CN213863156U - Turnover case with curb plate anticreep card structure - Google Patents

Abstract

The utility model belongs to the field of turnover case especially relates to turnover case with curb plate anticreep card structure. Including chassis, rotatable locating preceding curb plate, posterior lateral plate on the chassis, equal fixedly connected with link on the chassis left and right sides, both sides the cross connection has left side board and right side board on the link, the both sides of preceding curb plate are equipped with to the overhanging card of both sides protruding, be equipped with the confession on the link the protruding vertical groove that stretches into of card, just one side in vertical groove is equipped with and supplies the mouth that breaks away from of the protruding roll-off of card, the card is protruding to leave behind the vertical groove from breaking away from the mouth, preceding curb plate can be followed the link and dismantled. Adopt vertical groove and the protruding cooperation of both sides card of preceding curb plate, restriction card is protruding can only reciprocate or rotate, even the preceding curb plate can only rotate relative the chassis and fold up or relative chassis reciprocates, when removing to the break away from mouthful, only need shift out the protruding follow of card that breaks away from mouthful, can demolish preceding curb plate from the chassis.

Description

Turnover case with curb plate anticreep card structure

[ technical field ] A method for producing a semiconductor device

The utility model belongs to the field of turnover case especially relates to turnover case with curb plate anticreep card structure.

[ background of the invention ]

The transfer box is a packaging device commonly used in the field of freight transportation, and is widely used in the packaging and transportation of liquid, especially non-chemical raw materials, and granular and powdery objects, and the transfer box usually has a large enough accommodating space to accommodate the goods. The general turnover box is made into a foldable type, and the side plates on the periphery of the turnover box can be rotated and folded towards the direction of the bottom plate. The side plates of the existing turnover box are connected in a hinged mode, can only rotate and are difficult to install and disassemble, and if the problem that the single side plate is damaged and needs to be replaced, the side plates are troublesome to disassemble and difficult to replace.

[ summary of the invention ]

For solving the problem that the curb plate is difficult to dismantle among the prior art, the utility model provides a turnover case with curb plate anticreep card structure.

The utility model discloses a realize through following technical scheme:

turnover case with curb plate anticreep card structure, including chassis, rotatable locating preceding curb plate, posterior lateral plate on the chassis, equal fixedly connected with link on the chassis left and right sides, both sides articulated on the link have left side board and right side board, the both sides of preceding curb plate are equipped with to the overhanging card of both sides protrudingly protruding, be equipped with the confession on the link the protruding vertical groove that stretches into of card, just one side in vertical groove is equipped with and supplies the mouth that breaks away from of the protruding roll-off of card, the card is protruding to leave behind the vertical groove from breaking away from the mouth, preceding curb plate can be followed and is dismantled on the link.

According to the turnover box with the side plate anti-disengaging structure, the upper end face of the bottom frame is provided with the embedded groove for embedding the lower end of the front side plate.

According to the turnover box with the side plate anti-disengaging structure, the disengaging opening is close to the upper end of the vertical groove.

According to the turnover box with the side plate anti-disengaging structure, the disengaging opening is provided with the guide structure which inclines from outside to inside.

According to the turnover box with the side plate anti-disengaging structure, the left cover plate can be turned outwards relative to the left side plate, and the gravity center formed by the left side plate and the left cover plate deviates outwards from the plane of the hinge point of the left side plate and the bottom frame.

According to the turnover box with the side plate anti-disengaging structure, the connecting frames are fixedly connected to the left side and the right side of the bottom frame, the left side plate is hinged to the left connecting frame, and the left side plate is hinged to the connecting frames through the hinge pieces extending downwards from the two sides.

According to the turnover box with the side plate anti-disengaging structure, the lower end of the hinge piece opposite to the connecting frame protrudes to the right side, so that the lower end of the hinge piece is wider than the upper end of the hinge piece, and the hinge part of the hinge piece and the connecting frame is positioned on the right side of the center line of the hinge piece.

According to the turnover box with the side plate anti-disengaging structure, the left side plate is connected to the inner side of the upper end of the hinge piece and is positioned at the center line of the hinge piece or on the left side of the center line of the hinge piece.

