Height-adjustable shelf structure

Abstract

The utility model belongs to the technical field of intelligent selling cabinets, and discloses a height-adjustable shelf structure which comprises a group of oppositely arranged first stand columns and a group of oppositely arranged second stand columns which are fixed in a cabinet body, a plurality of groups of threaded holes are formed in the opposite sides of the first stand columns, and a plurality of groups of threaded holes are formed in the opposite sides of the second stand columns. The first stand column is detachably connected with at least one set of brackets through screws, vertical fixing plates are arranged at the front ends of the brackets, connecting through holes are formed in the vertical fixing plates, the screws penetrate through the connecting through holes to be detachably and fixedly connected with the threaded holes, supporting plates are arranged on the brackets in the length direction, and first protruding blocks are arranged at the rear ends of the brackets; a plurality of first supporting grooves are formed in the front side of the second stand column, the first supporting grooves of the second stand column are formed right behind the first protruding blocks, and the first protruding blocks can be inserted into the first supporting grooves and are in lap joint with the bottom walls of the first supporting grooves; a layer frame plate is arranged between each set of oppositely-arranged brackets in a lap joint mode, first limiting plates connected with the supporting plates in a lap joint mode are arranged on the two sides of each layer frame plate, and anti-disengaging protruding blocks are further arranged on the vertical fixing plates.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of intelligent cabinet, especially involves a height adjustable shelf structure. BACKGROUND

[0002] With the rapid development of intelligent detection and mobile payment technology, the intelligent cabinet industry is growing rapidly, and gradually applied to various industries, such as intelligent selling cabinet, intelligent tool cabinet and other intelligent cabinets. In the existing intelligent cabinet, most of the inside is provided with fixed shelf structure, and the shelf structure is mostly welded or screwed to the inner side wall of the cabinet body by the shelf plate. This structure has low cost, but because the layer plate is fixed, the layer height between the shelf plates cannot be adjusted according to the need of placing goods, so the convenience of placing goods is affected.

[0003] To solve this technical problem, the Chinese utility model patent with the authorization announcement number "CN219645304U" discloses a metal storage cabinet convenient for adjusting layer height, the cabinet body of the storage cabinet includes an upper frame, a lower frame, a top cover and a plurality of wall plates, the wall plates of the cabinet body are fixedly provided with at least three vertically extending installation strips, and the protruding wall surfaces of the three installation strips are one-to-one correspondingly provided with a plurality of vertically spaced insertion openings; the storage cabinet is further provided with at least one set of bearing assembly, each set of bearing assembly includes a plurality of brackets with the same number of installation strips, and the horizontal plane for placing the layer plate (shelf plate) is formed by inserting all the brackets of the same bearing assembly into the insertion openings of the installation strips at the same height. The storage cabinet adjusts the layer height between the layer plates (shelf plates) through the installation strips and the brackets fixed on the inner side wall of the cabinet body, but we find that during use, because the storage cabinet is mainly fixed by inserting the insertion plate part of the bracket into the insertion opening of the installation strip, this structure causes the shelf (shelf plate) to have limited bearing capacity, the connection between the shelf and the cabinet body is not firm, and the insertion plate part is easy to damage the rust-proof layer on the surface of the installation strip after long-term use, causing local rust, thus affecting the durability of the intelligent cabinet. UTILITY MODEL CONTENTS

[0004] The main purpose of the utility model is to provide a height adjustable shelf structure, which aims to solve the technical problems of limited bearing capacity of the shelf of the existing intelligent cabinet and the connection between the shelf and the cabinet body is not firm.

