Folding storage rack

Abstract

The utility model belongs to the technical field of articles for daily use, and particularly relates to a folding commodity shelf which is used for placing an electric cooker and a teakettle and comprises a supporting frame. The two ends of the rear side of the first storage plate are each provided with a first hinge part, and the two first hinge parts are arranged in the middles of the two sides of the supporting frame correspondingly and hinged to the supporting frame through first hinge shafts; the rotation limiting device is movably connected with the supporting frame and the first storage plate and used for limiting the maximum opening angle of the first storage plate; the two ends of the rear side of the storage plate device are each provided with a second hinge part, and the two second hinge parts are hinged to the two sides of the lower end of the supporting frame through second hinge shafts correspondingly; the storage rack can be folded by turning over the first storage plate and the storage plate device towards the supporting frame, when no objects are placed on the first storage plate and the storage plate device, the first storage plate and the storage plate device are turned over and folded, space waste is avoided, and meanwhile the folded storage rack is convenient to store and transport.

Description

Technical Field

[0001] The utility model relates to the technical field of daily necessities, and particularly refers to a folding storage rack. Background Art

[0002] A storage rack is a commonly used item storage device in people's daily lives. Especially in a kitchen with a lot of items and limited space, the storage rack can effectively prevent items from piling up messily and improve the aesthetic degree.

[0003] For example, a rice cooker storage rack disclosed in Chinese Patent CN202320501499.9 includes: a bracket, a panel, and a movable bottom rack. Brackets are relatively arranged on both sides of the panel. The panel and the brackets on both sides form a storage space. The movable bottom rack is arranged in the storage space, and the panel and the movable bottom rack are used for placing items;

[0004] However, it still has some deficiencies that the panel and the movable bottom rack cannot be flipped and folded on the bracket. When the storage rack is not in use, the storage rack will occupy the operation space above the tabletop, resulting in waste of space; at the same time, the non-foldable storage rack is not convenient for transportation and storage. Summary of the Invention

[0005] The purpose of the utility model is to provide a folding storage rack. By flipping the first storage board and the storage board device towards the support frame, the folding of the storage rack is realized, and the problems of inconvenient storage and transportation caused by the non-foldable storage rack are improved.

[0006] The purpose of the utility model is achieved as follows:

[0007] A folding storage rack for placing a rice cooker and a kettle includes:

[0008] A support frame;

[0009] The first storage board, both ends of the rear side thereof have a first hinge part, and the two first hinge parts are respectively placed in the middle of both sides of the support frame and are hinged to the support frame through a first hinge shaft;

[0010] A rotation limiting device, which is movably connected to the support frame and the first storage board for limiting the maximum opening angle of the first storage board;

[0011] A storage board device, both ends of the rear side thereof have a second hinge part, and the two second hinge parts are respectively hinged to both sides of the lower end of the support frame through a second hinge shaft;

[0012] When the storage rack is in an open state, the front ends of both the first storage board and the storage board device rotate towards a direction away from the support frame, and the rotation limiting device enables the first storage board to maintain a horizontal open state;

[0013] When the storage rack is in the folded state, the front ends of both the first storage board and the storage board device rotate towards the direction close to the support frame, so that the end faces of the first storage board and the storage board device are attached to the side end of the support frame.

[0014] Preferably, the rotation limiting device includes: two groups of folding pull rods, and the two ends of the folding pull rods are respectively connected to the support frame and the first storage board;

[0015] Wherein, the folding pull rod includes:

[0016] The first pull rod, the rear end of which is rotatably connected to the side end of the support frame;

[0017] The second pull rod, the rear end of which is rotatably connected to the front end of the first pull rod, and the front end of the second pull rod is rotatably connected to the middle part of the side surface of the first storage board;

[0018] Through the cooperation of the first pull rod and the second pull rod, the first storage board is maintained in the horizontal open state.

[0019] Preferably, the rotation limiting device includes:

[0020] A plurality of support rods, the front ends of which are movably connected to the middle part of the side surface of the first storage board, the rear ends of the support rods are movably connected to the support frame, and the front ends of the support rods are higher than the rear ends of the support rods, for maintaining the first storage board in the horizontal open state.

[0021] Preferably, the rotation limiting device includes:

[0022] A support platform, which is formed in the middle of the support frame;

[0023] When the first storage board rotates to the open state on the support frame, the upper end of the support platform movably abuts against the lower end of the first storage board for supporting the first storage board.

