Foldable diaphragm cabinet

Abstract

A foldable diaphragm cabinet, comprising a plurality of fixed steel pipes (1), rotary steel pipes (2) and support columns (3), wherein the fixed steel pipes (1) are arranged to form an upper frame (11), a middle frame (12) and a lower frame (13); the rotary steel pipes (2) are arranged to form a front upper frame (21), a front lower frame (22), a rear upper frame (23) and a rear lower frame (24); the rear upper frame (23) and the rear lower frame (24) are rotationally arranged on the upper frame (11) and the middle frame (12), respectively; the front upper frame (21) and the front lower frame (22) are rotationally arranged on the middle frame (12) and the lower frame (13), respectively; the support columns (3) are rotationally arranged on the rotary steel pipes (2); and the foldable diaphragm cabinet further comprises a plurality of short diaphragms (4) and long diaphragms (5), the short diaphragms (4) and the long diaphragms (5) being flexible diaphragms. By means of the fixed steel pipes (1), the rotary steel pipes (2) and the support columns (3), the structural strength of the foldable diaphragm cabinet is increased, the support columns (3) and the rotary steel pipes (2) rotationally connected thereto can be pushed to drive the short diaphragms (4) and the long diaphragms (5) to be bent and folded, eliminating the need for piece-by-piece disassembly during storage, thereby improving simplicity and convenience during folding and storage.

Description

A folding diaphragm cabinet Technical Field

[0001] The utility model relates to the technical field of folding cabinets, in particular to a folding diaphragm cabinet. Background Art

[0002] A foldable cabinet is a foldable cabinet used to store items such as shoes and clothing. Existing foldable cabinets are often made of plastic, which can result in structural strength issues. Heavy items can easily cause the cabinet to fall apart. Furthermore, when the cabinet needs to be disassembled piece by piece for storage, the process is cumbersome, and improvements are needed.

[0003] Summary of the Invention

[0004] The utility model aims to solve the defects of the prior art folding cabinets, such as poor structural strength, easy disintegration, and complicated storage, and provides a new folding membrane cabinet.

[0005] In order to solve the above technical problems, the present invention is implemented through the following technical solutions:

[0006] A folding diaphragm cabinet, comprising a plurality of fixed steel pipes, rotating steel pipes and support columns, wherein the fixed steel pipes are formed around an upper bracket, a middle bracket and a lower bracket, and the rotating steel pipes are formed around a front upper bracket, a front lower bracket, a rear upper bracket and a rear lower bracket, the upper end of the rear upper bracket and the upper end of the rear lower bracket are respectively rotatably arranged on the upper bracket and the middle bracket, the lower end of the rear upper bracket and the lower end of the rear lower bracket are respectively pressed against the middle bracket and the lower bracket, the lower end of the front upper bracket and the lower end of the front lower bracket are respectively rotatably arranged on the middle bracket and the lower bracket, the upper end of the front upper bracket and the front lower bracket are respectively rotatably arranged on the middle bracket and the lower bracket, The upper ends of the support columns are respectively pressed against the upper bracket and the middle bracket; the support column connects the upper bracket, the middle bracket and the lower bracket from top to bottom, one end of the support column is rotatably set on the rotating steel pipe, and the other end of the support column is detachably set on the fixed steel pipe; it also includes a plurality of short diaphragms and long diaphragms, the short diaphragms are sleeved on the upper bracket, the middle bracket, the lower bracket, the rear upper bracket, the rear lower bracket, the front upper bracket and the front lower bracket, the long diaphragms are distributed on the left and right sides of the middle bracket, and the two ends of the long diaphragm are respectively sleeved on the upper bracket and the lower bracket, and the short diaphragms and the long diaphragms are flexible diaphragms.

[0007] The skeleton of the folding diaphragm cabinet is composed of fixed steel pipes, rotating steel pipes and support columns, which improves the structural strength of the folding diaphragm cabinet and improves the stability of the folding diaphragm cabinet when placing items; the front upper bracket and the front lower bracket can rotate independently, realizing the function of the folding diaphragm cabinet door, making it convenient for users to take items; when the folding cabinet needs to be folded and stored, the support column and the rotating tube connected to the support column are pushed at the same time to fold the front upper bracket onto the upper surface of the middle bracket, the front lower bracket is folded onto the lower bracket, the rear upper bracket is folded onto the upper bracket, and the rear lower bracket is folded onto the lower surface of the middle bracket, thereby achieving folding in different directions between the front upper bracket, the front lower bracket, the rear upper bracket and the rear lower bracket, without the user having to remove the pieces one by one for folding and storage, which improves the convenience of folding and storage.

