CN211167856U

CN211167856U - Tray convenient to pile

Info

Publication number: CN211167856U
Application number: CN201921814939.6U
Authority: CN
Inventors: 吴啸; 刘广震; 於奕菲
Original assignee: Wuxi Maki Sunhill Converey Co ltd
Current assignee: Wuxi Maki Sunhill Converey Co ltd
Priority date: 2019-10-26
Filing date: 2019-10-26
Publication date: 2020-08-04
Anticipated expiration: 2029-10-26

Abstract

The utility model relates to a tray convenient to pile, it includes the chassis, four turnings on chassis all are equipped with a first L shaped plates, four the opening of first L shaped plate sets up relatively, it has first fender frame to articulate between two first L shaped plates of length direction one side to follow the chassis, first fender frame is kept away from one side on chassis and is equipped with the second L shaped plate corresponding with first L shaped plate, the chassis has the second to keep off the frame along length direction's both ends symmetry is articulated, the chassis deviates from one side of first fender frame and is equipped with a plurality of bracing piece along chassis length direction, bracing piece and second L shaped plate cooperation, be equipped with the connecting piece that is used for two fixed pile trays on the bracing piece, the utility model discloses stability when can increasing the tray pile reduces the tray and causes the possibility that the tray of pile drops because of jolting in the transportation to reduce the potential safety hazard.

Description

Tray convenient to pile

Technical Field

The utility model belongs to the technical field of the tray transportation technique and specifically relates to a tray convenient to pile is related to.

Background

Chinese patent with publication number CN208897571U discloses a pallet for goods transportation, including frame-type upper tray and lower tray, foldable support rods are installed at four corners of the lower tray, the lower parts of the four corners of the upper tray are installed at the upper ends of the support rods through positioning connection mechanisms, the upper part of the lower tray is located at the four corners to install corner posts, the corner posts are of a groove-shaped structure with an inner side opening, grooves are arranged at the upper ends of the front and rear side faces of the corner posts, holes are arranged at the front and rear side faces of the corner posts, protrusions matched with the grooves are arranged at the front and rear side faces of the foldable support rods, pin shafts matched with the holes are arranged at the lower parts of the support rods, the support rods are installed.

The above prior art solutions have the following drawbacks: two trays are in the pile, and the tray of higher authority drops easily, and when the transportation, the tray jolts, and the tray of pile above drops easily, causes the condition of potential safety hazard to take place.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a tray convenient to pile, its advantage is: stability when increasing the tray pile through the connecting piece reduces the tray and causes the possibility that the tray of pile dropped because of jolting in the transportation to reduce the potential safety hazard.

The above technical scheme of the utility model is that a tray convenient to pile, including the chassis, four turnings on chassis all are equipped with a first L shaped plate, four the opening of first L shaped plate sets up relatively, it has first fender frame to articulate between two first L shaped plates on one side of length direction to keep off the chassis, one side that the chassis was kept away from to first fender frame is equipped with the second L shaped plate corresponding with first L shaped plate, the chassis has second fender frame along length direction's both ends symmetry hinge joint, one side that the chassis deviates from first fender frame just is equipped with a plurality of bracing piece along chassis length direction, bracing piece and the cooperation of second L shaped plate, be equipped with the connecting piece that is used for fixed two pile pallets on the bracing piece, the articulated point of first fender frame and first L shaped plate is higher than the position after the folding of second fender frame, the height that first L shaped plate is greater than the height after first fender frame is folded.

Through adopting above-mentioned technical scheme, at the tray in-process of using, the operator lifts a tray and places on another tray, the bracing piece that is located chassis length direction both sides cooperates with second L shaped plates, and partial bracing piece supports on first frame, then the operator passes through the connecting piece with two tray reciprocal anchorages that the pile got up, thereby stability when increasing the tray pile, and then reduce the tray because of jolting the possibility that causes the tray of pile to drop in the transportation, in order to reduce to cause the potential safety hazard.

The utility model discloses further set up as the bracing piece all is equipped with one at chassis along length direction's both ends, the connecting piece is including setting up the fixing base that deviates from one side mutually at two bracing pieces, the fixing base is equipped with two, two along bracing piece length direction's bilateral symmetry the first recess has been seted up to one side that the fixing base deviates from mutually, it is equipped with first stopper to rotate in the first recess, all be equipped with one on first L shaped plate and the second L shaped plate with the spacing seat of first stopper complex, the one end that first stopper deviates from spacing seat is equipped with the pull rod that passes the fixing base, be equipped with first spring between the tank bottom of first stopper and first recess.

