CN113142812A

CN113142812A - Goods shelf

Info

Publication number: CN113142812A
Application number: CN202110496359.2A
Authority: CN
Inventors: 张华锋; 蔺富; 胡文元
Original assignee: Shanghai Guidu Intelligent Logistics Equipment Co ltd
Current assignee: Shanghai Guidu Intelligent Logistics Equipment Co ltd
Priority date: 2021-05-07
Filing date: 2021-05-07
Publication date: 2021-07-23

Abstract

The utility model relates to a goods shelf, it includes four grudging posts and sets up the plywood between four grudging posts, arbitrary the grudging post all turns over a book for the broken line along its length direction and is provided with hidden hem, just hide the hem and be located one side that the grudging post is close to the plywood, hide the hem and seted up a plurality of joint grooves along the length direction of grudging post, adjacent two all be provided with between the grudging post and support the crossbearer, arbitrary it all uses its length direction to turn over the roll-over shaping as the broken line and have a brace table to support the crossbearer, the brace table is the triangle structure setting, and arbitrary it all is provided with and forms joint cooperation joint lug with the joint groove to support crossbearer's both sides, the plywood overlap joint sets up on four brace tables that support the crossbearer of coplanar. This application is guaranteed the goods frame and is supported intensity the time for the dismouting of being convenient for of goods frame.

Description

Goods shelf

Technical Field

The application relates to the field of supporter, especially relate to a goods frame.

Background

In life, the goods shelf is a shelf structure frequently used by people, so that people can store goods conveniently. The related art goods shelf is generally composed of four vertical frames and a laminate arranged between the four vertical frames at intervals up and down, and is divided into a detachable type and a non-detachable type. For convenient transportation, a detachable shelf is becoming a trend in the market.

However, in the related art, the detachable goods shelves usually need to be connected with each other by means of self-tapping screws and other connectors, so that the whole assembly and disassembly process is troublesome, and the supporting strength of the detachable goods shelves without using the connectors is not guaranteed, and there is a need for improvement.

Disclosure of Invention

In order to guarantee that the goods frame supports intensity, make the goods frame be convenient for the dismouting, this application provides a goods frame.

The application provides a goods shelf adopts following technical scheme:

the utility model provides a goods shelf, includes four grudging posts and sets up the plywood between four grudging posts, arbitrary the grudging post all turns over a book for the broken line along its length direction and is provided with hidden hem, just hide the hem and be located one side that the grudging post is close to the plywood, hide the hem and seted up a plurality of joint grooves along the length direction of grudging post, adjacent two all be provided with between the grudging post and support the crossbearer, arbitrary it all uses its length direction to turn over the book shaping as the broken line and have a brace table to support the crossbearer, it is the setting of triangular structure, and arbitrary to support crossbearer length direction's both sides all be provided with and form joint cooperation joint lug with the joint groove, the plywood overlap joint sets up on four brace tables that support the crossbearer of coplanar.

By adopting the technical scheme, the hidden folding edges on the vertical frame are arranged in a folding manner along the length direction of the vertical frame and are positioned at one side close to the laminate, so that the horizontal section of the whole vertical frame, which is vertical to the length direction of the vertical frame, is arranged in a multi-section folding line manner, and the structural strength of the whole vertical frame in the supporting aspect is improved; the clamping convex blocks of the four supporting cross frames are clamped with the clamping grooves on the hidden folding edges of the corresponding vertical frames in sequence, so that the clamping connection position between the supporting cross frames and the vertical frames is hidden, on one hand, the clamping connection position of the goods shelf is prevented from being damaged by foreign objects, and on the other hand, the attractiveness of the outer surface of the vertical frame is improved; in addition, the laminate is placed on the supporting table with the triangular structure on the four supporting cross frames on the same plane, the mounting mode is simple and rapid, and the supporting strength of the supporting cross frames is greatly improved.

