CN214306478U - Safe self-locking and rapid plugging high-pressure hydrogenation gun for fuel cell automobile - Google Patents
Safe self-locking and rapid plugging high-pressure hydrogenation gun for fuel cell automobile Download PDFInfo
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- CN214306478U CN214306478U CN202022809110.6U CN202022809110U CN214306478U CN 214306478 U CN214306478 U CN 214306478U CN 202022809110 U CN202022809110 U CN 202022809110U CN 214306478 U CN214306478 U CN 214306478U
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- thimble
- valve body
- sleeve
- spring
- locking
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- 238000005984 hydrogenation reaction Methods 0.000 title claims abstract description 110
- 239000000446 fuel Substances 0.000 title claims abstract description 28
- 230000001681 protective effect Effects 0.000 claims abstract description 44
- 230000000903 blocking effect Effects 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 8
- 239000001257 hydrogen Substances 0.000 description 8
- 229910052739 hydrogen Inorganic materials 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 239000007789 gas Substances 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a quick plug high pressure hydrogenation rifle of fuel cell car safety auto-lock relates to hydrogenation rifle technical field, include: the hydrogenation gun comprises a hydrogenation gun body, a hydrogenation gun body and a valve seat, wherein the hydrogenation gun body comprises an upper valve body, a lower valve body and the valve seat, the upper valve body is provided with a tapered hole, a ball is arranged in the tapered hole, and the lower valve body is provided with a round hole; the quick plug assembly comprises a thimble, a thimble sleeve, a thimble spring and a thimble shaft sleeve; the sleeve assembly comprises a front end protective shell and a shell supporting spring, the shell supporting spring is arranged between the upper valve body and the front end protective shell, and a limiting groove is formed in the inner wall of the front end protective shell; a filter assembly; safe locking subassembly, safe locking subassembly are established at the downthehole circle, and safe locking subassembly includes safe locking spring, safe nut and the safe locking round pin of screwing. The utility model discloses quick connector subassembly realizes hydrogenation rifle and hydrogenation mouth high-speed joint and disconnection, and sleeve subassembly locks ball and hydrogenation mouth, and safe locking subassembly passes through the medium and realizes locking and the unblock to sleeve subassembly.
Description
Technical Field
The utility model relates to a technical field of hydrogenation rifle especially relates to a quick plug high pressure hydrogenation rifle of safe auto-lock.
Background
The energy problem is the most urgent problem to be solved in the world today. In recent years, China vigorously supports the new energy industry, and in order to enable a fuel cell automobile to replace a traditional fuel oil automobile, a hydrogenation station and hydrogenation equipment matched with the hydrogenation station must be developed with the fuel cell automobile in a coordinated mode. The hydrogenation gun is used as one of key parts on the hydrogenation machine and is mainly used for connecting the hydrogenation machine and a hydrogenation port to help a fuel cell vehicle finish hydrogen filling operation. The problems in the prior art that the hydrogenation gun is used in a hydrogenation station are as follows:
firstly, the hydrogenation gun for the target hydrogenation station is large in size, high in weight and high in internal complexity, and meanwhile in the actual filling process, an operator needs to use an operating handle to manually lock the hydrogenation gun, so that the use steps are complicated, the use requirement of frequent disassembly and assembly cannot be met, and the work efficiency of the operator and the hydrogen filling efficiency are influenced.
In addition, because high-pressure media exist in the internal media flow passage all the time, the existing hydrogenation gun is prevented from being accidentally disconnected and is mainly self-locked by operators, the method really improves the reliability of products, but still cannot avoid the disconnection of the hydrogenation gun in a high-pressure state caused by manual misoperation or external force ineffectiveness, so that a complete self-locking device is lacked fundamentally, and the safety of the products is still to be improved.
In addition, at present, adopt the jack catch formula structure to realize that hydrogenation rifle and hydrogenation mouth are connected fixedly more, this kind of structure will lead to the whole length increase of hydrogenation rifle, and the jack catch all is difficult for fixing a position and with higher costs in the aspect of the processing installation, considers from the quality control aspect, also can't the accurate measurement dimensional parameter more can't confirm the fitting surface whether target in place, simultaneously in the in-service use process, also has the potential risk that breaks away from. After a common hydrogenation gun is used for a period of time, the interior of the hydrogenation gun is easily polluted by external solid particles, and the maintenance cost of the hydrogenation gun is extremely high for preventing the reduction of the hydrogen purity.