Through adopting above-mentioned technical scheme, when the pile tray, the operator stimulates the pull rod, the pull rod drives first stopper and moves back to in the first recess, first spring is compressed this moment, place stable back when the tray of two piles, the operator loosens the pull rod, first spring is under the effect of elastic recovery power, release first stopper from first recess, first stopper and spacing seat cooperation, make two more firm connections of tray together, two trays form a whole, thereby make the more stable connection of tray of two piles, and then reduce the possibility that the tray of pile above takes place to drop when the transportation.

The utility model discloses further set up as the chassis all is equipped with a bracing piece along length direction's both ends, the connecting piece includes the second stopper, two the second recess has been seted up to one side that the bracing piece deviates from mutually, the second recess is equipped with two along bracing piece length direction's bilateral symmetry, second stopper sliding connection is in the second recess, all set up one on first L shaped plate and the second L shaped plate with second stopper matched with spacing hole, one side that spacing hole was kept away from to the second stopper is rotated and is connected with the threaded rod, the threaded rod wear out the bracing piece and with bracing piece threaded connection.

Through adopting above-mentioned technical scheme, when the pile tray, the operator rotates the threaded rod, the threaded rod carries out linear motion and promotes the second stopper and removes, the second recess has restricted the rotation of second stopper, make the second stopper slide along second recess length direction, the threaded rod releases the second stopper from the second recess, second stopper and spacing hole cooperation, make two firm connections into a whole of tray, thereby make the more stable of two tray piles, and then reduce the condition that the tray dropped because of jolting when the tray that the pile above causes when the transportation.

The utility model is further provided with a first L-shaped block at one end of the fixed seat far away from the limit seat, and a second L-shaped block which is complementary with the first L-shaped block is fixedly arranged at one side of the first L-shaped block deviating from the fixed seat.

Through adopting above-mentioned technical scheme, when first L type pieces and second L type pieces were complementary mutually, first stopper stretches out first recess and cooperatees with spacing seat, the operator pulls the pull rod and rotates 180, the tip on one side is contradicted with second L type piece is relative to first L type piece, make first L type piece and second L type piece deviate from the distance increase between the one side mutually, first stopper moves back to in the first recess, thereby the displacement distance of first stopper can be controlled to first L type piece and second L type piece, make first stopper be located first recess, so that the pile tray.

The utility model discloses further set up as one side that the bracing piece deviates from the chassis has seted up the third recess along length direction's both ends symmetry, rotate through the pivot in the third recess and be connected with the gyro wheel, the third recess has seted up two L shape holes along two cell walls of width direction on the symmetry, L shape hole slides and is equipped with the slider, two it is connected with the gyro wheel to rotate between the slider.

Through adopting above-mentioned technical scheme, the operator slides the slider, slides the slider to the horizontal direction from the vertical direction in L shape hole for the gyro wheel stretches out from the third recess, and the diapire and the ground contact of gyro wheel protrusion bracing piece make the tray can roll and arrange subaerially in this moment, and gyro wheel and ground rolling friction have reduced the frictional force on tray and ground, thereby make the tray be convenient for remove, so that the quick convenient removal tray of operation.

The utility model discloses further set up to: two keep away from chassis one side between the first fender frame and be equipped with the stiffener, the both ends of stiffener all keep away from the one side on chassis at first fender frame through the draw-in groove lock.

Through adopting above-mentioned technical scheme, the operator is when opening the first frame that keeps off of chassis both sides, and the operator connects the stiffener between two first frame that keep off through the draw-in groove earlier, and the stiffener supports two first frame that keep off for two first frame that keep off are more stable stand, thereby have increased two first firm in connection nature that keep off the frame, and then reduce the first possibility that keeps off the frame and take place to empty.

