Connecting device of assembly type staircase and assembly type staircase

Abstract

The utility model provides a connecting device of an assembly type staircase and the assembly type staircase, and relates to the technical field of assembly type staircases, the connecting device comprises a staircase body, L-shaped plates are embedded in the bottoms of the two ends of the staircase body, an annular inclined plate is arranged below the staircase body, a net plate is fixedly connected in the annular inclined plate, and the net plate is connected with the L-shaped plates. First square grooves are formed in the inner walls of the bottoms of the L-shaped plates correspondingly, and fixing plates are arranged in the first square grooves. The screw rod penetrates through the fixing plate and the protection plate from the bottom of the L-shaped plate, the screw barrel is arranged on the surface of the screw rod from the position above the protection plate, the rotating disc can be driven to rotate through the hexagonal groove, the screw barrel can be completely arranged on the screw rod in a sleeving mode, and the effect of installing the stair body can be achieved; and meanwhile, the stair body and the L-shaped plate can be well protected in the mounting and dismounting process, so that the effect of preventing the stair body and the L-shaped plate from being damaged in the mounting or dismounting process of the screw rod and the screw cylinder can be achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of assembled stairs, in particular to a connecting device of assembled stairs and an assembled staircase. Background Art

[0002] Prefabricated stairs are prefabricated components formed by multiple stair panels connected up and down. They have the characteristics of fast construction speed, convenient operation, and high appearance quality. They can meet the requirements of green buildings for high efficiency, high quality, low cost, and low energy consumption.

[0003] Existing, such as China Patent Publication No.: CN108385908B This application involves the present invention, which discloses a connection device for assembled stairs, assembled stairs and their installation method, belonging to the technical field of assembled buildings, and solves the problem in the prior art that the staircase plate cannot simultaneously satisfy the release of the diagonal bracing function along the stair direction and the resistance to the earthquake force in the direction perpendicular to the stair direction. The above-mentioned connection device includes a bolt, an elastic injection piece sleeved on the upper part of the bolt, and a nut fixedly connected to the upper end of the bolt; the shape of the elastic injection piece is a dumbbell shape. The above-mentioned connection device can be used for the connection of assembled stairs.

[0004] Although the elastic injection piece in the above patent is in the shape of a dumbbell, the above connection device can be used for the connection of assembled stairs, but the assembled stairs are installed and connected by bolts and sleeves on the bolts, which will cause wear to the assembled stairs during the installation and removal process. At the same time, when the assembled stairs are broken, the staircase plate will lose its restraint and fall, which poses a great safety hazard. Utility Model Content

[0005] The purpose of the utility model is to solve the problem in the above patent technology that the assembled stairs are installed and connected by bolts and sleeves on the bolts, which will cause wear to the assembled stairs during the installation and disassembly process, and to propose a connecting device for assembled stairs and assembled stairs.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a connecting device of an assembled staircase and an assembled staircase, comprising a staircase body, wherein L-shaped plates are embedded in the bottom of both ends of the staircase body, an annular inclined plate is provided under the staircase body, a mesh plate is fixedly connected to the inside of the annular inclined plate, a first square groove is opened on the bottom inner wall of the L-shaped plate, a fixing plate is provided inside the first square groove, the fixing plate is fixedly connected to the annular inclined plate, a first embedding groove is opened on the top of both ends of the staircase body, a second square groove is opened on the bottom inner wall of the first embedding groove, four turntables are provided inside the second square groove, two connecting plates are provided at the bottom of the L-shaped plate, four screws are penetrated by the bottom of the L-shaped plate, two of the screws penetrate the fixing plate and are slidably connected thereto, a screw barrel is sleeved on the surface of the screw and threadedly connected, the bottom of the screw is fixedly connected to the top of the connecting plate, and the bottom of the top turntable of the screw barrel is fixedly connected.

[0007] Preferably, a protective plate is provided inside the second square groove, and the bottom of the turntable is embedded in the surface of the protective plate.

[0008] Preferably, the top of the connecting plate is embedded in the bottom of the L-shaped plate.

[0009] Preferably, the top of the turntable is provided with a hexagonal groove.

[0010] Preferably, a second embedding groove is provided at the top of the L-shaped plate and close to one inner wall, and a cover plate is embedded in the second embedding groove and connected with a pin.

[0011] Preferably, the other end of the cover plate is located inside the first embedding groove and is snap-connected thereto.

[0012] Compared with the prior art, the advantages and positive effects of the utility model are:

[0013] 1. In the utility model, the screw rod is passed through the fixing plate and the protection plate from the bottom of the L-shaped plate, and the screw barrel is arranged on the surface of the screw rod from above the protection plate. At this time, the turntable can be driven to rotate through the hexagonal groove, so that the screw barrel can be completely sleeved on the screw rod, which can achieve the effect of installing the staircase body. At the same time, the staircase body and the L-shaped plate can be well protected during the installation and disassembly process, thereby preventing the staircase body and the L-shaped plate from being damaged during the installation or disassembly process of the screw rod and the screw barrel.

