WO2012099212A1 - Élément de liaison d'armoire - Google Patents

Élément de liaison d'armoire Download PDF

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Publication number
WO2012099212A1
WO2012099212A1 PCT/JP2012/051107 JP2012051107W WO2012099212A1 WO 2012099212 A1 WO2012099212 A1 WO 2012099212A1 JP 2012051107 W JP2012051107 W JP 2012051107W WO 2012099212 A1 WO2012099212 A1 WO 2012099212A1
Authority
WO
WIPO (PCT)
Prior art keywords
nut
bolt
cabinet
receiving member
pair
Prior art date
Application number
PCT/JP2012/051107
Other languages
English (en)
Japanese (ja)
Inventor
計一 大野
賢治郎 関
富岡　和幸
Original Assignee
日本スチールケース株式会社
株式会社ニフコ
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 日本スチールケース株式会社, 株式会社ニフコ filed Critical 日本スチールケース株式会社
Publication of WO2012099212A1 publication Critical patent/WO2012099212A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B87/00—Sectional furniture, i.e. combinations of complete furniture units, e.g. assemblies of furniture units of the same kind such as linkable cabinets, tables, racks or shelf units
    • A47B87/007—Linkable independent elements with the same or similar cross-section
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B21/00—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings
    • F16B21/02—Releasable fastening devices locking by rotation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
    • F16B5/02—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread
    • F16B5/0208—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread using panel fasteners, i.e. permanent attachments allowing for quick assembly
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B87/00—Sectional furniture, i.e. combinations of complete furniture units, e.g. assemblies of furniture units of the same kind such as linkable cabinets, tables, racks or shelf units
    • A47B87/02—Sectional furniture, i.e. combinations of complete furniture units, e.g. assemblies of furniture units of the same kind such as linkable cabinets, tables, racks or shelf units stackable ; stackable and linkable
    • A47B87/0276—Stackable modular units, each consisting of a closed periphery