The utility model discloses two one side that the draw-in groove deviates from mutually is equipped with the lock stop, the lock stop includes shape frames of open end and draw-in groove outer wall connection, wear to be equipped with the gag lever post that passes the draw-in groove lateral wall simultaneously on the diapire of shape frame, set up the spacing groove with gag lever post matched with on the first fender frame, the gag lever post is equipped with the dog in one side that the draw-in groove deviates from first fender frame, the gag lever post is equipped with the second spring between dog and shape frame, the both ends of second spring butt respectively at the tank bottom of dog and shape frame.

Through adopting above-mentioned technical scheme, the operator is when the draw-in groove lock is on first fender frame, stimulate the gag lever post earlier, make the dog remove towards the diapire direction of shape frame, the second spring has elastic restoring force by compressing this moment, when the gag lever post aligns with the spacing groove, the operator loosens the gag lever post, gag lever post and spacing groove cooperation, make the firm lock of draw-in groove on first fender frame, thereby the fastness that draw-in groove and first fender frame are connected has been increased, and then reduce the condition emergence that the draw-in groove breaks away from first fender frame, take place the possibility that drops in order to reduce the stiffener.

The utility model discloses further set up to: the second keeps off the frame and keeps away from the chassis and is equipped with the mounting panel towards one side of first fender frame, the mounting panel is equipped with the flange along length direction's both ends, two wear to be equipped with the round pin post on the flange simultaneously, set up on the first fender frame with round pin post complex pinhole.

Through adopting above-mentioned technical scheme, the operator promotes the round pin post and removes along mounting panel length direction for during the round pin post was pegged graft to the pinhole, the round pin post kept off the frame with the second and is connected with first fender frame, thereby the round pin post has increased the second and has kept off the fastness that frame and first fender frame are connected, and then reduces the second and keep off the possibility that the frame takes place to empty, blocks the goods in the tray.

The utility model discloses further set up to: be equipped with the handle on the round pin post, one side that the mounting panel is close to first fender frame is equipped with the block rubber, the annular has been seted up along the peripheral direction to the block rubber, the handle supports tightly between the flange that block rubber and mounting panel are close to first fender frame one side.

Through adopting above-mentioned technical scheme, the operator rotates the handle, make the handle perpendicular with the mounting panel, and remove the handle, make round pin post and pinhole cooperation, the operator rotates the handle this moment, make the handle press from both sides tightly between block rubber and flange, because block rubber self has elasticity, consequently the block rubber can support the handle tightly between block rubber and flange, the handle joint is in the annular simultaneously, thereby the annular is with the handle chucking between block rubber and flange, and then the condition that reduces the handle and break away from in the annular takes place, with the possibility that the round pin post breaks away from in the pinhole that reduces.

To sum up, the utility model discloses a beneficial technological effect does:

1. the connecting piece increases the stability of the stacked trays, and can reduce the possibility that the stacked trays fall off due to jolt in the transportation process of the trays so as to reduce potential safety hazards;

2. the first limiting block is matched with the limiting seat, so that the two stacked trays are connected more stably, and the possibility that the stacked trays fall off during transportation can be reduced;

3. the friction force of the roller tray and the ground enables the tray to be conveniently moved on the ground, and therefore the tray can be conveniently and fast moved.

Drawings

FIG. 1 is a schematic view of the entire structure of embodiment 1.

Fig. 2 is an enlarged schematic view of a portion a in fig. 1.

Fig. 3 is an enlarged schematic view of a portion B in fig. 2.

Fig. 4 is an enlarged schematic view of a portion C in fig. 1.

Fig. 5 is a schematic structural diagram of the locking member according to embodiment 1.

Fig. 6 is a schematic structural diagram of embodiment 1 for embodying a third groove.

FIG. 7 is a schematic view of the entire structure of embodiment 2.

Fig. 8 is an enlarged schematic view of a portion D in fig. 7.

