Hollow aluminum profile structure

Abstract

The utility model belongs to the technical field of aluminum profiles, and particularly relates to a hollow aluminum profile structure. The hollow aluminum profile structure comprises hollow profiles and a connecting assembly, the connecting assembly is connected to the hollow profiles, a plurality of connecting grooves are formed in the hollow profiles, and the connecting assembly is used for assembling the multiple hollow profiles; the utility model provides a hollow aluminum profile structure to solve the problem that in the prior art, no gripper tool frame which is high in strength, high in flexibility degree and high in light weight degree exists in an existing gripper tool frame machined and produced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to aluminum profile field, concretely relates to hollow aluminum profile structure. BACKGROUND

[0002] With the increasing demand and importance of social automobile products, the automation degree of automobile body-in-white welding production line is also improved, and the basic concept is high flexibility, high density and light weight.

[0003] In the body-in-white welding automation line, the mechanical arm is loaded with various tools, among which the gripper tool is the main tool for carrying the body parts, and often bears a huge workload; carrying the body parts, grabbing the parts for gluing operation, repair welding operation, etc.; in response to these operation environments, designers have designed various frame forms of grippers, and the existing gripper tools on the market are generally divided into welded frame form gripper tools and octagonal tube frame form gripper tools.

[0004] The existing welded frame form gripper tool has the characteristics of high strength, but the overall weight is large, the robot running speed is limited, and once there is processing demand after processing is completed, the whole can only be disassembled or directly discarded; the octagonal tube frame form gripper tool has the characteristics of high lightweight degree, but the strength is relatively low, more materials are needed to reinforce the frame in the frame design, resulting in a relatively complex installation process, and the overall size of the gripper tool will increase to a certain extent, which will affect the production efficiency and debugging difficulty in actual debugging; there is no gripper tool frame in the existing machining production that has high strength, high flexibility and high lightweight degree. INVENTION CONTENTS

[0005] In order to overcome the shortcomings of the prior art, the utility model provides a hollow aluminum profile structure to solve the problem that there is no gripper tool frame in the existing machining production that has high strength, high flexibility and high lightweight degree.

[0006] One scheme of the utility model provides a hollow aluminum profile structure, which comprises:

[0007] The hollow profile and the connecting assembly are connected, a plurality of connecting grooves are arranged on the hollow profile, and the connecting assembly is used for assembling a plurality of hollow profiles.

[0008] It should be noted that the connecting assembly includes a mounting structure matched with the connecting groove, when assembling a plurality of hollow profiles, a plurality of hollow profiles can be assembled according to the demand of the target gripper tool frame by the connecting assembly connected to the hollow profile, the connecting groove on the other hollow profile, and finally the hollow profile is fastened by screws or other detachable fasteners, and the target gripper tool frame is obtained.

[0009] It should be noted that when installing and fastening the hollow profiles using detachable fasteners such as screws, corresponding components or structures for installing the detachable fasteners such as screws are provided on the connecting assembly and the hollow profiles, such as screw positioning holes; specifically, positioning holes with the same hole diameter are provided on the connecting assembly and the hollow profiles to cooperate with the detachable fasteners such as screws to install and fasten the hollow profiles, thereby ensuring the connection strength between the hollow profiles.

[0010] In this scheme, multiple hollow profiles can be assembled by using the connecting assembly according to the requirements of the target gripper tool frame, by installing the mounting structure on the connecting assembly into the connecting groove on the hollow profile and pushing it to the target position, and finally fixing the connecting assembly to complete the assembly of multiple hollow profiles. When the target gripper tool frame structure needs to be changed, the original gripper tool frame can be directly disassembled into multiple hollow profiles and reassembled according to the new target gripper tool frame. This scheme has the characteristics of high strength, high flexibility, and high lightweight degree compared with the existing gripper tool frame.

[0011] In one of the schemes, the hollow profile includes a square profile with a hollow middle part and a square combined profile composed of multiple connecting profiles with hollow middle parts.

[0012] In this scheme, the square profile and the connecting profile are both designed as hollow structures in the middle part, which can effectively reduce the weight of the square profile and the connecting profile and improve the overall lightweight degree of the hollow profile. The square shape of the square profile and the square combined profile refers to the cross-sectional shape of the two profiles, which is designed as a square shape to facilitate assembly with other square combined profiles.

