Gas outlet assembly structure of hydrogen storage cylinder

Abstract

The application provides a hydrogen storage cylinder gas outlet assembly structure and belongs to the technical field of hydrogen storage cylinders. The hydrogen storage cylinder body is characterized in that a gas outlet is reserved on the hydrogen storage cylinder body, a conveying passage is arranged on the right side of the gas outlet, and the gas outlet and the conveying passage are connected through an assembly module. The application solves the problem that the assembly between the existing hydrogen storage cylinder gas outlet and the conveying passage is generally achieved through the cooperation of bolts and two discs to realize the butt joint between the hydrogen storage cylinder gas outlet and the conveying passage. During the conveying of hydrogen, the increased hydrogen pressure impulse may cause the overflow of hydrogen between the two discs, which not only causes the pollution of the surrounding environment, but also greatly reduces the safety and causes the damage of the two discs.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of hydrogen storage cylinders, and particularly relates to a hydrogen storage cylinder gas outlet assembly structure. BACKGROUND

[0002] A gas cylinder refers to a kind of movable pressure container with a bottle-shaped main structure and generally filled with gas (which can be compressed gas, liquefied gas, or dissolved and adsorbed gas). Gas cylinders are widely used in both production and life fields. A gas cylinder is a pressure-bearing equipment with explosive danger, and its filled medium generally has flammable, explosive, toxic, and strong corrosive properties. The use environment is more complex and harsh than other pressure containers due to its mobility, repeated filling, non-fixed operation and use personnel, and changing use environment. A hydrogen storage cylinder is a common type of gas cylinder, which is mainly used for hydrogen storage.

[0003] The existing assembly between the hydrogen storage cylinder gas outlet and the conveying passage is generally achieved by cooperation of a bolt and two discs to realize the butt joint between the hydrogen storage cylinder gas outlet and the conveying passage. During hydrogen gas conveying, the increased hydrogen gas pressure impulse may cause hydrogen gas to overflow between the two discs, which not only causes pollution of the surrounding environment, but also greatly reduces safety and causes damage to the two discs. SUMMARY

[0004] The application provides a hydrogen storage cylinder gas outlet assembly structure, which aims to solve the problem that the existing assembly between the hydrogen storage cylinder gas outlet and the conveying passage is generally achieved by cooperation of a bolt and two discs to realize the butt joint between the hydrogen storage cylinder gas outlet and the conveying passage. During hydrogen gas conveying, the increased hydrogen gas pressure impulse may cause hydrogen gas to overflow between the two discs, which not only causes pollution of the surrounding environment, but also greatly reduces safety and causes damage to the two discs.

[0005] The application provides a hydrogen storage cylinder gas outlet assembly structure, which aims to solve the problem that the existing assembly between the hydrogen storage cylinder gas outlet and the conveying passage is generally achieved by cooperation of a bolt and two discs to realize the butt joint between the hydrogen storage cylinder gas outlet and the conveying passage. During hydrogen gas conveying, the increased hydrogen gas pressure impulse may cause hydrogen gas to overflow between the two discs, which not only causes pollution of the surrounding environment, but also greatly reduces safety and causes damage to the two discs.

[0006] The assembly module comprises a pair of cylinders, which are mirror images and face each other and are arranged between the gas outlet and the conveying passage, and each of the pair of cylinders is fixed to the end of the conveying passage and the gas outlet. The cylinder is provided with an assembly opening, which is a ring-shaped opening arranged on the wall surface of the cylinder close to the other cylinder, and after the pair of cylinders are assembled, the pair of assembly openings form a pressure impulse reducing chamber.

[0007] An anti-overflowing ring is arranged between the two cylinders and between the chamber for reducing the pressure impulse and the chamber for the delivery passage and the gas outlet, the anti-overflowing ring is connected with the two cylinders without any gap, a reducing port is reserved on the anti-overflowing ring, so that the chamber for reducing the pressure impulse and the chamber for the delivery passage and the gas outlet are connected with each other;

[0008] A pair of blocking rings are arranged, and the blocking rings are arranged on the left and right sides of the anti-overflowing ring, the blocking rings are movably connected with the outer circumferential surface of the delivery passage and the gas outlet and are located in the chamber for reducing the pressure impulse, one end of the blocking ring close to the anti-overflowing ring is provided with a blocking piece, and when the pressure impulse of hydrogen in the delivery passage and the gas outlet is normal, the blocking pieces of the pair of blocking rings are superimposed to block the reducing port;

[0009] A pressure impulse changing module is arranged on the anti-overflowing ring, and is arranged to change the corresponding blocking pieces of the pair of blocking rings to move away from each other when the hydrogen in the delivery passage and the gas outlet flows to cause the pressure impulse to rapidly increase, so that the hydrogen flows into the chamber for reducing the pressure impulse through the reducing port;

[0010] A backflow assembly includes a pair of backflow cylinders, the backflow cylinders are arranged on the left and right sides of the anti-overflowing ring, the backflow cylinders are movably connected with the outer circumferential surface of the delivery passage and the gas outlet and are located in the chamber for reducing the pressure impulse, the backflow cylinders are movably connected with the edge wall of the assembly port, the backflow cylinders are connected with the edge wall of the assembly port without any gap, the pair of backflow cylinders and the edge wall of the assembly port form a backflow chamber, a pair of spiral beryllium copper wires are arranged between the backflow cylinders, the spiral beryllium copper wires are used to store energy when the pair of backflow cylinders move away from each other to send a large amount of hydrogen into the backflow chamber, and the spiral beryllium copper wires drive the pair of backflow cylinders to move close to each other and press the hydrogen into the delivery passage and the gas outlet through the reducing port after the pressure impulse of the hydrogen in the delivery passage and the gas outlet is restored;

[0011] A backflow assembly is arranged to drive the pair of blocking rings to move close to each other after the pair of backflow cylinders move close to each other and press the hydrogen, so as to block the reducing port.

[0012] Further, the pressure impulse changing module includes a measuring port, a measuring piece and a linkage part, the measuring port is arranged on the inner surface of the anti-overflowing ring, the measuring piece is movably arranged in the measuring port in a direction perpendicular to the horizontal center line of the anti-overflowing ring, a spiral beryllium copper wire is arranged between the measuring piece and the anti-overflowing ring, and the hydrogen presses the measuring piece to move outward of the anti-overflowing ring when the pressure impulse of the hydrogen in the delivery passage and the gas outlet increases;

[0013] The linkage part is arranged to drive the blocking pieces of the pair of blocking rings to move away from the reducing port and connect the backflow chamber with the delivery passage and the gas outlet during the movement of the measuring piece to the outside.

