CN215331899U - Foldable protection railing - Google Patents

Abstract

The utility model discloses a foldable protective railing, which comprises a rectangular frame formed by a transverse telescopic rod and a vertical rod in a surrounding mode, wherein the transverse telescopic rod comprises a first square tube and a second square tube, one end of the second square tube is located in the first square tube, railings are uniformly distributed on the first square tube and the second square tube at intervals, and a folding frame is arranged between two adjacent railings on the first square tube and the second square tube. The folding frame can be opened and folded by pushing the vertical rods at the two sides outwards or inwards, and the first square pipe and the second square pipe can slide relatively to match the size change of the folding frame as the second square pipe can be inserted into the first square pipe; the size of the protective railing can be changed by arranging the folding frame, so that the protective railing can meet the requirements of adjacent protection of buildings with different space lengths.

Description

Foldable protection railing

Technical Field

The utility model relates to the technical field of guard rails, in particular to a folding guard rail.

Background

The building protection rail is generally used for protecting construction workers or pedestrians during building construction, preventing non-construction workers from entering a construction site to disturb the construction order, or is arranged at two ends of a floor walkway which is not blocked, so as to prevent the construction workers from falling carelessly during construction; the guardrail bar is prevented in current construction adopts the simple welded fastening of steel pipe usually, because the job site environment is complicated changeable, often need weld the not unidimensional railing according to the site environment of difference, and this in the long run can cause the waste of material on the one hand, and on the other hand also can increase constructor's work load.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides a folding type protective railing to solve the problem that the size of a building protective railing in the prior art cannot be adjusted.

In order to achieve the purpose, the technical scheme of the folding protective railing is as follows: include the rectangular frame who encloses by horizontal telescopic link and montant, horizontal telescopic link includes the square pipe of first square venturi tube and second, the one end of the square pipe of second is located the first square intraductal, the first square venturi tube with the even railing of having laid at the interval on the square pipe of second, just the first square venturi tube with be provided with the folding leg between two adjacent railings on the square pipe of second.

Has the advantages that: the folding frame can be opened and folded by pushing the vertical rods at the two sides outwards or inwards, and the first square pipe and the second square pipe can slide relatively to match the size change of the folding frame as the second square pipe can be inserted into the first square pipe; the size of the protective railing can be changed by arranging the folding frame, so that the protective railing can meet the requirements of adjacent protection of buildings with different space lengths.

Further, a gear is arranged in the first square pipe, a rack matched with the gear is arranged on one side of the second square pipe facing the gear, a limiting rod is fixedly connected to the gear and located on the central axis of the gear, a through hole is formed in the first square pipe, one end of the limiting rod penetrates through the through hole and extends to the external environment, a fixing block and an extrusion block are respectively arranged on two sides of the limiting rod on the first square pipe, the extrusion block faces one side of the limiting rod and is a rough surface, the fixing block is fixedly connected with the first square pipe, the extrusion block is slidably connected with the square pipe, a bolt penetrates through the extrusion block and the fixing block, and a structure for screwing the bolt to drive the extrusion block to extrude the limiting rod is formed.

Has the advantages that: after the guardrail is placed, the bolt is screwed, so that the bolt drives the extrusion block to move, when the extrusion plate is in contact with the limiting rod, one side of the extrusion plate, which is close to the limiting rod, is a rough surface, so that the rotation of the limiting rod is limited, and because the limiting rod is fixedly connected with the gear, the gear cannot rotate when the limiting rod cannot rotate, so that the first square pipe and the second square pipe cannot slide relative to each other, the length of the guardrail is further fixed, and the potential safety hazard caused by the change of the size of the guardrail in use is avoided.

Furthermore, the end parts, far away from each other, of the first square pipe and the second square pipe are provided with thread sections, and the thread sections are in threaded connection with rotating cylinders.

Has the advantages that: when the two ends of the floor walkway need to be blocked by the railings, the utility model is placed at the floor hole and then the rotary cylinder is screwed outwards, when the rotary cylinder is contacted with the wall surface, the rotary cylinder is screwed continuously, and the extrusion force with opposite directions can be generated when the rotary cylinder is extruded by the wall surface, so that the utility model can be stably clamped at the hole of the walkway.

Furthermore, the both sides of rectangular frame are provided with the stand, the bottom welding of stand has the connecting plate, one side that the montant was kept away from each other is provided with inserts a section of thick bamboo, the stand orientation one side welding of montant has the U-shaped plug-in components, the U-shaped plug-in components insert will insert in the section of thick bamboo the montant with stand fixed connection.

