Fabricated building light steel keel connecting structure

Abstract

The utility model belongs to the technical field of light steel keels, and particularly discloses an assembly type building light steel keel connecting structure which comprises a main keel and auxiliary keels, the auxiliary keels are attached to the two sides of the bottom of the main keel respectively, sliding ways are arranged on the two sides of the interior of each auxiliary keel respectively, and a transverse groove is formed in the center between the sliding ways. Sliding blocks are movably connected into the sliding ways, and a clamping plate is welded between the tops of the sliding blocks. According to the fabricated building light steel keel connecting structure, the auxiliary keels are attached to the two sides of the bottom of the main keel correspondingly, the main keel is in lap joint between the front portions and the rear portions of the tops of the auxiliary keels on the two sides correspondingly, the clamping plates with the sliding blocks are shifted along the sliding ways in the front position and the rear position, and the clamping plates are attached to the front end and the rear end of the main keel under the lubricating effect of the balls; the holes and the positioning blocks are aligned and locked through the fastening bolts, adjustment in the aspect of assembly is rapidly conducted according to the width of the main keel, and the problem that assembly and disassembly are inconvenient is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of light steel keels, in particular to a light steel keel connection structure for assembled buildings. Background Art

[0002] Lightweight steel keels are an emerging building and decoration material, commonly used in the top frames of various buildings, public places, factories, and sheds. To prevent the steel from rusting, paint or coating needs to be applied to the surface of the keel structure for protection. This can be done before or after the keel is assembled.

[0003] Ordinary connection structures are mostly supported by angle steel, which requires pre-drilling and then reinforcement with angle steel, bolts, nuts, etc. It is difficult to adapt to steel plates of different widths to quickly assemble the main purlin or secondary purlin. It is time-consuming to drill holes and there are many inconveniences in assembly, disassembly, and adjustment.

[0004] Now, a new type of prefabricated building light steel keel connection structure is proposed to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a prefabricated building light steel keel connection structure to solve the problem of inconvenience in assembly and disassembly proposed in the above background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a prefabricated building light steel keel connection structure, comprising a main keel and a secondary keel, the secondary keel being respectively fitted on both sides of the bottom of the main keel, a slide is respectively provided on both sides inside the secondary keel, and a transverse groove is provided at the center between the slides, a slider is movably connected in the slide, and a splint is welded between the tops of the sliders, a transverse axis is welded at the center between the sliders, a ball bearing is inlaid on the bottom of the slider, a positioning block is fixed on the outside of the slider, and a fastening bolt is threadedly connected in the positioning block, and a hole is provided between the front and back of the inside of the slide.

[0007] Preferably, the ball bearings are attached to the bottom of the slideway, and the slider can slide back and forth along the inner wall of the slideway.

[0008] Preferably, the fastening bolt is embedded between the positioning block and the hole, and the positioning block and the sliding block are symmetrically fixed on both sides of the splint.

[0009] Preferably, a slot is provided at the center of the outer side of the splint, and a support block is movably connected between the two sides of the bottom of the slot, a slide groove is provided inside the center of both sides of the slot, and a baffle rod is movably connected in the slide groove, and a shift block is fixed to the outside of the baffle rod, a movable block is hinged on the top of the support block, and an assembly hole is provided at the center of the movable block, and a fixing bolt is threadedly connected in the assembly hole.

[0010] Preferably, the slide groove, the shift block and the blocking rod are in the same horizontal plane, and the blocking rod can slide left and right along the inner wall of the slide groove.

[0011] Preferably, the blocking rods are symmetrically attached to both sides of the surface of the support block, and the movable block can swing back and forth at the top end of the support block.

[0012] Preferably, a sleeve block is fixed to the side of the splint, and a spring shaft is installed between the two sides of the sleeve block, a reel is fixed at the center of the spring shaft, and a second cloth belt is wrapped around the surface of the reel, a first cloth belt is fixed to the bottom of the second cloth belt, and the end of the first cloth belt is threadedly connected to a reinforcing bolt, screw holes are arranged longitudinally inside the second cloth belt, and the cloth belt is sleeved on the outside of the connecting rod.

