Expandable storage rack and assembly method thereof

Abstract

The present invention discloses an expandable storage rack and an assembly method thereof, wherein the storage rack is formed by inserting and splicing a plurality of storage units A and connecting plates, or by stacking and inserting and splicing storage units A and storage units B, wherein the storage units A and storage units B are both rectangular lattice units formed by alternately mortise and tenon splicing of horizontal plates and vertical plates end to end. The storage rack has a simple structure and an ingenious design, wherein the horizontal plates and vertical plates, the storage units A and the connecting plates, and the storage units A and the storage units B are all inserted and spliced ​​by mortise and tenon joints, thereby ensuring the convenience and efficiency of assembling or disassembling the storage rack, and the storage rack can flexibly adjust the number, shape and size of the storage units for assembly according to the placement space, so that the storage rack has a high instant use flexibility, and the storage rack has good stability and strong economical practicality; the assembly method has simple operation steps and high implementation feasibility, thereby ensuring the smooth insertion and splicing application of the storage rack.

Description

Technical Field

[0001] The present invention relates to the technical field of storage racks, and in particular to an expandable storage rack and an assembling method thereof. Background Art

[0002] In interior decoration, multiple sets of racks are usually used. Racks can stack more items due to their multi-layer structure. They can generally be used to store books, decorations or other items, etc., effectively improving the utilization rate of indoor space and thus improving the living environment. There are many kinds of racks on the market. Most of them are made of various plate parts fixedly connected, such as using screws or mortise and tenon structures. Therefore, the overall size of the rack is fixed and single. If the size of the commercially available rack is not suitable, it needs to be customized according to the placement space, and the customization cycle of the rack is generally long, which seriously affects the user's immediate usability of the rack. Based on this situation, the present invention aims to develop a detachable and expandable rack and its assembly method to solve the above technical problems. Summary of the invention

[0003] The purpose of the present invention is to overcome the defects existing in the prior art and provide an expandable storage rack and an assembly method thereof. The storage rack has a simple structure and a clever design. The horizontal plate and the vertical plate, the storage unit A and the connecting plate, and the storage unit A and the storage unit B are all spliced ​​and assembled by mortise and tenon joints, thereby ensuring the convenience and efficiency of assembling or disassembling the storage rack. The storage rack can flexibly adjust the number, shape and size of the storage units for assembly according to the placement space, so that the storage rack has high instant use flexibility, and the storage rack has good stability and strong economic and practicality. The assembly method thereof has simple operating steps and high implementation feasibility, thereby ensuring the smooth plug-in and splicing application of the storage rack.

[0004] To achieve the above-mentioned purpose, the technical solution of the present invention is to design an expandable storage rack, including a plurality of storage units A and a connecting plate, wherein the storage unit A is a rectangular lattice unit formed by alternately joining a plurality of horizontal plates and a plurality of vertical plates end to end with mortise and tenon joints; the left and right ends of the upper end surface and the left and right ends of the lower end surface of the storage unit A are respectively provided with horizontal card grooves along the width direction of the horizontal plate, and the two ends of the connecting plate are respectively provided with plug-in plates adapted to the horizontal card grooves, and the horizontal card grooves and the plug-in plates form a vertical plug-in structure; the upper and lower ends of the outer side of the left end surface and the upper and lower ends of the outer side of the right end surface of the storage unit A are respectively provided with support blocks, and the two ends of the connecting plate are also divided into A lap groove matched with the support block is respectively provided, and the support block and the lap groove form a transverse plug-in structure; a plurality of the storage units A are stacked in an interlaced manner in a two-dimensional space of a vertical plane and spliced ​​into the storage rack through a connecting plate, wherein the outer sides of two storage units A adjacent to each other in the longitudinal interval at the edge of the storage rack are plug-in connected with the two ends of the connecting plate through the vertical plug-in structure, the outer sides of two storage units A adjacent to each other in the transverse interval at the edge of the storage rack are plug-in connected with the two ends of the connecting plate through the transverse plug-in structure, and the adjacent storage units A located on the inner side of the storage rack are plug-in connected with each other through the horizontal card slot.

[0005] The present invention discloses an expandable storage rack with a simple structure and ingenious design, wherein the horizontal plate and the vertical plate, the storage unit A and the connecting plate, and the storage unit A and the storage unit B are all spliced ​​and connected by mortise and tenon joints, thereby ensuring the convenience and efficiency of assembling or disassembling the storage rack, and the storage rack can flexibly adjust the number, shape and size of the storage units for assembly according to the placement space, so that the storage rack has high instant use flexibility, and the storage rack has good stability and strong economic and practicality.

[0006] In order to ensure the feasibility of the storage rack, the preferred technical solution is that the left and right ends of the horizontal plate are respectively provided with a first right-angle step groove, the first right-angle step groove includes a vertical end face and a first horizontal platform, the two side faces of the upper and lower ends of the vertical plate are respectively provided with a horizontal slot, the upper and lower ends of the vertical plate are respectively provided with a second right-angle step groove, the second right-angle step groove includes a second horizontal platform and a vertical plug-in plate, and the first horizontal platform matches the horizontal slot; the second horizontal platforms at the two ends of the two vertical plates on the storage unit A are both corresponding to the inner side of the storage unit A, the second right-angle step groove of the vertical plate on the storage unit A and the vertical end face of the horizontal plate constitute the horizontal slot, and the vertical plug-in plate and the horizontal slot form the vertical plug-in structure. The mortise and tenon structure at both ends of the horizontal plate and the vertical plate is simple, which ensures the convenience and efficiency when the horizontal plate and the vertical plate are plugged and spliced ​​into the storage unit A or when the storage unit A is disassembled, and ensures the stability of the storage unit A.

