CN115875598A - Hydrogen storage cylinder gas outlet assembling structure - Google Patents

Abstract

The invention provides a hydrogen storage cylinder gas outlet assembly structure, which belongs to the technical field of hydrogen storage cylinders and comprises a hydrogen storage cylinder body. The invention solves the problems that the butt joint between the gas outlet of the hydrogen storage cylinder and the conveying passage is generally achieved through the cooperation of bolts and 2 discs in the conventional assembly between the gas outlet of the hydrogen storage cylinder and the conveying passage, and during the conveying of hydrogen, the increased hydrogen compression impulse can cause the overflow of the hydrogen from the 2 discs, so that the pollution to the surrounding environment is caused, the safety is greatly reduced, and the 2 discs are damaged.

Description

Hydrogen storage cylinder gas outlet assembly structure

Technical Field

The invention belongs to the technical field of hydrogen storage cylinders, and particularly relates to an assembly structure of a hydrogen storage cylinder gas outlet.

Background

The gas cylinder is a movable pressure container with a main body structure in a bottle shape and generally filled with gas (such as compressed gas, liquefied gas, dissolved and adsorbed gas and the like). The gas cylinder is widely applied, and the gas cylinder can be almost not opened in the production field and the living field. The gas cylinder is a pressure-bearing device, has explosion hazard, and its holding medium generally has nature such as inflammable, explosive, poisonous, strong corruption, and the service environment is because of its characteristics that remove, repeated filling, operation user is unfixed and service environment changes again, and is more complicated, abominable than other pressure vessels. A hydrogen storage cylinder is also a common type of cylinder, which is mainly used for storage of hydrogen.

The assembly between current hydrogen storage cylinder gas outlet and transfer passage reaches the butt joint between hydrogen storage cylinder gas outlet and the transfer passage through the cooperation of bolt and 2 discs generally, and during the transport of hydrogen, the hydrogen oppression impulse that increases probably causes hydrogen to spill over from 2 discs within a definite time, not only can cause the pollution of surrounding environment, and the security also greatly reduced can cause the damage of 2 discs moreover.

Disclosure of Invention

The invention provides an assembly structure of a hydrogen storage cylinder gas outlet, which aims to solve the problems that the butt joint between the hydrogen storage cylinder gas outlet and a conveying passage is generally achieved through the cooperation of bolts and 2 discs in the assembly of the existing hydrogen storage cylinder gas outlet and the conveying passage, and during the conveying of hydrogen, the increased hydrogen compression impulse possibly causes the overflow of the hydrogen from the 2 discs, so that the pollution to the surrounding environment is caused, the safety is greatly reduced, and the 2 discs are damaged.

The embodiment of the invention provides a hydrogen storage cylinder gas outlet assembly structure, which comprises a hydrogen storage cylinder body and 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 is connected with the conveying passage through an assembly module;

the assembly module includes: the cylinder, install 1 pair, the mirror image of left and right sides and face to face and locate between air outlet and transport route, 1 pair of said cylinders are fixed to transport route end and air outlet separately, reserve the assembly mouth on the said cylinder, the said assembly mouth is installed and close to the ring-shaped mouth on another 1 cylinder wall surfaces of cylinder, and after 1 pair of cylinders are assembled each other, 1 pair of assembly mouth forms a cavity to lighten the impulse of oppression;

the anti-overflow hoop is arranged between 1 pair of cylinders and positioned between a chamber for reducing the pressing impulse and a chamber of the conveying passage and the air outlet, the anti-overflow hoop is connected with the cylinders in a seamless manner, a reducing opening is reserved on the anti-overflow hoop, and then the chamber for reducing the pressing impulse is communicated with the conveying passage and the air outlet;

the anti-overflow device comprises 1 pair of blocking rings, wherein 1 pair of blocking rings are arranged on the left side and the right side of an anti-overflow hoop, the blocking rings can be movably hooped on the outer peripheral surfaces of a conveying passage and an air outlet in a left-right mode and are positioned in a chamber for reducing the compression impulse, one end, close to the anti-overflow hoop, of each blocking ring is provided with a blocking sheet, and when the hydrogen compression impulse in the conveying passage and the air outlet is normal, the 1 pair of blocking sheets on the blocking rings are mutually overlapped to block a reducing opening;

the compression impulse change module is arranged on the anti-overflow hoop and is used for leading 1 pair of separation rings to pull corresponding separation sheets to deviate and change each other when the hydrogen surge in the conveying passage and the gas outlet increases the compression impulse rapidly, and then leading the hydrogen to surge to a chamber for reducing the compression impulse through the lightening port;

the counter-flow assembly comprises 1 pair of counter-flow cylinders, wherein 1 pair of counter-flow cylinders are arranged on the left side and the right side of the anti-overflow hoop, can be movably hooped on the outer peripheral surfaces of the conveying passage and the air outlet in a left-right mode and are positioned in a chamber for reducing the pressing impulse, the counter-flow cylinders are movably connected with the side wall of the assembly opening, the counter-flow cylinders are connected with the side wall of the assembly opening in a seamless mode, 1 pair of counter-flow cylinders and the side wall of the assembly opening form a counter-flow chamber, 1 pair of counter-flow cylinders are provided with a second spiral beryllium copper wire, and the second spiral beryllium copper wire is used for conveying hydrogen into the counter-flow chamber in a large batch mode to store energy when the 1 pair of counter-flow cylinders deviate from each other, and after the pressing impulse of the hydrogen in the conveying passage and the air outlet is recovered, the second spiral beryllium copper wire pulls the 1 pair of counter-flow cylinders to approach each other and presses the hydrogen into the conveying passage and the air outlet through the reducing opening;

and the return assembly is arranged to draw 1 pair of blocking rings to approach each other after 1 pair of counter-flow cylinders approach each other and press the hydrogen to the conveying passage and the gas outlet, so as to reduce the blocking of the opening.

Furthermore, the pressing impulse variation module comprises a measuring port, a measuring sheet and a linkage part, wherein the measuring port is arranged on the inner surface of the anti-overflow hoop, the measuring sheet is movably arranged in the measuring port towards the direction vertical to the horizontal central line of the anti-overflow hoop, a spiral beryllium copper wire I is arranged between the measuring sheet and the anti-overflow hoop, and the hydrogen presses the measuring sheet to vary towards the outside of the anti-overflow hoop when the hydrogen pressing impulse is increased in the conveying passage and the air outlet;

the linkage part is arranged in a way that 1 pair of separation rings pull the separation sheet to separate from the lightening opening during the period that the measuring sheet moves towards the outside, and the counterflow chamber is communicated with the conveying channel and the air outlet.