[0008] The short diaphragm and the long diaphragm can bend automatically. There is no need to remove the short diaphragm and the long diaphragm when storing the folding cabinet. The long diaphragm is used to connect the upper bracket and the lower bracket. At the same time, the folded middle bracket, front upper bracket, front lower bracket, rear upper bracket and rear lower bracket can be placed between the upper bracket and the lower bracket, thereby improving the regularity and neatness during storage.

[0009] Preferably, in the folding diaphragm cabinet described above, splicing holes are provided at the four corners of the lower bracket, and splicing feet are provided at the four corners of the upper bracket, the splicing feet are adapted to the shape of the splicing holes, and the splicing feet are inserted into the splicing holes on the adjacent lower bracket.

[0010] The setting of splicing feet and splicing holes reserves installation positions, making it convenient to splice multiple folding cabinets, thus meeting the different storage needs of users.

[0011] Preferably, the folding diaphragm cabinet described above further includes a first connecting member, a second connecting member, a third connecting member, a fourth connecting member, a fifth connecting member and a sixth connecting member, the support column includes a front support column and a rear support column, the upper bracket and the lower bracket are detachably connected by the second connecting member and the third connecting member respectively, the middle bracket is detachably connected by the first connecting member, the front upper bracket and the front lower bracket are detachably connected by the fourth connecting member and the fifth connecting member, the rear upper bracket, the rear lower bracket and the rear support column are detachably connected by the fourth connecting member and the sixth connecting member. The fourth connecting member is provided with a rotating shaft, and the first connecting member and the second connecting member are both provided with a rotating shaft hole and a connecting groove, and the rotating shaft hole is connected to the connecting groove; a shaft hole is provided at one end of the support column, the end of the support column is inserted into the connecting groove and the shaft hole is opposite to the rotating shaft hole, the rotating shaft passes through the rotating shaft hole and the shaft hole, and the support column rotates around the rotating shaft through the shaft hole; the first connecting member and the third connecting member are both provided with a disengagement groove, and the sixth connecting member and the front support column are provided with a plug connector, and the plug connector is inserted into the disengagement groove or withdrawn from the disengagement groove.

[0012] The plug-in cooperation of the plug connector and the ejection slot facilitates the rotation of the front upper bracket, the front lower bracket, the rear upper bracket and the rear lower bracket, further improving the convenience during folding; the modular assembly of the fixed steel pipe, the rotating steel pipe and the support column is realized through the first connecting member, the second connecting member, the third connecting member, the fourth connecting member and the sixth connecting member, which facilitates the transportation of the folding cabinet; the support column can be rotatably installed on the rotating shaft through the fourth connecting member, thereby reducing the number of required fixed structures and saving costs; the synchronous rotation function of the rear upper bracket, the rear lower bracket and the rear support column is realized through the fourth connecting member and the sixth connecting member, which facilitates the folding and storage of the back half of the folding cabinet.

[0013] Preferably, in the above-mentioned folding diaphragm cabinet, the support column includes a bare tube and an internal hollow reinforcement tube, the reinforcement tube is sleeved on the outside of the bare tube, and a clamping plate is provided on the reinforcement tube. The front upper bracket, middle bracket, lower bracket, front upper bracket, front lower bracket, rear upper bracket and rear lower bracket form a folding state and a use state. In the folding state, the front upper bracket and rear lower bracket are clamped on the middle bracket by the clamping plate, the front lower bracket is clamped on the lower bracket by the clamping plate, and the rear upper bracket is clamped on the upper bracket by the clamping plate, and the plug connector is withdrawn from the escape slot.

[0014] The support column is composed of bare pipes and reinforced pipes, which enhances the structural strength of the support column and further improves the load-bearing capacity of the folding cabinet; when in the folded state, the fixed steel pipe and the adjacent rotating steel pipe are easily clamped to each other through the clamping plate, which not only prevents the loss of the fixed steel pipe or the rotating steel pipe, but also improves the regularity of the fixed steel pipe and the rotating steel pipe when folded and stored, and at the same time can fold the folding cabinet into multiple modules, further facilitating the transportation of the folding cabinet.

[0015] Preferably, in the folding diaphragm cabinet described above, the width of the top end of the plug connector gradually decreases along the height direction toward the bottom end, and the escape groove is adapted to the shape of the plug connector.

