CN2858509Y

CN2858509Y - Foldable pallet box

Info

Publication number: CN2858509Y
Application number: CN 200520114662
Authority: CN
Inventors: 柳世健
Original assignee: China International Marine Containers Group Co Ltd
Current assignee: China International Marine Containers Group Co Ltd
Priority date: 2005-11-18
Filing date: 2005-11-18
Publication date: 2007-01-17
Anticipated expiration: 2015-11-18

Abstract

The utility model relates to a folding pallet box, at least comprising an underpan having a frame, angle upright columns positioned at four angles of the frame, side griders provided at two sides of the frame and connected between two angle upright columns respectively, and end edge griders provided at ends of the frame and connected between two angle upright columns respectively; a first side wall and a second side wall oppsitely provided at two sides of the underpan frame; a first end wall and a second end wall oppsitely provided at two ends of the underpan frame; the two side walls are movable connected with the underpan by a first bolt axes connection device respectively, the first end wall is movable connected with the underpan by a second bolt axes connection device, and the second end wall is movable connected with the underpan by a chain, the side walls and the end walls are locked and connected together by a lock. The pallet box of the utility model has a higher safety, is more convenient to be assemblied, more simple to be operated and convenient to be maintained.

Description

A kind of Foldable tray

Technical field

The utility model relates to a kind of Foldable tray, and it is reliable particularly to relate to a kind of connection, the Foldable tray that safety performance is high.

Background technology

Being connected between the existing Foldable container, side panel and chassis or loam cake has plenty of easy-off, easy like this losing; Have plenty of non-removable, if a part of breakage of so wherein certain be not easy to the maintenance.

Existing Foldable container, owing to make, when especially the cladding plate of side plate inwall adopts the mode of welding, usually can not make very flat, when end, when gap between the sidewall is very little, when folding earlier end wall is folding and inside sidewalls often produce interference, thereby the scratch sidewall panel.And make when the slit increases between end, the sidewall in order to fold easy, be easy to generate the negative effect of in transportation, squeezing broken liner bag again.

Existing Foldable container, because the folding sidewall in back adopts hinge or bearing pin to connect, after end wall folds, sidewall is usually in not constraint of the direction in case, can in case, freely overturn, the folding sidewall in back falls easily voluntarily in folding process like this, easily scratches staff or folding not easy to operate.

The utility model content

Technical problem to be solved in the utility model is to provide a kind of Foldable tray, for connection structure that can not dismantle easily and removable is provided between side panel and chassis, side panel and the loam cake, avoided making whole unsve phenomenon because of single loss of parts or single parts are damaged; And provide slit, assembling back little and when folding, effectively avoid producing the side panel arrangement of scratch; And provide further after having folded two end plates in addition that two side panels can not fall down and the easy-to-operate structure voluntarily.

To achieve these goals, the utility model provides a kind of Foldable tray, includes at least

The chassis, include framework, be arranged on these four bights of framework corner post, be separately positioned on two sidepieces of this framework and be connected two between the corner post side girders and be separately positioned on this frame ends and be connected two end side bars between the corner post;

The first side wall and second sidewall, be oppositely arranged on this carrier frame two sidepieces above;

First end wall and second end wall, be oppositely arranged on this carrier frame two ends above;

Its characteristics are, be movably connected by the first bolt shaft connecting device respectively between these two sidewalls and this chassis, be movably connected by the second bolt shaft connecting device between this first end wall and this chassis, be connected through the hinge together between this second end wall and this chassis, and link together by lockset locking between sidewall and the end wall.

Above-mentioned Foldable tray, its characteristics are that this first bolt shaft connecting device comprises:

The sidewall attaching parts is separately positioned on the both sides of this first side wall/second sidewall bottom, and this sidewall attaching parts is provided with the sidewall thread hole;

Slotted hole is arranged on corresponding to this sidewall thread hole on the corner post side elevation on this chassis, and this slotted hole has a predetermined altitude;

One bolt shaft, the one end is threaded, and the other end is a polished rod, and this bolt shaft is threaded in the sidewall thread hole that an end is connected to this sidewall attaching parts, is connected with the screw thread fit in this sidewall thread hole, and the other end is connected in this slotted hole.

Above-mentioned Foldable tray, its characteristics are that this second bolt shaft connecting device comprises:

The end wall attaching parts is separately positioned on the bottom of end wall edge column of these first end wall both sides, and this end wall attaching parts is provided with the end wall tapped bore;

Circular hole is arranged on corresponding to this end wall tapped bore on the corner post end facade on this chassis;

One bolt shaft, the one end is threaded, and the other end is a polished rod, and this bolt shaft is threaded in the end wall tapped bore that an end is connected to this end wall attaching parts, is connected with the screw thread fit of this end wall tapped bore, and the other end is connected in this circular hole.

Above-mentioned Foldable tray, its characteristics are, also be respectively arranged with the limited block of the flute profile end wall edge column clamping of at least one and adjacent end wall on this first side wall and the second sidewall side walls edge column, this limited block and this side edge column are formed with a spacing space, hold the outside cell wall of this end wall edge column.