[0007] In order to further improve the splicing flexibility of the storage rack, a further preferred technical solution is that an L-shaped clamping plate is integrally formed on the outer side of one end of the first horizontal platform of the horizontal plate, and the L-shaped clamping plate and the end face of the first horizontal platform form a horizontal clamping slot facing the other end of the first horizontal platform, and the upper and lower end faces of the L-shaped clamping plate are flush with the upper and lower end faces of the first horizontal platform; the front and rear sides of the two end portions of the vertical plate are respectively provided with notches that pass through the horizontal slot, and the notches match the horizontal clamping slot; the width of the vertical plate is twice the width of the horizontal plate, and the two vertical plates and the four The horizontal boards are alternately inserted and spliced ​​head to tail to form the storage unit A, wherein two of the horizontal boards are inserted into the horizontal slots at the upper and lower ends of the two vertical boards from the front side, and the other two of the horizontal boards are inserted into the horizontal slots at the upper and lower ends of the two vertical boards from the back side, respectively. The horizontal snap-in on the horizontal board is snapped into the notch on the vertical board, and the L-shaped snap-in plate extends to the part of the outer side of the vertical board on the storage unit A to form the support block; the connecting board has the same shape as the vertical board, and the second right-angle step groove at the end of the connecting board and the support block on the storage unit A form the horizontal insertion structure. When the horizontal board and the vertical board are inserted and spliced ​​into the storage unit A, the end of the horizontal board is snapped into the notch at the end of the two vertical boards through the L-shaped snap-in plate, thereby ensuring the snap-in firmness of the two ends of the horizontal board and the two ends of the vertical board, that is, ensuring the firmness and stability of the storage rack; the connecting board has the same shape as the vertical board, and under certain circumstances, the vertical board can be directly used as a connecting board, thereby ensuring the universality of the vertical board.

[0008] In order to ensure the firmness of the rack, a further preferred technical solution is that the distance between the bottom walls of the horizontal slots corresponding to the two ends of the same side of the two vertical plates on the storage unit A is equal to the distance between the two vertical end faces at both ends of the horizontal plate. The vertical plates of this structural size can be directly used as connecting plates, which improves the universal applicability of the vertical plates, so that the rack only includes two types of plates, the horizontal plate and the vertical plate, and ensures the efficiency of the insertion and splicing of the rack.

[0009] In order to facilitate the smooth assembly and application of the above-mentioned expandable storage rack, a method for assembling the expandable storage rack is proposed. Assembling the above-mentioned storage rack includes the following steps:

[0010] S: Assemble storage unit A, assemble several horizontal boards and vertical boards into storage unit A;

[0011] S: Assemble the storage rack, and assemble and splice several storage units A and connecting plates to form a storage rack extending to the vertical plane two-dimensional space.

[0012] The preferred technical solution is that the specific operation of step S is to insert the two horizontal plates into the horizontal slots at the upper and lower ends of the two vertical plates from the front side; insert the other two horizontal plates into the horizontal slots at the upper and lower ends of the two vertical plates from the back side to form a storage unit A, wherein the horizontal bayonet on the horizontal plate is snapped into the notch on the vertical plate;

[0013] The specific operation of step S is to place a plurality of bottom-layer storage units A in a straight line on a horizontal ground, and the vertical plates on each storage unit A are aligned in parallel, and the lower ends of two storage units A adjacent to each other in a transverse interval are respectively plugged and connected with the connecting plate through a transverse plug-in structure, and the second right-angle step grooves at both ends of the connecting plate are respectively overlapped on the supporting blocks at the lower ends of the adjacent vertical plates of the two storage units A adjacent to each other in a transverse interval; a plurality of second-layer storage units A are placed in a straight line on the top of the bottom-layer storage units A, and each storage unit A of the second layer is respectively located one by one at the top of the gap between the two adjacent storage units A in the bottom layer, and the vertical plug-in plates at the bottom of the two vertical plates on each storage unit A of the second layer are respectively plugged into the adjacent vertical plates at the top of the two adjacent storage units A in the transverse interval of the bottom layer. The vertical plug-in plates on the top of the two vertical plates on each storage unit A in the bottom layer are respectively inserted into the adjacent horizontal slots at the lower ends of the two adjacent storage units A in the second layer; similarly, several layers of storage units A are set up, and the upper ends of the two storage units A in the top layer with adjacent horizontal intervals are respectively plug-connected with the connecting plate through the horizontal plug-in structure, and the second right-angle step grooves at both ends of the connecting plate are respectively overlapped on the support blocks at the upper ends of the outer sides of the two vertical plates of the two adjacent storage units A in the horizontal interval; the outer sides of the two adjacent storage units A in the longitudinal interval located at the edge of the shelf are plug-connected with the two ends of the connecting plate through the vertical plug-in structure, and the vertical plug-in plates at both ends of the connecting plate are respectively inserted into the two adjacent horizontal slots on the outer sides of the two adjacent storage units A in the longitudinal interval.

[0014] To achieve the above-mentioned invention purpose, the technical solution of the present invention also includes an expandable storage rack, including a plurality of storage units A and a plurality of storage units B, wherein the storage units A and the storage units B are rectangular lattice units formed by a plurality of horizontal boards and a plurality of vertical boards alternately joined end to end by mortise and tenon joints; the left and right ends of the upper end face of the storage unit A and the left and right ends of the lower end face are respectively provided with horizontal card slots along the width direction of the horizontal board, the left and right ends of the upper end face of the storage unit B and the left and right ends of the lower end face are respectively provided with plug-in plates adapted to the horizontal card slots, and the horizontal card slots and the plug-in plates form a vertical plug-in structure; a plurality of the storage units A and the storage units B are alternately plug-in and spliced ​​into the storage rack through the vertical plug-in structure in a one-dimensional space in the vertical direction. The storage units A and the storage units B can be alternately stacked and mortise and tenoned in a one-dimensional space in the vertical direction to form a vertical storage rack, which expands the types and application scenarios of the storage rack that can be spliced.