Furthermore, the linkage part comprises a vertical sheet, a linkage rod and 1 pair of transverse sheets, the linkage rod is arranged towards the direction vertical to the diameter direction of the anti-overflow hoop, the linkage rod is rotatably connected in the measuring port, and a plurality of tooth openings I are reserved on the outer peripheral surface of the linkage rod at equal intervals;

the vertical sheet is arranged in the measuring opening towards a horizontal center line vertical to the anti-overflow hoop, one end of the vertical sheet is fixedly connected to the measuring sheet, a plurality of tooth openings II are reserved on the surface of the vertical sheet at equal intervals, and the other end of the vertical sheet and the linkage rod are meshed with the tooth openings I through the tooth openings II;

the device comprises a transverse sheet, a linkage rod, a transverse sheet, a top rod, an anti-overflow hoop, a transverse sheet and a blocking ring, wherein 1 pair of the transverse sheet is arranged at two vertical sides of the linkage rod, 1 pair of the transverse sheet is arranged at the left and right sides of the transverse sheet, the transverse sheet can be movably arranged in a measuring opening in the left and right directions, a plurality of tooth mouths III are reserved on the surface of the transverse sheet at equal intervals, the transverse sheet and the linkage rod are mutually occluded with a tooth mouth I through the tooth mouths III, the top rod is arranged between the transverse sheet and the blocking ring, 1 pair of the top rods are arranged at the left and right sides of the top rod, one end of the top rod can be movably embedded in the transverse sheet, and the other end of the top rod is contacted and connected with the blocking ring after penetrating through the anti-overflow hoop;

an oil pressure ejector rod is arranged between the ejector rod and the transverse sheet and used for enabling the ejector rod to be gradually shortened when the hydrogen pressing impulse in the conveying passage and the air outlet is increased to enable the measuring sheet to be rapidly changed, and pressing 1 pair of the blocking rings to be deviated, and a spiral beryllium copper wire IV is further arranged between the ejector rod and the transverse sheet.

Further, still reserve anti-overflow mouth and separation mouth on the drum, anti-overflow mouth is the circle form framework, the anti-overflow mouth is reserved on the assembly opening and is close the one side of transfer passage and gas outlet horizontal center line, the anti-overflow hoop is installed in anti-overflow mouth, the separation mouth is the circle form mouth that is located between assembly opening and anti-overflow mouth, the separation circle is portable to be installed in the separation mouth.

Further, the return assembly comprises a circular hoop, a spiral beryllium copper wire, a cooperation part and a stop part;

the circular hoops are provided with 1 pair, mirror images are arranged on the left side and the right side of the anti-overflow hoop, the circular hoops can move left and right and are hooped on the outer surfaces of the conveying passage and the air outlet and are positioned on one side of the counter-flow cylinder, which is farther away from the anti-overflow hoop;

the spiral beryllium copper wire V is arranged between 1 pair of circular hoops, and two ends of the spiral beryllium copper wire V are fixedly connected with 1 pair of circular hoops respectively after penetrating through the countercurrent cylinder;

the stop part is arranged in the chamber for reducing the pressing impulse, when the 1 pair of counter-flow cylinders pull the circular hoops to deviate from each other and change to a preset direction, the stop part stops the circular hoops at the preset direction, and when the 1 pair of counter-flow cylinders return to the original direction, the stop part loosens the circular hoops to allow the 1 pair of circular hoops to change towards the anti-overflow hoops under the action of the spiral beryllium copper wire;

the cooperation part is provided with 2 groups, the mirror images are arranged in a cavity for reducing the compression impulse, the cooperation part comprises a plurality of cooperation modules which are arranged towards the side of the cylinder at equal intervals, and the cooperation modules comprise concave openings, variable sheets, combination sheets and combination openings;

the concave opening is reserved on the cylinders at the left side and the right side and is positioned between the blocking opening and the assembling opening, and the concave opening is a through opening and is used for communicating the blocking opening with the assembling opening;

the variable sheet is fixedly connected to the outer surface of the barrier ring and movably arranged in the concave opening;

the combined opening is reserved on the side wall of the concave opening and comprises a following part, a lifting part and a returning part, the following part is arranged on the left and right sides, the lifting part is arranged towards the horizontal central line perpendicular to the conveying passage and the air outlet, one end of the lifting part close to the horizontal central line of the conveying passage and the air outlet is communicated with one end of the lifting part farther from the anti-overflow hoop, the returning part is arranged in a skew mode, one end of the returning part is communicated with one end of the lifting part farther from the conveying passage and the horizontal central line of the air outlet, the other end of the returning part is communicated with one end of the following part close to the anti-overflow hoop, and the following part, the lifting part and the returning part are combined into an edge-shaped framework;

the combination piece is movably arranged in the combination opening through a protruding piece, a spiral beryllium copper wire five is arranged between the combination piece and the separation ring, the spiral beryllium copper wire five is used for storing energy when starting, the combination piece is in contact with the inner wall surface of the backflow cylinder when the hydrogen pressure in the conveying passage and the gas outlet returns to normal, the hydrogen pressure in the conveying passage and the gas outlet is increased, the separation ring deviates from the backflow prevention ring, the combination piece is enabled to move to a lifting part towards a lifting part of the combination opening under the pressure of the change piece under the cooperation of a stop position of the backflow cylinder when the hydrogen pressure in the conveying passage and the gas outlet returns to normal, and 1 pair of backflow cylinders approach to the starting orientation mutually, the backflow cylinder is not limited by the combination piece, the spiral beryllium copper wire five enables the combination piece to move to the assembly opening towards a lifting part of the combination opening when the hydrogen pressure in the conveying passage and the gas outlet returns to normal, the spiral beryllium copper piece approaches the lifting part of the combination piece to the starting orientation when the backflow cylinder, the combination piece approaches the anti-overflow combination piece and the combination piece is connected with the circular hoop when the combination piece approaches the lifting part of the backflow direction, and the combination piece moves towards the return direction of the separation ring under the separation ring, and the combination piece is enabled to move towards the lifting part of the anti-overflow prevention ring.

Furthermore, the stop part is provided with 2 groups, is arranged in a cavity for reducing the pressing impulse in a mirror image mode, and comprises a plurality of stop modules which are arranged towards the side of the cylinder at equal intervals, and each stop module comprises a stop sheet and a stop strip;

the stop piece is arranged outside the circular hoop and movably arranged on the wall surface of the assembling port towards the direction vertical to the horizontal central line of the cylinder, a spiral beryllium copper wire six is arranged between the stop piece and the cylinder and used for enabling the stop piece to move towards the horizontal central line of the conveying passage and the air outlet and enabling the circular hoop to stop at a preset position, and the surface of one end, farther away from the backflow cylinder, of the stop piece is a slope surface I;

the stop strip is arranged left and right, the stop strip can move left and right and is arranged on the cylinder and positioned outside the countercurrent cylinder, one end of the stop strip close to the stop sheet extends towards the inside of the assembling opening and is connected with the buckling sheet I, the buckling sheet I is positioned on one side of the stop sheet far away from the countercurrent cylinder, the surface of one end of the buckling sheet I close to the stop sheet is a slope II, and one end of the stop strip far away from the stop sheet extends towards the inside of the assembling opening and is connected with the buckling sheet II;

the buckling and connecting piece II is arranged between 1 pair of counter flow cylinders; and a third spiral beryllium copper wire is arranged between the second buckling piece and the cylinder and used for leading the third spiral beryllium copper wire to pull the stop strip and lead the first buckling piece to deviate from the stop strip to change after the 1 pair of counter-flow cylinders deviate from each other and are separated from the second buckling piece.

Furthermore, the surface of the stop piece close to one end of the round hoop is a third slope.

Furthermore, a first reciprocating bar is arranged between 1 pair of the countercurrent cylinders, the first reciprocating bar is of a hollow framework and is connected to the outer portion of a second spiral beryllium copper wire in a hooped mode, a second reciprocating bar is arranged between 1 pair of the circular hoops, the second reciprocating bar is of a hollow framework and is connected to the outer portion of a fifth spiral beryllium copper wire in a hooped mode, the second reciprocating bar is movably connected with the countercurrent cylinders, and the second reciprocating bar is connected with the countercurrent cylinders in a gapless mode.