Definitions

  • the present invention relates to a cabinet connecting member for connecting two cabinets in which mounting holes are formed, in a state in which these mounting holes are overlapped so as to communicate with each other, by insertion into the mounting holes and subsequent rotation operation. Is.
  • Patent Document 1 Conventionally, as a cabinet connecting member, for example, there is Patent Document 1.
  • the stopper is provided with a collar portion and a retaining member at both ends of the shaft portion, and the stopper is passed through the two through holes of the two base members connected to each other and rotated 90 degrees around the shaft.
  • the mother body with 2 is attracted to each other.
  • the present invention provides a cabinet connecting member that can improve the assembly workability in consideration of the above facts.
  • a pair of receiving members attached to through holes formed in two cabinets to be connected, a bolt inserted into the pair of receiving members, and a front end portion of the bolt are screwed together.
  • a coupling mechanism provided with nuts inserted into the pair of receiving members; a bolt locking portion formed on the pair of receiving members and locking the heads of the bolts; and the pair of receiving members.
  • a nut locking portion formed to lock the nut, wherein the nut locking portion is configured to prevent rotation of the nut in a direction around the bolt shaft, and the bolt shaft direction.
  • a cabinet connecting member is provided, comprising: an axial contact portion that contacts the nut by movement of the nut.
  • the pair of receiving members are attached to the through holes formed in the two cabinets. Then, the coupling mechanism is inserted into the pair of receiving members, and after the head portion of the bolt is locked to the bolt locking portion of the one receiving member, the bolt is rotated in the direction around the bolt shaft to be screwed into the bolt. The nut thus engaged is locked to the rotation blocking portion of the nut locking portion of the other receiving member. Further, when the bolt is rotated in the direction around the bolt shaft, the nut moves in the bolt shaft direction and comes into contact with the axial contact portion of the nut locking portion, thereby bringing the pair of receiving members closer.
  • the cabinets can be connected without having to work from the side opposite to the insertion side only by rotating the bolt from one direction which is the insertion side of the connection mechanism. For this reason, assembly workability improves. Furthermore, since a pair of receiving members are used, the number of parts is reduced and the cost can be reduced.
  • a plurality of the nut locking portions may be formed at predetermined intervals along the circumferential direction of the pair of receiving members.
  • the nut locking portions are formed at predetermined intervals along the circumferential direction of the pair of receiving members, the nut easily comes into contact with the nut locking portion. For this reason, the assembly workability is further improved.
  • the bolt locking portion and the nut locking portion may be formed continuously.
  • the rotation of the nut before the nut locking portion is prevented from occurring on the inner peripheral portion of the pair of receiving members.
  • the guide part for this may be formed.
  • the coupling mechanism may be housed in the pair of receiving members in a state where the cabinet is coupled.
  • the connecting mechanism is housed inside the pair of receiving members in a state where the cabinets are connected, and the connecting mechanism does not protrude from the pair of receiving members. For this reason, other members abut on the connection mechanism, and the connection of the cabinet is not inadvertently released.
  • the first aspect of the present invention has the above-described configuration, the assembly workability can be improved. Further, the cost can be reduced.
  • the assembly workability can be further improved.
  • the rigidity of the pair of receiving members can be improved.
  • the fifth aspect of the present invention is configured as described above, it is possible to prevent the cabinet from being unintentionally released.
  • the cabinet connecting member 10 of this embodiment includes a pair of receiving members 12 and 14 and a connecting unit 16 (connecting mechanism), and the connecting unit 16 includes a bolt 18 and a nut 20.
  • the receiving member 12 can be attached to a through hole 28 formed in one cabinet 24 of the cabinets 24 and 26 connected to each other, and the receiving member 14 is attached to the other cabinet 26 of the cabinets 24 and 26 connected to each other. It can be attached to the formed through hole 30.
  • the insertion direction of the receiving member 12 into the through hole 28 formed in one cabinet 24 (the direction of arrow A in FIG. 8) and the insertion direction of the receiving member 14 into the through hole 30 formed in the other cabinet 26. (In the direction of arrow B in FIG. 8) is from opposite sides of the facing surfaces 24A and 26A of the cabinet 24 and the cabinet 26, respectively.
  • the bolt 18 of the connecting means 16 is provided with a head portion 18B larger than the diameter of the screw portion 18A at one end of the screw portion 18A, and a cross-shaped recess 36 is formed in the head portion 18B.
  • a stopper 38 larger than the diameter of the screw portion 18A is fixed to the other end of the screw portion 18A, and the nut 20 screwed to the screw portion 18A is prevented from falling off from the screw portion 18A by this stopper 38. It has become.
  • the shape of the head 18B of the bolt 18 may be other shapes such as a square or a hexagon in which the recess 36 is not formed.
  • a cylindrical collar 40 is provided on the outer periphery of the screw portion 18A of the bolt 18 with respect to the screw portion 18A in the axial direction of the bolt 18 (bolt axial direction, arrows C and D directions in FIG. 1) and the axial direction of the bolt 18 ( It is provided so as to be movable in the direction around the bolt shaft (in the direction of arrow E in FIG. 1).
  • a thin plate-shaped washer 42 is provided between the head 18B of the bolt 18 and the collar 40, and the inner diameter of the washer 42 is smaller than the outer diameter of the collar 40 and the outer diameter of the head 18B. Is larger than the outer diameter of the head 18B. For this reason, the washer 42 is also provided so as to be movable in the bolt axis direction and the direction around the bolt axis with respect to the screw portion 18A of the bolt 18.
  • the nut 20 of the connecting means 16 is formed of a long thin plate, and a screw hole formed in the central portion is screwed into the screw portion 18 ⁇ / b> A of the bolt 18.
  • the nut 20 is attached between a stopper 38 fixed to the bolt 18 and the collar 40.
  • the receiving member 12 of this embodiment is demonstrated.
  • the receiving member 14 of this embodiment is comprised with the same member and the same shape and material (for example, resin material) as the receiving member 12, description about the receiving member 14 is abbreviate
  • the main body 12A of the receiving member 12 has a cylindrical shape, and an annular flange 12B is formed at one end of the main body 12A.
  • a plurality of convex portions 44 are formed at predetermined intervals along the circumferential direction on the outer peripheral portion 12C of the main body portion 12A, and these convex portions 44 are formed along the axial direction of the main body portion 12A. ing.
  • the flange 12B of the main body 12A abuts on the peripheral edge of the through hole 28 and the main body 12A as shown in FIG.
  • the convex portion 44 of the outer peripheral portion 12 ⁇ / b> C comes into contact with the inner peripheral portion of the through hole 28.
  • the length of the main body 12 ⁇ / b> A of the receiving member 12 is equal to or shorter than the length of the through hole 28.
  • a bolt locking portion 50 is formed to protrude from the inner peripheral portion 12 ⁇ / b> D of the main body portion 12 ⁇ / b> A, and the bolt locking portion 50 extends along the circumferential direction of the main body portion 12 ⁇ / b> A. Two places are formed at intervals of 180 degrees.
  • the head 18 ⁇ / b> B of the bolt 18 is brought into contact with the bolt locking portion 50 of the main body portion 12 ⁇ / b> A via a washer 42.
  • the bolt 18 is easier to rotate than the configuration in which the portion 18B directly abuts.
