CN115489300A - Filling port for hydrogen energy filling - Google Patents

Filling port for hydrogen energy filling Download PDF

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Publication number
CN115489300A
CN115489300A CN202211125079.1A CN202211125079A CN115489300A CN 115489300 A CN115489300 A CN 115489300A CN 202211125079 A CN202211125079 A CN 202211125079A CN 115489300 A CN115489300 A CN 115489300A
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CN
China
Prior art keywords
filling
port
auxiliary
groove
sealing
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Granted
Application number
CN202211125079.1A
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Chinese (zh)
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CN115489300B (en
Inventor
唐潘宇
吴方权
马明
刘磊
周冬汇
谢占山
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Nantong University
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Nantong University
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Priority to CN202211125079.1A priority Critical patent/CN115489300B/en
Publication of CN115489300A publication Critical patent/CN115489300A/en
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Publication of CN115489300B publication Critical patent/CN115489300B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K15/00Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
    • B60K15/03Fuel tanks
    • B60K15/04Tank inlets
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K15/00Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
    • B60K15/03Fuel tanks
    • B60K15/04Tank inlets
    • B60K2015/0458Details of the tank inlet
    • B60K2015/048Arrangements for sealing the fuel inlet during filling
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30Hydrogen technology
    • Y02E60/32Hydrogen storage

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

The invention discloses a filling port for filling hydrogen energy, which comprises a hydrogenation port and a filling port, wherein the hydrogenation port is internally provided with the filling port; threaded grooves are equidistantly formed in the side of the filling port, a filling auxiliary pipe is connected to the filling port and is fixedly connected through a sealing and fastening assembly, and the filling auxiliary pipe is sealed through a set filling auxiliary fitting. According to the invention, the auxiliary filling pipe is arranged and the sealing fastening component is arranged on the side of the auxiliary filling pipe, so that the auxiliary filling pipe is not easy to loosen during hydrogen energy filling work, the sealing performance of a filling port is ensured, and the stability of the hydrogen energy filling work is further ensured; and moreover, an upper layer of elastic ring and a lower layer of elastic ring and a movable sealing block are arranged in the filling auxiliary pipe, so that the gun head is ensured to have good sealing property when hydrogen energy is filled into the filling port, external air is prevented from entering the filling port, and the actual use requirement is met.

