CN114655592B - Connecting device for IV-type hydrogen storage bottle and container - Google Patents

Connecting device for IV-type hydrogen storage bottle and container Download PDF

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Publication number
CN114655592B
CN114655592B CN202210301194.3A CN202210301194A CN114655592B CN 114655592 B CN114655592 B CN 114655592B CN 202210301194 A CN202210301194 A CN 202210301194A CN 114655592 B CN114655592 B CN 114655592B
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China
Prior art keywords
ball
hoop
ball hoop
key
supporting plate
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CN202210301194.3A
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Chinese (zh)
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CN114655592A (en
Inventor
陈志平
程智
缪好
陈凡
曹文红
夏明�
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Zhejiang Lanneng Hydrogen Technology Co ltd
Zhejiang University ZJU
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Zhejiang Lanneng Hydrogen Technology Co ltd
Zhejiang University ZJU
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Publication of CN114655592A publication Critical patent/CN114655592A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D90/00—Component parts, details or accessories for large containers
    • B65D90/004—Contents retaining means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D88/00—Large containers
    • B65D88/02—Large containers rigid
    • B65D88/12—Large containers rigid specially adapted for transport
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30—Hydrogen technology
    • Y02E60/32—Hydrogen storage

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pivots And Pivotal Connections (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

The invention discloses a connecting device of an IV-type hydrogen storage bottle and a container, which comprises a ball ring, a ball hoop, a supporting plate and the like. The ball ring is provided with a ball ring inner hole with threads and is connected with a neck thread section of the BOSS structure; the outer surface of the ball ring is provided with a spherical groove, and a damping gasket is arranged in the spherical groove; the outer side of the ball ring is provided with a ball hoop A and a ball hoop B, a spherical hole is arranged between the ball hoop A and the ball hoop B, a ball hoop key is arranged on the spherical hole, and the ball hoop key is contacted with the damping gasket and matched with the spherical groove; the outer side plane of the ball hoop B is connected with the supporting plate; the middle of the supporting plate is provided with a circular supporting plate inner hole which is matched with the neck smooth section of the BOSS structure, and the diameter of the supporting plate inner hole is smaller than the outer diameter of the shoulder of the BOSS structure so as to prevent the hydrogen storage bottle from axially moving. According to the invention, through the cooperation of the spherical groove, the damping gasket and the ball hoop key and the elastic deformation of the damping gasket, the circumferential rotation buffering of the hydrogen storage bottle is realized, the torque born by the connecting part of the BOSS structure and the bottle body can be reduced, and the safety and the service life of the IV-type hydrogen storage bottle are improved.

Description

Connecting device for IV-type hydrogen storage bottle and container
Technical Field
The invention relates to the field of normal-temperature compressed gas storage and transportation equipment, in particular to a connecting device of an IV-type hydrogen storage bottle and a container.
Background
Hydrogen energy is taken as a renewable clean energy source, is favored in the international range, and the hydrogen energy industry is continuously built and developed in China, wherein one of the hydrogen energy is the middle-short distance transportation of compressed hydrogen. In the transportation of normal-temperature high-pressure hydrogen, the IV-type hydrogen storage tube bundle container road transportation has the advantages of large capacity, high efficiency, flexibility, rapidness and the like, and is an important mode of hydrogen transportation.
The existing hydrogen storage tube bundle container is mainly characterized in that a hydrogen storage bottle and the container are completely fixed through flange internal threads, BOSS structure external threads and bolt assemblies, and relative movement between the hydrogen storage bottle and the container is forbidden. The fixed connection completely transmits load and deformation generated under the working conditions of thermal expansion and contraction, road transportation and the like to the bottle mouth, so that the strength requirement on the connecting part of the BOSS structure and the bottle body is higher. For the IV-type hydrogen storage bottle, as the liner is made of plastic, the connection between the liner and the BOSS structure is not as firm and reliable as the connection between the liner and the metal liner, and the strength requirement is difficult to meet. In addition, under the influence of factors such as production technology, material rigidity, etc., the quality eccentric and the deflection deformation of IV type hydrogen storage bottle are great, rotate more easily in the road transportation, further reduce the reliability of BOSS structure and bottle junction. Therefore, under the existing fixed connection mode, the IV-type hydrogen storage bottle is easy to damage in the service process, so that the connection is invalid, the service life is shortened, and even safety accidents are caused.
