Multifunctional protective fence

Abstract

The utility model relates to a multifunctional protective fence which comprises two supporting stand columns, the bottom ends of the two supporting stand columns are fixedly connected with movable bases, the four corners of the lower end face of each movable base are fixedly connected with universal wheels, and one side face of each supporting stand column is provided with a limiting mechanism. Connecting plates fixedly connected with the surfaces of the corresponding supporting stand columns are arranged between the two supporting stand columns, adjusting grooves are formed in the surfaces of the connecting plates, extension plates fixedly connected with the surfaces of the corresponding supporting stand columns are slidably connected into the adjusting grooves, and a plurality of positioning circular grooves are formed in the upper end faces of the extension plates. The extension plate is connected with the adjusting groove through a positioning mechanism, and a plurality of sliding barrels fixedly connected with the surfaces of the corresponding supporting stand columns are arranged above the connecting plate. According to the multifunctional protective fence, the total length of the whole protective fence can be conveniently adjusted according to construction requirements, and the multifunctional protective fence is practical.

Description

Technical Field

[0001] The utility model relates to the technical field of building construction, in particular to a multifunctional guardrail. Background Art

[0002] Building construction refers to production activities during the implementation stage of engineering construction. It is the construction process of various types of buildings. It can also be said to be the process of turning various lines on the design drawings into physical objects at designated locations. It includes foundation engineering construction, main structure construction, roofing engineering construction, decoration engineering construction, etc. The place of construction is called "building construction site" or "construction site", also called construction site. Safety fences are required for construction.

[0003] The Chinese patent application number CN202321953446.7 discloses a safety guardrail for construction, including a base plate, the top of which is fixedly connected to two vertical beams, the front side of the vertical beams is provided with vertical rods, the front sides of the two vertical rods are fixedly connected to a plurality of cross rods, and a cavity is opened on the vertical beams.

[0004] However, the above-mentioned prior art still has shortcomings in actual use. The overall length of the guardrail in the above-mentioned prior art is fixed when in use, and the overall length of the guardrail cannot be adjusted according to construction requirements. It has certain limitations. For this reason, we propose a multifunctional guardrail. Utility Model Content

[0005] The utility model provides a multifunctional guardrail, which solves the technical problems raised by the background technology in the prior art.

[0006] The utility model solves the above-mentioned technical problem with the following scheme: it comprises two supporting columns, the bottom ends of the two supporting columns are fixedly connected to a movable base, the four corners of the lower end surface of the movable base are fixedly connected to universal wheels, a limiting mechanism is arranged on one side surface of the two supporting columns, a connecting plate fixedly connected to the corresponding supporting column surface is arranged between the two supporting columns, an adjusting groove is arranged on the surface of the connecting plate, an extension plate fixedly connected to the corresponding supporting column surface is slidably connected inside the adjusting groove, a plurality of positioning circular grooves are arranged on the upper end surface of the extension plate, and the extension plate is connected to the adjusting groove through a positioning mechanism. A plurality of sliding cylinders fixedly connected to the corresponding supporting column surfaces are arranged above the connecting plate, a limited circular plate is slidably connected inside the sliding cylinder, a sliding rod that penetrates the sliding cylinder and is slidably connected to the penetrating part is fixedly connected to one side of the limiting circular plate, and one end of the sliding rod is fixedly connected to the corresponding supporting column surface.

[0007] On the basis of the above technical solution, the present invention can also be improved as follows.

[0008] Furthermore, the limiting mechanism includes a cylinder fixedly connected to the surface of the corresponding supporting column through a fixing rod, and a threaded cylinder 2 is arranged inside the cylinder.

[0009] Furthermore, two limiting sliding grooves 2 are provided on the inner wall of the cylinder, and a limiting sliding block 2 which is fixedly connected to the surface of the threaded cylinder 2 is slidably connected inside the limiting sliding groove 2.

