CN113493051A

CN113493051A - Tray with anti-collision structure

Info

Publication number: CN113493051A
Application number: CN202110831208.8A
Authority: CN
Inventors: 李晓林; 赵立; 汤新杰; 段永新
Original assignee: Shanghai Leju Technology Co ltd
Current assignee: Shanghai Leju Technology Co ltd
Priority date: 2021-07-22
Filing date: 2021-07-22
Publication date: 2021-10-12
Anticipated expiration: 2041-07-22
Also published as: CN113493051B

Abstract

The invention belongs to the technical field of trays, and particularly relates to a tray with an anti-collision structure, which comprises a tray body, wherein the tray body is provided with an ejection mechanism and an anti-collision mechanism, the tray body consists of an upper supporting plate, three supporting rods and a lower supporting plate, and slots are reserved between every two three supporting rods; the ejection mechanism comprises a screw, a sliding plate, a connecting column and universal wheels, a cavity is arranged in the upper supporting plate, the supporting rod is provided with a first accommodating groove, the supporting rod is provided with a sliding groove, the operating assembly comprises a sliding block, a transmission member, a rotary seat, a damping rotating shaft, a telescopic connecting rod, a connecting block and a first handle, and the sliding block is provided with two groups of locking members; through outside pulling operation assembly, just can shift out the universal wheel that is located and accomodates the inslot, easy operation, and can use operation assembly to remove the tray body, solved and break away from the inconvenient problem of removing of fork truck tray body when transporting.

Description

Tray with anti-collision structure

Technical Field

The invention belongs to the technical field of trays, and particularly relates to a tray with an anti-collision structure.

Background

The tray is the most basic logistics appliance, and is called as a movable platform and a movable ground. The dynamic goods loading and unloading carrier is a carrier for converting static goods into dynamic goods, is a tool which can be used in the processes of loading, unloading, transporting, warehousing and storing as well as transportation, is matched with a forklift for use, and can greatly improve the efficiency of loading, unloading and transporting.

However, the conventional pallet has a single structure, and when goods placed on the pallet are moved, the goods must pass through a forklift, so that the pallet is very inconvenient to use in a working area where the forklift is inconvenient to work.

Disclosure of Invention

The purpose of the invention is: aim at providing a tray with anticollision structure, through outside pulling operating assembly, just can shift out the universal wheel that is located and accomodates the inslot, easy operation, and can use operating assembly to remove the tray body, solved and break away from the inconvenient problem of removing of fork truck tray body when transporting.

In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows:

a tray with an anti-collision structure comprises a tray body, wherein the tray body is provided with an ejection mechanism and an anti-collision mechanism, the tray body is composed of an upper supporting plate, three supporting rods and a lower supporting plate, the three supporting rods are positioned between the upper supporting plate and the lower supporting plate, and slots are reserved between every two three supporting rods;

the ejection mechanism comprises two screw rods, a sliding plate, four connecting columns and four universal wheels, a cavity is arranged in the upper supporting plate, the two screw rods are vertically and rotatably assembled on the front side and the rear side of the cavity respectively, the sliding plate is slidably assembled in the cavity and is in threaded connection with the two screw rods, the four connecting columns are fixedly arranged on the periphery of the sliding plate respectively, the four universal wheels are connected with the lower sides of the four connecting columns respectively, the two supporting rods on the two sides are provided with first accommodating grooves matched with the four connecting columns, the supporting rod in the middle is provided with a sliding groove penetrating through the front side and the rear side, and the lower end of each screw rod extends into the sliding groove to be internally provided with an operating component;

the operation subassembly includes slider, drive member, swivel mount, damping pivot, telescopic link, connecting block and first handle, slider sliding assembly is in the spout, both ends all are equipped with the stopper around the spout, the slider passes through when sliding drive member drives two the screw rod rotates, the swivel mount is located the slider front side, the damping pivot rotate the assembly in the swivel mount, telescopic link one end with the damping pivot is connected, the other end with the connecting block is connected, first handle is located the connecting block front side, the slider is equipped with two sets of locking members.

