WO2016095813A1 - 可折叠式容器 - Google Patents

可折叠式容器 Download PDF

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Publication number
WO2016095813A1
WO2016095813A1 PCT/CN2015/097473 CN2015097473W WO2016095813A1 WO 2016095813 A1 WO2016095813 A1 WO 2016095813A1 CN 2015097473 W CN2015097473 W CN 2015097473W WO 2016095813 A1 WO2016095813 A1 WO 2016095813A1
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WO
WIPO (PCT)
Prior art keywords
elastic member
base
hinge pin
groove
hinge
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/CN2015/097473
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English (en)
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Hongyan Returnable Transit Packagings Co Ltd
Original Assignee
Shanghai Hongyan Returnable Transit Packagings Co Ltd
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 Shanghai Hongyan Returnable Transit Packagings Co Ltd filed Critical Shanghai Hongyan Returnable Transit Packagings Co Ltd
Priority to EP15869320.0A priority Critical patent/EP3235748B1/en
Priority to US15/537,200 priority patent/US11572228B2/en
Publication of WO2016095813A1 publication Critical patent/WO2016095813A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • B65D19/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D19/02—Rigid pallets with side walls, e.g. box pallets
    • B65D19/06—Rigid pallets with side walls, e.g. box pallets with bodies formed by uniting or interconnecting two or more components
    • B65D19/18—Rigid pallets with side walls, e.g. box pallets with bodies formed by uniting or interconnecting two or more components made wholly or mainly of plastics material
    • 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
    • B65D88/52—Large containers collapsible, i.e. with walls hinged together or detachably connected
    • B65D88/522—Large containers collapsible, i.e. with walls hinged together or detachably connected all side walls hingedly connected to each other or to another component of the container
    • 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
    • B65D11/00—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of plastics material
    • B65D11/18—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of plastics material collapsible, i.e. with walls hinged together or detachably connected
    • B65D11/1833—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of plastics material collapsible, i.e. with walls hinged together or detachably connected whereby all side walls are hingedly connected to the base panel
    • 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
    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004—Details relating to pallets
    • B65D2519/00009—Materials
    • B65D2519/00014—Materials for the load supporting surface
    • B65D2519/00034—Plastic
    • 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
    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004—Details relating to pallets
    • B65D2519/00009—Materials
    • B65D2519/00049—Materials for the base surface
    • B65D2519/00069—Plastic
    • 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
    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004—Details relating to pallets
    • B65D2519/00009—Materials
    • B65D2519/00154—Materials for the side walls
    • B65D2519/00174—Plastic
    • 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
    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004—Details relating to pallets
    • B65D2519/00258—Overall construction
    • B65D2519/00313—Overall construction of the base surface
    • B65D2519/00318—Overall construction of the base surface made of one piece
    • 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
    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004—Details relating to pallets
    • B65D2519/00258—Overall construction
    • B65D2519/00313—Overall construction of the base surface
    • B65D2519/00328—Overall construction of the base surface shape of the contact surface of the base
    • B65D2519/00333—Overall construction of the base surface shape of the contact surface of the base contact surface having a stringer-like shape
    • 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
    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004—Details relating to pallets
    • B65D2519/00258—Overall construction
    • B65D2519/00492—Overall construction of the side walls
    • B65D2519/00497—Overall construction of the side walls whereby at least one side wall is made of one piece
    • 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
    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004—Details relating to pallets
    • B65D2519/00547—Connections
    • B65D2519/00577—Connections structures connecting side walls, including corner posts, to each other
    • B65D2519/00582—Connections structures connecting side walls, including corner posts, to each other structures intended to be disassembled, i.e. collapsible or dismountable
    • B65D2519/00611—Connections structures connecting side walls, including corner posts, to each other structures intended to be disassembled, i.e. collapsible or dismountable side walls maintained connected to each other by means of auxiliary locking elements, e.g. spring loaded locking pins
    • 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
    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004—Details relating to pallets
    • B65D2519/00547—Connections
    • B65D2519/00636—Connections structures connecting side walls to the pallet
    • B65D2519/00641—Structures intended to be disassembled
    • B65D2519/00646—Structures intended to be disassembled by means of hinges
    • B65D2519/00656—Structures intended to be disassembled by means of hinges separately formed
    • 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
    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004—Details relating to pallets
    • B65D2519/00736—Details
    • B65D2519/00865—Collapsible, i.e. at least two constitutive elements remaining hingedly connected
    • B65D2519/00875—Collapsible, i.e. at least two constitutive elements remaining hingedly connected collapsible side walls
    • B65D2519/009—Collapsible, i.e. at least two constitutive elements remaining hingedly connected collapsible side walls whereby all side walls are hingedly connected to the base panel

Definitions

  • the present invention relates to containers, and in particular to collapsible containers, such as totes.
  • Modern plastic large folding containers are mostly composed of a base and two pairs of side plates, and the side plates are connected to the base by a hinge mechanism, so that the side plates can be folded onto the base with respect to the rotation of the base.
  • the hinge mechanism is often designed such that the side panels can be disorderly folded, that is, when folded, the opposite two side panels can be folded in any order, so that the user does not have to worry about the folding sequence when folding the side panels.
  • the folding action can be completed regardless of folding any of the opposite side panels. Therefore, this hinge mechanism is also called a disordered hinge.
  • the above design reduces the production cost and eliminates the inconvenience of the production and management of the conventional ordered hinged folding container to the side panels.
  • Patent applications such as CN201110295485.8 and US5938059A are known from such inventions.