Furthermore, a plurality of pressing impulse changing modules are installed, and a plurality of pressing impulse changing modules are installed on the side of the anti-overflow hoop at equal intervals.

Furthermore, a first ring-shaped groove is reserved on the cylinder, a first ring-shaped opening is reserved outside the assembling opening, and a round sleeve made of silica gel is arranged in the first ring-shaped groove.

The invention has the beneficial effects that:

after the conveying passage and the gas outlet are assembled, when the pressing impulse of hydrogen in the conveying passage and the gas outlet is normal, the blocking ring blocks a lightening hole on the anti-overflow hoop, when the pressing impulse of the hydrogen in the conveying passage and the gas outlet is increased, 1 pair of blocking rings pull corresponding blocking sheets to deviate from each other and change, the hydrogen rapidly flows into a reverse flow chamber through the lightening hole, reverse flow cylinders deviate from each other and change under strong hydrogen pressing, and then the increased hydrogen pressing in the conveying passage and the gas outlet is lightened, after the hydrogen pressing is recovered to be normal, a spiral copper-beryllium copper wire is used for dragging 1 to approach the reverse flow cylinders to each other and pressing the hydrogen into the conveying passage and the gas outlet through the lightening hole, and under the action of a resetting device of a resetting component, the 1 pair of blocking rings approach each other to block the lightening hole, so that the violent pressing of the hydrogen in the conveying passage and the gas outlet on the cylinders at the assembling position is lightened, the hydrogen is prevented from overflowing from the cylinders, the surrounding environment is protected, the safety is improved, and the hydrogen damage caused by the pressing of the cylinders is prevented.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description and drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic view of an assembly structure of an air outlet and a conveying passage according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of an assembly module according to an embodiment of the present invention;

FIG. 3 is a schematic front view of an assembly module according to an embodiment of the present invention;

FIG. 4 is a schematic cross-sectional view at M-M of FIG. 3 according to an embodiment of the present invention;

FIG. 5 is a schematic view of a cylinder structure according to an embodiment of the present invention;

FIG. 6 is an enlarged schematic view of FIG. 5 at H according to an embodiment of the present invention;

FIG. 7 is an enlarged structural view of the embodiment of the present invention shown in FIG. 4 at the point N;

FIG. 8 is a schematic structural diagram of a pressing impulse variation module according to an embodiment of the present invention;

FIG. 9 is a schematic view of the structure of the anti-overflow hoop and the blocking ring according to the embodiment of the present invention;

FIG. 10 is a schematic view of a reverse flow cartridge and a circular hoop according to an embodiment of the present invention;

FIG. 11 is a schematic structural view of the reverse flow cylinder and the blocking ring according to the embodiment of the present invention when the hydrogen gas increases the hydrogen gas pressure impulse in the delivery passage and the gas outlet;

FIG. 12 is a schematic structural view of the reverse flow cylinder and the blocking ring after the hydrogen gas makes the pressing impulse of the hydrogen gas in the conveying passage and the gas outlet smaller according to the embodiment of the present invention;

reference numerals: 1. a hydrogen storage cylinder body; 2. an air outlet; 3. a conveyance path; 4. assembling the module; 41. a cylinder; 411. an assembly port; 412. a first ring-shaped groove; 414. an overflow prevention port; 415. blocking the port; 42. an anti-overflow hoop; 421. relieving the mouth; 43. a barrier ring; 431. a barrier sheet; 44. a compression impulse change module; 441. a measuring port; 442. measuring the sheet; 443. a first spiral beryllium copper wire; 4441. a vertical sheet; 4442. a linkage rod; 4443. transverse sheets; 4444. a top rod; 451. a reverse flow barrel; 452. a second spiral beryllium copper wire; 453. a first reciprocating bar; 461. a circular hoop; 463. a second reciprocating bar; 4641. a concave opening; 4642. a variable plate; 4643. assembling the sheets; 4644. a combination port; 4651. a stop sheet; 4652. a stop strip; 4653. buckling the sheet I; 4654. a second buckling sheet; 4655. and a third spiral beryllium copper wire.

Detailed Description

In order to make the objects, technical solutions and advantages of the technical solutions of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of specific embodiments of the present invention. Like reference symbols in the various drawings indicate like elements. It should be noted that the described embodiments are part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention without inventive step, are within the scope of protection of the invention.

Referring to fig. 1 to 12, an embodiment of the present invention provides an assembly structure for a gas outlet of a hydrogen storage cylinder, including a hydrogen storage cylinder body 1, a gas outlet 2 reserved on the hydrogen storage cylinder body 1, a conveying passage 3 arranged on the right side of the gas outlet 2, and a mounting module 4 connecting the gas outlet 2 and the conveying passage 3.

The assembly module 4 comprises a cylinder 41, a spill guard 42, a barrier ring 43, a compression stroke module 44, a reverse flow assembly and a return assembly.

The cylinders 41 are provided with 1 pair, are arranged between the air outlet 2 and the conveying passage 3 in a mirror image manner at the left and right, and face to face manner, the 1 pair of cylinders 41 are respectively fixedly connected at the end part of the conveying passage 3 and the air outlet 2, the cylinders 41 are provided with assembling ports 411, the assembling ports 411 are ring-shaped ports arranged on the wall surfaces of the cylinders 41 close to the other 1 pair of cylinders 41, and after the 1 pair of cylinders 41 are assembled with each other, the 1 pair of assembling ports 411 form a chamber for relieving the pressing impulse.

The hoop spill prevention 42 is installed between 1 pair of cylinders 41 and between the pressure impulse reducing chamber and the delivery path 3 and the air outlet 2 chamber, the hoop spill prevention 42 is connected to the cylinders 41 without a gap, and the hoop spill prevention 42 is provided with a pressure impulse reducing opening 421, so that the pressure impulse reducing chamber and the delivery path 3 and the air outlet 2 are communicated with each other.

The blocking rings 43 are arranged in 1 pair, 1 pair of the blocking rings 43 are arranged at the left and right sides of the anti-overflow hoop 42, the blocking rings 43 can be movably hooped on the outer peripheral surfaces of the conveying passage 3 and the air outlet 2 in the left and right directions and are positioned in a cavity for reducing the pressing impulse, a blocking sheet 431 is arranged at one end of the blocking ring 43 close to the anti-overflow hoop 42, and when the hydrogen pressing impulse in the conveying passage 3 and the air outlet 2 is normal, the blocking sheets 431 on the 1 pair of the blocking rings 43 are superposed with each other to block the reducing opening 421.

The pressing impulse change module 44 is installed on the anti-overflow hoop 42, and is installed to make 1 pair of blocking rings 43 pull the corresponding blocking sheets 431 away from each other to change when the hydrogen rushes in the conveying passage 3 and the gas outlet 2 to increase the pressing impulse rapidly, and then make the hydrogen rushes into the chamber for reducing the pressing impulse through the reducing port 421.

