CN212927364U - Foldable protective fence for construction site - Google Patents

Abstract

The utility model discloses a but rail guard for folding building site, including folding guardrail and stable support, folding guardrail includes the support and cuts fork type branch, the support is including falling U-shaped branch, two rectangle pole settings, two arc widening branches, two first U-shaped fixed plates, first longitudinal screw, two second U-shaped fixed plates, second longitudinal screw and two pulleys, the surface of cup jointing at first longitudinal screw and second longitudinal screw is rotated respectively at the both ends of the folding branch on the fork type branch, stabilize the support and include U-shaped extension board, two horizontal U-shaped grooves, be equipped with two horizontal guide rail's layer board and folding vaulting pole, the bottom of folding vaulting pole rotates with U-shaped extension board diapire and is connected and the top of folding vaulting pole rotates with the layer board and is connected. The utility model discloses be convenient for fold, use and transportation convenience, it is convenient to deposit, and it is good to be convenient for remove and installation stability.

Description

Foldable protective fence for construction site

Technical Field

The utility model belongs to the technical field of the building, concretely relates to but rail guard for folding building site.

Background

The protective guard for the construction site is applied to isolation and warning of a construction site, is also used for protection and protection of construction equipment and facilities, and is also used for safety protection of persons flowing outside the protective guard.

The guardrail structure for the building site in the prior art is relatively heavy, inconvenient to fold, store and use, needs concatenation and complicated installation procedure when leading to the guardrail to use, and the guardrail is not convenient for fold moreover, and it is deposited and is transported and often have inconveniently, has the guardrail of folding function, and inconvenient removal conveniently moves the inconvenient stable use that has folding guardrail.

Therefore, the guardrail for the foldable construction site, which is convenient to fold, use and transport, store, move and have good installation stability, is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a but rail guard for folding building site to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a foldable guardrail for construction sites comprises a foldable guardrail and a stable support, wherein the foldable guardrail comprises a plurality of brackets which are arranged at equal intervals in the transverse direction and two groups of scissor-fork type supporting rods which are symmetrically arranged in the front and back direction and are rotationally arranged between two adjacent brackets, the brackets comprise inverted U-shaped supporting rods, two arc-shaped widening supporting rods which are symmetrically and fixedly arranged at the front and back sides of the bottom end of the inverted U-shaped supporting rod and are respectively and fixedly connected with two rectangular vertical rods, two first U-shaped fixing plates which are symmetrically and spirally fixed at the inner side of the top end of the inverted U-shaped supporting rod in the front and back direction, a first longitudinal screw which is fixedly connected with the two first U-shaped fixing plates, two second U-shaped fixing plates which are fixedly connected with the two first U-shaped fixing plates in the front and back direction, a second longitudinal screw which is fixedly connected with the two second U, the two ends of a folding supporting rod on the scissor-type supporting rod are respectively rotatably sleeved on the outer surfaces of a first longitudinal screw and a second longitudinal screw, the stabilizing support comprises a U-shaped supporting plate, two transverse U-shaped grooves which are arranged on the front side and the rear side of the U-shaped supporting plate and are in limit guide with a rectangular vertical rod and a second U-shaped fixing plate, a supporting plate which is arranged on the inner side of the U-shaped supporting plate and is symmetrically provided with two transverse guide tracks in the front and rear direction, and a plurality of folding supporting rods which are arranged between the supporting plate and the bottom wall of the U-shaped supporting plate in a transverse equidistance mode, wherein the bottom end of each folding supporting rod is rotatably connected with the bottom wall of the U-shaped supporting plate through a first movable pin, the top end of each folding supporting rod is rotatably connected with the supporting plate through a second movable pin, and two L-shaped positioning plates fixedly.

Preferably, the height of the bottom surface of the pulley is lower than the height of the bottom surface of the rectangular upright.

Preferably, the first longitudinal screw and the second longitudinal screw are both screwed with limit lantern rings which are close to two ends of the folding support rod on the scissor-type support rod.

Preferably, the rectangular vertical rod and the second U-shaped fixing plate are arranged on the inner side of the transverse U-shaped groove in a sliding mode.

Preferably, two transverse guide rails on the supporting plate are matched with two pulleys on the bracket to guide sliding.

Preferably, the folding stay bar is a rectangular stay bar.