Description

Filling port for hydrogen energy filling
Technical Field
The invention relates to the technical field of hydrogen energy automobiles, in particular to a filling port for hydrogen energy filling.
Background
The traditional fuel oil filling port scheme is improved and optimized in view of the problems that a wheel cover outer plate is provided with an opening, a common oil filling port assembly is connected with a wheel cover outer plate through a dust cover, a wheel cover inner plate and an automobile inner trim plate are provided with communicated cavities, the sealing performance cannot guarantee the gas filling, and the rainwater penetrates; on the basis of a traditional vehicle type, a primary seal is formed by adopting a sealing cushion and bolt connection structure only through a filling head and a side wall inner plate, and the safety of a passenger cabin in the hydrogen fuel filling process is further improved.
In the scheme, the sealing cushion and the bolts arranged at the position of the filling port form a corresponding sealing structure, so that the outside air can easily enter the filling port in the actual operation process of filling hydrogen energy, and the sealing property cannot be well ensured; only adapt to the bolt and carry out fixed seal, it easily produces not hard up, and the steadiness is not enough, and then influences its sealed stability.
To this end, the present invention proposes a filler port for hydrogen energy filling for solving the above problems.
Disclosure of Invention
The invention aims to provide a filling port for hydrogen energy filling, which solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a filling port for filling hydrogen energy comprises a hydrogenation port and a filling port, wherein the filling port is arranged in the hydrogenation port;
threaded grooves are equidistantly formed in the side of the filling port, a filling auxiliary pipe is connected to the filling port and is fixedly connected through a sealing fastening assembly, and the filling auxiliary pipe is sealed through a set filling auxiliary fitting;
the sealing fastening assembly comprises a fixing pin, a round hole, a screw, a knob, a rotating auxiliary convex column, an annular locking groove, an annular magnet, a supporting plate, a slot, an L-shaped locking strip and an arc-shaped magnetic strip;
the filling auxiliary fitting comprises an elastic ring, a sealing ring, a movable sealing block, a movable cavity, a return spring and a semi-conical groove.
Preferably, one end of the filling auxiliary pipe is matched and tightly attached to the filling opening, and the diameter of the filling opening is equal to the inner diameter of the filling auxiliary pipe.
Preferably, the fixed one end lateral wall that sets up at the filling auxiliary pipe of fixed foot equidistance, and be provided with the round hole on the fixed foot, the screw passes round hole and thread groove looks adaptation threaded connection, and the fixed knob that is provided with of one end of screw, the fixed supplementary projection of rotating that is provided with of one end symmetry of knob, the lateral wall of knob is provided with annular locking groove, and the fixed annular magnet that is provided with in the annular locking groove, the fixed avris position that sets up at the filling mouth of backup pad equidistance, and be provided with the slot in the backup pad, it is provided with L type locking strip to peg graft in the slot, the one end of L type locking strip sets up to the arc concave surface, and the fixed arc magnetic stripe that is provided with on the arc concave surface.
Preferably, the round holes correspond to the side thread grooves of the filling port in arrangement positions and are arranged in the same number of groups.
Preferably, L type locking strip is corresponding with annular locking groove setting position, set up the group number the same, both looks adaptation joints, and the arc magnetic stripe and the annular magnet inter attraction on the L type locking strip one end arc concave surface.
Preferably, the elastic ring is fixedly arranged on the inner side wall of the filling auxiliary pipe, a sealing ring is fixedly arranged at the position of a ring opening of the elastic ring, the movable cavities are symmetrically arranged in the filling auxiliary pipe, the movable sealing blocks are movably arranged in the movable cavities, a reset spring is fixedly arranged at one end of each movable sealing block, one end of each reset spring is fixedly arranged in each movable groove, and a semi-conical groove is formed in the other end of each movable sealing block.
Preferably, four movable sealing blocks are symmetrically arranged in the filling auxiliary pipe, two symmetrically arranged movable sealing blocks form a group, the movable sealing blocks are in close contact with each other in the initial state, and a semi-conical groove at the end part of each movable sealing block forms a conical groove; the inner side wall of the elastic ring in the filling auxiliary pipe is provided with two elastic rings, namely, one elastic ring and two movable sealing blocks form a sealing structure, and the two sealing structures are arranged in the filling auxiliary pipe.
Preferably, the diameter of the opening of the elastic ring is smaller than the diameter of the notch of the conical groove.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the auxiliary filling pipe is arranged and the sealing fastening component is arranged on the side of the auxiliary filling pipe, so that the auxiliary filling pipe is not easy to loosen during hydrogen energy filling work, the sealing performance of a filling port is ensured, and the stability of the hydrogen energy filling work is further ensured; and moreover, an upper layer of elastic ring and a lower layer of elastic ring and a movable sealing block are arranged in the filling auxiliary pipe, so that the gun head is ensured to have good sealing property when hydrogen energy is filled into the filling port, external air is prevented from entering the filling port, and the actual use requirement is met.
Drawings
FIG. 1 is a right side schematic view of a structural connection of a fill port and a fill assist tube in accordance with the present invention;
FIG. 2 is an enlarged partial view of the structural connection of FIG. 1 according to the present invention;