  • the Applicant has found that the above-mentioned disordered hinges have one drawback: after the opposite side panels are folded with the disordered hinges, the rear folded side panels lie flat on the first folded side panels, and the hinge mechanism is lifted to a height.
  • the hinged portion of the upper side panel that needs to fall down from the flat to the upright position needs to fall to the starting position on the base. If the upper side panel is turned to an upright angle or close to an upright angle and the hinge portion is not completely lowered into position, some structures on the side panel (such as the side panel buckle relative to the base) interfere with the base, and the side panel hinge Parts of the mechanism or base may be damaged.
  • the present invention provides a foldable container comprising a base and two pairs of side panels, the side panels being mounted on the base by a hinge mechanism so as to be foldable relative to the base,
  • the hinge mechanism comprises:
  • One or more protrusions extending from a lower portion of the side panel, the extension of the side panel is provided with a hinge pin Loading department
  • a connecting member capable of moving up and down along the guiding structure, and the connecting member is provided with a hinge pin engaged with the hinge pin mounting portion, the hinge pin being received in the hinge pin mounting portion and Being rotatable in the hinge pin mounting portion;
  • An elastic member having one end connected to the base and the other end connected to the connecting member, wherein the elastic member is in the connecting member during the rotation of the side plate from the folded state to the erect state A force is applied to drive the connector to move downward.
  • the elastic member is compressed when the side panel is in a folded state.
  • the guiding structure is provided with an elastic member receiving groove, the elastic member is received in the elastic member receiving groove, and an upper end of the elastic member is connected to the base and a lower end is connected to the Connector.
  • the elastic member is a spring
  • the guiding structure is provided with a spring receiving groove
  • the spring is received in the spring receiving groove
  • the upper end of the spring is fixedly connected to the base
  • the board is limited and the lower end is connected to the connector.
  • the guiding structure is a straight column disposed on the open side, and the straight column is provided with an elastic member receiving groove, and the elastic member is received in the elastic receiving groove;
  • the outer side of the connecting member is provided with the hinge pin, and the middle portion of the connecting member is provided with a through groove along the height direction of the container, and the through groove is provided with an elastic member mounting post, wherein the connecting piece is provided with a through sleeve.
  • a groove for avoiding the straight column is provided on the protruding portion.
  • a stiffener is connected between the straight post and the base.
  • a groove is disposed on both sides of the upper portion of the straight column, and the cover plate is provided with a hanging platform, and the hanging table is engaged with the groove to connect the cover plate to the straight a post and the upper end of the resilient member abuts the underside of the cover.
  • the hinge pin is provided with a straight slot
  • the hinge pin mounting portion is an open slot
  • a boss is provided at the mouth of the open slot, so that the width of the open slot portion is smaller than
  • the diameter of the hinge pin is greater than the width of the hinge pin provided with a straight cut groove portion.
  • the guiding structure is a guiding groove disposed on two sides of the open side, the elastic member is received in the guiding groove; and a middle portion of the connecting member is a hinge pin, and two ends are respectively provided Elastic connection And a guiding groove respectively received on both sides of the open side, wherein an upper end of the elastic member is limited by a cover plate, and a lower end is connected to the elastic member connecting portion.
  • the elastic member is a spring
  • the two ends of the connecting member each extend a sliding plate
  • the elastic member mounting portion is a protruding pin disposed on the sliding plate
  • the lower end sleeve of the spring Into the lug.
  • a plurality of hanging platforms are respectively disposed on two sides of the protruding portion, and a hanging slot is disposed at a corresponding position of the base, and the hanging platform cooperates with the hanging slot to limit the side plate Moves up and down relative to the base in the upright position.
  • a foldable container comprising a base and two pairs of side panels, the side panels being mounted on the base by a hinge mechanism so as to be foldable relative to the base , characterized in that the hinge mechanism comprises:
  • a protruding portion extending from a lower portion of the side plate, the protruding portion of the side plate is provided with a hinge pin;
  • An elastic member one end of the elastic member is coupled to the base, and the other end is coupled to the protrusion, so that the elastic member faces the protrusion during the rotation of the side plate from the folded state to the upright state A force is applied to drive the extension to move downward.
  • the open side portion is provided with an elastic member receiving groove
  • the elastic member is received in the elastic member receiving groove
  • an upper end of the elastic member is connected to the protruding portion and a lower end is fixed to the lower end.
  • the elastic member receives the groove.
  • the hinge pin is disposed on one side or both sides of the protruding portion, and a middle portion of the protruding portion is provided with a hanging pin;
  • the elastic member is a tension spring, and one end of the tension spring is provided a hook; wherein one end of the tension spring is fixed in the elastic member receiving groove, and the other end with a hook is connected to the hanging pin.
  • the invention solves the drop delay of the hinge of the large container side plate, and can be well applied to the operation habits of various users, has novel structure and ingenious design.
  • Figure 1 is a perspective view showing the structure of a general large foldable container
  • Figure 2 is a schematic view showing the structure of a first embodiment of a hinge mechanism of a collapsible container according to the present invention, For the sake of clarity, only a portion of the side panels and the base are shown;
  • Figure 3 is an exploded perspective view of Figure 2;
  • Figure 4 is a perspective view showing the structure of the base portion of Figure 2;
  • Figure 5 is a cross-sectional view taken along line E-E of Figure 4.
  • Figure 6 is a perspective view showing the structure of the side plate portion of Figure 2;
  • Figure 7 is a cross-sectional view taken along line F-F of Figure 6;
  • Figure 8 is a perspective view of the connector of Figure 2;
  • Figure 9 is a perspective view of the cover of Figure 2.
