CN219509378U - Extensible and contractible construction fence - Google Patents

Abstract

The utility model discloses an expandable and contractible construction fence, which comprises two groups of support plates, wherein a pull head in a limiting assembly is pulled to drive a limiting rod to slide out of a limiting groove, a clamping plate is moved out of a rectangular groove and extrudes a spring, the clamping plate is staggered with the upper end of the rectangular groove by rotating the pull head, the limiting rod is limited, an extension plate slides out of an installation groove in the coaming by pulling one group of support plates, the distance between the two groups of support plates is adjusted, the protection area of a single device is increased, the limiting rod is clamped into a group of limiting grooves corresponding to the limiting rod under the elastic acting force of the spring by rotating the pull head, and the clamping plate is clamped into the rectangular groove to limit and fix the coaming and the extension plate, so that the expandable construction fence has the advantages of simplicity in adjustment and convenience and rapidness; through setting up the fixed block in one of them group's backup pad, set up the connecting block in another group's backup pad, can be through spread rail on the fixed block spread with the connecting block cooperation to realize the equipment of a plurality of rail.

Description

Extensible and contractible construction fence

Technical Field

The utility model relates to the technical field of construction fences, in particular to an expandable and contractible construction fence.

Background

Construction fence also called construction guardrail is the protector who is used for enclosing the fender to building site, and the wide application is in the construction field.

For example, an assembled construction fence, (bulletin number: CN 217897507U) comprises a frame, guardrails, grooves, supporting rods, threaded openings, rotating seats, screws, extending heads, extending plates and bayonets, wherein the guardrails are paved in the middle of the frame, the extending plates and the grooves are respectively arranged on the long ends of the two sides of the frame, the supporting rods are vertically arranged in the grooves, the screws are welded on the ends of the supporting rods, the threaded openings on the rotating seats are connected with the threaded rods in a threaded manner, the extending heads extend outwards from the side edges of the rotating seats, the bayonets are formed in the positions of the rotating seats corresponding to the extending plates, and the shape of the bayonets is the same as that of the rotating seats with the extending heads. According to the utility model, when the fence is installed, the side with the extension plate is directly inserted to the side with the groove, then the fixed installation can be realized through limiting the rotating seat, and the operation is simple when the fence is assembled through arrangement, the connection is stable, the convenience is provided for personnel, and the working intensity is reduced.

Based on the search of the patent and the discovery of the equipment in the prior art, the length of the frame and the internal guard rail of the device is inconvenient to fix when the equipment is applied, and the protection length of the frame and the internal guard rail of the device can be prolonged only by adding and assembling the same frame when the equipment is used, so that the length of a single frame and the length of the internal guard rail of the single frame are inconvenient to adjust, and the equipment has limitation, so that an expandable and contractible construction fence is required to be provided.

Disclosure of Invention

The present utility model is directed to an expandable and contractible construction fence, which solves the problems set forth in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides an extensible construction fence, includes two sets of backup pads, is the symmetry between two sets of backup pads and is provided with two sets of extensible members, wherein one set of backup pad one side fixed mounting has the bounding wall, the mounting groove has been seted up to one side of bounding wall, the inside slip grafting of mounting groove has the extension board, one side of extension board and another set of one side fixed connection of backup pad, the spacing subassembly that carries out spacing to the extension board is installed at the top of bounding wall;

the limiting assembly comprises a concave frame, the concave frame is fixedly arranged at the top of the coaming, a spring is fixedly arranged at the inner top of the concave frame, a limiting rod is inserted into the spring, clamping plates are fixedly sleeved on the outer wall of the limiting rod, a plurality of groups of limiting grooves are formed in the top of the extending plate at equal intervals, and the bottom of the limiting rod is inserted into one group of limiting grooves in a sliding mode.

Preferably, the rectangular groove is formed in the top of the coaming, the through hole communicated with the mounting groove is formed in the bottom of the rectangular groove, and the clamping plate is in sliding abutting connection with the inner portion of the rectangular groove.

Preferably, the top of gag lever post runs through concave frame and fixedly connected with pull head, the bottom of spring and the surface butt of cardboard.

Preferably, the telescopic member comprises a sleeve, the sleeve is fixedly mounted on one side of one group of the supporting plates, a loop bar is slidably connected in the sleeve, and one end of the loop bar is fixedly connected with one side of the other group of the supporting plates.

Preferably, the length of the sleeve is the same as the length of the coaming, and the stretching length of the loop bar is the same as the stretching length of the extension plate.