The counterflow assembly comprises 1 pair of counterflow cylinders 451,1 pair of counterflow cylinders 451 installed on the left and right sides of the overflow preventing band 42, the counterflow cylinders 451 can be movably hooked on the outer peripheral surface of the conveying passage 3 and the gas outlet 2 in the left and right directions and located in a chamber for reducing the pressing impulse, the counterflow cylinders 451 are movably connected with the side wall of the assembly opening 411, the counterflow cylinders 451 are connected with the side wall of the assembly opening 411 without gaps, 1 pair of counterflow cylinders 451 and the side wall of the assembly opening 411 form a counterflow chamber, 1 pair of counterflow cylinders 451 are provided with a spiral beryllium copper wire 452 for feeding hydrogen into the counterflow chamber in bulk to store energy when the 1 pair of counterflow cylinders 451 are separated from each other, after the pressing impulse of the hydrogen in the conveying passage 3 and the gas outlet 2 is recovered, the spiral beryllium copper wire 452 pulls the 1 pair of counterflow cylinders 451 to approach each other and presses the hydrogen to the conveying passage 3 and the gas outlet 2 through the reducing impulse.

The returning assembly is arranged to draw 1 the blocking rings 43 to approach each other and then block the lightening openings 421 after 1 pair of the reverse flow cylinders 451 approach each other and press hydrogen to the conveying path 3 and the gas outlet 2, the blocking rings 43 block the lightening openings 421 on the spill prevention band 42 when the pressing momentum of hydrogen in the conveying path 3 and the gas outlet 2 is normal, the 1 pair of the blocking rings 43 draw the corresponding blocking pieces 431 to separate from each other when the pressing momentum of hydrogen in the conveying path 3 and the gas outlet 2 increases rapidly, then hydrogen flows rapidly into the reverse flow chamber through the lightening openings 421, the reverse flow cylinders 451 separate from each other under strong hydrogen pressure to relieve the increased hydrogen pressure in the conveying path 3 and the gas outlet 2, the two 452 spiral copper wires draw 1 the reverse flow cylinders 451 to approach each other and press hydrogen to the conveying path 3 and the gas outlet 2 through the lightening openings 421 after the hydrogen pressing momentum is recovered, and the 1 pair of the blocking rings 43 approach each other to block the lightening openings 421 after the hydrogen pressing momentum is recovered, thus the hydrogen pressing to the assembled cylinders 41 at the conveying path 3 and the gas outlet 2 is reduced, and the hydrogen pressing force is prevented from damaging.

The pressing impulse variation module 44 includes a measurement port 441, a measurement piece 442 and a transmission member of a linkage part, the measurement port 441 is installed on the inner surface of the spill-proof hoop 42, the measurement piece 442 is movably installed in the measurement port 441 in the direction perpendicular to the horizontal center line of the spill-proof hoop 42, a spiral beryllium copper wire 443 is installed between the measurement piece 442 and the spill-proof hoop 42, and the hydrogen pressing measurement piece 442 is varied toward the outside of the spill-proof hoop 42 when the hydrogen pressing impulse is increased in the transportation path 3 and the gas outlet 2.

The interlocking portion is provided so that while the measurement piece 442 moves outward, the 1 pair of the blocking rings 43 pull the blocking piece 431 away from the relief opening 421 to allow the counterflow chamber to communicate with the transport passage 3 and the gas outlet 2, and when the pressing momentum of the hydrogen gas in the transport passage 3 and the gas outlet 2 increases, the hydrogen gas presses the measurement piece 442 to move the measurement piece 442 rapidly toward the outside of the spill prevention band 42, and the 1 pair of the blocking rings 43 pull the blocking piece 431 away from each other via the interlocking portion to expand the relief opening 421.

The interlocking part comprises a vertical piece 4441, an interlocking rod 4442 and 1 pair of transverse pieces 4443, the interlocking rod 4442 is arranged in a direction perpendicular to the diameter direction of the spill-proof hoop 42, the interlocking rod 4442 is screwed in the measuring port 441, and a plurality of tooth mouths I are reserved on the outer peripheral surface of the interlocking rod 4442 at equal intervals.

The riser 4441 is arranged in the measuring port 441 towards a horizontal center line which is vertical to the anti-overflow hoop 42, one end of the riser 4441 is fixedly connected with the measuring piece 442, a plurality of tooth mouths II are reserved on the surface of the riser 4441 at equal intervals, and the other end of the riser 4441 and the linkage rod 4442 are engaged with each other through the tooth mouths II and the tooth mouths I.

The device comprises a linkage rod 4442, a cross piece 4443, a plurality of transverse pieces 4443, a plurality of ejector pins 4444, a plurality of ejector rods 4444, an anti-overflow hoop 42 and a plurality of ejector rods 4444, wherein the cross piece 4443 is arranged on two vertical sides of the linkage rod 4442, the pair of cross pieces 4443 are arranged on the left and right sides of the linkage rod 4442, the cross piece 4443 can be movably arranged in the measuring opening 441 in the left and right directions, a plurality of tooth openings III are reserved on the surface of the cross piece 4443 at equal intervals, the cross piece 4443 and the linkage rod 4442 are meshed with the tooth openings I through the tooth openings III, an ejector rod 4444 is arranged between the cross piece 4443 and the anti-overflow hoop 43, the ejector rod 4444 is arranged on the left and right sides of the ejector rod 4444 in a movable embedded mode, and the other end of the ejector rod 4444 is connected with the anti-overflow hoop 43 in a contact mode.

An oil pressure push rod is arranged between the push rod 4444 and the cross piece 4443, and is used for gently shortening the push rod 4444 and pressing 1 pair of barrier rings 43 to separate when the hydrogen pressing impulse in the conveying passage 3 and the air outlet 2 is increased to rapidly change the measuring piece 442, a spiral beryllium copper wire is further arranged between the push rod 4444 and the cross piece 4443 and is used for enabling the push rod 4444 to be in contact connection with the barrier rings 43 when the hydrogen pressing impulse in the conveying passage 3 and the air outlet 2 is normal, the measuring piece 442 pulls the vertical piece 4441 to rapidly change towards the outside of the anti-overflow hoop 42, the vertical piece 4441 pulls the linkage rod 4442 to rotate, the linkage rod 4442 pulls 1 pair of cross pieces 4443 to rapidly change away from each other, the rate of the 1 pair of cross pieces 4443 to separate from each other is far greater than the rate of the push rod 4444 to move into the cross piece 4443 due to the blocking effect of the push rod 4444, the push rod 4444 pulls 1 pair of cross pieces 43 to separate from each other to change the barrier pieces 431 to change the barrier pieces 431 to reduce the opening 421, and the hydrogen is pressed to 1 pair of the expanding cylinder 451 when the reverse flow is increased.

The barrel 41 is also reserved with an overflow preventing opening 414 and a blocking opening 415, the overflow preventing opening 414 is in a ring-shaped structure, the overflow preventing opening 414 is reserved on one side of the assembly opening 411 close to the horizontal center line of the conveying passage 3 and the air outlet 2, the overflow preventing hoop 42 is arranged in the overflow preventing opening 414, the blocking opening 415 is a ring-shaped opening between the assembly opening 411 and the overflow preventing opening 414, and the blocking ring 43 can be movably arranged in the blocking opening 415 to block the overflow preventing hoop 42.

The return component comprises a circular hoop 461, a spiral beryllium copper wire five, a cooperation part and a stop part.

The circular hoops 461 are installed in 1 pair, and are installed at the left and right sides of the anti-overflow hoop 42 in a mirror image manner, and the circular hoops 461 can move left and right to hoop the outer surfaces of the conveying passage 3 and the air outlet 2 and are located at the side of the reverse flow cylinder 451 farther from the anti-overflow hoop 42.