  • 10-12 are cross-sectional views showing a process in which a side panel is turned from a folded state to an upright state
  • Figure 13 is a schematic view showing the structure of a second embodiment of the hinge mechanism of the collapsible container according to the present invention, showing only a part of the side plate and the base for the sake of clarity;
  • Figure 14 is an exploded perspective view of Figure 13;
  • Figure 15 is a perspective view showing the structure of the base portion of Figure 13;
  • Figure 16 is a perspective view showing the structure of the side plate portion of Figure 13;
  • Figure 17 is a perspective view of the connector of Figure 13;
  • Figure 18 is a view showing the structure of a third embodiment of the hinge mechanism of the collapsible container according to the present invention.
  • Figure 19 is a perspective view showing the structure of the base portion of Figure 18;
  • Figure 20 is a perspective view showing the structure of the side plate portion of Figure 18;
  • Figure 21 is a perspective view of the spring of Figure 18.
  • a typical collapsible large container includes a base 1 and two pairs of side panels 2, each of which is mounted on the base 2 by a hinge mechanism so as to be foldable relative to the base 2. These containers are usually made of plastic material.
  • a latch 4 is usually provided on the side panel 2 for controlling the connection between the adjacent side panels 2, 3.
  • a small door may be provided on the side panels 2, 3, and optionally a cover (not shown) at the top of the container.
  • the following embodiment illustrates only a portion of the side panels and the base mating hinge scheme.
  • the hinge mechanism 100 includes: one or more protruding portions 31 extending from a lower portion of the side plate 3, and the protruding portion 31 is provided with a hinge pin mounting portion 35, specifically a hinge groove 35;
  • the open side portion 11 corresponding to the protruding portion 31 the open side portion 11 is provided with a guiding structure 14 , specifically a straight column 14 ;
  • the connecting member 5 the connecting member 5 can move up and down along the straight column 14 , thereby
  • the connecting member 5 is movable up and down with respect to the base 1, and the connecting member 5 is provided with a hinge pin 51 engaged with the hinge groove 35.
  • the hinge pin 51 is received in the hinge groove 35 and can be rotated in the hinge groove 35, so that the side plate 3 Rotatablely mounted on the connecting member 5; and an elastic member 8, specifically a spring 8, one end of the spring is connected to the base 1, and the other end is connected to the connecting member 5, specifically, the upper end of the spring 8 abuts against the cover 6, the lower end Attached to the connector 5 such that during the rotation of the side panel from the folded state to the upright state, the elastic member applies a force to the connector, thereby driving the connector 5 to move downward, as will be described in further detail below. .
  • a tamper-evident tab 7 can be inserted between the cover 6 and the base to prevent the side panels from being removed without being noticed.
  • Figures 4 and 5 show the structure of the base 1 associated with the hinge mechanism.
  • the base 1 has an open side portion 11 with two hanging grooves 12, 13 on both sides, and a straight column 14 in the middle of the open side portion 11
  • the middle portion of the column 14 is a spring groove 15 that can accommodate the spring 8
  • a rib 18 is connected between the straight column 14 and the base 1 to ensure the strength of the straight column 14.
  • the upper portion of the straight column 14 has a slit 17 and a recess 19 for engaging the cover 6 to fix the cover, as will be described in further detail below.
  • the lower portion of the side panel 3 is provided with a projecting portion 31.
  • the two sides of the projecting portion 31 are distributed with the hanging platforms 32, 33 and the base 1
  • the hanging grooves 12 and 13 cooperate to restrict the side plate 3 from moving up and down relative to the base 1 when in the upright state.
  • the central portion of the protruding portion 31 is provided with a recess 34 for escaping the straight column 14 and a recess 36 for accommodating the connecting member 5.
  • the recess 36 is provided on both sides of the recess 36, and the mouth of the hinge slot is designed with a small boss 37.
  • the mouth width of the hinge groove 35 is made dx.
  • the structure of the connecting member 5 is as shown in FIG. 7.
  • the connecting member 5 has a hinge pin 51 on each side of the main body, and the hinge pin is at a certain angle (the hinge pin does not rotate to the specific angle during the rotation of the side plate, Thus, the hinge pin does not have a straight slot on the hinge slot (or hinge hole) during rotation.
  • the hinge pin 51 has a width dy which is slightly smaller than the above dx, so that the connecting member 5 can only be loaded into the hinge groove 35 of the side panel 3 at the specific angle.
  • the middle portion of the connecting member 5 is a through groove 52 for passing through the straight column 14 on the base 1 and can be moved up and down along a certain distance.
  • the middle of the through groove 52 has a spring mounting post 53 with a spring 8 attached thereto, and the chamfer 56 is increased.
  • the connection strength between the spring mounting post 53 and the main body of the connecting member 5; the groove 54 is cut to avoid the rib 18 on the base 1.
  • cover plate 6 which protrudes inwardly from the two hanging platforms 62, and has a limiting hanging platform 63 at the starting end of the hanging bracket 62 inserted into the slot 1 of the base 1 and has a guiding bevel 64, the cover plate 6 A slot 61 that can be removed using a slotted screwdriver tool is also provided.
  • the working process of the hinge mechanism of this embodiment is as shown in Figs. 10-12.
  • the back folded piece of the two opposite side plates 3 lies on the side panel 3 which is first folded.
  • the hinge portion is raised by a height of about one side panel thickness.
  • the spring 8 is compressed and is in a state of accumulating force, but its strength is insufficient to lift the side panel 3 with pi as a fulcrum.