Preferably, two hidden folding edges are arranged on any vertical frame and are perpendicular to each other, and avoidance inclined planes are arranged at the positions, located on the supporting table, of the two ends of any supporting transverse frame in the length direction.

By adopting the technical scheme, two hidden folding edges are arranged and are arranged in a mutually perpendicular mode, so that the four supporting cross frames are in rectangular distribution after being connected; the avoidance inclined plane is utilized to ensure that two adjacent supporting cross frames are not interfered when being installed.

Preferably, the clamping lugs at any end of the support cross frame are provided with two clamping lugs, and the two clamping lugs are arranged up and down along the length direction of the vertical frame.

By adopting the technical scheme, the two clamping lugs are arranged and arranged up and down, so that on one hand, the installation tightness between the supporting transverse frame and the vertical frame is further enhanced; on the other hand, two clamping convex blocks which are arranged up and down on the supporting transverse frame are respectively clamped in the clamping grooves of two vertical frames which are adjacent up and down, so that the connection between the upper vertical frame and the lower vertical frame can be realized, namely, a connection mode does not need to be additionally arranged between the two vertical frames.

Preferably, the clamping lug on the supporting cross frame is arranged on one side, far away from the laminated board, of the supporting cross frame, limiting edges are arranged on two sides of the clamping lug in the width direction, the clamping groove sequentially comprises an embedded groove and a clamping groove from top to bottom, the width of the embedded groove is larger than the width between the two limiting edges of the clamping lug, and the width of the clamping groove is smaller than the width between the two limiting edges of the clamping lug.

Through adopting above-mentioned technical scheme, during the actual joint, with the spacing limit of joint lug and joint lug width direction both sides, imbed earlier to the embedded groove in, then, the support crossbearer moves down, with joint lug joint in the clamping groove, because the width in clamping groove is less than the width between two spacing limits of joint lug, and then two spacing limits play spacing anticreep effect, this kind of connected mode only need upwards mention the support crossbearer, reset the joint lug to the embedded groove in, alright follow and demolish in the joint groove, convenient and fast.

Preferably, the width of the clamping groove is reduced from top to bottom.

Through adopting above-mentioned technical scheme, because the width in the card groove reduces from top to bottom, even make the card groove can be the isosceles trapezoid setting, and the trapezoidal narrow limit of equal waist is located the below of vertical direction for at the joint in-process, improve the clamping effect to two spacing limits gradually, and then improve the fastening of supporting the crossbearer on the grudging post.

Preferably, the distance that the clamping convex block protrudes out of the hidden folding edge is smaller than the distance from the hidden folding edge to the outer surface of the side, far away from the laminate, of the vertical frame.

Through adopting above-mentioned technical scheme, the distance of hiding the hem with the joint lug is set up to be less than and hides the hem to the distance that plywood one side surface was kept away from to the grudging post to prevent that the joint lug is outstanding setting on the grudging post surface, and then play hidden effect to outstanding joint lug.

Preferably, the edges of the laminates are provided with right-angle supporting folded edges along the same direction, and the right-angle supporting folded edges are lapped on the supporting tables of the four supporting cross frames on the same plane.

Through adopting above-mentioned technical scheme, utilize the right angle that sets up on the plywood to support the hem, play built on stilts effect to the surface of plywood, also have the effect of buffering to a certain extent.

Preferably, a support rib is fixedly arranged in the middle of one side, close to the support table, of the layer plate, and two ends of the support rib are respectively abutted to two right-angle support edges, opposite to the layer plate, of the layer plate.

By adopting the technical scheme, the supporting ribs fixedly arranged in the middle of one side, close to the supporting table, of the laminate are utilized, the phenomenon that the middle of the laminate is sunken downwards under the action of pressure is prevented, and the supporting strength of the laminate is improved; simultaneously, make the both ends of brace rod respectively with two right angle support edges that the plywood is relative carry out the butt for also having played the effect of support to the plywood to a certain extent with two right angle support edges of brace rod butt, further improved the support strength of plywood.