[0016] The plug connector is in a shape with a large top and a small bottom. When in use, the plug connector is not easy to be separated from the escape groove along the height direction, which further improves the stability of the plug connector in the escape groove.

[0017] Preferably, in the folding diaphragm cabinet described above, the fifth connecting member and the sixth connecting member are provided with abutting grooves, and the inner side walls of the abutting grooves abut against the fixed steel pipes.

[0018] The setting of the tightening groove enhances the tightness between the fifth connecting member, the sixth connecting member and the fixed steel pipe, and improves the stability of the front upper bracket, the front lower bracket, the rear upper bracket and the rear lower bracket when they are in use.

[0019] Preferably, the folding diaphragm cabinet described above further comprises a plurality of partitions, which are detachably arranged between the upper bracket and the middle bracket, and between the middle bracket and the lower bracket.

[0020] The partitions can be used to divide the storage area, increase the number of storage areas for items, and facilitate the storage of items of different sizes.

[0021] Preferably, in the folding diaphragm cabinet described above, the four corners of the partition are detachably provided with fixings, the fixings are provided with U-shaped blocks, and the reinforcing tube is provided with a clearance groove, the U-shaped block is inserted into the clearance groove and clamped on the bare tube.

[0022] The partition and the bare pipe are snap-fitted together through the U-shaped block, which has the advantages of simple structure and easy installation. At the same time, the partition and the fixing parts support the support column, thereby improving the stability of the support column when in use; the movable space and hidden space of the U-shaped block are increased through the give way groove, thereby improving the flatness and aesthetics of the partition when installed through the U-shaped block.

[0023] Preferably, in the folding diaphragm cabinet described above, the U-shaped block and the fixing piece form a limiting step opening, the clamping plate is provided with a limiting step, and the limiting step is inserted into and clamped in the limiting step opening.

[0024] The clamping fit between the limiting step and the limiting step opening increases the contact area between the fixing piece and the clamping plate, thereby achieving support for the fixing piece and improving the stability of the partition when it is installed through the fixing piece. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 is a schematic diagram of the overall structure of the utility model after the short diaphragm on the front upper bracket is hidden;

[0026] Figure 2 is a schematic diagram of the structure of the utility model after the short diaphragm and the long diaphragm are hidden;

[0027] FIG3 is a schematic diagram of the structure of the utility model in a folded state;

[0028] Figure 4 is a schematic diagram of the structure of the front lower bracket folded on the lower bracket of the utility model;

[0029] FIG5 is an enlarged schematic diagram of point A in FIG4 ;

[0030] Figure 6 is a schematic diagram of the structure of the front upper bracket and the rear lower bracket folded on the middle bracket of the utility model;

[0031] FIG7 is a schematic diagram of the structure of the rear upper bracket folded on the upper bracket of the present invention;

[0032] FIG8 is an exploded schematic diagram of the rear support column and fixing member of the present invention;

[0033] FIG9 is a partial exploded schematic diagram of the fourth connecting member, the second connecting member and the rear support column of the present invention;

[0034] FIG10 is a partial exploded schematic diagram of the rear support column, the first connecting member, and the third connecting member of the present invention. DETAILED DESCRIPTION

[0035] The present invention will be further described in detail below with reference to the accompanying drawings 1-10 and specific embodiments, but they are not intended to limit the present invention.

[0036] Example 1

[0037] As shown in Figures 1 to 10, a folding diaphragm cabinet comprises a plurality of fixed steel pipes 1, rotating steel pipes 2 and support columns 3. The fixed steel pipe 1 is formed around an upper bracket 11, a middle bracket 12 and a lower bracket 13. The rotating steel pipe 2 is formed around a front upper bracket 21, a front lower bracket 22, a rear upper bracket 23 and a rear lower bracket 24. The upper end of the rear upper bracket 23 and the upper end of the rear lower bracket 24 are respectively rotatably arranged on the upper bracket 11 and the middle bracket 12. The lower end of the rear upper bracket 23 and the lower end of the rear lower bracket 24 are respectively pressed against the middle bracket 12 and the lower bracket 13. The lower end of the front upper bracket 21 and the lower end of the front lower bracket 22 are respectively rotatably arranged on the middle bracket 12 and the lower bracket 13. The upper end of the front upper bracket 21 The upper ends of the front and rear lower brackets 22 are respectively pressed against the upper bracket 11 and the middle bracket 12; the support column 3 connects the upper bracket 11, the middle bracket 12 and the lower bracket 13 from top to bottom, and one end of the support column 3 is rotatably set on the rotating steel pipe 2, and the other end of the support column 3 is detachably set on the fixed steel pipe 1; it also includes a plurality of short diaphragms 4 and long diaphragms 5, the short diaphragms 4 are sleeved on the upper bracket 11, the middle bracket 12, the lower bracket 13, the rear upper bracket 23, the rear lower bracket 24, the front upper bracket 21 and the front lower bracket 22, the long diaphragms 5 are distributed on the left and right sides of the middle bracket 12, and the two ends of the long diaphragm 5 are respectively sleeved on the upper bracket 11 and the lower bracket 13, and the short diaphragms 4 and the long diaphragms 5 are flexible diaphragms.