Based on the above problems, there is a need to provide a more reasonable and safer hydrogenation gun to overcome the defects of the existing products and satisfy the potential needs of the existing customer groups.
SUMMERY OF THE UTILITY MODEL
To the problem that the aforesaid produced, the utility model aims at providing a high-pressure hydrogenation rifle of quick plug of fuel cell car safety auto-lock, through the inside dielectric strength of hydrogenation rifle, guarantee that the hydrogenation rifle can not be because of operating personnel maloperation with hydrogenation rifle and hydrogenation mouth disconnection in hydrogen filling operation process.
In order to realize the purpose, the utility model discloses the technical scheme who takes does:
the utility model provides a fuel cell car safety auto-lock quick plug high pressure hydrogenation rifle, wherein, includes:
the hydrogenation gun comprises a hydrogenation gun body, a valve body and a valve seat, wherein the hydrogenation gun body comprises an upper valve body, a lower valve body and the valve seat which are sequentially connected, a through tapered hole is radially formed in the side wall of the upper part of the upper valve body, a ball is arranged in the tapered hole, and a round hole is radially formed in the side wall of the middle part of the lower valve body;
the quick plug assembly comprises a thimble, a thimble sleeve, a thimble spring and a thimble shaft sleeve, the thimble sleeve is arranged at the upper end of the lower valve body, the lower end of the thimble extends into the thimble sleeve, the thimble shaft sleeve is sleeved on the thimble, one end of the thimble spring is abutted against the thimble shaft sleeve, and the other end of the thimble spring is abutted against the thimble sleeve;
the sleeve assembly comprises a front end protective shell and a shell supporting spring, the front end protective shell is sleeved outside the upper valve body and the lower valve body, the shell supporting spring is arranged between the upper valve body and the front end protective shell, one side of each ball is abutted against the inner wall of the front end protective shell, the other side of each ball is abutted against the upper end of the thimble shaft sleeve, and a plurality of limiting grooves are distributed on the inner wall of the lower side of the front end protective shell along the vertical direction at equal intervals;
the filter assembly is arranged in a cavity between the lower valve body and the valve seat and is used for filtering media flowing through the interior of the hydrogenation gun body;
safety locking subassembly, safety locking subassembly sets up in the round hole, safety locking subassembly includes safe locking spring, the nut of screwing safely and safe locking round pin, the nut threaded connection of screwing safely in the round hole, the safety locking round pin includes the body of rod and dog, the dog with the downthehole diapire of round offsets, the body of rod is kept away from the one end of dog is along transversely running through the nut of screwing safely, the one end of safe locking spring with the nut of screwing safely offsets, the other end with the dog offsets, the body of rod inserts the spacing inslot can block front end protective housing up-and-down motion.
The safe self-locking rapid plugging high-pressure hydrogenation gun for the fuel cell automobile is characterized in that the lower end of the thimble extends outwards to form an annular clamping block, a limiting step is formed on the lower side of the inner wall of the thimble sleeve, and the annular clamping block is arranged in the limiting step.
The utility model provides a foretell high pressure hydrogenation rifle of quick plug of fuel cell car safety auto-lock, wherein, the thimble axle sleeve includes interior axle sleeve of thimble and the outer axle sleeve of thimble, the axle sleeve in the thimble with the outer axle sleeve of thimble all suits is in on the thimble, the outer axle sleeve of thimble is located the outside of axle sleeve in the thimble, the thimble spring includes interior spring of support in the thimble and the outer supporting spring of thimble, the one end of the interior spring of thimble with axle sleeve offsets in the thimble, the other end with the thimble cover offsets, the outer supporting spring's of thimble one end with the outer axle sleeve of thimble offsets, the other end with the thimble cover offsets, the upper end of the outer axle sleeve of thimble with the ball offsets.