Preferably, the vertical frame comprises supporting edges which are perpendicular to each other, the two hidden folding edges are respectively arranged on one side, away from each other, of the two supporting edges, the two hidden folding edges on the vertical frame are both located on one side close to the laminate, the two hidden folding edges are perpendicular to each other, and an elastic gap is formed between each hidden folding edge and the corresponding supporting edge.

Through adopting above-mentioned technical scheme, hide the hem setting with two in the one side that the limit was kept away from each other, and make it be located the one side that is close to the plywood, on the one hand, make on the surface of grudging post, can not see the joint position of hiding the hem and supporting between the crossbearer completely, play the effect of hiding the protection, on the other hand, utilize two to hide the hem and correspond the elastic gap who forms between the support limit, make two support crossbearers of fixing on the grudging post, certain buffering effect has, avoid when installation or transport effectively, the rigid collision of mechanical type who brings, help improving whole goods shelves buffering absorbing effect.

Preferably, be provided with the elasticity joint piece on the support crossbearer, the elasticity joint piece includes elasticity portion, butt portion in proper order and presses the splenium, the butt portion and the embedded groove of elasticity joint piece form to inlay and set up and be the protruding setting of arc, just the elasticity joint piece is located butt portion department and is formed with the arc butt face, be formed with between the flange of arc butt face and the vertical direction upside of embedded groove and withdraw from the clearance, press the splenium to be located the one side that is close to the plywood.

By adopting the technical scheme, the elastic clamping sheet on the supporting cross frame is utilized, on one hand, the position of the clamping convex block can be found accurately, on the other hand, when the supporting cross frame is pressed downwards each time under the action of the elastic part during installation, the abutting part can penetrate through the embedded groove and impact on the inner surface of the vertical frame under the action of the elastic force of the elastic part to make a sound, so that the reminding effect is achieved, and the comfort level during installation is improved; if the supporting cross frame is subjected to an upward external force, the supporting cross frame and the embedded groove form an arc abutting surface on the abutting part which is embedded and matched, and the arc abutting surface can abut against the edge of the upper side of the embedded groove in the vertical direction, so that the anti-falling function is achieved; when demolising, the user presses the splenium through the one side to being close to the plywood, because be formed with between the rim of arc butt face and the vertical direction upside of embedded groove and withdraw from the clearance, and then be convenient for withdraw from the embedded groove with butt portion, and then alright will support the crossbearer and demolish from the grudging post, convenient again swiftly.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the hidden folding edges arranged on the vertical frame in a turnover mode are utilized, so that the horizontal section of the whole vertical frame perpendicular to the length direction of the vertical frame is in a multi-section folding line arrangement, the structural strength of the whole vertical frame in the supporting aspect is improved, and the hidden folding edges play a role in hiding the clamping connection position between the supporting transverse frame and the vertical frame, on one hand, the clamping connection position of the goods shelf is favorably prevented from being damaged by foreign objects, and on the other hand, the attractiveness of the outer surface of the vertical frame is improved;

2. by virtue of the two clamping lugs arranged up and down, on one hand, the clamping stability between the supporting transverse frame and the vertical frame is improved; on the other hand, the connection and fixation between two adjacent vertical frames can be realized;

3. the utilization hides the elasticity clearance that forms between hem and the support limit that corresponds to and elasticity portion forms with the embedding groove and inlays establishes complex butt portion, plays dual antidetonation cushioning effect to supporting the crossbearer in horizontal direction and vertical direction, improves whole goods frame anti-seismic performance, helps improving the stability of whole goods frame.

