All-aluminum stair plate connecting structure

Abstract

The utility model provides an all-aluminum stair plate connecting structure, and relates to the technical field of stairs. The all-aluminum stair plate connecting structure comprises a stair beam, a plurality of mounting grooves are formed in the top of the stair beam, a plurality of second clamping grooves are formed in the top of the stair beam, fixing grooves are formed in the front side and the rear side of the interior of each second clamping groove, and a plurality of stair tread bodies are arranged at the top of the stair beam. According to the all-aluminum stair plate connecting structure, a rotating handle is rotated in the forward direction, a worm is meshed with a worm gear, the worm gear drives a second gear to rotate through a rotating rod, the second gear is meshed with two second racks, the two second racks drive two connecting blocks to move in the opposite directions, and the two connecting blocks slide on a long sliding plate; and the two fixing plates are clamped into the two fixing grooves, fixing of the stair tread body is achieved, through the structure, connection bolts do not need to be used for fixing, and the installation progress of the stair tread body can be improved.

Description

Technical Field

[0001] The utility model relates to a staircase plate connection structure, in particular to an all-aluminum staircase plate connection structure, belonging to the technical field of stairs. Background Art

[0002] At present, indoor and outdoor multi-storey mobile houses or high-top mobile exhibition stands inevitably need stairs to facilitate people's passage. Conventional stairs are generally made of wood, high-density boards, angle steel, I-beams, channel steels and other materials, and are connected by welding or bolts and screws to form stairs.

[0003] The all-aluminum alloy staircase structure is disclosed with the publication number CN211007376U, wherein: the lower end of the first support member is provided with a connecting plate obliquely connected to the stair beam, and the connecting plate is fixed to the stair beam by a second connecting bolt; the upper end of the first support member is provided with a connecting plate horizontally connected to the stair tread, and the connecting plate is fixed to the stair tread by a first connecting bolt. The lower half of the second support member is obliquely arranged and obliquely connected to the stair beam, and the oblique part of the second support member is fixed to the stair beam by a second connecting bolt; the upper end of the second support member is provided with a connecting plate horizontally connected to the stair tread, and the connecting plate is fixed to the stair tread by a first connecting bolt. The left and right sides of the bottom surface of the stair tread are respectively provided with a support member connecting groove and a bolt fixing groove, and the upper end heads of the first support member and the second support member are embedded in the support member connecting groove.

[0004] In the above scheme, although there are many benefits, there are also the following disadvantages: the stair treads are connected by a first support member and a second support member, and the first support member and the second support member are respectively fixed to the stair treads and the stair beams by connecting bolts, and the fixing method is relatively cumbersome, which will affect the progress of the stair tread installation and reduce the practicability of the device. Utility Model Content

[0005] 1. Technical issues to be solved

[0006] The purpose of the utility model is to provide an all-aluminum stair slab connection structure in order to solve the above-mentioned problem, so as to solve the problem that in the prior art, the stair treads are connected by a first support member and a second support member, and the first support member and the second support member are respectively fixed to the stair treads and the stair beams by connecting bolts, and the fixing method is relatively cumbersome, which will affect the progress of the stair tread installation and reduce the practicability of the device.

[0007] (II) Technical solution

[0008] The utility model is realized by the following technical scheme: an all-aluminum stair slab connection structure, comprising a stair beam, a plurality of mounting grooves are provided at the top of the stair beam, a plurality of second slots are provided at the top of the stair beam, fixing grooves are formed on both the front and rear sides of the second slots, a plurality of stair tread bodies are provided at the top of the stair beam, the stair tread bodies are arranged in the mounting grooves and in contact with the stair beam, a hollow plate is fixedly connected to the bottom of the stair tread body, a hollow vertical plate is fixedly connected to the bottom of the hollow plate, the hollow vertical plate is arranged in the second slots and in contact with the stair beam, a second gear is provided inside the hollow vertical plate, two second racks are meshedly connected to the outside of the second gear, one end of the two second racks are fixedly connected to a connecting block, the outside of the two connecting blocks are fixedly connected to a fixing plate, one end of the two fixing plates passes through the inside of the hollow vertical plate and is slidably connected to the hollow vertical plate, one end of the two fixing plates is arranged inside the two fixing grooves, a rotating rod is fixedly connected to the top of the second gear, a rotating assembly is provided at the top of the rotating rod, and a limiting assembly is provided on the outside of the rotating rod.