[0014] Further, the linkage part comprises a vertical piece, a linkage rod and a pair of horizontal pieces, the linkage rod is arranged towards the direction perpendicular to the diameter of the anti-overflow ring, the linkage rod is screwed into the measuring port, and a plurality of tooth openings are equidistantly reserved on the outer circumferential surface of the linkage rod;

[0015] The vertical piece is arranged in the measuring port towards the horizontal center line perpendicular to the anti-overflow ring, one end of the vertical piece is fixedly connected to the measuring piece, and a plurality of tooth openings are equidistantly reserved on the surface of the vertical piece, the other end of the vertical piece is engaged with the linkage rod through tooth openings and tooth openings;

[0016] A pair of horizontal pieces are arranged vertically on both sides of the linkage rod, and a pair of horizontal pieces are arranged left and right, the horizontal pieces are movably arranged in the measuring port, a plurality of tooth openings are equidistantly reserved on the surface of the horizontal pieces, the horizontal pieces are engaged with the linkage rod through tooth openings and tooth openings, a plurality of top rods are arranged between the horizontal pieces and the blocking ring, a pair of top rods are arranged left and right, one end of the top rod is movably embedded in the horizontal piece, and the other end of the top rod is connected to the blocking ring through the anti-overflow ring;

[0017] The top rod and the horizontal piece are arranged with an oil pressure top rod, which is used to shorten the top rod gently, press a pair of blocking rings and make them away when the hydrogen pressure impulse in the delivery channel and the gas outlet is increased to make the measuring piece change rapidly, and the top rod and the horizontal piece are also arranged with a spiral beryllium copper wire four.

[0018] Further, the cylinder also reserves an anti-overflow port and a blocking port, the anti-overflow port is annular in structure, the anti-overflow port is reserved on one side of the assembly port close to the horizontal center line of the delivery channel and the gas outlet, the anti-overflow ring is arranged in the anti-overflow port, and the blocking port is an annular port between the assembly port and the anti-overflow port. The blocking ring is movably arranged in the blocking port.

[0019] Further, the return assembly comprises a circular ring, a spiral beryllium copper wire five, a cooperation part and a stop part;

[0020] A pair of circular rings are arranged, which are mirror images arranged on both sides of the anti-overflow ring, the circular ring can be movably clamped on the outer surface of the delivery channel and the gas outlet, and is located on the side farther from the anti-overflow ring of the reflux cylinder;

[0021] The spiral beryllium copper wire five is arranged between a pair of circular rings, and both ends are respectively fixedly connected to a pair of circular rings through the reflux cylinder;

[0022] The stop part is arranged in the chamber for reducing the pressing impulse, when a pair of reflux cylinders pull the circular rings away from each other to change to a predetermined position, the stop part stops the circular ring at the predetermined position, when a pair of reflux cylinders return to the original position, the stop part releases the circular ring to make a pair of circular rings change towards the anti-overflow ring under the action of the spiral beryllium copper wire five;

[0023] The cooperating part is provided in two sets, mirror-mounted in the chamber for reducing the pressure impulse, and includes several cooperating modules equally spaced toward the side of the cylinder. The cooperating module includes a concave opening, a variable piece, a combined piece, and a combined opening.

[0024] The concave opening is reserved on the cylinders on the left and right sides and is located between the blocking opening and the assembly opening. The concave opening is a through opening used to connect the blocking opening and the assembly opening.

[0025] The variable piece is fixed to the outer surface of the barrier ring and can be movably installed in the concave opening;

[0026] The combined port is reserved on the concave sidewall and includes a following part, a lifting part, and a returning part. The following part is arranged left and right. The lifting part is arranged towards the horizontal center line perpendicular to the conveying passage and the air outlet. The end closer to the horizontal center line of the conveying passage and the air outlet is connected to the end of the lifting part farther from the anti-overflow hoop. The returning part is arranged at an angle. One end is connected to the end of the lifting part farther from the horizontal center line of the conveying passage and the air outlet, and the other end is connected to the end of the following part closer to the anti-overflow hoop. The following part, the lifting part, and the returning part are combined into a polygonal structure.

[0027] The combined plate is installed in the concave opening and is connected to the end of the variable plate further away from the anti-overflow hoop. The combined plate is movably installed in the combined opening via a protrusion. A spiral beryllium copper wire is installed between the combined plate and the barrier ring. The spiral beryllium copper wire initially stores energy to allow the combined plate to contact the inner wall of the counterflow cylinder when the hydrogen pressure in the delivery path and outlet returns to normal. When the hydrogen pressure in the delivery path and outlet increases, causing the barrier ring to move away from the anti-overflow hoop, the combined plate, under the pressure of the variable plate, moves towards the assembly opening with the assistance of the stop mechanism of the counterflow cylinder. As the following part of the closure moves to the lifting part, and the hydrogen pressure in the conveying passage and the outlet returns to normal, and the pair of counterflow cylinders approach each other to their initial positions, allowing the counterflow cylinders to be free from the constraint of the assembly plate, the spiral beryllium copper wire moves the assembly plate towards the lifting part of the assembly port to the assembly port. This is used to allow the assembly plate to contact and connect with the end of the round hoop that is close to the counterflow cylinder while the round hoop is approaching the anti-overflow hoop from the predetermined position. Under the pressure of the round hoop, the assembly plate moves towards the return part of the assembly port to the initial position, and the assembly plate moves towards the anti-overflow hoop by pressing the barrier ring through the moving plate.

[0028] Furthermore, the stop part is provided in two sets, mirror-mounted in the chamber for reducing the pressure impulse, and includes a number of stop modules equally spaced toward the side of the cylinder. The stop module includes a stop piece and a stop strip.

[0029] The stop sheet is arranged outside the circular hoop and is movably arranged on the wall surface of the assembly opening in a direction perpendicular to the horizontal center line of the cylinder, a helical beryllium copper wire six is arranged between the stop sheet and the cylinder, the helical beryllium copper wire six is used to move the stop sheet towards the horizontal center line of the conveying passage and the air outlet, the circular hoop is stopped at a predetermined position, and the surface of the farther end of the stop sheet from the counterflow cylinder is slope one;

[0030] The stop strip is arranged left and right, the stop strip is movably arranged on the cylinder and is located outside the counterflow cylinder, the surface of the farther end of the stop strip from the counterflow cylinder is slope two, the surface of the farther end of the stop strip from the counterflow cylinder is slope two, the surface of the farther end of the stop strip from the counterflow cylinder is slope two, and the surface of the farther end of the stop strip from the counterflow cylinder is slope two.

[0031] The second clamping piece is arranged between the pair of counterflow cylinders; a helical beryllium copper wire three is arranged between the second clamping piece and the cylinder, and the helical beryllium copper wire three is used to move the stop strip to move the first clamping piece away from the stop sheet after the pair of counterflow cylinders are moved away from each other and separated from the second clamping piece.

[0032] Further, the surface of the stop sheet near one end of the circular hoop is slope three.

[0033] Further, a reciprocating strip one is arranged between the pair of counterflow cylinders, the reciprocating strip one is a hollow structure, the reciprocating strip one is connected to the outside of the helical beryllium copper wire two, a reciprocating strip two is arranged between the pair of circular hoops, the reciprocating strip two is a hollow structure, the reciprocating strip two is connected to the outside of the helical beryllium copper wire five, the reciprocating strip two is movably connected with the counterflow cylinder, and the reciprocating strip two is connected with the counterflow cylinder without gaps.