[0038] Preferably, the lower bracket 13 is provided with splicing holes 131 at the four corners, and the upper bracket 11 is provided with splicing feet 111 at the four corners. The splicing feet 111 are adapted to the shape of the splicing holes 131 and are inserted into the splicing holes 131 on the adjacent lower bracket 13.

[0039] Preferably, it also includes a first connecting member 61, a second connecting member 62, a third connecting member 63, a fourth connecting member 64, a fifth connecting member 65 and a sixth connecting member 66. The support column 3 includes a front support column 31 and a rear support column 32. The upper bracket 11 and the lower bracket 13 are detachably connected through the second connecting member 62 and the third connecting member 63 respectively. The middle bracket 12 is detachably connected through the first connecting member 61. The front upper bracket 21 and the front lower bracket 22 are detachably connected through the fourth connecting member 64 and the fifth connecting member 65. The rear upper bracket 23, the rear lower bracket 24 and the rear support column 32 are detachably connected through the fourth connecting member 64 and the sixth connecting member 66. The fourth connecting member 64 is provided with a rotating The movable shaft 641, the first connecting member 61 and the second connecting member 62 are both provided with a rotating shaft hole 600 and a connecting groove 602, and the rotating shaft hole 600 is connected to the connecting groove 602; the support column 3 is provided with an axis hole 30 at one end, the end of the support column 3 is inserted into the connecting groove 602 and the axis hole 30 is opposite to the rotating shaft hole 600, the rotating shaft 641 passes through the rotating shaft hole 600 and the axis hole 30, and the support column 3 rotates around the rotating shaft 641 through the axis hole 30; the first connecting member 61 and the third connecting member 63 are both provided with a disengagement groove 601, and the sixth connecting member 66 and the front support column 31 are provided with a plug connector 7, and the plug connector 7 is inserted into the disengagement groove 601 or withdrawn from the disengagement groove 601.

[0040] Preferably, the support column 3 includes a bare tube 33 and an internal hollow reinforcement tube 34, the reinforcement tube 34 is sleeved on the outside of the bare tube 33, and a clamping plate 341 is provided on the reinforcement tube 34. The front upper bracket 21, the middle bracket 12, the lower bracket 13, the front upper bracket 21, the front lower bracket 22, the rear upper bracket 23 and the rear lower bracket 24 form a folding state and a use state. In the folding state, the front upper bracket 21 and the rear lower bracket 24 are clamped on the middle bracket 12 through the clamping plate 341, the front lower bracket 22 is clamped on the lower bracket 13 through the clamping plate 341, and the rear upper bracket 23 is clamped on the upper bracket 11 through the clamping plate 341, and the plug connector 7 withdraws from the escape slot 601.

[0041] Preferably, the width of the top end of the plug connector 7 gradually decreases along the height direction toward the bottom end, and the escape groove 601 is adapted to the shape of the plug connector 7 .

[0042] Preferably, abutting grooves 603 are formed on the fifth connecting member 65 and the sixth connecting member 66 , and the inner side walls of the abutting grooves 603 abut against the fixed steel pipe 1 .

[0043] Preferably, a plurality of partitions 8 are further included, and the partitions 8 are detachably arranged between the upper bracket 11 and the middle bracket 12 , and between the middle bracket 12 and the lower bracket 13 .

[0044] Preferably, the partition 8 is provided with detachable fixing parts 9 at the four corners, and a U-shaped block 91 is provided on the fixing part 9. A clearance groove 342 is opened on the reinforcement tube 34, and the U-shaped block 91 is inserted into the clearance groove 342 and clamped on the bare tube 33.