The transmission component comprises two chain wheels and an accessory chain, wherein the chain wheels are assembled on the upper wall of the sliding groove in a rotating mode, the lower end of the screw rod extends into the sliding groove and is connected with the chain wheels in a transmission mode, the accessory chain is connected with the chain wheels in a transmission mode, a connecting piece is arranged on one side of the accessory chain, and the connecting piece is connected with the sliding block.

Two sets of the locking component is located the left and right sides of slider, the locking component includes first locking piece, first spring and first stay cord, the slider is equipped with first step hole, first locking piece sliding assembly is in the first step hole, first spring is located first step hole with between the first locking piece, be equipped with two sets ofly around the spout lateral wall with first locking piece assorted first lockhole, the slider is equipped with first stay cord groove, first stay cord is located first stay cord inslot, first stay cord one end with first locking piece is connected, the swivel mount still be equipped with the motion groove of first stay cord groove intercommunication, damping pivot center department is equipped with the spread groove with the motion groove intercommunication, the first stay cord other end runs through the motion groove and stretches into the spread groove in-connection has the pulling piece.

The pulling piece comprises a telescopic pull rod and a second handle, a movable groove communicated with the connecting groove is formed in the connecting rod, the telescopic pull rod is located in the movable groove, one end of the telescopic pull rod is connected with the two first pull ropes, the other end of the telescopic pull rod penetrates through the connecting block and is connected with the second handle, and the telescopic pull rod is identical to the telescopic stroke of the telescopic connecting rod.

The slider rear side be equipped with the first fluting of connecting block assorted, the fluting is equipped with two sets of connecting elements, connecting elements includes second locking piece, second spring and second stay cord, the second step hole has been seted up to first fluting upper wall, locking piece sliding fit is in between the second step hole, the second spring is located the locking piece with the second step is downthehole, second stay cord one end with the locking piece is connected, the other end with first stay cord is connected, the slider be equipped with second stay cord assorted second stay cord groove, the connecting block be equipped with second locking piece assorted second lockhole, the fluting front side be equipped with first handle assorted second fluting.

Anticollision institution includes four L shape box bodys, four L shape box body is located respectively tray body's four corners, four L shape box body surface all is equipped with a plurality of anticollision strips, four L shape box body upside all is equipped with the opening, four equal sealed slip has first piston board in the L shape box body, first piston board upside fixedly connected with anticollision board, tray body left and right sides symmetry is equipped with the promotion subassembly.

The lifting assembly comprises a second piston plate, a resetting member and a fixed block, a mounting groove is formed in the left side of the tray body, the second piston plate is arranged in the mounting groove in a sealing and sliding mode, the resetting member is arranged between the bottom wall of the mounting groove and the second piston plate, a plurality of air holes are formed between the lower side of the mounting groove and the lower sides of the two L-shaped boxes on the same side, and the fixed block is fixedly arranged on the upper side of the second piston plate; two the fixed block upper end is connected with the clamp plate jointly, tray body upside is equipped with and accomodates the groove with clamp plate assorted second.

The tray body left and right sides wall is equipped with respectively with two the through-hole of mounting groove intercommunication, two the ooff valve is all installed to the through-hole.

The resetting component comprises a third spring and a telescopic rod, the telescopic rod is fixedly arranged between the bottom wall of the mounting groove and the second piston plate, and the third spring is sleeved on the outer side of the telescopic rod.

The slide still is equipped with stabilizing assembly, stabilizing assembly includes four stabilizer bars, four stabilizer bar evenly distributed is fixed to be located in the cavity, just the slide with four stabilizer bar sliding connection.

When the universal wheels need to be moved out, a user pulls the first handle outwards by hand, the connecting block drives the telescopic connecting rod to move outwards, the locking component of the sliding block is unlocked at the moment after the telescopic part of the telescopic connecting rod is completely pulled out, the first handle is continuously pulled outwards, the sliding block moves outwards, the sliding block drives the two screw rods to start to rotate forwards through the transmission component while moving outwards, the sliding plate is assembled in the cavity in a sliding mode and is in threaded connection with the screw rods, the sliding plate can move downwards due to the forward rotation of the two screw rods, the four universal wheels are driven to move downwards through the four connecting columns, when the sliding block moves to the foremost side of the sliding groove, the four universal wheels just move out of the first accommodating groove completely, the position of the sliding block can be fixed through the locking component, and the situation that gravity completely acts on the screw rods can be avoided, and swivel mount on the slider is located the spout outside this moment, and the user of service can drive the damping pivot through rotating telescopic connection pole and rotate for telescopic connection pole has certain angle, becomes the shape of a little trailer, thereby conveniently drives the heavy object on the tray body and removes, need not the user of service and drags the tray body with the help of the foreign object, can just can conveniently remove the tray body without using fork truck, can satisfy the place of some fork truck inconvenient work and remove the tray body.