Disclosure of Invention
The invention aims to provide a connecting device of an IV-type hydrogen storage bottle and a container, which can buffer the circumferential rotation of the hydrogen storage bottle and reduce the load born by a connecting part so as to solve the defects in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the connecting device of the IV-type hydrogen storage bottle and the container comprises a ball ring, wherein the ball ring is provided with a ball ring inner hole with threads, and the ball ring inner hole is connected with a neck thread section of a BOSS structure; the outer surface of the ball ring is provided with a spherical groove, and a damping gasket is arranged in the spherical groove; the outer sides of the ball rings are provided with a ball hoop A and a ball hoop B, ball hoop keys are arranged on the ball hoops A and B, the ball hoop keys are contacted with the damping gaskets and matched with the spherical grooves, and the plane of the outer sides of the ball hoops B is connected with the supporting plate; the supporting plate is provided with a round supporting plate inner hole which is matched with the neck smooth section of the BOSS structure; the support plate is also provided with through holes for bolting the container end plates.
Preferably, the outer surface of the ball ring is a spherical surface, a circular ball ring inner hole is arranged in the middle of the ball ring, threads are arranged in the ball ring inner hole, and two sides of the ball ring are parallel planes and are perpendicular to the axis of the ball ring inner hole; the outer surface of the ball ring is provided with a plurality of spherical grooves uniformly distributed on the circumference, damping gaskets are respectively arranged on two inner side surfaces of the spherical grooves, and groove end baffles are arranged at the opening ends of the two ends of the spherical grooves so as to facilitate the installation of ball hoop keys and prevent the damping gaskets from falling off; the spherical groove can also be used as a clamping groove of a spanner, thereby being convenient for the assembly and disassembly of the threaded connection.
Preferably, the BOSS structure is axially divided into a shoulder and a neck, the neck is divided into two sections, one section is a neck thread section with threads on the outer surface, the other section is a neck smooth section with no threads on the outer surface, and the diameters of the neck thread section and the neck smooth section are equal; the neck thread section is in threaded connection with the inner hole of the ball ring; and at the connecting surface of the neck and the shoulder, the outer diameter of the shoulder is larger than that of the neck, so as to form a shoulder.
Preferably, the outer contours of the ball hoop A and the ball hoop B are cylindrical, a spherical hole corresponding to the outer surface of the ball ring is arranged in the middle of the ball hoop A and the ball hoop B, and the spherical shapes Kong Jingxiang of the ball hoop A and the ball hoop B are symmetrical; the spherical hole is provided with a ball hoop key corresponding to the spherical groove, and the ball hoop key is contacted with the damping gasket and matched with the spherical groove; the ball hoop A and the ball hoop B are respectively provided with a plurality of stepped through holes which are uniformly distributed along the axial direction, and the ball hoop B is provided with a threaded blind hole which corresponds to the stepped through holes of the ball hoop A, so that screw connection of the ball hoop A and the ball hoop B is realized, and the ball ring is limited in the ball hoop A and the ball hoop B.
Preferably, the outer contour of the supporting plate is cylindrical, and a threaded blind hole corresponding to the stepped through hole of the ball hoop B is arranged along the axial direction, so that the screw connection of the ball hoop B and the supporting plate is realized; the support plate is provided with a circular support plate inner hole along the axis, the support plate inner hole is in clearance fit with the neck smooth section of the BOSS structure, and the diameter of the support plate inner hole is smaller than the outer diameter of the shoulder, so that the axial movement of the BOSS structure is blocked; the supporting plate is also provided with a plurality of through holes uniformly distributed on the circumference for the bolt connection of the container end plate.