The safe self-locking rapid plugging high-pressure hydrogenation gun for the fuel cell automobile is characterized in that a first clamp spring is sleeved on the thimble, the upper end of the thimble shaft sleeve abuts against the first clamp spring, and the first clamp spring is used for blocking the thimble outer shaft sleeve.
The safe self-locking rapid plugging high-pressure hydrogenation gun for the fuel cell automobile is characterized in that a through gas channel is formed between the round hole and the inner channel of the lower valve body, the stop block abuts against the port of the gas channel, and the rod body is sleeved with the safe locking spring.
The safe self-locking rapid plugging and unplugging high-pressure hydrogenation gun for the fuel cell automobile comprises a filter support piece, a filter and a first gasket, wherein the upper end of the filter is outwards bent to form a flanging, the lower end of the filter support piece is abutted to a valve seat, the upper end of the filter support piece is abutted to the flanging, and the first gasket is clamped between the flanging and a lower valve body.
The front end protective shell comprises a first protective shell and a second protective shell, the lower end of the first protective shell is in threaded connection with the upper end of the second protective shell, an air cavity is formed between the first protective shell and the upper valve body, an abutting surface is arranged on the outer annular surface of the upper valve body, a shell supporting spring is arranged in the air cavity and along the outer wall of the upper valve body, one end of the shell supporting spring abuts against the abutting surface, the other end of the shell supporting spring abuts against the inside of the first protective shell, a ball abuts against the inner wall of the first protective shell, and a plurality of limiting grooves are formed in the inner wall of the second protective shell.
The safe self-locking rapid plugging high-pressure hydrogenation gun for the fuel cell automobile is characterized in that a second clamp spring is sleeved on the side wall of the upper end of the upper valve body and located above the tapered hole, and the second clamp spring is used for blocking the first protection shell.
The safe self-locking rapid plugging high-pressure hydrogenation gun for the fuel cell automobile is characterized in that an annular groove is formed in the inner wall of the upper end of the first protection shell.
The safe self-locking and rapid plugging high-pressure hydrogenation gun for the fuel cell automobile is characterized in that the stop block is connected with the lower valve body in a sealing mode through the O-shaped ring and the second gasket.
The utility model discloses owing to adopt above-mentioned technique, make it compare the positive effect that has with prior art and be:
1. the utility model discloses a quick connector subassembly realizes hydrogenation rifle and hydrogenation mouth high-speed joint and disconnection, effectively shortens product length, and the portability is high, convenient operation.
2. The utility model discloses a sleeve subassembly can lock ball and hydrogenation mouth, and the medium of safe locking subassembly in through the hydrogenation rifle can realize locking and the unblock process to sleeve subassembly, and the hydrogenation rifle reliability is high, guarantees that the hydrogenation rifle can not be because of operating personnel maloperation with hydrogenation rifle and hydrogenation mouth disconnection in hydrogen filling operation process.
Drawings
FIG. 1 is a sectional view of the fuel cell vehicle safety self-locking quick plugging high pressure hydrogenation gun of the present invention;
fig. 2 is a cross-sectional view of the upper valve body of the present invention.
Fig. 3 is a cross-sectional view of the quick connector assembly of the present invention.
Fig. 4 is a cross-sectional view of the safety locking assembly and second protective housing of the present invention.
Figure 5 is a cross-sectional view of the filter assembly of the present invention.
