Roof primary and secondary purline connecting node for grid space structure

Abstract

The utility model discloses a roof primary and secondary purline connecting node for a net rack space structure, and relates to the technical field of primary and secondary purline connecting nodes. The roof primary and secondary purline connecting node for the net rack space structure comprises a mounting plate; the angle steel fixing blocks are symmetrically and slidably connected to one side of the mounting plate; the long plate is connected to the side, close to the angle steel fixing blocks, of the mounting plate in a sliding mode, and a T-shaped cavity capable of containing the primary purline and the secondary purline is formed between the two angle steel fixing blocks and the long plate; the connecting threaded holes are formed in the angle steel fixing blocks and the long plate and used for connecting the primary purline and the secondary purline with the long plate through the angle steel fixing blocks; by arranging the first positioning assembly and the second positioning assembly, the angle steel fixing block and the long plate can both move on the mounting plate, and therefore a worker can adjust the size of a T-shaped cavity formed by the angle steel fixing block and the long plate according to needs.

Description

Technical Field

[0001] The utility model relates to the technical field of primary and secondary purlin connection nodes, in particular to a primary and secondary purlin connection node for a roof used in a grid space structure. Background Art

[0002] The primary and secondary purlins in the building structure jointly maintain the stability and load-bearing capacity of the building; and the connection nodes of the primary and secondary purlins of the grid space structure roof are an important part of the roof structure of the building. It mainly plays the role of bearing the roof load, dispersing the force of the purlins, and ensuring the flatness of the roof.

[0003] The main purlin web and secondary purlin connection node structure disclosed in the patent application with reference publication number CN207686016U includes a C-type main purlin, a C-type secondary purlin and a connector, wherein the C-type main purlin is perpendicular to the C-type secondary purlin, one end of the connector is fixed to the web of the C-type main purlin with a first bolt, and the other end of the connector is fixed to the C-type secondary purlin with a second bolt. The utility model main purlin web and secondary purlin connection node structure is suitable for the connection between the web of the C-type main purlin and the C-type secondary purlin, has strong integrity, high reliability, strong structural durability, convenient processing and manufacturing, and on-site installation, avoids the large amount of welding of the C-type main and secondary purlins on the wall, and the adverse effects of increased labor costs, effectively improves work efficiency, and the purlin connection node structure can be widely used in the C-type main and secondary purlin node connection in industrial steel structure buildings.

[0004] As shown in the above-mentioned prior art, although the primary and secondary purlin connection nodes in the prior art complete the connection work of the primary and secondary purlins, most of the screws used in the connection are not protected at all. If the connection node is used in outdoor facilities, it is very easy to be rusted by rain and sun, resulting in insufficient stability of the connection node.

[0005] Therefore, it is necessary to provide a roof primary and secondary purlin connection node for a grid space structure to solve the above technical problems. Utility Model Content

[0006] 1. Technical issues to be solved

[0007] In order to solve the above technical problems, the utility model provides a roof primary and secondary purlin connection node for a grid space structure.

[0008] (II) Technical solution

[0009] To achieve the above purpose, the utility model is implemented through the following technical solutions: A roof primary and secondary purlin connection node for a grid space structure, comprising:

[0010] Mounting plate;

[0011] An angle steel fixing block, symmetrically slidably connected to one side of the mounting plate;

[0012] A long plate is slidably connected to one side of the mounting plate close to the angle steel fixing block, and a T-shaped cavity for placing the main purlin and the secondary purlin is formed between the two angle steel fixing blocks and the long plate;

[0013] Connecting threaded holes are provided on the angle steel fixing block and the long plate, and are used to connect the main purlin and the secondary purlin to the long plate through the angle steel fixing block;

[0014] A first positioning assembly is symmetrically mounted on one side of the mounting plate close to the angle steel fixing block, and is used to position the two angle steel fixing blocks on the mounting plate respectively;

[0015] A second positioning assembly is installed on one side of the mounting plate close to the angle steel fixing block and is used to position the long plate on the mounting plate;

[0016] The rainproof shell is detachably mounted on the side of the mounting plate away from the angle steel fixing block.

[0017] Preferably, a first sliding groove is symmetrically provided on one side of the mounting plate close to the angle steel fixing block, a first sliding block is slidably connected to the inner wall of the first sliding groove, and a top of the first sliding block is fixed to the angle steel fixing block.

[0018] Preferably, a second sliding groove is provided on one side of the mounting plate close to the angle steel fixing block, a second sliding block is slidably connected to the inner wall of the second sliding groove, and a top of the second sliding block is fixed to the long plate.

[0019] Preferably, the first positioning assembly includes a first through hole formed on the angle steel fixing block, and a plurality of first threaded holes are formed on the mounting plate corresponding to the first through hole.