Compared with the prior art, the utility model discloses there is following advantage:

1. the utility model provides a turnover case with curb plate anticreep card structure, it adopts the protruding cooperation of both sides card of vertical groove and preceding curb plate, restriction card is protruding can only reciprocate or rotate, even the preceding curb plate can only rotate relative chassis and fold up or relative chassis reciprocates, when removing the break away from the mouth, only need shift out the protruding follow break away from the mouth of blocking of card, can follow the chassis with preceding curb plate and demolish, this structure one can restrict the preceding curb plate and be difficult for breaking away from, two can not hinder the relative chassis rotation of preceding curb plate, moreover, dismantle, the installation is easy, the later maintenance of being convenient for.

2. The utility model discloses turnover case with curb plate anticreep card structure, its embedded groove on still cooperating the chassis for preceding curb plate expandes the state and can keep erectting, when needs are folding, only needs slightly to lift preceding curb plate, can make it break away from the embedded groove, and chassis rotation relatively. And the position of the separation opening is higher, so that the separation opening is not easy to separate from the separation opening when the lifting is carried lightly.

[ description of the drawings ]

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a structural view of a transfer container; fig. 2 is a structural view of the turnover box (the upper cover plate is opened); FIG. 3 is an exploded view of the structure of the transfer container; FIG. 4 is a folded state view of the container (front and rear side panels folded); FIG. 5 is a structural view of a side panel; FIG. 6 is an exploded view of the structure of the side panel; FIG. 7 is a view showing the locking member of the upper lid of the turnover box; fig. 8 is a structural view (unlocked state) of a lock piece of an upper cover of the turnover box; FIG. 9 is an exploded view of the upper cover latch; FIG. 10 is a structural view of the folded turnover box; FIG. 11 is a schematic view showing a plurality of folded containers stacked together; FIG. 12 is a view of the locking member of the side plate of the turnover box; FIG. 13 is a second view of the locking member of the side plate of the turnover box; FIG. 14 is a schematic view of an anti-disengaging structure of a front side plate of the turnover box; FIG. 15 is a second schematic view of an anti-disengaging structure of a front side plate of the turnover box; fig. 16 is a schematic view of a discharging structure on the transfer container; fig. 17 is a schematic view (open state) of the unloading structure on the turnover box; fig. 18 is a schematic view of the unloading structure on the turnover box (unfolded state); FIG. 19 is a structural view of an auxiliary guide plate; fig. 20 is a schematic view of a linkage structure on the auxiliary guide plate.

[ detailed description ] embodiments

In order to make the technical problem, technical solution and advantageous effects solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to further explain the present invention in detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The utility model discloses a realize through following technical scheme:

as shown in fig. 14 and 15, the turnover box with the side plate anti-disengaging structure includes a bottom frame 21, a front side plate 22 and a rear side plate 23 rotatably disposed on the bottom frame 21, a connecting frame 91 is fixedly connected to both sides of the bottom frame 21, a left side plate 24 and a right side plate 25 are hinged to the connecting frame 91 on both sides, clamping protrusions 221 extending outwards from both sides are disposed on both sides of the front side plate 22, a vertical groove 222 for the clamping protrusion 221 to extend into is disposed on the connecting frame 91, a disengaging opening 223 for the clamping protrusion 221 to slide out is disposed on one side of the vertical groove 222, the clamping protrusion 221 is disengaged from the vertical groove 222 through the disengaging opening 221, and the front side plate 22 can be detached from the connecting frame 91. The utility model provides a turnover case with curb plate anticreep card structure, it adopts the protruding cooperation of both sides card of vertical groove and preceding curb plate, restriction card is protruding can only reciprocate or rotate, even the preceding curb plate can only rotate relative chassis and fold up or relative chassis reciprocates, when removing the break away from the mouth, only need shift out the protruding follow break away from the mouth of blocking of card, can follow the chassis with preceding curb plate and demolish, this structure one can restrict the preceding curb plate and be difficult for breaking away from, two can not hinder the relative chassis rotation of preceding curb plate, moreover, dismantle, the installation is easy, the later maintenance of being convenient for.