In the drawing, the device comprises a base plate 1, a base plate 11, a first blocking frame 12, a second blocking frame 13, a first L-shaped plate 14, a second L-shaped plate 15, a supporting rod 2, a connecting piece 21, a fixed seat 22, a first groove 23, a first limiting block 24, a limiting seat 25, a pull rod 26, a first spring 26, a first L-shaped block 27, a second L-shaped block 28, a second L-shaped block 3, a second groove 31, a second limiting block 32, a limiting hole 33, a threaded rod 34, a knob 4, a third groove 41, a roller 42, a L-shaped hole 43, a sliding block 44, a notch 5, a reinforcing rod 51, a clamping groove 6, a locking piece 61, a -shaped frame 62, a limiting rod 63, a limiting groove 64, a stop block 65, a second spring 7, a mounting plate 71, a blocking edge 72, a pin column 73, a pin hole 74, a handle 75, a rubber block 76, a ring groove 77 and a clamping block.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Embodiment 1 with reference to fig. 1, for the utility model discloses a tray convenient to pile, including chassis 1, chassis 1 is equipped with a set of first L shaped plate 13 along length direction one side, the first L shaped plate 13 of every group is equipped with two along chassis 1 length direction's both ends symmetry, first L shaped plate 13 is equipped with two sets ofly along chassis 1 width direction symmetry, and the opening of two sets of first L shaped plates 13 sets up relatively, all rotate on the first L shaped plate 13 of every group and be connected with first fender frame 11, first fender frame 11 is provided with four second L shaped plates 14 that correspond with four first L shaped plates 13 in the one end of keeping away from chassis 1, chassis 1 articulates respectively at both ends along length direction has a second fender frame 12, second fender frame 12 articulates on chassis 1 towards one side of chassis 1, chassis 1 deviates from one side of first fender frame 11 and is equipped with bracing piece 15 along width direction, bracing piece 15 is equipped with a plurality of along chassis 1 length direction, two bracing pieces that set up at chassis 1 along length direction both ends can be used for two fixed sign indicating number connecting piece with first L or second L, the supporting piece is equipped with two fixed sign indicating number connecting piece on the tray 462.

Referring to fig. 1, an operator opens a first blocking frame 11 and a second blocking frame 12 respectively until the first blocking frame 11 and the second blocking frame 12 are perpendicular to a chassis 1, one end of a second L-shaped plate 14, which is far away from the chassis 1, is higher than one end of the first blocking frame 11, which is far away from the chassis 1, the operator places a tray above the other tray, support rods 15 at two ends of the chassis 1 in the length direction are matched with a second L-shaped plate 14, at this time, the operator fixes the support rods 15 and a second L-shaped plate 14 through a connecting piece 2, so that the two trays are integrated, and stability of the two trays when the two trays are stacked is increased.

Referring to fig. 2 and 3, the connecting member 2 is disposed on one side of the chassis 1 that deviates from the two support rods 15 at the two ends in the length direction, the connecting member 2 includes a fixing seat 21 disposed on the support rod 15, a first limiting block 23, a limiting seat 24, a pull rod 25 and a first spring 26, the fixing seat 21 is symmetrically disposed along the length direction of the support rod 15, a first groove 22 is disposed on the fixing seat 21, the first limiting block 23 is rotatably disposed in the first groove 22 and slides along the length direction of the first groove 22, the limiting seat 24 is disposed on the first L-shaped plate 13, when the first limiting block 23 extends out of the first groove 22, the first limiting block 23 is inserted into the limiting seat 24, the pull rod 25 is disposed at one end of the first limiting block 23 far from the limiting seat 24, and the end of the pull rod 25 far from the first limiting block 23 extends out of the fixing seat 21, the first spring 26 is sleeved on the pull rod 25 between the bottoms of the first limiting block 23 and the first groove 22, and the two ends of the first spring 26 are respectively abutted to the bottoms of the first limiting block 23 and the first groove 22, and the bottoms of the fixing seat L7 and the first fixing block 20 are disposed at one side of the fixing seat 18.

Referring to fig. 2 and 3, an operator pulls the pull rod 25, the pull rod 25 drives the first limiting block 23 to move, the first limiting block 23 retreats into the first groove 22, at this time, the first spring 26 is compressed to have elastic restoring force, the operator rotates the pull rod 25 to 180 degrees, so that the opposite end portions of the first L-shaped block 27 and the second L-shaped block 28 abut against each other, at this time, the first L-shaped block 27 and the second L-shaped block 28 limit the moving distance of the pull rod 25, the first limiting block 23 is located in the first groove 22, and further the first limiting block 23 is positioned, so that the first limiting block 23 is prevented from extending out to influence the mutual cooperation of the two trays, when the two trays are stacked, the operator returns the pull rod 25, so that the first L-shaped block 27 and the second L-shaped block 28 are in a complementary state, at this time, the first spring 26 pushes the first limiting block 23 to move towards the limiting seat 24, the first limiting block 23 is inserted into the limiting seat 24, so that the first limiting block 23 and the two trays are fastened together, so that the two trays form a whole tray stacking state, and the risk that the two trays may be separated when the operator is reduced, and the operator may bump is possible.