[0013] In one of the schemes, the square profile is located in the middle part of the square combined profile, and multiple connecting profiles are connected to the square profile and located on the side part of the square combined profile.

[0014] In one of the schemes, two adjacent connecting profiles and the square profile jointly form the connecting groove.

[0015] It should be noted that multiple connecting profiles are specifically connected to the side part of the square profile, and two adjacent connecting profiles and the surface of the square profile jointly form the connecting groove, that is, four connecting profiles are respectively connected to the corners of the cross-sectional view of the square profile.

[0016] In this scheme, the square profile and the connecting profile are thus arranged, which can provide the square profile surface with a connecting groove without adding other external structures, and the assembly of multiple square combined profiles can be completed through the cooperation of the connecting groove and the connecting assembly.

[0017] In one of the schemes, the hollow profile further comprises a rectangular profile with a hollow middle part, a square profile and a connecting profile combined to form a rectangular combined profile.

[0018] In the scheme, the rectangular profile, the square profile and the connecting profile are all profiles of a hollow middle plate, which can effectively reduce the weight of the square profile and the connecting profile and improve the overall lightweight degree of the hollow profile; the rectangular profile, the square profile and the connecting profile are all hollow structures, which can effectively reduce the lightweight degree of the rectangular profile, the square profile and the connecting profile; the rectangular profile and the rectangle in the rectangular combined profile refer to the cross-sectional shape of the two profiles, which is designed to be rectangular to facilitate assembly with other rectangular combined profiles.

[0019] In one of the schemes, the rectangular profile is located in the middle of the rectangular combined profile, the square profile is connected to the rectangular profile, and the connecting profile is connected to the square profile.

[0020] In one of the schemes, two adjacent connecting profiles, together with the rectangular profile or the square profile, form the connecting groove.

[0021] It should be noted that the square profile is specifically connected to the upper and lower rectangular profiles, the connecting profile is specifically connected to the upper corner of the upper square profile and the lower corner of the lower square profile, and two adjacent connecting profiles, together with the rectangular profile or the square profile, form the connecting groove, i.e. four connecting profiles are connected to the corner sides of the cross-sectional view of the rectangular combined profile.

[0022] In the scheme, the square profile, the rectangular profile and the connecting profile are arranged in this way, which can provide the rectangular profile surface with a connecting groove without adding other external structures, and the assembly of multiple rectangular combined profiles can be completed through the cooperation of the connecting groove and the connecting assembly.

[0023] In one of the schemes, the connecting assembly comprises a connecting body and a sliding piece, the sliding piece is installed on the connecting body, one end of the sliding piece extends out of the connecting body, the extending end of the sliding piece is adapted to the connecting groove, and the sliding piece cooperates with the connecting groove to realize the assembly of multiple hollow profiles.

[0024] It should be noted that the sliding piece specifically comprises a screw and a T-shaped nut, the extending end of the screw is a T-shaped nut connected with the screw thread, and the T-shaped nut is a T-shaped structure adapted to the connecting groove.

[0025] In the scheme, the connecting assembly can be freely moved in the connecting groove by the slide installed on the connecting body, and after reaching the target position, the fastening can be installed by using the detachable fastener such as screw; when it is needed to change the installation position of the connecting assembly, the detachable fastener such as screw can be directly disassembled, and the slide is pushed to move again to the new target position in the connecting groove, and then the fastening can be installed again by using the detachable fastener such as screw.

[0026] In one of the schemes, the connecting body comprises a first connecting surface and a second connecting surface, and the first connecting surface and the second connecting surface are connected to different hollow profiles respectively.

[0027] In one of the schemes, the hollow profiles and the connecting assembly are provided with positioning holes, and the positioning holes are used to install other external equipment or connecting structure.

[0028] It should be noted that the connecting body can drive the hollow profile connected to the first connecting surface to slide relative to the hollow profile connected to the second connecting surface, or drive the hollow profile connected to the second connecting surface to slide relative to the hollow profile connected to the first connecting surface, or fix the hollow profiles connected to the first connecting surface and the second connecting surface under the cooperation of the slide and the connecting groove.