Drawings

The invention is further illustrated by the non-limiting examples given in the accompanying drawings;

FIG. 1 is a first structural schematic view of an embodiment of a tray with an anti-collision structure according to the present invention;

FIG. 2 is a second structural schematic view of an embodiment of a tray with an anti-collision structure according to the present invention;

FIG. 3 is a first cross-sectional view of an embodiment of a pallet with an anti-collision structure according to the present invention;

FIG. 4 is a schematic structural diagram of an operating assembly of the present invention;

FIG. 5 is a cross-sectional view of an operating element of the present invention;

FIG. 6 is an enlarged view of the structure at A in FIG. 5;

FIG. 7 is a schematic cross-sectional view of an operating element of the present invention;

FIG. 8 is an enlarged view of the structure at B in FIG. 7;

FIG. 9 is a second cross-sectional view of an embodiment of a tray with an anti-collision structure according to the present invention;

FIG. 10 is a third schematic cross-sectional view of an embodiment of a pallet with a bump guard structure according to the present invention;

FIG. 11 is an exploded view of a structure of an embodiment of a pallet with a bump guard structure of the present invention;

FIG. 12 is an enlarged view of the structure at C in FIG. 11;

FIG. 13 is a schematic structural view of the present invention showing the splicing of two pallet bodies;

FIG. 14 is a schematic view of a plurality of stacked tray bodies according to the present invention.

The tray comprises a tray body 1, an upper support plate 11, a support rod 12, a lower support plate 13, a slot 14, a screw 2, a sliding plate 21, a connecting column 22, a universal wheel 23, a cavity 24, a first accommodating groove 25, a sliding groove 26, a limit block 261, a first lock hole 262, a chain wheel 301, an accessory chain 302, a connecting piece 303, a sliding block 31, a first stepped hole 311, a swivel base 32, a damping rotating shaft 33, a telescopic connecting rod 34, a connecting block 35, a first handle 36, a first lock block 4, a first spring 41, a first pull rope 42, a first pull rope groove 43, a motion groove 431, a connecting groove 44, a telescopic pull rod 45, a second handle 46, a motion groove 47, a first open groove 5, a second lock block 51, a second spring 52, a second pull rope 53, a second stepped hole 54, a second pull rope groove 55, a second lock hole 56, a second open groove 57, an L-shaped box 6, an anti-collision strip 61, a first piston plate 62, an anti-collision plate 63, a second piston plate 64, The fixing block 65, the pressing plate 651, the second accommodating groove 652, the mounting groove 66, the air hole 67, the on-off valve 68, the third spring 7, the expansion link 71, and the stabilizer bar 8.

Detailed Description

In order that those skilled in the art can better understand the present invention, the following technical solutions are further described with reference to the accompanying drawings and examples.

As shown in fig. 1 to 14, the pallet with an anti-collision structure of the present invention comprises a pallet body 1, wherein the pallet body 1 is provided with an ejection mechanism and an anti-collision mechanism, the pallet body 1 is composed of an upper support plate 11, three support rods 12 and a lower support plate 13, the three support rods 12 are located between the upper support plate 11 and the lower support plate 13, and slots 14 are reserved between every two three support rods 12;

the ejection mechanism comprises two screw rods 2, a sliding plate 21, four connecting columns 22 and four universal wheels 23, a cavity 24 is arranged in the upper supporting plate 11, the two screw rods 2 are vertically and rotatably assembled on the front side and the rear side of the cavity 24 respectively, the sliding plate 21 is slidably assembled in the cavity 24 and is in threaded connection with the two screw rods 2, the four connecting columns 22 are fixedly arranged on the periphery of the sliding plate 21 respectively, the four universal wheels 23 are connected with the lower sides of the four connecting columns 22 respectively, two supporting rods 12 positioned on the two sides are provided with first accommodating grooves 25 matched with the four connecting columns 22, the supporting rod 12 positioned in the middle is provided with a sliding groove 26 penetrating through the front and the rear, and the lower end of each screw rod 2 extends into the sliding groove 26 to be provided with an operating component;

