3D architectural design management system based on BIM and VR

Abstract

The present invention relates to the technical field of three-dimensional building design management, in particular to a three-dimensional building design management system based on BIM and VR, the three-dimensional building design management system of BIM and VR comprising: a data conversion interface and a protective part, including a plug-in part and a dustproof part; the beneficial effect is: by pressing a plug-in button, the fixing slots are contacted in pairs, a protective plug-in block and a plug-in limit block enter the plug-in slot, the data conversion interface is connected to the surface of a BIM center server, the data conversion interface drives the protective plug-in block to move toward the plug-in top holding block through the protective fixed block, the plug-in limit block presses the plug-in top holding block into the plug-in top holding slot, and when the data conversion interface is connected, the plug-in button is released, the plug-in limit block enters the plug-in limit slot to limit and fix the protective plug-in block, the plug-in top holding spring holds the plug-in top holding block to contact the plug-in limit block, and prevents the plug-in limit block from falling off from the plug-in limit slot, thereby preventing the data conversion interface from falling off the BIM center server.

Description

Technical Field

[0001] The present invention relates to the technical field of three-dimensional building design management, and in particular to a three-dimensional building design management system based on BIM and VR. Background Art

[0002] Building Information Model (BIM) is a model that uses the relevant information data of the construction project as the basis of the model to build the building model, and simulates the real information of the building through digital information simulation. It has the characteristics of visualization, coordination, simulation, optimization and optimization.

[0003] The main function of the existing BIM combined with VR experience is to complement and integrate the advantages of BIM technology throughout the entire process of BIM technology implementation, seamlessly integrate BIM model results, and naturally connect to the current mainstream virtual reality equipment without tedious model processing and software development, forming a new set of practical technical solutions. From the scheme stage to the design stage to the construction stage and then to the later operation and maintenance stage, no matter which stage the project is in, all parties involved in the project can use BIM+VR to experience the effect of the actual implementation of the unfinished project, so that many problems can be considered and modified in advance, effectively avoiding waste of resources and ensuring that the project can be completed efficiently and with high quality at all stages.

[0004] The current VR interactive display device is connected to the BIM center server through a data conversion interface, that is, the VR interactive display device can directly retrieve the visualization data in the BIM center server through the data conversion interface. However, during the connection process, due to external force or loose connection, the data conversion interface will fall off from the surface of the BIM center server, thereby affecting the use of the VR interactive display device. Summary of the invention

[0005] The purpose of the present invention is to provide a three-dimensional building design management system based on BIM and VR to solve the problem of data conversion interface falling off of VR interactive display equipment.

[0006] To achieve the above object, the present invention provides the following technical solutions:

[0007] A three-dimensional building design management system based on BIM and VR, wherein the three-dimensional building design management system based on BIM and VR includes:

[0008] Data conversion interface, one end of which is connected to the VR interactive display device and the other end is connected to the BIM center server; and

[0009] The protective component includes a plug-in component and a dust-proof component. The plug-in component is arranged on the surface of the data conversion interface, and the dust-proof component is arranged on the surface of the plug-in component. The plug-in component includes a protective fixing block, a fixing groove formed on the surface of the protective fixing block, a protective plug-in block arranged inside the fixing groove, a plug-in groove, a plug-in limiting groove, a plug-in limiting block, a plug-in pushing component, a plug-in pressing component, and a plug-in limiting component. The protective fixing block is fixed on the upper and lower surfaces of the data conversion interface and has an "L"-shaped structure. The fixing groove is formed on the surface of the protective fixing block close to one end of the BIM central server. The plug-in groove is formed on the surface of the BIM central server and is correspondingly arranged with the fixing groove. The plug-in limiting groove is formed on the two side surfaces of the plug-in groove. The plug-in limiting block is fixed on the surface of the protective plug-in block, and the plug-in limiting block cooperates with the plug-in limiting groove to limit and fix the protective plug-in block, thereby preventing the data conversion interface from falling off.

[0010] Preferably, there are two groups of the protective fixing blocks, and both have an "L"-shaped structure and are located on the upper and lower surfaces of the data conversion interface. There are multiple groups of the protective plug-in blocks, and two groups of the protective plug-in blocks are arranged inside one fixing groove. The plug-in limiting blocks are arranged on the outer ends of the protective plug-in blocks. The cross-sections of the plug-in limiting blocks and the plug-in limiting grooves are both right-angled triangle-shaped structures, and the plug-in limiting blocks on the surfaces of the two groups of the protective plug-in blocks are arranged separately.