Above-mentioned Foldable tray, its characteristics are that in this spacing space, along also being provided with a jut on the side edge column of this first side wall and second sidewall, this jut has a predetermined thickness with respect to the inner panel of this first side wall and second sidewall.

Above-mentioned Foldable tray, its characteristics be, the side girders on this chassis has a bearing surface that is used to support this first side wall/second sidewall; Reach one and be used to limit the confined planes that this first side wall/second sidewall outwards moves, this confined planes is along this vertical setting in bearing surface outer side edges edge.

Above-mentioned Foldable tray, its characteristics be, the end side bar on this chassis has a bearing surface that is used to support this first end wall/second end wall; And the end side bar of the first end wall side also has one and is used to limit the confined planes that this first end wall outwards moves, and this confined planes is provided with along vertical along the bearing surface outer side edges of this end side bar.

Above-mentioned Foldable tray, its characteristics are, this pallet case also includes the loam cake that covers the pallet upper box part, this loam cake is made up of first loam cake and second loam cake, this first loam cake and second loam cake respectively and adjacent with it the first side wall and second sidewall link together and this first loam cake and this second loam cake overlap joint by the biaxial hinge attaching parts.

Above-mentioned Foldable tray, its characteristics are that this biaxial hinge attaching parts comprises:

First hinge connector is fixedly installed on the desired location that is connected side bar of framework of this first loam cake and second loam cake;

Second hinge connector is arranged on the desired location of this first side wall and second sidewall corresponding to the position of this first hinge connector;

Biaxial hinge, its two ends are connected with second hinge connector with this first hinge connector respectively by hinge axis.

Above-mentioned Foldable tray, its characteristics are, also are provided with drain gutter on the framework side bar of this first loam cake and second loam cake.

Above-mentioned Foldable tray, its characteristics be, this covers the lockset that also is provided with this first end wall and the locking of second end wall on first, and this lockset comprises:

The lock frame is arranged on this and covers on first;

Locking bar is movably arranged on this lock frame;

Lockhole is arranged on corresponding to this locking bar on the side bar of this first loam cake framework;

Latch fitting is arranged on corresponding to this locking bar on the desired location of entablatrance of this first end wall and second end wall, also is provided with the locking hole adaptive with this locking bar on this latch fitting;

The side bar slotted hole adaptive with this latch fitting is arranged on corresponding to this latch fitting on the medial surface desired location of side bar of this first loam cake framework.

Above-mentioned Foldable tray, its characteristics are, this first loam cake also is provided with a brace panel with second loam cake side bar two ends that are connected separately, and this brace panel is provided with a knock hole, and this knock hole cooperates with the corresponding locating dowel pin that is arranged on this first side wall and the second side edge column top.

Above-mentioned Foldable tray, its characteristics are, also are provided with a pile bracing or strutting arrangement on this brace panel, and this pile bracing or strutting arrangement comprises:

The pile strut member is provided with around this brace panel;

Stacking fitting, adaptive with the corresponding pile hole that is arranged on the pallet case chassis.

Above-mentioned Foldable tray, its characteristics are that the pre-position also is provided with handle on this first side wall, second sidewall, first end wall and second end wall.

Above-mentioned Foldable tray, its characteristics are that the base plate on this chassis is an inclined floor, are height reduction trend from the second end wall end to the first end wall end and are obliquely installed.

Above-mentioned Foldable tray, its characteristics be, the end side bar of first end wall, one side on the side girders on this chassis and this chassis, and this bearing surface inner side edge is along being extended with a side that has a clinch in case certainly, and the edge of the base plate on this clinch and this chassis overlaps.

Above-mentioned Foldable tray, its characteristics are that the side that the end side bar of first end wall, one side on this chassis extends is provided with a discharge gate.

According to one side of the present utility model, by connection structure that can not dismantle easily and removable, as sidewall be connected with the bolt shaft on chassis, end wall is connected with the bolt shaft on chassis, and another end wall be connected with the hinge on chassis, avoided making whole unsve phenomenon because of single loss of parts or the breakage of single parts; And by on the sidewall column, jut being set, to realize the little and scratch that when folding, effectively avoid producing side panel in slit between assembling rear wall and the end wall; And pallet case of the present utility model other two sidewalls after having folded two end walls can not fall down voluntarily and be easy to operate.

Below in conjunction with the drawings and specific embodiments the utility model is described in detail, but not as to qualification of the present utility model.