Drawings

FIG. 1 is a partial exploded view of a cargo rack embodying the general structure of the present application;

FIG. 2 is a partial enlarged view of portion A in FIG. 1, mainly showing the structure of the hidden hem;

FIG. 3 is a schematic view of a cross-brace structure according to an embodiment of the present invention;

FIG. 4 is a schematic view of a laminate structure according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of an embodiment of the present application, which mainly shows a vertical descending connection between an upper vertical frame and a lower vertical frame;

fig. 6 is a schematic view of a supporting cross frame structure according to a second embodiment of the present invention;

FIG. 7 is a partial exploded view of the overall structure of the cargo rack according to the third embodiment of the present invention;

FIG. 8 is an enlarged view of a portion B of FIG. 7, which mainly shows the structure of the hidden hem;

fig. 9 is a partial schematic view of a fourth embodiment of the present application, which mainly shows an elastic clip structure.

Reference numerals: 1. erecting a frame; 11. a support edge; 2. laminating the board; 21. supporting and folding the edges at right angles; 22. supporting ribs; 3. hiding the folded edge; 31. a clamping groove; 311. a groove is embedded; 312. a clamping groove; 32. an elastic gap; 4. shaping and folding; 5. a foot pad seat; 6. a universal brake wheel; 7. a supporting cross frame; 71. avoiding the inclined plane; 8. a support table; 81. a horizontal plane; 82. an inclined surface; 83. a binding face; 9. clamping the convex block; 91. a limiting edge; 10. an elastic clip sheet; 101. an elastic portion; 102. an abutting portion; 1021. an arc-shaped abutting surface; 1022. withdrawing the gap; 103. a pressing part.

Detailed Description

The present application is described in further detail below with reference to figures 1-9.

The embodiment of the application discloses a goods shelf.

Example 1

Referring to fig. 1, the goods shelf comprises four vertically arranged stands 1, wherein another stand 1 is further connected to any one stand 1, eight stands 1 are provided, and a layer board 2 is arranged between the eight stands 1, and any one stand 1 is taken as an example for explanation because the structures of any one stand 1 are the same.

Referring to fig. 1 and 2, the vertical frame 1 includes supporting sides 11 perpendicular to each other, a hidden folding edge 3 parallel to the corresponding supporting side 11 is formed on any supporting side 11 by folding and forming the supporting side with the length direction thereof as a folding line, the hidden folding edge 3 on any supporting side 11 is located on one side close to the laminate 2, the hidden folding edge 3 on any supporting side 11 and the corresponding supporting side 11 are arranged in a concave shape, and a plurality of clamping grooves 31 are formed in any hidden folding edge 3 at equal intervals along the length direction thereof; two hide hem 3 and two one sides that support 11 each other and keep away from and use its length direction to turn over the shaping for the broken line and have design hem 4, and should design hem 4 and be located one side of partial ply 2, play the effect that prevents sheet metal and resume deformation, the horizontal cross-section of this grudging post 1 promptly is the setting of multistage broken line, when manufacturing cost was saved to this kind of mode, greatly increased the structural strength of grudging post 1 self. Wherein, the foot-rest base 5 is detachably fixed at one end of the vertical frame 1 in the length direction through embedding, and the universal brake wheel 6 is installed on the foot-rest base 5.

Referring to fig. 1 and 3, a plurality of support crossbars 7 are disposed between two adjacent vertical frames 1, that is, there are four support crossbars 7 in the same horizontal plane 81, and the number of the support crossbars 7 along the length direction of the vertical frames 1 may be a plurality according to the number of the clamping grooves 31.

