Protective guard for stage

Abstract

The utility model relates to the technical field of protective guards, and discloses a protective guard for a stage, which comprises a base arranged on a stage plate, main bearing columns are fixedly connected to the upper side surfaces of the two ends of the base, moving rods are inserted into the upper ends of the two main bearing columns, and a top beam is fixedly mounted between the upper ends of the two moving rods. An adjusting groove matched with the moving rod is formed in the upper end of the main bearing column, a movable cavity is formed in the inner side wall of the adjusting groove, an abutting seat with one side matched with threads on the side face of the moving rod is movably connected into the movable cavity, and a moving column extending to the outside is fixedly installed on the side, away from the moving rod, of the abutting seat; the side face of the movable column is sleeved with an elastic piece which is located between one side of the abutting base and the inner side wall of the movable cavity and has elasticity. According to the protective fence height adjusting device, the movable rod can be rapidly adjusted and fixed by moving the abutting base, the height of the protective fence can be conveniently and rapidly adjusted, the efficiency of adjusting the height of the protective fence is improved, and meanwhile the labor intensity of adjusting personnel is reduced.

Description

Technical Field

[0001] This utility model relates to the field of protective railing technology, specifically a protective railing for stage use. Background Technology

[0002] A stage is a space provided for actors to perform. It allows the audience to focus their attention on the actors' performance and achieve the desired viewing effect. A stage usually consists of one or more platforms. In order to ensure order between the stage and the audience and to prevent items from rolling off the stage, protective railings are usually installed around the stage.

[0003] A search revealed a patent, CN221742252U, which discloses a stage safety railing. This railing includes a safety railing with six weight-reducing grooves on its surface and two sliding grooves at its bottom. Two sliding rods are slidably connected inside each of the two sliding grooves. A connecting base plate is fixedly connected to the lower ends of the two sliding rods, and two support legs are fixedly connected inside the connecting base plate. An adjustment device is provided at the top of the connecting base plate. In this stage safety railing, rotating the threaded rods causes the threaded sleeves to slide downwards through the threaded connection with them. The threaded sleeves then cause the connecting base plate and the two support legs to slide downwards and support the railing on the ground. At this time, the safety railing is lifted upwards, and the two sliding rods slide out of the sliding grooves, limiting and fixing the safety railing and preventing rotation, thus ensuring the stability of the safety railing installation.

[0004] The aforementioned patents have significant beneficial effects, but in practical application, they still have the following shortcomings:

[0005] The aforementioned comparative document describes how the height of the guardrail is adjusted by rotating a threaded rod. However, in practice, if a significant height difference needs to be adjusted, the threaded rod must be rotated multiple times to achieve the desired effect. Therefore, adjusting the guardrail height in the aforementioned comparative document is cumbersome and increases the workload of the adjustment personnel. Consequently, there is an urgent need in the field to improve the guardrail to address the shortcomings of the existing technology. Utility Model Content

[0006] In view of the shortcomings of the existing technology, this utility model provides a stage safety railing that improves the efficiency of height adjustment while reducing the labor intensity of the adjustment personnel.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a stage safety railing, comprising a base placed on a stage board, with main support columns fixedly connected to the upper sides of both ends of the base, and movable rods inserted into the upper ends of the two main support columns, with a top beam fixedly installed between the upper ends of the two movable rods, an adjustment groove adapted to the movable rods being opened at the upper end of the main support column, a movable cavity being opened in the inner wall of the adjustment groove, a retaining seat movably connected in the movable cavity with one side threaded to the side of the movable rod, a movable column extending to the outside being fixedly installed on the side of the retaining seat away from the movable rod, an elastic element with elasticity located between the side of the retaining seat and the inner wall of the movable cavity being sleeved on the side of the movable column, and a pulling plate being fixedly connected to the outer end of the movable column.

[0008] Preferably, a plurality of fixed hollow columns are fixedly installed on the upper side of the base, and a plurality of movable plug-in columns inserted into the fixed hollow columns are fixedly installed on the lower side of the top beam.

[0009] Preferably, at least two first connecting plates are provided on one side of the base. A vertical connecting plate adapted to the side of the stage board is fixedly connected to the end of the first connecting plate away from the base. A horizontal fixing plate perpendicular to the vertical connecting plate is fixedly connected to the end of the vertical connecting plate away from the first connecting plate. An adjusting threaded rod is threaded through and threaded onto the horizontal fixing plate. A clamping plate located between the first connecting plate and the horizontal fixing plate is rotatably connected to one end of the adjusting threaded rod. A first limiting nut is threaded onto the side of the adjusting threaded rod.