Description of drawings

Fig. 1 is the integral structure scheme drawing of the utility model Foldable tray;

Fig. 2 is the utility model pallet case folded state scheme drawing;

Fig. 3 is the structural representation on the chassis of the utility model pallet case;

Fig. 4 A is the structural representation of second end wall of the utility model pallet case;

Fig. 4 B is the enlarged diagram of the connection structure on second end wall and chassis in the utility model;

Fig. 4 C is the cut-away view of the connection structure on second end wall and chassis in the utility model;

Fig. 5 A is the structural representation of first end wall of the utility model pallet case;

Fig. 5 B is the enlarged diagram of the connection structure of chassis and first end wall in the utility model;

Fig. 5 C is junction, a chassis enlarged diagram among Fig. 5 B;

Fig. 5 D is the first end wall junction enlarged diagram among Fig. 5 B;

Fig. 5 E is the structural representation that is used to connect the bolt shaft on first end wall and chassis among Fig. 5 B;

Fig. 6 A is the structural representation of the first side wall of the utility model pallet case;

Fig. 6 B is the first side wall and a chassis bonded assembly structural representation in the utility model, and wherein this first side wall is in semi-collapsed condition;

Fig. 6 C is the enlarged diagram of the first side wall and junction, chassis among Fig. 6 B;

Fig. 6 D is that the cut-away view that is located by connecting is supported on the first side wall and chassis in the utility model;

Fig. 7 A is the structural representation of second sidewall of the utility model pallet case;

Fig. 7 B is the locating pin structure scheme drawing on second sidewall, one side side edge column top among Fig. 7 A;

Fig. 8 A is the connection structure scheme drawing that the utility model pallet case has been assembled second end wall and this sidewall behind two sidewalls, and wherein this second end wall is in semi-collapsed condition;

Fig. 8 B is the first side wall and the second end wall clamping state cutaway view among Fig. 8 A;

Fig. 8 C be on the first side wall among Fig. 8 A with the structural representation of the spacing shackle portion of the second end wall clamping;

Fig. 8 D be on second end wall among Fig. 8 A with the structural representation of the end wall edge column of the first side wall clamping;

Fig. 9 is the structural representation by lockset locking between sidewall and the end wall in the utility model;

Figure 10 is the three-dimensional decomposition texture scheme drawing of the utility model first loam cake;

Figure 11 A is the birds-eye view of the utility model first loam cake;

Figure 11 B is the lateral plan along X-X direction among Figure 11 A;

Figure 11 C is the birds-eye view of the utility model second loam cake;

Figure 11 D is the lateral plan along Y-Y direction among Figure 11 C;

Figure 12 A is the structure enlarged diagram that the utility model loam cake is provided with the pile bracing or strutting arrangement;

Figure 12 B be on the utility model chassis with the structural representation in the adaptive pile hole of this pile bracing or strutting arrangement;

Figure 13 is an A part-structure enlarged diagram among Fig. 1, wherein shows the bridging arrangement of the utility model first loam cake and second loam cake;

Figure 14 A is the enlarged diagram of B part-structure among Fig. 1, wherein shows the position of drain gutter on first loam cake and the second loam cake framework side bar;

Figure 14 B is the structural representation of first loam cake and end wall locking in the utility model;

Figure 14 C is the cutaway view of Z-Z direction among Figure 14 B;

Figure 15 is a C part-structure enlarged diagram among Fig. 1, wherein shows the utility model loam cake and sidewall and uses double-strand chain bonded assembly structure;

Figure 16 is the view after loam cake of the present utility model is opened.

The specific embodiment

As shown in Figure 1, show the structure of Foldable tray 10 of the present utility model, this pallet case 10 comprises: chassis 11, the first side wall 12, first end wall 13, second sidewall 14, second end wall 15 that can interfolded and first loam cake 16 and second loam cake 17 that covers the pallet upper box part, make the pallet box-shaped become an osed top space, especially be fit to use the packed fortune liquid dielectric of liner.First, second end wall 13,15 is installed in respectively on one group of opposite side on chassis 11, first, second sidewall 12,14 is installed in respectively on other one group of opposite side on chassis 11, first loam cake 16 is installed on the first side wall 12, and second loam cake 17 is installed on second sidewall 14.Link together with hinge between second end wall 15 and the chassis 11, other three side panels, the first side wall 12, first end wall 13, second sidewall 14 are connected with the bolt shaft of chassis 11 usefulness horizontal directions, are connected with biaxial hinge between loam cake and the sidewall.In addition, also pass through the limited block clamping between sidewall and the end wall, and by lockset 40 lockings; First loam cake 16 is connected by biaxial hinge attaching parts 20 respectively with between the first side wall 12, second sidewall 14 with second loam cake 17, and at adjacent edge place overlap joint, and on first loam cake 16, lock by lockset 30 and end wall 13,15.When four side panels launch uprightly to interconnect, just formed a box container containing, when after side panel is folding, lying against on the chassis, reduced the height of unloaded casing, be convenient to deposit and transport.

As shown in Figure 2, when needing to fold, chassis 11 is set level, open loam cake lockset 30 earlier, open first loam cake 16, open second loam cake 17 again, open the lockset 40 on second end wall 15 then, second end 15 is folded on the chassis 11, open the lockset 40 on first end wall 13 again, first end wall 13 is folded on second end wall 15, mention again and folding the first side wall 12, the first side wall 12 is folded on first end wall 13, mention again and folding second sidewall 14, second sidewall 14 is folded on first loam cake 16, and this case is folding fully like this.Pile again under this state has been saved storage and transport space.