Further, an insertion groove 2101 into which the lower end of the front side plate 22 is inserted is provided on the upper end surface of the bottom frame 21. Also, the escape opening 223 is near the upper end of the vertical groove 222. The embedded groove on the chassis is cooperated for the unfolding state of the front side plate can be kept vertical, when the folding operation is needed, the front side plate can be separated from the embedded groove only by being lifted lightly, and the rotation relative to the chassis can be realized. And the position of the separation opening is higher, so that the separation opening is not easy to separate from the separation opening when the lifting is carried lightly.

In addition, a guide structure inclined from the outside to the inside is provided at the release opening 223. Therefore, when the device is detached or installed, the clamping protrusion can smoothly pass through the separation opening due to the inclined guide structure, and the operation is convenient.

As shown in fig. 16 to 20, in this embodiment, the turnover box further has a side unloading structure, a side plate 1 is provided with a discharge opening 61 near the bottom frame 21, the discharge opening 61 is provided with a discharge door 62 capable of being opened by rotating relative to the side plate 1, and the discharge opening 61 is further provided with an auxiliary guide plate 63 capable of rotating towards the ground direction after the discharge door is opened. It increases supplementary deflector on original discharge opening for build into a slope that extends to ground from the discharge opening through supplementary deflector when unloading, the material can be unloaded along supplementary deflector when unloading like this, has overcome because of the material that the difference in height of discharge opening and ground caused drops and damages, simple structure moreover, convenient to use.

Further, the lower end of the auxiliary guide plate 63 is hinged to the lower end of the discharge port 63. It can rotate along the hinge and pay out after the discharge door is opened.

Still further, an extension plate 64 that can be extended or retracted with respect to the auxiliary guide plate 63 is provided on the auxiliary guide plate 63. The auxiliary guide plate is made to have extensibility, and the distance of the auxiliary guide plate can be prolonged by unfolding, so that the auxiliary guide plate can adapt to different height differences.

The extension plate 64 is provided at the bottom of the auxiliary guide plate 63 and is movable relative to the auxiliary guide plate 63, and a guide member for limiting the moving range of the extension plate 64 is provided at the bottom of the auxiliary guide plate 63. The simple structure can realize the extension and the folding, and is convenient to use.

Furthermore, a support edge 641 forming an obtuse angle with the extension plate 64 is disposed at an end of the extension plate 64. The support edge can be kept level with the ground, i.e. it is possible to keep the extension plate 64 from moving during discharge, maintaining stability.

Further, the auxiliary guide plate 63 is further provided with a limit rib 631 on both sides thereof. Prevent the material from rolling off from both sides when unloading.

In this scheme, in order to improve the efficiency of opening of discharge door and supplementary deflector, still set up link gear, discharge door 62 with still be equipped with between the supplementary deflector 63 and drive supplementary deflector 63 pivoted link gear when discharge door 62 rotates. Make the discharge door open the time can be automatically with supplementary deflector open, can drive supplementary deflector when the discharge door is closed moreover and close, simple structure realizes high automation, simplifies manual operation, raises the efficiency.

Specifically, the linkage mechanism includes a first rotating shaft 71 disposed on the discharge door 62 and rotating together with the discharge door 62, a second rotating shaft 72 disposed on the auxiliary guide plate 63, a first transmission gear 711 disposed on the first rotating shaft 71, a second transmission gear 73 disposed on the side plate 1, and a transmission chain disposed on the first transmission gear 711 and the second transmission gear 73, wherein a reverse transmission gear 721 matched with the outside of the transmission chain is disposed on the second rotating shaft 72. Therefore, when the transmission gear drives the transmission chain to rotate, the reverse transmission gear 721 positioned outside the transmission chain is also driven to rotate, and the first transmission gear and the reverse transmission gear 721 are opposite in rotation direction, so that the first rotating shaft and the second rotating shaft can be opposite in rotation direction.