The utility model discloses a technological effect and advantage: the protective guard for the foldable construction site has the advantages that the plurality of brackets on the foldable protective guard are connected through the two groups of scissors-type supporting rods, the scissors-type supporting rods are folded to facilitate the plurality of brackets to be mutually close and stacked, the folding guardrail is convenient to fold and store, the folding guardrail is convenient to move and unfold and fold due to the arrangement of the pulleys on the bracket, the L-shaped positioning plate is in pin joint with the rectangular positioning plate on the folding support rod through the inserted pin, folding vaulting pole is vertical state and props up the layer board, and the pulley on the folding guardrail can expand along two horizontal direction track slides, and the folding guardrail after the expansion takes out the pin in order to guarantee the stability of its use, and the layer board is upset folding under the effect of folding vaulting pole, and the pulley is kept away from to horizontal direction track, and the stable location of rectangle pole setting is at horizontal U-shaped inslot on the folding guardrail for stable support can carry out stable support to folding guardrail.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the folding guardrail of the utility model;

FIG. 3 is an enlarged view of the bracket and scissor-type strut of the present invention;

fig. 4 is a schematic structural view of the stabilizing support of the present invention.

In the figure: 1. folding the guard bar; 2. stabilizing the support; 3. a support; 4. a scissor-type strut; 5. an inverted U-shaped strut; 6. a rectangular upright rod; 7. an arc-shaped widening support rod; 8. a first U-shaped fixing plate; 9. a first longitudinal screw; 10. a second U-shaped fixing plate; 11. a second longitudinal screw; 12. a pulley; 13. a limiting lantern ring; 14. a U-shaped support plate; 15. a transverse U-shaped slot; 16. a transverse guide track; 17. a support plate; 18. folding the stay bar; 19. an L-shaped positioning plate; 20. a pin; 21. a rectangular positioning plate; 22. a first loose pin.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a but rail guard for folding building site as shown in fig. 1-4, including folding guardrail 1 and stable support 2, folding guardrail 1 includes that horizontal equidistance arranges a plurality of supports 3 that set up and rotates two sets of scissors type branch 4 of locating the front and back symmetry setting between two adjacent supports 3, support 3 is including falling U-shaped branch 5, symmetrical fixed two of locating 5 bottom front and back both sides of falling U-shaped branch respectively with two arc widening branches 7 of two rectangle pole settings 6 fixed connection, the fixed two inboard first U-shaped fixed plates 8 in 5 top of falling U-shaped branch, the fixed first longitudinal screw 9 of two first U-shaped fixed plates 8 of fixed connection, the fixed two inboard second U-shaped fixed plates 10 in 6 bottom of two rectangle pole settings of fixed connection, the fixed second longitudinal screw 11 of two second U-shaped fixed plates 10 of fixed connection and with the transmission of second longitudinal screw 11 are connected just before and two pulleys 12 are symmetrically arranged at the back, two ends of a folding support rod on the scissor type support rod 4 are respectively rotatably sleeved on the outer surfaces of a first longitudinal screw 9 and a second longitudinal screw 11, the bottom surface of each pulley 12 is lower than the bottom surface of the rectangular upright 6, the first longitudinal screw 9 and the second longitudinal screw 11 are respectively screwed with a limiting lantern ring 13 which is close to two ends of the folding support rod on the scissor type support rod 4, a plurality of brackets 3 on the folding guardrail 1 are connected through two groups of scissor type support rods 4, the scissor type support rods 4 are folded, so that the plurality of brackets 3 are mutually close to and stacked, the whole folding guardrail 1 is convenient to fold and store, and the pulleys 12 on the brackets 3 are arranged, so that the folding guardrail 1 is convenient to move and unfold and fold;