[0034] Further, the compression impulse changing module is arranged, and a plurality of compression impulse changing modules are arranged at intervals on the side of the anti-overflow hoop.

[0035] Further, a circular groove one is reserved on the cylinder, the circular groove one is a circular port reserved outside the assembly opening, and a circular sleeve made of silica gel is arranged in the circular groove one.

[0036] The beneficial effects of the present application are:

[0037] After the delivery passage and outlet of this invention are assembled, when the pressure impulse of hydrogen in the delivery passage and outlet is normal, the baffle ring blocks the relief port on the anti-overflow hoop. When the pressure impulse of hydrogen in the delivery passage and outlet increases, a pair of baffle rings pulls the corresponding baffle plates to move away from each other, allowing hydrogen to rush into the counterflow chamber through the relief port. Under the strong hydrogen pressure, the counterflow cylinders move away from each other, thereby reducing the increased hydrogen pressure in the delivery passage and outlet. When the hydrogen pressure returns to normal, the spiral beryllium copper wire pulls the pair of counterflow cylinders closer together and forces the hydrogen back into the delivery passage and outlet through the relief port. Under the action of the return component reset device, the pair of baffle rings move closer together to block the relief port, thereby reducing the violent pressure exerted by the hydrogen in the delivery passage and outlet on the assembled cylinder, preventing hydrogen from overflowing from between the cylinders, protecting the surrounding environment, improving safety, and preventing damage to the cylinder caused by hydrogen pressure.

[0038] Other features and advantages of the invention will be set forth in the following description, and will be apparent in part from the description, or may be learned by practicing the invention. The objects and other advantages of the invention may be realized and obtained by means of the structures particularly pointed out in the description and the drawings. Attached Figure Description

[0039] The accompanying drawings are provided to further illustrate the invention and form part of the specification. They are used together with the embodiments of the invention to explain the invention and do not constitute a limitation thereof. In the drawings:

[0040] Figure 1 This is a schematic diagram of the assembly structure of the air outlet and the conveying passage according to an embodiment of the present invention;

[0041] Figure 2 This is a schematic diagram of the assembly module structure according to an embodiment of the present invention;

[0042] Figure 3 This is a schematic diagram of the main structure of the assembly module according to an embodiment of the present invention;

[0043] Figure 4 This is an embodiment of the present invention. Figure 3 Schematic diagram of the cross-sectional structure at point MM;

[0044] Figure 5 This is a schematic diagram of the cylindrical structure according to an embodiment of the present invention;

[0045] Figure 6 This is an embodiment of the present invention. Figure 5 A magnified structural diagram at point H;

[0046] Figure 7 This is an embodiment of the present invention. Figure 4 A magnified structural diagram at point N;

[0047] Figure 8 Structure diagram of pressure impulse changing module of the embodiment of the present application;

[0048] Figure 9 Structure diagram of anti-overflow hoop and blocking ring of the embodiment of the present application;

[0049] Figure 10 Structure diagram of reverse flow cylinder and circular hoop of the embodiment of the present application;

[0050] Figure 11 Structure diagram of reverse flow cylinder and blocking ring of the embodiment of the present application when the pressure impulse of hydrogen in the hydrogen delivery channel and the gas outlet is increased;

[0051] Figure 12 Structure diagram of reverse flow cylinder and blocking ring of the embodiment of the present application when the pressure impulse of hydrogen in the hydrogen delivery channel and the gas outlet is decreased;

[0052] The reference signs are as follows: 1, hydrogen storage cylinder body; 2, gas outlet; 3, delivery channel; 4, assembly module; 41, cylinder; 411, assembly port; 412, annular groove one; 414, anti-overflow port; 415, blocking port; 42, anti-overflow hoop; 421, lightening port; 43, blocking ring; 431, blocking sheet; 44, pressure impulse changing module; 441, measurement port; 442, measurement sheet; 443, helical beryllium copper wire one; 4441, vertical sheet; 4442, linkage rod; 4443, horizontal sheet; 4444, top rod; 451, reverse flow cylinder; 452, helical beryllium copper wire two; 453, reciprocating strip one; 461, circular hoop; 463, reciprocating strip two; 4641, concave port; 4642, changing sheet; 4643, combination sheet; 4644, combination port; 4651, stop sheet; 4652, stop strip; 4653, buckling sheet one; 4654, buckling sheet two; 4655, helical beryllium copper wire three. DETAILED DESCRIPTION

[0053] In order to make the purpose, technical scheme and advantages of the technical scheme of the present application more clear, the technical scheme of the embodiment of the present application will be described clearly and completely in the following with reference to the drawings of the embodiment of the present application. The same reference signs in the drawings represent the same parts. It should be noted that the described embodiment is a part of the embodiment of the present application, rather than all the embodiments. Based on the described embodiment of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0054] REFERENCE Figures 1-12The embodiment of the present application provides a hydrogen storage cylinder outlet assembly structure, which comprises a hydrogen storage cylinder body 1, the hydrogen storage cylinder body 1 is reserved with an outlet 2, a conveying passage 3 is arranged on the right side of the outlet 2, and the outlet 2 is connected with the conveying passage 3 through an assembly module 4.

[0055] The assembly module 4 comprises a cylinder 41, a spill-proof hoop 42, a blocking ring 43, a pressure impulse changing module 44, a counterflow assembly and a return assembly.

[0056] The cylinder 41 is arranged in a pair, is mirror-imaged and is arranged face to face between the outlet 2 and the conveying passage 3, the pair of cylinders 41 are respectively fixed to the end of the conveying passage 3 and the outlet 2, the cylinder 41 is reserved with an assembly opening 411, the assembly opening 411 is a ring-shaped opening arranged on the wall surface of the cylinder 41 close to the other cylinder 41, and after the pair of cylinders 41 are assembled, the pair of assembly openings 411 form a pressure impulse reducing chamber.

[0057] The spill-proof hoop 42 is arranged between the pair of cylinders 41 and is located between the pressure impulse reducing chamber and the chamber of the conveying passage 3 and the outlet 2, the spill-proof hoop 42 is connected with the cylinder 41 without gaps, the spill-proof hoop 42 is reserved with a reducing opening 421, so that the pressure impulse reducing chamber and the conveying passage 3 and the outlet 2 are connected with each other.

[0058] The blocking ring 43 is arranged in a pair, the pair of blocking rings 43 are arranged on the left and right sides of the spill-proof hoop 42, the blocking ring 43 can be movably connected to the outer circumferential surface of the conveying passage 3 and the outlet 2 and is located in the pressure impulse reducing chamber, one end of the blocking ring 43 close to the spill-proof hoop 42 is arranged with a blocking piece 431, and when the hydrogen pressure impulse in the conveying passage 3 and the outlet 2 is normal, the blocking pieces 431 on the pair of blocking rings 43 are superposed to block the reducing opening 421.