[0029] It should be noted that the driving mechanism for driving the hollow profile to slide is a driving mechanism loaded on the tool frame of the gripper or an externally connected driving mechanism, and the driving mechanism drives the corresponding connecting assembly to move along the connecting groove according to the actual processing flow requirements, so as to drive the corresponding hollow profile to move.

[0030] In the scheme, when the connecting assembly is installed, the hollow profiles that need to be moved and the hollow profiles that need to be fixed can be determined according to the requirements of the target gripper tool frame, and the multiple hollow profiles can be assembled into the tool frame of the gripper by cooperating the positioning holes on the connecting assembly and the hollow profiles with the detachable fastener such as screw. BRIEF DESCRIPTION OF DRAWINGS

[0031] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained according to the structures shown in these drawings without creative labor for those skilled in the art.

[0032] Figure 1 The cross-sectional view and the front view of the hollow aluminum profile structure of the present application are shown;

[0033] Figure 2 The structure schematic view of embodiment 1 in the present application is shown;

[0034] Figure 3 is a structural schematic view of the embodiment 2 in the utility model;

[0035] Figure 4 is a structural schematic view of the embodiment 3 in the utility model;

[0036] Figure 5 is a structural schematic view of the embodiment 4 in the utility model;

[0037] Figure 6 is a structural schematic view of the connecting assembly in the utility model.

[0038] Wherein, 1, hollow section; 11, square combined section; 111, square section; 12, connecting section; 13, rectangular combined section; 131, rectangular section; 14, connecting groove; 2, connecting assembly; 21, connecting main body; 211, first connecting surface; 212, second connecting surface; 22, sliding part; 221, screw; 222, T-shaped nut; 3, positioning hole; 4, first square combined section; 5, second square combined section; 6, first rectangular combined section; 7, second rectangular combined section. DETAILED DESCRIPTION

[0039] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0040] It should be noted that if the embodiments of the utility model involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement condition, etc. between components in a certain posture, and if the certain posture changes, the directional indications also change accordingly.

[0041] In addition, if the description of "first", "second" and the like is involved in the embodiments of the utility model, the description of "first", "second" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included at least one of the features. In addition, if "and / or" or "and / or" appears throughout the text, it means that the three parallel schemes are included, for example, "A and / or B" includes A scheme, or B scheme, or A and B scheme. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the utility model.

[0042] Please refer to Figures 1-6 In one embodiment, a hollow aluminum profile structure is provided, comprising:

[0043] The hollow profile 1 and the connecting assembly 2 are connected to the hollow profile 1, and the hollow profile 1 is provided with a plurality of connecting grooves 14, and the connecting assembly 2 is used to assemble a plurality of hollow profiles 1.

[0044] It should be noted that the connecting assembly 2 includes a mounting structure that matches the connecting groove 14, and when assembling a plurality of hollow profiles 1, the connecting assembly 2 connected to the hollow profile 1 can be used to assemble a plurality of hollow profiles 1 according to the requirements of the target gripper tool frame, and the connecting groove 14 on the other hollow profile 1 can be used to assemble a plurality of hollow profiles 1, and finally the hollow profile 1 can be installed and fastened by using screws 221 and other detachable fasteners, so that the target gripper tool frame can be obtained.

[0045] It should be noted that when the hollow profile 1 is installed and fastened by using screws 221 and other detachable fasteners, the connecting assembly 2 and the hollow profile 1 are provided with corresponding components or structures for installing screws 221 and other detachable fasteners, such as positioning holes 3 matched with screws 221; specifically, the same diameter positioning holes 3 are provided on the connecting assembly 2 and the hollow profile 1 to cooperate with the screws 221 and other detachable fasteners to install and fasten the hollow profile 1, so as to ensure the connection strength between the hollow profiles 1.

[0046] In the scheme, according to the requirements of the target gripper tool frame, the hollow profiles 1 can be assembled by connecting components 2. By installing the mounting structure on the connecting component 2 into the connecting groove 14 on the hollow profile 1 and pushing it to the target position, the assembly of the hollow profiles 1 can be completed by fixing the connecting component 2. When the target gripper tool frame structure needs to be changed, the original gripper tool frame can be directly disassembled into multiple hollow profiles 1 and reassembled according to the new target gripper tool frame. Compared with the existing gripper tool frame, the scheme has the characteristics of high strength, high flexibility and high lightweight degree.