[0013] Preferably, the cloth belt 1 is annular on the outside of the connecting rod, and the reinforcing bolt is embedded between the cloth belt 1 and the screw hole.

[0014] Compared with the prior art, the beneficial effects of the present invention are: the prefabricated building light steel keel connection structure not only realizes the rapid assembly of the keel structure and prevents the splint from loosening, but also improves the strength of the structural connection;

[0015] (1) By attaching auxiliary keels to both sides of the bottom of the main keel, the main keel is overlapped between the front and rear of the top of the auxiliary keels on both sides, and the clamping plates with sliders are moved along the front and rear slides. Under the lubrication of the balls, the clamping plates are symmetrically attached to the front and rear ends of the main keel, and are aligned with the holes and positioning blocks to lock them with fastening bolts. The assembly can be quickly adjusted according to the width of the main keel.

[0016] (2) By setting a slot at the center of the outer side of the splint, the shifting block is moved along the sliding grooves on both sides to force the blocking rod into the sliding groove, and the support block is taken out from the slot at the center of the splint surface, and then the movable block hinged on the top is moved so that the movable block fits on the top of the secondary keel. According to the position of the threaded hole in the movable block, holes are drilled on the surface of the secondary keel for assembly, and the splint and the main keel at the center are supported from the front and rear ends to prevent the clamping structure from loosening;

[0017] (3) By fixing the cloth belt 1 at the bottom of the cloth belt 2, when installing the connecting rod horizontally between the secondary keels, it is necessary to pull out the cloth belt 2 wound on the reel in the sleeve block, and put the cloth belt connected to the cloth belt 2 on both sides of the surface of the connecting rod. Twist the reinforcing bolts to lock the cloth belt 1 in the screw holes, so that the circular ring formed can be used to suspend the connecting rod from both sides. The elastic force of the spring shaft can maintain the stability of the connecting rod to prevent the subsequent installed structure from falling. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the front cross-sectional structure of the present utility model;

[0019] Figure 2 This is a schematic diagram of the top structure of the utility model;

[0020] Figure 3 This is a schematic diagram of the front cross-sectional structure of the auxiliary keel of the present invention;

[0021] Figure 4 For the utility model Figure 3 A schematic diagram of the enlarged structure of the local section at point A in the middle;

[0022] Figure 5 This is a schematic diagram of the main keel structure from a top view of the present invention.

[0023] In the figure: 1. Main keel; 2. Secondary keel; 3. Connecting rod; 4. Cloth belt 1; 5. Horizontal groove; 6. Slideway; 7. Clamp; 8. Slot; 9. Bushing; 10. Slider; 11. Spring shaft; 12. Horizontal shaft; 13. Ball bearing; 14. Cloth belt 2; 15. Reinforcement bolt; 16. Screw hole; 17. Assembly hole; 18. Movable block; 19. Stop rod; 20. Slideway; 21. Shift block; 22. Support block; 23. Positioning block; 24. Fastening bolt; 25. Hole; 26. Fixing bolt; 27. Reel. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] See also Figure 1-5 The utility model provides an embodiment: an assembled building light steel keel connection structure, including a main keel 1 and a secondary keel 2, the secondary keel 2 is respectively attached to both sides of the bottom of the main keel 1, a slide 6 is provided on both sides of the inside of the secondary keel 2, and a transverse groove 5 is provided at the center between the slides 6, a slider 10 is movably connected in the slide 6, and a plywood 7 is welded between the tops of the sliders 10, a transverse axis 12 is welded at the center between the sliders 10, a ball bearing 13 is inlaid on the bottom of the slider 10, a positioning block 23 is fixed to the outside of the slider 10, and a fastening bolt 24 is threadedly connected to the positioning block 23, and a hole 25 is provided between the front and back of the slide 6;

[0026] The ball bearing 13 is attached to the bottom of the slideway 6, and the slider 10 can slide back and forth along the inner wall of the slideway 6. The fastening bolt 24 is embedded between the positioning block 23 and the hole 25. The positioning block 23 and the slider 10 are symmetrically fixed on both sides of the clamping plate 7.