[0011] Preferably, the plug-in pushing component includes a plug-in pushing spring, a plug-in pushing groove connected to one end of the plug-in pushing spring, and a plug-in pushing block connected to the other end. The plug-in pushing groove is formed on the innermost surfaces of the plug-in limiting groove and the plug-in groove. The width of the plug-in pushing groove is greater than the width of the plug-in groove and less than the width of the plug-in limiting groove. The cross-section of the plug-in pushing block near the plug-in pushing spring is square-shaped, and the cross-section of the plug-in pushing block far from the plug-in pushing spring is isosceles trapezoid-shaped.

[0012] Preferably, the plug-in pressing component includes a plug-in button, a button groove, a stretching spring, and a stretching groove. The button groove is formed on the two side surfaces at the upper end of the protective fixing block and penetrates through the protective fixing block to be connected with the fixing groove. One end of the plug-in button is connected to the protective plug-in block, and the other end passes through the button groove and extends out of the protective fixing block. The stretching groove is formed on the two side surfaces of the fixing groove and is located on both sides of the button groove, and its cross-section is "匚"-shaped. One end of the stretching spring is connected to the stretching groove, and the other end is connected to the protective plug-in block, and the stretching spring is always in a stretched state.

[0013] Preferably, the plug-in limiting component includes a plug-in limiting sliding groove and a plug-in limiting sliding block that cooperates with the plug-in limiting sliding groove. The plug-in limiting sliding groove is formed in the middle at the innermost surface of the fixing groove. The plug-in limiting sliding block is fixed on the innermost surface of the protective plug-in block. The cross-sections of the plug-in limiting sliding groove and the plug-in limiting sliding block are both "T"-shaped structures, and the plug-in limiting sliding groove and the plug-in limiting sliding block cooperate to slide and limit the protective plug-in block.

[0014] Preferably, the dust-proof member includes a dust-proof movable plate, a dust-proof handle connected to the dust-proof movable plate, a folding cloth, a storage member, a closing member, a dust-proof sliding member, and a dust-proof limiting member. The dust-proof movable plate has a "C" - shaped structure and is arranged in the middle outside the two groups of protective fixing blocks. The folding cloth is fixed on the side surface of the dust-proof movable plate and has a "C" - shaped cross - section. One end of the dust-proof handle close to the dust-proof movable plate is perpendicular to the dust-proof movable plate, and the end of the dust-proof handle far from the dust-proof movable plate has a "C" - shaped structure and is arranged parallel to the protective fixing blocks. The total length of the dust-proof movable plate is less than the distance between the plug - in buttons arranged on the surfaces of the two groups of protective fixing blocks.

[0015] Preferably, the storage member includes a dust-proof fixing block and a storage groove. The dust-proof fixing block is fixed on the outer surface of the two groups of protective fixing blocks. The storage groove is opened on the surface of the dust-proof fixing block close to the dust-proof movable plate and has a "C" - shaped structure. The other end of the folding cloth is connected to the storage groove.

[0016] Preferably, the closing member includes a closing magnet one and a closing magnet two that cooperates with the closing magnet one. The closing magnet one is fixed on the surface of the dust-proof fixing block close to the dust-proof movable plate. The closing magnet two is fixed on the surface of the dust-proof movable plate close to the dust-proof fixing block and is arranged on both sides of the storage groove. Both the closing magnet one and the closing magnet two have a "C" - shaped structure, and the closing magnet one and the closing magnet two attract each other with opposite polarities.

[0017] Preferably, the dust-proof sliding member includes a dust-proof limiting sliding groove and a dust-proof limiting sliding block that cooperates with the dust-proof limiting sliding groove. The dust-proof limiting sliding groove is opened on the two side surfaces of the protective fixing block. The dust-proof limiting sliding block is fixed on the surfaces of the upper and lower ends of the dust-proof movable plate close to the protective fixing block. The cross - sections of the dust-proof limiting sliding groove and the dust-proof limiting sliding block are in a "T" - shaped structure, and the dust-proof limiting sliding groove and the dust-proof limiting sliding block cooperate to horizontally limit the dust-proof movable plate.