Referring to fig. 4 and 5, a reinforcing rod 5 is disposed between two first blocking frames 11, the reinforcing rod 5 is disposed at one end of the first blocking frame 11 far away from the chassis 1 (as in fig. 1), and both ends of the reinforcing rod 5 are fastened to the two first blocking frames 11 through a clamping groove 51, when an operator opens the first blocking frames 11 on both sides of the chassis 1, the reinforcing rod 5 is used for supporting, so that the two first blocking frames 11 are not prone to toppling, thereby increasing the firmness of the first blocking frames 11, so that the operator loads goods from both ends of the chassis 1, meanwhile, a locking member 6 for fixing the clamping groove 51 is disposed on one side of the clamping groove 51 far away from the reinforcing rod 5, the locking member 6 includes a -shaped frame 61, a limiting rod 62, a block 64 and a second spring 65, an open end of the -shaped frame 61 is welded on one side of the clamping groove 51 far away from the reinforcing rod 5, a limiting groove 63 is disposed on one side of the first blocking frame 11 facing the -shaped frame 61, the limiting rod 62 simultaneously passes through the bottom wall of the -shaped frame 61 and the side wall of the clamping groove 51, and the bottom wall of the second blocking frame 64 are respectively, the bottom wall of the second blocking frame 64, so that the bottom wall of the second blocking frame 51 is not prone to drop from the bottom wall of the second blocking frame 51, and the bottom wall of the first blocking frame 51, thereby reducing the bottom wall of the first blocking frame 62, the bottom wall of the bottom.

Referring to fig. 2, the second blocking frame 12 is welded with the mounting plate 7 at one side far away from the chassis 1 and facing the first blocking frame 11, the mounting plate 7 is welded with the blocking edges 71 along two ends of the length direction symmetrically, the two blocking edges 71 are simultaneously provided with the pin 72 in a penetrating manner, the first blocking frame 11 is provided with the pin hole 73 matched with the pin 72, the pin 72 is provided with the handle 74 on the pin 72 close to one side of the first blocking frame 11, the mounting plate 7 is provided with the rubber block 75 for tightly abutting against the handle 74 at one side close to the first blocking frame 11, the rubber block 75 is provided with the fixture block 77 at one side far away from the first blocking frame 11, and the rubber block 75 is provided with the annular groove 76 with a semicircular arc-shaped cross section along the circumferential direction. After the chassis 1 is filled with goods, an operator turns the second blocking frame 12 to block the goods in the chassis 1, at the moment, the operator rotates the handle 74 and pushes the pin 72 towards the first blocking frame 11, so that the pin 72 is matched with the pin hole 73, the pin 72 and the pin hole 73 connect the first blocking frame 11 with the second blocking frame 12, and the possibility of toppling over of the second blocking frame 12 is reduced. Meanwhile, an operator rotates the handle 74 to enable the handle 74 to be tightly abutted between the rubber block 75 and the flange 71, the rubber block 75 is soft, the annular groove 76 wraps the handle 74 at the moment, the handle 74 is further clamped between the rubber block 75 and the flange 71, therefore, the clamping firmness of the handle 74 is improved, the situation that the handle 74 is separated from the rubber block 75 and the flange 71 is reduced, the movement of the pin 72 is limited, and the possibility that the pin 72 is separated from the pin hole 73 is reduced. When the second blocking frame 12 needs to be opened, an operator rotates the handle 74, so that the handle 74 is separated from the space between the rubber block 75 and the blocking edge 71, the operator pushes the handle 74, the pin 72 is separated from the pin hole 73, and then the handle 74 is rotated, so that the handle 74 is clamped between the clamping block 77 and the rubber block 75, the handle 74 is fixed, the possibility of movement of the handle 74 is reduced, the pin 72 is separated from the blocking edge 71, and the pin 72 is prevented from falling.