Opening and assembling process of chest can be finished according to folding opposite sequence.And each distolateral wall of the utility model pallet case and loam cake connection had both guaranteed that each parts was difficult for losing, and changed easily when guaranteeing each parts damage again.

As shown in Figure 3, show the structure on chassis 11 of the present utility model.This chassis 11 is a double-layer structure, comprises the side girders 112,114 of bottom frame 111 and top and the upper strata framework that end side bar 113,115 constitutes.111 4 bights of framework are provided with corner post 110.11 sidepieces on the chassis, side girders 112,114 connects between the side elevation 110a of two corner posts 110, and has a bearing surface 1122 that is used to support this first side wall 12/ second sidewall 14, reach one and be used to limit the confined planes 1121 that this first side wall 12/ second sidewall 14 outwards moves, this confined planes 1121 is along this vertical setting in bearing surface 1122 outer side edges edge.11 ends on the chassis, end side bar 113,115 is connected between the end facade 110b of two corner posts 110, and each end side bar 113,115 has a bearing surface 1132 that is used to support this first end wall, 13/ second end wall 15; And the end side bar 113 of these first end wall, 13 sides also has one and is used to limit the confined planes 1131 that this first end wall 13 outwards moves, and this confined planes 1131 is provided with along vertical along these bearing surface 1132 outer side edges.And, the end side bar 113 of first end wall, 13 1 sides on the side girders 112,114 on this chassis 11 and this chassis 11, along to being extended with a side 1123,1133 that has a clinch 1123a (shown in Fig. 6 D) in the case, the edge of the base plate on this clinch and this chassis 11 overlaps from this bearing surface 1122,1132 inner side edges.The base plate on this chassis 11 is obliquely installed, and is the setting of height decline trend from second end wall, 15 1 ends to first end wall, 13 1 ends, and the side 1133 that the end side bar 113 of first end wall, 13 1 sides on this chassis 11 extends is provided with a discharge gate 1133a.Preferable, this base plate is made of three parts 1181,1182,1183, and one end tilts to the discharge gate 1133a at middle part from the two side for its part 1182,1183, is convenient to discharge.

Shown in Fig. 4 A, second end wall 15 of the present utility model comprises: the framework that is made of the end wall edge column 152,154 of end wall cross sill 151, end wall entablatrance 153, both sides, and the inner panel 156 that covers this framework inboard.Also be provided with on this end wall entablatrance 153 with on the latch fitting 1531 that locks of the lockset 30 that covers, have locking hole 1533 on the latch fitting 1531 with the locking bar coupling of lockset 30.Preferable, also be provided with handle 159 on this second end wall 15.

Shown in Fig. 4 B, 4C, this second end wall 15 is connected by hinge 50 with chassis 11.Second end wall 15 is riveted together with a connecting strap 51 usefulness rivets 511 of hinge 50, chassis 11 is riveted together with hinge 50 another connecting strap 52 usefulness rivets 512, connect with jointed shaft 53 between two connecting

straps

51,52, so just second end wall 15 is connected together with chassis 11, guarantee that like this second end wall 15 can be because of not separating with chassis 11 and lose, and second end wall 15 can be by hinge 50 and folding in case.If during second end wall, 15 damaged need replacings, even the rivet head of rivet 511 out, second end wall 15 is separated with hinge 50, to change the second new end wall 15 and rivet again, the second new like this end wall 15 is connected as a single entity again with chassis 11.

Shown in Fig. 5 A, first end wall 13 of the present utility model and second end wall 15 are similar, also comprise: the end

wall edge column

132 and 134 of end wall cross sill 131, end wall entablatrance 133, both sides, inner panel 136, latch fitting 1331, handle 139 etc.Difference is, is connected with bolt shaft between this first end wall 13 and the chassis 11, therefore, is provided with end

wall attaching parts

1321,1341 in both sides end wall edge column 132,134 bottoms, is used for being connected with chassis 11.

Shown in Fig. 5 B～5E, show the structure of the second bolt shaft device that is used to connect first end wall 13 and chassis 11 in the utility model, comprising: end wall attaching parts 1321 and 1341, it is provided with end wall tapped bore 1321a (shown in Fig. 5 D); Circular hole 1103 is arranged on corresponding to this end wall tapped bore 1321a on the corner post 110 end facade 110b on this chassis 11; One bolt shaft 1322, one end 1322a is threaded 1322c, and the other end is polished rod 1322b (shown in Fig. 5 E).Shown in Fig. 5 C, be installed as its installation process of example explanation with first end wall, 13 left sides, the installing space 1130 between first end wall 13 end wall attaching partss, the 1321 insertion end side bars 113 and the corner post 110, and tapped bore 1321a aligns with circular hole 1103 on 11 corner posts 110 of chassis, bolt shaft 1322 is screwed in, make screw thread fit between the tapped bore 1321a of end wall attaching parts 1321 of the thread end 1322a of bolt shaft 1322 and first end wall 13, and bolt shaft 1322 front end polished rod 1322b are inserted in the circular hole 1103 on 11 corner posts 110 of chassis, such first end wall 13 connects together by bolt shaft 1322 with chassis 11, shown in Fig. 5 B.When first end wall 13 was assembled with chassis 11, the right side part of first end wall 13 was identical with above-mentioned left part with the connection on chassis 11, does not repeat them here.