  • it is good also as a structure which the head 18B of the volt
  • a nut locking portion 52 is formed to project from a portion of the inner peripheral portion 12 ⁇ / b> D of the main body portion 12 ⁇ / b> A that is deeper than the bolt locking portion 50 (on the opposite side to the flange portion 12 ⁇ / b> B).
  • the nut locking portions 52 are formed at two positions at intervals of 180 degrees along the circumferential direction of the main body portion 12A.
  • the nut locking portion 52 includes an axial contact portion 52A that contacts the nut 20 by movement of the nut 20 in the bolt shaft direction (arrow D direction in FIG. 1), and a direction around the bolt shaft of the nut 20 (in FIG. 1).
  • a rotation prevention part 52B that contacts the nut 20 by rotation in the direction of arrow E), and the axial contact part 52A and the rotation prevention part 52B are continuous. Further, the rotation blocking portion 52B of the nut locking portion 52 is continuous with the bolt locking portion 50, and a longitudinal shape through which the nut 20 can pass between the pair of nut locking portions 52 (bolt locking portions 50). It is the hole part 55 of this.
  • the rigidity of the receiving member 12 is improved by continuously forming the nut locking portion 52 and the bolt locking portion 50 on the inner peripheral portion 12D of the main body portion 12A.
  • a guide portion 56 is formed on the inner peripheral portion 12D of the main body portion 12A.
  • the guide portion 56 is formed so as to protrude along the axial direction of the main body portion 12A on the back surface side (the side opposite to the flange portion 12B) of the pair of nut locking portions 52 and the bolt locking portions 50.
  • the guide part 56 is made into the circular arc shape along the circumferential direction of 12 A of main-body parts.
  • the connecting means 16 when the connecting means 16 is passed through the receiving member 12 and the receiving member 14, the nut 20 of the connecting means 16 moves along the guide portion 56. For this reason, the nut 20 enters between the nut locking portion 52 of the receiving member 12 and the nut locking portion 52 of the receiving member 14, and it is difficult to pass the connecting means 16 between the receiving member 12 and the receiving member 14. Can be suppressed.
  • the total length of the connecting means 16 of the cabinet connecting member 10 is set smaller than the sum of the axial length of the receiving member 12 and the axial length of the receiving member 14. For this reason, in the state which connected one cabinet 24 and the other cabinet 26, the connection means 16 is accommodated in the inside of the receiving member 12 and the receiving member 14. As shown in FIG. 2, the total length of the connecting means 16 of the cabinet connecting member 10 is set smaller than the sum of the axial length of the receiving member 12 and the axial length of the receiving member 14. For this reason, in the state which connected one cabinet 24 and the other cabinet 26, the connection means 16 is accommodated in the inside of the receiving member 12 and the receiving member 14. As shown in FIG.
  • the receiving member 12 is attached to a through hole 28 formed in one cabinet 24 of the cabinets 24, 26 that connect the receiving members 12, and the other cabinet of the cabinets 24, 26 that connects the receiving members 14 to each other. It is attached to the through hole 30 formed in 26.
  • the insertion direction of the receiving member 12 and the receiving member 14 into the through holes 28 and 30 is from the opposite side of the facing surfaces 24A and 26A of the cabinets 24 and 26 (the direction of arrow A or arrow B in FIG. 8). . Further, the flange portion 12B of the main body portion 12A of the receiving member 12 is brought into contact with the peripheral edge portion of the through hole 28, and the flange portion 14B of the main body portion 14A of the receiving member 14 is brought into contact with the peripheral edge portion of the through hole 30. Further, the longitudinal direction of the hole 55 of the receiving member 12 and the longitudinal direction of the hole 55 of the receiving member 14 are aligned in the horizontal direction, for example.
  • the receiving member 14 is attached to the through hole 30 before the cabinet 24 and the cabinet 26 are arranged at the coupling position, the receiving member is arranged from the cabinet 26 side after the cabinet 24 and the cabinet 26 are arranged at the coupling position.
  • work which attaches 14 to the through-hole 30 becomes unnecessary.
  • the cabinet 24 and the cabinet 26 are arranged at the connection position, and it is confirmed that the longitudinal direction of the hole 55 of the receiving member 12 and the hole 55 of the receiving member 14 are matched.
  • the connecting means 16 is inserted into the hole 55 of the receiving member 12 and the hole 55 of the receiving member 14 from the distal end side (stopper 38 side), and the nut of the connecting means 16 is inserted. 20 is fed ahead of the nut locking portion 52 of the receiving member 14, and the head portion 18B of the bolt 18 is brought into contact with the bolt locking portion 50 of the main body portion 12A via the washer 42.
  • the bolt 18 is rotated in the fastening direction with a tool such as a Phillips screwdriver.
  • a tool such as a Phillips screwdriver.
  • the nut 20 together with the bolt 18 rotates in the direction around the bolt axis.
  • the rotated nut 20 comes into contact with the rotation preventing portion 52B of the nut locking portion 52 and is prevented from rotating.
  • the nut 20 moves in the bolt axial direction (in the direction of arrow D in FIG. 1), as shown in FIGS. Abutting on the abutting portion 52A.
  • the cabinet 24 and the cabinet 26 are connected only by rotating the bolt 18 in the fastening direction from one direction side of the cabinet 24 side that is the insertion side of the connecting means 16. Can be. For this reason, the cabinet 24 and the cabinet 26 can be put into a connected state without operating the connecting means 16 from the cabinet 26 side opposite to the insertion side of the connecting means 16. As a result, the assembly workability is improved.
  • connection means 16 is received by the receiving member 12 side. Since it is not limited to one with the member 14 side, assembly workability
  • the receiving member 12 and the receiving member 14 are the same member, the number of parts is reduced and the cost can be reduced.
  • locking part 52 is formed in two places at intervals of 180 degree
  • locking part 50 are continuously formed in the inner peripheral part 12D of the main body part 12A of the receiving member 12 and the receiving member 14, the nut locking The rigidity of the receiving member 12 and the receiving member 14 is improved as compared with a configuration in which the portion 52 and the bolt locking portion 50 are not continuously formed to protrude.
  • the connecting means 16 is inserted into the hole 55 of the receiving member 12 and the hole 55 of the receiving member 14 from the distal end side (stopper 38 side), and the nut 20 of the connecting means 16 is inserted into the receiving member 14.
  • the guide portion 56 formed on the inner peripheral portion of the receiving member 12 and the receiving member 14, in front of the nut locking portion 52 of the receiving member 14, that is, the receiving member 12.
  • the rotation of the nut 20 at the portion between the nut locking portion 52 and the nut locking portion 52 of the receiving member 14 is prevented.
  • the nut 20 can be easily fed ahead of the nut locking portion 52 of the receiving member 14, and can be locked to the nut locking portion 52 of the receiving member 14.
  • the assembly workability is further improved.
  • the total length of the connecting means 16 is set smaller than the sum of the axial length of the receiving member 12 and the axial length of the receiving member 14. For this reason, in the state which connected one cabinet 24 and the other cabinet 26, the connection means 16 is accommodated in the inside of the receiving member 12 and the receiving member 14. As shown in FIG. As a result, in a state where one cabinet 24 and the other cabinet 26 are connected, it is possible to prevent other members from coming into contact with the connecting means 16 and inadvertently releasing the connection between the cabinet 24 and the cabinet 26.
  • locking part 52 were formed in two places, the bolt latching