Referring to fig. 2 and 6, two third grooves 4 are symmetrically formed in one side of two support rods 15 located at two ends of a chassis 1, which is away from the chassis 1, along a length direction, two L-shaped holes 42 are symmetrically formed in two side walls of the third grooves 4 along the length direction, a slider 43 sliding along the L-shaped hole 42 is arranged in each of two L-shaped holes 42, a roller 41 is rotatably connected between the two sliders 43, a notch 44 is formed in each of two ends of the L-shaped hole 42, an operator moves the slider 43 so that the slider 43 slides to one side of the L-shaped hole 42 in a horizontal direction, at this time, the roller 41 protrudes from the third groove 4 to be in contact with the ground, then the operator clamps the slider 43 into the notch 44, the notch 44 limits the movement of the slider 43, so that the notch 44 positions the slider 43 at a horizontal position of the L-shaped hole 42, thereby reducing the occurrence of the slider 43 moving along a horizontal direction of the L-shaped hole 42, so that the roller 41 keeps in contact with the ground, the roller 41 converts the friction of the support rod 15 and the ground into rolling friction, thereby facilitating the movement of the tray, so that the operation of the tray needing to be quickly and quickly retracted, when the slider 3543 moves, the slider 3544, the slider is clamped into the notch of the vertical notch 3544, thereby reducing the slider, and reducing the slider, thereby reducing the slider, and reducing the situation that the slider can be.

The implementation principle of the embodiment is that an operator pulls the pull rod 25 first, rotates the pull rod 25 by 180 degrees, the end parts of the opposite sides of the first L-shaped blocks 27 and the second L-shaped blocks 28 are butted with each other, so that the first limit blocks 23 retreat into the first grooves 22, then the support rods 15 are embedded among the four second L-shaped blocks 14, two trays are stacked, the operator rotates the pull rod 25 back, so that the first L-shaped blocks 27 and the second L-shaped blocks 28 are in a complementary state, the first limit blocks 23 extend out of the first grooves 22 and are matched with the limit seats 24, and at the moment, the two trays are fixed together.

Embodiment 2-a pallet convenient for stacking, the difference with embodiment 1 is that, referring to fig. 7 and 8, the connecting member 2 includes a second stopper 31 and a threaded rod 33, two second grooves 3 are formed on the side, facing away from each other, of two support rods 15 at two ends of the chassis 1 in the length direction, two second grooves 3 are symmetrically formed in the length direction of the support rods 15, the second stopper 31 slides in the second grooves 3 in the length direction, both the first L-shaped plate 13 and the second L-shaped plate 14 are provided with a stopper hole 32 matched with the second stopper 31, the threaded rod 33 is rotatably connected to one end, away from the stopper hole 32, of the second stopper 62, the threaded rod 33 extends out of the support rods 15, one end, away from the second stopper 31, of the threaded rod 33 is provided with a knob 34 convenient for an operator to rotate the threaded rod 33, when two pallets are stacked, the operator rotates the knob 34 drives the threaded rod 33 to rotate, the second groove 3 restricts the rotation of the second stopper 31, the second stopper 31 extends out of the second groove 3, the second stopper 31 is matched with the stopper hole 32, thereby reducing the risk of bumping during the transportation of the two pallets, and the occurrence of the two pallets.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The tray convenient for stacking is characterized by comprising a chassis (1), wherein four corners of the chassis (1) are respectively provided with a first L-shaped plate (13), openings of four first L-shaped plates (13) are oppositely arranged, a first blocking frame (11) is hinged between two first L-shaped plates (13) on one side of the chassis (1) along the length direction, one side, away from the chassis (1), of the first blocking frame (11) is provided with a second L-shaped plate (14) corresponding to the first L-shaped plate (13), two ends of the chassis (1) along the length direction are symmetrically hinged with a second blocking frame (12), one side, away from the first blocking frame (11), of the chassis (1) is provided with a plurality of supporting rods (15) along the length direction of the chassis (1), the supporting rods (15) are matched with the second L-shaped plates (14), and the supporting rods (15) are provided with connecting pieces (2) for fixing two stacking trays;

the hinge point of the first baffle frame (11) and the first L-shaped plate (13) is higher than the position of the second baffle frame (12) after being folded, and the height of the first L-shaped plate (13) is higher than the height of the first baffle frame (11) after being folded.