Reference numerals: 1. an upper valve body; 11. a tapered hole; 12. a ball bearing; 13. a second clamp spring; 2. a lower valve body; 21. a circular hole; 22. a gas channel; 3. a valve seat; 31. an O-shaped ring; 4. a quick plug assembly; 41. a thimble; 411. an annular fixture block; 42. a thimble sleeve; 421. a limiting step; 422. an O-shaped ring; 43. a thimble spring; 431. supporting a spring in the thimble; 432. the thimble is supported the spring outside; 44. a thimble shaft sleeve; 441. a thimble inner shaft sleeve; 442. a thimble outer shaft sleeve; 45. a first clamp spring; 5. a sleeve assembly; 51. a front end protective housing; 511. A first protective case; 5111. an annular groove; 512. a second protective shell; 5121. a limiting groove; 52. a housing support spring; 6. a filter assembly; 61. a filter support; 62. a filter; 621. flanging; 63. A first gasket; 7. a safety locking assembly; 71. a safety locking spring; 72. the nut is screwed safely; 73. a safety locking pin; 731. a rod body; 732. a stopper; 7322. an O-shaped ring; 7323. a second gasket.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings and specific embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It should be noted that the terms "upper" and "lower", "inner" and "outer" as used herein are defined with reference to the relative positions of the components in the drawings of the present invention, and are used for clarity and convenience of description, and it should be understood that the scope of the present application is not limited by the use of the terms.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, and may be, for example, a fixed connection, a detachable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The first embodiment:
referring to fig. 1 and 2, a first preferred fuel cell vehicle safety self-locking quick-plugging high-pressure hydrogenation gun is shown, which comprises: the hydrogenation gun comprises a hydrogenation gun body, a quick connector assembly 4, a sleeve assembly 5, a filter assembly 6 and a safety locking assembly 7.
Wherein, the hydrogenation gun body comprises an upper valve body 1, a lower valve body 2 and a valve seat 3 which are connected in sequence, the inner channels of the upper valve body 1, the lower valve body 2 and the valve seat 3 are communicated in sequence, the upper valve body 1 and the lower valve body 2 are connected through screw thread, the lower valve body 2 and the valve seat 3 are connected through screw thread, the upper side wall of the upper valve body 1 is provided with a through taper hole 11 along the radial direction, the aperture of the taper hole 11 is in a decreasing state from the outer wall to the inner wall of the upper valve body 1, a ball 12 is arranged in the taper hole 11, the aperture of one end of the taper hole 11 close to the inner wall of the upper valve body 1 is smaller than the diameter of the ball 12, the ball 12 can be limited, a small part of the ball 12 can enter the inner channel of the upper valve body 1, the ball 12 cannot completely roll into the internal channel of the upper valve body 1, the side wall of the middle part of the lower valve body 2 is radially provided with a round hole 21, the round hole 21 is communicated with the internal channel of the lower valve body 2, and the lower valve body 2 is hermetically connected with the valve seat 3 through an O-shaped ring 31.
Referring to fig. 1 and 3, the quick connector assembly 4 is used for quickly connecting and disconnecting a hydrogenation gun with a hydrogenation port (not shown in the figure), so as to facilitate an operator to perform hydrogenation operation on a vehicle, a hydrogenation port clamping groove is formed in an outer wall of the hydrogenation port, the quick connector assembly 4 includes a thimble 41, a thimble sleeve 42, a thimble spring 43 and a thimble sleeve 44, the thimble sleeve 42 is arranged at an upper end of the lower valve body 2, the thimble sleeve 42 is hermetically connected with the lower valve body 2 through an O-ring 7322, a lower end of the thimble 41 extends into the thimble sleeve 42, a lower end of the thimble 41 is hermetically connected with the thimble sleeve 42 through an O-ring 4222, the thimble sleeve 44 is sleeved on the thimble 41, one end of the thimble spring 43 abuts against the thimble sleeve 44, the other end abuts against the thimble sleeve 42, a corner of the upper end of the thimble sleeve 44, which is far away from the thimble 41, is in a circular arc shape, an outer side wall of the thimble sleeve 44 abuts against an inner wall of the upper valve body 1, the thimble spring 43 can ensure that the thimble 41 can be normally reset after being pressed down by the hydrogenation port.