[0047] In one of the schemes, the hollow profile 1 includes a square profile 111 with a hollow middle part and a square combined profile 11 composed of multiple connecting profiles 12 with hollow middle parts.

[0048] In the scheme, the square profile 111 and the connecting profile 12 are designed as hollow structures in the middle part, which can effectively reduce the weight of the square profile 111 and the connecting profile 12, and improve the lightweight degree of the hollow profile 1 as a whole. The square of the square profile 111 and the square combined profile 11 refers to the cross-sectional shape of the two profiles being square. Designing as square is convenient for assembling with other square combined profiles 11 or other types of profiles.

[0049] In one of the schemes, the square profile 111 is located in the middle part of the square combined profile 11, and multiple connecting profiles 12 are connected to the square profile 111 and located on the side of the square combined profile 11.

[0050] In one of the schemes, two adjacent connecting profiles 12 and the square profile 111 together form the connecting groove 14.

[0051] It should be noted that the multiple connecting profiles 12 are connected to the side of the square profile 111, and the surfaces of the two adjacent connecting profiles 12 and the square profile 111 together form the connecting groove 14, that is, four connecting profiles 12 are connected to the corners of the cross-sectional view of the square profile 111.

[0052] In the scheme, the square profile 111 and the connecting profile 12 are arranged in this way, which can make the surface of the square profile 111 have the connecting groove 14 without adding other external structures, and the assembly of multiple square combined profiles 11 can be completed through the cooperation of the connecting groove 14 and the connecting component 2.

[0053] In one of the schemes, the hollow profile 1 further includes a rectangular profile 131 with a hollow middle part, the square profile 111 and the connecting profile 12 combined to form a rectangular combined profile 13.

[0054] In the scheme, the rectangular profile 131, the square profile 111 and the connecting profile 12 are all profiles of the middle hollow plate, which can effectively reduce the weight of the square profile 111 and the connecting profile 12 and improve the lightweight degree of the hollow profile 1 as a whole; the rectangular profile 131, the square profile 111 and the connecting profile 12 are all hollow structures, which can effectively reduce the lightweight degree of the square profile 111 and the connecting profile 12; the rectangular profile 131 and the rectangular combined profile 13 are both rectangular in cross-section, which is convenient for assembling with other rectangular combined profiles 13.

[0055] In one of the schemes, the rectangular profile 131 is located in the middle of the rectangular combined profile 13, the square profile 111 is connected to the rectangular profile 131, and the connecting profile 12 is connected to the square profile 111.

[0056] In one of the schemes, two adjacent connecting profiles 12, together with the rectangular profile 131 or the square profile 111, form the connecting groove 14.

[0057] It should be noted that the square profile 111 is specifically connected to the upper and lower sides of the rectangular profile 131, the connecting profile 12 is specifically connected to the upper corner of the upper square profile 111 and the lower corner of the lower square profile 111, and two adjacent connecting profiles 12, together with the rectangular profile 131 or the square profile 111, form the connecting groove 14, i.e. four connecting profiles 12 are connected to the corner sides of the cross-sectional view of the rectangular combined profile 13.

[0058] In the scheme, the square profile 111, the rectangular profile 131 and the connecting profile 12 are arranged in this way, which can make the surface of the rectangular profile 131 have the connecting groove 14 without adding other external structures, and the assembly of multiple rectangular combined profiles 13 can be completed through the cooperation of the connecting groove 14 and the connecting assembly 2.

[0059] In one of the schemes, the connecting assembly 2 includes a connecting body 21 and a sliding piece 22, the sliding piece 22 is installed on the connecting body 21, one end of the sliding piece 22 extends out of the connecting body 21, the extending end of the sliding piece 22 is adapted to the connecting groove 14, and the sliding piece 22 cooperates with the connecting groove 14 to realize the assembly of multiple hollow profiles 1.

[0060] It should be noted that the sliding piece 22 specifically includes a screw 221 and a T-shaped nut 222, the extending end of the screw 221 is the T-shaped nut 222 connected with the screw 221 by screwing, and the T-shaped nut 222 is a T-shaped structure adapted to the connecting groove 14.