[0005] The utility model provides a height -adjustable shelf structure, including a group of first stand and a group of second stand of opposite setting fixed in the inside of cabinet body, the first stand sets up in the near cabinet door end of inside of cabinet body, and the opposite side of first stand is provided with a plurality of groups of screw holes, the first stand is detachably connected with at least a group of opposite setting bracket through screw, the front end of bracket is provided with vertical fixed plate, be provided with connecting through -hole on vertical fixed plate, the detachable fixed connection of screw passes through connecting through -hole and screw hole, the bracket is provided with the supporting plate along the length direction, the supporting plate is perpendicular to vertical fixed plate, the rear end of bracket is provided with first lug, the second stand sets up in the far cabinet door end of inside of cabinet body, and the front side of second stand is provided with a plurality of first bracket slot, the first bracket slot of second stand sets up in the back of first lug, and first lug can insert first bracket slot and with the bottom wall of first bracket slot lap joint, the lap joint of every group of opposite setting bracket sets up a shelf board, the both sides of shelf board are provided with first limit board, first limit board lap joint with supporting plate, vertical fixed plate still is provided with anti -drop lug on.

[0006] Optionally, the opposite side of the first stand is also provided with a second bracket slot matched with the first bracket slot, the supporting plate extends downward and forms a rotary structure, the rotary structure forms a second lug protruding from the vertical fixed plate directly below the vertical fixed plate, and the second lug can be inserted into the second bracket slot and lap joint with the bottom wall of the second bracket slot.

[0007] Optionally, the rotary structure formed by the downward extension of the supporting plate includes a vertical wall, the front end of the vertical wall is connected with a first guide wheel through a shaft pin, the rear end of the first limit board of the shelf board is connected with a second guide wheel through a shaft pin directly below, the second guide wheel is rollingly connected with the supporting plate, and the first guide wheel is rollingly connected with the bottom wall of the shelf board.

[0008] Optionally, the bracket is also provided with a second limit board, and the second limit board is arranged directly above the supporting plate.

[0009] Optionally, the anti-drop lug is hingedly connected with the vertical fixed plate through a shaft pin, the middle part of the anti-drop lug is provided with a shaft pin hole, and the shaft pin hole of the anti-drop lug is hingedly connected directly in front of the supporting plate.

[0010] Optionally, the front end of the second limit board is provided with an inclined baffle, the anti-drop lug is an r-shaped structure, the r-shaped structure includes a poking block, a blocking block and a lifting block, the poking block and the blocking block are located in the same vertical plane, the lifting block is located on the side surface of the blocking block, and a lifting cambered surface is arranged at the connection between the lifting block and the blocking block.

[0011] Optionally, the outer side wall of the second stand is in the same vertical plane as the outer side wall of the first stand.

[0012] Optionally, the rear end of the supporting plate is provided with a transverse protrusion, which can be inserted into the first supporting groove and connected with the bottom wall of the first supporting groove.

[0013] The beneficial effects of the present application are as follows:

[0014] The height-adjustable shelf structure of the present application can realize stable and high-strength support of the bracket through the supporting force of the first bracket protrusion on the first supporting groove and the support force of the vertical fixed plate on the first column. When the number of shelf plates in the cabinet needs to be increased or the height between the shelf plates needs to be adjusted, the bracket can be removed, reinstalled and fixed, and the bracket is firmly connected with the first column and the second column, has stronger bearing capacity and can conveniently adjust the height between the shelf plates, thus solving the problems in the prior art.

[0015] In addition, the height-adjustable shelf structure of the present application can realize the pull-out function of the shelf plate through the first guide wheel supporting the front end of the shelf plate and the second guide wheel supporting the rear end of the shelf plate, which can facilitate users to take and place objects and is more convenient to use. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the description of the embodiments or the prior art will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor on the basis of the drawings shown.

[0017] Fig. 1 FIG. 1 is a schematic diagram of the installation state of the height-adjustable shelf structure of the present application;

[0018] Fig. 2 FIG. 1 is a schematic diagram of the installation state of the height-adjustable shelf structure of the present application;

[0019] Fig. 3 FIG. 1 is a schematic diagram of the installation state of the height-adjustable shelf structure of the present application;

[0020] Fig. 4 FIG. 1 is a schematic diagram of the installation state of the height-adjustable shelf structure of the present application;

[0021] Explanation of reference numerals:

[0022] 01 first stand, 011 threaded hole, 012 screw, 013 second bracket, 02 second stand, 021 first bracket, 03 bracket, 031 vertical fixing plate, 032 connecting through hole, 033 supporting plate, 034 first protruding block, 035 second protruding block, 036 vertical wall, 037 first guide wheel, 038 second limiting plate, 039 oblique baffle, 040 transverse protruding block, 05 shelf plate, 051 first limiting plate, 052 second guide wheel, 06 anti-dropping protruding block, 061 shaft pin hole, 062 pushing block, 063 resisting block, 064 lifting block, 065 lifting camber, S cabinet body.