So just can not produce first end wall 13 because of separating the phenomenon of losing, and first end wall 13 can be folding in case around bolt shaft 1322 with chassis 11.If 13 breakages of first end wall need to change, back out bolt shaft 1322, change the first new end wall 13, use the same method to be connected and tighten with chassis 11, so just guaranteed first end wall, 13 convertibilitys.

In the utility model, be connected firmly in order to make, before bolt shaft 1322 is not screwed into, in tapped bore 1321a, squeeze into metal-to-metal adhesive earlier, like this when bolt shaft 1322 be screwed into and gelling solid after, first end wall 13 and chassis 11 firm and reliable connection.The phenomenon that first end wall 13 is lost so just can not appear.When changing first end wall 13, can heat the end wall attaching parts earlier, metal-to-metal adhesive is melted, back out bolt shaft, change the first new end wall 13, making uses the same method tightens.

As shown in Figure 6A, the first side wall 12 of the present utility model comprises: sidewall cross sill 121, sidewall entablatrance 123, side walls edge column 122 and 124 and be used for and the first loam cake bonded assembly attaching parts 22, handle 129 etc.Wherein, side edge column 122,124 end portions cooperate with corner post 110 on this chassis 11, form a step.In order to realize that the first side wall 12 is connected with the bolt shaft on chassis 11, the end of sidewall cross sill 121 both sides is provided with sidewall attaching parts 1221,1241, has tapped bore on it.Preferable, on side edge column 122,124, also be provided with the limited block 1223 that is used for the end wall clamping; On side edge column 122,124 tops, locating dowel pin 1226,1246 is set.

Shown in Fig. 6 B～6D, show being connected of the first side wall 12 and chassis 11.The first side wall 12 and the connection mode that is similar to first end wall 13 and chassis 11 being connected of chassis 11.When the first side wall 12 is assembled with chassis 11, shown in Fig. 6 C, 6D, being connected to example with the left side describes: earlier the tapped bore 1221a on the first side wall 12 sidewall attaching partss 1221 is alignd with slotted hole 1102 on 11 corner posts, 110 side elevations of chassis, bolt shaft 1222 (identical with bolt shaft 1322) is screwed in, make screw thread fit between the tapped bore 1221a on the sidewall attaching parts 1221 of the thread end of bolt shaft 1222 and the first side wall 12, and bolt shaft 1222 front end polished rods are inserted in the slotted hole 1102 on 11 corner posts 110 of chassis.The connection on the first side wall 12 right side parts and chassis 11 is identical with the connection mode on left part and chassis, does not repeat them here.

The first side wall 12 and chassis 11 connect together by bolt shaft like this, so just can not produce the first side wall 12 because of separating the phenomenon of losing with chassis 11, and the first side wall 12 can be carried on the slotted hole on the corner post 110 1102, is rotary folding in the horizontal axis case with bolt shaft 1222 again.And, if the first side wall 12 breakages need to change, back out bolt shaft 1222, change new the first side wall 12, use the same method to be connected and tighten with chassis 11, so just guaranteed the convertibility of the first side wall 12.

Shown in Fig. 7 A, 7B, second sidewall 14 of the present utility model also comprises: sidewall cross sill 141, sidewall entablatrance 143, side

walls edge column

142 and 144, be used for and the second loam cake bonded assembly attaching parts 22, handle 149, locating dowel pin 1426 and

limited block

1423 and 1443 etc.This second sidewall 14 is identical with the connection mode on chassis 11 with the connection and the first side wall 12 on chassis 11, is connected with chassis 11 usefulness bolt shaft by sidewall attaching parts 1421,1422, and this has just guaranteed the folding property and the convertibility of second sidewall 14.

Shown in Fig. 8 A, assembled the connection structure scheme drawing of second end wall and this sidewall behind two sidewalls for the utility model pallet case, wherein this second end wall is in semi-collapsed condition.The utility model realizes that also by limited block on the side edge column 1423 and the clamping of end wall edge column end wall is connected with the reliable of sidewall.

Shown in figure 8B～8D, casing is opened when assembling, earlier with the first side wall 12 and second sidewall 14 uprightly to chassis 11, uprightly play first end wall 13 and second end wall 15 again, because the mutual clamping of distolateral wall and distolateral wall is locked with lockset 40.

To interface arrangment of the present utility model be described with the interface arrangment between the first side wall 12 and second end wall 15 below.

Shown in Fig. 8 B, these the first side wall 12 side edge columns 122 are provided with the limited block 1223 of flute profile end wall edge column 152 clampings of second at least one with the contiguous end wall 15, this limited block 1223 is formed with a spacing space 1220 with this side edge column 122, is used to hold the outside cell wall 152a (shown in Fig. 8 D) of this end wall edge column 152.Preferable, shown in Fig. 8 C, in this spacing space 1220, along also being provided with a jut 1227 (with similar as jut 1427 among Fig. 8 A) on the side edge column 122 of this first side wall 12, this jut 1227 has a predetermined thickness with respect to the inner panel 126 of this first side wall 12.