As shown in fig. 1 to 3, a novel turnover box includes a bottom frame 21, a front side plate 22, a rear side plate 23, a left side plate 24, a right side plate 25 rotatably disposed on the bottom frame 21, and a left cover plate 26 and a right cover plate 27 disposed on the left side plate 24 and the right side plate 25, wherein the front side plate 22, the rear side plate 23, the left side plate 24, and the right side plate 25 all rotate toward the bottom frame 21 to fold the turnover box, and plastic sealing plates 2 are disposed on the inner sides of the bottom frame 21, the front side plate 22, the rear side plate 23, the left side plate 24, the right side plate 25, the left cover plate 26, and the right cover plate 27. The utility model provides a novel turnover case, it itself can accomplish foldingly through curb plate to the chassis direction rotation all around, has practiced thrift the transportation space of empty case greatly. And adopt double-deck structure, increase the plastics closing plate in the inboard of curb plate, utilize the plasticity of plastic slab self, make its mutual marginal laminating in the box, can enclose into sealed inner chamber to guaranteed the inside leakproofness of box, the outside still is the curb plate material of box self moreover, and its external strength has also obtained the assurance, satisfies the demand of transportation and depositing and can realize inside sealed simultaneously, has saved the process through seal bag packaging material, has practiced thrift the cost.

As shown in fig. 3 to 6, in this embodiment, a sealed cavity 901 surrounded by plastic sealing plates 2 corresponding to the respective side plates 1 is formed inside a box body 9 in which a plurality of side plates are combined. And the plastic sealing plate 2 is welded on the inner side of the side plate 1. Moreover, the side plate 1 is made of iron alloy material. Because box self has the intensity demand, can not directly adopt the plastics closing plate as the curb plate of box, the double bonding of this scheme adoption iron plate cooperation plastic slab reaches the inside leakproofness of protection when high strength. The scheme of connecting the iron plate and the plastic plate does not adopt an additional connecting piece, but utilizes a welding mode.

In addition, the plastic sealing plate 2 is connected to the inner side of the side plate 1 by a sealing connection or riveting. Which is another connection means.

The side plate 1 is of a frame structure and comprises an outer frame 11 and a connecting reinforcing strip 12 arranged in the outer frame 11, and a plurality of connecting positions 201 are arranged on the plastic sealing plate 2 corresponding to the outer frame 11. The connecting position is the connecting position of the rivet or the welding position, so that the connecting strength is ensured, and the looseness is not easy to occur.

As shown in fig. 5 and 6, in this embodiment, in order to ensure the sealing performance of the interior, a self-sealing structure is further provided, and sealing edge structures 202 protruding toward the adjacent side plates 1 are provided on the left and right sides of the plastic sealing plate 2. It adopts double-deck structure, increase the plastic sealing plate in the inboard of curb plate, utilize the plasticity of plastic slab self, and be equipped with sealed marginal structure on the both sides edge of plastic sealing plate, make it more laminate with adjacent curb plate at the box inner margin, can seal up the clearance between a plurality of curb plates, make it enclose into sealed inner chamber, thereby the inside leakproofness of box has been guaranteed, and the outside still is the curb plate material of box self, its external strength has also obtained the assurance, satisfy the demand of transportation and depositing and can realize inside sealed simultaneously, the process through sealing bag packaging material has been saved, and the cost is saved.

Further, the sealing edge structure 202 is formed by bending the left and right sides of the plastic sealing plate 2. Its simple structure, with plastic sealing plate integrated into one piece, through the edge of buckling the formation, it can be close to another curb plate more when connecting for the clearance seal effect at curb plate edge is better.

Still further, an intermediate sealing layer 203 connected to the side plate 1 is further provided between the sealing edge structure 202 and the side plate 1. The intermediate sealing layer serves to fill the gap between the bent sealing edge structure and the original side plate, which further enhances the sealing effect. Specifically, the intermediate sealing layer can achieve the effect by adopting sealing cotton.

In addition, the sealing edge structure 202 includes a bending section 2021 bent toward the adjacent side plate 1 and a straight attaching section 2022 connected to the edge of the bending section 2021. The bent side plate is kept in a straight structure, so that the side plate can be well attached to the side face of the adjacent side plate, and a good sealing effect is kept. The width of the straight attaching section 2022 is greater than or equal to the thickness of the side plate 1. Ensuring the sealing effect.