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Connection Of Plates (AREA)
  • Furniture Connections (AREA)

Abstract

Selon l'invention, si un boulon (18) d'un moyen de liaison (16) faisant partie d'un élément de liaison d'armoire (10) est tourné dans une direction autour d'un axe de boulon, un écrou (20) est également tourné et la rotation est interrompue lorsque l'écrou (20) est amené en contact avec une partie d'interruption de rotation (52B) d'une partie de verrouillage d'écrou (52) d'un élément de réception (14). Si le boulon (18) est encore tourné, l'écrou (20) est déplacé dans la direction de l'axe de boulon et est amené en contact avec une partie de butée axiale (52A) de la partie de verrouillage d'écrou (52). Puisqu'une partie de tête (18B) du boulon (18) est amenée en contact avec une partie de verrouillage de boulon (50) d'une partie de corps principale (12A) d'un élément de réception (12) avec une rondelle (42) disposée entre elles, une rotation supplémentaire du boulon (18) amène l'élément de réception (12) et l'élément de réception (14) à être poussés l'un vers l'autre de sorte qu'une armoire (24) soit reliée à l'autre armoire (26).
PCT/JP2012/051107 2011-01-20 2012-01-19 Élément de liaison d'armoire WO2012099212A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011-009977 2011-01-20
JP2011009977A JP2012149732A (ja) 2011-01-20 2011-01-20 キャビネット連結部材