Referring to fig. 1 and 3, since the structure of any one of the supporting cross frames 7 is the same, one of the supporting cross frames 7 is taken as an example for explanation; it has a supporting bench 8 to all use its length direction to turn over the shaping through the cubic as the broken line on the support crossbearer 7, this supporting bench 8 is the triangular structure, include horizontal plane 81 and play diagonal bracing effect's inclined plane 82 promptly, one side that the horizontal plane 81 that supports crossbearer 7 and be located supporting bench 8 and inclined plane 82 keep away from mutually is formed with the binding face 83 of laminating mutually with hiding hem 3, all be provided with on two binding faces 83 of support crossbearer 7 length direction arbitrary side and form joint complex joint lug 9 with joint groove 31, and joint lug 9 on two binding faces 83 of support crossbearer 7 length direction arbitrary side is along the length direction of grudging post 1 setting from top to bottom. The two ends of the supporting transverse frame 7 in the length direction are both provided with an avoiding inclined surface 71 through cutting at the supporting platform 8, and the included angle between the avoiding inclined surface 71 and the binding surface 83 is 45 degrees. When two adjacent support crossbearers 7 are clamped and fixed by the clamping convex blocks 9 and the clamping grooves 31, the avoidance inclined planes 71 at the same ends of the two support crossbearers 7 are used for preventing interference when the installation is carried out.

Referring to fig. 1 and 3, since the structure and the matching manner of the snap groove 31 and the snap projection 9 are the same, the structure and the matching manner of one pair of the snap groove 31 and the snap projection 9 will be described as an example.

Referring to fig. 1 and 3, both sides of the clamping lug 9 in the width direction are integrally formed with limiting edges 91, the width direction of the clamping lug 9 is parallel to the length direction of the support cross frame 7, the clamping groove 31 sequentially comprises an embedded groove 311 and a clamping groove 312 which are communicated with each other from top to bottom along the vertical direction, the embedded groove 311 is arranged in a rectangular groove manner, the width of the embedded groove 311 is greater than the width of the two limiting edges 91, the width of the clamping groove 312 is less than the width between the two limiting edges 91, the clamping groove 312 is arranged in an isosceles trapezoid groove manner, and the narrow edge of the clamping groove 312 is positioned at the lower side in the vertical direction, namely the width of the clamping groove 312 is reduced from top to bottom; the distance that joint lug 9 is outstanding to hide hem 3 is less than and hides hem 3 to the distance that laminate 2 one side surface was kept away from to grudging post 1, plays the effect of hiding the joint of supporting crossbearer 7 and grudging post 1, on the one hand, helps preventing that the joint of this goods shelves from receiving the destruction of foreign object, and on the other hand has improved the aesthetic property of grudging post 1 surface.

Referring to fig. 1 and 3, during actual joint, the joint lug 9 that will support crossbearer 7 length direction both ends inlays and establishes in embedded groove 311, then, press down and support crossbearer 7, get into joint lug 9 to the card groove 312 in, because the width of card groove 312 is less than the width between two spacing limits 91 of joint lug 9, and then two spacing limits 91 play spacing anticreep effect, this kind of connected mode only need upwards mention support crossbearer 7, reset joint lug 9 to the embedded groove 311 in, alright follow and demolish in the joint groove 31, convenient and fast.

Referring to fig. 1 and 4, plywood 2 is the rectangular plate setting, four borders of plywood 2 all have mutually perpendicular's right angle support hem 21 along same direction punching turn-over shaping, and 2 middle parts of plywood are close to one side that right angle supported hem 21 and have brace rod 22 through welded fastening, and brace rod 22's length direction supports hem 21 looks butt with the right angle of two narrow limits departments of plywood 2 respectively, wherein in 2's right angle support hem 21 with 2 parallel one side overlap joint on four supporting bench 8's of coplanar horizontal plane 81 of plywood, and then accomplish 2's installation, convenient and fast.

The implementation principle of a goods shelf of the embodiment of the application is as follows:

referring to fig. 1 and 5, during actual installation, an installer uses two clamping protrusions 9 on two binding surfaces 83 on the same side in the length direction of the supporting transverse frame 7 to form clamping fixation with two clamping grooves 31 of adjacent vertical frames 1, so as to realize detachable fixation between the vertical frames 1; the binding surface 83 on the supporting transverse frame 7 increases the contact area with the butted vertical frames 1, thereby improving the stability when the adjacent vertical frames 1 are butted;

afterwards, four supporting crossbearers 7 on the same horizontal plane are sequentially embedded into the clamping groove 312 from top to bottom, so that the fixed installation of the supporting crossbearers 7 is completed, the horizontal planes 81 on the four supporting platforms 8 are all located on the same horizontal plane 81, then the right-angle supporting folded edges 21 of the layer boards 2 are placed on the four supporting crossbearers 7, and the installation of the whole goods shelf is completed.