FIG. 3 is a schematic view of the left side of the structural connection of the fill port and the fill assist tube of the present invention;
FIG. 4 is a schematic view of the structural connection of the fill-assist tube with the seal fastener assembly and the fill-assist fitting of the present invention;
FIG. 5 is an enlarged view of a portion of the fastener assembly of FIG. 4 in accordance with the present invention;
FIG. 6 is an enlarged view of the structural connection of the L-shaped locking bar of FIG. 4 according to the present invention;
FIG. 7 is a partial cross-sectional top view of the internal structural connection of the fill assist tube of the present invention;
FIG. 8 is an enlarged partial view of the structural connection of FIG. 7 according to the present invention;
FIG. 9 is a schematic left side view, partly in section, showing the internal structural connections of the fill assist tube of the present invention;
fig. 10 is a partially enlarged view of the structural connection of fig. 9 according to the present invention.
In the figure: 1 hydrogenation mouth, 2 filling mouth, 3 filling auxiliary pipe, 4 sealing fastening component, 401 fixed foot, 402 round hole, 403 screw, 404 knob, 405 rotary auxiliary convex column, 406 annular locking groove, 407 annular magnet, 408 supporting plate, 409 slot, 410L type locking strip, 411 arc magnetic strip, 5 filling auxiliary fitting, 501 elastic ring, 502 sealing ring, 503 movable sealing block, 504 movable cavity, 505 reset spring, 506 semi-cone groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below. The embodiments of the present invention, and all other embodiments obtained by those skilled in the art without making any creative effort, belong to the protection scope of the present invention.
Referring to fig. 1 to 10, the present invention provides a technical solution: a filling port for filling hydrogen energy comprises a hydrogenation port 1 and a filling port 2, wherein the filling port 2 is arranged in the hydrogenation port 1.
Specifically, thread grooves are equidistantly formed in the side of the filling port 2, a filling auxiliary pipe 3 is connected to the filling port 2, the filling auxiliary pipe 3 is fastened and connected through a sealing fastening component 4, and the filling auxiliary pipe 3 is sealed through a filling auxiliary fitting 5.
Specifically, the sealing and fastening assembly 4 includes a fixing leg 401, a circular hole 402, a screw 403, a knob 404, a rotation assisting boss 405, an annular locking groove 406, an annular magnet 407, a supporting plate 408, a slot 409, an L-shaped locking strip 410, and an arc-shaped magnetic strip 411.
Specifically, the filling auxiliary fitting 5 comprises an elastic ring 501, a sealing ring 502, a movable sealing block 503, a movable cavity 504, a return spring 505 and a half cone groove 506.
Wherein, one end of the filling auxiliary pipe 3 is matched and tightly jointed with the filling port 2, and the diameter of the filling port 2 is equal to the inner diameter of the filling auxiliary pipe 3.
Concretely, fixed foot 401 equidistance here is fixed to be set up the one end lateral wall at filling auxiliary pipe 3, and be provided with round hole 402 on the fixed foot 401, screw 403 passes round hole 402 and screw thread groove looks adaptation threaded connection, and the fixed knob 404 that is provided with of one end of screw 403, the one end symmetry of knob 404 is fixed and is provided with rotating auxiliary projection 405, the lateral wall of knob 404 is provided with annular locking groove 406, and annular locking groove 406 in the fixed annular locking groove 407 that is provided with, the fixed avris position that sets up at filling opening 2 of backup pad 408 equidistance, and be provided with slot 409 on the backup pad 408, the interpolation is provided with L type locking strip 410 in slot 409, the one end of L type locking strip 410 sets up to the arc concave surface, and the fixed arc magnetic stripe 411 that is provided with on the arc concave surface.
The circular holes 402 correspond to the positions of the side thread grooves of the filler neck 2, and the number of the sets is the same.
Wherein, L type locking strip 410 is corresponding with annular locking groove 406 set position, set up the group number the same, both looks adaptations joint, and the arc magnetic stripe 411 on the concave surface of L type locking strip 410 one end arc and annular magnet 407 inter attraction.
Specifically, the elastic ring 501 is fixedly arranged on the inner side wall of the filling auxiliary pipe 3, a sealing ring 502 is fixedly arranged at the ring opening position of the elastic ring 501, the movable cavities 504 are symmetrically arranged in the filling auxiliary pipe 3, movable sealing blocks 503 are movably arranged in the movable cavities 504, one end of each movable sealing block 503 is fixedly provided with a return spring 505, one end of each return spring 505 is fixedly arranged in a movable groove, and the other end of each movable sealing block 503 is provided with a semi-conical groove 506; four movable sealing blocks 503 are symmetrically arranged in the filling auxiliary pipe 3, two symmetrically arranged movable sealing blocks 503 form a group, the movable sealing blocks 503 are in close contact with each other in an initial state, and the half-cone grooves 506 at the end parts of the two movable sealing blocks 503 form a cone-shaped groove; two elastic rings 501 are arranged on the inner side wall of the auxiliary filling pipe 3, namely one elastic ring 501 and two movable sealing blocks 503 form a sealing structure, and two sealing structures are arranged in the auxiliary filling pipe 3; the diameter of the opening of the elastic ring 501 is smaller than the diameter of the notch of the tapered groove.
