WO2020249046A1 - 可折叠箱 - Google Patents

可折叠箱 Download PDF

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Publication number
WO2020249046A1
WO2020249046A1 PCT/CN2020/095614 CN2020095614W WO2020249046A1 WO 2020249046 A1 WO2020249046 A1 WO 2020249046A1 CN 2020095614 W CN2020095614 W CN 2020095614W WO 2020249046 A1 WO2020249046 A1 WO 2020249046A1
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WO
WIPO (PCT)
Prior art keywords
hinge
side plate
box cover
edge
plate
Prior art date
Application number
PCT/CN2020/095614
Other languages
English (en)
French (fr)
Original Assignee
上海鸿研物流技术有限公司
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 上海鸿研物流技术有限公司 filed Critical 上海鸿研物流技术有限公司
Publication of WO2020249046A1 publication Critical patent/WO2020249046A1/zh

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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
    • 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
    • B65D43/00—Lids or covers for rigid or semi-rigid containers
    • B65D43/14—Non-removable lids or covers
    • B65D43/16—Non-removable lids or covers hinged for upward or downward movement
    • 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
    • B65D7/00—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of metal
    • B65D7/12—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of metal characterised by wall construction or by connections between walls
    • B65D7/24—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of metal characterised by wall construction or by connections between walls collapsible, e.g. with all parts detachable
    • 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
    • B65D9/00—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of wood or substitutes therefor
    • B65D9/12—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of wood or substitutes therefor collapsible, e.g. with all parts detachable
    • B65D9/14—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of wood or substitutes therefor collapsible, e.g. with all parts detachable with all parts hinged together

Definitions

  • the invention relates to a container, in particular to a collapsible box.
  • the side panels when in use, the side panels should be relatively unfolded and upright.
  • the four side panels are interlocked to form a relatively closed space to contain goods.
  • the foldable container When the foldable container is used to load vegetables, fruits, and other foods, it is especially necessary In cold chain transportation, the relative closure of the container is particularly important, because the transportation of fresh food is very susceptible to pollution from the external environment, causing the food to corrode and deteriorate.
  • Most of these containers are generally foldable containers without lids. Fresh food is loaded into the container, and the top of the container is generally open, so that the food is easily affected by external conditions.
  • the existing containers with lids cannot be folded, which makes storage and transportation extremely inconvenient.
  • the object of the present invention is to provide a collapsible container provided with a single flip cover, which is folded and stored in the edge of the base when it is not in use, and preferably can ensure that the container is relatively closed in an unfolded upright state.
  • the present invention provides a foldable box having a box body and a box cover, wherein the box body has a base and a pair of opposite first sides foldably connected to the base And a pair of opposite second side panels, characterized in that the first edge of the box cover is hinged to the top of one of the pair of first side panels by a hinge, and the box cover is along the first The edge is provided with a hinged part of the box cover, and the top end of one of the pair of first side panels is provided with a side panel hinge part, wherein the first edge and the second edge of the hinge are respectively provided with a first body hinge Part and a second body hinge part, the box lid hinge part and the first body hinge part are hinged to each other, and the side plate hinge part and the second body hinge part are hinged to each other.
  • the hinge is a component separate from the box body and the box cover, and the box cover hinge part is only provided along the first edge of the box cover.
  • the size of the assembly formed by the hinged connection between the hinge and the box cover matches the size of the opening of the foldable box.
  • the first main body hinge part of the hinge is provided with a plurality of grooves spaced apart from each other along the first edge, wherein at least a part of the box cover hinge part of the box cover is located in the groove.
  • the widths of the hinge and the lid are set such that when the lid is folded over the outer surface of the side plate and folded relative to the base, the edge of the lid does not extend beyond The outer edge of the base.
  • the edge of the box cover does not extend beyond the bottom end of the side plate.
  • the box cover has a plate-shaped main body, and the edges of the box cover except the first edge are operably overlapped with the first side plate and the second side plate. top.
  • the hinged part of the box cover includes a plurality of extensions of the cover that are spaced apart from each other, and each extension of the cover is provided with a hinge hole; the hinged part of the side plate includes a plurality of extensions spaced apart from each other.
  • Each of the side plate extensions is provided with a hinge hole;
  • the first body hinge part and the second body hinge part respectively include a plurality of first body extension parts spaced apart from each other And a plurality of second body extensions, each of the first body extensions and each of the second body extensions is provided with a hinge hole; wherein the first hinge shaft extends through the box cover
  • the hinge hole of the first main body extension part, the hinge hole of the first main body extension part, and the second hinge shaft pass through the hinge hole of the second main body extension part and the hinge hole of the side plate extension part.
  • the lid hinge includes a plurality of lid extensions spaced apart from each other
  • the side panel hinge includes a plurality of side panel extensions spaced apart from each other
  • the first body is hinged Part and the second body hinge part respectively include a plurality of first body extension parts and a plurality of second body extension parts spaced apart from each other; wherein the box cover extension part and the first body extension part One of them is provided with a hinge shaft, and the other is provided with a hinge hole matched with the hinge shaft; one of the side plate extension and the second main body extension is provided with a hinge shaft, and the other is provided with The hinge hole is matched with the hinge shaft.
  • one of the two pairs of opposite side panels is a long side panel with a longer length
  • the other pair of side panels is a short side panel with a shorter length
  • the box cover is hinged to one of the long side panels. The top of the side panel.
  • the base has a plate-shaped main body and a pair of opposing protective edges extending upward from a pair of opposite edges of the plate-shaped main body, and the protective edges are provided with a cavity with an opening facing upward and inward.
  • the upper part of both side end walls of the cavity is provided with a first base limiting protrusion
  • the middle of the cavity is provided with a base limiting portion integrally extending upward from the bottom wall of the cavity and located in the base limiting portion
  • the bottom end of the long side plate is provided with a plurality of hinge extensions spaced apart from each other, and the bottom end of each hinge extension is provided with a side plate hinge shaft and The side plate guide part between the plate hinge shafts; wherein the side plate hinge shaft is matched with the first limiting protrusion and the base limiting part, and the side plate guiding part is matched with the base guiding part.
  • the box cover is further provided with a locking mechanism for locking the box cover to the side panel, and the locking mechanism is provided in the other half part except the half part where the hinge part of the box cover is provided. .
  • connection between the box cover and the first side plate and the second side plate, and the connection between the base and the first side plate and the second side plate Seals are provided at the locations and at the connection between the first side plate and the second side plate.
  • the sealing element between the box cover and the first side plate and the second side plate is arranged on the outer periphery of the bottom side of the box cover and is fixedly connected to the box cover.
  • the box cover is formed by welding an inner plate and an outer plate, and the outer plate at a pair of opposite edges of the box cover extends beyond the edge of the inner plate, and the other pair of opposite edges
  • One edge of the box cover is provided with a hinged part of the box cover, the outer panel at the other edge is flush with the inner panel or extends beyond the edge of the inner panel, and the seal on the box cover is connected to the inner panel.
  • the outer plate at the other edge of the box cover opposite to the edge provided with the hinged part of the box cover is provided with a clamping edge, and the inner top of the first side plate is provided with a concave opening facing upwards. Slot, the card edge can be operably locked into the groove.
  • the box cover is further arranged such that, in a state where the box cover is closed, a portion of the outer plate of the box cover extending beyond the edge of the inner plate overlaps the second side plate.
  • the seal of the box cover is a ring-shaped member with two pairs of opposite sides, and a pair of opposite sides of the seal of the box cover extend beyond the second side plate.
  • One of the outer edge of the inner panel and the other pair of opposite side edges operatively abuts against the first side panel.
  • the box cover is hinged to one of a pair of opposed first side plates, and the inside of the top end of the other one of the pair of opposed first side plates is provided with an opening facing upward and toward the box body An internal groove, a part of the sealing member of the lid operatively abuts the groove.
  • the seal of the box cover has a seal body and at least one row of mounting posts protruding from the seal body, the end of the mounting posts is provided with a buckle, and the box cover has a corresponding installation Hole, the buckle is buckled into the mounting hole.
  • the first edge of the box cover is hinged to the top end of one of the pair of first side panels by a hinge, and the first edge of the box cover is provided with a box cover hinge, and a A side panel hinge is provided on the top end of one of the first side panels, wherein the first edge and the second edge of the hinge are respectively provided with a first body hinge part and a second body hinge part, the The lid hinge part and the first body hinge part are hinged to each other, and the side plate hinge part and the second body hinge part are hinged to each other, wherein a hinge seal is connected to the lower side of the hinge, the The first side edge of the hinge seal operatively abuts the first side plate.
  • the second side of the hinge sealing element opposite to the first side overlaps the sealing element on the lid.
  • the left and right side edges of the plate-shaped body of the second side plate are both provided with side plate occlusal parts, and the side plate occlusal parts are connected with side plate seals, and the side plate seals extend beyond the Side bite.
  • the side plate sealing element has a long plate-shaped body, the long plate-shaped body is provided with a plurality of protrusions spaced apart from each other, and the side plate engaging portion is provided with a corresponding concave Groove, the protrusion on the elongated plate-shaped main body is operatively fixed to the groove.
  • the first side plate and the second side plate each have a plate-shaped main body and a plurality of mutually spaced hinge extensions extending from the lower part of the plate-shaped main body
  • the base has a plate Shaped body and two pairs of opposing edge guards extending upward from the two pairs of opposite edges of the plate-like body, the edge guards are provided with a cavity with an opening facing upward and toward the inside of the box, wherein the hinge extension is installed with The sealing element and/or the cavity of the base is equipped with a sealing element.
  • the seals installed on the hinge extension are located on the left and right sides and the lower side of the hinge extension and extend beyond the left and right sides and the lower side of the hinge extension.
  • the left and right side edges of the plate-shaped body of the second side plate are equipped with seals.
  • each hinge extension is connected with a separate sealing element.
  • the base has a plate-shaped main body and a pair of opposing edge guards extending upward from a pair of opposite edges of the plate-shaped main body, and the edge protectors are provided with a cavity with an opening facing upward and toward the inside of the box.
  • the middle part of the cavity is provided with a base stopper integrally extending upward from the bottom wall of the cavity; the first side plate and the second side plate both have a plate-shaped main body and A plurality of hinge extensions spaced apart from each other extending from the lower part, the left and right side edges of the plate-shaped body of the first side plate and/or the second side plate are installed with seals, and each hinge extension
  • the bottom end is provided with a side plate hinge shaft, wherein the side plate hinge shaft is matched with the base limit part, and the seals installed on the hinge extension part are located on the left and right sides and under the hinge extension part And extend beyond the left and right sides and the lower side of the hinge extension.
  • the left and right edges of the sealing member installed on the hinge extension are provided with vertical grooves and/or the lower edge is provided with transverse grooves.
  • the edge guard is further provided with a base guide portion located in the base limit portion and opening toward the inside, and each of the hinge extension portions is further provided with a side plate located between the side plate hinge shafts.
  • a plate guide, and the side plate guide is slidably connected to the base guide.
  • the base limiting portion is a plate-shaped portion
  • the base guiding portion is a groove provided in the middle of the base limiting portion
  • the upper part of both side walls of the cavity is provided with The first base limit protrusion.