[0045] Preferably, the U-shaped block 91 and the fixing member 9 form a limiting step opening 92 , and the clamping plate 341 is provided with a limiting step 343 , which is inserted into and clamped in the limiting step opening 92 .

[0046] Specifically, in the embodiment of the present application, as shown in Figures 1, 2, 9, and 10, the first connecting member 61, the second connecting member 62, and the third connecting member 63 are provided with fixing holes, into which the fixing steel pipe 1 is inserted and surrounds the upper bracket 11, the middle bracket 12, and the lower bracket 13, which are rectangular. The first connecting member 61 is distributed at the four corners of the middle bracket 12, the second connecting member 62 is distributed at the rear side of the upper bracket 11 and the front side of the lower bracket 13, and the third connecting member 63 is distributed at the front side of the upper bracket 11 and the rear side of the lower bracket 13.

[0047] More specifically, as shown in Figures 2, 9 and 10, when installing the support column 3, the fourth connecting member 64 and the first connecting member 61, the second connecting member 62 and the third connecting member 63, first insert one end of the support column 3 with the shaft hole 30 into the connecting groove 602 and make the shaft hole 30 face the rotating shaft hole 600, and the rotating shaft 641 is inserted into the shaft hole 30 and the rotating shaft hole 600. At this time, the installation of the support column 3 and the fourth connecting member 64 is completed.

[0048] In the embodiment of the present application, as shown in Figures 1-7, the fifth connecting member 65 is L-shaped and hollow inside, and the sixth connecting member 66 is Z-shaped and hollow inside. The fifth connecting member 65 is located at the upper corners of the front upper bracket 21 and the front lower bracket 22, and the sixth connecting member 66 is located at the lower corners of the rear upper bracket 23 and the rear lower bracket 24. The fifth connecting member 65 enables the front support column 31 and the front upper bracket 21 and the front lower bracket 22 to rotate independently of each other, thereby allowing the front upper bracket 21 and the front lower bracket 22 to function as cabinet doors. When it is necessary to take items, the upper end of the front upper bracket 21 or the front lower bracket 22 is pulled outward, and the folding cabinet can be opened to take out the items.

[0049] More specifically, when installing the partition 8, as shown in Figures 2 and 8, first align the U-shaped block 91 with the clearance groove 342, then push the partition 8 inward until the U-shaped block 91 is clamped on the bare pipe 33, and then move the partition 8 downward until the limit step 343 is against the limit step opening 92. At this time, the installation of the partition 8 is completed.

[0050] More specifically, when the folding cabinet diaphragm cabinet needs to be stored, as shown in Figures 1 to 3, first drag the partition 8 upward and then pull the partition 8 outward, then push the front upper bracket 21, the front lower bracket 22, the rear upper bracket 23, the rear lower bracket 24 and the support column 3 inward to a horizontal position. At this time, the long diaphragm 5 automatically bends, thereby completing the folding storage of the folding diaphragm cabinet.

[0051] In short, the above description is only a preferred embodiment of the present invention, and all equivalent changes and modifications made within the scope of the patent application for the present invention should fall within the scope of the present invention.

Claims

1. A folding diaphragm cabinet, characterized in that: It includes a plurality of fixed steel pipes (1), rotating steel pipes (2) and support columns (3). The fixed steel pipes (1) form an upper support (11), a middle support (12) and a lower support (13) around. The rotating steel pipes (2) form a front upper support (21), a front lower support (22), a rear upper support (23) and a rear lower support (24) around. The upper ends of the rear upper support (23) and the rear lower support (24) are respectively rotatably arranged on the upper support (11) and the middle support (12). The lower ends of the rear upper support (23) and the rear lower support (24) are respectively abutted against the middle support (12) and the lower support (13). The lower ends of the front upper support (21) and the front lower support (22) are respectively rotatably arranged on the middle support (12) and the lower support (13). The upper ends of the front upper support (21) and the front lower support (22) are respectively abutted against the upper support (11) and the middle support (12). The support column (3) connects the upper support (11), the middle support (12) and the lower support (13) in the up-down direction. One end of the support column (3) is rotatably arranged on the rotating steel pipe (2), and the other end of the support column (3) is detachably arranged on the fixed steel pipe (1). It further includes a plurality of short diaphragms (4) and long diaphragms (5). The short diaphragms (4) are sleeved on the upper support (11), the middle support (12), the lower support (13), the rear upper support (23), the rear lower support (24), the front upper support (21) and the front lower support (22). The long diaphragms (5) are distributed on both left and right sides of the middle support (12). Both ends of the long diaphragms (5) are respectively sleeved on the upper support (11) and the lower support (13). The short diaphragms (4) and the long diaphragms (5) are flexible diaphragms.