[0010] Furthermore, a positioning rod is fixedly connected to the lower end of the second threaded barrel, and a second threaded rod is internally threadedly connected to the second threaded barrel.

[0011] Furthermore, the second threaded rod penetrates the cylinder and is rotatably connected to the penetration portion via a bearing, and the upper end of the second threaded rod is fixedly connected to a second rotating handle.

[0012] Furthermore, the positioning mechanism comprises an inverted U-shaped frame fixedly connected to the upper end surface of the connecting plate, and a threaded cylinder 1 is arranged inside the inverted U-shaped frame and is slidably connected to the inside of the positioning circular groove.

[0013] Furthermore, both side surfaces inside the inverted U-shaped frame are provided with a limiting sliding groove, and a limiting sliding block is slidably connected inside the limiting sliding groove and fixedly connected to a surface of a threaded barrel.

[0014] Furthermore, the threaded barrel is internally threadedly connected to a threaded rod, which penetrates the inverted U-shaped frame and is rotatably connected to the penetration portion via a bearing, and the upper end of the threaded rod is fixedly connected to a rotating handle.

[0015] The beneficial effects of the utility model are as follows: the utility model provides a multifunctional guardrail, which has the following advantages:

[0016] Through the cooperation between the supporting columns, mobile base, universal wheels, limit mechanisms, slide cylinders, slide rods, limit circular plates, connecting plates, adjustment grooves, extension plates, positioning circular grooves and positioning mechanisms, the total length of the entire guardrail can be adjusted according to construction requirements, thereby improving practicality.

[0017] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiment of the utility model with the accompanying drawings. The specific implementation method of the utility model is given in detail by the following embodiments and their drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0019] Figure 1A schematic structural diagram of a multifunctional guardrail provided in one embodiment of the utility model;

[0020] Figure 2 for Figure 1 A schematic side cross-sectional view of a local structure in a multifunctional guardrail is provided;

[0021] Figure 3 for Figure 1 A schematic cross-sectional view of a local structure in a multifunctional guardrail is provided;

[0022] Figure 4 for Figure 1 A schematic cross-sectional view of a local structure in a multifunctional guardrail is provided.

[0023] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0024] 1. Support column; 2. Slide cylinder; 3. Slide rod; 4. Connecting plate; 5. Adjustment groove; 6. Extension plate; 7. Positioning circular groove; 8. Inverted U-shaped frame; 9. Rotating handle 1; 10. Mobile base; 11. Universal wheel; 12. Rotating handle 2; 13. Cylinder; 14. Positioning plug rod; 15. Threaded rod 1; 16. Limiting slide groove 1; 17. Limiting slider 1; 18. Threaded cylinder 1; 19. Limiting circular plate; 20. Threaded rod 2; 21. Threaded cylinder 2; 22. Limiting slider 2; 23. Limiting slide groove 2. DETAILED DESCRIPTION

[0025] The following is combined with Figure 1-4 The principles and features of the present invention are described, and the examples given are only used to explain the present invention, and are not used to limit the scope of the present invention. The present invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become clearer according to the following description and claims. It should be noted that the drawings are all in a very simplified form and are not in precise proportions, and are only used to conveniently and clearly assist in explaining the purpose of the embodiments of the present invention.