  • the hinge extension has a plate-shaped body
  • the side plate hinge shaft extends from the left and right sides of the bottom end of the plate-shaped main body in a direction parallel to the side plate
  • the side plate guide is A guide block extending from the plate-shaped main body in a direction perpendicular to the plate-shaped main body.
  • each of the first side plate, the second side plate and the box cover is formed by welding an inner plate and an outer plate, and there is provided between the inner plate and the outer plate.
  • the inner side of the outer periphery of one of the inner plate and the outer plate is provided with two rows of welding ribs spaced apart from each other.
  • the outer plate at a pair of opposite edges of the box cover extends out of the edge of the inner plate, one edge of the other pair of opposite edges is provided with a hinged part of the box lid, and the other edge
  • the outer and inner panels are flush.
  • the box cover is hinged to one of a pair of opposed first side plates, and the inside of the top end of the other one of the pair of opposed first side plates is provided with an opening facing upward and toward the box body Internal groove.
  • the tops of the first side plate and the second side plate are provided with airtight cavities.
  • both the left and right ends of the first side plate and the second side plate are provided with side plate engaging portions, and the bottom ends of the first side plate and the second side plate are provided with hinges The extension part, wherein the side plate engaging part and the hinge extension part are integrally formed on the side plate.
  • the side plate engaging portion and the hinge extension portion are integrally formed on the outer plate.
  • the base is formed by welding the base body and the bottom plate to each other.
  • the base body is provided with a plate-shaped main body cavity and two pairs of opposite edge protection cavities, wherein the plate-shaped main body cavity and the edge protection cavity are spaced apart from each other.
  • the edge protector is provided with a plurality of cavities spaced apart from each other with an opening facing upward and toward the inside of the box body, and the inside of the edge protector is provided with a thermal insulation layer between the cavities.
  • the first edge of the box cover is hinged to the top end of one of the pair of first side panels by a hinge, and the first edge of the box cover is provided with a box cover hinge part, and a A side panel hinge is provided on the top end of one of the first side panels, wherein the first edge and the second edge of the hinge are respectively provided with a first body hinge part and a second body hinge part, the The lid hinge part and the first body hinge part are hinged to each other, and the side plate hinge part and the second body hinge part are hinged to each other, wherein a hinge seal is connected to the lower side of the hinge body, the The first side edge of the hinge seal operatively abuts the first side plate.
  • At least a part of the second side of the hinge sealing element opposite to the first side overlaps the sealing element on the lid.
  • the second side plate has a plate-shaped main body and a plurality of hinge extensions spaced apart from each other extending from the lower part of the plate-shaped main body, and the bottom end of each hinge extension is provided with a side plate
  • the hinge part, the left and right side edges of the plate-shaped main body and the side plate hinge part are provided with seals.
  • each hinged part of the side plate is provided with a separate sealing element.
  • the left and right side edges of the plate-shaped body of the second side plate are both provided with side plate occlusal parts, and the side plate occlusal parts are connected with side plate seals, and the side plate seals extend beyond the Side bite.
  • the thermal insulation layer is made of polyurethane foam, polystyrene board or phenolic foam.
  • the collapsible container of the present application is provided with a single flip cover, which is folded when it is not in use, and the flip cover is stored in the edge of the base.
  • Fig. 1 is a perspective view of a foldable box according to the present invention.
  • Figure 2 is an exploded perspective view of the side panels, hinges and lid of the foldable box according to the present invention.
  • Fig. 3 is a perspective view of the foldable box according to the present invention in a folded state.
  • Figure 3A is an enlarged view of detail A in Figure 3.
  • Fig. 3B is an enlarged view of detail B in Fig. 3.
  • Figure 4 is a perspective view of the foldable box according to the present invention with a pair of side panels removed.
  • Figure 4A is an enlarged view of detail A in Figure 4.
  • Fig. 4B is an enlarged view of detail B in Fig. 4.
  • Fig. 5 is a perspective view of the box cover folded outward relative to the side plate.
  • Fig. 5A is an enlarged view of detail A in Fig. 5.
  • Fig. 6A is a perspective view of a pair of opposed side panels of the foldable box according to the present invention folded relative to the base.
  • Fig. 6B is a perspective view of the side panel of the foldable box according to the present invention.
  • Fig. 6C is a schematic diagram of the side panel of the foldable box detached from the base according to the present invention.
  • Fig. 6D is an enlarged view of detail D in Fig. 6C.
  • Fig. 7 is a partially exploded perspective view of the foldable box according to the present invention, in which a pair of opposite side panels are folded on the base.
  • Fig. 8 is a partial cross-sectional view of the side plate in an upright state with respect to the base, in which the hinge part is cut away.
  • Fig. 8A is an enlarged view of detail A of Fig. 8.
  • Fig. 9 is a vertical sectional perspective view of a foldable box provided with a thermal insulation layer.
  • 9A and 9B are enlarged views of details A and B of FIG. 9, respectively.
  • Fig. 10 is a partially cut-away exploded perspective view of the base of the foldable box according to the present invention.
  • Fig. 10A is an enlarged view of detail A of Fig. 10.
  • Figure 11 is a partially cut-away exploded perspective view of the side panel of the foldable box according to the present invention.
  • Fig. 11A is an enlarged view of detail A of Fig. 11.
  • Figure 12 is a partially cut-away exploded perspective view of the lid of the foldable box according to the present invention.
  • Fig. 12A is an enlarged view of detail A of Fig. 12.
  • Figure 13 is a partially cut-away perspective view of the foldable box according to the present invention, in which the intersection of the side panels and the box cover is cut away.
  • Fig. 13A is an enlarged view of detail A of Fig. 13.
  • Fig. 14 is another partially cut-away perspective view of the collapsible box according to the present invention, in which the intersection of the side panels and the base is cut away. .
  • Fig. 14A is an enlarged view of detail A of Fig. 14.
  • Fig. 15 is another partially cut-away perspective view of the foldable box according to the present invention, wherein the bottom end of the side panel is cut away.
  • Fig. 15A is an enlarged view of detail A of Fig. 15.
  • Fig. 16 is a partial cut-away view of the side panel of the foldable box according to the present invention, in which the hinge extension is cut away.
  • Fig. 16A is an enlarged view of detail A of Fig. 16.
  • Fig. 17 is a perspective view of a side panel of the foldable box and its seal according to the present invention.
  • Fig. 18 is a perspective view of the other side panel and its sealing member of the foldable box according to the present invention.
  • Fig. 19 is a perspective view of the lid and the sealing member of the foldable box according to the present invention.
  • Figure 20 is a partially cut-away perspective view of a foldable box according to the present invention.
  • Fig. 20A is an enlarged view of detail A of Fig. 20.
  • Fig. 20B is an enlarged view of detail B of Fig. 20.
  • Figure 21 is a perspective view of a hinge and its seal.
  • Figure 22 is a perspective view of the hinge and its seal being assembled together.
  • Figure 22A is an enlarged view of detail A of Figure 22.
  • a foldable container 100 including a base 1, two pairs of side panels 2, 3, and a lid 4.
  • Each pair of side panels 2 and 3 is hinged to the edge of the base 1 at the bottom end and can be folded relative to the base 1.
  • the box cover 4 is hinged to the top of one of the pair of side panels 2 through a hinge 5.
  • the longitudinal ends of the side plates 2, 3 are respectively provided with engaging portions 202 and 302. When each side plate stands upright with respect to the base 1, the side plates 2 and 3 are connected by engaging each other through the engaging portions 202 and 302, thereby connecting with the base 1.
  • the lid 4 can cover the top opening of the foldable container 100.
  • the connection mode between the side plates 2 and 3 is not limited to the above-mentioned occlusal mode, as long as they can be connected end to end to enclose the internal space.
  • the bottom ends of the side panels 2 and 3 are provided with side panel hinge parts to be hingedly connected to the outer edge of the base 1.
  • FIG. 2 shows an exploded perspective view of the side plate 2, the hinge 5 and the lid 4 of the foldable box 100.
  • the box cover 4 is provided with a hinged portion 411 along the first edge 41 adjacent to the side plate 2, and the top end 21 of the side plate 2 (also called the long side plate or the first side plate) is provided with side Board hinge 211.
  • the hinge member 5 has a first edge 51 adjacent to the box cover 4 and a second edge 52 adjacent to the side plate 2.
  • the first edge 51 and the second edge 52 of the hinge member 5 are respectively provided with a first body hinge portion 511 And the second body hinge 521.
  • the lid hinge portion 411 and the first body hinge portion 511 are hinged to each other, and the side plate hinge portion 211 and the second body hinge portion 521 are hinged to each other.
  • the above-mentioned pair of side panels 2 are the long side panels with a longer length among the two pairs of opposite side panels, and the other pair of side panels 3 (also called short side panels or second side panels) is A short side panel with a shorter length, the box cover 4 is hinged to the top 21 of one of the long side panels 2.
  • the box cover 4 can also be hinged to the top end of one of the short side plates 3 through a hinge without departing from the scope of the present invention.
  • the lid hinge 411 includes a plurality of box lid extensions 4111 spaced apart from each other.
  • Each box lid extension 4111 extends from the edge 41 of the box cover 4 along the plane where the box cover 4 is located. It extends horizontally, and each box cover extension 4111 is provided with a hinge hole 4112, and the hinge hole 4112 extends substantially along the direction of the first edge 41.
  • the side plate hinge portion 211 includes a plurality of side plate extensions 2111 spaced apart from each other.
  • Each side plate extension 2111 extends upward from the top end 21 of the side plate 2 along the plane where the side plate 2 is located, and each side plate extends
  • the portion 2111 is provided with a hinge hole 2112, and the hinge hole 2112 extends substantially along the direction of the top end 21 of the side plate 2.
  • the first body hinge part 511 and the second body hinge part 512 respectively include a plurality of first body extension parts 5111 and second body extension parts 5121 spaced apart from each other, and each first body extension part 5111 is provided with a hinge Holes 5112, each second main body extension 5121 is provided with a hinge hole 5122.
  • the hinge holes 5112 and 5122 extend substantially in the direction of the edges 51 and 52 of the hinge body 5, respectively.
  • the hinge holes 4112 are aligned with each other, and the hinge holes 5112 are also aligned with each other. Therefore, when the lid extensions 4111 and the first main body extensions 5111 are placed alternately with each other, the hinge holes 4112 and The hinge holes 5112 are aligned with each other, so that the hinge connection between the hinge member 5 and the box cover 4 can be realized by passing the first hinge shaft 53 through each hinge hole 4112 and each hinge hole 5112.
  • the hinge holes 2112 are aligned with each other, and the hinge holes 5122 are also aligned with each other.
  • the hinge holes 2112 are The hinge holes 5122 are also aligned with each other, so that the hinge connection between the hinge member 5 and the side plate 2 can be achieved by passing the second hinge shaft 54 through each hinge hole 2112 and each hinge hole 5122. More preferably, the first edge 51 and the second edge 52 of the hinge 5 are parallel to each other. In this way, after the box cover 4 is hinged to the side plate 2 via the hinge 5, the first hinge shaft 53 and the second hinge shaft 54 are parallel to each other.