Preferably, one side of one group of the supporting plates is symmetrically and fixedly provided with two groups of fixing blocks, the fixing blocks are provided with connecting grooves, and one side of the other group of the supporting plates is fixedly provided with connecting blocks matched with the connecting grooves on the fixing blocks.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the pull head in the limiting assembly is pulled to drive the limiting rod to slide out of the limiting groove, so that the clamping plate moves out of the rectangular groove and extrudes the spring, the clamping plate is staggered with the upper end of the rectangular groove by rotating the pull head, the limiting rod is limited, the extending plate slides out of the mounting groove in the coaming by pulling one group of supporting plates, the distance between the two groups of supporting plates can be adjusted, the protection area of a single device is increased, after the distance is adjusted, the limiting rod is clamped into one group of limiting grooves corresponding to the limiting rod under the elastic acting force of the spring by rotating the pull head, the clamping plate is clamped into the rectangular groove, and the coaming and the extending plate are limited and fixed, so that the limiting plate has the advantages of simplicity in adjustment, convenience and quickness;

2. through setting up the fixed block in one of them group's backup pad, set up the connecting block in another group's backup pad, can be through spread rail on the fixed block spread with the connecting block cooperation to realize the equipment of a plurality of rail.

Drawings

FIG. 1 is a schematic view of the axial structure of the present utility model;

FIG. 2 is a schematic top view of the present utility model;

FIG. 3 is a schematic cross-sectional view of the coaming and extension plate of the present utility model;

fig. 4 is an enlarged schematic view of the structure of fig. 3 a according to the present utility model.

In the figure: 1. a support plate; 2. a telescoping member; 3. coaming plate; 4. an extension plate; 5. a limit component; 6. a fixed block; 7. a connecting block; 8. a mounting groove; 9. a limit groove; 21. a sleeve; 22. a loop bar; 51. a concave frame; 52. a spring; 53. a clamping plate; 54. a limit rod; 55. a pull head; 56. rectangular grooves.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution:

the utility model provides an extensible construction fence, includes two sets of backup pad 1, is the symmetry between two sets of backup pads 1 and is provided with two sets of extensible members 2, and one side of one set of backup pad 1 is fixed mounting has bounding wall 3, and mounting groove 8 has been seted up to one side of bounding wall 3, and the inside slip grafting of mounting groove 8 has extension board 4, and one side of extension board 4 and one side fixed connection of another set of backup pad 1, and spacing subassembly 5 that carries out spacing to extension board 4 is installed at the top of bounding wall 3;

the limiting assembly 5 comprises a concave frame 51, the concave frame 51 is fixedly arranged at the top of the coaming 3, a spring 52 is fixedly arranged at the inner top of the concave frame 51, a limiting rod 54 is inserted into the spring 52, clamping plates 53 are fixedly sleeved on the outer wall of the limiting rod 54, a plurality of groups of limiting grooves 9 are formed in the top of the extending plate 4 at equal intervals, and the bottom of the limiting rod 54 is inserted into one group of limiting grooves 9 in a sliding manner;

the top of the coaming 3 is provided with a rectangular groove 56, the bottom of the coaming 3, which is positioned at the bottom of the rectangular groove 56, is provided with a through hole communicated with the mounting groove 8, the clamping plate 53 is in sliding contact with the inside of the rectangular groove 56, the top of the limiting rod 54 penetrates through the concave frame 51 and is fixedly connected with the pull head 55, the bottom of the spring 52 is in contact with the surface of the clamping plate 53, the pull head 55 in the limiting assembly 5 is pulled conveniently, the limiting rod 54 is driven to slide out of the limiting groove 9, the clamping plate 53 is moved out of the rectangular groove 56 and extrudes the spring 52, the clamping plate 53 and the upper end of the rectangular groove 56 are staggered through rotating the pull head 55, the limiting rod 54 is limited, the extending plate 4 slides out of the mounting groove 8 inside the coaming 3 through pulling one group of the supporting plates 1, the distance between the two groups of the supporting plates 1 can be adjusted, and the protection area of a single device is increased;

the telescopic piece 2 comprises a sleeve 21, the sleeve 21 is fixedly arranged on one side of one group of support plates 1, a sleeve rod 22 is slidably connected in the sleeve 21, one end of the sleeve rod 22 is fixedly connected with one side of the other group of support plates 1, the length of the sleeve 21 is the same as that of the coaming 3, the stretching length of the sleeve rod 22 is the same as that of the extension plate 4, a limiting block for limiting the sleeve rod 22 is arranged in the sleeve 21, the sleeve rod 22 is prevented from sliding out of the sleeve 21, the sleeve rod 22 is convenient to be matched with the sleeve rod 22, and the stability of the adjustment interval between the two groups of support plates 1 is increased;