[0015] Preferably, the left and right ends of the horizontal plate are respectively provided with a first right-angle step groove, the first right-angle step groove includes a vertical end face and a first horizontal platform, the two side faces of the upper and lower ends of the vertical plate are respectively provided with horizontal slots, the upper and lower ends of the vertical plate are respectively provided with a second right-angle step groove, the second right-angle step groove includes a second horizontal platform and a vertical plug-in plate, and the first horizontal platform matches the horizontal slot; the second horizontal platforms at the two ends of the two vertical plates on the storage unit A are both corresponding to the inner side of the storage unit A, and the second right-angle step grooves of the vertical plates on the storage unit A and the vertical end face of the horizontal plate constitute the horizontal slot; the second horizontal platforms at the two ends of the two vertical plates on the storage unit B are both corresponding to the outer side of the storage unit B, and the vertical plug-in plates at the ends of the vertical plates on the storage unit B and the horizontal slots on the storage unit A form the vertical plug-in structure. The vertical insertion structure design between the storage unit A and the storage unit B is simple and reasonable. On the one hand, it ensures the convenience and efficiency of the storage unit A and the storage unit B when they are spliced ​​into a storage rack by mortise and tenon joints. On the other hand, it ensures the stability of the storage rack spliced ​​by the mortise and tenon joints of the storage unit A and the storage unit B.

[0016] Further preferably, on the storage unit A, the distance between the bottom walls of the horizontal slots corresponding to the two ends of the same side of the two vertical plates is equal to the distance between the two vertical end faces at both ends of the horizontal plate. The vertical plates of this structural size can be directly used as connecting plates, which improves the universal applicability of the vertical plates, so that the storage rack only includes two types of plates, the horizontal plate and the vertical plate, and ensures the efficiency of the insertion and splicing of the storage rack.

[0017] In order to facilitate the smooth assembly and application of the above-mentioned expandable storage rack, a method for assembling the expandable storage rack is now proposed. Assembling the above-mentioned storage rack includes the following steps:

[0018] S: Assemble storage unit A and storage unit B, assemble several horizontal boards and vertical boards into storage unit A and storage unit B;

[0019] S: Assemble the storage rack, alternately insert and stack several storage units A and storage units B in a one-dimensional space in the vertical direction, wherein the vertical plug-in plates at the upper and / or lower ends of the two vertical plates on the storage unit B are correspondingly inserted into the two horizontal card slots at the lower and / or upper ends of the adjacent storage unit A.

[0020] The advantages and beneficial effects of the present invention are:

[0021] 1. The present invention discloses an expandable storage rack with a simple structure and ingenious design. The horizontal plate and the vertical plate, the storage unit A and the connecting plate, and the storage unit A and the storage unit B are all spliced ​​and connected by mortise and tenon joints, thereby ensuring the convenience and efficiency of assembling or disassembling the storage rack. The storage rack can flexibly adjust the number, shape and size of the storage units for assembly according to the placement space, so that the storage rack has high instant use flexibility, good stability, and strong economic and practicality. The assembly method has simple operation steps and high implementation feasibility, thereby ensuring the smooth plug-in and splicing application of the storage rack.

[0022] 2. The left and right ends of the horizontal plate are respectively provided with a first right-angle step groove, the first right-angle step groove includes a vertical end face and a first horizontal platform, the two side faces of the upper and lower ends of the vertical plate are respectively provided with a horizontal slot, the upper and lower ends of the vertical plate are respectively provided with a second right-angle step groove, the second right-angle step groove includes a second horizontal platform and a vertical plug-in plate, and the first horizontal platform matches the horizontal slot; the second horizontal platforms at the two ends of the two vertical plates on the storage unit A are both corresponding to the inner side of the storage unit A, the second right-angle step groove of the vertical plate on the storage unit A and the vertical end face of the horizontal plate constitute the horizontal slot, and the vertical plug-in plate and the horizontal slot form the vertical plug-in structure. The mortise and tenon structure at both ends of the horizontal plate and the vertical plate is simple, which ensures the convenience and efficiency when the horizontal plate and the vertical plate are plugged and spliced ​​into the storage unit A or when the storage unit A is disassembled, and ensures the stability of the storage unit A.

[0023] 3. An L-shaped clamping plate is integrally formed on the outer side of one end of the first horizontal platform on the horizontal plate, and the L-shaped clamping plate and the end surface of the first horizontal platform form a horizontal clamping slot facing the other end of the first horizontal platform, and the upper and lower end surfaces of the L-shaped clamping plate are flush with the upper and lower end surfaces of the first horizontal platform; the front and rear sides of the two ends of the vertical plate are respectively provided with notches that penetrate the horizontal slot, and the notches match the horizontal clamping slot; the width of the vertical plate is twice the width of the horizontal plate, and the two vertical plates and the four horizontal plates are alternately inserted and spliced ​​head to tail to form the The storage unit A, wherein the two horizontal plates are respectively inserted into the horizontal slots at the upper and lower ends of the two vertical plates from the front side, and the other two horizontal plates are respectively inserted into the horizontal slots at the upper and lower ends of the two vertical plates from the back side, the horizontal snap-in on the horizontal plate is snap-fitted into the notch on the vertical plate, and the L-shaped snap-in plate extends to the part of the outer side of the vertical plate on the storage unit A to form the support block; the connecting plate is the same shape as the vertical plate, and the second right-angle step groove at the end of the connecting plate and the support block on the storage unit A form the horizontal insertion structure. When the horizontal plate and the vertical plate are inserted and spliced ​​into the storage unit A, the end of the horizontal plate is snap-fitted into the notch at the end of the two vertical plates through the L-shaped snap-in plate, thereby ensuring the snap-fitting firmness of the two ends of the horizontal plate and the two ends of the vertical plate, that is, ensuring the firmness and stability of the storage rack; the connecting plate is the same shape as the vertical plate, and under certain circumstances, the vertical plate can be directly used as a connecting plate, thereby ensuring the universality of the vertical plate.