[0018] Preferably, the dust-proof limiting member includes a dust-proof magnet one and a dust-proof magnet two that cooperates with the dust-proof magnet one. The dust-proof magnet one is arranged on the surface of the BIM central server. The dust-proof magnet two is arranged on the surface of the dust-proof movable plate far from the dust-proof fixing block. Both the dust-proof magnet one and the dust-proof magnet two have a "C" - shaped structure, and the dust-proof magnet one and the dust-proof magnet two attract each other with opposite polarities.

[0019] Compared with the prior art, the beneficial effects of the present invention are:

[0020] The present invention presses the plug button to make the fixing slots contact each other, so that the protective plug block and the plug limit block enter the plug slot. At this time, the data conversion interface is connected to the surface of the BIM center server, and the data conversion interface drives the protective plug block to move toward the plug top holding block through the protective fixed block. The plug limit block presses the plug top holding block into the plug top holding slot. When the data conversion interface is connected, the plug button is released, and the tension spring pulls the protective plug block to move toward the plug button, thereby driving the plug limit block to enter the plug limit slot to contact the protective The plug-in block is limited and fixed, and the plug-in top holding spring holds the plug-in top holding block to contact the plug-in limit block, thereby further pressing the plug-in limit block into the plug-in limit slot to prevent the plug-in limit block from falling off from the plug-in limit slot, thereby preventing the data conversion interface from falling off the BIM center server, and completely covering the connection between the data conversion interface and the BIM center server with a folded cloth to prevent dust from entering, and can be easily waterproof, thereby ensuring the stability of the data conversion interface when connected to the BIM center server, thereby ensuring the stability of the use of the VR interactive display device. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0022] Figure 2 for Figure 1 A magnified schematic diagram of the structure at position A;

[0023] Figure 3 It is a schematic diagram of the three-dimensional structure of the protective element of the present invention;

[0024] Figure 4 It is a partial three-dimensional structural schematic diagram of the protective element of the present invention;

[0025] Figure 5 It is a three-dimensional structural schematic diagram of the plug connector of the present invention;

[0026] Figure 6 It is a schematic diagram of the cross-sectional three-dimensional structure of the plug connector of the present invention;

[0027] Figure 7 It is a schematic diagram of the three-dimensional structure of the dustproof part of the present invention;

[0028] Figure 8 It is a schematic diagram of the three-dimensional structure of the dustproof pull plate of the present invention.

[0029] In the figure: BIM center server 1, data conversion interface 2, dustproof magnet 1 3, protective fixing block 4, dustproof fixing block 5, dustproof handle 6, plug-in button 7, dustproof limit slide 8, protective plug-in block 9, dustproof movable plate 10, fixing slot 11, dustproof magnet 2 12, plug-in limit block 13, stretching spring 14, stretching slot 15, plug-in limit slide 16, plug-in limit slider 17, button slot 18, plug-in slot 19, plug-in limit slot 20, plug-in top holding block 21, plug-in top holding slot 22, plug-in top holding spring 23, storage slot 24, folding cloth 25, closing magnet 1 26, closing magnet 2 27, dustproof limit slider 28. DETAILED DESCRIPTION

[0030] In order to make the purpose and technical solution of the present invention clearly and completely described, and the advantages more clearly understood, the embodiments of the present invention are further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are part of the embodiments of the present invention, rather than all of the embodiments, and are only used to explain the embodiments of the present invention, and are not used to limit the embodiments of the present invention. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] In the description of the present invention, it should be noted that the terms "center", "middle", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "one", "first", "second", "third", "fourth", "fifth", "sixth" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0032] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0033] For the purpose of simplicity and illustration, the principles of the embodiments are mainly described by reference to examples. In the following description, many specific details are proposed to provide a thorough understanding of the embodiments. However, it is obvious that for those of ordinary skill in the art, these embodiments may not be limited to these specific details in practice. In some instances, known methods and structures are not described in detail to avoid making these embodiments unnecessarily difficult to understand. In addition, all embodiments can be used in combination with each other.