  • the first body hinge portion 511 of the hinge member 5 is provided with a plurality of grooves 512 spaced apart from each other along the first edge 51, and at least a part of the lid hinge portion 411 of the lid 4 is specifically the lid hinge portion
  • Each box cover extension 4111 of 411 is located in the groove 512.
  • each lid extension 4111 fits in each groove 512 so as to further ensure the closure of the opening.
  • one of the lid extension 4111 and the first main body extension 5111 is provided with a hinge shaft, and the other is provided with a hinge for mating with the hinge shaft.
  • the hinge shaft is fitted into the hinge hole to realize the hinge connection between the box cover 4 and the hinge member 5.
  • one of the side plate extension 2111 and the second main body extension 5121 is provided with a hinge shaft, and the other is provided with a hinge hole for mating with the hinge shaft, so that the The hinge shaft is fitted into the hinge hole to realize the hinge connection between the side plate 2 and the hinge 5.
  • the hinged connection between the lid 4 and the hinge 5 and the hinged connection between the side plate 2 and the hinge 5 are not limited to the above-mentioned manners, and other conventional hinged manners in the art may also be used, such as through flexible reduction.
  • the thin portions are hinged to each other without departing from the scope of the present invention.
  • the box cover 4 when the box cover 4 is hingedly connected with the side plate 2 through the hinge 5, the box cover 4 can rotate relative to the side plate 2 by more than 270° around the top end of the side plate 2, as shown in FIG.
  • the box cover 4 is perpendicular to the side panel 2 and closes the opening of the foldable box 100.
  • the box cover 4 can be rotated relative to the top end of the side plate 2 to be placed on the outer surface of the side plate 2, so that after the other three side plates are folded and placed on the base 1, Fold the side panel 2 and the box cover 4 on the other three side panels. In this way, the foldable box 100 in the stored state is convenient for storage and transportation.
  • the hinge 5 is a separate member from the side plate 2 and the box cover 4, and the box cover hinge 411 is only provided along the box cover 4 on the first edge 41.
  • the hinge 5 can also be integrally formed with one or both of the side plate 2 and the box cover 4 without departing from the scope of the present invention.
  • the hinge member 5 may be hingedly connected to the top end 21 of the side plate 2 and/or the first edge 41 of the box cover 4 through a flexible thinned portion.
  • the thickness of the hinge member 5 is equal to the sum of the thickness of the side plate 2 and the cover 4, so that when the cover 4 is folded onto the outer surface of the side plate 2, it can be attached to the outer surface of the side plate 2 without protruding upward. .
  • the size of the assembly formed by hinged connection between the hinge member 5 and the box cover 4 matches the size of the opening of the foldable box 100, so that the opening of the foldable box 100 can be closed.
  • the foldable box 100 is in the storage state as shown in FIG. 3, the side panel 2 is folded onto the base 1, and the box cover 4 is rotated and folded to the outside of the side panel 2.
  • the box cover 4 is opposite to the first edge 41
  • the second edge 42 does not extend beyond the bottom end of the side panel 2, so as to ensure that the second edge 42 of the box cover 4 does not extend beyond the outer edge of the base 1 in the folded state.
  • the box cover 4 shown in FIG. 2 has a plate-shaped body, and the other three edges of the box cover 4 except the first edge 41 are operably overlapped on the top ends of the other side plate 2 and the two side plates 3, respectively. ,As shown in Figure 4.
  • the base 1 has a plate-shaped main body 11 and a pair of opposed edge guards 12 extending upward from a pair of opposed edges of the plate-shaped main body 11.
  • FIG. 6A shows the foldable box 100 with the side panel 2 in a folded state.
  • FIG. 6C shows a perspective view of the side plate 2 separated from the base 1.
  • Figure 6D shows a partial enlarged view thereof.
  • the edge guard 12 is provided with a cavity 121 that opens upward and inward.
  • the upper part of the two end walls of the cavity 121 is provided with a first base limiting protrusion 1211, and the middle of the cavity 121 is provided with A base limiting portion 1212 integrally extended upward from the bottom wall of the cavity 121 and a base guiding portion 1213 located in the base limiting portion and opening toward the inside.
  • the base limiting portion 1212 has a “T” shape in cross section, so that two elongated open grooves 1214 are formed on both sides and the side wall of the cavity 121.
  • the base guide portion 1213 is a longitudinally extending cavity.
  • the base guide portion 1213 extends upward (longitudinal) a predetermined distance from a position at a predetermined distance from the base limit portion.
  • the bottom end of the side plate 2 is provided with a plurality of hinge extensions 22 extending downward and spaced apart from each other.
  • the hinge extension 22 includes two side plate limiting portions 221 extending downward from the side plate 2.
  • the two side plate limiting portions 221 have side plate hinge shafts 223 on opposite sides.
  • the side plate hinge shafts 223 can Rotate and slide up and down in the groove 1214 to switch between the upright state and the folded state of the side plate 2 relative to the base 1.
  • a side plate guide portion 222 is also provided between the two side plate limiting portions 221.
  • the side plate guide portion 222 has a plate-shaped portion 222 a connected between the two side plate limiting portions 221 and a guide block 222 b extending perpendicular to the plate-shaped portion 222 a.
  • the guide part is slidably connected to the base guide part.
  • the guide block 222b is engaged in the base guide portion 1213 to fix the side plate 2 to the edge guard 12, as shown in the partial cross-sectional view of FIG. 8 and the partial enlarged view of FIG. 8A.
  • the structure of the base guide portion 1213 and the structure of the side plate guide portion 222 are such that when the side plate is in the folded state, the connection between the side plate and the base is in a flat state without pits.
  • the first base limiting protrusion 1211 blocks the side panel limiting portion 221 to prevent the side panel 2 from being separated upward from the base 1.
  • the four cavities 121 provided on the edge guard 12 and the four hinge extensions 22 provided on the bottom end of the side plate 2 are shown, but it should be understood that any suitable number of cavities 121 and Hinge extension 22.
  • the box cover 4 is also provided with a locking mechanism for locking the box cover 4 to the side plate, and the locking mechanism is provided on a part of the box cover 4 away from the first edge 41, so that the box cover 4 can be closed more firmly To the side panel.
  • the foldable box 100 of the present invention can also have a heat preservation function by providing a heat preservation layer in the base 1, the side panels 2 and 3 and the cover 4.
  • each of the first side plate 2, the second side plate 3, and the box cover 4 has an inner plate and an outer plate welded to each other, and there is provided between the inner plate and the outer plate. Insulation.
  • the plate-shaped main body 11 and the edge protection 2 of the base 1 are also provided with an insulation layer 16.
  • the above-mentioned insulation layers can be prefabricated insulation boards and then placed in the base, side panels and box cover, or after the base, side panels and box cover are manufactured, they can be filled to the base, The side panels and the inside of the box cover are filled with thermal insulation materials.
  • the thermal insulation material can be polyurethane foam, polystyrene board, phenolic foam, etc.
  • FIG. 9A shows the internal structure at the top end 21 of the side plate 2 and the internal structure at the first edge 41 of the box cover 4.
  • the side plate 2 is formed by welding the side plate outer plate 23 and the side plate inner plate 24 to each other
  • the box cover 4 is formed by welding the box cover outer plate 43 and the box cover inner plate 44 to each other.
  • the inner side of the inner plate 24 of the side plate 2 is provided with a welding rib 25 on the inner side of the outer peripheral edge.
  • the welding rib 25 extends substantially in the direction of the outer peripheral edge of the inner plate 24 and extends from the outer surface of the side inner plate 24 toward the inner surface of the side outer plate 23 It extends and is used for welding to the inner surface of the side plate outer panel 23 at the end.
  • the welding rib 25 may also be arranged inside the outer periphery of the side plate outer plate 23 and extend from the inner surface of the side plate outer plate 23 toward the outer surface of the side plate inner plate 24 and used for welding to the side plate inner plate at the end.
  • the outer surface of 24 may also be understood that welding ribs 25 may be provided on the inner side of the outer peripheral edge of the side plate outer plate 23 and the outer peripheral edge of the side plate inner plate 24, and the ends of the welding ribs 25 are welded to each other.
  • the side plate 2 is provided with two welding ribs 25 parallel to each other and spaced apart from each other.
  • the welding between the welding rib 25 and the outer surface of the inner plate 24, the inner surface of the outer plate 23 or another welding rib 25 It is realized by ultrasonic welding to better realize the sealing of the weld seam.
  • an insulation layer 26 is provided in the internal space enclosed by the inner plate 23, the outer plate 24 and the welding ribs 25, an insulation layer 26 is provided in the internal space enclosed by the inner plate 23, the outer plate 24 and the welding ribs 25, an insulation layer 26 is provided.
  • the arrangement of the two spaced apart welding ribs 25 can further ensure the sealing performance of the space enclosed by the outer plate, the inner plate and the welding ribs relative to the outside.
  • the aforementioned side plate engagement portion and side plate hinge portion are integrally formed on the outer plate 23.
  • the side plate 3 can also be formed by welding the outer plate 30 and the inner plate 31, with an insulation layer 36 filled in between.
  • the specific structure is the same as that of the side plate 2, and will not be repeated here.
  • the top of the side plate 2 is provided with a closed cavity, which is formed by the two welding ribs 25 and the inner plate 24 and the outer plate 23 together.
  • the outer periphery of the outer plate 43 of the box cover 4 is provided with welding ribs 45, which extend substantially in the direction of the outer periphery of the outer plate 43 and from the inner surface of the outer plate 43 of the box cover toward the box.
  • the outer surface of the cover inner plate 44 extends and is used for welding to the outer surface of the box cover inner plate 44 at the end.
  • the welding ribs 45 can also be arranged inside the outer periphery of the box cover inner plate 44 and extend from the outer surface of the box cover inner plate 44 toward the inner surface of the box cover outer plate 43 and are used for welding to the box cover outer plate at the end. 43's inner surface.
  • welding ribs 45 may be provided on the inner side of the outer periphery of the outer plate 23 of the box cover and the inner side of the outer periphery of the inner plate 24 of the box cover, and the ends of the weld ribs 45 are welded to each other.
  • the box cover 4 is provided with two welding ribs 45 parallel to each other and spaced apart from each other.
  • the welding between the welding rib 25 and the outer surface of the inner plate 44, the inner surface of the outer plate 43 or another welding rib 45 is performed by ultrasonic welding. To achieve better sealing of the weld.
  • an insulation layer 46 is provided in the internal space enclosed by the outer plate 43, the inner plate 44 and the welding ribs 45.
  • the arrangement of the two spaced apart welding ribs 45 can further ensure the sealing performance of the space enclosed by the outer plate, the inner plate and the welding ribs relative to the outside.
  • FIG. 12 shows a bottom exploded perspective view of the tank cover 4.
  • the box cover 4 has four edges 41, 42, 47 and 48.
  • the first edge 41 is provided with a lid hinge 4111
  • the outer plate 43 at the second edge 42 extends beyond the inner plate 44 and overlaps the inner side of the side plate 2 when the lid is closed.