one side of one group of supporting plates 1 is symmetrically and fixedly provided with two groups of fixing blocks 6, the fixing blocks 6 are provided with connecting grooves, one side of the other group of supporting plates 1 is fixedly provided with connecting blocks 7 matched with the connecting grooves on the fixing blocks 6, and the rails are conveniently expanded by matching the connecting grooves on the fixing blocks 6 with the connecting blocks 7, so that the assembly of a plurality of rails is realized.

When the limiting assembly is used, the pull head 55 in the limiting assembly 5 is pulled to drive the limiting rod 54 to slide out of the limiting groove 9, the clamping plate 53 is moved out of the rectangular groove 56 and extrudes the spring 52, the clamping plate 53 is staggered with the upper end of the rectangular groove 56 by rotating the pull head 55, the limiting rod 54 is limited, the extending plate 4 slides out of the mounting groove 8 in the coaming 3 by pulling one group of the supporting plates 1, the distance between the two groups of the supporting plates 1 can be adjusted, the protection area of a single device is increased, after the distance is adjusted, the limiting rod 54 is clamped into one group of limiting grooves 9 corresponding to the limiting rod 54 under the elastic acting force of the spring 52 by rotating the pull head 55, the clamping plate 53 is clamped into the rectangular groove 56, and the coaming 3 and the extending plate 4 are limited and fixed, so that the limiting assembly has the advantages of simplicity in adjustment, convenience and rapidness;

through setting up fixed block 6 on one of them group's backup pad 1, set up connecting block 7 on another group's backup pad 1, can be through connecting slot and connecting block 7 cooperation on the fixed block 6, expand the rail to realize the equipment of a plurality of rails.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a scalable construction rail of shrink, includes two sets of backup pad (1), its characterized in that: two groups of telescopic pieces (2) are symmetrically arranged between the two groups of supporting plates (1), one side of one group of the supporting plates (1) is fixedly provided with a coaming (3), one side of the coaming (3) is provided with a mounting groove (8), the inside of the mounting groove (8) is in sliding connection with an extension plate (4), one side of the extension plate (4) is fixedly connected with one side of the other group of the supporting plates (1), and the top of the coaming (3) is provided with a limiting assembly (5) for limiting the extension plate (4);

limiting component (5) are including concave type frame (51), concave type frame (51) fixed mounting is in the top of bounding wall (3), the interior top fixed mounting of concave type frame (51) has spring (52), peg graft in the inside of spring (52) has gag lever post (54), and fixed cover is equipped with cardboard (53) on the outer wall of gag lever post (54), a plurality of groups spacing groove (9) have been seted up to the top of extension board (4) for the equidistance, the inside in one of them a set of spacing groove (9) is pegged graft in the bottom slip of gag lever post (54).

2. An expandable and contractible construction fence according to claim 1, wherein: rectangular grooves (56) are formed in the tops of the coaming plates (3), through holes communicated with the mounting grooves (8) are formed in the bottoms of the rectangular grooves (56) of the coaming plates (3), and the clamping plates (53) are in sliding abutting connection with the inner portions of the rectangular grooves (56).

3. An expandable and contractible construction fence, according to claim 2, wherein: the top of the limiting rod (54) penetrates through the concave frame (51) and is fixedly connected with the pull head (55), and the bottom of the spring (52) is abutted to the surface of the clamping plate (53).

4. An expandable and contractible construction fence according to claim 1, wherein: the telescopic piece (2) comprises a sleeve (21), wherein the sleeve (21) is fixedly arranged on one side of one group of supporting plates (1), a sleeve rod (22) is connected inside the sleeve (21) in a sliding mode, and one end of the sleeve rod (22) is fixedly connected with one side of the other group of supporting plates (1).

5. An expandable and contractible construction fence according to claim 4 wherein: the length of the sleeve (21) is the same as that of the coaming (3), and the stretching length of the sleeve rod (22) is the same as that of the extension plate (4).

6. An expandable and contractible construction fence according to claim 1, wherein: one side of the supporting plate (1) is symmetrically and fixedly provided with two groups of fixing blocks (6), the fixing blocks (6) are provided with connecting grooves, and one side of the other group of the supporting plate (1) is fixedly provided with connecting blocks (7) matched with the connecting grooves on the fixing blocks (6).