[0020] Preferably, the second positioning assembly includes a second through hole symmetrically opened on the long plate, and a plurality of second threaded holes are opened on the mounting plate corresponding to the second through hole.

[0021] Preferably, four slots are provided on one side of the mounting plate close to the rainproof shell, anti-skid rubber sleeves are fixed to the inner walls of the slots, an insertion rod is slidably connected to the inner wall of the anti-skid rubber sleeve, and one end of the insertion rod away from the slot is fixed to the rainproof shell.

[0022] (III) Beneficial effects

[0023] The utility model provides a roof primary and secondary purlin connection node for a grid space structure. Compared with the prior art, it has the following beneficial effects:

[0024] 1. The application sets a first positioning assembly and a second positioning assembly so that both the angle steel fixing block and the long plate can be moved on the mounting plate, so that workers can adjust the size of the T-shaped cavity formed by the angle steel fixing block and the long plate as needed, so that the purlin connection node has a wide range of application and is practical;

[0025] 2. This application provides protection for the bolts installed on the connection node to the greatest extent by setting up a rainproof shell and a mounting plate, thereby reducing the possibility of corrosion of the bolts due to rain, moisture and exposure to the sun, better ensuring the stability of the connection of the connection node and improving safety of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0027] Figure 2 It is a schematic diagram of a long board of the utility model;

[0028] Figure 3 This is a schematic diagram of a first sliding block of the present utility model;

[0029] Figure 4 This is a schematic diagram of the angle steel fixing block of the utility model;

[0030] Figure 5 It is a schematic diagram of the plug rod of the utility model;

[0031] Figure 6 This is a schematic diagram of the first chute of the utility model.

[0032] Numbers in the figure: 1. Mounting plate; 2. Angle steel fixing block; 3. Long plate; 4. Main purlin; 5. Secondary purlin; 6. T-shaped cavity; 7. Rainproof shell; 8. First slide groove; 9. First slider; 10. Second slide groove; 11. Second slider; 12. First through hole; 13. First threaded hole; 14. Second through hole; 15. Second threaded hole; 16. Slot; 17. Anti-slip rubber sleeve; 18. Insert rod; 19. Connecting threaded hole. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0034] The utility model provides two technical solutions:

[0035] Figures 1 to 6The first embodiment is shown: a roof primary and secondary purlin connection node for a grid space structure, comprising:

[0036] Mounting plate 1;

[0037] An angle steel fixing block 2 is symmetrically slidably connected to one side of the mounting plate 1;

[0038] The long plate 3 is slidably connected to one side of the mounting plate 1 close to the angle steel fixing block 2, and a T-shaped cavity 6 for placing the main purlin 4 and the secondary purlin 5 is formed between the two angle steel fixing blocks 2 and the long plate 3;

[0039] The connecting threaded holes 19 are provided on the angle steel fixing block 2 and the long plate 3, and are used to connect the main purlin 4 and the secondary purlin 5 to the long plate 3 through the angle steel fixing block 2;

[0040] The first positioning assembly is symmetrically mounted on one side of the mounting plate 1 close to the angle steel fixing block 2, and is used to position the two angle steel fixing blocks 2 on the mounting plate 1 respectively;

[0041] A second positioning component is installed on one side of the mounting plate 1 close to the angle steel fixing block 2 and is used to position the long plate 3 on the mounting plate 1;

[0042] The rainproof shell 7 is detachably mounted on a side of the mounting plate 1 away from the angle steel fixing block 2 .

[0043] A first slide groove 8 is symmetrically provided on one side of the mounting plate 1 close to the angle steel fixing block 2 , and a first sliding block 9 is slidably connected to the inner wall of the first slide groove 8 , and the top of the first sliding block 9 is fixed to the angle steel fixing block 2 .

[0044] A second slide groove 10 is provided on one side of the mounting plate 1 close to the angle steel fixing block 2 , and a second sliding block 11 is slidably connected to the inner wall of the second slide groove 10 , and the top of the second sliding block 11 is fixed to the long plate 3 .

[0045] The first positioning assembly includes a first through hole 12 formed on the angle steel fixing block 2 , and a plurality of first threaded holes 13 are formed on the mounting plate 1 corresponding to the first through hole 12 .

[0046] The second positioning assembly includes second through holes 14 symmetrically opened on the long plate 3 , and a plurality of second threaded holes 15 are opened on the mounting plate 1 corresponding to the second through holes 14 .

[0047] This application sets a first positioning component and a second positioning component so that both the angle steel fixing block 2 and the long plate 3 can be moved on the mounting plate 1, so that workers can adjust the size of the T-shaped cavity 6 formed by the angle steel fixing block 2 and the long plate 3 as needed, making the purlin connection node have a wide range of applicability and practicality.