As shown in fig. 7 to 9, the turnover box of this scheme is further provided with a cover locking structure, the front side plate 22 is provided with an upper cover locking piece 3 fastened to the edge of the left cover plate 26 or the right cover plate 27 from the front end, the upper cover locking piece 3 is rotatably connected to the front side plate 22, and the upper cover locking piece 3 can be disengaged from the fastening with the left cover plate 26 or the right cover plate 27 by rotating the upper cover locking piece 3. Be equipped with sealed edge structure on the both sides edge of plastic seal board, make it more laminate with adjacent curb plate at the box inner margin, can seal up the clearance between a plurality of curb plates, make it enclose into sealed inner chamber, thereby the inside leakproofness of box has been guaranteed, and the outside still is the curb plate material of box self, its external strength has also obtained the assurance, satisfy the demand of transportation and depositing and can realize inside sealed simultaneously, saved the process through seal bag packaging material, the cost is saved.

Further, the rear side plate 23 is also provided with the upper cover locking piece 3. I.e. the upper cover is locked from both sides. Moreover, the front side plate 22 and the rear side plate 23 are both provided with 2 pairs of upper cover locking pieces 3.

Still further, the upper cover locking member 3 includes a locking seat 31 disposed on the front side plate 22, a movable rotating rod 32 crossing the locking seat 31, and a buckle 33 connected to an end of the movable rotating rod 32, the movable rotating rod 32 can move laterally and rotate relative to the locking seat 31, and an elastic restoring member is further disposed between the movable rotating rod 32 and the locking seat 31. The movable rotating rod 32 can move transversely and rotate relative to the clamping seat, and the transverse movement ensures that the movable rotating rod can drive the transverse movement of the buckle, so that the buckle can be clamped on the upper cover.

In addition, a limit baffle 311 for limiting the outward turning of the buckle 33 relative to the front side plate 22 is arranged on the clamping seat 31, and the movable rotating rod 32 can drive the buckle 33 to transversely move relative to the clamping seat 31 so that the buckle 33 is separated from the limit baffle 311. Can make activity bull stick 32 restriction in locking state through limit baffle 311, be difficult to not hard up, also prevent to touch the unblock that causes because of the mistake in transportation or handling. The simple structure makes the structure kayser more firm.

Specifically, the latch 33 includes a connecting portion connected to the movable rotating rod 32, a latch portion 331 connected to the connecting portion and bent outward to form a concave shape, and a stopper portion 332 connected to an upper end of the latch portion 331 and parallel to the right cover 27. The buckle forms a shape with a notch, and the buckle is clamped into the front side plate and the upper cover plate through the notch to form a clamping lock.

Moreover, the buckling portion 331 is further provided with a through hole, and the left cover plate 26 is further provided with a connecting hole corresponding to the through hole. In order to further guarantee the effect of locking, require in the comparatively high application to the joint sealing, this structure can also increase the connecting piece through this link hole for the buckle further is connected with upper cover locking, need demolish the connecting piece earlier when dismantling, through the dismantlement mode that makes the buckle break away from again. The connecting piece can adopt a bolt, a limiting pin and the like.

Still further, the end of the right cover plate 27 opposite to the left cover plate 26 is provided with a reverse buckling edge 23a extending to the edge of the left cover plate 26. When the upper cover plates on the two sides are closed, the right cover plate is pressed on the left cover plate. So that the left cover plate is not easy to open.

In addition, the left-hand edge 23a is also provided with a holding ring 23a 1. Which facilitates the opening or closing of the cover by the operator.

As shown in fig. 10 and 11, the turnover box of the present scheme is further provided with a folding and stacking structure, fixed connection frames 91 are respectively arranged on the left side and the right side of the bottom frame 21, the left side plate 24 and the right side plate 25 are respectively hinged to the connection frames 91 on the two sides, and after the turnover box is folded, the front side plate 22, the rear side plate 23, the left side plate 24 and the right side plate 25 are all located below the upper end faces of the connection frames 91; the upper end face of the connecting frame 91 is a horizontal stacking face 901, the lower end face of the connecting frame 91 is a supporting leg 902 extending to the lower end face of the bottom frame 21, and the supporting leg 902 can be matched with the stacking face 901 on another turnover box with the same structure after being folded to enable the two turnover boxes to be stacked horizontally. The connecting frame is additionally arranged between the bottom frame and the left and right side plates, and the folded side plates are all lower than the upper end face of the connecting frame, so that the upper end stacking faces of the connecting frames on two sides form a placing plane, and the upper end stacking faces of the connecting frames are matched with supporting legs at the lower end of the connecting frame on another turnover box to form horizontal stacking and placing. Therefore, the folded turnover box can be placed completely with strips. And the link span of both sides plays the effect of protecting each folding curb plate, prevents effectively that the turnover case of upper end from pressing and causing the damage on the curb plate. In addition, the stacked turnover box is convenient to carry subsequently.