State when second end wall 15 shown in Fig. 8 B uses with the first side wall 12 loads, side edge column 122 on the first side wall 12 and limited block 1223 limit the edge column 152 on second end wall 15, guarantee the small gap L1 requirement between two walls.When folded state, because edge column 122 has a relative jut 1227 with respect to panel 126 on the first side wall 12, this jut can be an independent part, it also can be a step of edge column 122, when second end wall 15 is inwardly folding, the slit L2 that second end wall 15 and the first side wall panel are 126 is just greater than slit L1, and this has just guaranteed that second end wall 15 is difficult for scratching the first side wall 12 panels 126 when folding, and inner panel 126 is difficult for scratch and is easy to folding like this.Second end wall 15 is identical with the first side wall 12 with the interface arrangment of second sidewall 14, and the interface arrangment of the interface arrangment of first end wall 13 and all

sidewalls

12,14 and second end wall is identical, does not repeat them here.

As shown in Figure 9, show in the utility model between the end wall and sidewall the structure by lockset 40 lockings, this lockset 40 comprises the lock frame 41 that is arranged on the end wall and is installed in locking bar 42 on the lock frame 41.By the hole on the end wall edge column, enter the locking hole locking on the sidewall edge column in the time of locking bar 42 lockings.

As shown in figure 10, show the structure of first loam cake of the present utility model, second superstructure is similar with it.This first loam cake 16 includes framework 161, panel 162, and panel 162 is fixed on the framework 161, on the inner surface that can be arranged on framework.Its middle frame 161 include relative connection side bar 1612 and overlap joint side bar 1614 and be oppositely arranged and with is connected side bar 1612 and overlaps two

side bars

1611 and 1613 that side bar 1614 is connected to form closed frame, one of them side bar of these two

side bars

1611,1613 is provided with drain gutter 1617, and perhaps two side bars all are provided with drain gutter 1617.

Shown in Figure 11 A, this connection side bar 1612 is provided with for biaxial hinge attaching parts 20 bonded assembly hinge connectors 21.Shown in Figure 11 B, this overlap joint side bar 1614 forms a hat boss, it forms a table top 1614b by the preset width that stretches out of the edge, top with the inboard facade 1614a of

framework side bar

1611,1613 bonded assemblys, and is constituted one and buckle cap along further forming a shade face 1614c to the case inner bending by the outer side edges of this table top 1614b.This panel 162 is a whole plate of a side band bending, be arranged on the inboard of framework 161, its three limits are concordant with framework 161 outward flanges of first loam cake 16, another one bending edges 1621 overlaps with the inboard facade of overlap joint side bar 1614, and bending has certain altitude, when above such first loam cake 16 water being arranged, just can not flow in the case from lap-joint, again because other three face extends to outside wall box and the end wall, therefore water is outside other three surface currents outlet, and such first loam cake 16 just can not the water antileaking.

In the utility model, also be provided with lockset 30 on first loam cake 16, this lockset 30 is fixed on the framework, and

contiguous side bar

1611,1613 is provided with, and cooperates with latch fitting 1331,1531 on being arranged on

end wall

13,15, realizes locking.In order to cooperate with latch fitting, the utility model has lockhole 313, side bar slotted hole 311 and panel slotted hole 321 (seeing Figure 10, Figure 14 B, 14C) at the locking position of first loam cake, 16 side bars 1611,1613.After loam cake was built, latch fitting passed panel slotted hole 321, side bar slotted hole 311, and the locking hole on it is corresponding with lockhole 313, and the locking bar of lockset 30 passes the locking hole on lockhole 313 and the latch fitting, and first loam cake 16 is locked, thereby made

loam cake

16,17 and casing locking.

Shown in Figure 11 C, 11D, second loam cake, 17 structures of the present utility model and first loam cake, 16 similar also include framework 171, panel 172, hinge connector 21, and panel 172, hinge connector 21 all are fixed on the framework 171.The overlap joint side bar 1714 of this second loam cake 17 also is formed with the hat boss, but this boss width is little than the boss width of first loam cake 16, so that the overlap joint of first loam cake 16 and second loam cake 17.Equally, the panel 172 of the second loam cake 17 also structure with the panel 162 of first loam cake 16 is also similar, so also can the water antileaking.