[0009] Preferably, a first card slot is formed at the center of each of the plurality of installation slots, and a through slot is formed on one side inside each of the plurality of first card slots.

[0010] Preferably, an elongated slide plate is provided between the two connecting blocks, both ends of the elongated slide plate pass through the two connecting blocks and are slidably connected to the two connecting blocks, and the elongated slide plate is fixedly connected to the inside of the hollow vertical plate. The setting of the elongated slide plate serves as a sliding support for the two connecting blocks.

[0011] Preferably, the rotating rod is arranged inside the hollow vertical plate, the top end of the rotating rod passes through the top end of the hollow vertical plate and the bottom end of the hollow plate in sequence and extends into the hollow plate, and the rotating rod is rotatably connected to the hollow vertical plate and the hollow plate.

[0012] Preferably, the rotating assembly includes a worm wheel, which is arranged inside the hollow plate and fixedly connected to the top of the rotating rod. A worm is meshingly connected to the outer side of the worm wheel. One end of the worm passes through one side of the hollow plate and is rotatably connected to the hollow plate. One end of the worm is fixedly connected to a turning handle.

[0013] Preferably, the limiting assembly includes a first gear, which is arranged inside the hollow plate, fixedly connected to the outside of the rotating rod, a first rack is meshedly connected to the outside of the first gear, one end of the first rack is fixedly connected to the limiting plate, a sliding groove is provided on the other side of the hollow plate, and one end of the limiting plate passes through the sliding groove and is in sliding contact with the hollow plate.

[0014] Preferably, the limiting assembly also includes a clamping block, which is fixedly connected to the bottom of the stair tread body, the clamping block is arranged inside the first clamping groove and contacts the stair beam, a limiting groove is opened on one side of the clamping block, the limiting plate is arranged inside the through groove, and one end of the limiting plate extends into the limiting groove and contacts the clamping block.

[0015] The utility model provides an all-aluminum staircase plate connection structure, which has the following beneficial effects:

[0016] 1. The all-aluminum stair slab connection structure, when the handle is turned forward, the worm is meshed with the worm wheel, and the worm wheel drives the second gear to rotate through the rotating rod, and the second gear is meshed with the two second racks, and the two second racks drive the two connecting blocks to move in opposite directions, and the two connecting blocks slide on the long slide, and the two fixing plates are stuck in the two fixing grooves to fix the stair tread body. This structure does not need to be fixed with connecting bolts, and can improve the installation progress of the stair tread body.

[0017] 2. The all-aluminum stair slab connection structure, when the rotating rod rotates, it also drives the first gear to rotate, the first gear is meshed with the first rack, the first rack drives the limit plate to slide inside the slide groove, and one end of the limit plate passes through the through groove and extends to the inside of the limit groove to fix the block, thereby improving the stability of the stair tread body. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

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

[0020] Figure 3 This is a schematic diagram of the internal structure of the hollow plate of the utility model;

[0021] Figure 4 For this utility model Figure 3 A magnified view of the structure of part A;

[0022] Figure 5 For this utility model Figure 3 Enlarged view of the structure of part B.

[0023]

Main component symbol description

[0024] 1. Stair beam; 2. Mounting groove; 3. First slot; 4. Through slot; 5. Second slot; 6. Stair tread body; 7. Block; 8. Hollow plate; 9. Hollow vertical plate; 10. Limit plate; 11. First rack; 12. First gear; 13. Rotating rod; 14. Worm gear; 15. Worm; 16. Second gear; 17. Second rack; 18. Connecting block; 19. Fixed plate; 20. Long slide plate. DETAILED DESCRIPTION

[0025] An embodiment of the utility model provides an all-aluminum staircase plate connection structure.