[0023] The implementation, functional features and advantages of the utility model will be further described with reference to the embodiments and the accompanying drawings. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0025] It should be noted that if the embodiments of the utility model involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement condition, etc. between the components in a certain posture, and if the certain posture changes, the directional indications also change accordingly.

[0026] In addition, if the embodiments of the utility model involve descriptions of "first", "second", etc., the descriptions of "first", "second", etc. are only for description purposes, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features with "first" and "second" can explicitly or implicitly include at least one of the features. In addition, "and / or" or "and / or" appearing throughout the text means that the three parallel schemes are included, taking "A and / or B" as an example, including A scheme, or B scheme, or A and B scheme. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of the ordinary skill in the art, and when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the utility model.

[0027] Please refer to Figs. 1 to 4The utility model embodiment proposes a height -adjustable layer frame structure (be called this layer frame structure below), its characterized in be in fixed in the inside of cabinet S a set of first vertical column 01 and a set of second vertical column 02 that are set to each other, first vertical column 01 sets up in the near cabinet door end in the inside of cabinet S, and first vertical column can be welded fixed connection or screw fixed connection with cabinet. The opposite side of first vertical column 01 is provided with several groups of thread hole 011, first vertical column 01 is detachably connected with at least a set of bracket 03 through screw 012 that is set to each other, the front end of bracket 03 is provided with vertical fixed plate 031, be provided with connecting through -hole 032 on vertical fixed plate 031, screw 012 passes through connecting through -hole 032 and is detachably fixed with thread hole 011, bracket 03 is provided with support plate 033 along the length direction, support plate 033 is perpendicular to vertical fixed plate 031, the rear end of bracket 03 is provided with first lug 034. Second vertical column 02 sets up in the far cabinet door end in the inside of cabinet S, and second vertical column can be welded fixed connection also can be screw fixed connection with cabinet. The front side of second vertical column 02 is provided with several first bracket slot 021, the first bracket slot 021 of second vertical column 02 sets up in the immediate back of first lug 034, and first lug 034 can be inserted first bracket slot 021 and with the bottom wall of first bracket slot 021 lap joint connection, every set of bracket 03 that sets to each other is lap joint and is set up one layer frame plate 05 between, the both sides of layer frame plate 05 are provided with first limit plate 051, first limit plate 051 is lap joint and is connected with support plate 033, vertical fixed plate 031 still is provided with anti -drop lug 06, and anti -drop lug sets up in the immediate front of support plate, can prevent layer frame plate from dropping off from support plate.

[0028] During the installation process, a group of first vertical columns is first fixed at the cabinet door end inside the cabinet body, that is, two first vertical columns are respectively arranged at the left and right sides of the cabinet door end, and the threaded holes of the first vertical columns are oppositely arranged, and then a group of brackets is fixed to the inner side (one side of the threaded hole) of the first vertical column through screws. The first protrusion of the bracket is inserted into the first bracket groove of the second vertical column to position the second vertical column, so as to ensure that the first bracket groove of the second vertical column is arranged directly behind the first protrusion, and the second vertical column is fixedly connected with the cabinet body. The layer shelf plate is placed on the bracket plate, and the bracket plates oppositely arranged on the two brackets jointly support the first limiting plate of the layer shelf plate and provide support for the layer shelf plate. The anti-falling protrusion in front of the bracket plate can prevent the layer shelf plate from falling off the bracket plate during use. The bracket is stably and highly supported by the bracketing force of the first protrusion of the bracket through the first bracket groove and the supporting force of the vertical fixed plate through the screw of the first vertical column. At the same time, when the number of layer shelf plates in the cabinet body needs to be increased or the height between the layer shelf plates needs to be adjusted, the layer shelf plate only needs to be removed and the bracket needs to be reinstalled and fixed. The bracket of the present layer shelf structure is firmly connected with the first vertical column and the second vertical column, has stronger bearing capacity, and can also conveniently adjust the height between the layer shelf plates, so as to solve the problems existing in the prior art.

