Building stair steel structure framework

Abstract

The utility model relates to the technical field of buildings, in particular to a building stair steel structure framework which comprises stair plates and a stair assembly structure, the stair assembly structure comprises main frame bodies, installation shafts, installation side blocks and lock catch assemblies, each set of stair plates are arranged at the upper ends of the two sets of main frame bodies respectively, and each set of lock catch assemblies are fixedly connected with the corresponding main frame bodies respectively. The main frame body is provided with a plurality of groups of mounting shafts, the mounting shafts are respectively arranged on two sides of the corresponding ladder plates, each group of mounting shafts is respectively fixedly connected with the corresponding main frame body and is respectively arranged on two ends of the corresponding main frame body, and each group of mounting side blocks is respectively fixedly connected with the corresponding mounting shafts and is respectively arranged on two sides of the corresponding mounting shafts. The modular design is adopted, installation can be rapidly carried out, the machining process is more convenient and faster, investment of machining equipment can be reduced, meanwhile, the modular design can improve the installation efficiency, the installation time is shorter, and the needed installation technology is simpler.

Description

Technical Field

[0001] The utility model relates to the technical field of construction, in particular to a steel structure frame of a building staircase. Background Art

[0002] At present, the stair mounting structure includes stair treads and risers, the upper surface and the front end surface of the stair treads have an arc-shaped transition, the front end is provided with a tread nose extending downward and backward, the rear side of the tread nose is provided with a female groove, and the risers are fixed with a male tenon strip matching the female groove; the stair mounting structure of this application has the advantage of an ingenious structure that can prevent the stair treads from warping during use, but the adjustment performance of this application is general and it cannot be infinitely connected.

[0003] The prior art CN109083343A provides a steel structure skeleton of a building staircase, including a base ladder and an intermediate ladder, wherein the base ladder includes a bottom plate, a vertical ladder plate I, a horizontal ladder plate, a side plate I, a stud I and a socket plate I, wherein the upper end of the bottom plate is fixedly connected to the vertical ladder plate I, the upper right side of the vertical ladder plate I is fixedly connected to the horizontal ladder plate, the front and rear ends of the horizontal ladder plate are fixedly connected to the side plate I, the outer ends of the two side plates I are fixedly connected to the stud I, the right end of the horizontal ladder plate is fixedly connected to the socket plate I, the intermediate ladder includes a vertical ladder plate II, a horizontal ladder plate II, ... vertical ladder plate II, a horizontal ladder plate II, a vertical ladder plate II, a vertical ladder plate II, a vertical ladder plate II, a vertical ladder plate II, a vertical ladder plate II, a vertical ladder plate II, a vertical ladder plate II, a vertical ladder plate II, a vertical ladder plate II, a vertical ladder plate II, a vertical ladder plate Plate II, side plate II, connecting rod, stud II and plug-in column, the front and rear ends of the lower end of the vertical ladder plate II are fixedly connected with plug-in columns, and the two plug-in columns are respectively inserted in the front and rear ends of the socket plate I with clearance fit, the right end of the upper end of the vertical ladder plate II is fixedly connected with the horizontal ladder plate II, the front and rear ends of the horizontal ladder plate II are fixedly connected with the side plate II, the outer ends of the two side plates II are fixedly connected with stud II, the two ends of the two connecting rods are inserted between the stud II and the stud I on the same side, and the outermost ends of the stud II and the stud I are connected with nuts through threads.

[0004] However, in the prior art, the installation of the steel structure frame is relatively complicated and requires a long installation time, resulting in low installation efficiency and the inability to quickly install and fix. Utility Model Content

[0005] The purpose of the utility model is to provide a steel structure frame for building stairs, aiming to solve the technical problems in the prior art that the installation of the steel structure frame is complicated, requires a long installation time, leads to low installation efficiency, and cannot be installed and fixed quickly.

[0006] To achieve the above-mentioned purpose, the utility model adopts a steel structure skeleton of a building staircase, including a stair tread and a ladder frame structure, wherein the ladder frame structure includes a main frame, a mounting shaft, a mounting side block and a locking assembly, the main frames are in two groups, the stair treads are in multiple groups, each group of the stair treads is respectively arranged at the upper ends of the two groups of the main frames, the locking assemblies are in multiple groups, each group of the locking assemblies is respectively fixedly connected to the corresponding main frames and are respectively located at two sides of the corresponding stair treads, the mounting shafts are in multiple groups, each group of the mounting shafts is respectively fixedly connected to the corresponding main frames and are respectively located at two ends of the corresponding main frames, the mounting side blocks are in multiple groups, each group of the mounting side blocks is respectively fixedly connected to the corresponding mounting shafts and are respectively located at two sides of the corresponding mounting shafts.