the operating assembly includes slider 31, the transmission component, swivel mount 32, damping pivot 33, telescopic link 34, connecting block 35 and first handle 36, slider 31 sliding assembly is in spout 26, both ends all are equipped with stopper 261 around the spout 26, slider 31 drives two screw rods 2 through the transmission component when sliding and rotates, slider 31 front side is located to swivel mount 32, damping pivot 33 rotates the assembly in swivel mount 32, telescopic link 34 one end is connected with damping pivot 33, the other end is connected with connecting block 35, connecting block 35 front side is located to first handle 36, slider 31 is equipped with two sets of locking components.

In an initial state, as shown in fig. 1, the whole operating assembly is located in the sliding groove 26, the four universal wheels 23 are respectively located in the four accommodating grooves 25, so that a user can normally use the tray body 1 to carry heavy objects, the tray body 1 is provided with the slot 14 for a forklift to operate the tray body 1, and when the plurality of tray bodies 1 are not used, the tray bodies 1 can be mutually overlapped for storage; the tray body 1 is provided with an anti-collision mechanism which can protect the tray body 1;

when a user needs to move out the universal wheels 23, the user pulls the first handle 36 outwards by hand, the telescopic connecting rod 34 is driven to move outwards through the connecting block 35, after the telescopic part of the telescopic connecting rod 34 is completely pulled out, the locking member of the sliding block 31 is unlocked at the moment, so that the first handle 36 is continuously pulled outwards, the sliding block 31 moves outwards, the sliding block 31 drives the two screw rods 2 to start to rotate forwards through the transmission member while moving outwards, the sliding plate 21 is slidably assembled in the cavity 24 and is in threaded connection with the screw rods 2, so that the sliding plate 21 moves downwards through the forward rotation of the two screw rods 2, the four universal wheels 23 are driven to move downwards through the four connecting posts 22, when the sliding block 31 moves to the foremost side of the sliding groove 26, the four universal wheels 23 just move out of the first accommodating groove 25 completely, and the position of the sliding block 31 can be fixed through the locking member at the moment, the gravity can be prevented from completely acting on the screw rod 2, the swivel mount 32 on the sliding block 31 is located outside the sliding groove 26 at the moment, a user can rotate the telescopic connecting rod 34 to drive the damping rotating shaft 33 to rotate, so that the telescopic connecting rod 34 has a certain angle and becomes the shape of a small trailer, as shown in fig. 2, the user can conveniently pull the tray body 1 to move, the heavy object on the tray body 1 can be conveniently driven to move, the user does not need to pull the tray body 1 by means of foreign objects, the tray body 1 can be conveniently moved without using a forklift, and the tray body 1 can be moved in places where the forklift is inconvenient to work; the damping rotating shaft 33 does not rotate when no external force is applied, the telescopic part of the telescopic connecting rod 34 slides in a damping mode, and the telescopic connecting rod 34 does not automatically slide when no external force is applied; the stopper 261 can prevent the slider 31 from moving out of the chute 26;

when the universal wheels 23 are retracted, a user can hold the first handle 36 to rotate the telescopic connecting rod 34 to a horizontal state, then unlock the locking member, push the slider 31 to the rear side by a certain distance, then push the telescopic connecting rod 34 to a shortest state in the sliding groove 26, and continue to push the telescopic connecting rod 34 inwards, so that the slider 31 continues to move to the rear side, at this time, the slider 31 drives the two screws 2 to rotate reversely through the transmission member, so that the sliding plate 21 moves upwards, and gradually retract the four universal wheels 23 into the first accommodating groove 25, when the slider 31 moves to the last side of the sliding groove 26, at this time, the four universal wheels 23 are completely retracted into the first accommodating groove 25, the slider 31 is fixed inside the sliding groove 26 through the locking member, and the telescopic connecting rod 34 and the first handle 36 are completely located in the sliding groove 26 and return to an initial state;

according to the pallet body moving device, the operation assembly is pulled outwards, so that the universal wheels in the containing grooves can be moved out, the operation is simple, the pallet body can be moved by using the operation assembly, and the problem that the pallet body is separated from a forklift and is inconvenient to move during transferring is solved.