Preferably, the damping gasket is made of polyurethane rubber, polyester rubber and other materials with high wear resistance and high elasticity, and has good shock resistance and shock absorption and buffering performance. The damping gasket is arranged in the spherical groove and positioned between the spherical groove and the ball hoop key, when the hydrogen storage bottle circumferentially rotates, the ball ring drives the damping gasket to squeeze the ball hoop key, the damping gasket deforms, the ball hoop key is kept in the original state, and therefore the circumferential rotation of the BOSS structure at a small angle is allowed and limited, energy generated by rotation is absorbed through the damping gasket, and the torque born by the connecting part of the BOSS structure and the bottle body is relieved. As described above, the outer contours of the ball hoop a, the ball hoop B, and the support plate may be formed in a rectangular parallelepiped shape.
Compared with the prior art, the invention has the following beneficial effects:
(1) According to the invention, through the matching of the ball ring, the damping gasket and the key slot of the ball hoop and the elastic deformation of the damping gasket, the circumferential rotation buffering of the hydrogen storage bottle is realized, the torque born by the connecting part of the BOSS structure and the bottle body can be effectively reduced, and the safety of the IV-type hydrogen storage bottle is improved;
(2) According to the invention, through allowing the ball ring and the BOSS structure to rotate circumferentially at a small angle, the torque born by the threaded connection part of the ball ring and the BOSS structure is reduced, so that the abrasion and failure conditions of threads are slowed down, and the service life of the ball ring is effectively prolonged;
(3) According to the invention, through the design that the inner diameter of the supporting plate is smaller than the shoulder of the BOSS structure, the axial movement of the hydrogen storage bottle can be prevented, and the reliability of the connection between the hydrogen storage bottle and the container is effectively improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal connections of the overall structure of the present invention;
FIG. 3 is a schematic view of a ball and socket according to the present invention;
FIG. 4 is a schematic view of the ball and damping shim fit of the present invention;
FIG. 5 is a schematic diagram of a BOSS structure according to the present invention;
FIG. 6 is a schematic diagram of the fit of the ball ring and BOSS structure of the present invention;
FIG. 7 is a schematic view of a ball segment A according to the present invention;
FIG. 8 is a schematic view of a ball segment B of the present invention;
FIG. 9 is a schematic view of the ball-hoop A and ball-hoop B screw coupling of the present invention;
FIG. 10 is a schematic illustration of the internal connections of the ball hoop, ball ring and BOSS structure of the present invention;
FIG. 11 is a schematic view of the spherical groove, damping shim and ball-hoop key fit of the present invention;
FIG. 12 is a schematic view of a support plate of the present invention;
FIG. 13 is a schematic view of the ball-hoop B and support plate screw attachment of the present invention;
FIG. 14 is a schematic view of the support plate and BOSS structure of the present invention;
in the figure: 1. a ball ring; 101. an inner hole of the ball ring; 102. a spherical groove; 103. a slot end baffle; 2. a BOSS structure; 201. a neck; 202. a shoulder; 203. a neck thread section; 204. a neck smooth section; 205. a shoulder; 3. a ball hoop A; 301. a spherical hole A; 302. a ball hoop key A; 303. a stepped through hole A; 4. a ball hoop B; 401. a spherical hole B; 402. a ball hoop key B; 403. a step-shaped through hole B; 404. ball hoop thread blind hole; 41. a socket head cap screw of the ball hoop; 5. damping gaskets; 6. a support plate; 601. an inner hole of the support plate; 602. a support plate threaded blind hole; 603. a through hole; 61. and a supporting plate inner hexagon screw.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer and more clear, the present invention will be further described in detail with reference to the accompanying drawings and examples. It should be noted that the following specific examples are intended to illustrate the invention and are not intended to limit the invention.