[0027] Specifically, if Figure 1 、 Figure 2 、 Figure 3 and Figure 5 As shown, the main keel 1 is overlapped between the front and rear ends of the tops of the auxiliary keels 2 on both sides, and the plywood 7 with sliders 10 is moved along the front and rear slideways 6. Under the lubrication of the balls 13, the plywood 7 is symmetrically fitted to the front and rear ends of the main keel 1, and aligned with the holes 25 and the positioning blocks 23. The fastening bolts 24 are then used to lock them in place to prevent the upper and lower overlapped components from loosening.

[0028] A slot 8 is provided at the center of the outer side of the splint 7, and a support block 22 is movably connected between the two sides of the bottom of the slot 8. A slide groove 20 is provided inside the center of each side of the slot 8, and a stopper 19 is movably connected to the slide groove 20. A shift block 21 is fixed to the outside of the stopper 19. A movable block 18 is hinged on the top of the support block 22, and an assembly hole 17 is provided at the center of the movable block 18. A fixing bolt 26 is threadedly connected to the assembly hole 17.

[0029] The chute 20, the shift block 21 and the stop rod 19 are in the same horizontal plane. The stop rod 19 can slide left and right along the inner wall of the chute 20. The stop rod 19 is symmetrically attached to both sides of the surface of the support block 22. The movable block 18 can swing back and forth on the top of the support block 22.

[0030] Specifically, if Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5 As shown, the shifting block 21 is moved along the slide grooves 20 on both sides to force the blocking rod 19 into the slide grooves 20, and the support block 22 is taken out from the slot 8 at the center of the surface of the splint 7. Then the movable block 18 hinged on the top is shifted so that the movable block 18 fits on the top of the secondary keel 2. According to the position of the threaded hole in the movable block 18, holes 25 are drilled on the surface of the secondary keel 2 for assembly, supporting the splint 7 and the main keel 1 at the center from the front and rear ends.

[0031] A sleeve block 9 is fixed to the side of the splint 7, and a spring shaft 11 is installed between the two sides of the sleeve block 9. A reel 27 is fixed to the center of the spring shaft 11, and a cloth belt 2 14 is wound around the surface of the reel 27. A cloth belt 1 4 is fixed to the bottom of the cloth belt 2 14, and the end of the cloth belt 1 4 is threadedly connected with a reinforcing bolt 15. Screw holes 16 are arranged longitudinally inside the cloth belt 2 14. The cloth belt 1 4 is sleeved on the outside of the connecting rod 3. The cloth belt 1 4 is annular on the outside of the connecting rod 3, and the reinforcing bolt 15 is embedded between the cloth belt 1 4 and the screw hole 16.

[0032] Specifically, if Figure 1 and Figure 3As shown, when installing the connecting rod 3 horizontally between the secondary keels 2, it is necessary to pull out the cloth belt 2 14 wound on the reel 27 in the sleeve block 9, and put the cloth belt 1 4 connected to the cloth belt 2 14 on both sides of the surface of the connecting rod 3. Tighten the reinforcing bolts 15 in the screw holes 16 to lock the cloth belt 1 4. The circular ring formed can suspend the connecting rod 3 from both sides. Under the elastic force of the spring shaft 11, the stability of the connecting rod 3 is maintained to prevent the structure from collapsing.