  • the edge of the outer plate 43 may be provided with a clamping edge 4a
  • the inner top of the side plate 2 is provided with a groove 2a with an opening facing upward, and the clamping edge 4a can be clamped into the groove 2a.
  • the outer plate at the second edge 42 is flush with the inner plate.
  • the outer plate 43 extends beyond the inner plate 44.
  • the part of the outer panel 43 that extends beyond the inner panel 44 is overlapped on the side panel 3.
  • FIG. 9B shows a cross-sectional view of the edge protection 12 of the base 1.
  • 10 and 10A show an exploded view of the base 1 and a detailed enlarged view. It can be seen from the figure that the base 1 is formed by welding the base body 14 and the base bottom plate 15 to each other.
  • the base body 14 is provided with a plate-shaped main body cavity 142 that opens downwards and two pairs of opposite edge protection cavities 143.
  • the plate-shaped main body cavity 142 and the edge protection cavity 143 are separated from each other by a base welding rib 141.
  • the base body 14 includes a base plate 145, the base plate 145 is rectangular, the edge protection 12 is formed by the edge protection inner plate 124 and the edge protection outer plate 123.
  • the edge protection inner plate 124 and the edge protection outer plate 123 respectively form the inner surface and the outer surface of the edge protection 12. surface.
  • the edge protection inner plate 124 extends upward from the edge of the edge protection substrate 145
  • the base welding rib 141 extends downward from the edge of the edge protection substrate 145 and is used for welding to the upper surface of the base bottom plate 15.
  • the lower end of the edge guard outer plate 123 is also welded to the upper surface of the base bottom plate 15, preferably to the edge of the upper surface of the base bottom plate 15.
  • the edge protector inner plate 124 and the edge protector outer plate 123 and the base welding rib 141 jointly form an edge protector cavity 143
  • the base substrate 145 and the base welding rib 141 jointly form a plate-shaped main body cavity 142.
  • Insulation layers are respectively arranged in the edge protection cavity 143 and the plate-shaped body cavity 142.
  • the edge protector 12 is also provided with a plurality of cavities 121, and the part of the edge protector 12 located between the cavities 121 is also provided with an insulation layer.
  • the insulation layer is usually made of lightweight foam.
  • the foldable box 100 adopting the above structure has good heat preservation performance and can be used for storing fresh products.
  • a sealing structure can also be provided to the foldable box 100.
  • the connection between the lid 4 and the side panel 2 and the side panel 3 the connection between the base 1 and the side panel 2 and the side panel 3, and the side panel
  • the joints between the plates 2 and 3 are provided with seals, so as to realize the sealing of the inside of the foldable box 100 relative to the outside.
  • the sealing member 401 between the box cover 4 and the side plate 2 and the side plate 3 is arranged on the outer periphery of the bottom side of the box cover 4 and is fixedly connected to the box cover 4.
  • the sealing member 401 has a rectangular ring shape and has two pairs of opposite sides.
  • the sealing member 401 is connected to the outer edge of the inner plate 44 of the box cover 4.
  • the sealing element 401 can be connected to the outer edge of the inner plate 44 in any suitable manner.
  • a number of protrusions can be provided on the outer edge of the inner plate 44, and a number of matching grooves can be provided on the sealing element 401, thereby connecting the sealing element 401 It is snap-fitted to the inner plate 44, or a number of protrusions are provided on the sealing member 401, and correspondingly shaped recesses are provided on the edge of the inner plate 44 to accommodate the aforementioned protrusions. It is also conceivable that a protrusion may be provided on the sealing member 401, and a corresponding groove may be provided on the outer edge of the inner plate 44, so as to receive and hold the protrusion.
  • the sealing element 401 of the box cover 4 has a sealing element main body 4011 and at least one row of mounting posts 4012 protruding from the sealing element main body 4011, and the end of the mounting post 4012 is provided with a buckle. Corresponding installation holes are provided on the box cover 4, and the buckles are snapped into the installation holes to install the seal on the box cover.
  • the pair of sides of the sealing member 401 at the edges 47 and 48 extend beyond the side plate 3
  • the outer edge of the inner panel, and the side edge located at the edge 42 operatively abuts the side panel 2.
  • the inner side of the top end of the side plate 2 that is not hinged with the box cover 4 is provided with a groove 2a with an opening facing upwards and toward the inside of the box body, and the clamping edge 4a of the sealing member 401 at the edge 42 operably abuts
  • the groove 2a is shown in Fig. 20B.
  • FIG. 20A shows a partial enlarged cross-sectional view of the box cover 4 and one of the side plates 2 being hinged by a hinge member 5.
  • a hinge seal 501 is connected to the underside of the hinge 5.
  • the first side 5011 of the hinge seal 501 operably abuts the side plate 2, wherein the first The side 5011 is the side of the hinge seal 501 away from the cover 4.
  • the second side 5011 of the hinge seal 501 adjacent to the box cover 4 at least partially overlaps with the seal 401 on the box cover 4.
  • the side plate 2 and the side plate 3 are also provided with seals 201 and 301, respectively.
  • the seal 201 of the side plate 2 is shown in FIGS. 15 and 15A
  • the seal 301 of the side plate 2 is shown in FIGS. 16 and 16A.
  • the side plate 2 and its sealing member 201 and the side plate 3 and its sealing member 301 are further shown in FIGS. 17 and 18 respectively.
  • the bottom end of the side plate 2 is provided with a hinge extension 22 for forming a hinge connection with the cavity 121 on the base 1.
  • a hinge extension 32 is also provided at the bottom end of the side plate 3, and in order to hingely connect the side plate 3 to the base 1, a protective edge 16 is also provided on the corresponding pair of edges of the base 1, as shown in Figure 14. Shown.
  • a cavity 161 is also provided in the protective edge 16. The cavity 161 and the hinge extension portion 32 can adopt the same structure as the cavity 121 and the hinge extension portion 22 respectively, which will not be repeated here.
  • the sealing member 201 of the side plate 2 is only located at the bottom of the side plate 2, while the sealing member 301 of the side plate 3 is in a substantially rectangular ring shape, including four parts located on the side plate 3. The edge part.
  • the sealing between the side plate 2 and the side plate 3 is achieved by the left and right side edge portions of the sealing member 301 of the side plate 3.
  • the sealing member 201 of the side plate 2 can also be arranged in a substantially rectangular ring shape, including parts located at the four edges of the side plate 2, and the sealing member 301 of the side plate 3 is only located at the bottom of the side plate 3. Therefore, the sealing between the side plate 2 and the side plate 3 is achieved by the left and right edges of the seal 201 of the side plate 2.
  • the seal 201 at the bottom of the side plate 2 includes a plurality of "n"-shaped parts in the middle and half-"n"-shaped parts on both sides, wherein the two legs of each n-shaped part respectively cover the phase
  • the inner side surfaces of the two adjacent side plate limiting portions 221 adjacent to the two hinge extension portions 22, and the half "n"-shaped parts on both sides cover the outer end sides of the hinge extension portions 22 on the left and right sides of the side plate 2.
  • the above-mentioned "n"-shaped part and half-"n"-shaped part are separate seals separated from each other, and the number of "n"-shaped parts is set according to the number of hinge protrusions 22.
  • the seal 201 is located on the left and right sides and the lower side of the hinge extension and extends beyond the left and right sides and the lower side of the hinge extension.
  • the gaps between the left and right sides of the hinge extension and the base protector, and the gap between the hinge extension and the bottom of the cavity on the base protector can be effectively sealed, that is, cover the hinge extension
  • the left and right edges of the sealing member installed on the hinge extension are provided with vertical grooves 201a and the lower edge is provided with transverse grooves 201b, as shown in FIG. 8A.
  • the part of the sealing member 301 at the bottom of the side plate 3 has the same structure, and will not be repeated here.
  • the structure of the part of the sealing member 301 extending beyond the left and right sides and the lower side of the hinge protrusion is shown in 18, which are convex strips 301a and 301b protruding relative to the main body of the sealing member.
  • the seal 201 has a similar structure.
  • the connection manner between the sealing elements 201 and 301 and the side plates 2 and 3 may be any suitable manner, and refer to the description of the installation manner of the sealing element 401 above.
  • the seal between the bottom of the side plate and the cavity of the base can also be arranged in the cavity of the base, or a seal is arranged in both the bottom of the side plate and the cavity of the base.
  • the sealing element between the bottom of the side plate and the cavity of the base is arranged to cover the gap between the hinge extension and the bottom of the cavity on the edge of the base.
  • the side plates 2 and 3 are provided with engaging portions 202 and 302 at both longitudinal ends.
  • the plate 3 is connected by the biting portions 202 and 302 biting each other.
  • the sealing element 301 is connected to the engaging portion 302 of the side panel 3, and the sealing element 301 extends laterally beyond the engaging portion 302, so that the side panel 2 and the side panel 3 can abut against the side panel 2 when the foldable box 100 is in use. To seal the seam between the two.
  • the connection between the sealing member 301 and the biting portion 302 can be achieved in any suitable manner.
  • a long plate-shaped body of the sealing member 301 located at the longitudinal edge is provided with a plurality of protrusions spaced apart from each other, and on the side
  • the plate engaging portion 302 is provided with corresponding grooves for operatively fixing the above-mentioned protrusions.
  • the sealing element 201 includes parts located at the four edges, and the sealing element 301 is only located at the bottom of the side plate 3, the sealing element 201 is connected to the engaging portion 202 of the side plate 2 and extends laterally beyond the engaging portion 202, thereby When the side panel 2 and the side panel 3 are connected to each other in the use state of the foldable box 100, the side panel 3 can be pressed against the side panel 3 to seal the joint between the two.
  • a plurality of protrusions spaced apart from each other are provided on the elongated plate-shaped body of the sealing member 201 located at the longitudinal edge, and corresponding grooves are provided on the side plate engaging portion 202 for operably fixing the protrusions. .
  • FIG. 20 shows a perspective view of the hinge member 5 and its sealing member 501 assembled together. An enlarged view of detail A of FIG. 22 is shown in FIG. 22A.
  • the sealing member 501 is installed closely below the hinge member 5. When the lid 4 closes the opening of the foldable box 100, the sealing member 501 and the sealing member 401 of the lid 4 at least partially overlap, thereby ensuring the sealing of the joint between the lid 4 and the hinge 5.
  • the connection method between the sealing member 501 and the hinge member 5 may be any suitable method, and refer to the description of the installation method of the sealing member 401 above.