Has the advantages that: when need not place the protection railing in floor tunnel portal department, make through setting up the stand and prevent still can stabilize placing subaerially under the support that the railing did not have the wall, place it in floor pavement tunnel portal department when needs, make the stand dismantle from preventing the railing through the design of U-shaped spare with inserting a section of thick bamboo, make it can not influence the joint of preventing railing and wall body.

Further, the connecting plate is provided with an expansion screw for connecting with the ground.

Has the advantages that: the expansion screw penetrates through the connecting plate and the ground, so that the handrail can be stably connected to the ground.

Furthermore, warning paint is sprayed on the handrail.

Has the advantages that: the position of the railing can be clearly marked in the construction environment with darker light by spraying the warning paint, and the effect of safety prompt can be effectively achieved.

Drawings

FIG. 1 is a schematic view of the overall structure of a foldable guard rail according to the present invention;

FIG. 2 is a schematic view of a first square tube and a second square tube of the foldable guard rail according to the present invention;

FIG. 3 is an enlarged view of a portion A of FIG. 1

In the figure: 1. a vertical rod; 2. a first square tube; 3. a second square tube; 4. a railing; 5. a folding frame; 6. a connecting buckle; 7. a gear; 8. a limiting rod; 9. a fixed block; 10. extruding the block; 11. a bolt; 12. a rotary drum; 13. a column; 14. a connecting plate; 15. a U-shaped plug-in.

Detailed Description

Embodiments of the present invention will be further described with reference to the accompanying drawings, wherein the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like refer to orientations and positional relationships that are based on the orientation shown in the drawings, are used for convenience in describing the utility model and to simplify the description, but do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model.

As shown in figure 1, a foldable protection railing, includes the rectangular frame who is enclosed by horizontal telescopic link and montant 1, and horizontal telescopic link includes the square pipe 3 of first square venturi tube 2 and second, and the one end of the square pipe 3 of second is located the square pipe 2 of first square venturi tube, evenly has laid railing 4 at the interval on the square pipe 3 of first square venturi tube 2 and second, and the spraying has the warning lacquer on railing 4. The position of the guard rail can be clearly marked in the construction environment with darker light by spraying the warning paint, and the effect of safety prompt can be effectively achieved. A folding frame 5 is arranged between two adjacent railings 4 on the first square tube 2 and the second square tube 3. Specifically, the folding frame 5 is a rhombic frame formed by hinging four rod pieces end to end, and the rhombic frames are mutually connected through a connecting buckle 6; when the folding rack is used, the folding rack 5 can be opened and folded by pushing the vertical rods 1 at the two sides outwards or inwards, and the second square tube 3 can be inserted into the first square tube 2, so that the first square tube 2 and the second square tube 3 can slide relatively to match the size change of the folding rack 5; the size of the protective railing 4 can be changed by arranging the folding frame 5, so that the protective railing can meet the requirements of adjacent protection of buildings with different space lengths.

As shown in fig. 2 and 3, in the present embodiment, a gear 7 is disposed in the first square tube 2, the second square tube 3 is located above the first gear 7, a rack adapted to the gear 7 is disposed on a lower side of the second square tube 3, a limiting rod 8 is fixedly connected to the gear 7, the limiting rod 8 is located on a central axis of the gear 7, a through hole is formed in the first square tube 2, and one end of the limiting rod 8 passes through the through hole and extends to an external environment; a fixing block 9 and an extrusion block 10 are respectively arranged on the two sides of the limiting rod 8 on the first square tube 2, one side, facing the limiting rod 8, of the extrusion block 10 is a rough surface, the fixing block 9 is fixedly connected with the first direction tube, the extrusion block 10 is in sliding connection with the direction tube, specifically, the extrusion block 10 is a square block, one side surface of the extrusion block 10 is attached to the second square tube 3, and bolts 11 penetrate through the extrusion block 10 and the fixing block 9; after the protection guardrail is placed, the bolt 11 is screwed, so that the bolt 11 drives the extrusion block 10 to move, when the extrusion block 10 is in contact with the limiting rod 8, one side, close to the limiting rod 8, of the extrusion block 10 is a rough surface, so that the rotation of the limiting rod 8 is limited, and because the limiting rod 8 is fixedly connected with the gear 7, the gear 7 cannot rotate when the limiting rod 8 cannot rotate, so that the first square pipe 2 and the second square pipe 3 cannot slide relative to each other, the length of the protection guardrail is further fixed, and the potential safety hazard caused by the change of the size of the protection guardrail in use is avoided.