the stabilizing support 2 comprises a U-shaped support plate 14, two transverse U-shaped grooves 15 which are arranged at the front side and the rear side of the U-shaped support plate 14 and are in limit guiding with a rectangular upright post 6 and a second U-shaped fixing plate 10, support plates 17 which are arranged at the inner side of the U-shaped support plate 14 and are symmetrically provided with two transverse guiding tracks 16 at the front side and the rear side, and a plurality of folding support rods 18 which are transversely arranged at equal intervals between the support plates 17 and the bottom wall of the U-shaped support plate 14, wherein the bottom end of each folding support rod 18 is rotatably connected with the bottom wall of the U-shaped support plate 14 through a first movable pin 22, the top ends of the folding support rods 18 are rotatably connected with the support plates 17 through second movable pins, two L-shaped positioning plates 19 fixedly arranged at the bottoms of the left end and the right end of the support plate 17 are respectively in pin joint through rectangular positioning plates 21 on the leftmost folding support rods 18 of the, two horizontal guide rails 16 on the layer board 17 and two pulleys 12 on the support 3 cooperate to guide and slide, folding vaulting pole 18 is the rectangle vaulting pole, pin 20 with L shape locating plate 19 through pegging graft is in the pin joint with the rectangle locating plate 21 on the folding vaulting pole 18 after, folding vaulting pole 18 is vertical state and props up layer board 17, pulley 12 on the folding guardrail 1 can slide along two horizontal guide rails 16 and expand, folding guardrail 1 after expanding is in order to guarantee the stability of its use, take out pin 20, layer board 17 overturns folding under the effect of folding vaulting pole 18, the pulley is kept away from to horizontal guide rail 16, stable location of rectangle pole setting 6 is in horizontal U-shaped groove 15 on the folding guardrail 1, make stable support can carry out stable support to folding guardrail 1.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (6)

1. The utility model provides a but rail guard for folding building site, includes folding guardrail (1) and stabilizes support (2), its characterized in that: folding guardrail (1) including horizontal equidistance a plurality of supports (3) that set up and rotate and locate two sets of scissors type branch (4) that the symmetry set up around between two adjacent supports (3), support (3) including down U-shaped branch (5), the symmetry is fixed locate down U-shaped branch (5) bottom around two respectively with two rectangle pole setting (6) fixed connection two arc widen branch (7), the fixed two first U-shaped fixed plates (8) of locating down U-shaped branch (5) top inboard around symmetry spiro union, first vertical screw rod (9) of two first U-shaped fixed plates (8) of fixed connection, the fixed two second U-shaped fixed plates (10) of locating two rectangle pole setting (6) bottom inboards of symmetry spiro union around, the vertical screw rod (11) of second of two second U-shaped fixed plates (10) of fixed connection and with the vertical screw rod (11) transmission connection of second and around two pulleys that the symmetry set up (1: (two U-shaped fixed plates (10) 12) The two ends of a folding support rod on the scissor-type support rod (4) are respectively rotatably sleeved on the outer surfaces of a first longitudinal screw (9) and a second longitudinal screw (11), the stabilizing support (2) comprises a U-shaped support plate (14), two transverse U-shaped grooves (15) which are arranged on the front side and the rear side of the U-shaped support plate (14) and are in limit guide with a rectangular upright rod (6) and a second U-shaped fixing plate (10), a support plate (17) which is arranged on the inner side of the U-shaped support plate (14) and is symmetrically provided with two transverse guide tracks (16) in the front and rear direction, and a plurality of folding support rods (18) which are transversely arranged at equal intervals between the support plate (17) and the bottom wall of the U-shaped support plate (14), the bottom end of each folding support rod (18) is rotatably connected with the bottom wall of the U-shaped support plate (14) through a first movable pin (22), and the top ends of the folding support, two L-shaped positioning plates (19) fixedly arranged at the bottoms of the left end and the right end of the supporting plate (17) are respectively in pin joint with rectangular positioning plates (21) on folding support rods (18) at the leftmost end and the rightmost end of a pin (20) in an inserted manner.

2. A foldable guard rail for construction sites according to claim 1, wherein: the height of the bottom surface of the pulley (12) is lower than that of the bottom surface of the rectangular upright (6).

3. A foldable guard rail for construction sites according to claim 1, wherein: and the first longitudinal screw (9) and the second longitudinal screw (11) are both screwed with limit lantern rings (13) which are close to two ends of the folding supporting rod on the scissor-type supporting rod (4).

4. A foldable guard rail for construction sites according to claim 1, wherein: the rectangular upright stanchion (6) and the second U-shaped fixing plate (10) are arranged on the inner side of the transverse U-shaped groove (15) in a sliding manner.

5. A foldable guard rail for construction sites according to claim 1, wherein: two transverse guide rails (16) on the supporting plate (17) are matched with two pulleys (12) on the bracket (3) for guiding and sliding.

6. A foldable guard rail for construction sites according to claim 1, wherein: the folding support rod (18) is a rectangular support rod.

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