Example 1
As shown in fig. 1-14, the invention provides a connection device of an iv-type hydrogen storage bottle and a container, which comprises a ball ring 1, wherein the ball ring 1 is provided with a ball ring inner hole 101 with threads, and the ball ring inner hole 101 is connected with a neck thread section 203 of a box structure 2; the outer surface of the ball ring 1 is provided with a spherical groove 102, and a damping gasket 5 is arranged in the spherical groove 102; the outer side of the ball ring 1 is provided with a ball hoop A3 and a ball hoop B4, the ball hoop A3 and the ball hoop B4 are respectively provided with a ball hoop key A302 and a ball hoop key B402, the ball hoop keys A302 and B402 are contacted with the damping gasket 5 and matched with the spherical groove 102, and the plane of the outer side of the ball hoop B4 is connected with the supporting plate 6; the supporting plate 6 is provided with a circular supporting plate inner hole 601, the supporting plate inner hole 601 is matched with the neck smooth section 204 of the BOSS structure 2, and the supporting plate 6 is provided with a supporting plate through hole 603 for carrying out bolt connection with the container end plate.
As shown in fig. 1-4, the outer surface of the ball ring 1 is a spherical surface, a circular ball ring inner hole 101 is arranged in the middle, threads are arranged in the ball ring inner hole 101, and two sides of the ball ring are parallel planes and are perpendicular to the axis of the ball ring inner hole 101; the outer surface of the ball ring is provided with a plurality of spherical grooves 102 uniformly distributed on the circumference, two inner side surfaces of the spherical grooves 102 are respectively provided with damping gaskets 5, and groove end baffles 103 are arranged at the opening ends of the two ends of the spherical grooves 102 so as to facilitate the installation of ball hoop keys A302 and B402 and prevent the damping gaskets 5 from falling off; the spherical surface groove 102 can also be used as a clamping groove of a spanner, so that the threaded connection can be conveniently assembled and disassembled.
As shown in fig. 5 and 6, the BOSS structure 2 is divided into a neck 201 and a shoulder 202 along the axial direction, the neck 201 is divided into two sections, one section is a neck threaded section 203 with threads on the outer surface, the other section is a neck smooth section 204 with no threads on the outer surface, and the diameters of the neck threaded section 203 and the neck smooth section 204 are equal; the neck thread section 203 is in threaded connection with the ball ring inner hole 101; at the interface of the neck 201 and the shoulder 202, the shoulder 202 has an outer diameter greater than the outer diameter of the neck 201, forming a shoulder 205.
As shown in fig. 7-11, the outer contours of the ball hoop A3 and the ball hoop B4 are cylindrical, a spherical hole a 301 and a spherical hole B401 corresponding to the outer surface of the ball ring 1 are arranged in the middle, and the spherical hole a 301 of the ball hoop A3 and the spherical hole B401 of the ball hoop B4 are in mirror symmetry; the ball-shaped hole A301 and the ball-shaped hole B401 are respectively provided with a ball hoop key A302 and a ball hoop key B402 corresponding to the spherical groove 102, and the ball hoop key A302 and the ball hoop key B402 are contacted with the damping gasket 5 and matched with the spherical groove 102; the ball hoop A3 and the ball hoop B4 are respectively provided with a plurality of stepped through holes A303 and stepped through holes B403 which are uniformly distributed along the circumference along the axial direction, and the ball hoop B4 is provided with a ball hoop B threaded blind hole 404 corresponding to the stepped through holes A303 in the ball hoop A3, so that screw connection of the ball hoop A3 and the ball hoop B4 is realized through the ball hoop inner hexagon screw 41, and the ball hoop 1 is limited in the ball hoop A3 and the ball hoop B4.
The damping gasket 5 is made of polyurethane rubber, polyester rubber and other materials with high wear resistance and high elasticity, and has good shock resistance and shock absorption and buffering performance. As shown in fig. 10 and 11, two damping gaskets 5 are installed in each spherical groove 102, the damping gaskets 5 are positioned in the middle of the spherical grooves 102, the ball hoop key a 302 and the ball hoop key B402, the left end and the right end of the damping gaskets 5 are contacted with groove end baffles 103, and the front main surface and the rear main surface of the damping gaskets 5 are respectively contacted with the spherical grooves 102, the ball hoop key a 302 and the ball hoop key B402; when the hydrogen storage bottle circumferentially rotates, the ball ring 1 drives the damping gasket 5 to press the ball hoop key A302 and the ball hoop key B402, the damping gasket 5 deforms, and the ball hoop key A302 and the ball hoop key B402 remain the same, so that the circumferential rotation of the BOSS structure 2 at a small angle is allowed and limited, and the energy generated by the rotation is absorbed through the damping gasket 5, so that the torque born by the connecting part of the BOSS structure 2 and the bottle body is relieved; as the hydrogen storage bottle is gradually reset, the torque gradually decreases and the damping shim 5 gradually returns to the original shape and position.