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Abstract

一种可折叠箱，该折叠箱具有箱体和箱盖（4），其中箱体具有底座（1）及可折叠地连接于底座（1）的一对相对的第一侧板（2）和一对相对的第二侧板（2），箱盖（4）的第一边缘通过铰接件（5）铰接于一对第一侧板（2）中一个侧板的顶端。箱盖（4）沿第一边缘（41）设有箱盖铰接部（411），一对第一侧板（2）中一个侧板的顶端（21）设有侧板铰接部（211），铰接件（5）的第一边缘（51）和第二边缘（52）分别设有第一主体铰接部（511）和第二主体铰接部（521），箱盖铰接部（411）和第一主体铰接部（511）相互铰接，侧板铰接部（211）和第二主体铰接部（521）相互铰接。该折叠箱在折叠状态下，箱盖（4）不会接触底座（1）的边缘。

Description

可折叠箱
相关申请交叉引用
本专利申请要求于2019年06月13日提交的、申请号为2019105116191、发明名称为“可折叠箱”的中国专利申请的优先权，上述申请的全文以引用的方式并入本文中。
技术领域
本发明涉及一种容器，具体涉及一种可折叠箱。
背景技术
现有可折叠容器，在使用时，侧板要相对展开直立，四块侧板互锁，从而形成相对封闭的空间来容纳货物，当折叠容器用来装载蔬果生鲜等食品时，尤其是需要冷链运输时，容器的相对的封闭就尤为重要，因为生鲜食品运输极易受到外界环境而造成污染，致使食品腐蚀变质而现有。大部分这得容器，其一般为不带盖的可折叠容器，生鲜食品装载到容器内，其容器顶部一般为开放式，这样食品极易受到外界条件的影响。而现有的带盖的容器又无法折叠，储存和运输极为不便。
因此，本领域需要一种带盖的可折叠容器，既能在展开直立状态下确保相对封闭，又能在闲置时方便折叠收纳。
发明内容
本发明的目的是提供一种可折叠容器，该可折叠容器设有单翻盖，在闲置时折叠并将翻盖收纳于底座护边内，优选地还能在展开直立状态下确保容器相对封闭。
为实现上述目的，本发明提供了一种可折叠箱，所述折叠箱具有箱体和箱盖，其中所述箱体具有底座及可折叠地连接于所述底座的一对相对的第一侧板和一对相对的第二侧板，其特征在于，所述箱盖的第一边缘通过铰接件铰接于一对所述第一侧板中一个侧板的顶端，所述箱盖沿第一边缘设有箱盖铰接部，且一对所述第一 侧板中一个侧板的顶端设有侧板铰接部，其中所述铰接件的第一边缘和第二边缘分别设有第一主体铰接部和第二主体铰接部，所述箱盖铰接部和所述第一主体铰接部相互铰接，以及所述侧板铰接部和所述第二主体铰接部相互铰接。
一实施例中，所述铰接件为与所述箱体和所述箱盖分开的构件，以及所述箱盖铰接部仅沿所述箱盖的第一边缘设置。
一实施例中，所述铰接件和所述箱盖相互铰接所形成的组件的大小匹配于所述可折叠箱的开口的大小。
一实施例中，所述铰接件的第一主体铰接部设有沿第一边缘相互间隔开的多个凹槽，其中所述箱盖的箱盖铰接部的至少一部分位于所述凹槽内。
一实施例中，所述铰接件和所述箱盖的宽度设置成在所述箱盖翻折到所述侧板外侧面上时，并相对于底座折叠时，所述箱盖边缘不延伸超出所述底座的外缘。
一实施例中，所述箱盖的边缘不延伸超出所述侧板的底端。
一实施例中，所述箱盖具有板状主体，所述箱盖的除了所述第一边缘之外的其他边缘分别可操作地搭接所述第一侧板和所述第二侧板的顶端。
一实施例中，所述箱盖铰接部包括相互间隔开的多个箱盖伸出部，每个所述箱盖伸出部设有铰链孔；所述侧板铰接部包括相互间隔开的多个侧板伸出部，每个所述侧板伸出部设有铰链孔；所述第一主体铰接部和所述第二主体铰接部分别包括相互间隔开的多个第一主体伸出部和多个第二主体伸出部，每个所述第一主体伸出部和每个所述第二主体伸出部均设有铰链孔；其中第一铰链轴穿过所述箱盖伸出部的铰链孔和所述第一主体伸出部的铰链孔，以及第二铰链轴穿过所述第二主体伸出部的铰链孔和所述侧板伸出部的铰链孔。
一实施例中，所述箱盖铰接部包括相互间隔开的多个箱盖伸出部，所述侧板铰接部包括相互间隔开的多个侧板伸出部，以及所述第一主体铰接部和所述第二主体铰接部分别包括相互间隔开的多个第一主体伸出部和多个第二主体伸出部；其中所述箱盖伸出部和所述第一主体伸出部中的一个设有铰链轴，另一个设有与该铰链轴配合的铰链孔；所述侧板伸出部和所述第二主体伸出部中的一个设有铰链轴，另一个设有与该铰链轴配合的铰链孔。
一实施例中，所述两对相对的侧板中一对侧板为长度较长的长侧板，另一对侧板为长度较短的短侧板，所述箱盖铰接于其中一个长侧板的顶端。
一实施例中，所述底座具有板状主体和从板状主体的一对相对边缘向上延伸出 的一对相对的护边，所述护边设有开口朝上和朝内的凹腔，所述凹腔的两侧端壁上部设有第一底座限位凸起，所述凹腔的中部设有从凹腔的底壁一体向上延伸出的底座限位部和位于所述底座限位部内并朝向内部开口的底座导向部；所述长侧板的底端设有相互间隔开的多个铰链伸出部，每个铰链伸出部的底端设有侧板铰链轴和在所述侧板铰链轴之间的侧板导向部；其中所述侧板铰链轴与所述第一限位凸起和所述底座限位部配合，所述侧板导向部与所述底座导向部配合。
一实施例中，所述箱盖进一步设有用于将箱盖锁定到侧板上的锁定机构，所述锁定机构设置于与设有所述箱盖铰接部所在的半部分之外的另半部分。
一实施例中，所述箱盖与所述第一侧板和所述第二侧板之间的连接处、所述底座与所述第一侧板和所述第二侧板之间的连接处、以及所述第一侧板与所述第二侧板之间的连接处均设置有密封件。
一实施例中，所述箱盖与所述第一侧板和所述第二侧板之间的密封件设置在所述箱盖的底侧外周并固定连接于所述箱盖。
一实施例中，所述箱盖由内板和外板相互焊接而成，所述箱盖的一对相对的边缘处的外板延伸出所述内板的边缘，另一对相对的边缘中的一个边缘设有箱盖铰接部，另一个边缘处的外板和内板齐平或者也延伸出所述内板的边缘，所述箱盖上的密封件连接于所述内板。
一实施例中，所述箱盖的与设有箱盖铰接部的边缘相对的另一边缘处的外板设有一条卡边，所述第一侧板的内侧顶端设有开口朝上的凹槽，所述卡边可操作地卡入所述凹槽中。
一实施例中，所述箱盖进一步设置成，在盖上箱盖的状态下，所述箱盖的外板的延伸出所述内板边缘的部分搭接于所述第二侧板上。
一实施例中，所述箱盖的密封件为具有相对的两对侧边的环状件，所述箱盖的密封件的一对相对的侧边延伸超出所述第二侧板的所述内板的外边缘，另一对相对的侧边中的一个可操作地抵靠所述第一侧板。
一实施例中，所述箱盖铰接于一对相对的第一侧板中的一个，所述一对相对的第一侧板中的另一个的顶端的内侧设有开口朝上和朝向箱体内部的凹槽，所述箱盖的密封件的一部分可操作地抵靠所述凹槽。
一实施例中，所述箱盖的密封件具有密封件主体和从密封件主体凸出的至少一排安装柱，所述安装柱的末端设有卡扣，所述箱盖上具有相应的安装孔，所述卡扣 扣入所述安装孔。
一实施例中，所述箱盖的第一边缘通过铰接件铰接于一对所述第一侧板中一个侧板的顶端，所述箱盖的第一边缘设有箱盖铰接部，且一对所述第一侧板中一个侧板的顶端设有侧板铰接部，其中所述铰接件的第一边缘和第二边缘分别设有第一主体铰接部和第二主体铰接部，所述箱盖铰接部和所述第一主体铰接部相互铰接，以及所述侧板铰接部和所述第二主体铰接部相互铰接，其中所述铰接件的下侧连接有铰接件密封件，所述铰接件密封件的第一侧边可操作地抵靠所述第一侧板。
一实施例中，所述铰接件密封件的与第一侧相对的第二侧边重叠于所述箱盖上的密封件。
一实施例中，所述第二侧板的板状主体的左右侧边缘均设有侧板咬合部，所述侧板咬合部连接有侧板密封件，所述侧板密封件延伸超出所述侧板咬合部。
一实施例中，所述侧板密封件具有长条形板状主体，所述长条形板状主体上设有相互间隔开的多个凸起，所述侧板咬合部设有相应的凹槽，所述长条形板状主体上的凸起可操作地固定于所述凹槽。
一实施例中，所述第一侧板和所述第二侧板均具有板状主体以及从该板状主体的下部延伸出的相互间隔开的多个铰链伸出部，所述底座具有板状主体和从板状主体的两对相对边缘向上延伸出的两对相对的护边，所述护边设有开口朝上和朝向箱体内部的凹腔，其中所述铰链伸出部安装有密封件和/或所述底座的凹腔安装有密封件。
一实施例中，安装于所述铰链伸出部的密封件位于所述铰链伸出部的左右两侧及下侧并延伸超出所述铰链伸出部的左右两侧和下侧。
一实施例中，所述第二侧板的板状主体的左右侧边缘安装有密封件。
一实施例中，每个所述铰链伸出部连接有单独的密封件。
一实施例中，所述底座具有板状主体和从板状主体的一对相对边缘向上延伸出的一对相对的护边，所述护边设有开口朝上和朝向箱体内部的凹腔，所述凹腔的中部设有从凹腔的底壁一体向上延伸出的底座限位部；所述第一侧板和所述第二侧板均具有板状主体以及从该板状主体的下部延伸出的相互间隔开的多个铰链伸出部，所述第一侧板和/或所述第二侧板的板状主体的左右侧边缘安装有密封件，每个铰链伸出部的底端设有侧板铰链轴，其中所述侧板铰链轴和所述底座限位部配合，以及安装于所述铰链伸出部的密封件位于所述铰链伸出部的左右两侧及下侧并延伸超 出所述铰链伸出部的左右两侧和下侧。
一实施例中，安装于所述铰链伸出部的密封件的左右边缘处设有竖向的凹槽和/或下边缘设有横向的凹槽。
一实施例中，所述护边还设有位于所述底座限位部内并朝向内部开口的底座导向部，每个所述铰链伸出部还设有位于所述侧板铰链轴之间的侧板导向部，所述侧板导向部可上下滑动地连接于所述底座导向部。
一实施例中，所述底座限位部为一板状部，所述底座导向部为设置于所述底座限位部的中部的凹槽，以及所述凹腔的两侧侧壁上部设有第一底座限位凸起。
一实施例中，所述铰链伸出部具有板状本体，所述侧板铰链轴从该板状主体的底端左右两侧朝向平行于侧板的方向延伸出，所述侧板导向部为从该板状主体沿垂直于该板状主体的方向延伸出的导向块。
一实施例中，所述第一侧板、所述第二侧板和所述箱盖中每个均由内板和外板相互焊接而成，所述内板和所述外板之间设有保温层；以及所述底座具有板状本体和从该板状主体的四周向上延伸的护边，所述板状本体和所述护边内均设置有保温层。