  • the hinge mechanism When it is rotated with pi as a fulcrum, the hinge mechanism automatically moves down the straight column 14 on the base 1 by a certain distance.
  • the hinge pin 51 When the hinge pin 51 is used as the rotating shaft, the side plate 3 placed above will leave the fulcrum pi during the rotation, at which time the spring 8 releases the accumulating force to push the hinge mechanism down the straight column 14.
  • a spring is used to apply a force to the connecting member, however, other elastic members such as rubber blocks may be employed to apply a force to the connecting member, and the effect of the present invention can also be achieved.
  • the spring is placed above the connecting member 5, that is, the upper end of the spring is connected to the base, and the lower end is connected to the connecting member 5, so that when the collapsible container is in the folded state, the spring is compressed, and During compression of the side panels from compression to erection, the compression of the spring is gradually released, applying downward pressure to the connector to urge the connector to move downward.
  • the spring (or other elastic member) can also be placed under the connector, ie the upper end of the spring is connected to the connector 5 and the lower end is connected to the base so that the spring is stretched when the collapsible container is in the folded state. While the side plate is rotated from compression to erect, the spring is retracted, thereby applying a downward pulling force to the connector to urge the connector to move downward.
  • FIG. 13 to 17 show a hinge mechanism 200 according to a second embodiment of the present invention.
  • the hinge mechanism 200 of this embodiment employs two springs 8 for the resetting of the hinge mechanism, and the cover plate 9 is fixed by means of screw fastening, which slightly increases the installation difficulty, but is appropriately reduced. The difficulty of manufacturing parts.
  • the side panel 1 has an open side portion 11 , and the two sides of the open side portion 11 are designed with a guiding groove 15 so that the connecting member 1 a can be moved up and down along a certain distance, and the side of the guiding groove 15 has a screw hole 19 for mounting the screw 10 ,
  • the hanging grooves 12, 13 are distributed on both sides of the open side portion 11.
  • the projecting portion 31 of the side panel 3 is provided with a hinge groove 35, and the opening portion of the hinge groove 35 is provided with small bosses 37 having the same functions as those of the above-described configuration, and the hanging table 32 is distributed on both sides of the projecting portion 31.
  • the main body of the connecting member 1a is a horizontal pin 1a1, and the two ends are designed to be mounted with a spring 8 and can be moved up and down with the guiding groove 15 to have a sliding plate 1a3, the upper pin 1a4 of the sliding plate 1a3, and the protruding pin 1a4 is used as a spring mounting seat.
  • the cross pin 1a1 has a vertical slit 1a2 so that the connecting member 1a1 can be loaded into the hinge groove 35 when the side plate 3 is folded in a flat state.
  • FIGS. 18 to 21 are views showing the structure of a third embodiment of the hinge mechanism 300 of the collapsible container according to the present invention.
  • This embodiment is similar to the second embodiment.
  • the main difference between the two is that in the embodiment, the connecting member and the protruding portion of the side plate are integrated, and the elastic member is provided with a tension spring 8 and one end of the tension spring 8 Connected to the base and connected to the extension at the other end, so that the tension spring 8 applies a pulling force to the extension portion 31 during the rotation of the side panel from the folded state to the upright state, thereby driving the extension portion 31 downward. mobile.
  • the side plates 3 are provided with hanging platforms 32 and 33 on both sides of the protruding portion 31, and the groove grooves 12 and 13 are provided on both sides of the groove of the base, and the two side walls of the groove are provided.
  • the same straight slot 15 is provided.
  • the mouth of the straight slot is provided with a screw hole 19 into which a cover plate (similar to the cover plate 9 in Fig. 14) can be mounted.
  • the mounted cover plate can limit the distance that the side panel hinge pin 38 floats in the straight slot and prevent it from coming out.
  • a hanging pin 35 is disposed below the middle portion of the extension portion 31 of the side panel, and the hooks 81 for the tension spring 8 are connected such that one end of the tension spring is coupled to the extension portion.
  • a lower portion of the base recess 11 is provided with a groove 20 for receiving a tension spring.
  • the groove 20 is provided with a boss 21 to connect the other end 82 defining the tension spring 8.
  • the hinge mechanism of the present invention adopts an elastic resetting structure, so that the side plate is forced to move downward at the same time in the process of flipping from the folded state to the upright state, thereby driving the side plate connected to the connecting member simultaneously. Move down to solve the problem of component damage caused by the extension of the side panel hinge.
  • the hinge mechanism of the present invention regardless of the operator's habit, the position of the center of gravity of the side panel and the tolerance of the hinge of the side panel and the base do not cause the hinge to delay falling, thereby completely solving the folding of the side panel. The problem of accidentally damaging the container when the state is flipped to the upright state.
  • the invention is particularly suitable for large containers, especially large foldable totes.