In the utility model, on first loam cake 16 and second loam cake 17, also be provided with pile device 166.Shown in Figure 12 A, with first loam cake 16 is the example explanation, also be provided with a brace panel 1660 at connection side bar 1612 two ends, this brace panel 1660 is provided with a knock hole 1666, and this knock hole 1666 and the corresponding locating dowel pin that is arranged on this first side wall 12 and second sidewall, 14 edge column tops cooperate.Also be provided with a pile bracing or strutting arrangement on this brace panel 1660, this pile bracing or strutting arrangement comprises: stacking fitting 1661, be arranged on the brace panel 1660, and with the corresponding pile hole 1161 adaptive (shown in Figure 12 B) that is arranged on the pallet case chassis 11; Pile strut member 1662 is provided with around this brace panel 1660, and this stacking fitting 1661 exceeds pile strut member 1662 tops.When this case under running condition, loam cake is placed on the locating dowel pin on the sidewall by the knock hole on the brace panel, so just loam cake is limited, when pile, pile hole on the chassis is put on the stacking fitting, and the pile chassis also is limited, like this in load pile and transportation, loam cake and the distolateral wall of this case reach with pile case chassis and all are fixed, relatively parallel motion.

As shown in figure 13, show the bridging arrangement of the utility model first loam cake 16 and second loam cake 17.The inboard facade 1614a of the overlap joint side bar 1614 on first loam cake, 16 frameworks 161 overlaps mutually with the bending edges 1621 of panel 162 and forms water repellant structure, the inboard facade 1714a of the overlap joint side bar 1714 on second loam cake, 17 frameworks 171 also overlaps mutually with the bending edges 1721 of panel 172 and forms water repellant structure, and the overlap joint side bar 1614 of first loam cake 16 has the shade face 1614c of downward button, its three face is buckled on the overlap joint side bar 1714 of second loam cake 17, and lap-joint also has water-proof function like this.So just reached not water easy-storing antileaking of the superstructure formed by first loam cake 16, second loam cake 17.

Simultaneously, shown in Figure 14 A, first loam cake 16, second loam cake 17 are at side bar 1613, establishing on 1713 all has

drain gutter

1617,1717, relative side bar 1611 with it, 1711 also can have identical drain gutter, when situations such as loam cake is drenched with rain,

drain gutter

1617,1717 helps last upper part of the cover water guaranteeing that thus whole case lid can water and water-tight apace outside loam cake is discharged to case.

Shown in Figure 14 B, 14C, the detailed structure that shows the lockset 30 of locking loam cake and end wall in the utility model.With first loam cake 16 and first end wall, 13 1 side chains tightly is example: when first loam cake 16 is built, slotted hole 321 on its side bar 1613 just in time embeds in the latch fitting 1331, again the locking bar 31 of lockset 30 is inserted in the locking hole 1331a of the lockhole 313 of side bar 1613 and latch fitting 33, the handle 311 of locking bar 31 ends is clamped on the lock frame 32, and lockset is locked.Such first loam cake 16 just by locked on the casing end wall.Second loam cake 17 is because stuck by first loam cake 16, and whole like this loam cake just is locked together with casing.

In the utility model, link with double-strand chain between loam cake and the sidewall.As shown in figure 15, show the connection structure of loam cake and sidewall in the utility model.Be connected to example with first loam cake 16 with the first side wall 12 usefulness biaxial hinge attaching partss 20 and describe, this biaxial hinge attaching parts 20 comprises: first hinge connector 21 is fixedly installed on this first loam cake 16 and connects on the desired location of side bar 1612; Second hinge connector 22 is arranged on the desired location of this wall box 12 corresponding to the position of this first hinge connector 21; Biaxial hinge 23, its two ends are connected with second hinge connector 22 with this first hinge connector 21 respectively by hinge axis 25,26, and this hinge axis 25,26 is provided with rivet hole.During connection, put biaxial hinge 23 well, its pan is alignd with the hole on first loam cake, 16 hinge connectors 21, put on hinge axis 25, rivet with rivet 251 on hinge axis 25, rivet plays position-limiting action, and hinge is fixed, first loam cake 16 connects as one by hinge axis 25 with biaxial hinge 23, and first loam cake 16 and biaxial hinge attaching parts 20 can relatively rotate by hinge axis 25.Sidewall 12 is connected by hinge axis 26 in the same manner with biaxial hinge attaching parts 20, so just guarantee that biaxial hinge chaining part 20 and sidewall 12 are connected as a single entity, and sidewall 12 relatively rotates by hinge axis 26 with biaxial hinge attaching parts 20, and above connection mode has just guaranteed that first loam cake 16 is turning and lain in sidewall 12 1 sides (seeing Figure 16).Such first loam cake 16 just is linked as one with the first side wall 12, and the assurance loam cake can not be lost.If the loam cake breakage needs to change, destroy rivet head, take out hinge axis, change new loam cake, re-assembly.So just guarantee the convertibility of loam cake.

Second loam cake 17 is same as described above with the connection mode of sidewall 14.When loam cake will be opened, open lockset, first, second loam cake all is turned to sidewall one side, helps the folding of FCL, as shown in figure 16.