[0034] See also Figures 1 to 8 , the present invention provides a technical solution:

[0035] A three-dimensional building design management system based on BIM and VR, the three-dimensional building design management system of BIM and VR includes: a data conversion interface 2, one end of which is connected to a VR interactive display device, and the other end is connected to a BIM center server 1; and a protective part, including a connector and a dustproof part, the connector is arranged on the surface of the data conversion interface 2, the dustproof part is arranged on the surface of the connector, the connector includes a protective fixing block 4, a fixing groove 11 opened on the surface of the protective fixing block 4, a protective plug-in block 9 arranged inside the fixing groove 11, a plug-in groove 19, a plug-in limit groove 20, a plug-in limit block 13, a plug-in top holding part, a plug-in pressing part and a plug-in limit part, the protective fixing block 4 is fixed to the upper and lower end surfaces of the data conversion interface 2, and is in an "L" shape, and the fixing groove 11 is opened on the protective fixing block 4 near the BIM center server 1 On one end surface, a plug-in slot 19 is provided on the surface of the BIM center server 1 and is arranged corresponding to the fixed slot 11, and a plug-in limit slot 20 is provided on the surfaces on both sides of the plug-in slot 19. A plug-in limit block 13 is fixed on the surface of the protective plug-in block 9, and the plug-in limit block 13 cooperates with the plug-in limit slot 20 to limit and fix the protective plug-in block 9, thereby preventing the data conversion interface 2 from falling off; there are two groups of protective fixed blocks 4, both of which are in an "L" shape and are located on the upper and lower end surfaces of the data conversion interface 2, there are multiple groups of protective plug-in blocks 9, and two groups of protective plug-in blocks 9 are arranged inside a group of fixed slots 11, the plug-in limit block 13 is arranged at the outer end of the protective plug-in block 9, and the cross-sections of the plug-in limit block 13 and the plug-in limit slot 20 are both in a right-angled triangle structure, and the plug-in limit blocks 13 on the surfaces of the two groups of protective plug-in blocks 9 are arranged separately.

[0036] The present invention can be further configured such that the plug-in top holding component includes a plug-in top holding spring 23, a plug-in top holding groove 22 connected to one end of the plug-in top holding spring 23, and a plug-in top holding block 21 connected to the other end, the plug-in top holding groove 22 is arranged on the innermost surface of the plug-in limit groove 20 and the plug-in groove 19, and the width of the plug-in top holding groove 22 is greater than the width of the plug-in groove 19, the width of the plug-in top holding groove 22 is less than the width of the plug-in limit groove 20, the cross-section of the plug-in top holding block 21 close to one end of the plug-in top holding spring 23 is a square structure, and the cross-section of the plug-in top holding block 21 away from one end of the plug-in top holding spring 23 is an isosceles trapezoidal structure.

[0037] The present invention can be further configured such that the plugging and pressing member includes a plugging button 7, a button groove 18, a tension spring 14, and a tension groove 15. The button groove 18 is opened on both side surfaces of the upper end of the protective fixing block 4 and penetrates through the protective fixing block 4 to be connected with the fixing groove 11. One end of the plugging button 7 is connected to the protective plugging block 9, and the other end passes through the button groove 18 and extends out of the protective fixing block 4. The tension groove 15 is opened on both side surfaces of the fixing groove 11 and is located on both sides of the button groove 18, and the cross-section is in a "C" - shaped structure. One end of the tension spring 14 is connected to the tension groove 15, and the other end is connected to the protective plugging block 9, and the tension spring 14 is always in a stretched state. The plugging limiting member includes a plugging limiting chute 16 and a plugging limiting slider 17 that cooperates with the plugging limiting chute 16. The plugging limiting chute 16 is opened in the middle of the innermost surface of the fixing groove 11. The plugging limiting slider 17 is fixed on the innermost surface of the protective plugging block 9. The cross-sections of the plugging limiting chute 16 and the plugging limiting slider 17 are both in a "T" - shaped structure, and the plugging limiting chute 16 and the plugging limiting slider 17 cooperate to limit the sliding of the protective plugging block 9.