[0026] It should be noted that when a component is referred to as being "fixed to" another component, it may be directly on the other component or there may also be a component centered. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may also be a component centered. When a component is considered to be "set on" another component, it may be directly set on the other component or there may also be a component centered. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0027] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0028] like Figure 1-4 As shown, the utility model provides a multifunctional guardrail, including two supporting columns 1, the bottom ends of the two supporting columns 1 are fixedly connected to a movable base 10, and the four corners of the lower end surface of the movable base 10 are fixedly connected to universal wheels 11, and a limiting mechanism is arranged on one side of the two supporting columns 1, and a connecting plate 4 fixedly connected to the corresponding surface of the supporting column 1 is arranged between the two supporting columns 1, and an adjusting groove 5 is opened on the surface of the connecting plate 4, and an extension plate 6 fixedly connected to the corresponding surface of the supporting column 1 is slidably connected inside the adjusting groove 5, and a plurality of positioning circular grooves 7 are opened on the upper end surface of the extension plate 6, and the extension plate 6 is connected to the adjusting groove 5 through a positioning mechanism, and a plurality of slide cylinders 2 fixedly connected to the corresponding surface of the supporting column 1 are arranged above the connecting plate 4, and a limited circular plate 19 is slidably connected inside the slide cylinder 2, and a sliding rod 3 that penetrates the sliding cylinder 2 and is slidably connected to the penetrating part is fixedly connected to one side of the limiting circular plate 19, and one end of the sliding rod 3 is fixedly connected to the corresponding surface of the supporting column 1.

[0029] Preferably, the limiting mechanism comprises a cylinder 13 fixedly connected to the surface of the corresponding supporting column 1 through a fixing rod, and a threaded cylinder 21 is arranged inside the cylinder 13, and the setting of the threaded cylinder 21 can drive the positioning rod 14 to move.

[0030] Preferably, two limiting slide grooves 23 are provided on the inner wall of the cylinder 13, and a limiting slider 22 slidably connected inside the limiting slide groove 23 and fixedly connected to the surface of the threaded barrel 21 is provided. The setting of the limiting slider 22 can enable the threaded barrel 21 to slide in a limited manner.

[0031] Preferably, the lower end of the threaded barrel 21 is fixedly connected with a positioning rod 14, and the threaded barrel 21 is internally threadedly connected with a threaded rod 20, and the setting of the threaded rod 20 allows the threaded barrel 21 to move.

[0032] Preferably, the threaded rod 20 penetrates the cylinder 13 and is rotatably connected to the penetration portion via a bearing. The upper end of the threaded rod 20 is fixedly connected to a rotating handle 12 . The setting of the rotating handle 12 facilitates the rotation of the threaded rod 20 .

[0033] Preferably, the positioning mechanism comprises an inverted U-shaped frame 8 fixedly connected to the upper end surface of the connecting plate 4 , and a threaded cylinder 18 slidably connected to the interior of the positioning circular groove 7 is arranged inside the inverted U-shaped frame 8 .

[0034] Preferably, both sides of the inverted U-shaped frame 8 are provided with a limiting slide groove 16, and a limiting slider 17 fixedly connected to the surface of the threaded barrel 18 is slidably connected inside the limiting slide groove 16. The setting of the limiting slider 17 can enable the threaded barrel 18 to move in a limited manner.

[0035] Preferably, the threaded barrel 18 is internally threadedly connected with a threaded rod 15, the threaded rod 15 penetrates the inverted U-shaped frame 8 and is rotatably connected to the penetrated portion via a bearing, and the upper end of the threaded rod 15 is fixedly connected with a rotating handle 9.

[0036] The specific working principle and use method of the utility model are as follows:

[0037] The utility model provides a multifunctional guardrail. When in use, the threaded rod 15 can be rotated by turning the rotating handle 9. The rotation of the threaded rod 15 can make the threaded tube 18 move in a limited position through the cooperation of the limiting slide groove 16 and the limiting slider 17, so that the threaded tube 18 is separated from the positioning circular groove 7. After separation, the extension plate 6 can slide inside the adjustment groove 5, so that the distance between the two supporting columns 1 can be adjusted, so that the total length of the entire guardrail can be adjusted. After adjustment, the handle 9 can be reversed to make the threaded tube 18 move in a limited position. The threaded rod 15 is reversed, so that the threaded barrel 18 can move in the opposite direction and slide into the positioning circular groove 7, so that the extension plate 6 and the adjustment groove 5 are limited, thereby completing the limit adjustment of the total length of the entire guardrail, and then the threaded rod 20 is rotated by turning the rotating handle 12. The rotation of the threaded rod 20 causes the threaded barrel 21 to move in a limited manner under the action of the limiting sliding groove 23 and the limiting sliding block 22, so that the threaded barrel 21 drives the positioning plug 14 to move, and the positioning plug 14 is inserted into the ground, so that the entire device is placed in a limited position.