[0061] In the present scheme, the connecting assembly 2 can be freely moved in the connecting groove 14 by the slide 22 installed on the connecting body 21, and after reaching the target position, it can be installed and fastened by using the detachable fastener such as screw 221; when it is necessary to change the installation position of the connecting assembly 2, the detachable fastener such as screw 221 can be directly disassembled, and the slide 22 can be pushed to move again to a new target position in the connecting groove 14, and then the detachable fastener such as screw 221 can be used again for installation and fastening.

[0062] In one of the schemes, the connecting body 21 includes a first connecting surface 211 and a second connecting surface 212, and the first connecting surface 211 and the second connecting surface 212 are connected to different hollow profiles 1 respectively.

[0063] In one of the schemes, the hollow profile 1 and the connecting assembly 2 are both provided with a positioning hole 3, and the positioning hole 3 is used for installing other external equipment or connecting structure.

[0064] It should be noted that the connecting body 21, under the cooperation of the slide 22 and the connecting groove 14, can drive the hollow profile 1 connected to the first connecting surface 211 to slide relative to the hollow profile 1 connected to the second connecting surface 212, or drive the hollow profile 1 connected to the second connecting surface 212 to slide relative to the hollow profile 1 connected to the first connecting surface 211, or fix the hollow profiles 1 connected to the first connecting surface 211 and the second connecting surface 212.

[0065] It should be noted that the driving mechanism for driving the hollow profile 1 to slide is a driving mechanism loaded on the gripper tool frame or an externally connected driving mechanism, and the driving mechanism drives the corresponding connecting assembly 2 to move along the connecting groove 14 according to the actual processing flow requirements, so as to drive the corresponding hollow profile 1 to move.

[0066] It should be noted that the connecting assembly 2 installed on the square combined profile 11 and the rectangular combined profile 13 has a size corresponding to the size of the square combined profile 11 and the rectangular combined profile 13 respectively, and the extension end of the slide 22 in the corresponding connecting assembly 2 corresponds to the position of the connecting groove 14 on the square combined profile 11 and the rectangular combined profile 13.

[0067] In the present scheme, when installing the connecting assembly 2, the hollow profiles 1 that need to be moved and the hollow profiles 1 that need to be fixed can be determined according to the requirements of the target gripper tool frame, and a plurality of hollow profiles 1 can be assembled into a gripper tool frame by cooperating the positioning hole 3 on the connecting assembly 2 and the hollow profile 1 with the detachable fastener such as screw 221.

[0068] Preferably, three kinds of basic structures of the gripper tool frame assembly are provided as follows:

[0069] Embodiment 1

[0070] As Figure 2 , the second square combined section bar 5 is horizontally placed, the first square combined section bar 4 is vertically connected to the side of the second square combined section bar 5, the side of the first square combined section bar 4 is connected to the side of the second square combined section bar 5 through the connecting assembly 2, specifically, the side of the first square combined section bar 4 is connected to the first connecting surface 211 of the connecting body 21, the second connecting surface 212 of the connecting body 21 is connected to the side of the second square combined section bar 5, the side of the first square combined section bar 4 and the first connecting surface 211 are fixedly connected through the cooperation of the positioning hole 3 and the screw 221, the extending end of the sliding piece 22 on the first connecting surface 211 is located in the connecting groove 14 of the side of the first square combined section bar 4, and the extending end of the sliding piece 22 on the second connecting surface 212 is slidingly connected in the connecting groove 14 of the side of the second square combined section bar 5.

[0071] In this embodiment, the first square combined section bar 4 can stably horizontally slide on the side of the second square combined section bar 5.

[0072] Embodiment 2

[0073] As Figure 3 , the second square combined section bar 5 is horizontally placed, the first square combined section bar 4 is horizontally connected to the side of the second square combined section bar 5, the side of the first square combined section bar 4 is connected to the side of the second square combined section bar 5 through the connecting assembly 2, specifically, the side of the first square combined section bar 4 is connected to the first connecting surface 211 of the connecting body 21, the second connecting surface 212 of the connecting body 21 is connected to the side of the second square combined section bar 5, the extending end of the sliding piece 22 on the first connecting surface 211 is located in the connecting groove 14 of the side of the first square combined section bar 4, the extending end of the sliding piece 22 on the second connecting surface 212 is located in the connecting groove 14 of the side of the second square combined section bar 5, and the side of the second square combined section bar 5 and the second connecting surface 212 are fixedly connected through the cooperation of the positioning hole 3 and the screw 221.