[0007] Among them, each group of the locking components includes an embedded plate, a side plate, a locking plate, a screw and a nut, the embedded plate is fixedly connected to the side plate and is located on one side of the side plate, the locking plate is fixedly connected to the side plate and is located on one side of the side plate, the screw is fixedly connected to the main frame and is located at the lower end of the main frame, the embedded plate is embedded in the interior of the ladder plate, the nut is threadedly connected to the screw and is sleeved on the outer wall of the screw, and the locking plate is located between the nut and the main frame.

[0008] Wherein, the ladder frame structure also includes inclined ribs, and the number of the inclined ribs is multiple, and both ends of each of the inclined ribs are respectively fixedly connected to the main frame body and are respectively located at the lower end of the main frame body.

[0009] Among them, the building staircase steel structure skeleton also includes a bottom support assembly, and the number of the bottom support assemblies is multiple groups, and each group of the bottom support assemblies is respectively arranged at the lower end of the main frame.

[0010] Among them, each group of the bottom support assembly includes a support rod, a mounting bottom ring, a support plate and a locking ring, the mounting bottom ring is fixedly connected to the support rod and sleeved on the outer wall of the support rod, the support plate is fixedly connected to the support rod and sleeved on the outer wall of the support rod, and the support plate is located at the lower end of the main frame, one end of the support rod passes through the main frame and is threadedly connected to the locking ring, and the locking ring is sleeved on the outer wall of the support rod.

[0011] The utility model discloses a building staircase steel structure skeleton, two groups of the main frame bodies are installed and fixed by the installation shaft and the installation side blocks. During installation, the installation side blocks can be fixed by means of locking bolts penetrating the installation side blocks. After the main frame bodies are installed, the ladder plates are prevented from being at the upper ends of the two groups of the main frame bodies, and the two groups of the locking components are inserted into the corresponding ladder plates, and the locking components are locked to fix the ladder plates on the main frame bodies, so as to complete the fixation of the ladder plates, and a staircase steel frame structure is formed by the ladder plates and the main frame bodies. The arrangement of the above structure adopts a modular design, which can be quickly installed, and is more convenient and quick during the processing, which can reduce the investment in processing equipment. At the same time, the modular design can improve the installation efficiency, make the installation time shorter, and make the required installation technology simpler. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0013] Figure 1 It is a structural schematic diagram of the first embodiment of the utility model.

[0014] Figure 2 It is a partial structural sectional view of the first embodiment of the utility model.

[0015] Figure 3 It is a structural schematic diagram of the second embodiment of the utility model.

[0016] 101-ladder plate, 102-main frame, 103-installation shaft, 104-installation side block, 105-embedded plate, 106-side plate, 107-locking plate, 108-screw, 109-nut, 110-inclined rib plate, 201-support rod, 202-installation bottom ring, 203-support plate, 204-locking ring. DETAILED DESCRIPTION

[0017] The first embodiment of the present application is:

[0018] See also Figure 1 and Figure 2 ,in Figure 1 It is a structural schematic diagram of the first embodiment of the utility model. Figure 2 It is a partial structural sectional view of the first embodiment of the utility model.

[0019] The utility model provides a steel structure skeleton of a building staircase: it includes a ladder plate 101 and a ladder frame structure, the ladder frame structure includes a main frame body 102, an installation shaft 103, an installation side block 104, a locking assembly and an inclined rib plate 110, and the locking assembly includes an embedded plate 105, a side plate 106, a locking plate 107, a screw rod 108 and a nut 109.

[0020] According to this specific embodiment, the main frame 102 is installed and fixed by the installation shaft 103 and the installation side block 104, the main frame 102 supports the ladder plate 101, and the ladder plate 101 is fixed by the locking assembly.