[0038] The above description is only a preferred embodiment of the utility model and does not impose any form of limitation on the utility model. Any ordinary technician in the industry can smoothly implement the utility model as shown in the drawings of the specification and described above. However, any equivalent changes, modifications and evolutions made by technicians familiar with the profession without departing from the scope of the technical solution of the utility model using the technical content disclosed above are all equivalent embodiments of the utility model. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the utility model are still within the protection scope of the technical solution of the utility model.

Claims

1. A multifunctional guardrail, comprising two supporting columns (1), characterized in that: The bottom ends of the two support columns (1) are fixedly connected to a movable base (10), and the four corners of the lower end surface of the movable base (10) are fixedly connected to universal wheels (11). A limiting mechanism is provided on one side of the two support columns (1). A connecting plate (4) fixedly connected to the surface of the corresponding support column (1) is provided between the two support columns (1), and an adjustment groove (5) is provided on the surface of the connecting plate (4). An extension plate (6) fixedly connected to the surface of the corresponding support column (1) is slidably connected inside the adjustment groove (5). ), a plurality of positioning circular grooves (7) are provided on the upper end surface of the extension plate (6), the extension plate (6) is connected to the adjustment groove (5) through a positioning mechanism, a plurality of slide cylinders (2) are arranged above the connection plate (4) and are fixedly connected to the surfaces of the corresponding support columns (1), a limiting circular plate (19) is slidably connected inside the slide cylinder (2), one side of the limiting circular plate (19) is fixedly connected to a slide rod (3) which penetrates the slide cylinder (2) and is slidably connected to the penetrating portion, and one end of the slide rod (3) is fixedly connected to the surface of the corresponding support column (1).

2. A multifunctional guardrail according to claim 1, characterized in that: The limiting mechanism comprises a cylinder (13) fixedly connected to the surface of a corresponding supporting column (1) via a fixing rod, and a second threaded cylinder (21) is arranged inside the cylinder (13).

3. A multifunctional guardrail according to claim 2, characterized in that: The inner wall of the cylinder (13) is provided with two limiting sliding grooves (23), and the limiting sliding grooves (23) are slidably connected inside with limiting sliding blocks (22) fixedly connected to the surface of the threaded cylinder (21).

4. A multifunctional guardrail according to claim 2, characterized in that: The lower end of the second threaded barrel (21) is fixedly connected with a positioning plug rod (14), and the interior of the second threaded barrel (21) is threadedly connected with a second threaded rod (20).

5. A multifunctional guardrail according to claim 4, characterized in that: The second threaded rod (20) passes through the cylinder (13) and is rotatably connected to the passing portion via a bearing. The upper end of the second threaded rod (20) is fixedly connected to the second rotating handle (12).

6. A multifunctional guardrail according to claim 1, characterized in that: The positioning mechanism comprises an inverted U-shaped frame (8) fixedly connected to the upper end surface of the connecting plate (4), and a threaded cylinder (18) is arranged inside the inverted U-shaped frame (8) and is slidably connected to the inside of the positioning circular groove (7).

7. A multifunctional guardrail according to claim 6, characterized in that: The two side surfaces inside the inverted U-shaped frame (8) are provided with a limit slide groove (16), and a limit slide block (17) fixedly connected to the surface of a threaded barrel (18) is slidably connected inside the limit slide groove (16).

8. A multifunctional guardrail according to claim 7, characterized in that: The threaded barrel (18) is internally threadedly connected to a threaded rod (15), which passes through the inverted U-shaped frame (8) and is rotatably connected to the passing portion via a bearing, and the upper end of the threaded rod (15) is fixedly connected to a rotating handle (9).

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