The spiral beryllium-copper wire five is arranged between 1 pair of circular hoops 461, and two ends of the spiral beryllium-copper wire five are fixedly connected with 1 pair of circular hoops 461 after penetrating through the counter flow barrel 451.

The stopper is installed in a chamber for reducing the pressing momentum, and when the 1 pair of reverse flow cylinders 451 pull the circular hoops 461 to move away from each other to a predetermined orientation, the stopper allows the circular hoops 461 to be stopped at the predetermined orientation, and when the 1 pair of reverse flow cylinders 451 return to the original orientation, the stopper releases the circular hoops 461 to allow the 1 pair of circular hoops 461 to move toward the anti-overflow hoops 42 under the action of the spiral beryllium copper wire five.

The cooperating parts are provided with 2 groups, mirror images are arranged in the chamber for reducing the pressing impulse, and comprise a plurality of cooperating modules which are arranged towards the side of the cylinder 41 at equal intervals, and the cooperating modules comprise a concave opening 4641, a variable sheet 4642, a combined sheet 4643 and a combined opening 4644.

A concave 4641 is reserved between the blocking 415 and the fitting 411 on the left and right cylinders 41, and the concave 4641 is a through opening for connecting the blocking 415 and the fitting 411.

A variable plate 4642 is attached to the outer surface of the spacer ring 43 and is movably disposed in the recess 4641.

The combined opening 4644 is reserved on the side wall of the concave opening 4641 and comprises a following part, a lifting part and a returning part, the following part is arranged on the left and the right, the lifting part is arranged towards the horizontal center line perpendicular to 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 communicated with one end of the lifting part farther from the anti-overflow hoop 42, the returning part is arranged askew, one end of the returning part is communicated with one end of the lifting part farther from the conveying passage 3 and the horizontal center line of the air outlet 2, the other end of the returning part is communicated with one end of the following part close to the anti-overflow hoop 42, and the following part, the lifting part and the returning part are combined into a 3-edge structure.

The combination sheet 4643 is installed in the concave-shaped opening 4641 and is connected with the end of the variable sheet 4642 farther from the anti-overflow hoop 42 in a contacting manner, the combination sheet 4643 is movably installed in the combination opening 4644 through a protruding sheet, a spiral beryllium-copper wire is installed between the combination sheet 4643 and the blocking ring 43, and the spiral beryllium-copper wire stores energy at the beginning, and is used for contacting and connecting the combination sheet 4643 with the inner wall surface of the reverse flow barrel 451 when the hydrogen pressure in the conveying passage 3 and the gas outlet 2 returns to normal, and when the hydrogen pressure in the conveying passage 3 and the gas outlet 2 increases and the blocking ring 43 deviates from the anti-overflow hoop 42 and changes, under the stop cooperation of the reverse flow barrel 451, the combination sheet 4643 changes to a lifting part towards the following part of the combination opening 4644 under the pressure of the variable sheet 4642, when the hydrogen pressure in the conveying path 3 and the gas outlet 2 is returned to normal, and when the counter flow cylinders 451 are moved toward each other to the starting orientation by 1 pair of counter flow cylinders 451, and the counter flow cylinders 451 are not restricted by the combination pieces 4643, the spiral beryllium-copper wire five allows the combination pieces 4643 to move toward the raised portion of the combination port 4644 to the fitting port 411, for allowing the combination pieces 4643 to be in contact connection with one end of the circular hoop 461, which is close to the counter flow cylinder 451, while the circular hoop 461 is moved toward the spill prevention hoop 42 from the predetermined orientation, and allowing the combination pieces 4643 to move toward the return portion of the combination port 4644 to the starting orientation under the pressure of the circular hoop 461, and allowing the combination pieces 4643 to press the blocking ring 43 toward the spill prevention hoop 42 via the moving piece 4642, and then allowing the blocking piece 431 and the blocking ring 43 to return to the starting orientation, for blocking the mouth 421 reduction.

The stop portion is provided with 2 groups, is arranged in a cavity for reducing the pressing impulse in a mirror image mode, and comprises a plurality of stop modules which are arranged towards the side of the cylinder 41 at equal intervals, and each stop module comprises a stop sheet 4651 and a stop strip 4652.

The stop piece 4651 is installed outside the circular hoop 461 and movably installed on the wall surface of the mounting opening 411 towards the direction perpendicular to the horizontal center line of the cylinder 41, a spiral beryllium copper wire six is installed between the stop piece 4651 and the cylinder 41 for moving the stop piece 4651 towards the horizontal center line of the conveying path 3 and the air outlet 2, the circular hoop 461 is stopped at a predetermined orientation, and the surface of the stop piece 4651 at the farther end from the reverse flow cylinder 451 is a slope surface I.

The stop strip 4652 is arranged left and right, the stop strip 4652 can be installed on the cylinder 41 in a left-right moving mode and is located outside the reverse flow barrel 451, one end of the stop strip 4652 close to the stop piece 4651 extends towards the inner side of the assembling opening 411 and is connected with the first buckling piece 4653, the first buckling piece 4653 is located on one side of the stop piece 4651 farther away from the reverse flow barrel 451, the surface of the first buckling piece 4653 close to the end of the stop piece 4651 is a slope surface two, and one end of the stop strip 4652 farther away from the stop piece 4651 extends towards the inner side of the assembling opening 411 and is connected with the second buckling piece 4654.

The second buckling piece 4654 is arranged between the 1 pair of reverse flow cylinders 451 and is used for pressing the stop strip 4652 by the second buckling piece 4654 in the reverse flow cylinders 451, and the first traction buckling piece 4653 is changed to the initial orientation together, so that the slope surface is attached to the second slope surface, the stop strip 4651 is fastened after the traction stop strip 4651 deviates from the circular hoop 461, and the circular hoop 461 is unfastened, and the spiral beryllium copper wire three 4655 is arranged between the second buckling piece 4654 and the cylinder 41 and is used for allowing the spiral beryllium copper wire three 4655 to pull the stop strip 4652 to change the first buckling piece 4653 deviates from the stop strip 4651 and further unfastens the stop strip 4651 after the 1 pair of reverse flow cylinders 451 deviate from each other and are separated from the second buckling piece 4654.

The surface of the stop 4651 near one end of the circular hoop 461 is a third slope surface, which is used to move the circular hoop 461 against the stop 4651 when the reverse flow barrel 451 presses the circular hoop 461 to the initial position.

A first reciprocating bar 453 is arranged between 1 pair of counter flow cylinders 451, the first reciprocating bar 453 is a hollow structure, the first reciprocating bar 453 is hooped outside a second spiral beryllium copper wire 452, a second reciprocating bar 463 is arranged between 1 pair of circular hoops 461, the second reciprocating bar 463 is a hollow structure, the second reciprocating bar 463 is hooped outside a fifth spiral beryllium copper wire, the second reciprocating bar 463 is movably connected with the counter flow cylinders 451, and the second reciprocating bar 463 is seamlessly connected with the counter flow cylinders 451 and is used for bearing the 1 pair of counter flow cylinders 451 when the hydrogen pressure in a conveying passage 3 and an air outlet 2 is recovered to normal.

The pressing impulse varying modules 44 are installed in a plurality of numbers, and the sub-pressing impulse varying modules 44 are installed at equal intervals at the side of the anti-overflow hoop 42, so that the cylinder 41 can uniformly reduce the pressing impulse of the hydrogen gas.