Further, a baffle 911 extending upward is further disposed on the outward side of the upper end surface of the connecting frame 91. This baffle 911 effectively restricts the turnover case stacked above from moving from both sides, and is used for supporting the left and right side plates when the left and right side plates are unfolded, and does not turn outward. Simple structure keeps the stability of box, makes the effect of stacking better moreover.

Furthermore, abdicating notches 912 are reserved between the two ends of the upper baffle 911 of the right side plate 25 and the front and rear ends of the right side plate 25. The support legs of the turnover box above the turnover box can be conveniently placed when the abdicating notch 912 is arranged. Specifically, the connecting frame 91 is frame-shaped, and includes an upper supporting bar 92 and side posts 93 connected to both sides of the upper supporting bar 92, and the supporting legs 902 are connected to the bottoms of the side posts 93. The supporting legs 902 of the upper turnover box are stacked on the supporting bars of the lower turnover box to form matching stacking.

Reinforcing connecting strips are further provided between the side posts 93 and between the upper supporting strip 92 and the supporting leg 902 on the inner side of the connecting frame 91. It is advantageous to reinforce the stable structure of the link frame 91.

The right end surface of the support leg 902 is folded inward so that the right end surface is positioned on the left side of the right end surface of the side post 93. Because the outer end face of the stacking face 901 is also provided with the upper baffle 911, and the end face of the upper baffle 911 is flush with the end face of the side post 93, the support legs 902 are retracted to be equivalent to the abdicating upper baffle 911, so that the turnover box above can be stacked on the stacking face 901 on the inner side of the upper baffle 911.

Moreover, the width of the side posts 93 is less than or equal to the width of the relief notch 912. So that the side posts 93 can be unobstructed by the upper shield 911 when stacked. The side posts 93 and the end parts of the upper baffle plates 911 form limit positions, so that the front and back movement of the upper turnover box is limited, and the left and right movement of the upper turnover box is limited by the upper baffle plates 911 on the two sides.

As shown in fig. 12 and 13, in this scheme, a quick locking structure is further disposed between the side plates, a locking bar 41 that can extend into the adjacent side plate 1 is disposed on the side plate 1, and when the locking bar 41 is rotated, the inner side surface of the other side plate 1 can be pressed against the end surface of the side plate to be locked or rotated to be consistent with the locking hole 42 of the other side plate 1, the locking bar 41 can be separated from the other side plate 1. It adopts the structure of bayonet locking strip, inside inserting to another curb plate through the locking strip on a curb plate, and when rotating the locking, utilizes the structure of locking strip, presses another curb plate to the tip that has the locking strip curb plate, and one makes it keep good leakproofness to connect, and its easy operation comes two, and locking or unclamp only need rotate the locking strip can, improve operating efficiency greatly, use light moreover. And, it utilizes the medial surface that enables another curb plate to compress tightly the terminal surface that has the locking strip curb plate when the locking strip locks, cooperates bellied sealed marginal structure for the joint gap of curb plate and curb plate can obtain fine sealing, further guarantees the sealing performance of inner space.

Furthermore, a lock head 43 is arranged at the front end of the lock bar 41, and the lock head 43 and the lock hole 42 are both in a strip shape or an oval shape. Thus, after the lock head 43 is rotated, the lock head can be dislocated and opposite to the lock hole to form locking.

Moreover, the side of the lock head 43 opposite to the lock bar 41 is a slope or arc surface gradually extending from the outer side to the inner side. This inboard inclined plane or arcwall face, when the tapered end rotated, inboard arcwall face made the tapered end rotate the in-process, formed the power that compresses tightly the curb plate inner wall gradually, finally compressed tightly the curb plate on the curb plate that the tapered end is connected, formed self-locking. The inner wall of the side plate is in contact with the outer side of the cambered surface when the side plate starts to rotate, and the cambered surface becomes thicker gradually in the process of gradually rotating, so that the inner wall is pressed to the side plate.