[0038] The present invention can be further configured such that the dust - proof member includes a dust - proof movable plate 10, a dust - proof handle 6 connected to the dust - proof movable plate 10, a folding cloth 25, a storage member, a closing member, a dust - proof sliding member, and a dust - proof limiting member. The dust - proof movable plate 10 is in a "C" - shaped structure and is arranged in the middle outside the two groups of protective fixing blocks 4. The folding cloth 25 is fixed on the side surface of the dust - proof movable plate 10, and the cross - section is in a "C" - shaped structure. One end of the dust - proof handle 6 close to the dust - proof movable plate 10 is perpendicular to the dust - proof movable plate 10. The end of the dust - proof handle 6 far from the dust - proof movable plate 10 is in a "C" - shaped structure and is arranged parallel to the protective fixing block 4. The total length of the dust - proof movable plate 10 is less than the distance between the plugging buttons 7 arranged on the surfaces of the two groups of protective fixing blocks 4.

[0039] The present invention can be further configured such that the storage member includes a dust - proof fixing block 5 and a storage groove 24. The dust - proof fixing block 5 is fixed on the outer surface of the two groups of protective fixing blocks 4. The storage groove 24 is opened on the side surface of the dust - proof fixing block 5 close to the dust - proof movable plate 10 and is in a "C" - shaped structure. The other end of the folding cloth 25 is connected to the storage groove 24. The closing member includes a closing magnet one 26 and a closing magnet two 27 that cooperates with the closing magnet one 26. The closing magnet one 26 is fixed on the surface of the dust - proof fixing block 5 close to the dust - proof movable plate 10. The closing magnet two 27 is fixed on the surface of the dust - proof movable plate 10 close to the dust - proof fixing block 5 and is arranged on both sides of the storage groove 24. Both the closing magnet one 26 and the closing magnet two 27 are in a "C" - shaped structure, and the closing magnet one 26 and the closing magnet two 27 attract each other with opposite polarities.

[0040] The present invention can be further configured such that the dust-proof sliding member includes a dust-proof limiting chute 8 and a dust-proof limiting slider 28 that cooperates with the dust-proof limiting chute 8. The dust-proof limiting chute 8 is opened on both side surfaces of the protection fixing block 4. The dust-proof limiting slider 28 is fixed on the surfaces of the upper and lower ends of the dust-proof movable plate 10 close to one side of the protection fixing block 4. Moreover, the cross-sections of the dust-proof limiting chute 8 and the dust-proof limiting slider 28 are in a "T" shape structure, and the dust-proof limiting chute 8 and the dust-proof limiting slider 28 cooperate to horizontally limit the dust-proof movable plate 10. The dust-proof limiting member includes a first dust-proof magnet 3 and a second dust-proof magnet 12 that cooperates with the first dust-proof magnet 3. The first dust-proof magnet 3 is arranged on the surface of the BIM central server 1, and the second dust-proof magnet 12 is arranged on the surface of the end of the dust-proof movable plate 10 away from the dust-proof fixing block 5. Moreover, both the first dust-proof magnet 3 and the second dust-proof magnet 12 are in a "C" shape structure, and the first dust-proof magnet 3 and the second dust-proof magnet 12 attract each other with opposite polarities.

[0041] By pressing the insertion button 7, the fixing grooves 11 are brought into contact with each other in pairs, so that the protection insertion block 9 and the insertion limiting block 13 enter the inside of the insertion groove 19. At this time, the data conversion interface 2 is connected to the surface of the BIM central server 1, and the data conversion interface 2 drives the protection insertion block 9 to move towards the insertion holding block 21 through the protection fixing block 4. The insertion limiting block 13 presses the insertion holding block 21 into the inside of the insertion holding groove 22. And when the connection of the data conversion interface 2 is completed, the insertion button 7 is released, then the tension spring 14 pulls the protection insertion block 9 to move towards the insertion button 7, thereby driving the insertion limiting block 13 to enter the inside of the insertion limiting groove 20 to limit and fix the protection insertion block 9, and the insertion holding spring 23 holds the insertion holding block 21 in contact with the insertion limiting block 13, thereby further pressing the insertion limiting block 13 into the inside of the insertion limiting groove 20 to prevent the insertion limiting block 13 from falling off from the inside of the insertion limiting groove 20, thus preventing the data conversion interface 2 from falling off the BIM central server 1.