[0033] Working principle: When the utility model is in use, first, the main keel 1 is overlapped between the front and rear of the top of the auxiliary keel 2 on both sides, and the plywood 7 with the slider 10 is moved along the slide 6 at the front and rear. Under the lubrication of the ball 13, the plywood 7 is symmetrically fitted to the front and rear ends of the main keel 1, and aligned with the hole 25 and the positioning block 23, and locked with the fastening bolt 24. The assembly can be quickly adjusted according to the width of the main keel 1. Then, the plywood 21 is moved along the slide grooves 20 on both sides to force the blocking rod 19 into the slide groove 20, and the support block 22 is removed from the slot 8 at the center of the surface of the plywood 7. Then, the top hinge is moved. The movable block 18 is made to fit the movable block 18 on the top of the secondary keel 2. According to the position of the threaded hole in the movable block 18, holes 25 are drilled on the surface of the secondary keel 2 for assembly. The splint 7 and the main keel 1 at the center are supported from the front and rear ends. Finally, when the connecting rod 3 is installed horizontally between the secondary keels 2, it is necessary to pull out the cloth belt 2 14 wrapped on the reel 27 in the sleeve block 9, and put the cloth belt 1 4 connected to the cloth belt 2 14 on both sides of the surface of the connecting rod 3. Tighten the reinforcing bolt 15 to lock the cloth belt 1 4 in the screw hole 16, so that the circular ring formed can suspend the connecting rod 3 from both sides, and maintain the stability of the connecting rod 3 under the elastic force of the spring shaft 11.

[0034] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the foregoing description. It is intended that all variations within the meaning and range of equivalents of the claims be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A prefabricated building light steel keel connection structure, comprising a main keel (1) and a secondary keel (2), characterized in that: The two sides of the bottom of the main keel (1) are respectively fitted with auxiliary keels (2), and the two sides inside the auxiliary keel (2) are respectively provided with slideways (6), and a transverse groove (5) is provided at the center between the slideways (6), a slider (10) is movably connected in the slideway (6), and a splint (7) is welded between the tops of the sliders (10), and a transverse axis (12) is welded at the center between the sliders (10), a ball bearing (13) is embedded in the bottom of the slider (10), a positioning block (23) is fixed on the outside of the slider (10), and a fastening bolt (24) is threadedly connected in the positioning block (23), and a hole (25) is provided between the front and back of the slideway (6).

2. The prefabricated building light steel keel connection structure according to claim 1, characterized in that: The ball (13) is attached to the bottom of the slideway (6), and the slider (10) can slide back and forth along the inner wall of the slideway (6).

3. The prefabricated building light steel keel connection structure according to claim 1, characterized in that: The fastening bolt (24) is embedded between the positioning block (23) and the hole (25), and the positioning block (23) and the slider (10) are symmetrically fixed on both sides of the clamping plate (7).

4. The prefabricated building light steel keel connection structure according to claim 1, characterized in that: A slot (8) is provided at the center of the outer side of the splint (7), and a support block (22) is movably connected between the two sides of the bottom of the slot (8), a slide groove (20) is provided inside the center of the two sides of the slot (8), and a blocking rod (19) is movably connected in the slide groove (20), and a shift block (21) is fixed to the outside of the blocking rod (19), the top of the support block (22) is hinged with a movable block (18), and an assembly hole (17) is provided at the center of the movable block (18), and a fixing bolt (26) is threadedly connected in the assembly hole (17).

5. The prefabricated building light steel keel connection structure according to claim 4, characterized in that: The chute (20), the shifting block (21) and the blocking rod (19) are located in the same horizontal plane, and the blocking rod (19) can slide left and right along the inner wall of the chute (20).

6. The prefabricated building light steel keel connection structure according to claim 4, characterized in that: The blocking rods (19) are symmetrically attached to both sides of the surface of the support block (22), and the movable block (18) can swing back and forth at the top end of the support block (22).

7. The prefabricated building light steel keel connection structure according to claim 1, characterized in that: A sleeve block (9) is fixed to the side of the splint (7), and a spring shaft (11) is installed between the two sides of the sleeve block (9). A reel (27) is fixed at the center of the spring shaft (11), and a cloth belt (14) is wound on the surface of the reel (27). A cloth belt (4) is fixed to the bottom of the cloth belt (14), and the end of the cloth belt (4) is threadedly connected to a reinforcing bolt (15). Screw holes (16) are arranged longitudinally inside the cloth belt (14), and the cloth belt (4) is sleeved on the outside of the connecting rod (3).

8. The prefabricated building light steel keel connection structure according to claim 7, characterized in that: The cloth belt (4) is annular outside the connecting rod (3), and the reinforcing bolt (15) is embedded between the cloth belt (4) and the screw hole (16).

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