[0059] The pressure impulse changing module 44 is arranged on the spill-proof hoop 42 and is arranged so that when the hydrogen surge in the conveying passage 3 and the outlet 2 rapidly increases the pressure impulse, the pair of blocking rings 43 pull the corresponding blocking pieces 431 to change to be away from each other, so that the hydrogen flows into the pressure impulse reducing chamber through the reducing opening 421.

[0060] The reverse flow assembly comprises a pair of reverse flow cylinders 451, which are movably connected to the outer circumferential surface of the delivery passage 3 and the gas outlet 2 and located in the chamber for reducing the pressure impulse, and movably connected to the side wall of the assembly opening 411 without any gap, and form the reverse flow chamber with the side wall of the assembly opening 411, and a pair of spiral beryllium copper wires 452 arranged between the reverse flow cylinders 451 for storing energy when the reverse flow cylinders 451 are away from each other and storing hydrogen gas in the reverse flow chamber, and for pulling the reverse flow cylinders 451 close to each other and forcing the hydrogen gas into the delivery passage 3 and the gas outlet 2 through the relief opening 421 after the pressure impulse of the hydrogen gas in the delivery passage 3 and the gas outlet 2 is restored.

[0061] The reset assembly is arranged to pull the pair of blocking rings 43 close to each other after the pair of reverse flow cylinders 451 are close to each other and force the hydrogen gas into the delivery passage 3 and the gas outlet 2, and then block the relief opening 421, and to block the relief opening 421 on the overflow prevention ring 42 when the pressure impulse of the hydrogen gas in the delivery passage 3 and the gas outlet 2 is normal, and to pull the corresponding blocking pieces 431 away from each other when the hydrogen gas surge causes the pressure impulse to rapidly increase, and then allow the hydrogen gas to quickly flow into the reverse flow chamber through the relief opening 421, and under the strong hydrogen pressure, the reverse flow cylinders 451 are away from each other to reduce the increased hydrogen pressure in the delivery passage 3 and the gas outlet 2, and after the hydrogen pressure impulse is restored, the spiral beryllium copper wires 452 pull the pair of reverse flow cylinders 451 close to each other and force the hydrogen gas into the delivery passage 3 and the gas outlet 2 through the relief opening 421, and under the action of the reset assembly, the pair of blocking rings 43 are close to each other to block the relief opening 421, reducing the violent compression of the hydrogen gas in the delivery passage 3 and the gas outlet 2 on the cylinder 41 at the assembly, and then preventing the increased pressure impulse from damaging the cylinder 41, and avoiding the overflow of hydrogen gas.

[0062] The pressure impulse variation module 44 comprises a measurement opening 441, a measurement piece 442, and a linkage transmission member, the measurement opening 441 is arranged on the inner surface of the overflow prevention ring 42, the measurement piece 442 is movably arranged in the measurement opening 441 towards the direction perpendicular to the horizontal center line of the overflow prevention ring 42, and the spiral beryllium copper wire 443 is arranged between the measurement piece 442 and the overflow prevention ring 42, and the hydrogen gas pressure impulse increases when the hydrogen gas pressure measurement piece 442 moves towards the outside of the overflow prevention ring 42.

[0063] The linkage part is arranged to pull the pair of blocking rings 43 away from the relief port 421 during the movement of the measurement sheet 442 towards the outside, so as to connect the backflow chamber, the delivery passage 3 and the gas outlet 2 with each other, and when the pressure impulse of hydrogen in the delivery passage 3 and the gas outlet 2 increases, the hydrogen presses the measurement sheet 442, so that the measurement sheet 442 moves rapidly towards the outside of the overflow prevention hoop 42, and the pair of blocking rings 43 are pulled away from each other through the linkage part, and then the relief port 421 is unfolded.

[0064] The linkage part comprises a vertical sheet 4441, a linkage rod 4442 and a pair of horizontal sheets 4443, the linkage rod 4442 is arranged perpendicular to the diameter direction of the overflow prevention hoop 42, the linkage rod 4442 is screwed in the measurement port 441, and a plurality of tooth ports one are equidistantly reserved on the outer circumferential surface of the linkage rod 4442.

[0065] The vertical sheet 4441 is arranged in the measurement port 441 perpendicular to the horizontal center line of the overflow prevention hoop 42, one end of the vertical sheet 4441 is fixedly connected to the measurement sheet 442, a plurality of tooth ports two are equidistantly reserved on the surface of the vertical sheet 4441, and the other end of the vertical sheet 4441 and the linkage rod 4442 are engaged with each other through the tooth ports two and the tooth ports one.

[0066] The pair of horizontal sheets 4443 are arranged vertically on both sides of the linkage rod 4442, the pair of horizontal sheets 4443 are arranged left and right, the horizontal sheets 4443 are movably arranged in the measurement port 441, a plurality of tooth ports three are equidistantly reserved on the surface of the horizontal sheets 4443, the horizontal sheets 4443 and the linkage rod 4442 are engaged with each other through the tooth ports three and the tooth ports one, the horizontal sheets 4443 and the blocking rings 43 are arranged with a plurality of jacks 4444, the pair of jacks 4444 are arranged left and right, one end of the jacks 4444 is movably embedded in the horizontal sheets 4443, and the other end of the jacks 4444 is connected with the blocking rings 43 through the overflow prevention hoop 42.

[0067] The top rod 4444 is provided with an oil pressure top rod between the cross piece 4443, which is used to make the top rod 4444 shorten gently when the hydrogen pressure impulse in the conveying passage 3 and the gas outlet 2 is increased and the measuring piece 442 moves rapidly, and to press 1 pair of blocking rings 43 and make them move away. The top rod 4444 and the cross piece 4443 are also provided with four spiral beryllium copper wires, which are used to make the top rod 4444 and the blocking ring 43 maintain contact and connection when the hydrogen pressure impulse in the conveying passage 3 and the gas outlet 2 is normal, and the measuring piece 442 pulls the vertical piece 4441 to move rapidly towards the outside of the overflow prevention hoop 42. The vertical piece 4441 pulls the linkage rod 4442 to rotate, and the linkage rod 4442 pulls 1 pair of cross pieces 4443 to move away from each other rapidly. Due to the blocking effect of the top rod 4444, the speed at which 1 pair of cross pieces 4443 move away from each other is much greater than the speed at which the top rod 4444 moves into the cross piece 4443. The top rod 4444 makes 1 pair of blocking rings 43 pull the blocking piece 431 to move away from each other, and expands the relief port 421, so that the hydrogen is squeezed between 1 pair of counterflow cylinders 451 under the increased gas pressure.

[0068] The cylinder 41 is also provided with an overflow prevention port 414 and a blocking port 415. The overflow prevention port 414 is annular in structure and is provided on one side of the assembly port 411 close to the horizontal center line of the conveying passage 3 and the gas outlet 2. The overflow prevention hoop 42 is arranged in the overflow prevention port 414. The blocking port 415 is an annular port located between the assembly port 411 and the overflow prevention port 414. The blocking ring 43 is movably arranged in the blocking port 415, thereby blocking the overflow prevention hoop 42.