[0024] 4. On the storage unit A, the distance between the bottom walls of the horizontal slots corresponding to the two ends of the same side of the two vertical plates is equal to the distance between the two vertical end faces at both ends of the horizontal plate. The vertical plates of this structural size can be directly used as connecting plates, which improves the universal applicability of the vertical plates, so that the storage rack only includes two types of plates, the horizontal plate and the vertical plate, and ensures the efficiency of the insertion and splicing of the storage rack.

[0025] 5. Among them, the storage unit A and the storage unit B can be alternately stacked and assembled into a vertical storage rack by mortise and tenon joints in a one-dimensional space in the vertical direction, which expands the types and application scenarios of the storage rack.

[0026] 6. The left and right ends of the horizontal plate are respectively provided with a first right-angle step groove, the first right-angle step groove includes a vertical end face and a first horizontal platform, the two side faces of the upper and lower ends of the vertical plate are respectively provided with horizontal slots, the upper and lower ends of the vertical plate are respectively provided with a second right-angle step groove, the second right-angle step groove includes a second horizontal platform and a vertical plug-in plate, and the first horizontal platform matches the horizontal slot; the second horizontal platforms at the two ends of the two vertical plates on the storage unit A are both corresponding to the inner side of the storage unit A, and the second right-angle step grooves of the vertical plates on the storage unit A and the vertical end face of the horizontal plate constitute the horizontal slot; the second horizontal platforms at the two ends of the two vertical plates on the storage unit B are both corresponding to the outer side of the storage unit B, and the vertical plug-in plate at the end of the vertical plate on the storage unit B and the horizontal slot on the storage unit A form the vertical plug-in structure. The vertical insertion structure design between the storage unit A and the storage unit B is simple and reasonable. On the one hand, it ensures the convenience and efficiency of the storage unit A and the storage unit B when they are spliced ​​into a storage rack by mortise and tenon joints. On the other hand, it ensures the stability of the storage rack spliced ​​by the mortise and tenon joints of the storage unit A and the storage unit B.

[0027] 7. The assembly method of the expandable storage rack proposed by the present invention has simple operation steps and high implementation feasibility, thereby ensuring the smooth insertion and splicing application of the storage rack. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 is a schematic diagram of the structure of the storage unit A in Example 1;

[0029] Figure 2 is a schematic diagram of the disassembled structure of the storage unit A in Example 1;

[0030] Figure 3 This is a flow chart of the steps of inserting and splicing the storage unit A in Example 1;

[0031] Figure 4 This is the step of inserting and splicing the storage rack in Example 1;

[0032] Figure 5 is a diagram of the insertion and splicing relationship of two storage units A in the storage rack in Example 1;

[0033] Figure 6 is a three-dimensional diagram of the storage rack in Example 2;

[0034] Figure 7 This is a front view of the storage rack in the second embodiment in the use state;

[0035] Figure 8 is a three-dimensional structural diagram of the storage rack in the second embodiment in the use state;

[0036] Fig. 9is a three-dimensional structural diagram of the storage rack in Example 3;

[0037] Fig.10 This is a front view of the storage rack in the third embodiment in the use state;

[0038] Fig.11 is a front view of the storage unit B in Example 4;

[0039] Fig.12 is a three-dimensional structural diagram of the storage unit B in Example 4;

[0040] Fig.13 This is a front view of the storage rack in the fourth embodiment in the use state;

[0041] Fig.14 It is a three-dimensional structural diagram of the storage rack in the fourth embodiment when it is in use.

[0042] In the figure: 1, horizontal board; 2, vertical board; 1-1, vertical end face; 1-2, first horizontal platform; 1-3, L-shaped card plate; 1-4, horizontal card slot; 2-1, horizontal slot; 2-2, notch; 2-3, vertical plug board; 2-4, second horizontal platform; 3, horizontal card slot; 4, connecting plate; 5, storage unit A; 6, storage unit B; 7, books. DETAILED DESCRIPTION

[0043] The specific implementation of the present invention is further described below in conjunction with the accompanying drawings and embodiments. The following embodiments are only used to more clearly illustrate the technical solution of the present invention, and cannot be used to limit the protection scope of the present invention.

[0044] Example 1

[0045] like Figure 1 , Figure 2 , Figure 3 D and Figure 4As shown in Figure b, the present invention is an expandable storage rack. The storage rack has a structure similar to the Chinese character "pin" and includes three storage units A5 and a connecting plate 4. The storage unit A5 is a rectangular grid unit formed by mortise and tenon splicing of four horizontal plates 1 and two vertical plates 2 in sequence at the head and tail. At the left and right ends of the upper end face and the left and right ends of the lower end face of the storage unit A5, horizontal card slots 3 are respectively provided along the width direction of the horizontal plate 1. At the two ends of the connecting plate 4, insertion plates adapted to the horizontal card slots 3 are respectively provided. The horizontal card slots 3 and the insertion plates form a vertical insertion structure. At the upper and lower ends of the outer side of the left end face of the storage unit A5 and the upper and lower ends of the outer side of the right end face, support blocks are respectively provided. At the two ends of the connecting plate 4, lapping slots adapted to the support blocks are respectively provided. The support blocks and the lapping slots form a horizontal insertion structure. The four storage units A5 are stacked at intervals and staggered in a two-dimensional space in the vertical plane and are spliced into the storage rack by inserting and connecting with the connecting plate 4. Among them, the outer sides of two horizontally adjacent storage units A5 located at the edge position of the storage rack are inserted and connected with the two ends of the connecting plate 4 through the horizontal insertion structure.