  • the large container refers to a container having a capacity of 800 L or more.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rigid Containers With Two Or More Constituent Elements (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Closures For Containers (AREA)

Abstract

一种可折叠式容器，包括一个底座（1）和两对侧板（2，3），所述侧板通过铰链机构（100，200）以可相对于所述底座折叠的方式安装在所述底座（1）上。该铰链结构设有弹性复位结构，从而在侧板从折叠状态翻转到直立状态的过程中，侧板上的铰链结构同步向下移动，解决了现有技术中铰链延迟下落的问题，且能很好的适用于各种使用者的操作习惯，结构新颖，构思巧妙。

Description

可折叠式容器 技术领域
本发明涉及容器，具体涉及可折叠式容器，例如周转箱。
背景技术
现代的塑胶类大型折叠容器大多由一个底座以及两对侧板组成，侧板通过铰链机构与底座连接，从而各侧板可相对于底座旋转而折叠到底座上。通常来说，两对侧板中其中一对较长，另一对则稍短，可选的某个侧板上能够带有小门。其中，该铰链机构往往设计成使得侧板能够实现无序折叠，即在折叠时，相对的两块侧板为可以以任意的顺序折叠，这样使用者在折叠侧板的时候不必顾虑折叠的顺序，无论先折叠对侧侧板中的任何一块都可以完成折叠动作。因此，这种铰链机构也称为无序铰链。上述的设计降低了生产成本，免去了常规有序铰链折叠容器对侧侧板不同带来的生产和管理之不便。这类发明已知的有专利申请CN201110295485.8和US5938059A等。
然而，申请人发现，上述无序铰链均存在一个弊端：采用无序铰链的对侧侧板折叠后，后折叠的侧板平躺在先折叠的侧板之上，铰链机构被抬起一个高度，当需要将侧板直立时，置于上方的侧板在由平躺至直立的旋转过程中其铰链部位需要下落至底座上的起始位置。如果该上置的侧板翻转到直立角度或接近直立角度而铰链部位未完全下落到位时，侧板上的某些结构(如侧板相对于底座的扣)就会和底座干涉，侧板铰链机构或底座局部可能就会被损坏。
发明内容
本发明的目的是提供一种解决可折叠容器中，侧板在从折叠状态翻转至直立状态时，侧板上铰链延迟落下的问题。
为实现上述目的，本发明提供了一种可折叠式容器，包括一个底座和两对侧板，所述侧板通过铰链机构以可相对于所述底座折叠的方式安装在所述底座上，其特征在于，所述铰链机构包括：
从所述侧板下部伸出的一个或多个伸出部，所述侧板的伸出部设有铰链销安 装部；
设置于所述底座上的与所述一个或多个伸出部相对应的一个或多个开放侧部，所述开放侧部设有导向结构；
连接件，所述连接件能够沿所述导向结构上下移动，且所述连接件上设有与所述铰链销安装部配合的铰链销，所述铰链销容纳于所述铰链销安装部中并能够在所述铰链销安装部中转动；以及
弹性件，所述弹性件的一端连接于所述底座，另一端连接于所述连接件，从而在所述侧板从折叠状态旋转至直立状态的过程中，所述弹性件对所述连接件施加力，从而驱动所述连接件向下移动。
较佳地，当所述侧板处于折叠状态时，所述弹性件被压缩。
一优选实施例中，所述导向结构上设有弹性件容纳槽，所述弹性件容纳于所述弹性件容纳槽内，且所述弹性件的上端连接于所述底座而下端连接于所述连接件。
一优选实施例中，所述弹性件为弹簧，所述导向结构上设有弹簧容纳槽，所述弹簧容纳于所述弹簧容纳槽内，所述弹簧的上端由固定连接于所述底座的盖板限位而下端连接于所述连接件。
一优选实施例中，所述导向结构为设置于所述开放侧部上的直柱，所述直柱中设有弹性件容纳槽，所述弹性件容纳于所述弹性容纳槽中；以及所述连接件的外侧设有所述铰链销，且所述连接件的中部设有沿容器高度方向的通槽，所述通槽内设有弹性件安装柱，其中所述连接件的通槽套入所述直柱且所述弹性件安装柱与所述弹性件的下端连接，而所述弹性件的上端由位于所述通槽上方的盖板限位。
较佳地，在所述伸出部上设有避让所述直柱的凹槽。
一优选实施例中，在所述直柱与所述底座之间连接有加强筋。
一优选实施例中，所述直柱的上部两侧设有凹槽，所述盖板上设有挂台，所述挂台卡入所述凹槽而使得所述盖板连接于所述直柱，且所述弹性件的上端抵靠所述盖板的下侧。
一优选实施例中，所述铰链销上设有直切槽，所述铰链销安装部为开口槽，在所述开口槽的口部设有凸台，使得所述开口槽口部的宽度小于所述铰链销的直径并大于所述铰链销的设有直切槽部分的宽度。
一优选实施例中，所述导向结构为设置于所述开放侧部两侧的导向槽，所述弹性件容纳于所述导向槽；以及所述连接件中部为铰链销，两端分别设有弹性件连接 部并分别容纳于所述开放侧部两侧的导向槽，其中所述弹性件的上端由盖板限位，下端与所述弹性件连接部连接。
一优选实施例中，所述弹性件是弹簧，且所述连接件的两端各延伸出一个滑板，所述弹性件安装部为设置于所述滑板上的凸销，所述弹簧的下端套入所述凸销。