[0010] Preferably, a second connecting plate is sleeved on one end of the first connecting plate and disposed on one side of the base, and a limiting bolt with one end abutting against the side of the first connecting plate is threadedly connected to one side of the second connecting plate.

[0011] Preferably, a movable seat is fixedly installed at one end of the second connecting plate, a movable groove adapted to the movable seat is opened on one side of the base, a threaded column is fixedly installed on one side of the movable seat, a displacement groove adapted to the threaded column is opened on one side of the base, and a second limiting nut is threadedly connected to the side of the threaded column.

[0012] Preferably, a third limiting nut is threadedly connected to the side of the movable rod, and the side of the third limiting nut is tightly abutted against the upper end of the main bearing column.

[0013] Preferably, the movable groove extends through both ends of the base, and the threaded column is threadedly connected to one side of the movable base.

[0014] To address the shortcomings of existing technologies, this utility model provides a stage safety railing that overcomes these deficiencies. The beneficial effects of this utility model are as follows:

[0015] 1. In this utility model, the moving rod can be quickly adjusted and fixed by moving the abutment, which facilitates the rapid adjustment of the height of the guardrail, improves the efficiency of height adjustment of the guardrail, and reduces the labor intensity of the adjustment personnel.

[0016] 2. In this utility model, the position of the clamping plate is adjusted by adjusting the threaded rod. The first connecting plate and the clamping plate are clamped on the side of the stage board. The first connecting plate can slide inside the second connecting plate, which makes it easy to fix the guardrail on the side of the stage board and facilitates fixing and subsequent disassembly.

[0017] 3. In this utility model, by moving the movable seat within the movable groove, the position of the second connecting plate on the side of the base can be adjusted to avoid the equipment installed on the stage board, thereby improving the applicability of the overall guardrail.

[0018] Other features and advantages of this invention will be set forth in the description which follows, and will be apparent in part from the description, or may be learned by practicing the invention. The objects and other advantages of this invention can be realized and obtained by means of the structures pointed out in the description, claims, and drawings. Attached Figure Description

[0019] The accompanying drawings are provided to further understand the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation thereof.

[0020] Figure 1 This is a schematic diagram of the structure of the present invention after it has been installed as a whole on the edge of the stage board;

[0021] Figure 2 This is a partial cross-sectional structural diagram of the main load-bearing column and the movable rod in this utility model;

[0022] Figure 3 This is a schematic diagram of the structure of the clamping seat in this utility model;

[0023] Figure 4 This is a schematic diagram of the structure of the movable seat, etc., in this utility model;

[0024] Figure 5 for Figure 1 Enlarged structural diagram at point A in the middle.

[0025] In the diagram: 1. Base; 2. Main load-bearing column; 3. Moving rod; 4. Top beam; 5. Adjusting groove; 6. Movable cavity; 7. Clamping seat; 8. Moving column; 9. Elastic element; 10. Pulling plate; 11. Fixed hollow column; 12. Moving plug-in column; 13. First connecting plate; 14. Vertical connecting plate; 15. Horizontal fixing plate; 16. Pressing plate; 17. Adjusting threaded rod; 18. First limit nut; 19. Second connecting plate; 20. Limit bolt; 21. Moving seat; 22. Moving groove; 23. Threaded column; 24. Second limit nut; 25. Displacement groove; 26. Third limit nut; 27. Stage board. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] Please see Figures 1-5 A stage safety railing includes a base 1 placed on a stage board 27. Main support columns 2 are fixedly connected to the upper sides of both ends of the base 1. Movable rods 3 are inserted into the upper ends of the two main support columns 2. A top beam 4 is fixedly installed between the upper ends of the two movable rods 3. An adjustment groove 5 adapted to the movable rod 3 is opened at the upper end of the main support column 2. A movable cavity 6 is opened in the inner wall of the adjustment groove 5. A retaining seat 7 with one side threaded to the side of the movable rod 3 is movably connected in the movable cavity 6. A movable column 8 extending to the outside is fixedly installed on the side of the retaining seat 7 away from the movable rod 3. An elastic element 9 with elasticity is sleeved on the side of the movable column 8 between the side of the retaining seat 7 and the inner wall of the movable cavity 6. A pulling plate 10 is fixedly connected to the outer end of the movable column 8.