[0046] Preferably, as Figures 1-2 shown, at the left and right ends of the horizontal plate 1, first right-angle step slots are respectively provided. The first right-angle step slot includes a vertical end face 1-1 and a first horizontal platform 1-2. On both sides of the upper and lower ends of the vertical plate 2, horizontal insertion slots 2-1 are respectively provided. At the upper and lower ends of the vertical plate 2, second right-angle step slots are respectively provided. The second right-angle step slot includes a second horizontal platform 2-4 and a vertical insertion plate 2-3. The first horizontal platform 1-2 is matched with the horizontal insertion slot 2-1. The second horizontal platforms 2-4 at both ends of the two vertical plates 2 on the storage unit A5 all face the inner side of the storage unit A5. The second right-angle step slot of the vertical plate 2 on the storage unit A5 and the vertical end face 1-1 of the horizontal plate 1 form the horizontal card slot 3. The vertical insertion plate 2-3 and the horizontal card slot 3 form the vertical insertion structure.

[0047] As a further preference, an L-shaped snap-in plate 1-3 is integrally formed on the outer side of one end of the first horizontal platform 1-2 on the horizontal plate 1, and the L-shaped snap-in plate 1-3 and the end face of the first horizontal platform 1-2 form a horizontal snap-in 1-4 facing the other end of the first horizontal platform 1-2, and the upper and lower end faces of the L-shaped snap-in plate 1-3 are flush with the upper and lower end faces of the first horizontal platform 1-2; the front and rear sides of the two ends of the vertical plate 2 are respectively provided with notches 2-2 that pass through the horizontal slot 2-1, and the notches 2-2 match the horizontal snap-in 1-4; the width of the vertical plate 2 is twice the width of the horizontal plate 1, and the two vertical plates 2 and the four horizontal plates 1 are arranged end to end. The storage unit A5 is formed by alternately inserting and splicing, wherein the two horizontal plates 1 are respectively inserted into the horizontal slots 2-1 at the upper and lower ends of the two vertical plates 2 from the front side, and the other two horizontal plates 1 are respectively inserted into the horizontal slots 2-1 at the upper and lower ends of the two vertical plates 2 from the back side, the horizontal snap-in 1-4 on the horizontal plate 1 is snapped into the notch 2-2 on the vertical plate 2, and the L-shaped snap-in plate 1-3 extends to the outer side of the vertical plate 2 on the storage unit A5 to form the support block; the connecting plate 4 has the same shape as the vertical plate 2, and the second right-angle step groove at the end of the connecting plate 4 and the support block on the storage unit A5 form the horizontal insertion structure.

[0048] As a further preferred embodiment, on the storage unit A5, the distance between the bottom walls of the horizontal slots 2-1 corresponding to the two ends of the same side of the two vertical plates 2 is equal to the distance between the two vertical end surfaces 1-1 at both ends of the horizontal plate 1.

[0049] The assembly method of the above expandable storage rack has the following steps:

[0050] S1: Assemble the object unit A, such as Figure 3 a, Figure 3 b and Figure 3 As shown in c, the two horizontal plates 1 are respectively inserted from the front side into the horizontal slots 2-1 at the upper and lower ends of the two vertical plates 2; Figure 3 C and Figure 3 As shown in d, the other two horizontal plates 1 are respectively inserted from the rear side into the horizontal slots 2-1 at the upper and lower ends of the two vertical plates 2 to form a storage unit A5, wherein the horizontal snap-in 1-4 on the horizontal plate 1 is snap-fitted into the notch 2-2 on the vertical plate 2, and the second right-angle step grooves at the two ends of the two vertical plates 2 are correspondingly facing the inner side of the storage unit A;

[0051] S2: Assemble a shelf, which is a shelf extending to the vertical plane two-dimensional space:

[0052] First, as Figure 4 A and Figure 5As shown, two storage units A5 are placed at intervals on the horizontal ground, and the adjacent vertical plates 2 on the two storage units A5 are parallel and aligned.

[0053] Second, place the connecting plate 4 horizontally at the lower end of the gap between the two storage units A5, and make the second right-angled step grooves at both ends of the connecting plate 4 respectively overlap on the support plates at the lower ends of the adjacent vertical plates 2 of the two storage units A5; place the third storage unit A5 on the top of the gap between the two bottom storage units A5, and the vertical insertion plates 2-3 at the bottoms of the two vertical plates 2 on the third storage unit A5 are respectively inserted into the two adjacent horizontal card slots 3 of the two bottom storage units A5, and the vertical insertion plates 2-3 at the tops of the two adjacent vertical plates 2 on the two bottom storage units A5 are respectively inserted into the two horizontal card slots 3 at the lower end of the third storage unit A5, forming an expandable storage rack with a "pin" shape structure.

[0054] Embodiment 2

[0055] As Figures 6 to 8 shown, the present invention is an expandable storage rack. The difference between Embodiment 2 and Embodiment 1 is that the storage rack is a similar "L" shape structure, which is assembled by inserting and splicing four storage units A5 and two connecting plates 4. Among them, the outer sides of two longitudinally adjacent storage units A5 located at the edge position of the storage rack are inserted and connected with the two end parts of the connecting plate 4 through the vertical insertion structure, the outer sides of two horizontally adjacent storage units A5 located at the edge position of the storage rack are inserted and connected with the two end parts of the connecting plate 4 through the horizontal insertion structure, and the adjacent storage units A5 located inside the storage rack are inserted and connected with each other through the horizontal card slot 3. Its insertion and splicing method is the same as that of the storage rack in Embodiment 1, and this storage rack can be used to store books 7, ornaments, etc.