一优选实施例中，所述伸出部的两侧分别设置有限位挂台，所述底座相对应位置处设有挂槽，所述挂台和所述挂槽相配合从而限制所述侧板在直立状态时相对于底座上下移动。
根据本发明的另一方面，还提供了一种可折叠式容器，包括一个底座和两对侧板，所述侧板通过铰链机构以可相对于所述底座折叠的方式安装在所述底座上，其特征在于，所述铰链机构包括：
从所述侧板下部伸出的一个或多个伸出部，所述侧板的伸出部设有铰链销；
设置于所述底座上的与所述一个或多个伸出部相对应的一个或多个开放侧部，所述开放侧部设有导向槽，所述铰链销容纳于所述导向槽中并能够沿所述导向槽上下移动；
弹性件，所述弹性件的一端连接于所述底座，另一端连接于伸出部，从而在所述侧板从折叠状态旋转至直立状态的过程中，所述弹性件对所述伸出部施加力，从而驱动所述伸出部向下移动。
一优选实施例中，所述开放侧部设有弹性件容纳槽，所述弹性件容纳于所述弹性件容纳槽内，且所述弹性件的上端连接于所述伸出部而下端固定于所述弹性件容纳槽内。
优选地，所述铰链销设置在所述伸出部的一侧或两侧上，所述伸出部的中部设有挂销；所述弹性件为拉簧，所述拉簧的一端设有挂钩；其中所述拉簧的一端固定在所述弹性件容纳槽内，而带有拉钩的另一端连接于所述挂销。
有益效果：
本发明解决大型容器侧板铰链下落延迟，且能很好的适用于各种使用者的操作习惯，结构新颖，构思巧妙。
附图说明
图1是一般的大型可折叠容器的结构立体图；
图2是根据本发明的可折叠容器的铰链机构的第一实施例的结构示意图， 为清楚起见，仅示出侧板和底座的一部分；
图3是图2的分解立体图；
图4是图2的底座部分的结构立体图；
图5是沿图4的剖面线E-E剖切的剖视图；
图6是图2的侧板部分的结构立体图；
图7是沿图6的剖面线F-F剖切的剖视图；
图8是图2的连接件的立体图；
图9是图2的盖板的立体图；
图10-12示出侧板从折叠状态翻转至直立状态的过程剖视图；
图13示出根据本发明的可折叠容器的铰链机构的第二实施例的结构示意图，为清楚起见，仅示出侧板和底座的一部分；
图14是图13的分解立体图；
图15是图13的底座部分的结构立体图；
图16是图13的侧板部分的结构立体图；
图17是图13的连接件的立体图；以及
图18示出根据本发明的可折叠容器的铰链机构的第三实施例的结构示意图；
图19是图18的底座部分的结构立体图；
图20是图18的侧板部分的结构立体图；以及
图21是图18的弹簧的立体图。
具体实施方式
以下将结合附图对本发明的较佳实施例进行详细说明，以便更清楚理解本发明的目的、特点和优点。应理解的是，附图所示的实施例并不是对本发明范围的限制，而只是为了说明本发明技术方案的实质精神。
本文中，“上”、“下”、“竖直”等方向术语参考图纸上附图的定向或者本发明的容器在正常使用状态下的定向。
如图1所示，一般的可折叠式大型容器包括一个底座1和两对侧板2，各侧板2通过铰链机构以可相对于底座2折叠的方式安装在底座2上。这些容器通常由塑料材料制成。在侧板2上通常设有锁扣4用来控制相邻的侧板2，3之间的连接， 以实现侧板2，3的折叠或直立状态转换。可选的在侧板2，3上可以带有小门(图未示)，以及可选地在容器顶部有一个盖子(图未示)。
为了简明起见，下面的实施例仅截取部分侧板、底座配合本铰链方案进行图示说明。
图2～12示出根据本发明的第一实施例的铰链机构100。如图2～9所示，该铰链机构100包含：从侧板3下部伸出的一个或多个伸出部31，伸出部31设有铰链销安装部35，具体为铰链槽35；设置于底座1上的与伸出部31相对应的开放侧部11，开放侧部11设有导向结构14，具体为直柱14；连接件5，连接件5能够沿直柱14上下移动，从而连接件5能够相对底座1上下移动，且连接件5上设有与铰链槽35配合的铰链销51，铰链销51容纳于所述铰链槽35中并能够在铰链槽35转动，从而侧板3可旋转地安装在连接件5上；以及弹性件8，具体为弹簧8，弹簧的一端连接于底座1，另一端连接于连接件5，具体地，弹簧8的上端抵靠盖板6，下端与连接件5连接，从而在所述侧板从折叠状态旋转至直立状态的过程中，所述弹性件对所述连接件施加力，从而驱动连接件5向下移动，下文将更进一步详细描述。
可选地，还可以在盖板6和底座之间安插一个防窃启片7，从而防止侧板在不被察觉的情况下被拆除。
图4和5显示了底座1上与铰链机构相关的结构，底座1上具有开放侧部11，其两侧具有两个挂槽12、13，开放侧部11的中间为一个直柱14，直柱14的中部为一个可以容纳弹簧8的弹簧槽15，并且直柱14和底座1之间连接有一条筋18以保证直柱14的强度。直柱14的上部两侧具有切槽17以及凹槽19，用于与盖板6配合而固定盖板，下文将进一步详细说明。
图6、7显示了侧板3上与铰链机构相关的结构，侧板3的下部设置有伸出部31，伸出部31的两侧分布设置有挂台32、33以和底座1上的挂槽12、13相配合，限制侧板3在直立状态时相对底座1上下移动。伸出部31的中部设置有避让直柱14的凹槽34以及容纳连接件5的凹槽36，凹槽36两侧设置有铰链槽35，铰链槽的口部设计有一个小凸台37，使得铰链槽35的口部宽度为dx。