[0048] Figure 5A second embodiment is shown, which mainly differs from the first embodiment in that four slots 16 are provided on one side of the mounting plate 1 close to the rainproof shell 7, an anti-skid rubber sleeve 17 is fixed to the inner wall of the slot 16, an insertion rod 18 is slidably connected to the inner wall of the anti-skid rubber sleeve 17, and the end of the insertion rod 18 facing away from the slot 16 is fixed to the rainproof shell 7.

[0049] This application provides a rainproof shell 7 and a mounting plate 1 to protect the bolts installed on the connection node to the greatest extent, reduce the possibility of the bolts being corroded by rain, moisture and exposure to the sun, better ensure the stability of the connection of the connection node, and improve safety of use.

[0050] Working principle:

[0051] When using the connection node, the mounting plate 1 is mounted with the rainproof shell 7 facing upwards; the T-shaped cavity 6 formed by the long plate 3 and the angle steel fixing block 2 is adjusted according to the width of the main purlin 4 and the secondary purlin 5; the long plate 3 can be pushed to drive the second sliding block 11 to move on the inner wall of the second slide groove 10; the angle steel fixing block 2 can be pushed to drive the first sliding block 9 to move on the inner wall of the first slide groove 8.

[0052] After the positions of the angle steel fixing block 2 and the long plate 3 are determined, the angle steel fixing block 2 can be positioned on the mounting plate 1 by passing bolts through the first through hole 12 and the first threaded hole 13, and the long plate 3 can be positioned on the mounting plate 1 by passing bolts through the second through hole 14 and the second threaded hole 15. Then, the main purlin 4 and the secondary purlin 5 are placed in the T-shaped cavity 6, and the main purlin 4 and the secondary purlin 5 are fixed in the T-shaped cavity 6 by passing bolts through the multiple connecting threaded holes 19.

[0053] The rod 18 on the rainproof shell 7 is inserted into the slot 16 on the mounting plate 1 , and the rod 18 enters the slot 16 tightly against the anti-slip rubber sleeve 17 . The anti-slip rubber sleeve 17 is squeezed and deformed to clamp the rod 18 , thereby fixing the rainproof shell 7 on the mounting plate 1 .

[0054] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0055] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0056] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A roof primary and secondary purlin connection node for a grid space structure, characterized in that: include: Mounting plate (1); An angle steel fixing block (2) symmetrically slidably connected to one side of the mounting plate (1); A long plate (3) is slidably connected to a side of the mounting plate (1) close to the angle steel fixing block (2), and a T-shaped cavity (6) for placing the main purlin (4) and the secondary purlin (5) is formed between the two angle steel fixing blocks (2) and the long plate (3); Connecting threaded holes (19) are provided on the angle steel fixing block (2) and the long plate (3) and are used to connect the main purlin (4) and the secondary purlin (5) to the long plate (3) through the angle steel fixing block (2); A first positioning assembly is symmetrically mounted on one side of the mounting plate (1) close to the angle steel fixing block (2), and is used to respectively position the two angle steel fixing blocks (2) on the mounting plate (1); A second positioning assembly is installed on a side of the mounting plate (1) close to the angle steel fixing block (2) and is used to position the long plate (3) on the mounting plate (1); The rainproof shell (7) is detachably mounted on a side of the mounting plate (1) away from the angle steel fixing block (2).

2. The main and secondary purlin connection node for a roof space structure according to claim 1, characterized in that: A first sliding groove (8) is symmetrically provided on one side of the mounting plate (1) close to the angle steel fixing block (2); a first sliding block (9) is slidably connected to the inner wall of the first sliding groove (8); and the top of the first sliding block (9) is fixed to the angle steel fixing block (2).

3. The main and secondary purlin connection node for a roof space structure according to claim 2, characterized in that: A second slide groove (10) is provided on one side of the mounting plate (1) close to the angle steel fixing block (2); a second sliding block (11) is slidably connected to the inner wall of the second slide groove (10); and the top of the second sliding block (11) is fixed to the long plate (3).

4. The main and secondary purlin connection node for a roof space structure according to claim 2, characterized in that: The first positioning component comprises a first through hole (12) formed on the angle steel fixing block (2), and a plurality of first threaded holes (13) are formed on the mounting plate (1) corresponding to the first through hole (12).

5. The main and secondary purlin connection node for a roof space structure according to claim 3, characterized in that: The second positioning assembly comprises a second through hole (14) symmetrically opened on the long plate (3), and a plurality of second threaded holes (15) are opened on the mounting plate (1) corresponding to the second through hole (14).

6. The main and secondary purlin connection node for a roof space structure according to claim 5, characterized in that: Four slots (16) are provided on one side of the mounting plate (1) close to the rainproof shell (7), and an anti-skid rubber sleeve (17) is fixed to the inner wall of the slot (16). An insertion rod (18) is slidably connected to the inner wall of the anti-skid rubber sleeve (17), and one end of the insertion rod (18) facing away from the slot (16) is fixed to the rainproof shell (7).

Images