The sleeve component 5 comprises a front end protective shell 51 and a shell supporting spring 52, the front end protective shell 51 is sleeved outside the upper valve body 1 and the lower valve body 2, the shell supporting spring 52 is arranged between the upper valve body 1 and the front end protective shell 51, one end of the shell supporting spring 52 is connected with the front end protective shell 51, the other end is connected with the outer wall of the upper valve body 1, one side of the ball 12 is abutted against the inner wall of the front end protective shell 51, the other side of the ball 12 is abutted against the upper end of the thimble bushing 44, the ball 12 is limited between the thimble bushing 44 and the front end protective shell 51, an annular groove 5111 is arranged on the inner wall of the upper end of the first protective shell 511, when the ball 12 is in an initial state, one side of the ball 12 protruding out of the tapered hole 11 can be arranged in the annular groove 5111, when the external hydrogenation port is connected with the quick connector component 4, the hydrogenation port is jacked into the front end of the upper valve body 1, and the hydrogenation port pushes the thimble 41 to move downwards, the thimble shaft sleeve 44 and the thimble 41 move synchronously, when the thimble shaft sleeve 44 is completely separated from the tapered hole 11, the thimble shaft sleeve 44 does not limit the position of the ball 12 any more, the thimble shaft sleeve 44 is separated from the ball 12, one side of the ball 12 falls into the hydrogenation port clamping groove, the front end protective shell 51 moves upwards, the inner wall of the front end protective shell 51 can surround the tapered hole 11, and the ball 12 is ensured to be tightly locked in the hydrogenation port clamping groove; after the front end protection shell 51 is moved downwards, the port of the tapered hole 11 close to the outer part of the upper valve body 1 is opened, the thimble spring 43 applies upward acting force to the thimble shaft sleeve 44, so that the thimble shaft sleeve 44 is pressed against the ball 12 again, the thimble shaft sleeve 44 applies thrust to the ball 12, the ball 12 rolls towards the direction close to the front end protection shell 51 and is separated from the hydrogenation port clamping groove, and the hydrogenation port can be separated from the quick connector assembly 4.
Referring to fig. 1 and 5, the filter assembly 6 is disposed in the cavity between the lower valve body 2 and the valve seat 3, and is used for filtering the medium flowing through the interior of the hydrogenation lance, so as to improve the purity of the medium, and to facilitate the improvement of the efficiency of the downstream hydrogen supply system.
Referring to fig. 1 and 4, the safety locking assembly 7 is transversely disposed in the circular hole 21, the safety locking assembly 7 includes a safety locking spring 71, a safety screw nut 72 and a safety locking pin 73, the safety screw nut 72 is threadedly connected in the circular hole 21, a cavity is formed between the safety screw nut 72 and the circular hole 21, the safety locking pin 73 includes a rod body 731 and a stopper 732, the stopper 732 is disposed in the cavity between the safety screw nut 72 and the circular hole 21, when no high-pressure medium flows in the lower valve body 2, the stopper 732 abuts against the inner bottom wall of the circular hole 21, an installation groove is formed in the outer wall of the stopper 732, an O-ring 7322 and a second washer 7323 are disposed in the installation groove, the stopper 732 and the lower valve body 2 are hermetically connected by the O-ring 7322 and the second washer 7323, one end of the rod body 731, which is far from the stopper 732, transversely penetrates through the safety screw nut 72, one end of the safety locking spring 71 abuts against the safety screw nut 72, the other end offsets with dog 732, it has a plurality of spacing grooves 5121 to distribute along vertical equidistance on the inner wall of front end protective housing 51 downside, the body of rod 731 inserts and to block front end protective housing 51 up-and-down motion in the spacing groove 5121, when there is high-pressure medium in lower valve body 2, trigger safe locking subassembly 7 and begin work, the high-pressure medium of lower valve body 2 internal passage promotes dog 732 and removes to the direction that is close to spacing groove 5121, dog 732 compression safe locking spring 71, make the body of rod 731 can pass safe nut 72 of screwing and insert in one of them spacing groove 5121, avoid adding the front end protective housing 51 that the hydrogenation mouth in-process maloperation leads to and take place to remove, ball 12 can not lock the phenomenon of dead hydrogenation mouth.
Further, the lower end of the thimble 41 extends outwards to form an annular fixture block 411, a limiting step 421 is formed on the lower side of the inner wall of the thimble sleeve 42, the annular fixture block 411 is arranged in the limiting step 421, when the thimble 41 is assembled on the thimble sleeve 42, the upper end of the thimble 41 extends into the thimble sleeve 42 from the lower end of the thimble sleeve 42 until the annular fixture block is clamped in the limiting step 421, and the limiting step 421 plays a role in limiting the thimble 41, so that the thimble 41 is prevented from continuously moving upwards from the thimble sleeve 42 and separating from the thimble sleeve 42.