[0069] The return assembly includes a circular hoop 461, a spiral beryllium copper wire five, a cooperation part and a stop part.

[0070] The circular hoop 461 is arranged in 1 pair and is mirror arranged on the left and right sides of the overflow prevention hoop 42. The circular hoop 461 can be movably clamped on the outer surface of the conveying passage 3 and the gas outlet 2, and is located on the side farther away from the overflow prevention hoop 42.

[0071] The spiral beryllium copper wire five is arranged between 1 pair of circular hoops 461, and the two ends are respectively connected with 1 pair of circular hoops 461 after passing through the counterflow cylinder 451.

[0072] The stop part is arranged in the relief pressure impulse chamber. When 1 pair of counterflow cylinders 451 pull the circular hoops 461 to move away from each other to a predetermined position, the stop part makes the circular hoops 461 stop at the predetermined position. When 1 pair of counterflow cylinders 451 return to the original position, the stop part releases the circular hoops 461 to move towards the overflow prevention hoop 42 under the action of the spiral beryllium copper wire five.

[0073] The cooperation part is provided with two groups, which are mirror images and are arranged in the chamber for reducing pressure impulse. The cooperation part comprises a plurality of cooperation modules arranged at intervals towards the side of the cylinder 41. The cooperation module comprises a concave port 4641, a variable plate 4642, a combination plate 4643 and a combination port 4644.

[0074] The concave port 4641 is reserved on the left and right cylinders 41 and is located between the blocking port 415 and the assembly port 411. The concave port 4641 is a through port for connecting the blocking port 415 and the assembly port 411.

[0075] The variable plate 4642 is fixedly connected to the outer surface of the blocking ring 43 and is movably arranged in the concave port 4641.

[0076] The combination port 4644 is reserved on the side wall of the concave port 4641 and comprises a following part, a lifting part and a return part. The following part is arranged on the left and right sides. The lifting part is arranged perpendicular to the horizontal center line of the conveying passage 3 and the air outlet 2. One end of the lifting part close to the horizontal center line of the conveying passage 3 and the air outlet 2 is connected to the other end of the lifting part far from the overflow ring 42. The return part is obliquely arranged. One end of the return part is connected to the other end of the lifting part far from the horizontal center line of the conveying passage 3 and the air outlet 2. The other end of the return part is connected to the end of the following part close to the overflow ring 42. The following part, the lifting part and the return part are combined into a three-sided structure.

[0077] The combination piece 4643 is installed in the concave mouth 4641 and is in contact with the end of the variable piece 4642 farther from the overflow rim 42. The combination piece 4643 is movably installed in the combination mouth 4644 via the tab. The combination piece 4643 is installed with the spiral beryllium copper wire five between the blocking ring 43. The spiral beryllium copper wire five is initially stored energy to make the combination piece 4643 in contact with the inner wall of the reverse flow cylinder 451 when the hydrogen pressure in the delivery passage 3 and the gas outlet 2 returns to normal. When the hydrogen pressure in the delivery passage 3 and the gas outlet 2 increases to make the blocking ring 43 move away from the overflow rim 42, the combination piece 4643 moves from the trailing part to the lifting part of the combination mouth 4644 under the pressure of the variable piece 4642 with the cooperation of the stop part of the reverse flow cylinder 451. When the hydrogen pressure in the delivery passage 3 and the gas outlet 2 returns to normal, and the reverse flow cylinders 451 approach each other to the initial position, the spiral beryllium copper wire five makes the combination piece 4643 move from the lifting part to the assembly mouth 411 of the combination mouth 4644. To make the combination piece 4643 in contact with the end of the circular rim 461 close to the reverse flow cylinder 451 during the circular rim 461 approaching the overflow rim 42 from the predetermined position, the combination piece 4643 moves from the reset part to the initial position of the combination mouth 4644 under the pressure of the circular rim 461, and the combination piece 4643 moves the blocking ring 43 away from the overflow rim 42 via the variable piece 4642, and then the blocking piece 431 and the blocking ring 43 return to the initial position to block the relief port 421.

[0078] The stop part is installed in two groups, which are mirror images installed in the chamber for reducing pressure impact, including a plurality of stop modules installed at equal intervals toward the side of the cylinder 41. The stop module includes a stop piece 4651 and a stop strip 4652.

[0079] The stop piece 4651 is installed outside the circular rim 461 and is movably installed on the wall of the assembly mouth 411 toward the horizontal center line direction perpendicular to the cylinder 41. The stop piece 4651 is installed with the spiral beryllium copper wire six between the cylinder 41 to make the stop piece 4651 move toward the horizontal center line of the delivery passage 3 and the gas outlet 2 to stop the circular rim 461 at the predetermined position. The surface of the end of the stop piece 4651 farther from the reverse flow cylinder 451 is a slope surface one.

[0080] The stopper 4652 is arranged on the cylinder 41 and is located outside the reverse flow cylinder 451. The stopper 4652 is arranged on the left and right sides of the stopper 4651 and extends towards the inside of the assembly opening 411 and is connected to the first clamping piece 4653. The first clamping piece 4653 is located on the side of the stopper 4651 that is farther away from the reverse flow cylinder 451. The surface of the first clamping piece 4653 that is close to the stopper 4651 is a slope surface 2. The other end of the stopper 4652 that is farther away from the stopper 4651 extends towards the inside of the assembly opening 411 and is connected to the second clamping piece 4654.

[0081] The second clamping piece 4654 is arranged between the two reverse flow cylinders 451. When the reverse flow cylinder 451 presses the stopper 4652 through the second clamping piece 4654, the first clamping piece 4653 is moved together to the initial position, the slope surface 1 is attached to the slope surface 2, the stopper 4651 is pulled away from the circular ring 461, and the circular ring 461 is released. The second clamping piece 4654 is connected to the third spiral beryllium copper wire 4655 between the cylinder 41. When the two reverse flow cylinders 451 are moved away from each other and separated from the second clamping piece 4654, the third spiral beryllium copper wire 4655 pulls the stopper 4652 to move the first clamping piece 4653 away from the stopper 4651, and then the stopper 4651 is released.

[0082] The surface of the stopper 4651 that is close to the circular ring 461 is a slope surface 3. When the reverse flow cylinder 451 presses the circular ring 461 to move to the initial position, the circular ring 461 moves against the stopper 4651.

[0083] A reciprocating strip 453 is arranged between the two reverse flow cylinders 451. The reciprocating strip 453 is a hollow structure and is connected to the outside of the second spiral beryllium copper wire 452. A reciprocating strip 463 is arranged between the two circular rings 461. The reciprocating strip 463 is a hollow structure and is connected to the outside of the fifth spiral beryllium copper wire. The reciprocating strip 463 is movably connected to the reverse flow cylinder 451 and is seamlessly connected to the reverse flow cylinder 451. When the pressure of the hydrogen in the delivery channel 3 and the gas outlet 2 returns to normal, the two reverse flow cylinders 451 are supported.