2. The tray convenient to stack as claimed in claim 1, wherein the support rod (15) is provided with one at each of two ends of the chassis (1) along the length direction, the connecting member (2) comprises two fixing seats (21) arranged at opposite sides of the two support rods (15), the two fixing seats (21) are symmetrically arranged along two sides of the support rod (15) along the length direction, a first groove (22) is formed at one side of the two fixing seats (21) opposite to each other, a first limit block (23) is rotatably arranged in the first groove (22), a limit seat (24) matched with the first limit block (23) is arranged on each of the first L-shaped plate (13) and the second L-shaped plate (14), a pull rod (25) penetrating through the fixing seat (21) is arranged at one end of the first limit block (23) opposite to the limit seat (24), and a first spring (26) is arranged between the first limit block (23) and the bottom of the first groove (22).

3. The tray convenient to stack as claimed in claim 1, wherein the supporting rod (15) is provided with one at each of two ends of the chassis (1) along the length direction, the connecting member (2) comprises a second limiting block (31), a second groove (3) is formed in one side of each of the two supporting rods (15) which is away from the other side of the two supporting rods, two limiting holes (32) matched with the second limiting blocks (31) are symmetrically formed in the second grooves (3) along the two sides of the supporting rods (15) in the length direction of the second grooves (3), the second limiting blocks (31) are slidably connected in the second grooves (3), the first L shaped plates (13) and the second L shaped plates (14) are provided with one limiting hole (32) respectively, one side of the second limiting blocks (31) far away from the limiting holes (32) is rotatably connected with a threaded rod (33), and the threaded rod (33) penetrates through the supporting rods (15) and is in threaded connection with.

4. A pallet convenient for stacking according to claim 2, characterized in that a first L-shaped block (27) is arranged at one end of the fixed seat (21) far away from the limiting seat (24), and a second L-shaped block (28) which is complementary with the first L-shaped block (27) is fixedly arranged on the side of the first L-shaped block (27) far away from the fixed seat (21) of the pull rod (25).

5. The tray convenient to stack as claimed in claim 2 or 3, wherein the supporting rod (15) is provided with third grooves (4) symmetrically at two ends of one side, which is far away from the chassis (1), along the length direction, the third grooves (4) are connected with rollers (41) in a rotating manner through rotating shafts, two L-shaped holes (42) are symmetrically formed in two groove walls of the third grooves (4) along the width direction, the L-shaped holes (42) are provided with sliding blocks (43) in a sliding manner, and the rollers (41) are rotatably connected between the two sliding blocks (43).

6. A pallet for facilitating stacking as claimed in claim 5, wherein: two keep away from chassis (1) one side between first fender frame (11) and be equipped with stiffener (5), the both ends of stiffener (5) all keep away from chassis (1) one side at first fender frame (11) through draw-in groove (51) lock.

7. The tray convenient to stack as claimed in claim 6, wherein a locking piece (6) is arranged on one side of each of the two clamping grooves (51) which is far away from the side, the locking piece (6) comprises an -shaped frame (61) with an opening end connected with the outer wall of the clamping groove (51), a limiting rod (62) which penetrates through the side wall of the clamping groove (51) simultaneously penetrates through the bottom wall of the -shaped frame (61), a limiting groove (63) matched with the limiting rod (62) is formed in the first blocking frame (11), a stop block (64) is arranged on one side, away from the first blocking frame (11), of the clamping groove (51) of the limiting rod (62), a second spring (65) is arranged between the stop block (64) and the -shaped frame (61), and two ends of the second spring (65) abut against the bottoms of the stop block (64) and the -shaped frame (61) respectively.

8. A pallet for facilitating stacking as claimed in claim 5, wherein: the second keeps off frame (12) and keeps away from chassis (1) and is equipped with mounting panel (7) towards one side of first fender frame (11), mounting panel (7) are equipped with flange (71) along length direction's both ends, two wear to be equipped with round pin post (72) on flange (71) simultaneously, seted up on first fender frame (11) with round pin post (72) complex pinhole (73).

9. A pallet for facilitating stacking as claimed in claim 8, wherein: be equipped with handle (74) on round pin post (72), one side that mounting panel (7) are close to first fender frame (11) is equipped with block rubber (75), annular (76) have been seted up along the peripheral direction in block rubber (75), handle (74) support tightly between block rubber (75) and mounting panel (7) flange (71) that are close to first fender frame (11) one side.