The transmission component comprises two chain wheels 301 and an accessory chain 302, the two chain wheels 301 are rotatably assembled on the upper wall of the sliding groove 26, the lower ends of the two screw rods 2 extend into the sliding groove 26 and are respectively in transmission connection with the two chain wheels 301, the accessory chain 302 is in transmission connection with the two chain wheels 301, a connecting piece 303 is arranged on one side of the accessory chain, and the connecting piece 303 is connected with the sliding block 31;

thus, when the sliding block 31 moves, the chain 302 is driven by the connecting member 303 to start moving, and since the attachment chain 302 is in transmission connection with the two chain wheels 301, the chain 302 moves to drive the two chain wheels 301 to start rotating, so that the two screw rods 2 rotate to drive the sliding plate 21 to move upwards or downwards.

The two groups of locking components are arranged on the left side and the right side of the sliding block 31, each locking component comprises a first locking block 4, a first spring 41 and a first pull rope 42, the sliding block 31 is provided with a first step hole 311, the first locking block 4 is assembled in the first step hole 311 in a sliding mode, the first spring 41 is located between the first step hole 311 and the first locking block 4, the front side and the rear side of the side wall of the sliding groove 26 are provided with two groups of first locking holes 262 matched with the first locking block 4, the sliding block 31 is provided with a first pull rope groove 43, the first pull rope 42 is located in the first pull rope groove 43, one end of the first pull rope 42 is connected with the first locking block 4, the rotating seat 32 is further provided with a moving groove 431 communicated with the first pull rope groove 43, the center of the damping rotating shaft 33 is provided with a connecting groove 44 communicated with the moving groove 431, and the other end of the first pull rope 42 penetrates through the moving groove 431 and extends into the connecting groove 44 to be connected with a pulling part;

therefore, a user can pull the first pull rope 42 through the pull piece, so that the first pull rope 42 drives the first lock block 4 to move towards the first stepped hole 311, the first spring 41 is compressed, when the first lock block 4 is completely positioned in the first stepped hole 311, the first lock block 4 can be separated from the first lock hole 262, at this time, the slide block 31 can be pulled to move towards the front side, when the slide block 31 moves to the foremost side, the pull piece is released, the reset elastic force of the first spring 41 can push the first lock block 4 to move outwards to enter another group of first lock holes 262, the slide block 31 is locked, the connecting groove 44 is concentric with the damping rotating shaft 33, when the damping rotating shaft 33 rotates, the first pull rope 42 in the connecting groove 44 cannot rotate along with the damping rotating shaft 33, and the first pull rope 42 cannot pull the first lock block 4 to be separated from the first lock hole 262; when the universal wheel 23 is retracted, a user firstly pulls the movable member to separate the first locking piece 4 from the first locking hole 262 on the front side, then firstly pushes the sliding block 31 to make the first locking piece 4 staggered with the first locking hole 262, so that the telescopic connecting rod 34 is pushed inwards to retract the telescopic part thereof, and the sliding block 31 is continuously pushed inwards to move, when the sliding block 31 moves to the limiting block 261 on the last side of the sliding groove 26, the elastic force of the first spring 41 automatically ejects the first locking piece 4 into the first locking hole 262 on the rear side to lock the sliding block 31.

The pulling part comprises a telescopic pull rod 45 and a second handle 46, a movable groove 47 communicated with the connecting groove 44 is formed in the connecting rod 34, the telescopic pull rod 45 is positioned in the movable groove 47, one end of the telescopic pull rod 45 is connected with the two first pull ropes 42, the other end of the telescopic pull rod 45 penetrates through the connecting block 35 to be connected with the second handle 46, and the telescopic strokes of the telescopic pull rod 45 and the telescopic connecting rod 34 are the same;

like this telescopic pull rod 45 is the same with telescopic connecting rod 34's flexible stroke, then when telescopic connecting rod 34 flexible position was pulled out completely, telescopic pull rod 45 flexible position will also be in the longest state this moment, thereby user is through pulling second handle 46, second handle 46 will drive two first stay cords 42 outwards through telescopic pull rod 45, make two first stay cords 42 partly take in the activity groove 47 in, then can make first lock hole 4 break away from first lockhole 262, thereby just can unblock through pulling second handle 46, second handle 46 is located the inboard of first handle 36, can make things convenient for user's person to pull second handle 46 when pulling first handle 36.