[0024] Preferably, convex platforms are arranged on both sides of the support frame, and the convex platforms are located below the hinge point of the first storage board and the support frame;

[0025] When the first storage board rotates to the open state on the support frame, the convex platforms movably abut against the lower ends of the first hinge parts for limiting the rotation range of the first storage board.

[0026] Preferably, a limiting part is arranged at the front end of the support frame;

[0027] When the first storage board rotates to the open state on the support frame, the limiting part movably abuts against the lower side of the rear end of the first storage board.

[0028] Preferably, the storage board device includes:

[0029] The bottom plate is provided with the second hinge parts at both ends of its rear side;

[0030] The second storage plate is slidably connected to the bottom plate;

[0031] Wherein, a sliding groove is formed on the bottom plate, a sliding block is arranged at the lower end of the second storage plate, and the sliding block is slidably arranged in the sliding groove.

[0032] Preferably, the support frame has two vertically arranged support columns, a connecting seat is connected to the support columns, and the first storage plate is hinged to the connecting seat; a slide rail is vertically arranged on the support columns, and anti - detachment grooves are arranged on both sides of the slide rail; sliding grooves are arranged on both sides of the connecting seat, and anti - detachment protrusions are arranged on the inner wall of the notch of the sliding groove;

[0033] When the slide rail is slidably arranged in the sliding groove, the anti - detachment protrusion is slidably arranged in the anti - detachment groove, and the connecting seat cooperates with the support column through a locking device to limit the sliding of the connecting seat on the support column;

[0034] A plurality of fixing holes are arranged at the side end of the support column for connecting the rear end of the first pull rod of the rotation - limiting device or for connecting the rear end of the support rod of the rotation - limiting device.

[0035] Preferably, the locking device includes:

[0036] A plurality of locking holes are formed on the end face of the slide rail;

[0037] A locking member is slidably arranged on the connecting seat, and the end of the locking member is inserted into the locking hole to limit the sliding of the connecting seat on the slide rail;

[0038] Wherein, an installation groove is formed on the connecting seat, a through - hole is formed on the side wall of the installation groove, and the through - hole communicates the installation groove with the side wall of the sliding groove;

[0039] The locking member has a sliding part and a locking part, the sliding part is slidably arranged in the installation groove, and the locking part is inserted into the locking hole through the through - hole.

[0040] Preferably, the support frame has a support base and a cross bar, the support base is hinged with the storage plate device, the lower end of the support column is clamped on the upper end of the support base, and the side end of the support column protrudes from the side end of the support base to form an avoidance area for making the rear end of the support column fit against the wall;

[0041] Both ends of the cross bar are respectively clamped on the upper ends of the two support columns to prevent the connecting seat from sliding out of the support column from the slide rail.

[0042] The prominent and beneficial technical effects of the present utility model compared with the prior art are:

[0043] By flipping the first storage board and the storage board device towards the support frame, the utility model can fold the storage rack. When no items are placed on the first storage board and the storage board device, they can be flipped and folded, avoiding waste of space. At the same time, the folded storage rack is convenient for storage and transportation; by rotating the first storage board and the storage board device to open the storage rack for storing items, in the open state, the lower end of the storage board device fits on the tabletop, and the first storage board maintains a horizontal state through the rotation limiting device, with a stable structure and convenient operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0044] Figure 1 It is a schematic structural diagram of Embodiment 1.

[0045] Figure 2 It is a side view of Embodiment 1.

[0046] Figure 3 It is an exploded view of Embodiment 1.

[0047] Figure 4 It is a schematic structural diagram of the second storage board of Embodiment 1.

[0048] Figure 5 It is a schematic structural diagram of the connection seat installed on the support column in Embodiment 1.

[0049] Figure 6 For Figure 3 The enlarged view of part A in

[0050] Figure 7 It is a sectional view of the locking device in Embodiment 1.

[0051] Figure 8 It is a schematic structural diagram of Embodiment 2.

[0052] Figure 9 It is a schematic structural diagram of Embodiment 3.