With reference to figure 1,2,3, when this case in folding process, second end wall 15, first end wall 13 has folded when finishing, the first side wall 12 stands on the chassis 11, the first side wall 12 cross sills 121 are put on the bearing surface 1122 of chassis 11 side girders 112 (seeing Fig. 6 D), and because bolt shaft is screwed in the sidewall attaching parts tapped bore and the slotted hole of chassis angle column interior (slotted hole above-below direction), the first side wall 12 is connected on the chassis by bolt shaft, and because the first side wall 12 two ends connection structures are identical, so just guarantee can only make progress translation and can not translation in case or outside the case of the first side wall 12.Contact with chassis 11 side girders, 112 bearing surfaces 1122 and the first side wall 12 when standing on the chassis 11 at the first side wall 12 cross sills 121, because bolt shaft 1222 is L3 with the distance of the medial surface on the first side wall 12 and chassis 11, and bolt shaft 1222 is away from the side in the case, under this state, the first side wall 12 can't fall down in case voluntarily, and this can not injured because of falling down voluntarily of sidewall when having folded end wall with regard to having guaranteed the staff.When needing to fold, hold the handle 129 on the first side wall 12, along carrying the first side wall 12 certain altitudes on the chassis angle column slotted hole direction, at this moment the first side wall cross sill 121 separates with chassis 11 side girders, 112 bearing surfaces 1122, slowly inwardly be folded down the first side wall 12 again, it is set level.Second sidewall 14 is identical with the first side wall 12 method for folding.

Certainly; the utility model also can have other various embodiments; under the situation that does not deviate from the utility model spirit and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the utility model.

Claims

1, a kind of Foldable tray includes at least

It is characterized in that, be movably connected by the first bolt shaft connecting device respectively between these two sidewalls and this chassis, be movably connected by the second bolt shaft connecting device between this first end wall and this chassis, be connected through the hinge together between this second end wall and this chassis, and link together by lockset locking between sidewall and the end wall.

2, Foldable tray according to claim 1 is characterized in that, this first bolt shaft connecting device comprises:

3, Foldable tray according to claim 2 is characterized in that, this second bolt shaft connecting device comprises:

4, Foldable tray according to claim 3, it is characterized in that, also be respectively arranged with the limited block of the flute profile end wall edge column clamping of at least one and adjacent end wall on this first side wall and the second sidewall side walls edge column, this limited block and this side edge column are formed with a spacing space, hold the outside cell wall of this end wall edge column.

5, Foldable tray according to claim 4, it is characterized in that, in this spacing space, along also being provided with a jut on the side edge column of this first side wall and second sidewall, this jut has a predetermined thickness with respect to the inner panel of this first side wall and second sidewall.

6, Foldable tray according to claim 5 is characterized in that, the side girders on this chassis has a bearing surface that is used to support this first side wall/second sidewall; Reach one and be used to limit the confined planes that this first side wall/second sidewall outwards moves, this confined planes is along this vertical setting in bearing surface outer side edges edge.

7, Foldable tray according to claim 6 is characterized in that, the end side bar on this chassis has a bearing surface that is used to support this first end wall/second end wall; And the end side bar of the first end wall side also has one and is used to limit the confined planes that this first end wall outwards moves, and this confined planes is provided with along vertical along the bearing surface outer side edges of this end side bar.

8, according to the described Foldable tray of arbitrary claim in the claim 1～7, it is characterized in that, this pallet case also includes the loam cake that covers the pallet upper box part, this loam cake is made up of first loam cake and second loam cake, this first loam cake and second loam cake respectively and adjacent with it the first side wall and second sidewall link together and this first loam cake and this second loam cake overlap joint by the biaxial hinge attaching parts.

9, Foldable tray according to claim 8 is characterized in that, this biaxial hinge attaching parts comprises:

10, Foldable tray according to claim 9 is characterized in that, also is provided with drain gutter on the framework side bar of this first loam cake and second loam cake.

11, Foldable tray according to claim 10 is characterized in that, this covers the lockset that also is provided with this first end wall and the locking of second end wall on first, and this lockset comprises:

The lock frame is arranged on this and covers on first;

Locking bar is movably arranged on this lock frame;

12, Foldable tray according to claim 9, it is characterized in that, this first loam cake also is provided with a brace panel with second loam cake side bar two ends that are connected separately, this brace panel is provided with a knock hole, and this knock hole cooperates with the corresponding locating dowel pin that is arranged on this first side wall and the second side edge column top.

13, Foldable tray according to claim 12 is characterized in that, also is provided with a pile bracing or strutting arrangement on this brace panel, and this pile bracing or strutting arrangement comprises:

The pile strut member is provided with around this brace panel;

14, Foldable tray according to claim 1 is characterized in that, the pre-position also is provided with handle on this first side wall, second sidewall, first end wall and second end wall.

15, Foldable tray according to claim 7 is characterized in that, the base plate on this chassis is an inclined floor, is height reduction trend from the second end wall end to the first end wall end and is obliquely installed.

16, Foldable tray according to claim 15, it is characterized in that, the end side bar of first end wall, one side on the side girders on this chassis and this chassis, this bearing surface inner side edge is along being extended with a side that has a clinch in case certainly, and the edge of the base plate on this clinch and this chassis overlaps.

17, Foldable tray according to claim 16 is characterized in that, the side that the end side bar of first end wall, one side on this chassis extends is provided with a discharge gate.