A first open groove 5 matched with the connecting block 35 is formed in the rear side of the sliding block 31, two groups of connecting components are arranged in the first open groove 5, each connecting component comprises a second locking block 51, a second spring 52 and a second pull rope 53, a second stepped hole 54 is formed in the upper wall of the first open groove 5, the locking blocks 51 are assembled in the second stepped holes 54 in a sliding mode, the second springs 52 are located between the locking blocks 51 and the second stepped holes 54, one end of each second pull rope 53 is connected with the locking block 51, the other end of each second pull rope 53 is connected with the first pull rope 42, the sliding block 31 is provided with second pull rope grooves 55 matched with the second pull ropes 53, the connecting block 35 is provided with second locking holes 56 matched with the second locking blocks 51, and a second open groove 57 matched with the first pull handles 36 is formed in the front side of the open groove 5;

thus, when a user pulls the second handle 46, the first pull rope 42 is driven to move through the telescopic pull rod 45, because one end of the second pull rope 53 is connected with the first pull rope 42, the first pull rope 42 pulls the second pull rope 53 to move, the moving groove 431 on the swivel base 32 can meet the moving stroke of the first pull rope 42 and the first pull rope 53, the second pull rope 43 pulls the second locking block 51 to move towards the second stepped hole 54, the second spring 52 is compressed, the second locking block 51 can completely enter the second stepped hole 54, when the user needs to connect the two tray bodies 1 together, the telescopic connecting rods 34 of the two tray bodies 1 can be completely pulled out, one of the telescopic connecting rods 34 is kept in a horizontal state, then the telescopic connecting rod 34 is placed into the chute 26 of the other tray body 1, and the user pulls the second handle 46 of the other telescopic connecting rod 34, the second locking block 51 is made to enter the second stepped hole 54, the connecting block 35 and the first handle 36 of the telescopic connecting rod 34 are made to enter the first open slot 5 and the second open slot 57, the second locking hole 56 on the connecting block 35 and the second locking block 51 are aligned, the second handle 46 of the other telescopic connecting rod 34 is loosened, the return elastic force of the second spring 52 pushes the second locking block 51 to enter the second locking hole 56, the connecting block 35 is locked, the connecting block 35 of one tray body 1 and the slider 31 of the other tray body 1 are fixed to each other, so that the two tray bodies 1 are connected together, as shown in fig. 13, so that a user can conveniently connect two or more tray bodies 1 together, and operate the two or more tray bodies 1 conveniently.

The anti-collision mechanism comprises four L-shaped boxes 6, the four L-shaped boxes 6 are respectively arranged at four corners of the tray body 1, a plurality of anti-collision strips 61 are arranged on the surfaces of the four L-shaped boxes 6, openings are formed in the upper sides of the four L-shaped boxes 6, first piston plates 62 are hermetically and slidably arranged in the four L-shaped boxes 6, anti-collision plates 63 are fixedly connected to the upper sides of the first piston plates 62, and lifting assemblies are symmetrically arranged on the left side and the right side of the tray body 1;

four L shape box 6 of locating tray body 1 four corners department like this, receive when the collision in tray body 1's four corners, cushion through crashproof strip 61 on the L shape box 6, reduce the impact force that tray body 1 received, play certain crashproof effect, and promote the subassembly and can shift out the crashproof board 63 of L shape box 6 inside through the opening, thereby four crashproof boards 63 can play certain guard action to the bottom of the goods on tray body 1, and have certain limit function when bearing the goods similar with the tray body size.