[0026] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 , including a stair beam 1, a plurality of mounting grooves 2 are provided on the top of the stair beam 1, a first slot 3 is formed at the center of each of the plurality of mounting grooves 2, a through slot 4 is formed on one side of each of the plurality of first slots 3, a plurality of second slots 5 are provided on the top of the stair beam 1, a fixing slot is formed on both the front and rear sides of each of the second slots 5, a plurality of stair tread bodies 6 are provided on the top of the stair beam 1, the stair tread bodies 6 are arranged in the mounting groove 2 and in contact with the stair beam 1, a hollow plate 8 is fixedly connected to the bottom of the stair tread body 6, a hollow vertical plate 9 is fixedly connected to the bottom of the hollow plate 8, the hollow vertical plate 9 is arranged in the second slot 5 and in contact with the stair beam 1, a second gear 16 is provided inside the hollow vertical plate 9, two second racks 17 are meshedly connected to the outer side of the second gear 16, and a connecting block 18 is fixedly connected to one end of each of the two second racks 17, A long slide 20 is provided between the two connecting blocks 18, and both ends of the long slide 20 pass through the two connecting blocks 18 and are slidably connected to the two connecting blocks 18. The long slide 20 is fixedly connected to the inside of the hollow vertical plate 9, and the outsides of the two connecting blocks 18 are fixedly connected with fixed plates 19. One ends of the two fixed plates 19 pass through the inner side of the hollow vertical plate 9 and are slidably connected to the hollow vertical plate 9. One ends of the two fixed plates 19 are arranged inside two fixed grooves. A rotating rod 13 is fixedly connected to the top of the second gear 16. The rotating rod 13 is arranged inside the hollow vertical plate 9. The top of the rotating rod 13 passes through the top of the hollow vertical plate 9 and the bottom of the hollow plate 8 in turn and extends to the inside of the hollow plate 8. The rotating rod 13 is rotatably connected to the hollow vertical plate 9 and the hollow plate 8. A rotating assembly is provided at the top of the rotating rod 13, and a limiting assembly is provided on the outside of the rotating rod 13.

[0027] The rotating assembly includes a worm gear 14, which is arranged inside the hollow plate 8. The worm gear 14 is fixedly connected to the top of the rotating rod 13. A worm 15 is meshingly connected to the outer side of the worm gear 14. One end of the worm 15 passes through one side of the inside of the hollow plate 8 and is rotatably connected to the hollow plate 8. One end of the worm 15 is fixedly connected to a turning handle.

[0028] Specifically, the stair tread body 6 is set on the installation groove 2, the block 7 is inserted into the first slot 3, and the hollow vertical plate 9 is inserted into the second slot 5. Then, the handle is turned forward, the worm 15 is meshed with the worm wheel 14, and the worm wheel 14 drives the second gear 16 to rotate through the rotating rod 13. The second gear 16 is meshed with the two second racks 17, and the two second racks 17 drive the two connecting blocks 18 to move in opposite directions, and the two connecting blocks 18 slide on the elongated slide 20, and the two fixing plates 19 are inserted into the two fixing grooves to fix the stair tread body 6. This structure does not require the use of connecting bolts for fixing, and can improve the installation progress of the stair tread body 6.

[0029] See also Figure 2 , Figure 3 and Figure 4 The limiting assembly includes a first gear 12, which is arranged inside the hollow plate 8, and the first gear 12 is fixedly connected to the outside of the rotating rod 13. The first gear 12 is meshed with a first rack 11 on the outside, and one end of the first rack 11 is fixedly connected to the limiting plate 10. A slide groove is provided on the other side of the hollow plate 8, and one end of the limiting plate 10 passes through the slide groove and slides in contact with the hollow plate 8. The limiting assembly also includes a block 7, which is fixedly connected to the bottom of the stair tread body 6, and the block 7 is arranged inside the first slot 3 and in contact with the stair beam 1. A limiting slot is provided on one side of the block 7, and the limiting plate 10 is arranged inside the through slot 4. One end of the limiting plate 10 extends to the inside of the limiting slot and in contact with the block 7.

[0030] Specifically, when the rotating rod 13 rotates, the first gear 12 is also driven to rotate, the first gear 12 is meshed with the first rack 11, the first rack 11 drives the limit plate 10 to slide inside the slide groove, and one end of the limit plate 10 passes through the through groove 4 and extends to the inside of the limit groove, thereby fixing the block 7, thereby improving the stability of the fixation of the stair tread body 6.