一实施例中，所述内板和外板之一的外周缘内侧设有两排相互间隔开的焊筋。
一实施例中，所述箱盖的一对相对的边缘处的外板延伸出所述内板的边缘，另一对相对的边缘中的一个边缘设有箱盖铰接部，另一个边缘处的外板和内板齐平。
一实施例中，所述箱盖铰接于一对相对的第一侧板中的一个，所述一对相对的第一侧板中的另一个的顶端的内侧设有开口朝上和朝向箱体内部的凹槽。
一实施例中，所述第一侧板和所述第二侧板的顶部设有密闭空腔。
一实施例中，所述第一侧板和所述第二侧板的左右两端均设有侧板咬合部，且所述第一侧板和所述第二侧板的底端设有铰链伸出部，其中所述侧板咬合部和所述铰链伸出部一体地形成在所述侧板上。
一实施例中，所述侧板咬合部和所述铰链伸出部一体地形成在所述外板上。
一实施例中，所述底座由底座主体和底板相互焊接而成。
一实施例中，所述底座主体设有板状主体空腔和两对相对的护边空腔，其中所述板状主体空腔和所述护边空腔相互间隔开。
一实施例中，所述护边设有开口朝上且朝向箱体内部的相互间隔开的多个凹腔，所述护边内部在所述凹腔之间设有保温层。
一实施例中，所述箱盖的第一边缘通过铰接件铰接于一对所述第一侧板中一个侧板的顶端，所述箱盖的第一边缘设置有箱盖铰接部，且一对所述第一侧板中一个侧板的顶端设有侧板铰接部，其中所述铰接件的第一边缘和第二边缘分别设有第一主体铰接部和第二主体铰接部，所述箱盖铰接部和所述第一主体铰接部相互铰接，以及所述侧板铰接部和所述第二主体铰接部相互铰接，其中所述铰链主体的下侧连接有铰接件密封件，所述铰接件密封件的第一侧边可操作地抵靠所述第一侧板。
一实施例中，所述铰接件密封件的与第一侧相对的第二侧边的至少一部分重叠于所述箱盖上的密封件。
一实施例中，所述第二侧板具有板状主体以及从该板状主体的下部延伸出的相互间隔开的多个铰链伸出部，每个铰链伸出部的底端设有侧板铰接部，该板状主体的左右侧边缘以及所述侧板铰接部均设有密封件。
一实施例中，每个所述侧板铰接部设有单独的密封件。
一实施例中，所述第二侧板的板状主体的左右侧边缘均设有侧板咬合部，所述侧板咬合部连接有侧板密封件，所述侧板密封件延伸超出所述侧板咬合部。
一实施例中，所述保温层由聚氨酯泡沫、聚苯板或酚醛泡沫制成。
本申请的可折叠容器设有单翻盖，在闲置时折叠并将翻盖收纳于底座护边内。
附图说明
图1是根据本发明的可折叠箱的立体图。
图2是根据本发明的可折叠箱的侧板、铰链以及箱盖的分解立体图。
图3是根据本发明的可折叠箱处于折叠状态的立体图。
图3A是图3中细节A的放大图。
图3B是图3中细节B的放大图。
图4是根据本发明的可折叠箱移除了一对侧板的立体图。
图4A是图4中细节A的放大图。
图4B是图4中细节B的放大图。
图5是箱盖相对于侧板向外翻折的立体图。
图5A是图5中细节A的放大图。
图6A是根据本发明的可折叠箱的一对相对的侧板相对于底座折叠的立体 图。
图6B是根据本发明的可折叠箱的侧板的立体图。
图6C是根据本发明的可折叠箱的侧板从底座脱开的示意图。
图6D是图6C中细节D的放大图。
图7是根据本发明的可折叠箱的部分分解立体图，其中一对相对的侧板折叠在底座上。
图8是侧板相对于底座处于直立状态的局部剖视图，其中铰接部被剖开。
图8A是图8的细节A的放大图。
图9是设有保温层的可折叠箱的纵剖立体图。
图9A和9B分别是图9的细节A和B的放大图。
图10是根据本发明的可折叠箱的底座的局部剖切分解立体图。
图10A是图10的细节A的放大图。
图11是根据本发明的可折叠箱的侧板的局部剖切分解立体图。
图11A是图11的细节A的放大图。
图12是根据本发明的可折叠箱的箱盖的局部剖切分解立体图。
图12A是图12的细节A的放大图。
图13是根据本发明的可折叠箱的局部剖切立体图，其中两侧板与箱盖相交处被剖开。
图13A是图13的细节A的放大图。
图14是根据本发明的可折叠箱的另一局部剖切立体图，其中两侧板与底座相交处被剖开。。
图14A是图14的细节A的放大图。
图15是根据本发明的可折叠箱的又一局部剖切立体图，其中侧板底端处被剖开。
图15A是图15的细节A的放大图。
图16是根据本发明的可折叠箱的侧板的局部剖切图，其中铰链伸出部被剖开。
图16A是图16的细节A的放大图。
图17是根据本发明的可折叠箱的一侧板和其密封件的立体图。
图18是根据本发明的可折叠箱的另一侧板和其密封件的立体图。
图19是根据本发明的可折叠箱的箱盖和其密封件的立体图。
图20是根据本发明的可折叠箱的局部剖切立体图。
图20A是图20的细节A的放大图。
图20B是图20的细节B的放大图。
图21是铰接件及其密封件的立体图。
图22是铰接件与其密封件组装在一起的立体图。
图22A是图22的细节A的放大图。
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。
在下文的描述中，出于说明各种公开的实施例的目的阐述了某些具体细节以提供对各种公开实施例的透彻理解。但是，相关领域技术人员将认识到可在无这些具体细节中的一个或多个细节的情况来实践实施例。在其它情形下，与本申请相关联的熟知的装置、结构和技术可能并未详细地示出或描述从而避免不必要地混淆实施例的描述。
除非语境有其它需要，在整个说明书和权利要求中，词语“包括”和其变型，诸如“包含”和“具有”应被理解为开放的、包含的含义，即应解释为“包括，但不限于”。
在整个说明书中对“一个实施例”或“一实施例”的提及表示结合实施例所描述的特定特点、结构或特征包括于至少一个实施例中。因此，在整个说明书的各个位置“在一个实施例中”或“在一实施例”中的出现无需全都指相同实施例。另外，特定特点、结构或特征可在一个或多个实施例中以任何方式组合。
如该说明书和所附权利要求中所用的单数形式“一”和“所述”包括复数指代物，除非文中清楚地另外规定。应当指出的是术语“或”通常以其包括“和/或”的含义使用，除非文中清楚地另外规定。
在以下描述中，为了清楚展示本发明的结构及工作方式，将借助诸多方向 性词语进行描述，但是应当将“前”、“后”、“左”、“右”、“外”、“内”、“向外”、“向内”、“上”、“下”等词语理解为方便用语，而不应当理解为限定性词语。
下文参照附图描述本发明的实施例。具体参见图1，示出了根据本发明的可折叠容器100，包括底座1、两对侧板2、3以及箱盖4。每对侧板2、3在底端铰接至底座1的边缘并能够相对于底座1折叠，箱盖4通过铰接件5铰接至一对侧板2中一个侧板的顶端。侧板2、3的纵向两端各设有咬合部202和302，当各侧板相对于底座1直立时，各侧板2和3通过咬合部202和302彼此咬合而连接，从而与底座1共同形成可折叠容器100的内部容积，箱盖4可覆盖可折叠箱100的顶部开口。而当各侧板2、3和箱盖4相对于底座1折叠时，可折叠容器100能够方便地存储和运输。应理解，侧板2和3之间的连接方式并不限于上述咬合方式，只要能够彼此首尾相接围出内部空间即可。侧板2和3的底端设有侧板铰接部，以铰接连接至底座1的外缘。
图2中示出了可折叠箱100的一侧板2、铰接件5以及箱盖4的分解立体图。如图所示，箱盖4沿与侧板2邻接的第一边缘41设有箱盖铰接部411，而侧板2(也称为长侧板或第一侧板)的顶端21设有侧板铰接部211。铰接件5具有与箱盖4相邻的第一边缘51和与侧板2相邻的第二边缘52，铰接件5的第一边缘51和第二边缘52分别设有第一主体铰接部511和第二主体铰接部521。箱盖铰接部411与第一主体铰接部511相互铰接，而侧板铰接部211与第二主体铰接部521相互铰接。
此外，为了更好地使得箱盖4闭合在顶端开口上，较佳地在一对相对的侧板2中的另一个的顶端的内侧设有开口朝上和朝向箱体内部的凹槽，从而用于在使用状态接纳箱盖4的第二边缘42。
在所示实施例中，上述一对侧板2为两对相对的侧板中长度较长的长侧板，而另一对侧板3(也称为短侧板或第二侧板)为长度较短的短侧板，箱盖4铰接于其中一个长侧板2的顶端21。但应理解，箱盖4也可通过铰接件铰接于其中一个短侧板的3顶端而不脱离本发明的范围。
在图2所示具体实施例中，箱盖铰接部411包括相互间隔开的多个箱盖伸出部4111，各箱盖伸出部4111从箱盖4的边缘41沿箱盖4所在的平面水平延伸，且每个箱盖伸出部4111设有铰链孔4112，铰链孔4112大致沿第一边缘41 的方向延伸。侧板铰接部211包括相互间隔开的多个侧板伸出部2111，各侧板伸出部2111从侧板2的顶端21沿侧板2所在的平面向上延伸，且每个侧板伸出部2111设有铰链孔2112，铰链孔2112大致沿侧板2的顶端21的方向延伸。第一主体铰接部511和第二主体铰接部512分别包括相互间隔开的多个第一主体伸出部5111和第二主体伸出部5121，每个第一主体伸出部5111均设有铰链孔5112，每个第二主体伸出部5121均设有铰链孔5122。铰链孔5112和5122分别大致沿铰接体5的边缘51和52的方向延伸。较佳地，各铰链孔4112彼此对准，各铰链孔5112也彼此对准，因此当各箱盖伸出部4111与各第一主体伸出部5111彼此交错放置时，各铰链孔4112和各铰链孔5112彼此对准，从而能够通过将第一铰链轴53穿过各铰链孔4112和各铰链孔5112实现铰接件5与箱盖4之间的铰接。较佳地，各铰链孔2112彼此对准，各铰链孔5122也彼此对准，因此当各侧板伸出部2111与各第二主体伸出部5121彼此交错放置时，各铰链孔2112和各铰链孔5122也彼此对准，从而能够通过将第二铰链轴54穿过各铰链孔2112和各铰链孔5122实现铰接件5与侧板2之间的铰接。更佳地，铰接件5的第一边缘51和第二边缘52彼此平行。如此，箱盖4经由铰接件5铰接至侧板2之后，第一铰链轴53和第二铰链轴54彼此平行。
较佳地，铰接件5的第一主体铰接部511设有沿第一边缘51相互间隔开的多个凹槽512，箱盖4的箱盖铰接部411的至少一部分，具体是箱盖铰接部411的各箱盖伸出部4111位于凹槽512内。较佳地，当箱盖4关闭可折叠容器100的开口时，各箱盖伸出部4111贴合地位于各凹槽512内，从而进一步确保对开口的封闭。