A first annular groove 412 is reserved on the cylinder 41, the first annular groove 412 is a first annular opening reserved outside the assembling opening 411, and a circular sleeve made of silica gel is arranged in the first annular groove 412, so that the anti-overflow function of the assembly between the cylinders 41 is enhanced.

The implementation mode is specifically as follows: during operation, when the pressing impulse of hydrogen in the conveying passage 3 and the gas outlet 2 is normal, the blocking ring 43 blocks the lightening opening 421 on the anti-overflow hoop 42, when the pressing impulse of hydrogen in the conveying passage 3 and the gas outlet 2 is increased, 1 pair of blocking rings 43 pull the corresponding blocking sheets 431 to separate and change, hydrogen quickly flows into the reverse flow chamber through the lightening opening 421, the reverse flow cylinders 451 separate and change under strong hydrogen pressing, then the increased hydrogen pressing in the conveying passage 3 and the gas outlet 2 is lightened, after the hydrogen pressing is recovered to be normal, the two beryllium copper wires 452 draw the 1 pair of reverse flow cylinders 451 to approach each other and press the hydrogen into the conveying passage 3 and the gas outlet 2 through the lightening opening 421, and under the action of the return assembly, the 1 pair of blocking rings 43 approach each other to block the lightening opening 421, so that the violent pressing of hydrogen in the conveying passage 3 and the gas outlet 2 on the cylinder 41 at the assembly position is lightened;

when the hydrogen pressing impulse in the conveying passage 3 and the gas outlet 2 returns to normal, the blocking ring 43 blocks the lightening opening 421 on the anti-overflow hoop 42; when the hydrogen surging in the conveying passage 3 and the air outlet 2 increases the pressing impact quantity rapidly, the hydrogen presses the measuring sheet 442, the measuring sheet 442 pulls the vertical sheet 4441 to rapidly change towards the outside of the anti-overflow hoop 42, the vertical sheet 4441 pulls the linkage rod 4442 to rotate, the linkage rod 4442 pulls 1 pair of transverse sheets 4443 to rapidly depart from each other, due to the blocking effect of the ejector rod 4444, the rate of the 1 pair of transverse sheets 4443 departing from each other is far larger than the rate of the ejector rod 4444 moving into the transverse sheet 4443, the ejector rod 4444 leads 1 pair of blocking rings 43 to pull the blocking sheets 431 to depart from each other and change, the lightening opening 421 is unfolded, the hydrogen is squeezed between 1 pair of cylinders 451 under the increased reverse flow pressure, leads 1 pair of cylinders 451 to depart from each other and change, and removes the pressing of the assembling area of the cylinders 41 by the hydrogen under the effect of the spiral beryllium copper wire 452;

when the hydrogen pressure presses the 1 pair of reverse flow barrels 451 to deviate from each other, the hydrogen flows between the 1 pair of reverse flow barrels 451, the reverse flow barrels 451 press the circular hoops 461 to deviate from the anti-overflow hoop 42 together, the reverse flow barrels 451 and the locking piece two 4654 are separated from each other, the locking strip 4652 moves towards the direction departing from the anti-overflow hoop 42 under the action of the spiral beryllium copper wire three 4655, the locking piece first 4653 and the locking piece 4651 are separated from each other, the locking piece 4651 unlocks, the locking piece 4651 makes the locking piece 4651 move towards the direction of the horizontal center line of the conveying passage 3 and the air outlet 2 under the cooperation of the spiral beryllium copper wire six, when the reverse flow barrels 451 press the circular hoops 461 to move to a preset direction, the circular hoops 461 abut against the locking piece 4651 to move and pass through the locking piece 4651, the locking piece 4651 makes the locking piece 4651 move towards the direction of the horizontal center line of the conveying passage 3 and the air outlet 2, so as to fasten the circular hoops 461 and inhibit it move towards the circular hoops 42, when the push rod 4444 pulls the combined wall surfaces of the 1 pair of reverse flow barrels 43 to deviate from each other, the combined walls, the combined blocking rings 43, the combined blocking piece 4643 can reduce the change of the reverse flow-preventing the combined lifting piece 4643 and the combined movement of the anti-overflow barrel 4642 and the combined lifting piece 4643, and the combined movement of the anti-overflow barrel 4643, and the anti-overflow barrel 4643 can move towards the reverse flow barrel 4643;

when the pressing impulse of the hydrogen in the conveying passage 3 and the gas outlet 2 is reduced to meet the requirement, the first spiral beryllium copper wire 443 pulls the measuring piece 442 to return to the original position, the cross piece 4443 returns to the original position, the top rod 4444 makes the top rod 4444 and the blocking ring 43 be in contact with each other under the cooperation of the fourth spiral beryllium copper wire, and the second spiral beryllium copper wire 452 makes 1 pair of backflow cylinders 451 approach each other to press the hydrogen in the backflow chamber into the conveying passage 3 and the gas outlet 2 through the lightening port 421, during which, due to the fastening of the stop piece 4651 to the circular hoop 461, the different backflow cylinders 451 of the circular hoop 461 are changed towards the anti-overflow hoop 42, and during the change of the backflow cylinder 451 towards the initial orientation, the backflow cylinder is separated from the combination piece 4643, so that one end of the combination piece 4643 departing from the horizontal central line of the conveying passage 3 and the gas outlet 2 under the cooperation of the fifth spiral beryllium copper wire is changed into the assembling port 411;

when the reverse flow barrel 451 returns to the starting position, the reverse flow barrel 451 is in contact connection with the second fastening piece 4654, and the stop strip 4652 moves towards the position close to the anti-overflow hoop 42 through the second fastening piece 4654, during which, the stop strip 4652 pulls the first fastening piece 4653 to move together to connect the first fastening piece 4653 with the stop strip 4651, and under the cooperation of the first slope surface and the second slope surface, the stop strip 4651 moves away from the circular hoop 461 to unlock the circular hoop 461, and then 1 pair of circular hoops 461 moves towards the anti-overflow hoop 42 under the cooperation of the five spiral beryllium copper wires;

when the circular ring 461 is moved to the orientation of the combination piece 4643, and thus the combination piece 4643 is inserted into the fitting opening 411, the circular ring 461 presses the combination piece 4643 to move to the initial orientation along the return portion of the combination opening 4644 toward the spill prevention band 42, during which the combination piece 4643 presses the blocking ring 43 to move toward the spill prevention band 42 via the movement piece 4642, and then the blocking piece 431 and the blocking ring 43 are returned to the initial orientation to block the relief opening 421.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, and such changes and modifications are within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (10)