Referring to fig. 3, the thimble bushing 44 includes a thimble inner bushing 441 and a thimble outer bushing 442, the thimble inner bushing 441 and the thimble outer bushing 442 are both sleeved on the thimble 41, the thimble outer bushing 442 is located outside the thimble inner bushing 441, the thimble spring 43 includes a thimble inner support spring 431 and a thimble outer support spring 432, one end of the thimble inner support spring 431 abuts against the thimble inner bushing 441, the other end abuts against the thimble bushing 42, one end of the thimble outer support spring 432 abuts against the thimble outer bushing 442, the other end abuts against the thimble bushing 42, and an upper end of the thimble outer bushing 442 abuts against the balls 12.
Further optimize above-mentioned technical scheme, the cover is equipped with first jump ring 45 on thimble 41, and thimble axle sleeve 44's upper end is supported on first jump ring 45, and first jump ring 45 is used for blockking thimble outer axle sleeve 442.
In the embodiment of the present invention, a through gas channel 22 is provided between the circular hole 21 and the inner channel of the lower valve body 2, the stopper 732 is supported on the port of the gas channel 22, and the safety locking spring 71 is sleeved on the rod body 731.
Further, as shown in fig. 5, the filter assembly 6 includes a filter support member 61, a filter 62 and a first gasket 63, an upper end of the filter 62 is bent outward to form a flange 621, a lower end of the filter support member 61 abuts against the valve seat 3, an upper end of the filter support member 61 abuts against the flange 621, and the first gasket 63 is clamped between the flange 621 and the lower valve body 2 to prevent the medium from directly entering the interior of the hydrogenation gun without passing through the filter 62, so as to reduce the service life of the hydrogenation gun.
Further optimizing the above technical solution, please refer to fig. 1, the front end protection shell 51 includes a first protection shell 511 and a second protection shell 512, a lower end of the first protection shell 511 is in threaded connection with an upper end of the second protection shell 512, an air cavity is provided between the first protection shell 511 and the upper valve body 1, an outer annular surface of the upper valve body 1 is provided with an abutting surface, a shell supporting spring 52 is disposed in the air cavity, the shell supporting spring 52 is disposed along an outer wall of the upper valve body 1, one end of the shell supporting spring 52 abuts against the abutting surface, the other end is connected with the inside of the first protection shell 511, the ball 12 abuts against an inner wall of the first protection shell 511, and the plurality of limiting grooves 5121 are disposed on an inner wall of the second protection shell 512.
In order to prevent the front end protection shell 51 from being separated from the upper valve body 1, a second snap spring 13 is sleeved on the upper end side wall of the upper valve body 1, the second snap spring 13 is located above the tapered hole 11, and the second snap spring 13 is used for blocking the first protection shell 511 from continuing to move upwards.
The working principle of the present invention is explained as follows: during hydrogenation operation, an external hydrogenation port is jacked from the front end of the upper valve body 1, the hydrogenation port pushes the thimble 41 to move downwards, the thimble sleeve 44 compresses the thimble spring 43, the thimble sleeve 44 is separated from the ball 12, the ball 12 falls into the hydrogenation port clamping groove, an operator moves the front end protective shell 51 upwards and supports the front end protective shell on the second clamp spring 13 to ensure that the ball 12 is tightly locked in the hydrogenation port clamping groove, the hydrogenation port cannot move, an internal channel of the hydrogenation gun is in an open state, an internal medium pushes the safety locking pin 73 to lock the front end protective shell 51, hydrogen enters the lower valve body 2 through the hydrogenation hose after passing through the filter 62, then enters the thimble 41, and finally flows into the hydrogenation port connected with the hydrogenation gun, so that the whole hydrogen operation is realized; after the filling operation is completed, the safety locking pin 73 is unlocked from the front end protection shell 51 under the action of the safety locking spring 71, the front end protection shell 51 is reset under the action of the shell supporting spring 52, the ejector pin shaft sleeve 44 and the ejector pin 41 are reset under the action of the ejector pin spring 43, the ejector pin shaft sleeve 44 pushes the ball 12 to be separated from the hydrogenation port clamping groove, the disconnection of the hydrogenation port is realized, and the disconnection operation of the hydrogenation gun is completed.