[0053] Reference numerals: 1, support frame; 11, support column; 12, slide rail; 13, anti - detachment groove; 14, fixing hole; 15, locking hole; 16, support seat; 17, cross bar; 18, avoidance area;

[0054] 2, connection seat; 21, hinge hole; 22, convex platform; 23, limiting part; 24, chute; 25, anti - detachment protrusion; 26, installation groove; 27, through hole;

[0055] 3, first storage board; 31, first hinge part; 32, first hinge shaft;

[0056] 4, rotation limiting device;

[0057] 5. Storage plate device; 51. Bottom plate; 52. Second storage plate; 53. Second hinge part; 54. Second hinge axis; 55. Sliding groove; 56. Sliding block; 57. Anti-slip member;

[0058] 6. Folding pull rod; 61. Pull rod one; 62. Pull rod two;

[0059] 7. Locking device; 71. Locking member; 72. Sliding portion; 73. Locking portion;

[0060] 8. Support rod; 9. Support platform. DETAILED DESCRIPTION

[0061] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings.

[0062] like Figure 1 As shown, a foldable storage rack for placing an electric rice cooker and a kettle comprises: a support frame 1; a storage plate 3, both ends of which have hinge parts 31 on the rear side, the two hinge parts 31 are respectively placed in the middle of both sides of the support frame 1 and are hinged to the support frame 1 through a hinge shaft 32; a rotation limiting device 4, which movably connects the support frame 1 and the storage plate 3, and is used to limit the maximum opening angle of the storage plate 3 (specifically, Figure 2 As shown, the maximum opening angle is when the storage plate 1 3 is in a horizontal state); the storage plate device 5 has two hinge parts 53 at both ends of its rear side, and the two hinge parts 53 are respectively hinged to the two sides of the lower end of the support frame 1 through the hinge shaft 2 54;

[0063] When the storage rack is in the open state, the front ends of both the storage plate 1 3 and the storage plate device 5 rotate in a direction away from the support frame 1, and the rotation limiting device 4 allows the storage plate 1 3 to maintain a horizontal open state, and the lower end of the storage plate device 5 is in contact with the work surface;

[0064] When the storage rack is in a folded state, the front ends of both the storage plate 3 and the storage plate device 5 rotate toward the direction close to the support frame 1, so that the end surfaces of the storage plate 3 and the storage plate device 5 are attached to the end side of the support frame 1, thereby facilitating the transportation and storage of the storage rack and saving the space occupied by the storage rack.

[0065] In addition to rice cookers and kettles, the rack in this design can also be used to place kitchen appliances such as air fryers, juicers and microwave ovens.

[0066] Combination Figure 2 and Figure 3, the limited rotation device 4 includes: two groups of folding pull rods 6, with both ends of the folding pull rods 6 respectively connected to the support frame 1 and the first storage board 3; among them, the folding pull rod 6 includes: the first pull rod 61, whose rear end is rotatably connected to the side end of the support frame 1, and the rear end of the first pull rod 61 has a first connecting shaft, and the first connecting shaft is inserted into the fixing hole 14; the second pull rod 62, whose rear end is rotatably connected to the front end of the first pull rod 61, and the front end of the second pull rod 62 is rotatably connected to the middle part of the side surface of the first storage board 3. The second connecting shaft at the front end of the first pull rod 61 is inserted into the first connecting hole at the rear end of the second pull rod 62, and the third connecting shaft at the front end of the second pull rod 62 is inserted into the second connecting hole in the middle of the side surface of the first storage board 3; through the cooperation of the first pull rod 61 and the second pull rod 62, the first storage board 3 is maintained in a horizontal open state. When the first pull rod 61 and the second pull rod 62 rotate relative to each other through the cooperation of the second connecting shaft and the first connecting hole, when the first pull rod 61 and the second pull rod 62 are in the same straight line, at this time the first storage board 3 rotates to the maximum angle, that is, the first storage board 3 is in a horizontal state.

[0067] Combined with Figure 2 and Figure 3 , convex platforms 22 are arranged on both sides of the support frame 1, and the convex platforms 22 are located below the hinge point of the first storage board 3 and the support frame 1, that is, hinge holes 21 are provided on the support frame 1, and the hinge holes 21 are used for hinging the first hinge part 31 of the first storage board 3, and the convex platforms 22 are located below the hinge holes 21; when the first storage board 3 rotates to the open state on the support frame 1, that is, when the first storage board 3 is in a horizontal state, the convex platforms 22 actively abut against the lower end surface of the first hinge part 31, and are used to limit the rotation of the end of the first storage board 3 towards the direction of the storage board device 5, thereby preventing the first storage board 3 from tilting and causing items to slide off from the front end of the first storage board 3.