Example 2

Referring to fig. 6, the present embodiment is different from embodiment 1 in that,

the clamping protrusion 9 in this embodiment is a hollow rivet, a limit gap is formed between the hollow rivet and the attachment surface 83, and the diameter of the hollow rivet is smaller than the width of the insertion groove 311 and larger than the width of the clamping groove 312. The hollow rivet is more convenient to process.

Example 3

Referring to fig. 7 and 8, the present embodiment is different from embodiment 1 in that,

hidden hem 3 in this embodiment is turned over and is rolled over the shaping and set up and support the rim that the limit 11 was kept away from each other and with corresponding and support the limit 11 parallel at two, hide hem 3 for two and all be located grudging post 1 and be close to one side of plywood 2, and arbitrary hidden hem 3 is formed with elastic gap 32 with the support limit 11 that corresponds between for hide hem 3 and have certain toughness, when receiving the external force of horizontal direction with the support crossbearer 7 of hiding 3 looks joints of hem, can play the absorbing effect of buffering.

Example 4

Referring to fig. 9, the present embodiment is different from embodiment 3 in that,

in the present embodiment, the elastic snap-on pieces 10 are fixed on the attachment surface 83 of the support cross frame 7 connected to the horizontal surface 81 by welding, two elastic snap-on pieces 10 are provided, and the two elastic snap-on pieces 10 are respectively located at two sides of the attachment surface 83 in the length direction, since the structure of the two elastic snap-on pieces 10 and the connection manner with the support cross frame 7 are the same, one of the elastic snap-on pieces 10 is taken as an example for explanation.

The elastic clamping piece 10 comprises an elastic part 101, an abutting part 102 and a pressing part 103 in sequence, the elastic part 101 can be arranged in a straight line manner, and can also be arranged in an arc-shaped curve manner, when the arc-shaped curve is arranged, the curvature center of the elastic part 101 is one side far away from the laminate 2, the abutting part 102 and the embedding groove 311 form embedding matching and arc-shaped protruding arrangement, the elastic clamping piece 10 is located at the abutting part 102 and is provided with an arc-shaped abutting surface 1021, the arc-shaped abutting surface 1021 and the edge of the upper side of the embedding groove 311 in the vertical direction form abutting matching and is provided with an exiting gap 1022, and the pressing part 103 extends along one side close to the laminate 2 and is provided with a pressing surface capable of pressing downwards.

During actual installation, under the action of the elastic part 101, each time the support cross frame 7 is pressed downwards, the abutting part 102 passes through the embedded groove 311 and collides with the inner surface of the stand 1 under the action of the elastic force of the elastic part 101 to make a sound, so that the effect of reminding is achieved, and the comfort level during installation is improved; if the supporting cross frame 7 is subjected to an upward external force, the arc-shaped abutting surface 1021 abuts against the edge of the upper side of the embedded groove 311 in the vertical direction, so that the anti-falling function is achieved, and in addition, in the anti-falling process, under the action of the self elastic force of the elastic part 101, the buffering function can be achieved, namely, the anti-seismic buffering function is achieved in the vertical direction; when the support frame is detached, a user presses the pressing part 103 to one side close to the layer plate 2, and due to the fact that the withdrawing gap 1022 is formed between the arc abutting surface 1021 and the edge of the upper side of the embedded groove 311 in the vertical direction, the abutting part 102 is conveniently withdrawn from the embedded groove 311, the support cross frame 7 can be detached from the vertical frame 1 conveniently and quickly.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A cargo rack, characterized by: comprises four vertical frames (1) and laminates (2) arranged among the four vertical frames (1), wherein any vertical frame (1) is provided with a hidden folding edge (3) along the length direction of the vertical frame for folding a folding line, and the hidden folded edge (3) is positioned at one side of the vertical frame (1) close to the laminate (2), the hidden folding edges (3) are provided with a plurality of clamping grooves (31) along the length direction of the vertical frames (1), a supporting transverse frame (7) is arranged between every two adjacent vertical frames (1), any supporting transverse frame (7) is folded and formed with a supporting platform (8) by taking the length direction as a folding line, the supporting platform (8) is arranged in a triangular structure, and both sides of any one of the supporting transverse frames (7) in the length direction are provided with clamping convex blocks (9) which form clamping matching with the clamping grooves (31), the laminated plates (2) are overlapped and arranged on supporting tables (8) of four supporting cross frames (7) on the same plane.