[0056] The assembling method of the above expandable storage rack is as follows:

[0057] S1: Assemble the storage unit A5. Assemble several cross plates 1 and vertical plates 2 into the storage unit A5. The specific operation content is the same as that in step S1 of Embodiment 1.

[0058] S2: Assemble the storage rack. This storage rack is a storage rack extending in the two-dimensional space of the vertical plane:

[0059] First, place the two bottom storage units A5 at intervals on the horizontal ground, and the adjacent vertical plates 2 on the two storage units A5 are parallel and aligned.

[0060] Second, place the connecting plate 4 horizontally at the lower end of the gap between the two storage units A5, and make the second right-angle step grooves at both ends of the connecting plate 4 overlap the support plates at the lower ends of the adjacent vertical plates 2 of the two storage units A5 respectively; overlap the third storage unit A5 at the top of the gap between the two storage units A5 on the bottom layer, and the vertical plug-in plates 2-3 at the bottom of the two vertical plates 2 on the third storage unit A5 are respectively inserted into the two adjacent horizontal card slots 3 of the two storage units A5 on the bottom layer, and the vertical plug-in plates 2-3 at the top of the two adjacent vertical plates 2 on the two storage units A5 on the bottom layer are respectively inserted into the two horizontal card slots 3 at the lower end of the third storage unit A5 The fourth storage unit A5 is stacked adjacent to each other just above the storage unit A5 on the left side of the bottom layer, and the horizontal card slot 3 at the lower right corner of the fourth storage unit A5 is plugged and connected with the horizontal card slot 3 at the upper left corner of the third storage unit A5, and the left side of the fourth storage unit A5 and the left side of the storage unit A5 on the left side of the bottom layer are plugged and connected with the two ends of the connecting plate 4 through the vertical plug-in structure, that is, the vertical plug-in plate at the upper end of the connecting plate 4 is plugged into the horizontal card slot 3 at the lower left corner of the fourth storage unit A5, and the vertical plug-in plate at the lower end of the connecting plate 4 is plugged into the horizontal card slot 3 at the upper left corner of the storage unit A5 on the left side of the bottom layer.

[0061] Example 3

[0062] like Figures 9-10 As shown, the present invention is an expandable storage rack. The difference between Example 3 and Example 1 is that the storage rack is a "nine-square grid" structure, which is composed of 5 storage units A5 and 4 connecting plates 4 plug-in and spliced, and its plug-in and splicing method is the same as the storage rack in Example 2. The storage rack can be used to store books 7, decorations, etc.

[0063] The assembly method of the above expandable storage rack has the following steps:

[0064] S1: Assembling the storage unit A5, assembling a plurality of horizontal boards 1 and vertical boards 2 into the storage unit A5, the specific operation content is the same as step S1 in embodiment 1;

[0065] S2: Assemble a shelf, which is a shelf extending to the vertical plane two-dimensional space:

[0066] First, place two storage units A5 on the bottom floor on the horizontal ground with spacing, and align adjacent vertical plates 2 on the two storage units A5 in parallel;

[0067] Second, place the connecting plate 4 horizontally at the lower end of the gap between the two storage units A5 on the bottom layer, and make the second right-angle step grooves at both ends of the connecting plate 4 overlap the support plates at the lower ends of the adjacent vertical plates 2 of the two storage units A5 respectively; overlap the third storage unit A5 at the top of the gap between the two storage units A5 on the bottom layer, and the vertical plug-in plates 2-3 at the bottom of the two vertical plates 2 on the third storage unit A5 are respectively inserted into the two adjacent horizontal card slots 3 of the two storage units A5 on the bottom layer, and the vertical plug-in plates 2-3 at the bottom of the two vertical plates 2 on the two storage units A5 on the bottom layer are respectively inserted into the two adjacent horizontal card slots 3 of the two storage units A5 on the bottom layer, and the vertical plug-in plates 2-3 at the top of the two adjacent vertical plates 2 on the two storage units A5 on the bottom layer are respectively inserted into the vertical plug-in plates 2-3 at the bottom of the two adjacent horizontal card slots 3 of the two storage units A5 on the bottom layer. The vertical plug plates 2-3 are respectively inserted into the two horizontal card slots 3 at the lower end of the third storage unit A5; the fourth storage unit A5 is stacked adjacently at intervals just above the storage unit A5 located on the left side of the bottom layer, and the fifth storage unit A5 is stacked adjacently at intervals just above the storage unit A5 located on the right side of the bottom layer, and the horizontal card slot 3 at the lower right corner of the fourth storage unit A5 is connected to the horizontal card slot 3 at the upper left corner of the third storage unit A5 by plugging and connecting the left side of the fourth storage unit A5 and the left side of the storage unit A5 located on the left side of the bottom layer through The vertical plug-in structure is plug-in connected with the two ends of the connecting plate 4, that is, the vertical plug-in plate at the upper end of the connecting plate 4 is plug-in into the horizontal card slot 3 at the lower left corner of the fourth storage unit A5, and the vertical plug-in plate at the lower end of the connecting plate 4 is plug-in into the horizontal card slot 3 at the upper left corner of the storage unit A5 on the left side of the bottom layer; similarly, the horizontal card slot 3 at the lower left corner of the fifth storage unit A5 and the horizontal card slot 3 at the upper right corner of the third storage unit A5 are plug-in connected to each other, and the right side of the fifth storage unit A5 and the right side of the storage unit A5 located on the right side of the bottom layer are connected through the vertical plug-in structure. The structure is plug-connected with the two ends of the connecting plate 4, that is, the vertical plug plate at the upper end of the connecting plate 4 is plugged into the horizontal card slot 3 at the lower right corner of the fifth storage unit A5, and the vertical plug plate at the lower end of the connecting plate 4 is plugged into the horizontal card slot 3 at the upper right corner of the bottom right storage unit A5; the connecting plate 4 is horizontally placed at the upper end of the gap between the fourth storage unit A5 and the fifth storage unit A5 on the top layer, and the second right-angle step grooves at both ends of the connecting plate 4 are respectively overlapped on the support plates at the upper ends of the adjacent vertical plates 2 of the fourth storage unit A5 and the fifth storage unit A5.