此外，在一未示出的实施例中，可设置成箱盖伸出部4111和第一主体伸出部5111中的一个设有铰链轴，而另一个设有用于与该铰链轴配合的铰链孔，从而通过将该铰链轴配合到铰链孔内来实现箱盖4与铰接件5的铰接。替代地或另外地，可设置成侧板伸出部2111和第二主体伸出部5121中的一个设有铰链轴，而另一个设有用于与该铰链轴配合的铰链孔，从而通过将该铰链轴配合到铰链孔内来实现侧板2与铰接件5的铰接。
当然，应理解，箱盖4与铰接件5之间的铰接以及侧板2与铰接件5之间的铰接并不限于上述方式，也可采用本领域内的其他常规铰接方式，例如通过柔性减薄部彼此铰接而不脱离本发明的范围。在本发明中，当箱盖4通过铰接 件5与侧板2形成铰接连接时，箱盖4能够相对于侧板2绕侧板2的顶端旋转270°以上，如图5所示。在可折叠箱100处于使用状态时，箱盖4相对于侧板2垂直并关闭可折叠箱100的开口。当可折叠箱100处于收纳状态时，箱盖4能够相对于侧板2的顶端旋转以放置在侧板2的外表面上，从而在将其他三个侧板折叠放置于底座1上之后，能够将侧板2和箱盖4折叠放置在其他三个侧板上。如此，处于收纳状态的可折叠箱100便于储存和运输。
在图中所示的实施例中，铰接件5为与侧板2和箱盖4分开的构件，箱盖铰接部411仅沿箱盖4设置在第一边缘41。但应理解，铰接件5也可与侧板2和箱盖4中的一个或两个一体形成而不脱离本发明的范围。例如，如上文提到的，铰接件5可通过柔性减薄部与侧板2的顶端21和/或箱盖4的第一边缘41铰接连接。较佳地，铰接件5的厚度等于侧板2和箱盖4的厚度之和，从而当箱盖4折叠到侧板2的外表面上时能够与侧板2的外表面贴合不向上突出。
当可折叠箱100处于使用状态时，铰接件5和箱盖4相互铰接形成的组件的大小与可折叠箱100的开口大小相匹配，从而能够关闭可折叠箱100的开口。而当可折叠箱100如图3所示处于收纳状态时，侧板2折叠到底座1上，箱盖4旋转翻折到侧板2的外侧，此时箱盖4的与第一边缘41相对的第二边缘42不延伸超出侧板2的底端，从而确保箱盖4的第二边缘42在折叠状态不会超出底座1的外缘。
图2中所示的箱盖4具有板状主体，箱盖4的除了第一边缘41之外的其他三个边缘分别可操作地搭接在另一侧板2和两个侧板3的顶端，如图4所示。
在图1所示的可折叠箱100中，底座1具有板状主体11和从板状主体11的一对相对边缘向上延伸的一对相对的护边12。图6A中示出了侧板2处于折叠状态的可折叠箱100。图6C示出了侧板2与底座1脱离的立体图。其中图6D示出了其局部放大图。如图6D所示，护边12设有开口朝上和朝内开放的凹腔121，凹腔121的两侧端壁上部设有第一底座限位凸起1211，凹腔121的中部设有从凹腔121的底壁一体向上延伸出的底座限位部1212和位于底座限位部内并朝向内部开口的底座导向部1213。底座限位部1212横截面呈“T”字形，从而在两侧与凹腔121的侧壁形成两个长条形开放式凹槽1214。底座导向部1213呈纵向延伸的凹腔。底座导向部1213从距离底座限位部预定距离的位置处向上(纵向)延伸预定距离。侧板2底端设有向下延伸的多个相互间隔开的铰链伸出部22。当侧板2相对于底座1直 立时，铰链伸出部22容纳在凹腔121内。铰链伸出部22包括从侧板2向下延伸的两个侧板限位部221，两个侧板限位部221的彼此相对的侧面设有侧板铰链轴223，侧板铰链轴223可在凹槽1214内旋转并上下滑动，以实现侧板2相对于底座1在直立状态与折叠状态之间切换。在两个侧板限位部221之间还设有侧板导向部222。侧板导向部222具有连接于两个侧板限位部221之间的板状部222a和垂直于板状部222a延伸出的导向块222b构成。导向部可上下滑动地连接于底座导向部。当侧板2处于直立状态时，该导向块222b卡合在底座导向部1213内，从而将侧板2固定于护边12，如图8的局部剖视图和局部放大图8A所示。底座导向部1213的结构和侧板导向部222的结构使得在侧板处于折叠状态时，侧板与底座的连接处呈平坦状态，其上没有凹坑。当侧板2处于折叠状态时，第一底座限位凸起1211阻挡侧板限位部221，以防止侧板2向上与底座1分离。在图中示出了设置在护边12上的4个凹腔121和设置在侧板2底端的4个铰链伸出部22，但应理解，可根据需要设置任何合适数量的凹腔121和铰链伸出部22。
较佳地，箱盖4还设有用于将箱盖4锁定到侧板的锁定机构，该锁定机构设置在箱盖4的远离第一边缘41的部分，从而能够更稳固地将箱盖4闭合至侧板。
本发明的可折叠箱100还可通过在底座1、侧板2和3以及箱盖4内设置保温层而具有保温功能。如图9和9A、9B所示，第一侧板2、第二侧板3和箱盖4中每个均有内板和外板相互焊接而成，在内板与外板之间设有保温层。如图10和10A所示，底座1的板状主体11和护边2内也设有保温层16。上述的各保温层可以是预先制作完成的保温板，然后放置于底座、侧板和箱盖中，也可以是在底座、侧板和箱盖制作完成后，通过灌装的方式，往底座、侧板和箱盖的内部灌入保温材料来实现。保温材料可以是聚氨酯泡沫、聚苯板、酚醛泡沫等。
在图9A的细节放大图中示出了侧板2的顶端21处的内部结构和箱盖4的第一边缘41处的内部结构。其中侧板2由侧板外板23和侧板内板24相互焊接而成，箱盖4由箱盖外板43和箱盖内板44相互焊接而成。侧板2的内板24的外周缘内侧设有焊筋25，焊筋25大致沿内板24的外周缘的方向延伸并从侧板内板24的外表面朝向侧板外板23的内表面延伸，并用于在末端焊接至侧板外板23的内表面。 但应理解，焊筋25也可设置在侧板外板23的外周缘内侧并从侧板外板23的内表面朝向侧板内板24的外表面延伸并用于在末端焊接至侧板内板24的外表面。还应理解，可在侧板外板23的外周缘内侧以及侧板内板24的外周缘内侧均设置焊筋25，焊筋25的末端彼此焊接。较佳地如图中所示，侧板2设有两条彼此平行且相互间隔开的焊筋25。在可折叠箱100的侧板2和箱盖4由塑料材料制成的情况下，焊筋25与内板24的外表面、外板23的内表面或者与另一焊筋25之间的焊接通过超声波焊接来实现，以更好地实现焊缝的密封性。在由内板23、外板24和焊筋25围成的内部空间内，设有保温层26。两条间隔开焊筋25的设置能够进一步确保外板、内板与焊筋所围成的空间相对于外部的密封性。此外，为了便于制造，较佳地，前述侧板咬合部和侧板铰接部都一体形成在外板23上。
侧板3也可由外板30和内板31焊接而成，其间填充有保温层36。其具体结构与侧板2相同，在此不再赘述。
在设置两条焊筋25的情况下，侧板2的顶部设有密闭空腔，该密闭空腔由两条焊筋25和内板24和外板23共同形成。
还如图9A所示，箱盖4的外板43的外周缘内设有焊筋45，焊筋45大致沿外板43的外周缘的方向延伸并从箱盖外板43的内表面朝向箱盖内板44的外表面延伸，并用于在末端焊接至箱盖内板44的外表面。但应理解，焊筋45也可设置在箱盖内板44的外周缘内侧并从箱盖内板44的外表面朝向箱盖外板43的内表面延伸并用于在末端焊接至箱盖外板43的内表面。还应理解，可在箱盖外板23的外周缘内侧以及箱盖内板24的外周缘内侧均设置焊筋45，焊筋45的末端彼此焊接。较佳地如图中所示，箱盖4设有两条彼此平行且相互间隔开的焊筋45。在可折叠箱100的箱盖4由塑料材料制成的情况下，焊筋25与内板44的外表面、外板43的内表面或者与另一焊筋45之间的焊接通过超声波焊接来实现，以更好地实现焊缝的密封性。在由外板43、内板44和焊筋45围成的内部空间内，设有保温层46。两条间隔开焊筋45的设置能够进一步确保外板、内板与焊筋所围成的空间相对于外部的密封性。
图12示出了箱盖4的仰视分解立体图。箱盖4具有四个边缘41、42、47和48。较佳地，第一边缘41设有箱盖铰接部4111，第二边缘42处的外板43延伸超出内板44并在盖上箱盖时搭接在侧板2的内侧。具体地，如图4B所示，外板43的边缘可设有一条卡边4a，而在侧板2的内侧顶端设有开口朝上凹槽2a，卡边4a可卡 入凹槽2a中。另一实施例中，第二边缘42处的外板与内板齐平。而在另外两个边缘47和48处，外板43延伸超出内板44。较佳地，在可折叠箱100处于使用状态时，外板43延伸超出内板44的部分搭接于侧板3上。
图9B示出了底座1护边12处的剖视图。图10和10A示出了底座1的分解图及细节放大图。从图中可以看出，底座1由底座主体14和底座底板15相互焊接而成。底座主体14设有朝下开口的板状主体空腔142和两对相对的护边空腔143，板状主体空腔142和护边空腔143由底座焊接筋141相互间隔开。底座主体14包括基板145，基板145呈矩形，护边12由护边内板124和护边外板123形成，护边内板124和护边外板123分别形成护边12的内表面和外表面。护边内板124从护边基板145的边缘向上延伸，而底座焊接筋141从护边基板145的边缘向下延伸并用于焊接到底座底板15的上表面。护边外板123的下端也焊接至底座底板15的上表面，较佳地焊接至底座底板15的上表面边缘。护边内板124和护边外板123和底座焊接筋141共同形成护边空腔143，而底座基板145和底座焊接筋141共同形成板状主体空腔142。在护边空腔143和板状主体空腔142内分别设置保温层。此外，如上文所述，护边12还设有多个凹腔121，在护边12内位于凹腔121之间的部分也设有保温层。保温层通常由轻质泡沫制成。
采用上述结构的可折叠箱100具有良好的保温性能，能够用于储存生鲜产品。
根据本发明，为了更好地形成密封和进行保温，还可对可折叠箱100设置密封结构。具体如图14-22A所示，在可折叠箱100中，在箱盖4与侧板2和侧板3之间的连接处、底座1与侧板2和侧板3的连接处、以及侧板2和3之间的连接处均设置密封件，从而实现可折叠箱100内部相对于外部的密封。