连接件5的结构如图7所示，连接件5的主体两侧各有一个铰链销51，铰链销在某特定角度(在侧板的旋转过程中，铰链销不会旋转到该特定角度，从而在旋转过程中，铰链销不会从铰链槽(或铰链孔)脱出)上具有一个直切槽 55，使得铰链销51有一段宽度为dy，该宽度dy略小于上述dx，这样连接件5只能在该特定角度装入到侧板3的铰链槽35中去。需要指出的是，上述小凸台37和直切槽55的设置是为了使得铰链销在旋转过程中不会从铰链孔或铰链槽脱出，然而，为实现同样的目的，也可以采用本领域已知的其他任何合适的结构。
连接件5的中部为一个通槽52以穿过底座1上的直柱14并可以沿其上下移动一定距离，通槽52的中间具有安装弹簧8的弹簧安装柱53，倒斜角56以增加弹簧安装柱53和连接件5主体的连接强度；切槽54以避让底座1上的筋18。
图9为盖板6的详细结构，其向内侧伸出两挂台62，在挂台62插入底座1切槽17的起始端具有一个限位挂台63并具有导向斜角64，盖板6上还设计有可使用一字螺丝刀工具拆卸的槽61。
本实施例的铰链机构的工作过程如图10～12所示，当大型容器折叠完成后，两块的相对的侧板3中后折叠的一块躺在首先折叠的那块侧板3之上，并且其铰链部位被抬起了大概一个侧板厚度的高度，这时候弹簧8被压缩，处于蓄力状态，但其力量不足以以pi为支点翘起侧板3。当打开第一块侧板3时，根据不同的操作习惯，其旋转支点可能有2个：一个是支点pi，另一个是连接件5的铰链销51。当其以pi为支点旋转时，铰链机构会自动沿底座1上的直柱14下移一定距离。当以铰链销51为旋转轴时，置于上方的侧板3会在旋转过程中离开支点pi，此时弹簧8释放蓄力将铰链机构沿直柱14向下推动。
不管哪种支点，当侧板3旋转一定角度时将远远离开支点pi并被弹簧8的蓄力将铰链机构第一时间下推至底座1开放侧部11的底部，使得侧板3上的挂台32、33提前进入到插入挂槽12、13中的预对准位置，避免了常规无序铰链在此时依靠侧板3自重下落延迟可能带来的挂台32、33和挂槽12、13未提前预对准，从而避免侧板3在打开过程中的和底座1干涉的现象。
应当理解的是，上述实施例中，采用弹簧来对连接件施加力，然而，也可采用诸如橡胶块等其它弹性件来对连接件施加力，也可实现本发明的效果。
还应当理解的是，上述实施例中，弹簧置于连接件5上方，即弹簧上端连接于底座，而下端连接于连接件5，从而在该可折叠容器处于折叠状态时，弹簧被压缩，而在侧板从压缩旋转至直立状态过程中，弹簧的压缩被逐渐释放，从而对连接件施加向下的压力，以驱使连接件向下运动。
然而，弹簧(或其它弹性件)也可置于连接件的下方，即弹簧的上端连接于连接件5，而下端连接于底座，从而在在该可折叠容器处于折叠状态时，弹簧被拉伸，而在侧板从压缩旋转至直立状态过程中，弹簧的缩回，从而对连接件施加向下的拉力，以驱使连接件向下运动。
图13～17示出根据本发明的第二实施例的铰链机构200。相对于上述实施例，该实施例的铰链机构200采用了两根弹簧8用以铰链机构的复位，并将盖板9采用螺钉紧固的方式进行固定，略微增加了安装难度，但适当减小了零件的制造难度。
具体地，侧板1具有开放侧部11，开放侧部11两侧设计有导向槽15，使得连接件1a能够沿其上下移动一定距离，导向槽15的旁边具有安装螺钉10的螺钉孔19，挂槽12、13分布在开放侧部11的两边。侧板3的伸出部31设计有铰链槽35，铰链槽35的开口部设计有与上述方案同样功能的小凸台37，挂台32分布在伸出部31的两旁。连接件1a主体为一根横销1a1，两端设计设有能安装弹簧8并能配合导向槽15上下移动有滑板1a3，滑板1a3上凸销1a4，凸销1a4用作弹簧安装座。与第一实施例类似，横销1a1具有一个竖直的切槽1a2，使得连接件1a1在侧板3在折叠平躺状态时才能装入到铰链槽35中去。
本实施例的铰链机构的工作过程与上述第一实施例类似，在此不再详述。
图18～21示出根据本发明的可折叠容器的铰链机构300的第三实施例的结构示意图。本实施例与第二实施例类似，两者的主要不同之处在于本实施例中，将连接件与侧板的伸出部做成一体，同时弹性件采用拉簧8，拉簧8的一端连接于底座，另一端连接于伸出部，从而在所述侧板从折叠状态旋转至直立状态的过程中，拉簧8对伸出部31施加拉力，从而驱动所述伸出部31向下移动。
具体地，与第二实施例相同，在侧板3在伸出部31两侧设置有挂台32和33，底座的凹槽两侧设置有挂槽12和13，凹槽的两侧壁上设置有相同的直槽15。直槽的口部设置有可以安装盖板(类似于图14中的盖板9)的螺钉孔19。与第二实施例不同的是安装好的盖板可以限制侧板铰链销38在直槽中浮动的距离并防止其脱出。侧板的伸出部31中部下方设置有一个挂销35，用于拉簧8的拉钩81连接，从而使得拉簧的一端与伸出部连接。底座凹槽11的下部设置有容纳拉簧的槽20。槽20设置有凸台21以连接限定拉簧8的另一端82。这样，当侧板折叠后浮动到直槽的上方时，拉簧便能够使其快速复位。