The above is only a preferred embodiment of the present invention, and not intended to limit the scope of the invention, and it should be appreciated by those skilled in the art that various equivalent substitutions and obvious changes made in the specification and drawings should be included within the scope of the present invention.
Claims (10)
1. The utility model provides a fuel cell car safety auto-lock quick plug high pressure hydrogenation rifle which characterized in that includes:
the hydrogenation gun comprises a hydrogenation gun body, wherein the hydrogenation gun body comprises an upper valve body (1), a lower valve body (2) and a valve seat (3) which are sequentially connected, a through tapered hole (11) is formed in the side wall of the upper part of the upper valve body (1) along the radial direction, a ball (12) is arranged in the tapered hole (11), and a round hole (21) is formed in the side wall of the middle part of the lower valve body (2) along the radial direction;
the quick plug-in head assembly (4), the quick plug-in head assembly (4) includes a thimble (41), a thimble sleeve (42), a thimble spring (43) and a thimble sleeve (44), the thimble sleeve (42) is arranged at the upper end of the lower valve body (2), the lower end of the thimble (41) extends into the thimble sleeve (42), the thimble sleeve (44) is sleeved on the thimble (41), one end of the thimble spring (43) is abutted against the thimble sleeve (44), and the other end is abutted against the thimble sleeve (42);
the sleeve assembly (5) comprises a front end protective shell (51) and a shell supporting spring (52), the front end protective shell (51) is sleeved outside the upper valve body (1) and the lower valve body (2), the shell supporting spring (52) is arranged between the upper valve body (1) and the front end protective shell (51), one side of the ball (12) abuts against the inner wall of the front end protective shell (51), the other side of the ball (12) abuts against the upper end of the thimble shaft sleeve (44), and a plurality of limiting grooves (5121) are distributed on the inner wall of the lower side of the front end protective shell (51) along the vertical direction at equal intervals;
the filter assembly (6) is arranged in a cavity between the lower valve body (2) and the valve seat (3) and is used for filtering media flowing through the interior of the hydrogenation gun body;
the safety locking assembly (7), the safety locking assembly (7) is arranged in the round hole (21), the safety locking assembly (7) comprises a safety locking spring (71), a safety screwing nut (72) and a safety locking pin (73), the safety screwing nut (72) is in threaded connection with the inside of the round hole (21), the safety locking pin (73) comprises a rod body (731) and a stop block (732), the stop block (732) is abutted against the inner bottom wall of the round hole (21), one end of the rod body (731), which is far away from the stop block (732), transversely penetrates through the safety screwing nut (72), one end of the safety locking spring (71) is abutted against the safety screwing nut (72), the other end is abutted against the stop block (732), the rod body (731) is inserted into the limiting groove (5121) and can block the front end protective shell (51) from moving up and down.
2. The fuel cell automobile safety self-locking rapid plugging high-pressure hydrogenation gun according to claim 1, wherein the lower end of the thimble (41) extends outwards to form an annular fixture block (411), a limiting step (421) is arranged on the lower side of the inner wall of the thimble sleeve (42), and the annular fixture block (411) is arranged in the limiting step (421).
3. The fuel cell automobile safety self-locking rapid plugging high-pressure hydrogenation gun according to claim 1, it is characterized in that the thimble shaft sleeve (44) comprises a thimble inner shaft sleeve (441) and a thimble outer shaft sleeve (442), the thimble inner shaft sleeve (441) and the thimble outer shaft sleeve (442) are sleeved on the thimble (41), the thimble outer shaft sleeve (442) is positioned outside the thimble inner shaft sleeve (441), the thimble spring (43) comprises a thimble inner supporting spring (431) and a thimble outer supporting spring (432), one end of the thimble inner supporting spring (431) is propped against the thimble inner shaft sleeve (441), the other end is propped against the thimble sleeve (42), one end of the thimble outer supporting spring (432) is propped against the thimble outer shaft sleeve (442), the other end is propped against the thimble sleeve (42), the upper end of the thimble outer shaft sleeve (442) is abutted against the ball (12).