[0084] The pressure impulse changing module 44 is arranged on the edge of the overflow prevention ring 42. The cylinder 41 uniformly reduces the pressure impulse of the hydrogen.

[0085] A circular groove 412 is reserved on the cylinder 41. The circular groove 412 is a circular opening reserved outside the assembly opening 411. A silicone sleeve is arranged in the circular groove 412 to enhance the assembly overflow prevention function of the cylinder 41.

[0086] In the implementation, when the pressure of the hydrogen gas in the delivery passage 3 and the outlet 2 is normal, the blocking ring 43 blocks the relief port 421 on the spill-proof collar 42; when the pressure of the hydrogen gas in the delivery passage 3 and the outlet 2 is increased, the blocking ring 43 pulls the blocking piece 431 away from each other, and the hydrogen gas is rapidly discharged to the counter-flow chamber through the relief port 421; under the pressure of the hydrogen gas, the counter-flow cylinder 451 is pulled away from each other, and the pressure of the hydrogen gas in the delivery passage 3 and the outlet 2 is reduced; when the pressure of the hydrogen gas is normal, the spiral beryllium copper wire 452 pulls the counter-flow cylinder 451 to be close to each other, and the hydrogen gas is discharged to the delivery passage 3 and the outlet 2 through the relief port 421; and under the action of the return assembly, the blocking ring 43 is close to each other to block the relief port 421, and the hydrogen gas in the delivery passage 3 and the outlet 2 is reduced to reduce the strong pressure of the hydrogen gas on the cylinder 41.

[0087] When the pressure of the hydrogen gas in the delivery passage 3 and the outlet 2 is normal, the blocking ring 43 blocks the relief port 421 on the spill-proof collar 42; when the pressure of the hydrogen gas in the delivery passage 3 and the outlet 2 is increased, the hydrogen gas pressure measuring piece 442 pulls the vertical piece 4441 to move rapidly towards the outside of the spill-proof collar 42, the vertical piece 4441 pulls the linkage rod 4442 to rotate, the vertical piece 4441 pulls the linkage rod 4442 to rotate, the linkage rod 4442 pulls the horizontal piece 4443 to be away from each other, and the rate of the horizontal piece 4443 to be away from each other is far greater than the rate of the vertical piece 4441 to move towards the outside of the spill-proof collar 42, the vertical piece 4441 pulls the blocking piece 431 to be away from each other, the relief port 421 is opened, the hydrogen gas is discharged between the counter-flow cylinder 451 under the increased pressure, the counter-flow cylinder 451 is pulled away from each other, and the spiral beryllium copper wire 452 removes the pressure of the hydrogen gas on the cylinder 41 assembly area.

[0088] During the period when the pair of counterflow cylinders 451 are moved away from each other due to the pressure of the hydrogen gas, the hydrogen gas flows between the pair of counterflow cylinders 451, the counterflow cylinders 451 press the circular collar 461 to move away from the spill-proof collar 42, the counterflow cylinders 451 are separated from the clamping pieces two 4654, under the action of the helical beryllium copper wire three 4655, the stopper strip 4652 moves toward the direction away from the spill-proof collar 42, the clamping piece one 4653 is separated from the stopper piece 4651, the stopper piece 4651 is released, and then the stopper piece 4651 moves toward the horizontal center line of the delivery passage 3 and the gas outlet 2 under the cooperation of the helical beryllium copper wire six, when the counterflow cylinders 451 press the circular collar 461 to move to the predetermined position, the circular collar 461 abuts against the stopper piece 4651 and then moves through the stopper piece 4651, the helical beryllium copper wire six makes the stopper piece 4651 move again toward the horizontal center line of the delivery passage 3 and the gas outlet 2 to fasten the circular collar 461 and prevent it from moving toward the spill-proof collar 42, during the period when the top rod 4444 makes the pair of blocking rings 43 pull the blocking pieces 431 to move away from each other, the blocking pieces 431 can only move to the following part of the combination opening 4644 from the lifting part when the blocking pieces 431 move inside the combination piece 4643 in the concave opening 4641 by pressing the combination piece 4643 through the moving piece 4642 due to the restriction of the combination piece 4643 moving toward the chamber for reducing the pressure impulse by the counterflow cylinders 451;

[0089] With the reduction of the pressure impulse of the hydrogen gas in the delivery passage 3 and the gas outlet 2 to meet the requirements, the helical beryllium copper wire one 443 pulls the measuring piece 442 back to the original position, and the horizontal piece 4443 is returned to the original position, the top rod 4444 is in contact with the blocking ring 43 under the cooperation of the helical beryllium copper wire four, and the helical beryllium copper wire two 452 makes the pair of counterflow cylinders 451 approach each other to press the hydrogen gas in the counterflow chamber into the delivery passage 3 and the gas outlet 2 through the reducing opening 421, during this period, the circular collar 461 is not moved toward the spill-proof collar 42 by the stopper piece 4651, and the combination piece 4643 is moved away from the horizontal center line of the delivery passage 3 and the gas outlet 2 to the inside of the assembly opening 411 under the cooperation of the helical beryllium copper wire five when the counterflow cylinders 451 are separated from the combination piece 4643 during the period of moving toward the starting position;

[0090] When the reverse flow cylinder 451 returns to the initial position, the reverse flow cylinder 451 is again in contact with the second snap tab 4654, and via the second snap tab 4654, the stop strip 4652 is moved toward the position close to the overflow rim 42, during which, the stop strip 4652 pulls the first snap tab 4653 to move together, so that the first snap tab 4653 is in contact with the stop tab 4651, and under the cooperation of the slope surface one and the slope surface two, the stop tab 4651 is moved away from the circular rim 461 to release the circular rim 461, and then the pair of circular rims 461 are moved toward each other under the cooperation of the spiral beryllium copper wire five to approach the overflow rim 42;

[0091] When the circular rim 461 is moved to the position of the combination tab 4643, at this time, the combination tab 4643 is inserted into the fitting opening 411, then the circular rim 461 presses the combination tab 4643 to move along the return part of the combination opening 4644 to the initial position of the overflow rim 42, during which, the combination tab 4643 presses the blocking ring 43 to move toward the overflow rim 42 via the moving tab 4642, and then the blocking tab 431 and the blocking ring 43 return to the initial position to block the relief opening 421.