[0029] Specific application scenarios are as follows: in some small snack intelligent vending cabinets, the height of the layer shelf plate can be easily adjusted by the stocking personnel to adapt to snack packages of different sizes; larger potato chip bags can be placed at positions with larger layer shelf plate spacing, while smaller candy boxes can be placed at positions with smaller layer shelf plate spacing, and the layer shelf plate can also be easily and conveniently increased. For example: in an intelligent vending cabinet for selling cosmetics, the most popular or most attractive cosmetics are placed at positions with larger layer shelf plate spacing and visual center, different brands and different series of cosmetics are displayed in layers by adjusting the layer shelf plate, so that the whole display is more beautiful and orderly, attracts the attention of customers, and improves the visibility and attractiveness of the goods. When restocking, the staff can quickly adjust the layer shelf plate according to the remaining amount of goods and the type of goods to be restocked. For example: in an intelligent vending cabinet for selling fresh food, the layer shelf plate can be adjusted in the morning to a spacing suitable for placing a large amount of fresh vegetables, and can be adjusted in the evening to a spacing suitable for placing a small amount of remaining vegetables and meat to be placed on the shelf, so as to facilitate the restocking and arrangement work of the staff and improve the work efficiency.

[0030] To facilitate the adjustment of the height of the shelf plate, the opposite side of the first column 01 is provided with a second groove 013 matched with the first groove 021, and the support plate 033 extends downward and forms a rotary structure, which forms a second protrusion 035 protruding from the vertical fixing plate 031 below the vertical fixing plate 031, and the second protrusion 035 can be inserted into the second groove 013 and connected with the bottom wall of the second groove 013. When installing the bracket, the first protrusion can be inserted into the first groove, and the second protrusion can be inserted into the second groove corresponding to the first groove. Through the support of the bottom wall of the first groove on the first protrusion and the support of the bottom wall of the second groove on the second protrusion, the bracket can be preliminarily fixed, and then the vertical fixing plate can be fixed by screws to completely fix the bracket. This structure can realize faster disassembly and assembly of the bracket, and can also provide further support for the bracket through the second groove, further improving the bearing capacity of the bracket.

[0031] To facilitate the installation and positioning of the first column and the second column, in an embodiment, the outer side wall of the second column 02 is in the same vertical plane as the outer side wall of the first column 01, and the width of the second column is greater than that of the first column. It is ensured that the first groove of the second column is arranged behind the first protrusion. When installing, the outer side walls of the first column and the second column can be directly attached to the same inner side wall of the cabinet, eliminating the alignment process.

[0032] In addition, the rear end of the support plate 033 is provided with a transverse protrusion 040, which can be inserted into the first groove 021 and connected with the bottom wall of the first groove 021. The transverse protrusion can be integrally connected with the first protrusion, and the larger contact surface of the transverse protrusion can realize stronger support of the bracket by the first groove.

[0033] In an embodiment, the rotary structure formed by the downward extension of the support plate 033 includes a vertical wall 036, the front end of the vertical wall is connected with a first guide wheel 037 through a shaft pin, and the rear end of a first limiting plate 051 of the shelf plate 05 is connected with a second guide wheel 052 through a shaft pin, the second guide wheel 052 is in rolling connection with the support plate 033, and the first guide wheel 037 is in rolling connection with the bottom wall 053 of the shelf plate 05. The first guide wheel supports the shelf plate at the front end, and the second guide wheel supports the shelf plate at the rear end, and realizes the pull-out function of the shelf plate. This structure can facilitate the user to take and place the goods, and is more convenient to use.