[0042] By pulling the dust-proof movable plate 10 towards the BIM central server 1 through the dust-proof handle 6, the first closing magnet 26 is separated from the second closing magnet 27. The dust-proof limiting chute 8 and the dust-proof limiting slider 28 cooperate to horizontally limit the dust-proof movable plate 10, and the folding cloth 25 connected to the dust-proof movable plate 10 moves together with the dust-proof movable plate 10. When the dust-proof movable plate 10 contacts the BIM central server 1, the first dust-proof magnet 3 and the insertion limiting block 13 cooperate to limit the dust-proof movable plate 10, and the folding cloth 25 completely covers the connection part between the data conversion interface 2 and the BIM central server 1, thereby preventing dust from entering and being able to simply prevent water, ensuring the stability when the data conversion interface 2 is connected to the BIM central server 1, and thus ensuring the stability of the VR interaction display device during use.

[0043] Although the above describes the illustrative specific implementation methods of the present application so that technicians in this technical field can understand the present application, the present application is not limited to the scope of the specific implementation methods. For ordinary technicians in this technical field, as long as various changes are within the spirit and scope of the present application defined and determined by the attached claims, all application creations using the concept of the present application are protected.

Claims

1. A three-dimensional building design management system based on BIM and VR, characterized by: The three-dimensional building design management system of BIM and VR includes: A data conversion interface (2), one end of which is connected to the VR interactive display device, and the other end is connected to the BIM central server (1); and The protective component includes a plug-in component and a dust-proof component. The plug-in component is arranged on the surface of the data conversion interface (2), and the dust-proof component is arranged on the surface of the plug-in component. The plug-in component includes a protective fixing block (4), a fixing groove (11) opened on the surface of the protective fixing block (4), a protective plug-in block (9) arranged inside the fixing groove (11), a plug-in groove (19), a plug-in limiting groove (20), a plug-in limiting block (13), a plug-in holding member, a plug-in pressing member, and a plug-in limiting member. The protective fixing block (4) is fixed on the upper and lower end surfaces of the data conversion interface (2) and has an "L" - shaped structure. The fixing groove (11) is opened on the surface of the protective fixing block (4) near one end of the BIM central server (1). The plug-in groove (19) is opened on the surface of the BIM central server (1) and is correspondingly arranged with the fixing groove (11). The plug-in limiting groove (20) is opened on both side surfaces of the plug-in groove (19). The plug-in limiting block (13) is fixed on the surface of the protective plug-in block (9), and the plug-in limiting block (13) cooperates with the plug-in limiting groove (20) to limit and fix the protective plug-in block (9), thereby preventing the data conversion interface (2) from falling off; Two groups of the protective fixing blocks (4) are provided, and both have an "L" - shaped structure and are located on the upper and lower end surfaces of the data conversion interface (2). Multiple groups of the protective plug-in blocks (9) are provided, and two groups of the protective plug-in blocks (9) are arranged inside one fixing groove (11). The plug-in limiting blocks (13) are arranged on the outer ends of the protective plug-in blocks (9), and both the cross-sections of the plug-in limiting blocks (13) and the plug-in limiting grooves (20) are right-angled triangle-shaped structures, and the plug-in limiting blocks (13) on the surfaces of the two groups of the protective plug-in blocks (9) are arranged away from each other; The plug-in holding member includes a plug-in holding spring (23), a plug-in holding groove (22) connected to one end of the plug-in holding spring (23), and a plug-in holding block (21) connected to the other end. The plug-in holding groove (22) is opened on the innermost surface of the plug-in limiting groove (20) and the plug-in groove (19), and the width of the plug-in holding groove (22) is greater than the width of the plug-in groove (19), and the width of the plug-in holding groove (22) is less than the width of the plug-in limiting groove (20). The cross-section of one end of the plug-in holding block (21) close to the plug-in holding spring (23) is square-shaped, and the cross-section of the end of the plug-in holding block (21) away from the plug-in holding spring (23) is isosceles trapezoid-shaped; The plug-in pressing member includes a plug-in button (7), a button groove (18), a tension spring (14), and a tension groove (15). The button groove (18) is opened on both side surfaces of the upper end of the protective fixing block (4) and penetrates through the protective fixing block (4) to be connected to the fixing groove (11). One end of the plug-in button (7) is connected to the protective plug-in block (9), and the other end passes through the button groove (18) and extends out of the protective fixing block (4). The tension groove (15) is opened on both side surfaces of the fixing groove (11) and is located on both sides of the button groove (18), and its cross-section is in a "匚" - shaped structure. One end of the tension spring (14) is connected to the tension groove (15), and the other end is connected to the protective plug-in block (9), and the tension spring (14) is always in a stretched state;The plug-in limiting member comprises a plug-in limiting slide groove (16) and a plug-in limiting slider (17) matched with the plug-in limiting slide groove (16), the plug-in limiting slide groove (16) is arranged in the center of the innermost surface of the fixing groove (11), the plug-in limiting slider (17) is fixed to the innermost surface of the protective plug-in block (9), and the cross-sections of the plug-in limiting slide groove (16) and the plug-in limiting slider (17) are both in a "T"-shaped structure, and the plug-in limiting slide groove (16) and the plug-in limiting slider (17) cooperate to slide and limit the protective plug-in block (9). ; 2. The three-dimensional building design management system based on BIM and VR according to claim 1, characterized in that: The dust-proof member includes a dust-proof movable plate (10), a dust-proof handle (6) connected to the dust-proof movable plate (10), a folding cloth (25), a storage member, a closing member, a dust-proof sliding member, and a dust-proof limiting member. The dust-proof movable plate (10) has a "C" - shaped structure and is disposed in the middle outside the two groups of protective fixing blocks (4). The folding cloth (25) is fixed on the side surface of the dust-proof movable plate (10) and has a "C" - shaped cross - section. One end of the dust-proof handle (6) close to the dust-proof movable plate (10) is perpendicularly arranged with the dust-proof movable plate (10). The end of the dust-proof handle (6) far from the dust-proof movable plate (10) has a "C" - shaped structure and is arranged parallel to the protective fixing block (4). The total length of the dust-proof movable plate (10) is less than the distance between the plug - in buttons (7) arranged on the surfaces of the two groups of protective fixing blocks (4).