[0092] The above shows and describes the basic principles and main features of the present application and the advantages of the present application. It should be understood by those skilled in the art that the present application is not limited to the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only to illustrate the principles of the present application, and various changes and improvements can be made without departing from the spirit and scope of the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A hydrogen storage cylinder outlet assembly structure, comprising a hydrogen storage cylinder body (1), characterized in that, The hydrogen storage cylinder body (1) is provided with an outlet (2), and a conveying passage (3) is arranged on the right side of the outlet (2); the outlet (2) and the conveying passage (3) are connected through an assembly module (4); The assembly module (4) comprises a pair of cylinders (41) which are arranged in a mirror image and face each other between the outlet (2) and the conveying passage (3), and each of the pair of cylinders (41) is fixed to the end of the conveying passage (3) and the outlet (2); the cylinder (41) is provided with an assembly opening (411), which is a ring-shaped opening arranged on the wall surface of the cylinder (41) close to the other cylinder (41), and after the pair of cylinders (41) are assembled, the pair of assembly openings (411) form a pressure relief impulse chamber; An anti-overflow hoop (42) is arranged between the pair of cylinders (41) and located between the pressure relief impulse chamber and the chambers of the conveying passage (3) and the outlet (2); the anti-overflow hoop (42) is connected to the cylinder (41) without gaps, and the anti-overflow hoop (42) is provided with a pressure relief opening (421) to connect the pressure relief impulse chamber, the conveying passage (3) and the outlet (2) to each other; A pair of blocking rings (43) are arranged on the left and right sides of the anti-overflow hoop (42); the blocking ring (43) can be movably clamped on the outer circumferential surface of the conveying passage (3) and the outlet (2) and located in the pressure relief impulse chamber; the blocking ring (43) is provided with a blocking piece (431) at one end close to the anti-overflow hoop (42), and when the hydrogen pressure impulse in the conveying passage (3) and the outlet (2) is normal, the blocking pieces (431) on the pair of blocking rings (43) are superimposed to block the pressure relief opening (421); A pressure impulse change module (44) is arranged on the anti-overflow hoop (42) and arranged to change the pair of blocking rings (43) and the corresponding blocking pieces (431) to move away from each other when the hydrogen surge in the conveying passage (3) and the outlet (2) causes the pressure impulse to increase rapidly, so that the hydrogen flows into the pressure relief impulse chamber through the pressure relief opening (421). The countercurrent assembly comprises a pair of countercurrent cylinders (451), a pair of the countercurrent cylinders (451) are arranged on the left and right sides of the anti-overflow collar (42), the countercurrent cylinders (451) are movably connected to the outer circumferential surface of the conveying passage (3) and the gas outlet (2) and located in the chamber for reducing the pressure impulse, the countercurrent cylinders (451) are movably connected with the edge wall of the assembly opening (411), the countercurrent cylinders (451) are connected with the edge wall of the assembly opening (411) without gaps, a pair of the countercurrent cylinders (451) and the edge wall of the assembly opening (411) form the countercurrent chamber, a pair of the countercurrent cylinders (451) are arranged with spiral beryllium copper wire two (452) therebetween, which is used for storing energy when a pair of the countercurrent cylinders (451) are away from each other after a large amount of hydrogen gas is sent into the countercurrent chamber, and after the pressure impulse of the hydrogen gas in the conveying passage (3) and the gas outlet (2) is restored, the spiral beryllium copper wire two (452) pulls a pair of the countercurrent cylinders (451) close to each other and forces the hydrogen gas to the conveying passage (3) and the gas outlet (2) through the reducing opening (421); The reset assembly is arranged to pull a pair of the blocking rings (43) close to each other after a pair of the countercurrent cylinders (451) are close to each other and force the hydrogen gas to the conveying passage (3) and the gas outlet (2), and then block the reducing opening (421).

2. The hydrogen storage cylinder outlet assembly structure according to claim 1, characterized in that: The pressure impulse changing module (44) comprises a measuring opening (441), a measuring piece (442) and a linkage part, the measuring opening (441) is arranged on the inner surface of the anti-overflow collar (42), the measuring piece (442) is movably arranged in the measuring opening (441) towards the direction perpendicular to the horizontal center line of the anti-overflow collar (42), and the spiral beryllium copper wire one (443) is arranged between the measuring piece (442) and the anti-overflow collar (42), the hydrogen gas pressure measuring piece (442) moves towards the outside of the anti-overflow collar (42) when the pressure impulse of the hydrogen gas in the conveying passage (3) and the gas outlet (2) increases; The linkage part is arranged to pull the blocking piece (431) away from the reducing opening (421) when the measuring piece (442) moves towards the outside, so that the countercurrent chamber and the conveying passage (3) and the gas outlet (2) are connected with each other.

3. The hydrogen storage cylinder outlet assembly structure according to claim 2, characterized in that: The linkage part comprises a vertical piece (4441), a linkage rod (4442) and a pair of horizontal pieces (4443), the linkage rod (4442) is arranged towards the direction perpendicular to the diameter of the anti-overflow collar (42), the linkage rod (4442) is screwed into the measuring opening (441), and a plurality of tooth one are reserved on the outer circumferential surface of the linkage rod (4442) at equal intervals; The vertical piece (4441) is arranged in the measuring opening (441) towards the direction perpendicular to the horizontal center line of the anti-overflow collar (42), one end of the vertical piece (4441) is fixedly connected to the measuring piece (442), the surface of the vertical piece (4441) is reserved with a plurality of tooth two at equal intervals, and the other end of the vertical piece (4441) and the linkage rod (4442) are engaged with each other through the tooth two and the tooth one; 1A pair of said crosspieces (4443) are vertically arranged on both sides of the linkage rod (4442), and a pair of said crosspieces (4443) are horizontally arranged, said crosspieces (4443) are horizontally movable arranged in the measuring port (441), the surface of said crosspieces (4443) is equidistantly reserved with a plurality of tooth three, said crosspieces (4443) and the linkage rod (4442) are engaged with each other through tooth three and tooth one, said crosspieces (4443) and the blocking ring (43) are arranged with the top rod (4444), a pair of said top rods (4444) are horizontally arranged, one end of said top rod (4444) is movably connected in the crosspiece (4443), the other end of said top rod (4444) is connected with the blocking ring (43) through the anti-overflow ring (42); Said top rod (4444) and the crosspiece (4443) are arranged with an oil pressure top rod, which is used to shorten the top rod (4444) slowly when the hydrogen pressure impulse in the conveying passage (3) and the gas outlet (2) is increased to make the measuring piece (442) change rapidly, press a pair of blocking rings (43) and make them away, said top rod (4444) and the crosspiece (4443) are also arranged with a spiral beryllium copper wire four.

4. The hydrogen storage cylinder outlet assembly structure according to claim 3, characterized in that: Said cylinder (41) is also reserved with an anti-overflow port (414) and a blocking port (415), said anti-overflow port (414) is annular in structure, said anti-overflow port (414) is reserved on one side of the assembly port (411) close to the horizontal center line of the conveying passage (3) and the gas outlet (2), said anti-overflow ring (42) is arranged in the anti-overflow port (414), said blocking port (415) is an annular port between the assembly port (411) and the anti-overflow port (414), said blocking ring (43) is movably arranged in the blocking port (415).