[0028] Specifically, the base 1 is placed on the stage board 27. When the height of the overall guardrail needs to be adjusted, the pulling plate 10 is pulled away from the main support column 2. The pulling plate 10 drives the moving column 8 to move, and the moving column 8 drives the pressing seat 7 to move in the movable cavity 6. At this time, the threads on the side of the pressing seat 7 disengage from the threads on the side of the moving rod 3. At the same time, the pressing seat 7 squeezes the elastic element 9, which is a spring. The height of the moving rod 3 can then be adjusted. The moving rod 3 moves up and down in the adjustment groove 5, thereby adjusting the height of the top beam 4, achieving the effect of adjusting the height of the overall guardrail. After the height of the guardrail is adjusted, the pulling plate 10 is released. The tension of the elastic element 9 pushes the pressing seat 7 to move towards the moving rod 3 in the movable cavity 6. The threads on the side of the pressing seat 7 engage with the threads on the side of the moving rod 3, thus limiting the position of the top beam 4. This facilitates quick adjustment of the guardrail height, improves the efficiency of height adjustment, and reduces the labor intensity of the adjustment personnel.

[0029] As a technical optimization of this utility model, a number of fixed hollow columns 11 are fixedly installed on the upper side of the base 1, and a number of movable plug-in columns 12 inserted into the fixed hollow columns 11 are fixedly installed on the lower side of the top beam 4. When the height of the top beam 4 is adjusted, the top beam 4 drives the number of movable plug-in columns 12 to move at the upper end of the fixed hollow columns 11. The cooperation between the movable plug-in columns 12 and the fixed hollow columns 11 improves the overall protective effect of the guardrail.

[0030] As a technical optimization of this utility model, at least two first connecting plates 13 are provided on one side of the base 1. A vertical connecting plate 14 adapted to the side of the stage board 27 is fixedly connected to the end of the first connecting plate 13 away from the base 1. A horizontal fixing plate 15 perpendicular to the vertical connecting plate 14 is fixedly connected to the end of the vertical connecting plate 14 away from the first connecting plate 13. An adjusting threaded rod 17 is threaded through and threadedly connected to the horizontal fixing plate 15. A clamping plate 16 located between the first connecting plate 13 and the horizontal fixing plate 15 is rotatably connected to one end of the adjusting threaded rod 17. A first limiting nut 18 is threadedly connected to the side of the adjusting threaded rod 17.

[0031] Specifically, when the guardrail needs to be installed, the base 1 is placed on the side of the stage board 27, the vertical connecting plate 14 is pressed against the side of the stage board 27, and the pressure plate 16 is moved upward by rotating the adjusting threaded rod 17. The pressure plate 16, together with the first connecting plate 13, is clamped at the side of the stage board 27, and the first limit nut 18 is locked to limit and fix the position of the adjusting threaded rod 17, which facilitates the installation and fixing of the entire guardrail, improves the stability of the entire guardrail after installation, and facilitates the installation or disassembly of the entire guardrail later.

[0032] As a technical optimization of this utility model, a second connecting plate 19 is sleeved on one end of the first connecting plate 13 and located on one side of the base 1. A limiting bolt 20 with one end abutting against the side of the first connecting plate 13 is threaded onto one side of the second connecting plate 19. The first connecting plate 13 can move within the second connecting plate 19, which can adjust the distance between the base 1 and the side of the stage board 27, allowing the overall guardrail to be installed in a suitable position. After adjusting the position of the base 1 to a suitable position, the limiting bolt 20 is tightened, with one end of the limiting bolt 20 tightly abutting against the side of the first connecting plate 13, thereby fixing the position between the second connecting plate 19 and the first connecting plate 13 and improving the applicability of the overall device.

[0033] As a technical optimization of this utility model, a movable seat 21 is fixedly installed at one end of the second connecting plate 19, a movable groove 22 adapted to the movable seat 21 is opened on one side of the base 1, a threaded column 23 is fixedly installed on one side of the movable seat 21, a displacement groove 25 adapted to the threaded column 23 is opened on one side of the base 1, and a second limiting nut 24 is threadedly connected to the side of the threaded column 23.

[0034] Specifically, when other equipment is installed on the edge of the stage board 27, the position of the second connecting plate 19 can be adjusted by moving the movable seat 21 within the movable groove 22. When the movable seat 21 moves, the threaded column 23 moves within the displacement groove 25. After selecting a suitable installation position, the second limit nut 24 is tightened to limit and fix the position of the movable seat 21, thereby improving the applicability of the overall guardrail.