如图19所示，箱盖4与侧板2和侧板3之间的密封件401设置在箱盖4的底侧外周并固定连接于箱盖4。具体地，密封件401呈矩形环状，具有相对的两对侧边。密封件401连接于箱盖4的内板44的外缘。密封件401可以任何合适的方式连接至内板44的外缘，例如可在内板44的外缘上设置若干突起，而在密封件401上设置若干形状匹配的卡槽，从而将密封件401卡配至内板44，或者在密封件401上设置若干突起部，而在内板44的边缘上设置相应形状的凹陷以用于容纳上述突起部。还可设想，也可在密封件401上设置突条，而在内板44的外缘上设置相应凹槽，从而接纳并保持上述突条。
在一优选实施例中，箱盖4的密封件401具有密封件主体4011和从密封件主 体4011凸出的至少一排安装柱4012，安装柱4012的末端设有卡扣。箱盖4上设有相应的安装孔，卡扣卡入安装孔以将密封件安装在箱盖上。
在图20所示较佳实施例中，在可折叠箱100的使用状态，当箱盖4闭合在顶部开口时，密封件401的位于边缘47和48的一对侧边延伸超出侧板3的内板的外边缘，而位于边缘42的侧边可操作地抵靠侧板2。较佳地，侧板2中未与箱盖4铰接的一个的顶端内侧设有开口朝上和朝向箱体内部的凹槽2a，密封件401的位于边缘42的卡边4a可操作地抵靠该凹槽2a，见图20B。
图20A中示出了箱盖4与侧板2中的一个通过铰接件5铰接的局部放大提剖视图。如图21、22及22A所示，在铰接件5的下侧连接有铰接件密封件501，该铰接件密封件501的第一侧边5011可操作地抵靠该侧板2，其中第一侧边5011为铰接件密封件501远离箱盖4的侧边。较佳地，铰接件密封件501的与箱盖4相邻的第二侧边5011至少部分地与箱盖4上的密封件401重叠。
侧板2和侧板3也分别设有密封件201和301，图15和15A中示出了侧板2的密封件201，图16和16A中示出了侧板2的密封件301。在图17和18中分别进一步示出侧板2及其密封件201和侧板3及其密封件301。
如前文所述，在侧板2的底端都设有铰链伸出部22，用于与底座1上的凹腔121形成铰接连接。较佳地，在侧板3的底端也设有铰链伸出部32，且为了将侧板3铰接连接至底座1，在底座1的相应一对边缘也设有护边16，如图14所示。护边16内也设有凹腔161。凹腔161和铰链伸出部32可分别采用与凹腔121和铰链伸出部22相同的结构，在此不再赘述。
在图17和18所示的实施例中，侧板2的密封件201仅位于侧板2的底部，而侧板3的密封件301呈大致矩形环状，包括分别位于侧板3的四个边缘的部分。从而，侧板2和侧板3之间的密封通过侧板3的密封件301的左右侧边缘部分来实现。但应理解，也可设置成侧板2的密封件201呈大致矩形环状，包括分别位于侧板2的四个边缘的部分，而侧板3的密封件301仅位于侧板3的底部，从而侧板2和侧板3之间的密封通过侧板2的密封件201的左右边缘来实现。
如图17所示，侧板2底部的密封件201包括多个位于中部的“n”形部分和两侧的半“n”形部分，其中每个n形部分的两个支腿分别覆盖相邻两个铰链伸出部22的相邻两个侧板限位部221的内侧表面，而两侧的半“n”形部分覆盖侧板2左右两侧的铰链伸出部22的外端侧板限位部221的内侧表面。其中上述“n”形部分 和半“n”形部分是彼此分开的单独密封件，“n”形部分的数量根据铰链伸出部22的数量来设定。具体来说，密封件201位于铰链伸出部的左右两侧及下侧并延伸超出铰链伸出部的左右两侧和下侧。由此，可以对铰链伸出部左右两侧与底座护边之间的空间的间隙，以及铰链伸出部与底座护边上的凹腔底部之间的间隙进行有效密封，即覆盖铰链伸出部与底座护边上的凹腔底部之间的间隙。一实施例中，安装于所述铰链伸出部的密封件的左右边缘处设有竖向的凹槽201a且下边缘设有横向的凹槽201b，如图8A所示。
位于侧板3底部的密封件301的部分具有相同的结构，在此不再赘述。密封件301延伸超出铰链伸出部的左右两侧和下侧的部分的结构如18所示，其为相对于密封件的主体突出的凸条301a和301b。密封件201具有类似的结构。密封件201和301与侧板2和3之间的连接方式可以是任何合适的方式，参照上文关于密封件401安装方式的描述。一未示出的实施例中，侧板底部与底座凹腔之间的密封件也可以设置在底座凹腔中，或者，在侧板底部和底座凹腔中均设置密封件。侧板底部和底座凹腔之间的密封件布置成覆盖铰链伸出部与底座护边上的凹腔底部之间的间隙。
如上文所述，在较佳实施例中，在侧板2和侧板3的纵向两端各设有咬合部202和302，当各侧板相对于底座1直立时，各侧板2和侧板3通过咬合部202和302彼此咬合而连接。密封件301与侧板3的咬合部302连接，且密封件301横向延伸超出咬合部302，从而在可折叠箱100的使用状态下侧板2和侧板3相互连接时能够抵靠侧板2以密封两者之间的接缝。密封件301与咬合部302之间的连接可通过任何合适的方式实现，例如在密封件301的位于纵向边缘的长条形板状主体上设置有相互间隔开的多个凸起，而在侧板咬合部302设有相应的凹槽，用于可操作地固定上述凸起。在密封件201包括分别位于四个边缘的部分，而密封件301仅位于侧板3底部的情况下，则密封件201与侧板2的咬合部202连接并横向延伸超出咬合部202，从而在可折叠箱100的使用状态下侧板2和侧板3相互连接时能够抵靠侧板3以密封两者之间的接缝。在密封件201的位于纵向边缘的长条形板状主体上设置有相互间隔开的多个凸起，而在侧板咬合部202设有相应的凹槽，用于可操作地固定上述凸起。
图20中示出了铰接件5及其密封件501。图22示出了铰接件5和其密封件501组装在一起的立体图。图22A中示出了图22的细节A的放大图。密封件 501紧贴安装在铰接件5的下方。当箱盖4关闭可折叠箱100的开口时，密封件501与箱盖4的密封件401至少部分地重叠，从而确保箱盖4与铰接件5之间接缝处的密封。密封件501与铰接件5之间的连接方式可以是任何合适的方式，参照上文关于密封件401安装方式的描述。
以上已详细描述了本发明的较佳实施例，但应理解到，若需要，能修改实施例的方面来采用各种专利、申请和出版物的方面、特征和构思来提供另外的实施例。
考虑到上文的详细描述，能对实施例做出这些和其它变化。一般而言，在权利要求中，所用的术语不应被认为限制在说明书和权利要求中公开的具体实施例，而是应被理解为包括所有可能的实施例连同这些权利要求所享有的全部等同范围。

Claims (11)

  1. 一种可折叠箱，所述折叠箱具有箱体和箱盖，其中所述箱体具有底座及可折叠地连接于所述底座的一对相对的第一侧板和一对相对的第二侧板，其特征在于，所述箱盖的第一边缘通过铰接件铰接于一对所述第一侧板中一个侧板的顶端，所述箱盖沿第一边缘设有箱盖铰接部，且一对所述第一侧板中一个侧板的顶端设有侧板铰接部，其中所述铰接件的第一边缘和第二边缘分别设有第一主体铰接部和第二主体铰接部，所述箱盖铰接部和所述第一主体铰接部相互铰接，以及所述侧板铰接部和所述第二主体铰接部相互铰接。
  2. 根据权利要求1所述的可折叠箱，其特征在于，所述铰接件为与所述箱体和所述箱盖分开的构件，以及所述箱盖铰接部仅沿所述箱盖的第一边缘设置。
  3. 根据权利要求1所述的可折叠箱，其特征在于，所述铰接件和所述箱盖相互铰接所形成的组件的大小匹配于所述可折叠箱的开口的大小。
  4. 根据权利要求1所述的可折叠箱，其特征在于，所述铰接件的第一主体铰接部设有沿第一边缘相互间隔开的多个凹槽，其中所述箱盖的箱盖铰接部的至少一部分位于所述凹槽内。
  5. 根据权利要求1所述的可折叠箱，其特征在于，所述铰接件和所述箱盖的宽度设置成在所述箱盖翻折到所述侧板外侧面上时，并相对于底座折叠时，所述箱盖边缘不延伸超出所述底座的外缘。
  6. 根据权利要求1所述的可折叠箱，其特征在于，所述箱盖具有板状主体，所述箱盖的除了所述第一边缘之外的其他边缘分别可操作地搭接所述第一侧板和所述第二侧板的顶端。
  7. 根据权利要求1所述的可折叠箱，其特征在于，所述箱盖铰接部包括相互间隔开的多个箱盖伸出部，每个所述箱盖伸出部设有铰链孔；所述侧板铰接部包括相互间隔开的多个侧板伸出部，每个所述侧板伸出部设有铰链孔；所述第一主体铰接部和所述第二主体铰接部分别包括相互间隔开的多个第一主体伸出部和多个第二主体伸出部，每个所述第一主体伸出部和每个所述第二主体伸出部均设有铰链孔；其中第一铰链轴穿过所述箱盖伸出部的铰链孔和所述第一主体伸出部的铰链孔，以及第二铰链轴穿过所述第二主体伸出部的铰链孔和所述侧板伸出部的铰链孔。
  8. 根据权利要求1所述的可折叠箱，其特征在于，所述箱盖铰接部包括相互间 隔开的多个箱盖伸出部，所述侧板铰接部包括相互间隔开的多个侧板伸出部，以及所述第一主体铰接部和所述第二主体铰接部分别包括相互间隔开的多个第一主体伸出部和多个第二主体伸出部；其中所述箱盖伸出部和所述第一主体伸出部中的一个设有铰链轴，另一个设有与该铰链轴配合的铰链孔；所述侧板伸出部和所述第二主体伸出部中的一个设有铰链轴，另一个设有与该铰链轴配合的铰链孔。
  9. 根据权利要求1所述的可折叠箱，其特征在于，所述两对相对的侧板中一对侧板为长度较长的长侧板，另一对侧板为长度较短的短侧板，所述箱盖铰接于其中一个长侧板的顶端。
  10. 根据权利要求1所述的可折叠箱，其特征在于，所述底座具有板状主体和从板状主体的一对相对边缘向上延伸出的一对相对的护边，所述护边设有开口朝上和朝内的凹腔，所述凹腔的两侧端壁上部设有第一底座限位凸起，所述凹腔的中部设有从凹腔的底壁一体向上延伸出的底座限位部和位于所述底座限位部内并朝向内部开口的底座导向部；所述长侧板的底端设有相互间隔开的多个铰链伸出部，每个铰链伸出部的底端设有侧板铰链轴和在所述侧板铰链轴之间的侧板导向部；其中所述侧板铰链轴与所述第一限位凸起和所述底座限位部配合，所述侧板导向部与所述底座导向部配合。
  11. 根据权利要求1所述的可折叠箱，其特征在于，所述箱盖进一步设有用于将箱盖锁定到侧板上的锁定机构，所述锁定机构设置于与设有所述箱盖铰接部所在的半部分之外的另半部分。
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