5. The hydrogen storage cylinder outlet assembly structure according to claim 4, characterized in that: Said return assembly includes a circular ring (461), a spiral beryllium copper wire five, a cooperation part and a stop part; Said circular ring (461) is arranged with a pair of mirror image arranged on both sides of the anti-overflow ring (42), said circular ring (461) is movably connected to the outer surface of the conveying passage (3) and the gas outlet (2), and is located on the side farther away from the anti-overflow ring (42) of the reverse flow cylinder (451); Said spiral beryllium copper wire five is arranged between a pair of circular rings (461), and both ends are respectively connected with a pair of circular rings (461) through the reverse flow cylinder (451); Said stop part is arranged in the pressure impulse reducing chamber, when a pair of reverse flow cylinders (451) pull the circular rings (461) away from each other to a predetermined position, the stop part stops the circular rings (461) at the predetermined position, when a pair of reverse flow cylinders (451) return to the original position, the stop part releases the circular rings (461) to allow a pair of circular rings (461) to move towards the anti-overflow ring (42) under the action of the spiral beryllium copper wire five; Said cooperation part is arranged with two groups of mirror image arranged in the pressure impulse reducing chamber, including a plurality of cooperation modules equidistantly arranged towards the side of the cylinder (41), said cooperation module includes a concave port (4641), a moving piece (4642), a combination piece (4643) and a combination port (4644). The concave port (4641) is reserved on the left and right cylinders (41) and is located between the blocking port (415) and the assembly port (411). The concave port (4641) is a through port for connecting the blocking port (415) and the assembly port (411); The variable piece (4642) is fixedly connected to the outer surface of the blocking ring (43) and is movably arranged in the concave port (4641); The combined port (4644) is reserved on the side wall of the concave port (4641) and comprises a following part, a lifting part and a return part. The following part is arranged left and right. The lifting part is arranged towards the horizontal center line perpendicular to the conveying passage (3) and the gas outlet (2). One end of the lifting part close to the horizontal center line of the conveying passage (3) and the gas outlet (2) is connected to the other end of the lifting part far from the overflow ring (42). The return part is arranged obliquely. One end of the return part is connected to the other end of the lifting part far from the horizontal center line of the conveying passage (3) and the gas outlet (2). The other end of the return part is connected to the end of the following part close to the overflow ring (42). The following part, the lifting part and the return part form a three-sided frame structure. The combined piece (4643) is arranged in the concave port (4641) and is in contact with the other end of the variable piece (4642) far from the overflow ring (42). The combined piece (4643) is movably arranged in the combined port (4644) through the tab. The combined piece (4643) and the blocking ring (43) are arranged with a spiral beryllium copper wire five. The spiral beryllium copper wire five is initially stored energy, used to make the combined piece (4643) in contact with the inner wall of the reverse flow cylinder (451) when the hydrogen pressure in the conveying passage (3) and the gas outlet (2) returns to normal. When the hydrogen pressure in the conveying passage (3) and the gas outlet (2) increases to make the blocking ring (43) move away from the overflow ring (42), the combined piece (4643) moves from the following part to the lifting part of the combined port (4644) under the cooperation of the stop of the reverse flow cylinder (451) and the pressure of the variable piece (4642). When the hydrogen pressure in the conveying passage (3) and the gas outlet (2) returns to normal, and one pair of reverse flow cylinders (451) are close to the initial position, the spiral beryllium copper wire five makes the combined piece (4643) move from the lifting part of the combined port (4644) to the assembly port (411), used to make the combined piece (4643) in contact with one end of the circular ring (461) close to the reverse flow cylinder (451) during the circular ring (461) approaching the overflow ring (42) from the predetermined position. Under the pressure of the circular ring (461), the combined piece (4643) moves from the return part of the combined port (4644) to the initial position, and the combined piece (4643) moves the blocking ring (43) towards the overflow ring (42) through the variable piece (4642).

6. The hydrogen storage cylinder outlet assembly structure according to claim 5, characterized in that: The stop part is provided with two groups, which are mirror arranged in the chamber for reducing the pressure impulse, and contains a plurality of stop modules arranged at intervals towards the side of the cylinder (41), the stop module contains a stop sheet (4651) and a stop strip (4652); The stop sheet (4651) is arranged outside the circular hoop (461), and is movably arranged on the wall of the assembly opening (411) towards the horizontal center line direction perpendicular to the cylinder (41), the stop sheet (4651) and the cylinder (41) are arranged with helical beryllium copper wire six, which is used to move the stop sheet (4651) towards the horizontal center line of the conveying passage (3) and the gas outlet (2), and stop the circular hoop (461) at a predetermined position, the surface of the stop sheet (4651) far from the reverse flow cylinder (451) is slope one; The stop strip (4652) is arranged left and right, the stop strip (4652) is movably arranged on the cylinder (41) and located outside the reverse flow cylinder (451), the head of the stop strip (4652) close to the stop sheet (4651) extends towards the inside of the assembly opening (411) and connects the first clamping sheet (4653), and the first clamping sheet (4653) is located on the side of the stop sheet (4651) far from the reverse flow cylinder (451), the surface of the first clamping sheet (4653) close to the stop sheet (4651) is slope two, the head of the stop strip (4652) far from the stop sheet (4651) extends towards the inside of the assembly opening (411) and connects the second clamping sheet (4654); The second clamping sheet (4654) is arranged between the pair of reverse flow cylinders (451); the second clamping sheet (4654) and the cylinder (41) are arranged with helical beryllium copper wire three (4655), which is used to move the pair of reverse flow cylinders (451) away from each other and separate from the second clamping sheet (4654), and then pull the stop strip (4652) to move the first clamping sheet (4653) away from the stop sheet (4651) by the helical beryllium copper wire three (4655).

7. The hydrogen storage cylinder outlet assembly structure according to claim 6, characterized in that: The surface of the stop sheet (4651) close to the head of the circular hoop (461) is slope three.

8. The hydrogen storage cylinder outlet assembly structure according to claim 6, characterized in that: A pair of the reverse flow cylinders (451) are arranged with reciprocating strip one (453), the reciprocating strip one (453) is a hollow structure, the reciprocating strip one (453) is connected outside the helical beryllium copper wire two (452), a pair of the circular hoop (461) are arranged with reciprocating strip two (463), the reciprocating strip two (463) is a hollow structure, the reciprocating strip two (463) is connected outside the helical beryllium copper wire five, the reciprocating strip two (463) and the reverse flow cylinder (451) are movably connected, and the reciprocating strip two (463) and the reverse flow cylinder (451) are connected without gap.

9. The hydrogen storage cylinder outlet assembly structure according to claim 1, characterized in that: The pressure impulse changing module (44) is arranged with a plurality of, and a plurality of the pressure impulse changing module (44) is arranged at intervals on the side of the overflow prevention hoop (42).

10. The hydrogen storage cylinder outlet assembly structure according to claim 1, characterized in that: The cylinder (41) is reserved with a circle-shaped groove (412), the circle-shaped groove (412) is a circle-shaped mouth reserved outside the assembling mouth (411), and the silicone material round sleeve is arranged in the circle-shaped groove (412).

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