The working principle of the invention is as follows: when hydrogen energy is injected, a gun head is inserted into an auxiliary filling pipe 3 on a hydrogenation port 1, hydrogen energy is added into a filling port 2 through the auxiliary filling pipe 3, the gun head firstly passes through a first layer of elastic ring 501 and is sealed through a sealing ring 502 on the inner side of the elastic ring 501, then the movable sealing block 503 is extruded in a tapered groove formed by two movable sealing blocks 503 on a first layer and is pressed into the movable groove, then the gun head passes through the first layer of elastic ring 501 on a second layer and is extruded on the movable sealing block 503 on the second layer, and finally the gun head reaches the position of the filling port 2 and is injected with hydrogen energy; in the process, two layers of elastic rings 501 and movable sealing blocks 503 are arranged in the filling auxiliary pipe 3, so that external air cannot enter the filling port 2 when hydrogen energy is filled into the filling port 2, and the gun head needs to be pulled out after filling is completed, namely, in the process, the movable sealing blocks 503 on the second layer return to the initial position under the rebound resetting action of the resetting spring 505, namely, the movable sealing blocks 503 on the second layer are in close contact with each other to seal the filling port 2, and after the movable sealing blocks 503 on the first layer are completely pulled out, the gun head has excellent sealing performance.
Meanwhile, the sealing fastening assembly 4 is arranged on the side of the filling auxiliary pipe 3, so that the sealing performance of the filling port 2 is ensured, and further the stability of hydrogen energy filling work is ensured, for the sealing and locking of the filling auxiliary pipe 3, the fixing pin 401 is fastened through the screw 403, then the L-shaped locking strip 410 is clamped with the annular locking groove 406 on the outer side wall of the knob 404, the fixing is carried out through the mutual attraction of the arc-shaped magnetic strip 411 and the annular magnet 407, and the locking of the filling auxiliary pipe 3 can be completed.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. A filling port for filling hydrogen energy comprises a hydrogenation port (1) and a filling port (2), wherein the filling port (2) is arranged in the hydrogenation port (1); the method is characterized in that:
thread grooves are equidistantly formed in the side of the filling port (2), a filling auxiliary pipe (3) is connected to the filling port (2), the filling auxiliary pipe (3) is fastened and connected through a sealing and fastening component (4), and the filling auxiliary pipe (3) is sealed through a set filling auxiliary fitting (5);
the sealing and fastening assembly (4) comprises a fixing pin (401), a round hole (402), a screw (403), a knob (404), a rotary auxiliary convex column (405), an annular locking groove (406), an annular magnet (407), a supporting plate (408), a slot (409), an L-shaped locking strip (410) and an arc-shaped magnetic strip (411);
the filling auxiliary fitting (5) comprises an elastic ring (501), a sealing ring (502), a movable sealing block (503), a movable cavity (504), a return spring (505) and a semi-conical groove (506).
2. The filler neck for hydrogen filling according to claim 1, wherein: one end of the auxiliary filling pipe (3) is matched and tightly attached to the filling port (2), and the diameter of the filling port (2) is equal to the inner diameter of the auxiliary filling pipe (3).
3. The filler neck for hydrogen filling according to claim 1, wherein: fixed foot (401) equidistance is fixed to be set up in the one end lateral wall of filling auxiliary pipe (3), and is provided with round hole (402) on fixed foot (401), round hole (402) and thread groove looks adaptation threaded connection are passed in screw (403), and the fixed knob (404) that is provided with of one end of screw (403), the one end symmetry of knob (404) is fixed and is provided with rotatory supplementary projection (405), and the lateral wall of knob (404) is provided with annular locking groove (406), and fixes being provided with annular magnet (407) in annular locking groove (406), the fixed avris position that sets up in filler (2) of backup pad (408) equidistance, and be provided with slot (409) on backup pad (408), it is provided with L type locking strip (410) to peg graft in slot (409), the one end of L type locking strip (410) sets up to the arc concave surface, and the fixed arc magnetic stripe (411) that is provided with on the arc concave surface.
4. The filler neck for hydrogen filling according to claim 3, wherein: the round hole (402) corresponds to the side thread groove of the filling port (2) in arrangement position and has the same number of sets.
5. The filler neck for hydrogen filling according to claim 3, wherein: l type locking strip (410) and annular locking groove (406) set up the position corresponding, set up the group number the same, both looks adaptation joints, and arc magnetic stripe (411) and annular magnet (407) inter attraction on L type locking strip (410) one end arc concave surface.
6. The filler neck for hydrogen energy filling according to claim 1, wherein: the elastic ring (501) is fixedly arranged on the inner side wall of the filling auxiliary pipe (3), a sealing ring (502) is fixedly arranged at the position of a ring opening of the elastic ring (501), the movable cavities (504) are symmetrically arranged in the filling auxiliary pipe (3), movable sealing blocks (503) are movably arranged in the movable cavities (504), a reset spring (505) is fixedly arranged at one end of each movable sealing block (503), one end of each reset spring (505) is fixedly arranged in each movable groove, and a semi-conical groove (506) is formed in the other end of each movable sealing block (503).
7. The filler neck for hydrogen energy filling according to claim 6, wherein: four movable sealing blocks (503) are symmetrically arranged in the filling auxiliary pipe (3), two symmetrically arranged movable sealing blocks (503) form a group, the movable sealing blocks (503) are in close contact with each other in an initial state, and a half-cone groove (506) at the end part of each movable sealing block (503) forms a cone-shaped groove; two elastic rings (501) are arranged on the inner side wall of the filling auxiliary pipe (3), namely one elastic ring (501) and two movable sealing blocks (503) form a sealing structure, and the filling auxiliary pipe (3) is provided with two sealing structures.
8. The filler neck for hydrogen filling according to claim 6, wherein: the diameter of the opening of the elastic ring (501) is smaller than that of the opening of the tapered groove.
CN202211125079.1A 2022-09-15 2022-09-15 Filling port for filling hydrogen energy Active CN115489300B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211125079.1A CN115489300B (en) 2022-09-15 2022-09-15 Filling port for filling hydrogen energy