The lifting assembly comprises a second piston plate 64, a resetting member and a fixing block 65, a mounting groove 66 is formed in the left side of the tray body 1, the second piston plate 64 is arranged in the mounting groove 66 in a sealing and sliding mode, the resetting member is arranged between the bottom wall of the mounting groove 66 and the second piston plate 64, a plurality of air holes 67 are formed between the lower side of the mounting groove 66 and the lower sides of the two L-shaped boxes 6 on the same side, and the fixing block 65 is fixedly arranged on the upper side of the second piston plate 64; the upper ends of the two fixed blocks 65 are connected with a pressing plate 651 together, and the upper side of the tray body 1 is provided with a second accommodating groove 652 matched with the pressing plate 651;

a plurality of top columns are arranged between the first piston plate 62 and the bottom of the L-shaped box body 6, so that a certain space is reserved between the first piston plate 62 and the bottom of the L-shaped box body 6, and the lowest position of the first piston plate 62 is higher than the air holes 67, so that when goods are loaded on the tray body 1, the self-gravity of the goods extrudes the press plate 651 downwards, the press plate 651 enters the second accommodating groove 652, the fixed blocks 65 on the two sides move downwards to drive the second piston plates 64 on the two sides to move downwards, air on the lower side of the second piston plate 64 is pushed into the four L-shaped box bodies 6 through the air holes 67, the first piston plate 62 is pushed upwards, the four anti-collision plates 63 are enabled to move upwards simultaneously, when the goods are loaded on the tray body 1, the gravity of the goods can push the four anti-collision plates 63 upwards, and the four moved anti-collision plates 63 can play a role in protecting and limiting role on the goods, when no goods are on the tray body 1, the reset component can push the second piston plate 64 to move upwards to reset, so that air inside the four L-shaped boxes 6 is pumped into the mounting groove 66, then the four anti-collision plates 63 are taken into the L-shaped boxes 6, and when the plurality of tray bodies 1 are overlapped and stored, one tray body 1 is placed right above the other tray body 1, as shown in fig. 14, the four anti-collision plates 63 of the tray body 1 positioned on the lower side can move upwards to limit the tray body 1 positioned on the upper side, and when the plurality of tray bodies 1 are overlapped and stored, the stability of the tray bodies can be ensured.

Through holes communicated with the two mounting grooves 66 are respectively formed in the left side wall and the right side wall of the tray body 1, and switch valves 68 are respectively mounted in the two through holes; like this when tray body 1 bears the weight of the goods volume ratio self when big, can open the ooff valve 68 of both sides, make two inside and external intercommunication of mounting groove 66 to when the goods was placed on tray body 1, goods extrudees clamp plate 651 downwards, and second piston plate 64 moves down, and the air of second piston plate 64 downside can flow the external world through the through-hole, can not promote crashproof board 63 upward movement, can satisfy the transportation that bears the weight of big goods.

The resetting component comprises a third spring 7 and a telescopic rod 71, the telescopic rod 71 is fixedly arranged between the bottom wall of the mounting groove 66 and the second piston plate 64, and the third spring 7 is sleeved on the outer side of the telescopic rod 71; thus, the second piston plate 64 is connected with the bottom wall of the mounting groove 66 through the telescopic rod 71, when the pressing plate 651 bears goods, the second piston plate 64 moves downwards, the third spring 7 can be compressed, when the pressing plate 651 does not have goods, the reset elastic force of the third spring 7 pushes the second piston plate 64 to reset, and the elasticity of the third spring 7 can enable the goods positioned on the pressing plate 651 to have certain buffering and play a certain damping function.

The sliding plate 21 is further provided with a stabilizing assembly, the stabilizing assembly comprises four stabilizer bars 8, the four stabilizer bars 8 are uniformly distributed and fixed in the cavity 24, and the sliding plate 21 is connected with the four stabilizer bars 8 in a sliding manner; when the sliding plate 21 moves up and down, the sliding plate 21 can move up and down more stably by arranging the four stabilizer bars 8 which are uniformly distributed.

The foregoing embodiments are merely illustrative of the principles of the present invention and its efficacy, and are not to be construed as limiting the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. The utility model provides a tray with crashproof structure which characterized in that: the tray comprises a tray body, wherein the tray body is provided with an ejection mechanism and an anti-collision mechanism, the tray body consists of an upper supporting plate, three supporting rods and a lower supporting plate, the three supporting rods are positioned between the upper supporting plate and the lower supporting plate, and slots are reserved between every two three supporting rods;

2. A pallet with impact-resistant structure as claimed in claim 1, wherein: the transmission component comprises two chain wheels and an accessory chain, wherein the chain wheels are assembled on the upper wall of the sliding groove in a rotating mode, the lower end of the screw rod extends into the sliding groove and is connected with the chain wheels in a transmission mode, the accessory chain is connected with the chain wheels in a transmission mode, a connecting piece is arranged on one side of the accessory chain, and the connecting piece is connected with the sliding block.