As shown in fig. 12-14, the outer contour of the support plate 6 is cylindrical, and a support plate threaded blind hole 602 corresponding to the stepped through hole B403 in the ball hoop B4 is arranged along the axial direction, so that the screw connection of the ball hoop B and the support plate 6 is realized through the support plate socket head cap screw 61; the supporting plate 6 is provided with a circular supporting plate inner hole 601 along the axis, the supporting plate inner hole 601 is in clearance fit with the neck smooth section 204 of the BOSS structure 2, and the diameter of the supporting plate inner hole 601 is smaller than the outer diameter of the shoulder 205, so that the axial movement of the BOSS structure 2 is blocked; the supporting plate 6 is also provided with a plurality of through holes 603 uniformly distributed on the circumference for bolting with the end plates of the container.
As described above, the ball hoop A3 and the ball hoop B4, and the ball hoop B4 and the support plate 6 are all coupled by the socket head cap screws, and due to the stepped through holes, the screw heads can be respectively placed in the ball hoop A3 and the ball hoop B4, and the end surfaces of the screw heads do not exceed the planes of the ball hoop A3 and the ball hoop B4, thereby ensuring seamless contact of the ball hoop A3, the ball hoop B4 and the support plate 6. Since the ball hoop A3 will block the stepped through hole 403 in the ball hoop B4 after the ball hoop A3 and the ball hoop B4 are screw-coupled, it is necessary to couple the support plate 6 and the ball hoop B4 before the ball hoop A3 and the ball hoop B4 are coupled at the time of installation.
As described above, the outer contours of the ball hoop A3, the ball hoop B4, and the support plate 6 may be rectangular parallelepiped.
While the basic principles, principal features and advantages of the present invention have been described in detail, it should be understood that the foregoing is by way of example only, and is not intended to limit the invention, but is to be construed as limited to the following claims.

Claims (5)

1. The utility model provides a connecting device of IV type hydrogen storage bottle and container which characterized in that: the ball ring comprises a ball ring (1), wherein the ball ring (1) is provided with a ball ring inner hole (101) with threads, and the ball ring inner hole (101) is connected with a neck thread section (203) of a BOSS structure (2); the outer surface of the ball ring (1) is provided with a spherical groove (102), and a damping gasket (5) is arranged in the spherical groove (102); the outer side of the ball ring (1) is provided with a ball hoop A (3) and a ball hoop B (4), the ball hoop A (3) and the ball hoop B (4) are respectively provided with a ball hoop key A (302) and a ball hoop key B (402), the ball hoop key A (302) and the ball hoop key B (402) are in contact with the damping gasket (5) and are matched with the spherical groove (102), and the outer side plane of the ball hoop B (4) is connected with the supporting plate (6); the support plate (6) is provided with a round support plate inner hole (601), and the support plate inner hole (601) is matched with the neck smooth section (204) of the BOSS structure (2); the supporting plate (6) is connected with the container end plate;
the outer surface of the ball ring (1) is a spherical surface, a circular ball ring inner hole (101) is arranged in the middle of the ball ring, threads are arranged in the ball ring inner hole (101), two sides of the ball ring (1) are parallel planes, and the two sides of the ball ring are perpendicular to the axis of the ball ring inner hole (101); the outer surface of the ball ring (1) is provided with a plurality of spherical grooves (102) uniformly distributed on the circumference, damping gaskets (5) are respectively arranged on two side surfaces of the spherical grooves (102), and groove end baffles (103) are arranged at the open ends of the two ends of the spherical grooves (102) so as to facilitate the installation of a ball hoop key A (302) and a ball hoop key B (402) and prevent the damping gaskets (5) from falling off;
the BOSS structure (2) is axially divided into a shoulder (202) and a neck (201), the neck (201) is divided into two sections, one section is a neck thread section (203) with threads on the outer surface, the other section is a neck smooth section (204) with no threads on the outer surface, and the diameters of the neck thread section (203) and the neck smooth section (204) are equal; the neck thread section (203) is in threaded connection with the ball ring inner hole (101); at the junction of the neck (201) and the shoulder (202), the shoulder (202) has an outer diameter greater than the outer diameter of the neck (201), forming a shoulder (205).