[0074] In this embodiment, the second square combined section bar 5 can stably horizontally slide on the side of the first square combined section bar 4.

[0075] Embodiment 3

[0076] As Figure 4, the second rectangular combined section 7 is horizontally placed, the first rectangular combined section 6 is vertically connected to the side of the second rectangular combined section 7, the side of the first rectangular combined section 6 is connected to the side of the second rectangular combined section 7 through the connecting assembly 2, specifically, the side of the first rectangular combined section 6 is connected to the first connecting surface 211 of the connecting body 21, the second connecting surface 212 of the connecting body 21 is connected to the side of the second rectangular combined section 7, the side of the first rectangular combined section 6 and the first connecting surface 211 are fixedly connected through the cooperation of the positioning hole 3 and the screw 221, the extending end of the sliding piece 22 on the first connecting surface 211 is located in the connecting groove 14 of the side of the first rectangular combined section 6, and the extending end of the sliding piece 22 on the second connecting surface 212 is slidingly connected in the connecting groove 14 of the side of the second rectangular combined section 7.

[0077] In this embodiment, the first rectangular combined section 6 can stably horizontally slide on the side of the second rectangular combined section 7.

[0078] Preferably, one of the following is provided:

[0079] Embodiment 4

[0080] As Figure 5 , the plurality of square combined sections 11 are assembled into an I-shaped grab tool frame through the connecting assembly 2, and the positioning and clamping module and the clamping module are loaded on the grab tool frame.

[0081] In this embodiment, the user can directly disassemble the connecting assembly 2 according to the target vehicle body grabbing requirement, directly install the connecting assembly 2 after adjusting the installation position of the corresponding hollow section 1 to the target position, and realize the quick disassembly and assembly of each module at any position on the grab tool frame without processing.

[0082] The above only describes the preferred embodiments of the present application, and does not limit the patent range of the present application, and any equivalent structural transformation made by using the contents of the present application specification and drawings, or direct / indirect application in other related technical fields is included in the patent protection range of the present application.

Claims

1. A hollow aluminium profile construction, c h a r a c t e r i s e d in that The hollow aluminum profile structure comprises: a hollow profile and a connecting assembly connected to the hollow profile, the hollow profile being provided with a plurality of connecting grooves, and the connecting assembly being used for assembling the plurality of hollow profiles.

2. The hollow aluminum structural shape of claim 1, wherein, The hollow profile comprises a square profile with a hollow middle part and a square combined profile composed of a plurality of connecting profiles with hollow middle parts.

3. The hollow aluminum structural shape of claim 2, wherein, The square profile is located in the middle part of the square combined profile, and the plurality of connecting profiles are connected to the square profile and located in the side part of the square combined profile.

4. The hollow aluminum structural shape of claim 3, wherein, Two adjacent connecting profiles and the square profile jointly form the connecting groove.

5. The hollow aluminum structural shape of claim 2, wherein, The hollow profile further comprises a rectangular profile with a hollow middle part, the square profile and the connecting profile, which form a rectangular combined profile.

6. The hollow aluminum structural shape of claim 5, wherein, The rectangular profile is located in the middle part of the rectangular combined profile, the square profile is connected to the rectangular profile, and the connecting profile is connected to the square profile.

7. The hollow aluminum structural shape of claim 6, wherein, Two adjacent connecting profiles and the rectangular profile or the square profile jointly form the connecting groove.

8. Hollow aluminum profile construction according to claim 1 or 2 or 5, characterized in that The connecting assembly comprises a connecting body and a sliding piece, the sliding piece is installed on the connecting body, one end of the sliding piece extends from the connecting body, the extending end of the sliding piece is adapted to the connecting groove, and the sliding piece and the connecting groove are matched to realize the assembly of the plurality of hollow profiles.

9. The hollow aluminum structural shape of claim 8, wherein, The connecting body comprises a first connecting surface and a second connecting surface, the first connecting surface and the second connecting surface are respectively connected to different hollow profiles.

10. The hollow aluminum structural shape of claim 1 wherein, Positioning holes are provided on the hollow profile and the connecting assembly, and the positioning holes are used for installing other external equipment or connecting structures.

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