[0031] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. An all-aluminum staircase panel connection structure, comprising a staircase beam (1), characterized in that: The top of the staircase beam (1) is provided with a plurality of mounting grooves (2), the top of the staircase beam (1) is provided with a plurality of second slots (5), the front and rear sides of the second slots (5) are both provided with fixing grooves, the top of the staircase beam (1) is provided with a plurality of stair tread bodies (6), the stair tread bodies (6) are arranged inside the mounting grooves (2) and are in contact with the staircase beam (1), the bottom of the stair tread bodies (6) are fixedly connected with a hollow plate (8), the bottom of the hollow plate (8) is fixedly connected with a hollow vertical plate (9), the hollow vertical plate (9) is arranged inside the second slots (5) and is in contact with the staircase beam (1), the hollow vertical plate (9) is inside A second gear (16) is provided, and two second racks (17) are meshedly connected to the outer side of the second gear (16), one end of each of the two second racks (17) is fixedly connected to a connecting block (18), and the outer sides of each of the two connecting blocks (18) are fixedly connected to a fixing plate (19), one end of each of the two fixing plates (19) passes through the inner side of the hollow vertical plate (9) and is slidably connected to the hollow vertical plate (9), and one end of each of the two fixing plates (19) is arranged inside two fixing grooves, and a rotating rod (13) is fixedly connected to the top of the second gear (16), a rotating assembly is provided at the top of the rotating rod (13), and a limiting assembly is provided on the outer side of the rotating rod (13).

2. The all-aluminum stair slab connection structure according to claim 1, characterized in that: A first clamping slot (3) is formed at the center of each of the plurality of installation slots (2), and a through slot (4) is formed on one side of the interior of each of the plurality of first clamping slots (3).

3. The all-aluminum stair slab connection structure according to claim 1, characterized in that: An elongated slide plate (20) is provided between the two connecting blocks (18), both ends of the elongated slide plate (20) pass through the two connecting blocks (18) and are slidably connected to the two connecting blocks (18), and the elongated slide plate (20) is fixedly connected to the inside of the hollow vertical plate (9).

4. The all-aluminum stair slab connection structure according to claim 1, characterized in that: The rotating rod (13) is arranged inside the hollow vertical plate (9), and the top end of the rotating rod (13) passes through the top end of the hollow vertical plate (9) and the bottom of the hollow plate (8) in sequence and extends into the interior of the hollow plate (8). The rotating rod (13) is rotatably connected to the hollow vertical plate (9) and the hollow plate (8).

5. The all-aluminum stair slab connection structure according to claim 1, characterized in that: The rotating assembly comprises a worm wheel (14), the worm wheel (14) being arranged inside the hollow plate (8), the worm wheel (14) being fixedly connected to the top end of the rotating rod (13), the outer side of the worm wheel (14) being meshingly connected to a worm (15), one end of the worm (15) passing through one side of the inside of the hollow plate (8) and being rotatably connected to the hollow plate (8), and one end of the worm (15) being fixedly connected to a turning handle.

6. The all-aluminum stair slab connection structure according to claim 2, characterized in that: The limiting assembly comprises a first gear (12), the first gear (12) being arranged inside the hollow plate (8), the first gear (12) being fixedly connected to the outside of the rotating rod (13), the outside of the first gear (12) being meshedly connected with a first rack (11), one end of the first rack (11) being fixedly connected to the limiting plate (10), a sliding groove being provided on the other side of the hollow plate (8), one end of the limiting plate (10) passing through the sliding groove and being in sliding contact with the hollow plate (8).

7. The all-aluminum stair slab connection structure according to claim 6, characterized in that: The limit assembly further comprises a clamping block (7), the clamping block (7) being fixedly connected to the bottom of the stair tread body (6), the clamping block (7) being arranged inside the first clamping groove (3) and in contact with the stair beam (1), a limit groove being provided on one side of the clamping block (7), the limit plate (10) being arranged inside the through groove (4), one end of the limit plate (10) extending into the limit groove and in contact with the clamping block (7).

Images