[0068] Example 4

[0069] like Figures 11 to 14As shown, the present invention is an expandable storage rack, including two storage units A5 and one storage unit B6, wherein the storage units A5 and B6 are both rectangular lattice units formed by four horizontal boards 1 and two vertical boards 2 being spliced ​​alternately end to end with mortise and tenon joints; the left and right ends of the upper end face and the left and right ends of the lower end face of the storage unit A5 are respectively provided with horizontal card grooves 3 along the width direction of the horizontal board 1, and the left and right ends of the upper end face and the left and right ends of the lower end face of the storage unit B6 are respectively provided with plug-in plates adapted to the horizontal card grooves 3, and the horizontal card grooves 3 and the plug-in plates form a vertical plug-in structure; the two storage units A5 and one storage unit B6 are alternately plug-in spliced ​​into the storage rack through the vertical plug-in structure in a one-dimensional space in the vertical direction, and the storage rack can be used to store books 7, decorations, etc.

[0070] Preferably, the left and right ends of the horizontal plate 1 are respectively provided with a first right-angle step groove, the first right-angle step groove includes a vertical end face 1-1 and a first horizontal platform 1-2, the two side surfaces of the upper and lower ends of the vertical plate 2 are respectively provided with a horizontal slot 2-1, the upper and lower ends of the vertical plate 2 are respectively provided with a second right-angle step groove, the second right-angle step groove includes a second horizontal platform 2-4 and a vertical plug-in plate 2-3, and the first horizontal platform 1-2 matches the horizontal slot 2-1; the storage unit A5 The second horizontal platforms 2-4 at both ends of the upper two vertical plates 2 are both correspondingly facing the inner side of the storage unit A5, and the second right-angle step grooves of the upper vertical plates 2 of the storage unit A5 and the vertical end surface 1-1 of the horizontal plate 1 constitute the horizontal card slot 3; the second horizontal platforms 2-4 at both ends of the upper two vertical plates 2 of the storage unit B6 are both correspondingly facing the outer side of the storage unit B6, and the vertical plug-in plates 2-3 at the ends of the upper vertical plates 2 of the storage unit B6 and the horizontal card slot 3 on the storage unit A5 form the vertical plug-in structure.

[0071] As a further preferred embodiment, on the storage unit A5, the distance between the bottom walls of the horizontal slots 2-1 corresponding to the two ends of the same side of the two vertical plates 2 is equal to the distance between the two vertical end surfaces 1-1 at both ends of the horizontal plate 1.

[0072] The assembly method of the above expandable storage rack has the following steps:

[0073] S1: Assemble object unit A and storage unit B

[0074] According to the assembly step 1 of the expandable storage rack in Example 1, two storage units A5 and one storage unit B6 are assembled, wherein the second right-angle step grooves at both ends of the two vertical plates 2 on the storage unit B6 are correspondingly facing the outside of the storage unit B6;

[0075] S2: Assemble the expandable storage rack, place the first storage unit A5 on the horizontal ground; insert and splice the storage unit B on the first storage unit A, wherein the vertical plug-in plates 2-3 at the lower ends of the two vertical plates 2 on the storage unit B6 are correspondingly inserted into the two horizontal card slots 3 at the upper end of the first storage unit A5; insert and splice the second storage unit A on the storage unit B6, wherein the vertical plug-in plates 2-3 at the upper ends of the two vertical plates 2 on the storage unit B6 are correspondingly inserted into the two horizontal card slots 3 at the lower end of the second storage unit A.