3. The three-dimensional building design management system based on BIM and VR according to claim 2, characterized in that: The storage member includes a dust-proof fixing block (5) and a storage groove (24). The dust-proof fixing block (5) is fixed on the outer surface of the two groups of protective fixing blocks (4). The storage groove (24) is opened on the surface of the dust-proof fixing block (5) close to the dust-proof movable plate (10) and has a "C" - shaped structure, and the other end of the folding cloth (25) is connected to the storage groove (24).

4. The three-dimensional building design management system based on BIM and VR according to claim 3 is characterized in that: The closing member includes a closing magnet one (26) and a closing magnet two (27) that cooperates with the closing magnet one (26). The closing magnet one (26) is fixed on the surface of the dust-proof fixing block (5) close to the dust-proof movable plate (10). The closing magnet two (27) is fixed on the surface of the dust-proof movable plate (10) close to the dust-proof fixing block (5) and is arranged on both sides of the storage groove (24). Both the closing magnet one (26) and the closing magnet two (27) have a "C" - shaped structure, and the closing magnet one (26) and the closing magnet two (27) attract each other with opposite polarities.

5. The three-dimensional building design management system based on BIM and VR according to claim 4 is characterized in that: The dust-proof sliding member includes a dust-proof limiting sliding groove (8) and a dust-proof limiting sliding block (28) that cooperates with the dust-proof limiting sliding groove (8). The dust-proof limiting sliding groove (8) is opened on the two side surfaces of the protective fixing block (4). The dust-proof limiting sliding block (28) is fixed on the surfaces of the upper and lower ends of the dust-proof movable plate (10) close to the protective fixing block (4). Both the dust-proof limiting sliding groove (8) and the dust-proof limiting sliding block (28) have a "T" - shaped cross - section, and the dust-proof limiting sliding groove (8) and the dust-proof limiting sliding block (28) cooperate to horizontally limit the dust-proof movable plate (10).

6. The three-dimensional building design management system based on BIM and VR according to claim 5, characterized in that: The dust-proof limiting member includes a dust-proof magnet one (3) and a dust-proof magnet two (12) that cooperates with the dust-proof magnet one (3). The dust-proof magnet one (3) is arranged on the surface of the BIM central server (1). The dust-proof magnet two (12) is arranged on the surface of the dust-proof movable plate (10) far from the dust-proof fixing block (5). Both the dust-proof magnet one (3) and the dust-proof magnet two (12) have a "C" - shaped structure, and the dust-proof magnet one (3) and the dust-proof magnet two (12) attract each other with opposite polarities.

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