With continued reference to fig. 1, in the present embodiment, the ends of the first and second square tubes 2, 3 remote from each other are provided with a threaded section on which a rotary cylinder 12 is threadedly connected. When the two ends of the floor walkway need to be blocked by the railings 4, the utility model is placed at the floor opening and then the rotary cylinder 12 is screwed outwards, when the rotary cylinder 12 is contacted with the wall surface, the rotary cylinder 12 is screwed continuously, and the extrusion force with opposite directions can be generated when the rotary cylinder 12 is extruded by the wall surface, so that the utility model can be stably clamped at the opening of the walkway.

In this embodiment, two sides of the rectangular frame are provided with upright posts 13, the bottom of the upright posts 13 is provided with a connecting plate 14, the connecting plate 14 is provided with expansion screws for connecting with the ground, one side of the upright posts 1 away from each other is provided with an insert barrel, and one side of the upright posts 13 facing the upright posts 1 is welded with a U-shaped insert 15. When need not place protection railing 4 in floor entrance to a cave department, make through setting up stand 13 and prevent that protection railing 4 still can stabilize under the support that does not have the wall place subaerially, when needs place it in floor pavement entrance to a cave department, make stand 13 can follow protection railing 4 through the design of U-shaped spare and an inserted cylinder and dismantle, make it can not influence the joint of protection railing 4 and wall body.

In the above embodiment, the second square tube is located above the first gear, and the lower side of the second square tube is provided with the rack adapted to the gear.

In the above-mentioned embodiment, one side that the montant was kept away from each other is provided with the first section of thick bamboo of inserting, the stand is provided with the first second that inserts a section of thick bamboo parallel towards the one side of pole setting and inserts a section of thick bamboo, and the U-shaped plug-in components insert first insert a section of thick bamboo and the second inserts a section of thick bamboo with montant and stand fixed connection, and in other embodiments, the top surface that a section of thick bamboo was inserted to the second and the first bottom surface parallel and level of inserting a section of thick bamboo, pass through a first section of thick bamboo of inserting and a second through T shape bolt and insert a montant and stand fixed connection.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. A foldable protection railing which is characterized in that: include the rectangular frame who encloses by horizontal telescopic link and montant, horizontal telescopic link includes the square pipe of first square venturi tube and second, the one end of the square pipe of second is located the first square intraductal, the first square venturi tube with the even railing of having laid at the interval on the square pipe of second, just the first square venturi tube with be provided with the folding leg between two adjacent railings on the square pipe of second.

2. The folding protective rail of claim 1, wherein: the utility model discloses a gear, including the gear, the square intraductal gear that is provided with of first square, the square pipe orientation of second one side of gear be provided with the rack of gear looks adaptation, fixedly connected with gag lever post on the gear, the gag lever post is located on the center axis of gear, the through-hole has been seted up on the square pipe of first, the one end of gag lever post is passed the through-hole extends to external environment, on the square pipe of first in the both sides of gag lever post are provided with fixed block and extrusion block respectively, the extrusion block orientation one side of gag lever post is the rough surface, the fixed block with first direction pipe fixed connection, the extrusion block with direction pipe sliding connection, the extrusion block with wear to be equipped with the bolt in the fixed block, form revolve twist the bolt makes its drive the extrusion block extrude the structure of gag lever post.

3. The folding protective rail of claim 2, wherein: the end parts, far away from each other, of the first square pipe and the second square pipe are provided with thread sections, and the thread sections are in threaded connection with rotating cylinders.

4. A foldable protective rail according to claim 3, wherein: the two sides of the rectangular frame are provided with stand columns, connecting plates are welded at the bottoms of the stand columns, inserting barrels are arranged on one sides, away from each other, of the vertical rods, the stand columns face the side, towards the vertical rods, of the stand columns, U-shaped plug-in units are welded on one sides of the vertical rods, and the U-shaped plug-in units are inserted into the inserting barrels and are used for fixedly connecting the vertical rods with the stand columns.

5. The folding protective rail of claim 4, wherein: and the connecting plate is provided with an expansion screw for connecting with the ground.

6. A folding guard rail according to any one of claims 1 to 5 in which: warning paint is sprayed on the handrail.

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