Furthermore, sealing edge structures 202 protruding towards the direction of the adjacent side plate 1 are arranged on the left side and the right side of the plastic sealing plate 2, and through holes opposite to the locking holes 42 are arranged on the sealing edge structures 202. It utilizes the medial surface that enables another curb plate to compress tightly the terminal surface that has the locking strip curb plate when the locking strip locks, cooperates bellied sealed marginal structure for the joint gap of curb plate and curb plate can obtain fine sealed, further guarantees the sealing performance of inner space.

Moreover, the quick locking structure further comprises a lock seat 401 connected to the side plate 1, and the locking bar 41 is inserted into the lock seat 401 and can move left and right and rotate relative to the lock seat 401. In addition, a rotating handle 411 is arranged on one side of the locking bar 41, so that the operation is convenient, and the locking and unlocking operations are simple.

Further, a self-pressing clamping seat 4011 for locking and clamping the rotating handle 411 is further disposed on the lock seat 401. The self-pressing clamping seat 4011 is provided with a notch for clamping the handle 411, and two sides of the notch are provided with opposite elastic blocks, so that the handle is not easy to break away after being clamped, and the loosening prevention effect can be achieved.

As shown in fig. 2 and 4, in the present solution, the turnover box is further provided with an anti-tipping side plate structure, and the left cover plate 26 can be turned outwards relative to the left side plate 24, so that the center of gravity formed by the left side plate 24 and the left cover plate 26 deviates outwards from the plane of the hinge point of the left side plate 24 and the bottom frame 21. It adopts unusual structure, when utilizing the relative left side board of left side apron to turn up promptly when folding when opening the box for the centre of gravity that left side apron and left side board formed jointly is not on a perpendicular with the articulated department of left side board and chassis, is located the perpendicular outside moreover, thereby makes the left side board have the trend of turning up relatively the chassis, thereby makes the left side board keep an upright state, is difficult to empty, effectively prevents to empty automatically at the in-process of folding front and back curb plate. And when the folding is needed, only the outer side needs to be slightly pushed, so that the folding chair is practical and convenient.

Specifically, the left side plate 24 is hinged to the left connecting frame 91, and the left side plate 24 is hinged to the connecting frame 91 through hinge pieces 241 extending downwards from two sides. Moreover, the lower end of the hinge piece 241 opposite to the connecting frame 91 protrudes to the right side so that the lower end is wider than the upper end, and the hinge point of the hinge piece 241 and the connecting frame 91 is located at the right side of the center line of the hinge piece 241. Therefore, the hinge point position of the left side plate can deviate outwards, and the anti-toppling effect is formed after the upper cover plate is opened.

In addition, the left side plate 24 is connected to the inner side of the upper end of the hinge piece 241 and is located at the center line of the hinge piece 241 or to the left of the center line of the hinge piece 241. By utilizing the principle of gravity center shift, the left side plate 24 is equivalently kept inclined outwards when normally opened, so that the left side plate cannot be easily turned inwards under the self gravity, and is convenient to keep upright in the folding process. The upper baffle edge is matched as a support to ensure the upright unfolding state of the left side plate or the right side plate.

Still further, a hinge 2601 is provided between the lower end of the left cover 26 and the left side plate 24. The left side plate 24 is formed by an outer frame consisting of a plurality of cross bars and a plastic sealing plate 2 connected to the inner side of the outer frame, and one end of the hinge member 2601 is connected to the lower end of the upper cross bar in the outer frame, and the other end is connected to the lower end of the left cover plate 26. One side of the hinged part is connected with the lower end of the upper cross rod, so that the left cover plate can form dislocation when being turned outwards, and the left cover plate can not form a vertically downward posture, and the upper end and the lower end of the hinged part cannot be in a coplanar and vertical position. Thereby ensuring that the center of gravity can move outwards after the left cover plate is turned outwards.