2. The cargo rack of claim 1 wherein: two hidden folding edges (3) are arranged on any vertical frame (1), the two hidden folding edges (3) are perpendicular to each other, and avoidance inclined planes (71) are arranged at the positions, located on the supporting table (8), of the two ends of any supporting transverse frame (7) in the length direction.

3. The cargo rack of claim 2 wherein: the clamping convex blocks (9) at any end of the supporting transverse frame (7) are arranged in two, and the clamping convex blocks (9) are arranged up and down along the length direction of the vertical frame (1).

4. A cargo rack according to claim 3 wherein: support joint lug (9) on crossbearer (7) and set up the one side of keeping away from plywood (2) in support crossbearer (7), just joint lug (9) width direction's both sides all are provided with spacing limit (91), joint groove (31) from top to bottom include embedded groove (311) and card groove (312) in proper order, just the width of embedded groove (311) is greater than the width between two spacing limits (91) of joint lug (9), the width of card groove (312) is less than the width between two spacing limits (91) of joint lug (9).

5. The cargo rack of claim 4 wherein: the width of the clamping groove (312) is reduced from top to bottom.

6. The cargo rack of claim 5 wherein: the distance of the clamping convex block (9) protruding out of the hidden folding edge (3) is smaller than the distance from the hidden folding edge (3) to the outer surface of one side, far away from the laminated plate (2), of the vertical frame (1).

7. The cargo rack of claim 6 wherein: the edge of the laminate (2) is provided with right-angle supporting folded edges (21) along the same direction, and the right-angle supporting folded edges (21) are lapped on supporting tables (8) of four supporting cross frames (7) on the same plane.

8. The cargo rack of claim 7 wherein: the middle part of one side, close to the support table (8), of the layer plate (2) is fixedly provided with support ribs (22), and two ends of each support rib (22) are respectively connected with two right-angle support edges (11) opposite to the layer plate (2) in an abutting mode.

9. The cargo rack of claim 4 wherein: the vertical frame (1) comprises supporting edges (11) which are perpendicular to each other, the two hidden folding edges (3) are respectively arranged on one side, away from each other, of the two supporting edges (11), the two hidden folding edges (3) on the vertical frame (1) are located on one side close to the laminated plate (2), the two hidden folding edges (3) are perpendicular to each other, and any elastic gap (33) is formed between the hidden folding edges (3) and the corresponding supporting edges (11).

10. The cargo rack of claim 9 wherein: be provided with elasticity joint piece (10) on support crossbearer (7), elasticity joint piece (10) include elasticity portion (101), butt portion (102) in proper order and press splenium (103), butt portion (102) and embedded groove (311) of elasticity joint piece (10) form to inlay and set up and be the protruding setting of arc, just elasticity joint piece (10) are located butt portion (102) department and are formed with arc butt face (1021), be formed with between the rim of arc butt face (1021) and embedded groove (311) vertical direction upside and withdraw from clearance (1022), press splenium (103) to be located the one side that is close to plywood (2).