[0068] Combined with Figure 2 and Figure 3 , a limiting part 23 is provided at the front end of the support frame 1; when the first storage board 3 rotates to the open state on the support frame 1, the limiting part 23 actively abuts against the lower side of the rear end of the first storage board 3, and the limiting part 23 prevents the middle part of the rear end of the first storage board 3 from collapsing downward after placing items, ensuring the load-bearing capacity of the first storage board 3 and the stability of placing items on the first storage board 3.

[0069] Combined with Figures 2 to 4 , the storage board device 5 includes: a bottom plate 51, with second hinge parts 53 provided at both ends of the rear side thereof; a second storage board 52, which is slidably connected to the bottom plate 51; among them, a sliding groove 55 is provided on the bottom plate 51, a slider 56 is provided at the lower end of the second storage board 52, and the slider 56 is slidably placed in the sliding groove 55. The sliding groove 55 can be provided on the side walls on both sides of the bottom plate 51 or on both sides of the bottom of the bottom plate 51.

[0070] Combined with Figures 2 to 4, when two sliding grooves 55 are located on both sides of the bottom of the bottom plate 51, and the sliding grooves 55 have no bottom, that is, both the upper and lower ends of the sliding grooves 55 have openings, the lower end of the slider 56 passes through the lower opening of the sliding groove 55 and is movably connected with an anti - detachment member 57. The anti - detachment member 57 is movably abutted against the edge of the lower opening of the sliding groove 55 to limit the slider 56 from detaching from the sliding groove 55.

[0071] Combined with Figure 2 and Figure 3 , the support frame 1 has two vertically arranged support columns 11. A connecting seat 2 is connected to the support column 11. A first storage plate 3 is hinged to the connecting seat 2. The hinge holes 21 described above are located at both ends of the connecting seat 2. The convex platforms are located at both ends of the connecting seat 2. The limiting portions 23 are located at the front end of the connecting seat 2.

[0072] Combined with Figure 5 and Figure 6 , the support column 11 is vertically provided with a slide rail 12, and anti - detachment grooves 13 are arranged on both sides of the slide rail 12; sliding grooves 24 are arranged on both sides of the connecting seat 2, and anti - detachment protrusions 25 are arranged on the inner wall of the notch of the sliding groove 24; when the slide rail 12 slides into the sliding groove 24, the anti - detachment protrusion 25 slides into the anti - detachment groove 13, and the connecting seat 2 cooperates with the support column 11 through a locking device 7 to limit the sliding of the connecting seat 2 on the support column 11.

[0073] Combined with Figure 2 and Figure 3 , a plurality of vertically distributed fixing holes 14 are arranged on the side end of the support column 11 for connecting the rear end of the first pull rod 61 of the rotation - limiting device 4.

[0074] Combined with Figure 3 , Figure 5 , Figure 6 and Figure 7 , the locking device 7 includes: a plurality of locking holes 15 opened on the end face of the slide rail 12; a locking member 71 slidably arranged on the connecting seat 2, and the end of the locking member 71 is inserted into the locking hole 15 to limit the sliding of the connecting seat 2 on the slide rail 12; wherein, an installation groove 26 is opened on the connecting seat 2, a through - hole 27 is opened on the side wall of the installation groove 26, and the through - hole 27 communicates the installation groove 26 with the side wall of the sliding groove 24; the locking member 71 has a sliding portion 72 and a locking portion 73, the sliding portion 72 slides in the installation groove 26, and the locking portion 73 is inserted into the locking hole 15 through the through - hole 27; the locking portion 73 and the locking hole 15 are designed with a tight fit, that is, the inner wall of the locking hole 15 abuts against the side end of the locking portion 73, and the locking portion 73 is prevented from detaching from the locking hole 15 by friction.

[0075] Combined with Figures 1 to 3, the support frame 1 has a support base 16 and a crossbar 17. The support base 16 is hinged with a storage plate device 5. The lower end of the support column 11 is clamped to the upper end of the support base 16, and the side end of the support column 11 protrudes from the side end of the support base 16 to form an avoidance area 18 for making the rear end of the support column 11 fit against the wall. When the shelf is placed on the tabletop, since a waterproof tile is pasted between the kitchen tabletop and the wall, and the upper end of the waterproof tile protrudes from the wall, the avoidance area 18 of this solution is used to accommodate the waterproof tile, so that the rear end of the support column 11 can fit against the wall, ensuring the stability of the support frame 1 during placement, avoiding the generation of a space between the rear end of the support column 11 and the wall surface, which may cause dirt accumulation, and ensuring the cleanliness of the tabletop.