Specifically, the hinge assembly 2601 includes a first hinge seat 26011 disposed on the outer frame of the left side plate, a second hinge seat 26012 disposed at the lower end of the left cover plate 26, and a movable member 26013 disposed between the first hinge seat 26011 and the second hinge seat 26012. It is equivalent to 2 articulated turning points, can make left side apron rotate more nimble.

Furthermore, a scratch pad 262 is provided on the outer side of the left cover plate 26 near the lower end. Thus, the scratch pad 262 is beneficial to protect the outer side of the left side plate from being scratched when the outer side of the left cover plate is in the position of colliding with the outer side of the left side plate when the left cover plate is turned outwards.

The utility model provides a turnover case with curb plate anticreep card structure, it adopts the protruding cooperation of both sides card of vertical groove and preceding curb plate, restriction card is protruding can only reciprocate or rotate, even the preceding curb plate can only rotate relative chassis and fold up or relative chassis reciprocates, when removing the break away from the mouth, only need shift out the protruding follow break away from the mouth of blocking of card, can follow the chassis with preceding curb plate and demolish, this structure one can restrict the preceding curb plate and be difficult for breaking away from, two can not hinder the relative chassis rotation of preceding curb plate, moreover, dismantle, the installation is easy, the later maintenance of being convenient for.

The foregoing is illustrative of one or more embodiments provided in connection with the detailed description and is not to be construed as limiting the invention to the precise embodiments disclosed herein. All with the utility model discloses a method, structure etc. are similar, the same, or to the utility model discloses make a plurality of technological deductions under the design prerequisite, or the replacement should all regard as the utility model discloses a protection scope.

Claims (8)

1. Turnover case with curb plate anticreep card structure, its characterized in that includes chassis (21), rotatable locating preceding curb plate (22), posterior lateral plate (23) on chassis (21), equal fixedly connected with link (91) on chassis (21) the left and right sides, both sides link (91) go up to articulate have left side board (24) and right side board (25), the both sides of preceding curb plate (22) are equipped with the protruding (221) of card that are outside to both sides, be equipped with the confession on link (91) vertical groove (222) that protruding (221) of card stretched into, just one side of vertical groove (222) is equipped with and supplies the mouth (223) that breaks away from of protruding (221) roll-off, protruding (221) of card leave vertical groove (222) back from breaking away from mouth (223), preceding curb plate (22) can be dismantled from link (91).

2. The turnover box with the side plate anti-disengaging structure according to claim 1, wherein an embedding groove (2101) for embedding the lower end of the front side plate (22) is arranged on the upper end surface of the bottom frame (21).

3. The turnover box with side plate anti-disengaging structure according to claim 2, characterized in that the disengaging opening (223) is close to the upper end of the vertical groove (222).

4. The turnover box with the side plate anti-disengaging structure according to claim 3, wherein a guide structure inclining from outside to inside is arranged at the disengaging opening (223).

5. The turnover box with the side plate anti-disengaging structure according to claim 4, further comprising a left cover plate (26) and a right cover plate (27) which are arranged on the left side plate (24) and the right side plate (25), wherein the left cover plate (26) can be turned outwards relative to the left side plate (24) and enables the gravity center formed by the left side plate (24) and the left cover plate (26) to deviate from the plane of the hinge point of the left side plate (24) and the bottom frame (21) towards the outside.

6. The turnover box with the side plate anti-disengaging structure according to claim 5, wherein the bottom frame (21) is fixedly connected with connecting frames (91) on the left and right sides, the left side plate (24) is hinged on the connecting frame (91) on the left side, and the left side plate (24) is hinged with the connecting frame (91) through hinge pieces (241) extending downwards on the two sides.

7. The turnover box with side panel anti-disengaging structure according to claim 6, wherein the lower end of the hinge plate (241) opposite to the connecting frame (91) protrudes to the right side so that the lower end is wider than the upper end, and the hinge plate (241) is hinged to the connecting frame (91) at the right side of the center line of the hinge plate (241).

8. The turnover box with side plate anti-disengaging structure according to claim 7, wherein the left side plate (24) is connected to the inside of the upper end of the hinge piece (241) and is located at the center line of the hinge piece (241) or on the left side of the center line of the hinge piece (241).

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