本发明的铰链机构通过采用弹性复位结构，使得侧板在从折叠状态翻转到直立状态的过程中，迫使铰链机构中的连接件同时向下移动，进而带动与该连接件连接的侧板同时向下移动，从而解决了侧板铰链延长下落导致的零部件损坏问题。通过采用本发明的铰链机构，无论操作者使用习惯如何，侧板的重心位置在哪里以及侧板铰链与底座的配合公差如何，都不会导致铰链延迟下落，从而彻底解决了侧板在从折叠状态翻转到直立状态时，意外损坏容器的问题。
本发明尤其适于大型容器，尤其是大型可折叠周转箱。这里，大型容器指的是容量在800L以上的容器。
以上已详细描述了本发明的较佳实施例，但应理解到，在阅读了本发明的上述讲授内容之后，本领域技术人员可以对本发明作各种改动或修改。这些等价形式同样落于本申请所附权利要求书所限定的范围。

Claims (13)

  1. 一种可折叠式容器，包括一个底座和两对侧板，所述侧板通过铰链机构以可相对于所述底座折叠的方式安装在所述底座上，其特征在于，所述铰链机构包括：
    从所述侧板下部伸出的一个或多个伸出部，所述侧板的伸出部设有铰链销安装部；
    设置于所述底座上的与所述一个或多个伸出部相对应的一个或多个开放侧部，所述开放侧部设有导向结构；
    连接件，所述连接件能够沿所述导向结构上下移动，且所述连接件上设有与所述铰链销安装部配合的铰链销，所述铰链销容纳于所述铰链销安装部中并能够在所述铰链销安装部中转动；以及
    弹性件，所述弹性件的一端连接于所述底座，另一端连接于所述连接件，从而在所述侧板从折叠状态旋转至直立状态的过程中，所述弹性件对所述连接件施加力，从而驱动所述连接件向下移动。
  2. 如权利要求1所述的可折叠式容器，其特征在于，所述导向结构上设有弹性件容纳槽，所述弹性件容纳于所述弹性件容纳槽内，且所述弹性件的上端连接于所述底座而下端连接于所述连接件。
  3. 如权利要求1所述的可折叠式容器，其特征在于，所述弹性件为弹簧，所述导向结构上设有弹簧容纳槽，所述弹簧容纳于所述弹簧容纳槽内，所述弹簧的上端由固定连接于所述底座的盖板限位而下端连接于所述连接件。
  4. 如权利要求1所述的可折叠式容器，其特征在于：所述导向结构为设置于所述开放侧部上的直柱，所述直柱中设有弹性件容纳槽，所述弹性件容纳于所述弹性容纳槽中；以及所述连接件的外侧设有所述铰链销，且所述连接件的中部设有沿容器高度方向的通槽，所述通槽内设有弹性件安装柱，其中所述连接件的通槽套入所述直柱且所述弹性件安装柱与所述弹性件的下端连接，而所述弹性件的上端由位于所述通槽上方的盖板限位。
  5. 如权利要求4所述的可折叠式容器，其特征在于：在所述直柱与所述底座之间连接有加强筋。
  6. 如权利要求4所述的可折叠式容器，其特征在于：所述直柱的上部两侧设有凹槽，所述盖板上设有挂台，所述挂台卡入所述凹槽而使得所述盖板连接于所述直柱，且所述弹性件的上端抵靠所述盖板的下侧。
  7. 如权利要求4所述的可折叠式容器，其特征在于：所述铰链销上设有直切槽，所述铰链销安装部为开口槽，在所述开口槽的口部设有凸台，使得所述开口槽口部的宽度小于所述铰链销的直径并大于所述铰链销的设有直切槽部分的宽度。
  8. 如权利要求1所述的可折叠式容器，其特征在于，所述导向结构为设置于所述开放侧部两侧的导向槽，所述弹性件容纳于所述导向槽；以及所述连接件中部为铰链销，两端分别设有弹性件连接部并分别容纳于所述开放侧部两侧的导向槽，其中所述弹性件的上端由盖板限位，下端与所述弹性件连接部连接。
  9. 如权利要求8所述的可折叠式容器，其特征在于：所述弹性件是弹簧，且所述连接件的两端各延伸出一个滑板，所述弹性件安装部为设置于所述滑板上的凸销，所述弹簧的下端套入所述凸销。
  10. 如权利要求1所述的可折叠式容器，其特征在于，所述伸出部的两侧分别设置有限位挂台，所述底座相对应位置处设有挂槽，所述挂台和所述挂槽相配合从而限制所述侧板在直立状态时相对于底座上下移动。
  11. 一种可折叠式容器，包括一个底座和两对侧板，所述侧板通过铰链机构以可相对于所述底座折叠的方式安装在所述底座上，其特征在于，所述铰链机构包括：
    从所述侧板下部伸出的一个或多个伸出部，所述侧板的伸出部设有铰链销；
    设置于所述底座上的与所述一个或多个伸出部相对应的一个或多个开放侧部，所述开放侧部设有导向槽，所述铰链销容纳于所述导向槽中并能够沿所述导向槽上下移动；
    弹性件，所述弹性件的一端连接于所述底座，另一端连接于伸出部，从而在所述侧板从折叠状态旋转至直立状态的过程中，所述弹性件对所述伸出部施加力，从而驱动所述伸出部向下移动。
  12. 根据权利要求11所述的可折叠式容器，其特征在于，所述开放侧部设有弹性件容纳槽，所述弹性件容纳于所述弹性件容纳槽内，且所述弹性件的上端连接于所述伸出部而下端固定于所述弹性件容纳槽内。
  13. 根据权利要求12所述的可折叠式容器，其特征在于，所述铰链销设置在所述伸出部的一侧或两侧上，所述伸出部的中部设有挂销；所述弹性件为拉簧，所述拉簧的一端设有挂钩；其中所述拉簧的一端固定在所述弹性件容纳槽内，而带有拉钩的另一端连接于所述挂销。
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