[0076] Combined with Figures 1 to 3 , both ends of the crossbar 17 are respectively clamped to the upper ends of the two support columns 11 for restricting the connecting seat 2 from sliding out of the support column 11 along the slide rail 12.

[0077] There are several reinforcing ribs in both the support column 11, the support base 16 and the crossbar 17.

[0078] Embodiment 2:

[0079] The design solution of this embodiment is basically the same as that of Embodiment 1, and the difference lies in:

[0080] As Figure 8 shown, the rotation limiting device 4 includes: several support rods 8, the front ends of which are movably connected to the middle part of the side surface of the first storage plate 3, the rear ends of the support rods 8 are movably connected to the support frame 1, and the front ends of the support rods 8 are higher than the rear ends of the support rods 8 for keeping the first storage plate 3 in a horizontal open state.

[0081] The side end of the support frame 1 has several fixing holes 14 for connecting the rear ends of the support rods 8 of the rotation limiting device 4.

[0082] Embodiment 3:

[0083] The design solution of this embodiment is basically the same as that of Embodiment 1, and the difference lies in:

[0084] As Figure 9 shown, the rotation limiting device 4 includes: a support platform 9, which is formed in the middle of the support frame 1; when the first storage plate 3 rotates to the open state on the support frame 1, the upper end of the support platform 9 movably abuts against the lower end of the first storage plate 3 for supporting the first storage plate 3, so that the first storage plate 3 maintains a horizontal open state.

[0085] The above has shown and described the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments. The above embodiments and the descriptions in the specification only illustrate the principles of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

[0086] It should be noted that the structures, ratios, sizes, etc. depicted in the drawings of this specification are only used to cooperate with the content disclosed in the specification for those who are familiar with this technology to understand and read, and are not used to limit the limiting conditions under which the present utility model can be implemented. Therefore, they do not have a substantial technical meaning. Any modification of the structure, change of the proportional relationship or adjustment of the size, without affecting the effects that the present utility model can produce and the purposes that can be achieved, should still fall within the scope that the technical content disclosed by the present utility model can cover. At the same time, the terms such as "upper", "lower", "left", "right", "middle" and "one" cited in this specification are only for the convenience of description and are not used to limit the scope under which the present utility model can be implemented. The change or adjustment of their relative relationships, without substantial change in the technical content, should also be regarded as the scope within which the present utility model can be implemented.

[0087] It should also be noted that when an element is referred to as "fixed to" or "disposed on" another element, it can be directly on the other element or there may be an intermediate element present at the same time. When an element is referred to as "connected to" another element, it can be directly connected to the other element or it can also be indirectly connected to the other element through an intermediate element.

[0088] In addition, the descriptions involving "first", "second", etc. in this application are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" can explicitly or implicitly include at least one of such features. In addition, the technical solutions between various embodiments can be combined with each other, but it must be based on the fact that those of ordinary skill in the art can implement them. When the combination of technical solutions appears to be contradictory or unable to be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection required by this application.

Claims

1. A foldable storage rack for placing a rice cooker and a kettle, characterized in that, Comprising: Support frame (1); First storage board (3), both ends of its rear side are provided with first hinge parts (31), and the two first hinge parts (31) are respectively placed in the middle parts on both sides of the support frame (1) and are hinged to the support frame (1) through a first hinge shaft (32); Rotation limiting device (4), which is movably connected to the support frame (1) and the first storage board (3) for limiting the maximum opening angle of the first storage board (3); Storage board device (5), both ends of its rear side are provided with second hinge parts (53), and the two second hinge parts (53) are respectively hinged to both sides of the lower end of the support frame (1) through a second hinge shaft (54); When the storage rack is in the open state, the front ends of both the first storage board (3) and the storage board device (5) rotate in a direction away from the support frame (1), and the rotation limiting device (4) enables the first storage board (3) to maintain a horizontal open state; When the storage rack is in the folded state, the front ends of both the first storage board (3) and the storage board device (5) rotate in a direction close to the support frame (1), so that the end faces of the first storage board (3) and the storage board device (5) are attached to the end sides of the support frame (1).

2. The foldable storage rack according to claim 1, wherein: The rotation limiting device (4) includes: two groups of folding pull rods (6), and both ends of the folding pull rods (6) are respectively connected to the support frame (1) and the first storage board (3); Wherein, the folding pull rod (6) includes: First pull rod (61), its rear end is rotatably connected to the side end of the support frame (1); Second pull rod (62), its rear end is rotatably connected to the front end of the first pull rod (61), and the front end of the second pull rod (62) is rotatably connected to the middle part of the side surface of the first storage board (3); Through the cooperation of the first pull rod (61) and the second pull rod (62), the first storage board (3) is maintained in a horizontal open state.