4. The fuel cell automobile safety self-locking rapid plugging high-pressure hydrogenation gun according to claim 3, wherein a first snap spring (45) is sleeved on the thimble (41), the upper end of the thimble shaft sleeve (44) abuts against the first snap spring (45), and the first snap spring (45) is used for blocking the thimble outer shaft sleeve (442).
5. The fuel cell automobile safety self-locking rapid plugging high-pressure hydrogenation gun as claimed in claim 1, wherein a through gas channel (22) is provided between the circular hole (21) and the inner channel of the lower valve body (2), the stopper (732) abuts against the port of the gas channel (22), and the safety locking spring (71) is sleeved on the rod body (731).
6. The fuel cell automobile safety self-locking rapid plugging and unplugging high-pressure hydrogenation gun according to claim 1, wherein the filter assembly (6) comprises a filter support member (61), a filter (62) and a first gasket (63), the upper end of the filter (62) is bent outwards to form a flange (621), the lower end of the filter support member (61) abuts against the valve seat (3), the upper end of the filter support member (61) abuts against the flange (621), and the first gasket (63) is clamped between the flange (621) and the lower valve body (2).
7. The fuel cell automobile safety self-locking rapid plugging high-pressure hydrogenation gun according to claim 1, wherein the front end protection shell (51) comprises a first protection shell (511) and a second protection shell (512), the lower end of the first protection shell (511) is in threaded connection with the upper end of the second protection shell (512), an air cavity is arranged between the first protection shell (511) and the upper valve body (1), an abutting surface is arranged on the outer ring surface of the upper valve body (1), the housing support spring (52) is arranged in the air cavity, the housing support spring (52) is arranged along the outer wall of the upper valve body (1), one end of the housing support spring (52) abuts against the abutting surface, the other end abuts against the inside of the first protection shell (511), and the ball (12) abuts against the inner wall of the first protection shell (511), the limiting grooves (5121) are arranged on the inner wall of the second protective shell (512).
8. The fuel cell automobile safety self-locking rapid plugging high-pressure hydrogenation gun according to claim 7, wherein a second snap spring (13) is sleeved on the upper end side wall of the upper valve body (1), the second snap spring (13) is located above the tapered hole (11), and the second snap spring (13) is used for blocking the first protection shell (511).
9. The fuel cell automobile safety self-locking rapid plugging high-pressure hydrogenation gun as claimed in claim 8, wherein an annular groove (5111) is formed on the inner wall of the upper end of the first protection shell (511).
10. The fuel cell automobile safety self-locking rapid plugging high-pressure hydrogenation gun as claimed in claim 1, wherein the stopper (732) and the lower valve body (2) are hermetically connected by an O-ring (7322) and a second gasket (7323).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022809110.6U CN214306478U (en) | 2020-11-28 | 2020-11-28 | Safe self-locking and rapid plugging high-pressure hydrogenation gun for fuel cell automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022809110.6U CN214306478U (en) | 2020-11-28 | 2020-11-28 | Safe self-locking and rapid plugging high-pressure hydrogenation gun for fuel cell automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214306478U true CN214306478U (en) | 2021-09-28 |
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ID=77844629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022809110.6U Withdrawn - After Issue CN214306478U (en) | 2020-11-28 | 2020-11-28 | Safe self-locking and rapid plugging high-pressure hydrogenation gun for fuel cell automobile |
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| Country | Link |
|---|---|
| CN (1) | CN214306478U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112483881A (en) * | 2020-11-28 | 2021-03-12 | 上海舜华新能源系统有限公司 | Safe self-locking and rapid plugging high-pressure hydrogenation gun for fuel cell automobile |
-
2020
- 2020-11-28 CN CN202022809110.6U patent/CN214306478U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112483881A (en) * | 2020-11-28 | 2021-03-12 | 上海舜华新能源系统有限公司 | Safe self-locking and rapid plugging high-pressure hydrogenation gun for fuel cell automobile |
| CN112483881B (en) * | 2020-11-28 | 2024-05-14 | 上海舜华新能源系统有限公司 | Fuel cell automobile safety self-locking fast plug high-pressure hydrogenation gun |
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