[0014] 2. In the utility model, an annular inclined plate is provided at the bottom of the stair body, and a mesh plate is fixed inside the annular inclined plate, which can prevent the stair body from breaking and falling due to lack of support points, thereby improving the safety performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1The utility model provides a connection device for an assembled staircase and a stereoscopic diagram of the overall structure of the assembled staircase;

[0016] Figure 2 The utility model proposes a connection device for an assembled staircase and an overall structural plan of the assembled staircase;

[0017] Figure 3 The utility model provides a connection device for an assembled staircase and a three-dimensional diagram of the staircase body structure of the assembled staircase;

[0018] Figure 4 The utility model provides a connection device for an assembled staircase and a three-dimensional diagram of a ring-shaped inclined plate structure of the assembled staircase;

[0019] Figure 5 The utility model provides a connection device for an assembled staircase and a three-dimensional diagram of an L-shaped plate structure of the assembled staircase;

[0020] Figure 6 The utility model provides a connection device for an assembled staircase and a partial structural stereogram of the assembled staircase;

[0021] Figure 7 The utility model provides a connecting device of an assembled staircase and a three-dimensional diagram of the connecting plate structure of the assembled staircase.

[0022] Legend: 1. Staircase body; 2. L-shaped plate; 3. Annular inclined plate; 4. Mesh plate; 5. First square groove; 6. Fixed plate; 7. First embedded groove; 8. Second square groove; 9. Connecting plate; 10. Screw rod; 11. Screw barrel; 12. Protective plate; 13. Turntable; 14. Hexagonal groove; 15. Second embedded groove; 16. Cover plate. DETAILED DESCRIPTION

[0023] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0024] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0025] Embodiment 1, as Figure 1-7As shown, the utility model provides a connection device for an assembled staircase and an assembled staircase, comprising a staircase body 1, L-shaped plates 2 are embedded at the bottoms of both ends of the staircase body 1, an annular inclined plate 3 is provided below the staircase body 1, a mesh plate 4 is fixedly connected inside the annular inclined plate 3, a first square groove 5 is opened on the bottom inner wall of the L-shaped plate 2, a fixing plate 6 is provided inside the first square groove 5, the fixing plate 6 is fixedly connected to the annular inclined plate 3, a first embedding groove 7 is opened on the tops of both ends of the staircase body 1, a second square groove 8 is opened on the bottom inner wall of the first embedding groove 7, four turntables 13 are provided inside the second square groove 8, two connecting plates 9 are provided at the bottom of the L-shaped plate 2, four screws 10 are penetrated at the bottom of the L-shaped plate 2, two of which penetrate the fixing plate 6 and are slidably connected thereto, a screw barrel 11 is sleeved on the surface of the screw rod 10 and threadedly connected, the bottom of the screw 10 is fixedly connected to the top of the connecting plate 9, and the bottom of the top turntable 13 of the screw barrel 11 is fixedly connected.

[0026] The effect achieved by the entire embodiment 1 is that L-shaped plates 2 are embedded at the bottom of both ends of the staircase body 1, an annular inclined plate 3 is provided below the staircase body 1, and a mesh plate 4 is fixedly connected inside the annular inclined plate 3, which can play the effect of supporting the bottom of the staircase body 1, and a first square groove 5 is opened on the bottom inner wall of the L-shaped plate 2, and a fixing plate 6 is provided inside the first square groove 5, and the fixing plate 6 is fixedly connected to the annular inclined plate 3, which can play the effect of limiting the two ends of the annular inclined plate 3, and a first embedding groove 7 is opened at the top of both ends of the staircase body 1, and the bottom of the first embedding groove 7 is A second square groove 8 is opened on the inner wall, and four turntables 13 are arranged inside the second square groove 8. Two connecting plates 9 are arranged at the bottom of the L-shaped plate 2. Four screws 10 are passed through the bottom of the L-shaped plate 2, two of which pass through the fixed plate 6 and are slidably connected thereto. A screw barrel 11 is sleeved and threadedly connected on the surface of the screw rod 10. The bottom of the screw rod 10 is fixedly connected to the top of the connecting plate 9, and the top of the screw barrel 11 is fixedly connected to the bottom of the turntable 13, so that the screw barrel 11 can be sleeved on the surface of the screw rod 10 and the turntable 13 is rotated, so as to connect the stair body 1.