3. The foldable storage rack according to claim 1, wherein: The rotation limiting device (4) includes: A plurality of support rods (8), the front ends of which are movably connected to the middle part of the side surface of the first storage board (3), the rear ends of the support rods (8) are movably connected to the support frame (1), and the front ends of the support rods (8) are higher than the rear ends of the support rods (8) for maintaining the first storage board (3) in a horizontal open state.

4. The foldable storage rack according to claim 1, wherein: The rotation limiting device (4) includes: Support platform (9), which is formed in the middle of the support frame (1); When the first storage board (3) rotates to the open state on the support frame (1), the upper end of the support platform (9) movably abuts against the lower end of the first storage board (3) for supporting the first storage board (3).

5. The foldable storage rack according to claim 2 or 3, wherein: Convex platforms (22) are provided on both sides of the support frame (1), and the convex platforms (22) are located below the hinge points of the first storage board (3) and the support frame (1); When the storage board one (3) rotates to the open state on the support frame (1), the convex platform (22) abuts against the lower end of the hinge part one (31) movably, so as to limit the rotation range of the storage board one (3).

6. The foldable storage rack according to claim 5, characterized in that: A limiting part (23) is arranged at the front end of the support frame (1); When the storage board one (3) rotates to the open state on the support frame (1), the limiting part (23) abuts against the lower side of the rear end of the storage board one (3) movably.

7. The foldable storage rack according to claim 1 or 2 or 3 or 4 or 6, characterized in that: The storage board device (5) includes: A bottom board (51), and hinge parts two (53) are arranged at both ends of the rear side thereof; A storage board two (52), which is slidably connected to the bottom board (51); Wherein, a sliding groove (55) is formed on the bottom board (51), a sliding block (56) is arranged at the lower end of the storage board two (52), and the sliding block (56) is slidably placed in the sliding groove (55).

8. The foldable storage rack according to claim 1 or 2 or 3 or 4 or 6, characterized in that: The support frame (1) has two vertically arranged support columns (11), a connecting seat (2) is connected to the support columns (11), and the storage board one (3) is hinged to the connecting seat (2); a slide rail (12) is vertically arranged on the support column (11), and anti - detachment grooves (13) are arranged on both sides of the slide rail (12); sliding grooves (24) are arranged on both sides of the connecting seat (2), and anti - detachment protrusions (25) are arranged on the inner wall of the notch of the sliding groove (24); When the slide rail (12) is slidably placed in the sliding groove (24), the anti - detachment protrusion (25) is slidably placed in the anti - detachment groove (13), and the connecting seat (2) cooperates with the support column (11) through a locking device (7) to limit the sliding of the connecting seat (2) on the support column (11); A plurality of fixing holes (14) are arranged at the side end of the support column (11), for connecting the rear end of the pull rod one (61) of the rotation - limiting device (4), or for connecting the rear end of the support rod (8) of the rotation - limiting device (4).

9. The foldable storage rack according to claim 8, characterized in that: The locking device (7) includes: A plurality of locking holes (15), which are formed on the end face of the slide rail (12); A locking member (71), which is slidably arranged on the connecting seat (2), and the end of the locking member (71) is inserted into the locking hole (15) to realize the limitation of the sliding of the connecting seat (2) on the slide rail (12); Wherein, an installation groove (26) is formed on the connecting seat (2), a through hole (27) is formed on the side wall of the installation groove (26), and the through hole (27) communicates the installation groove (26) with the side wall of the sliding groove (24); The locking member (71) has a sliding portion (72) and a locking portion (73). The sliding portion (72) is slidably disposed in the mounting groove (26), and the locking portion (73) is inserted into the locking hole (15) through the through hole (27).

10. The foldable storage rack according to claim 9, wherein: The support frame (1) has a support base (16) and a cross bar (17). The support base (16) is hinged with the storage plate device (5). The lower end of the support column (11) is clamped to the upper end of the support base (16), and the side end of the support column (11) protrudes from the side end of the support base (16) and forms an avoidance area (18) for making the rear end of the support column (11) fit against the wall; Both ends of the cross bar (17) are respectively clamped to the upper ends of the two support columns (11) for restricting the connecting seat (2) from sliding out of the support column (11) from the slide rail (12).

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