1. A hydrogen storage cylinder gas outlet assembly structure comprises a hydrogen storage cylinder body (1), and is characterized in that a gas outlet (2) is reserved on the hydrogen storage cylinder body (1), a conveying passage (3) is arranged on the right side of the gas outlet (2), and the gas outlet (2) is connected with the conveying passage (3) through an assembly module (4);

the assembly module (4) comprises: the cylinder (41) is provided with 1 pair of cylinders which are arranged between the air outlet (2) and the conveying passage (3) in a left-right mirror image manner and face-to-face manner, 1 pair of cylinders (41) are respectively fixedly connected with the end part of the conveying passage (3) and the air outlet (2), an assembly opening (411) is reserved on each cylinder (41), the assembly opening (411) is a ring-shaped opening which is arranged on the cylinder (41) and is close to the wall surface of the other 1 cylinder (41), and after the 1 pair of cylinders (41) are assembled with each other, the 1 pair of assembly openings (411) form a chamber for reducing the compression impulse;

the anti-overflow hoop (42) is arranged between 1 pair of cylinders (41) and is positioned between a cavity for reducing the pressing impulse and the cavities of the conveying passage (3) and the air outlet (2), the anti-overflow hoop (42) is connected with the cylinders (41) without a gap, a reducing opening (421) is reserved on the anti-overflow hoop (42), and then the cavity for reducing the pressing impulse is communicated with the conveying passage (3) and the air outlet (2);

the anti-overflow device comprises 1 pair of blocking rings (43), wherein 1 pair of blocking rings (43) are arranged at the left side and the right side of an anti-overflow hoop (42), the blocking rings (43) can be hooped on the outer peripheral surfaces of a conveying passage (3) and an air outlet (2) in a movable mode in the left and right directions and are positioned in a chamber for reducing pressing impulse, a blocking sheet (431) is arranged at one end, close to the anti-overflow hoop (42), of the blocking rings (43), and when the hydrogen pressing impulse in the conveying passage (3) and the air outlet (2) is normal, the blocking sheets (431) on the 1 pair of blocking rings (43) are overlapped with each other to block the lightening opening (421);

a pressing impulse change module (44) arranged on the anti-overflow hoop (42) and used for leading 1 pair of separation rings (43) to pull corresponding separation sheets (431) to deviate and change when the hydrogen surging in the conveying passage (3) and the gas outlet (2) leads the pressing impulse to be rapidly increased, and then leading the hydrogen to surge into a chamber for reducing the pressing impulse through a lightening port (421);

a counter flow assembly comprising 1 pair of counter flow tubes (451), 1 pair of counter flow tubes (451) installed on the left and right sides of the anti-overflow hoop (42), the counter flow tubes (451) being capable of being movably hooped on the outer peripheral surfaces of the delivery path (3) and the gas outlet (2) in the left and right directions and located in the chamber for reducing the pressing momentum, the counter flow tubes (451) being movably connected with the side wall of the assembly opening (411), the counter flow tubes (451) being connected with the side wall of the assembly opening (411) without a gap, 1 pair of counter flow tubes (451) and the side wall of the assembly opening (411) forming a counter flow chamber, 1 pair of counter flow tubes (451) being installed with a spiral beryllium copper wire two (452) therebetween for feeding hydrogen gas into the counter flow chamber in bulk to cause the 1 pair of counter flow tubes (451) to deviate from each other for storing energy, and after the pressing momentum of hydrogen gas in the delivery path (3) and the gas outlet (2) is restored, the spiral beryllium copper wire (452) draws the 1 pair of counter flow tubes (451) to approach each other and presses the hydrogen gas to the delivery path (421) and the delivery path (2);

and a returning assembly arranged to draw 1 pair of the blocking rings (43) to approach each other and block the lightening hole (421) after 1 pair of the counterflow cylinders (451) approach each other and press the hydrogen gas to the conveying path (3) and the gas outlet (2).

2. A hydrogen storage cylinder gas outlet port fitting structure according to claim 1, characterized in that: the pressing impulse variation module (44) comprises a measuring opening (441), a measuring sheet (442) and a linkage part, wherein the measuring opening (441) is arranged on the inner surface of the anti-overflow hoop (42), the measuring sheet (442) is movably arranged in the measuring opening (441) towards the direction vertical to the horizontal central line of the anti-overflow hoop (42), a spiral beryllium copper wire (443) is arranged between the measuring sheet (442) and the anti-overflow hoop (42), and the hydrogen pressing measuring sheet (442) varies towards the outside of the anti-overflow hoop (42) when the hydrogen pressing impulse is increased in the conveying passage (3) and the gas outlet (2);

the interlocking part is arranged in such a way that 1 pair of blocking rings (43) pull the blocking sheet (431) to separate from the lightening opening (421) while the measuring sheet (442) moves towards the outside, and the reverse flow chamber is communicated with the conveying passage (3) and the air outlet (2).

3. A hydrogen storage cylinder gas outlet port fitting structure according to claim 2, characterized in that: the linkage part comprises vertical pieces (4441), a linkage rod (4442) and 1 pair of transverse pieces (4443), the linkage rod (4442) is arranged in a direction perpendicular to the diameter direction of the anti-overflow hoop (42), the linkage rod (4442) is connected in the measuring opening (441) in a rotating mode, and a plurality of tooth openings I are reserved on the outer peripheral surface of the linkage rod (4442) at equal intervals;

the vertical piece (4441) is arranged in the measuring port (441) towards a horizontal center line perpendicular to the anti-overflow hoop (42), one end of the vertical piece (4441) is fixedly connected to the measuring piece (442), a plurality of tooth openings II are reserved on the surface of the vertical piece (4441) at equal intervals, and the other end of the vertical piece (4441) is meshed with the linkage rod (4442) through the tooth openings II;

1 pair of the transverse sheets (4443) are arranged on two vertical sides of a linkage rod (4442), 1 pair of the transverse sheets (4443) are arranged on the left and right sides, the transverse sheets (4443) can be movably arranged in a measuring port (441) on the left and right sides, a plurality of tooth openings III are reserved on the surface of the transverse sheets (4443) at equal intervals, the transverse sheets (4443) and the linkage rod (4442) are meshed with the tooth openings I through the tooth openings III, a top rod (4444) is arranged between the transverse sheet (4443) and the separation ring (43), 1 pair of the top rods (4444) are arranged left and right, one end of each top rod (4444) can be movably embedded in the transverse sheet (4443), and the other end of each top rod (4444) penetrates through the anti-overflow hoop (42) and then is in contact connection with the separation ring (43);

an oil pressure ejector rod is arranged between the ejector rod (4444) and the transverse sheet (4443) and used for enabling the ejector rod (4444) to be gradually shortened when the hydrogen pressing impulse is increased in the conveying passage (3) and the air outlet (2) to enable the measuring sheet (442) to rapidly change, pressing 1 to the separation ring (43) and enabling the separation ring to deviate from the separation ring, and a spiral beryllium copper wire four is further arranged between the ejector rod (4444) and the transverse sheet (4443).

4. A hydrogen storage cylinder gas outlet port fitting structure according to claim 3, characterized in that: still reserve anti-overflow mouth (414) and separation mouth (415) on drum (41), anti-overflow mouth (414) are the circle form framework, anti-overflow mouth (414) reserve the one side that is close conveying path (3) and gas outlet (2) horizontal center line in assembly mouth (411), anti-overflow hoop (42) is installed in anti-overflow mouth (414), separation mouth (415) are the circle form mouth that is located assembly mouth (411) and anti-overflow mouth (414) between, it installs in separation mouth (415) to block that separation circle (43) are portable.