[0035] As a technical optimization of this utility model, the side of the moving rod 3 is threaded with a third limiting nut 26. The side of the third limiting nut 26 is tightly abutted against the upper end of the main bearing column 2. After the position of the top beam 4 is adjusted, the third limiting nut 26 can be quickly rotated to the upper end of the main bearing column 2 and locked, thereby improving the stability of the top beam 4 after the height is adjusted.

[0036] As a technical optimization of this utility model, the movable slot 22 passes through both ends of the base 1, and the threaded post 23 is threadedly connected to one side of the movable seat 21. The movable seat 21 can be inserted into the movable slot 22 on site through the movable slot 22 that passes through both ends of the base 1. The appropriate number of movable seats 21 can be selected according to the length of the guardrail in the actual situation, which improves the applicability of the overall device during installation. The overall device can be assembled on site, and the parts can be disassembled after use, making it easy to carry and transport.

[0037] Finally, it should be noted that in the description of this utility model, the terms "vertical," "upper," "lower," "horizontal," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0038] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0039] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A stage guard rail comprising a base (1) to be placed on a stage board (27), characterized in that, The upper side of the base (1) is fixedly connected with a main bearing column (2) at both ends, the upper end of the two main bearing columns (2) is inserted with a movable rod (3), the upper end of the two movable rods (3) is fixedly installed with a roof beam (4), the upper end of the main bearing column (2) is provided with an adjusting groove (5) matched with the movable rod (3), the inner side wall of the adjusting groove (5) is provided with a movable cavity (6), the movable cavity (6) is movably connected with a resisting seat (7) matched with the side wire teeth of the movable rod (3), the side away from the movable rod (3) of the resisting seat (7) is fixedly installed with a movable column (8) extending to the outside, the movable column (8) is sleeved with an elastic element (9) between the side of the resisting seat (7) and the inner side wall of the movable cavity (6) and has elasticity, and one end of the movable column (8) located outside is fixedly connected with a pulling plate (10).

2. A guardrail for stages according to claim 1, characterized in that The upper side of the base (1) is fixedly connected with a main bearing column (2) at both ends, the upper end of the two main bearing columns (2) is inserted with a movable rod (3), the upper end of the two movable rods (3) is fixedly installed with a roof beam (4), the upper end of the main bearing column (2) is provided with an adjusting groove (5) matched with the movable rod (3), the inner side wall of the adjusting groove (5) is provided with a movable cavity (6), the movable cavity (6) is movably connected with a resisting seat (7) matched with the side wire teeth of the movable rod (3), the side away from the movable rod (3) of the resisting seat (7) is fixedly installed with a movable column (8) extending to the outside, the movable column (8) is sleeved with an elastic element (9) between the side of the resisting seat (7) and the inner side wall of the movable cavity (6) and has elasticity, and one end of the movable column (8) located outside is fixedly connected with a pulling plate (10).

3. The guardrail for stage according to claim 1, wherein The side of the base (1) is provided with at least two first connecting plates (13), one end of the first connecting plate (13) away from the base (1) is fixedly connected with a vertical connecting plate (14) matched with the side of the stage plate (27), one end of the vertical connecting plate (14) away from the first connecting plate (13) is fixedly connected with a horizontal fixing plate (15) perpendicular to the vertical connecting plate (14), the horizontal fixing plate (15) is penetrated and screw-connected with an adjusting screw rod (17), one end of the adjusting screw rod (17) is rotatably connected with a pressing plate (16) between the first connecting plate (13) and the horizontal fixing plate (15), and the side of the adjusting screw rod (17) is screw-connected with a first limiting nut (18).

4. A guard rail for stages according to claim 3, characterized in that One end of the first connecting plate (13) is sleeved with a second connecting plate (19) arranged on one side of the base (1), and one side of the second connecting plate (19) is screw-connected with a limiting bolt (20) having one end abutting against the side of the first connecting plate (13).

5. A guard rail for stages according to claim 4, characterized in that One end of the second connecting plate (19) is fixedly installed with a movable seat (21), one side of the base (1) is provided with a movable groove (22) matched with the movable seat (21), one side of the movable seat (21) is fixedly installed with a screw column (23), one side of the base (1) is provided with a displacement groove (25) matched with the screw column (23), and the side of the screw column (23) is screw-connected with a second limiting nut (24).

6. The guardrail according to claim 1, wherein The side of the movable rod (3) is screw-connected with a third limiting nut (26), and the side of the third limiting nut (26) is tightly abutted against the upper end of the main bearing column (2).

7. A guard rail for stages according to claim 5, characterized in that The movable groove (22) penetrates both ends of the base (1), and the screw column (23) is screw-connected on one side of the movable seat (21).

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