3. A pallet with impact-resistant structure as claimed in claim 1, wherein: the two groups of locking components are respectively arranged at the left side and the right side of the sliding block, the locking components comprise a first locking block, a first spring and a first pull rope, the sliding block is provided with a first step hole, the first locking block is assembled in the first step hole in a sliding way, the first spring is positioned between the first step hole and the first lock block, two groups of first lock holes matched with the first lock block are arranged at the front and the back of the side wall of the chute, the sliding block is provided with a first pull rope groove, the first pull rope is positioned in the first pull rope groove, one end of the first pull rope is connected with the first locking block, the rotary seat is also provided with a moving groove communicated with the first rope pulling groove, the center of the damping rotating shaft is provided with a connecting groove communicated with the moving groove, the other end of the first pull rope penetrates through the moving groove and extends into the connecting groove to be connected with a pulling piece.

4. A pallet with impact-resistant structures as claimed in claim 4, characterised in that: the pulling part comprises a telescopic pull rod and a second handle, a movable groove communicated with the connecting groove is formed in the connecting rod, the telescopic pull rod is located in the movable groove, one end of the telescopic pull rod is connected with the two first pull ropes, the other end of the telescopic pull rod penetrates through the connecting block and is connected with the second handle, and the telescopic stroke of the telescopic pull rod is the same as that of the telescopic connecting rod.

5. A pallet with impact-resistant structure as claimed in claim 1, wherein: the slider rear side be equipped with the first fluting of connecting block assorted, the fluting is equipped with two sets of connecting elements, connecting elements includes second locking piece, second spring and second stay cord, second step hole has been seted up to first fluting upper wall, locking piece sliding fit is in the second step hole, the second spring is located the locking piece with between the second step hole, second stay cord one end with the locking piece is connected, the other end with first stay cord is connected, the slider be equipped with second stay cord assorted second stay cord groove, the connecting block be equipped with second locking piece assorted second lockhole, the fluting front side be equipped with first handle assorted second fluting.

6. A pallet with impact-resistant structure as claimed in claim 1, wherein: anticollision institution includes four L shape box bodys, four L shape box body is located respectively tray body's four corners, four L shape box body surface all is equipped with a plurality of anticollision strips, four L shape box body upside all is equipped with the opening, four equal sealed slip has first piston board in the L shape box body, first piston board upside fixedly connected with anticollision board, tray body left and right sides symmetry is equipped with the promotion subassembly.

7. A pallet with impact-resistant structures as claimed in claim 6, characterised in that: the lifting assembly comprises a second piston plate, a resetting member and a fixed block, a mounting groove is formed in the left side of the tray body, the second piston plate is arranged in the mounting groove in a sealing and sliding mode, the resetting member is arranged between the bottom wall of the mounting groove and the second piston plate, a plurality of air holes are formed between the lower side of the mounting groove and the lower sides of the two L-shaped boxes on the same side, and the fixed block is fixedly arranged on the upper side of the second piston plate; two the fixed block upper end is connected with the clamp plate jointly, tray body upside is equipped with and accomodates the groove with clamp plate assorted second.

8. A pallet with impact-resistant structures as claimed in claim 7, characterised in that: the tray body left and right sides wall is equipped with respectively with two the through-hole of mounting groove intercommunication, two the ooff valve is all installed to the through-hole.

9. A pallet with impact-resistant structures as claimed in claim 7, characterised in that: the resetting component comprises a third spring and a telescopic rod, the telescopic rod is fixedly arranged between the bottom wall of the mounting groove and the second piston plate, and the third spring is sleeved on the outer side of the telescopic rod.

10. A pallet with impact-resistant structure as claimed in claim 1, wherein: the slide still is equipped with stabilizing assembly, stabilizing assembly includes four stabilizer bars, four stabilizer bar evenly distributed is fixed to be located in the cavity, just the slide with four stabilizer bar sliding connection.