2. The folding diaphragm cabinet according to claim 1, wherein: Splicing holes (131) are formed at the four corners of the lower support (13). Splicing feet (111) are arranged at the four corners of the upper support (11). The shapes of the splicing feet (111) and the splicing holes (131) are adapted to each other. The splicing feet (111) are inserted into the splicing holes (131) on the adjacent lower support (13).

3. A folding diaphragm cabinet according to claim 1, characterized in that: It also includes a first connecting member (61), a second connecting member (62), a third connecting member (63), a fourth connecting member (64), a fifth connecting member (65) and a sixth connecting member (66). The support column (3) includes a front support column (31) and a rear support column (32). The upper bracket (11) and the lower bracket (13) are detachably connected through the second connecting member (62) and the third connecting member (63) respectively. The middle bracket (12) is detachably connected through the first connecting member (61). The front upper bracket (21) and the front lower bracket (22) are detachably connected through the fourth connecting member (64) and the fifth connecting member (65). The rear upper bracket (23), the rear lower bracket (24) and the rear support column (32) are detachably connected through the fourth connecting member (64) and the sixth connecting member (66). A rotating shaft (641) is provided on the fourth connecting member (64). Rotating shaft holes (600) and connecting grooves (602) are formed on both the first connecting member (61) and the second connecting member (62). The rotating shaft holes (600) communicate with the connecting grooves (602). A winding shaft hole (30) is formed at one end of the support column (3). The end of the support column (3) is inserted into the connecting groove (602), and the winding shaft hole (30) is aligned with the rotating shaft hole (600). The rotating shaft (641) passes through the rotating shaft hole (600) and the winding shaft hole (30). The support column (3) rotates around the rotating shaft (641) through the winding shaft hole (30). Escape grooves (601) are formed on both the first connecting member (61) and the third connecting member (63). Plug connectors (7) are provided on the sixth connecting member (66) and the front support column (31). The plug connectors (7) are inserted into the escape grooves (601) or withdrawn from the escape grooves (601).

4. A folding diaphragm cabinet according to claim 3, characterized in that: The support column (3) includes a bare pipe (33) and a reinforcing pipe (34) with a hollow interior. The reinforcing pipe (34) is sleeved outside the bare pipe (33). A clamping plate (341) is provided on the reinforcing pipe (34). The front upper bracket (21), the middle bracket (12), the lower bracket (13), the front upper bracket (21), the front lower bracket (22), the rear upper bracket (23) and the rear lower bracket (24) form a folded state and a use state. In the folded state, the front upper bracket (21) and the rear lower bracket (24) are clamped on the middle bracket (12) through the clamping plate (341). The front lower bracket (22) is clamped on the lower bracket (13) through the clamping plate (341). The rear upper bracket (23) is clamped on the upper bracket (11) through the clamping plate (341). The plug connectors (7) are withdrawn from the escape grooves (601).

5. The folding diaphragm cabinet according to claim 3, wherein: The width of the top end of the plug connector (7) gradually decreases in the height direction towards the bottom end. The escape groove (601) is adapted to the shape of the plug connector (7).

6. A foldable diaphragm cabinet according to claim 3, characterized in that: Tightening grooves (603) are formed on the fifth connecting member (65) and the sixth connecting member (66). The inner side walls of the tightening grooves (603) abut against the fixed steel pipe (1).

7. A folding diaphragm cabinet according to claim 4, characterized in that: It also includes a plurality of partitions (8), wherein the partitions (8) are detachably arranged between the upper bracket (11) and the middle bracket (12), and between the middle bracket (12) and the lower bracket (13).

8. A folding diaphragm cabinet according to claim 7, wherein: The four corners of the partition (8) are detachably provided with fixing members (9), the fixing members (9) are provided with U-shaped blocks (91), the reinforcing tube (34) is provided with a clearance groove (342), the U-shaped block (91) is inserted into the clearance groove (342) and clamped on the bare tube (33).

9. The folding diaphragm cabinet according to claim 8, wherein: The U-shaped block (91) and the fixing member (9) form a limiting step opening (92); a limiting step (343) is provided on the clamping plate (341); and the limiting step (343) is inserted into and clamped in the limiting step opening (92).

Images