2. The device for connecting a type iv hydrogen storage bottle to a container of claim 1, wherein: the outer contours of the ball hoop A (3) and the ball hoop B (4) are cylindrical, and a spherical hole A (301) and a spherical hole B (401) which correspond to the outer surface of the ball hoop (1) are arranged in the middle, and the spherical hole A (301) of the ball hoop A (3) and the spherical hole B (401) of the ball hoop B (4) are in mirror symmetry; the ball-shaped holes A (301) and the ball-shaped holes B (401) are respectively provided with a ball hoop key A (302) and a ball hoop key B (402) which correspond to the spherical groove (102), and the ball hoop key A (302) and the ball hoop key B (402) are contacted with the damping gasket (5) and matched with the spherical groove (102); the ball hoop A (3) and the ball hoop B (4) are respectively provided with a plurality of stepped through holes A (303) and stepped through holes B (403) which are uniformly distributed along the axial direction, and the ball hoop B (4) is provided with a ball hoop B threaded blind hole (404) corresponding to the stepped through holes A (303) of the ball hoop A (3), so that screw connection of the ball hoop A (3) and the ball hoop B (4) is realized through a ball hoop inner hexagon screw (41), and the ball hoop (1) is limited in the ball hoop A (3) and the ball hoop B (4).
3. The device for connecting a type iv hydrogen storage bottle to a container of claim 1, wherein: the outer contour of the supporting plate (6) is cylindrical, and a supporting plate threaded blind hole (602) corresponding to the stepped through hole B (403) of the ball hoop B (4) is arranged along the axial direction, so that screw connection of the ball hoop B (4) and the supporting plate (6) is realized through a supporting plate inner hexagon screw (61); the supporting plate (6) is provided with a circular supporting plate inner hole (601) along the axis, the supporting plate inner hole (601) is in clearance fit with the neck smooth section (204) of the BOSS structure (2), and the diameter of the supporting plate inner hole (601) is smaller than the outer diameter of the shoulder (205), so that the axial movement of the BOSS structure (2) is blocked; the supporting plate (6) is also provided with a plurality of through holes (603) which are uniformly distributed on the circumference and are used for being connected with bolts of the container end plate.
4. The device for connecting a type iv hydrogen storage bottle to a container of claim 1, wherein: the outer contours of the ball hoop A (3), the ball hoop B (4) and the supporting plate (6) are cylindrical or cuboid.
5. A device for connecting a type iv hydrogen storage bottle to a container as claimed in any one of claims 1 to 4, wherein: the damping gasket (5) is arranged in the spherical groove (102), is positioned in the middle of the spherical groove (102) and the ball hoop key A (302) and the ball hoop key B (402), when the hydrogen storage bottle circumferentially rotates, the ball ring (1) drives the damping gasket (5) to squeeze the ball hoop key A (302) and the ball hoop key B (402), the damping gasket (5) deforms, the ball hoop key A (302) and the ball hoop key B (402) remain the same, so that the circumferential rotation of the BOSS structure (2) is allowed and limited, the energy generated by the rotation is absorbed by the damping gasket (5), and the torque born by the connecting part of the BOSS structure (2) and the bottle body is relieved.
CN202210301194.3A 2022-03-24 2022-03-24 Connecting device for IV-type hydrogen storage bottle and container Active CN114655592B (en)

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CN114655592B true CN114655592B (en) 2023-06-16

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