[0021] There are two groups of main frames 102, multiple groups of ladder plates 101, each group of ladder plates 101 is respectively arranged at the upper ends of the two groups of main frames 102, multiple groups of locking components, each group of locking components is respectively fixedly connected to the corresponding main frames 102 and is respectively located at both sides of the corresponding ladder plates 101, multiple groups of mounting shafts 103, each group of mounting shafts 103 is respectively fixedly connected to the corresponding main frames 102 and is respectively located at both ends of the corresponding main frames 102, multiple groups of mounting side blocks 104, each group of mounting side blocks 104 is respectively fixedly connected to the corresponding mounting shafts 103, And they are respectively located on both sides of the corresponding installation axis 103, and the two groups of the main frame bodies 102 are installed and fixed by the installation axis 103 and the installation side blocks 104. During installation, they can be fixed by means of locking bolts that penetrate the installation side blocks 104. After the main frame bodies 102 are installed, the ladder plates 101 are placed at the upper ends of the two groups of the main frame bodies 102, and the two groups of the locking components are inserted into the corresponding ladder plates 101 at the same time, and the locking components are locked to fix the ladder plates 101 on the main frame bodies 102, so as to complete the fixation of the ladder plates 101, and a stair steel frame structure is formed by the ladder plates 101 and the main frame bodies 102.

[0022] Secondly, the embedded plate 105 is fixedly connected to the side plate 106 and is located on one side of the side plate 106, the locking plate 107 is fixedly connected to the side plate 106 and is located on one side of the side plate 106, the screw 108 is fixedly connected to the main frame 102 and is located at the lower end of the main frame 102, the embedded plate 105 is embedded in the interior of the ladder plate 101, the nut 109 is threadedly connected to the screw 108 and is sleeved on the outer wall of the screw 108, and .... The embedded plate 105 and the locking plate 107 are fixed by the side plate 106 between the nut 109 and the main frame 102, and the embedded plate 105 is inserted into the interior of the ladder plate 101. At the same time, the screw 108 is located inside the locking plate 107, and the nut 109 is locked on the screw 108 to fix the locking plate 107, so that the ladder plate 101 cannot move left and right and up and down, thereby maintaining the stability of the ladder plate 101.

[0023] At the same time, there are multiple inclined ribs 110, and both ends of each inclined rib 110 are fixedly connected to the main frame 102 and are respectively located at the lower end of the main frame 102. The inclined ribs 110 can improve the supporting strength of the main frame 102, thereby improving the use strength and bearing capacity of the overall skeleton.

[0024] When using a building staircase steel structure skeleton of this embodiment, the two groups of the main frame bodies 102 are installed and fixed by the installation shaft 103 and the installation side block 104. During installation, the installation side block 104 can be penetrated and fixed by means of locking bolts. After the main frame bodies 102 are installed, the ladder plate 101 is placed at the upper ends of the two groups of the main frame bodies 102, and the two groups of the locking components are inserted into the corresponding ladder plates 101, and the locking components are locked to fix the ladder plates 101 on the main frame bodies 102, thereby completing the fixation of the ladder plates 101. The frame 102 forms a stair steel frame structure, and the embedded plate 105 and the locking plate 107 are fixed by the side plate 106, and the embedded plate 105 is inserted into the interior of the stair tread 101. At the same time, the screw 108 is located inside the locking plate 107, and the nut 109 is locked on the screw 108 to fix the locking plate 107, so that the stair tread 101 cannot move left and right and up and down, thereby maintaining the stability of the stair tread 101. The supporting strength of the main frame 102 can be improved by the inclined rib plate 110, thereby improving the service strength and bearing capacity of the overall skeleton.

[0025] The second embodiment of the present application is:

[0026] Based on the first embodiment, please refer to Figure 3 ,in Figure 3 It is a structural schematic diagram of the second embodiment of the utility model.

[0027] The utility model provides a steel structure skeleton of a building staircase: it also includes a bottom support assembly, and the bottom support assembly includes a support rod 201, a mounting bottom ring 202, a support plate 203 and a locking ring 204.

[0028] According to this specific embodiment, the main frame 102 can be supported by the bottom support assembly, and the lower end of each step of the ladder plate 101 can be supported at the same time, thereby improving the overall supporting strength of the main frame 102.