[0076] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. An expandable storage rack, characterized in that: The invention comprises a plurality of storage units A (5) and a connecting plate (4), wherein the storage unit A (5) is a rectangular lattice unit formed by alternately joining a plurality of horizontal plates (1) and a plurality of vertical plates (2) end to end; the left and right ends of the upper end surface and the left and right ends of the lower end surface of the storage unit A (5) are respectively provided with horizontal card grooves (3) along the width direction of the horizontal plate (1); the two ends of the connecting plate (4) are respectively provided with plug-in plates adapted to the horizontal card grooves (3); the horizontal card grooves (3) and the plug-in plates form a vertical plug-in structure; the upper and lower ends of the outer side of the left end surface and the upper and lower ends of the outer side of the right end surface of the storage unit A (5) are respectively provided with support blocks; the two ends of the connecting plate (4) are also respectively provided with plug-in plates adapted to the horizontal card grooves (3); The supporting block is adapted to have a lap groove, and the supporting block and the lap groove form a transverse plug-in structure; a plurality of the storage units A (5) are stacked in a staggered manner in a two-dimensional space of a vertical plane and are plug-in spliced ​​through a connecting plate (4) to form the storage rack, wherein the outer sides of two storage units A (5) adjacent to each other in the longitudinal direction at the edge of the storage rack are plug-in connected to the two ends of the connecting plate (4) through the vertical plug-in structure, the outer sides of two storage units A (5) adjacent to each other in the transverse direction at the edge of the storage rack are plug-in connected to the two ends of the connecting plate (4) through the transverse plug-in structure, and the adjacent storage units A (5) located on the inner side of the storage rack are plug-in connected to each other through the horizontal slots (3); The left and right ends of the horizontal plate (1) are respectively provided with a first right-angle step groove, the first right-angle step groove comprises a vertical end face (1-1) and a first horizontal platform (1-2), the two side faces of the upper and lower ends of the vertical plate (2) are respectively provided with a horizontal slot (2-1), the upper and lower ends of the vertical plate (2) are respectively provided with a second right-angle step groove, the second right-angle step groove comprises a second horizontal platform (2-4) and a vertical plug-in plate (2-3), the first horizontal platform (1-2) matches the horizontal slot (2-1); the second horizontal platforms (2-4) at the two ends of the two vertical plates (2) on the storage unit A (5) are both correspondingly facing the inner side of the storage unit A (5), the second right-angle step groove of the vertical plate (2) on the storage unit A (5) and the vertical end face (1-1) of the horizontal plate (1) form the horizontal slot (3), and the vertical plug-in plate (2-3) and the horizontal slot (3) form the vertical plug-in structure; An L-shaped snap-in plate (1-3) is integrally formed on the outer side of one end of the first horizontal platform (1-2) on the horizontal plate (1), and the L-shaped snap-in plate (1-3) and the end surface of the first horizontal platform (1-2) form a horizontal snap-in slot (1-4) facing the other end of the first horizontal platform (1-2), and the upper and lower end surfaces of the L-shaped snap-in plate (1-3) are flush with the upper and lower end surfaces of the first horizontal platform (1-2); the front and rear sides of the two ends of the vertical plate (2) are respectively provided with notches (2-2) penetrating the horizontal slot (2-1), and the notches (2-2) match the horizontal snap-in slot (1-4); the width of the vertical plate (2) is twice the width of the horizontal plate (1), and the two vertical plates (2) and the four horizontal plates (1) are inserted alternately head to tail in sequence. The storage unit A (5) is formed by assembling and splicing, wherein the two transverse plates (1) are respectively inserted into the horizontal slots (2-1) at the upper and lower ends of the two vertical plates (2) from the front side, and the other two transverse plates (1) are respectively inserted into the horizontal slots (2-1) at the upper and lower ends of the two vertical plates (2) from the back side, the horizontal snap-in holes (1-4) on the transverse plates (1) are snap-fitted into the notches (2-2) on the vertical plates (2), and the L-shaped snap-in plates (1-3) extend to the outer side surfaces of the vertical plates (2) on the storage unit A (5) to form the support blocks; the connecting plates (4) are of the same shape as the vertical plates (2), and the second right-angle step grooves at the ends of the connecting plates (4) and the support blocks on the storage unit A (5) form the transverse insertion structure.

2. The expandable storage rack according to claim 1, characterized in that: On the storage unit A (5), the distance between the bottom walls of the horizontal slots (2-1) corresponding to the two ends of the same side of the two vertical plates (2) is equal to the distance between the two vertical end surfaces (1-1) at both ends of the horizontal plate (1).

3. A method for assembling an expandable storage rack, characterized in that: Assembling the expandable storage rack according to claim 2 comprises the following steps: S1: Assembling a storage unit A (5), assembling a plurality of horizontal boards (1) and vertical boards (2) into a storage unit A (5); S2: Assembling a storage rack, inserting and splicing a plurality of storage units A (5) and connecting plates (4) to form a storage rack extending into a two-dimensional space on a vertical plane.

4. The method for assembling an expandable storage rack according to claim 3, characterized in that: The specific operation of step S1 is to insert the two horizontal plates (1) into the horizontal slots (2-1) at the upper and lower ends of the two vertical plates (2) from the front side respectively; insert the other two horizontal plates (1) into the horizontal slots (2-1) at the upper and lower ends of the two vertical plates (2) from the back side respectively to form a storage unit A (5), wherein the horizontal snap-in (1-4) on the horizontal plate (1) is snap-fitted into the notch (2-2) on the vertical plate (2); The specific operation of step S2 is to place a plurality of bottom-layer storage units A (5) in a straight line on a horizontal ground, and the vertical plates (2) on each storage unit A (5) are aligned in parallel, and the lower ends of two storage units A (5) adjacent to each other in a transverse spacing are respectively plugged and connected with the connecting plate (4) through a transverse plug-in structure, and the second right-angle step grooves at both ends of the connecting plate (4) are respectively overlapped on the supporting blocks at the lower ends of the adjacent vertical plates (2) of the two storage units A (5) adjacent to each other in a transverse spacing; and place a plurality of second-layer storage units A (5) in a straight line on the top of the bottom-layer storage units A (5), and each storage unit A (5) of the second layer is respectively located at the top of the gap between the two adjacent storage units A (5) in the bottom layer in a one-to-one correspondence, and the vertical plug-in plates (2-3) at the bottom of the two vertical plates (2) on each storage unit A (5) in the second layer are respectively plugged into the adjacent water blocks at the top of the two adjacent storage units A (5) in the transverse spacing of the bottom layer. The vertical plug-in plates (2-3) on the top of the two vertical plates (2) on each storage unit A (5) in the flat card slot (3) and on the bottom layer are respectively plugged into the adjacent horizontal card slots (3) at the lower ends of the two storage units A (5) at the second layer; similarly, a plurality of layers of storage units A (5) are arranged, and the upper ends of the two storage units A (5) at the top layer that are adjacent in transverse intervals are respectively plugged and connected with the connecting plate (4) through transverse plug-in structures, and the second right-angle step grooves at both ends of the connecting plate (4) are respectively connected to the supporting blocks at the upper ends of the outer sides of the two vertical plates (2) of the two storage units A (5) at the edge of the storage rack that are adjacent in longitudinal intervals are plugged and connected with the two ends of the connecting plate (4) through the vertical plug-in structures, and the vertical plug-in plates at both ends of the connecting plate (4) are respectively plugged into the adjacent horizontal card slots (3) at the outer sides of the two storage units A (5) at the vertical intervals.

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