[0027] Embodiment 2, as Figure 1-7 As shown, a protective plate 12 is provided inside the second square groove 8, and the bottom of the turntable 13 is embedded in the surface of the protective plate 12; the top of the connecting plate 9 is embedded in the bottom of the L-shaped plate 2; a hexagonal groove 14 is provided on the top of the turntable 13; a second embedding groove 15 is provided at the top of the L-shaped plate 2 and close to the inner wall on one side, and a cover plate 16 is embedded in the second embedding groove 15 and connected with a pin shaft; the other end of the cover plate 16 is located inside the first embedding groove 7 and is snap-connected with it.

[0028] The effect achieved by the entire embodiment 2 is that a protective plate 12 is provided inside the second square groove 8, and the bottom of the turntable 13 is embedded in the surface of the protective plate 12, which can prevent the bottom of the turntable 13 from damaging the bottom inner wall of the first square groove 5; the top of the connecting plate 9 is embedded in the bottom of the L-shaped plate 2, which can limit the connecting plate 9; the top of the turntable 13 is provided with a hexagonal groove 14, which can facilitate the rotation of the turntable 13; the second embedding groove 15 is provided through the top of the L-shaped plate 2 and close to one side of the inner wall, and the inside of the second embedding groove 15 is embedded with a cover plate 16 and pin-connected, which can facilitate the rotation of the cover plate 16; the other end of the cover plate 16 is located in the first embedding groove 7 and is snap-connected with it, which can snap and fix the cover plate 16.

[0029] Working principle: by passing the screw rod 10 through the fixing plate 6 and the protection plate 12 from the bottom of the L-shaped plate 2, the screw barrel 11 is set on the surface of the screw rod 10 from above the protection plate 12. At this time, the turntable 13 can be driven to rotate through the hexagonal groove 14, so that the screw barrel 11 can be completely sleeved on the screw rod 10, which can play the effect of installing the stair body 1. At the same time, the stair body 1 and the L-shaped plate 2 can be well protected during the installation and disassembly process, thereby preventing the stair body 1 and the L-shaped plate 2 from being damaged during the installation or disassembly of the screw rod 10 and the screw barrel 11. At the same time, an annular inclined plate 3 is provided at the bottom of the stair body 1, and a mesh plate 4 is fixed inside the annular inclined plate 3, which can prevent the stair body 1 from breaking and causing the stair body 1 to fall due to lack of support points, thereby improving the safety performance.

[0030] The wiring diagram of the mesh plate 4 in the present invention belongs to the common knowledge in the field, and its working principle is a well-known technology. The model is selected according to the actual use, so the control method and wiring arrangement of the mesh plate 4 are not explained in detail.

[0031] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A connection device for an assembled staircase and an assembled staircase, comprising a staircase body (1), characterized in that: L-shaped plates (2) are embedded at the bottom of both ends of the staircase body (1); an annular inclined plate (3) is provided below the staircase body (1); a mesh plate (4) is fixedly connected to the inside of the annular inclined plate (3); a first square groove (5) is provided on the bottom inner wall of the L-shaped plate (2); a fixing plate (6) is provided inside the first square groove (5); the fixing plate (6) is fixedly connected to the annular inclined plate (3); a first embedding groove (7) is provided at the top of both ends of the staircase body (1); a first embedding groove (7) is provided on the bottom inner wall of the first embedding groove (7); Two square grooves (8), four turntables (13) are arranged inside the second square grooves (8), two connecting plates (9) are arranged at the bottom of the L-shaped plate (2), four screw rods (10) are passed through the bottom of the L-shaped plate (2), two of the screw rods (10) pass through the fixed plate (6) and are slidably connected thereto, a screw barrel (11) is sleeved on the surface of the screw rod (10) and is threadedly connected thereto, the bottom of the screw rod (10) is fixedly connected to the top of the connecting plate (9), and the top of the screw barrel (11) is fixedly connected to the bottom of the turntable (13).

2. The connection device of an assembled staircase and the assembled staircase according to claim 1, characterized in that: A protective plate (12) is provided inside the second square groove (8), and the bottom of the rotating disk (13) is embedded in the surface of the protective plate (12).

3. The connection device of an assembled staircase and the assembled staircase according to claim 1, characterized in that: The top of the connecting plate (9) is embedded in the bottom of the L-shaped plate (2).

4. The connection device of an assembled staircase and the assembled staircase according to claim 1, characterized in that: The top of the rotating disk (13) is provided with a hexagonal groove (14).

5. The connection device of an assembled staircase and the assembled staircase according to claim 1, characterized in that: A second embedding groove (15) is provided at the top of the L-shaped plate (2) and close to one inner wall, and a cover plate (16) is embedded in the second embedding groove (15) and connected with a pin.

6. The connection device of the assembled staircase and the assembled staircase according to claim 5, characterized in that: The other end of the cover plate (16) is located inside the first embedding groove (7) and is snap-connected thereto.

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