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Application Number Priority Date Filing Date Title
CN202211125079.1A CN115489300B (en) 2022-09-15 2022-09-15 Filling port for filling hydrogen energy

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CN115489300B CN115489300B (en) 2023-06-27

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1261010A (en) * 1969-04-28 1972-01-19 Euratom Pipe plug
US20050263526A1 (en) * 2004-05-28 2005-12-01 Asteer Co., Ltd. Fuel filler cap
KR20180089830A (en) * 2017-02-01 2018-08-09 한일튜브 주식회사 Pipe packing device for vehicle
DE102017208419A1 (en) * 2017-05-18 2018-11-22 Bayerische Motoren Werke Aktiengesellschaft Refueling arrangement of a vehicle
CN210941343U (en) * 2019-08-02 2020-07-07 武汉格罗夫氢能汽车有限公司 Sealing structure of hydrogen energy automobile filling port and hydrogen energy automobile
DE102019124178A1 (en) * 2019-09-10 2021-03-11 Bayerische Motoren Werke Aktiengesellschaft Fuel filling system
CN112937288A (en) * 2019-12-10 2021-06-11 现代自动车株式会社 Uncovered filler neck structure
CN217140253U (en) * 2022-03-07 2022-08-09 安徽润朗集录生物医药科技有限公司 Sealing and locking cover body of stirring kettle

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1261010A (en) * 1969-04-28 1972-01-19 Euratom Pipe plug
US20050263526A1 (en) * 2004-05-28 2005-12-01 Asteer Co., Ltd. Fuel filler cap
KR20180089830A (en) * 2017-02-01 2018-08-09 한일튜브 주식회사 Pipe packing device for vehicle
DE102017208419A1 (en) * 2017-05-18 2018-11-22 Bayerische Motoren Werke Aktiengesellschaft Refueling arrangement of a vehicle
CN210941343U (en) * 2019-08-02 2020-07-07 武汉格罗夫氢能汽车有限公司 Sealing structure of hydrogen energy automobile filling port and hydrogen energy automobile
DE102019124178A1 (en) * 2019-09-10 2021-03-11 Bayerische Motoren Werke Aktiengesellschaft Fuel filling system
CN112937288A (en) * 2019-12-10 2021-06-11 现代自动车株式会社 Uncovered filler neck structure
CN217140253U (en) * 2022-03-07 2022-08-09 安徽润朗集录生物医药科技有限公司 Sealing and locking cover body of stirring kettle

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