Publications (1)

Publication Number Publication Date
WO2012099212A1 true WO2012099212A1 (fr) 2012-07-26

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Application Number Title Priority Date Filing Date
PCT/JP2012/051107 WO2012099212A1 (fr) 2011-01-20 2012-01-19 Élément de liaison d'armoire

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JP (1) JP2012149732A (fr)
WO (1) WO2012099212A1 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMI20131177A1 (it) * 2013-07-12 2015-01-13 Ansaldo Energia Spa Dispositivo di fissaggio reversibile
US20150030384A1 (en) * 2013-07-25 2015-01-29 Qubicaamf Worldwide, Llc Furniture system and arrangement thereof
WO2018185149A1 (fr) * 2017-04-04 2018-10-11 Franz Blum Système de paroi perforée et élément de fixation
WO2019081711A1 (fr) * 2017-10-26 2019-05-02 Moresy Gmbh Dispositif de stockage
US20210088061A1 (en) * 2019-09-25 2021-03-25 Signature Systems Group, Llc Connector Pin
CN112875486A (zh) * 2021-01-12 2021-06-01 航天科工空间工程发展有限公司 一种卫星吊装设备
CN117241954A (zh) * 2022-12-01 2023-12-15 牛步科技有限公司 部件单元和用于组装车身的结构
WO2024124273A1 (fr) * 2022-12-14 2024-06-20 Lycopodium Minerals Pty Ltd Ensemble de retenue d'élément d'usure

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112263102B (zh) * 2020-10-16 2022-04-26 北京国林系统家具有限公司 一种可自由组装的模块化收纳柜
KR102581764B1 (ko) * 2022-12-01 2023-09-25 주식회사 우보테크 부품 유닛 및 차체 조립 구조

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0673420U (ja) * 1993-03-31 1994-10-18 加藤発条株式会社 外装部品の取付構造
JP2010184621A (ja) * 2009-02-13 2010-08-26 Nissan Motor Co Ltd バッテリ固定装置およびバッテリ交換装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0673420U (ja) * 1993-03-31 1994-10-18 加藤発条株式会社 外装部品の取付構造
JP2010184621A (ja) * 2009-02-13 2010-08-26 Nissan Motor Co Ltd バッテリ固定装置およびバッテリ交換装置

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015004642A1 (fr) * 2013-07-12 2015-01-15 Ansaldo Energia S.P.A. Chambre de combustion de turbine à gaz ayant un dispositif de fixation réversible pour carreaux thermoisolants
ITMI20131177A1 (it) * 2013-07-12 2015-01-13 Ansaldo Energia Spa Dispositivo di fissaggio reversibile
US20150030384A1 (en) * 2013-07-25 2015-01-29 Qubicaamf Worldwide, Llc Furniture system and arrangement thereof
US10779646B2 (en) * 2013-07-25 2020-09-22 Qubicaamf Worldwide, Llc Furniture system and arrangement thereof
US11815119B2 (en) 2017-04-04 2023-11-14 Franz Blum Perforated wall system and fastening element
WO2018185149A1 (fr) * 2017-04-04 2018-10-11 Franz Blum Système de paroi perforée et élément de fixation
WO2019081711A1 (fr) * 2017-10-26 2019-05-02 Moresy Gmbh Dispositif de stockage
US20210088061A1 (en) * 2019-09-25 2021-03-25 Signature Systems Group, Llc Connector Pin
US11746811B2 (en) * 2019-09-25 2023-09-05 Signature Systems Group, Llc Connector pin
CN112875486B (zh) * 2021-01-12 2023-03-24 航天科工空间工程发展有限公司 一种卫星吊装设备
CN112875486A (zh) * 2021-01-12 2021-06-01 航天科工空间工程发展有限公司 一种卫星吊装设备
CN117241954A (zh) * 2022-12-01 2023-12-15 牛步科技有限公司 部件单元和用于组装车身的结构
CN117241954B (zh) * 2022-12-01 2024-04-19 牛步科技有限公司 部件单元和用于组装车身的结构
WO2024124273A1 (fr) * 2022-12-14 2024-06-20 Lycopodium Minerals Pty Ltd Ensemble de retenue d'élément d'usure

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