[0029] Among them, there are multiple groups of bottom support assemblies, and each group of bottom support assemblies is respectively arranged at the lower end of the main frame 102. The main frame 102 can be supported by the bottom support assemblies, and the lower end of each level of the ladder plate 101 can be supported at the same time, thereby improving the overall supporting strength of the main frame 102 and the load-bearing strength of the overall steel structure skeleton.

[0030] Secondly, the mounting bottom ring 202 is fixedly connected to the support rod 201 and is sleeved on the outer wall of the support rod 201, the support plate 203 is fixedly connected to the support rod 201 and is sleeved on the outer wall of the support rod 201, and the support plate 203 is located at the lower end of the main frame 102, one end of the support rod 201 passes through the main frame 102 and is threadedly connected to the locking ring 204, and the locking ring 204 is sleeved on the outer wall of the support rod 201, so that one end of the support rod 201 passes through the main frame 102, and at the same time, the support plate 203 supports the bottom of the main frame 102, and the locking ring 204 is threadedly locked to the outer wall of the support rod 201, so that the main frame 102 is located between the locking ring 204 and the support plate 203, and the support rod 201 selects different lengths according to different positions of the main frame 102.

[0031] When using a building staircase steel structure skeleton of the present embodiment, one end of the support rod 201 is passed through the main frame 102, and the support plate 203 supports the bottom of the main frame 102, and the locking ring 204 is threadedly locked to the outer wall of the support rod 201, so that the main frame 102 is located between the locking ring 204 and the support plate 203. The support rod 201 is selected with different lengths according to different positions of the main frame 102. The main frame 102 can be supported by the bottom support assembly, and the lower end of each step of the ladder plate 101 is supported, thereby improving the overall supporting strength of the main frame 102 and the load-bearing strength of the overall steel structure skeleton.

[0032] The above disclosure is only a preferred embodiment of the present invention, and certainly cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made according to the claims of the present invention still fall within the scope covered by the utility model.

Claims

1. A steel structure frame of a building staircase, comprising a stair tread, characterized in that: Also included is a ladder frame structure; The ladder frame structure includes a main frame body, a mounting shaft, a mounting side block and a locking assembly, the main frame body is in two groups, the ladder plates are in multiple groups, each group of the ladder plates are respectively arranged at the upper ends of the two groups of the main frames, the locking assemblies are in multiple groups, each group of the locking assemblies are respectively fixedly connected to the corresponding main frame body and are respectively located at two ends of the corresponding main frame body, the mounting shafts are in multiple groups, each group of the mounting shafts are respectively fixedly connected to the corresponding main frame body and are respectively located at two ends of the corresponding main frame, the mounting side blocks are in multiple groups, each group of the mounting side blocks are respectively fixedly connected to the corresponding mounting shaft and are respectively located at two ends of the corresponding mounting shaft.

2. A building staircase steel structure skeleton as claimed in claim 1, characterized in that: Each group of the locking components includes an embedded plate, a side plate, a locking plate, a screw and a nut. The embedded plate is fixedly connected to the side plate and is located on one side of the side plate. The locking plate is fixedly connected to the side plate and is located on one side of the side plate. The screw is fixedly connected to the main frame and is located at the lower end of the main frame. The embedded plate is embedded in the interior of the ladder plate. The nut is threadedly connected to the screw and is sleeved on the outer wall of the screw, and the locking plate is located between the nut and the main frame.

3. A building staircase steel structure skeleton as claimed in claim 2, characterized in that: The ladder frame structure also includes a plurality of inclined ribs, and both ends of each inclined rib are respectively fixedly connected to the main frame body and are respectively located at the lower end of the main frame body.

4. A building staircase steel structure skeleton as claimed in claim 3, characterized in that: The building staircase steel structure skeleton also includes a bottom support assembly, and the bottom support assembly is provided in multiple groups, and each group of the bottom support assemblies is respectively arranged at the lower end of the main frame.

5. A building staircase steel structure skeleton as claimed in claim 4, characterized in that: Each group of the bottom support assembly includes a support rod, a mounting bottom ring, a support plate and a locking ring. The mounting bottom ring is fixedly connected to the support rod and sleeved on the outer wall of the support rod. The support plate is fixedly connected to the support rod and sleeved on the outer wall of the support rod. The support plate is located at the lower end of the main frame. One end of the support rod passes through the main frame and is threadedly connected to the locking ring. The locking ring is sleeved on the outer wall of the support rod.

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