5. A hydrogen cylinder gas outlet port fitting structure according to claim 4, characterized in that: the return assembly comprises a circular hoop (461), a spiral beryllium copper wire, a cooperation part and a stop part;

the circular hoops (461) are provided with 1 pair, are arranged at the left side and the right side of the anti-overflow hoop (42) in a mirror image mode, can move left and right and are hooped on the outer surfaces of the conveying passage (3) and the air outlet (2), and are positioned at one side of the reverse flow barrel (451) farther away from the anti-overflow hoop (42);

the five spiral beryllium copper wires are arranged between 1 pair of circular hoops (461), and two ends of the five spiral beryllium copper wires are fixedly connected with 1 pair of circular hoops (461) after penetrating through the counter-flow cylinder (451);

the stopping part is arranged in a chamber for reducing the pressing impulse, when the 1 pair of backflow cylinders (451) pull the circular hoops (461) to separate from each other and change to a preset direction, the stopping part stops the circular hoops (461) at the preset direction, and when the 1 pair of backflow cylinders (451) return to the original direction, the stopping part loosens the circular hoops (461) to allow the 1 pair of circular hoops (461) to change towards the anti-overflow hoops (42) under the action of the five spiral beryllium copper wires;

the cooperation part is provided with 2 groups, is arranged in a cavity for reducing the pressing impulse in a mirror image mode, and comprises a plurality of cooperation modules which are arranged towards the side of the cylinder (41) at equal intervals, wherein each cooperation module comprises a concave opening (4641), a variable sheet (4642), a combination sheet (4643) and a combination opening (4644);

the concave opening (4641) is reserved on the cylinders (41) at the left side and the right side and is positioned between the blocking opening (415) and the assembling opening (411), and the concave opening (4641) is a through opening and is used for communicating the blocking opening (415) with the assembling opening (411);

the variable sheet (4642) is fixedly connected to the outer surface of the barrier ring (43) and is movably arranged in the concave opening (4641);

the combined opening (4644) is reserved on the side wall of the concave opening (4641) and comprises a following part, a lifting part and a returning part, the following part is arranged on the left and right, the lifting part is arranged towards the horizontal center line perpendicular to the conveying passage (3) and the air outlet (2), one end close to the horizontal center line of the conveying passage (3) and the air outlet (2) is communicated with the end, farther away from the anti-overflow hoop (42), of the lifting part, the returning part is arranged in a tilted mode, one end is communicated with the end, farther away from the conveying passage (3) and the horizontal center line of the air outlet (2), of the lifting part, the other end is communicated with the end, close to the anti-overflow hoop (42), of the following part, the lifting part and the returning part are combined into a 3-edge structure;

the combination sheet (4643) is arranged in the concave-shaped opening (4641) and is in contact connection with one end of the movement sheet (4642) which is farther from the anti-overflow hoop (42), the combination sheet (4643) is movably arranged in the combination opening (4644) through a protruding sheet, the combination sheet (4643) and the blocking ring (43) are arranged in a spiral beryllium copper wire five, and the spiral beryllium copper wire five is stored energy when the hydrogen pressure in the conveying passage (3) and the air outlet (2) returns to normal, the combination sheet (4643) is in contact connection with the inner wall surface of the reverse flow barrel (451), the hydrogen pressure in the conveying passage (3) and the air outlet (2) increases and the blocking ring (43) deviates from the anti-overflow hoop (42) when the hydrogen pressure returns to normal, the combination sheet (4643) follows the movement of the combination opening (4644) to a lifting part under the pressure of the movement sheet (4642) under the cooperation of a stop position of the reverse flow barrel (451), the combination sheet (4643) is lifted to a lifting part along the movement part of the combination sheet (4642) and the combination sheet (451) returns to a normal direction, the assembly sheet (4643) approaches to a lifting part, the lifting part of the anti-overflow hoop (451), the assembly sheet (451) and the assembly sheet (4643) approaches to a predetermined direction, the assembly section (451) when the copper wire (451) approaches to a reverse flow direction, the assembly section (451) approaches to a predetermined direction, the assembly section (4642) and the reverse flow direction of the reverse flow barrel (451) does not moves from the reverse flow barrel (451), the combination piece (4643) is in contact connection with one end of the circular hoop (461) close to the backflow barrel (451), and under the pressing of the circular hoop (461), the combination piece (4643) is moved to the starting orientation towards the return part of the combination opening (4644), and the combination piece (4643) presses the blocking ring (43) towards the anti-overflow hoop (42) through the moving piece (4642).

6. A hydrogen cylinder gas outlet port fitting structure according to claim 5, characterized in that: the stop part is provided with 2 groups, is arranged in a chamber for reducing the pressing impulse in a mirror image mode, and comprises a plurality of stop modules which are arranged towards the side of the cylinder (41) at equal intervals, and each stop module comprises a stop sheet (4651) and a stop strip (4652);

the stop piece (4651) is arranged outside the circular hoop (461) and movably arranged on the wall surface of the assembling opening (411) towards the direction vertical to the horizontal central line of the cylinder (41), a spiral beryllium copper wire six is arranged between the stop piece (4651) and the cylinder (41) and used for enabling the stop piece (4651) to move towards the horizontal central line of the conveying passage (3) and the air outlet (2) and stopping the circular hoop (461) at a preset orientation, and the surface of one end of the stop piece (4651) farther from the countercurrent cylinder (451) is a slope I;

the stop strip (4652) is arranged left and right, the stop strip (4652) can move left and right and is arranged on the cylinder (41) and is positioned outside the reverse flow cylinder (451), one end of the stop strip (4652) close to the stop sheet (4651) extends towards the inner side of the assembling port (411) and is connected with a first fastening sheet (4653), the first fastening sheet (4653) is positioned on the side of the stop sheet (4651) farther away from the reverse flow cylinder (451), the surface of the first fastening sheet (4653) close to one end of the stop sheet (4651) is a second sloping surface, and the other end of the stop strip (4652) farther away from the stop sheet (4651) extends towards the inner side of the assembling port (411) and is connected with a second fastening sheet (4654);

the second fastening piece (4654) is arranged between 1 pair of counter-flow cylinders (451); and a spiral beryllium copper wire third (4655) is arranged between the buckling piece second (4654) and the cylinder (41) and used for pulling the stop strip (4652) by the spiral beryllium copper wire third (4655) to enable the buckling piece first (4653) to deviate from the stop piece (4651) to change after the 1 pair of counter-flow cylinders (451) deviate from each other and are separated from the buckling piece second (4654).

7. A hydrogen cylinder gas outlet port fitting structure according to claim 6, characterized in that: the surface of the stop piece (4651) close to one end of the circular hoop (461) is a third slope.

8. A hydrogen storage cylinder gas outlet port fitting structure according to claim 6, characterized in that: a first reciprocating bar (453) is arranged between the pair of backflow cylinders (451) 1, the first reciprocating bar (453) is of a hollow structure, the first reciprocating bar (453) is connected to the outer portion of a second spiral beryllium copper wire (452) in a hooping mode, a second reciprocating bar (463) is arranged between the pair of circular hoops (461), the second reciprocating bar (463) is of a hollow structure, the second reciprocating bar (463) is connected to the outer portion of a fifth spiral beryllium copper wire in a hooping mode, the second reciprocating bar (463) is movably connected with the backflow cylinders (451), and the second reciprocating bar (463) is connected with the backflow cylinders (451) in a gapless mode.

9. A hydrogen storage cylinder gas outlet port fitting structure according to claim 1, characterized in that: the pressing impulse changing modules (44) are arranged on a plurality of sides of the anti-overflow hoop (42), and the pressing impulse changing modules (44) are arranged on the sides of the anti-overflow hoop at equal intervals.

10. A hydrogen storage cylinder gas outlet port fitting structure according to claim 1, characterized in that: a circle-shaped first ditch (412) is reserved on the cylinder (41), the circle-shaped first ditch (412) is a circle-shaped opening reserved outside the assembling opening (411), and a round sleeve made of silica gel is arranged in the circle-shaped first ditch (412).

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