[0034] To prevent the shelf plate from overturning during pulling, a second limiting plate 038 is arranged on the bracket 03, and the second limiting plate 038 is arranged above the support plate 033. During use, the second limiting plate is located above the first limiting plate of the shelf plate, thereby limiting the first limiting plate and preventing the shelf plate from overturning during pulling.

[0035] To facilitate the taking and placing of the shelf plate during the adjustment of the shelf plate, the anti-falling bump 06 is hingedly connected with the vertical fixed plate 031 through a shaft pin, the middle part of the anti-falling bump 06 is provided with a shaft pin hole 061, and the shaft pin hole 061 of the anti-falling bump 06 is hingedly connected in front of the supporting plate. The front end of the second limiting plate 038 is provided with an inclined baffle 039, the anti-falling bump 06 is in the shape of r, the r-shaped structure comprises a pushing block 062, a blocking block 063 and a lifting block 064, the pushing block 062 and the blocking block 063 are located in the same vertical plane, the lifting block 064 is located on the side of the blocking block 063, and the connecting part of the lifting block 064 and the blocking block 063 is provided with a lifting camber 065. When the shelf plate needs to be completely pulled out, the pushing block is pulled to make the blocking block and the pushing block rotate around the shaft pin to the horizontal direction, the blocking block no longer blocks the second guide wheel, the shelf plate is conveniently completely pulled out, and the spacing of the shelf plate is adjusted. After the spacing adjustment of the shelf plate is completed, the pushing block is pressed in the reverse direction to make the blocking block and the pushing block rotate around the shaft pin to the vertical direction, when the shelf plate is pulled out and the second guide wheel touches the lifting block during the normal use of the shelf plate, the second guide wheel is lifted by the lifting camber, and at this time, the first limiting plate touches the inclined baffle of the second limiting plate, the second guide wheel touches the blocking block, and the anti-falling effect of the shelf plate is realized. To further ensure the anti-falling effect of the anti-falling bump, the shaft pin can be a fastening screw, the fastening screw is loosened when the anti-falling bump needs to be rotated, the anti-falling bump can be hingedly connected, and the fastening screw can be tightened when the anti-falling bump needs to be fixed.

[0036] The above is only optional embodiments of the utility model, and does not limit the patent range of the utility model, and any equivalent structural transformation made by using the utility model specification and the drawings contents, or direct / indirect application in other related technical fields under the utility model concept of the utility model is included in the patent protection range of the utility model.

Claims

1. An adjustable height shelving structure, characterized by, The utility model provides a cabinet, including fixed in the inside of a cabinet a group of opposite first column and a group of opposite second column, first column is arranged in the inside of cabinet near the cabinet door end, and the opposite side of first column is provided with a plurality of groups of threaded hole, and first column is detachably connected with at least a group of opposite bracket through screw, the front end of bracket is provided with vertical fixed plate, and the vertical fixed plate is provided with connecting through -hole, and the screw passes through connecting through -hole and is detachably fixed with threaded hole, and the length direction of bracket is provided with support plate, and support plate is perpendicular to vertical fixed plate, and the rear end of bracket is provided with first lug, second column is arranged in the inside of cabinet far from the cabinet door end, and the front side of second column is provided with a plurality of first groove, and the first groove of second column is arranged in the back of first lug, and first lug can be inserted into first groove and is overlapped with the bottom wall of first groove and is connected, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and the two sides of every group of opposite bracket are overlapped with one layer board, and 2. The height adjustable shelving structure of claim 1, wherein, ​ 3. The height adjustable shelving structure of claim 2, wherein, ​ 4. The height adjustable shelving structure of claim 3, wherein, ​ 5. The height adjustable shelving structure of claim 4, wherein, ​ 6. The height adjustable shelving structure of claim 5, wherein, ​ 7. The height adjustable shelving structure of claim 1, wherein, ​ 8. The height adjustable shelving structure of claim 1, wherein, ​

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