Building construction hole protection device

Abstract

The utility model relates to a building construction hole protection device which comprises corner guardrails, middle guardrails, embedded plates and positioning nuts, the positioning nuts are welded to the embedded plates along the four corners, corner vertical rods are inserted into the embedded plates at the corner positions of a hole, and middle vertical rods are inserted into the embedded plates at the middle positions of the side edges of the hole; the positioning bolt is in threaded connection with the positioning nut; the adapter comprises a transverse hoop and a longitudinal hoop, and the transverse hoop and the longitudinal hoop are vertically fixed; the connecting rods are mounted on the corner vertical rod and the middle vertical rod; the L-shaped pipe is mounted on the corner guardrail, the two sides of the L-shaped pipe are inserted into the longitudinal hoops of the adapters, and internal threads are arranged at the two ends of the L-shaped pipe; the telescopic transverse pipe is mounted on the middle guardrail, is inserted into the longitudinal hoop of the adapter, is coaxial with one end of the L-shaped pipe, and comprises a main pipe and an auxiliary pipe which can be connected with the main pipe in a sliding manner, the two ends of the main pipe are connected with the auxiliary pipe in a sliding manner respectively, and external threads are arranged at the outer ends of the auxiliary pipes and are matched with the internal threads at the two ends of the L-shaped pipe.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of building construction, especially relates to a building construction hole protection device. BACKGROUND

[0002] Such as the utility model patent announcement No. CN205713173U discloses a prefabricated building site with temporary edge hole protection fence, including four fixed columns, positioning plate and fixed in adjacent two fixed columns between the guardrail, four fixed columns all are equipped with the clamping groove, the clamping groove is matched with the positioning column, the positioning column is equipped with the cooperation groove, the positioning plate is equipped with the cooperation board that cooperates with the cooperation groove, four fixed columns all are equipped with the recess that cooperates with the positioning plate, the positioning plate is equipped with the mounting column, the mounting column lower part is equipped with the support plate, the guardrail is composed of five first guardrails and two second guardrails, the second guardrail is set through the first guardrail, the first guardrail both sides are equipped with the hole groove that cooperates with the mounting column, the hole groove lower part first guardrail is equipped with the bayonet that cooperates with the support plate, the fixed column is equipped with the fixed bolt for fixing the positioning column and cooperation board. It is inconvenient to adjust the size of the guardrail to adapt to different size hole. UTILITY MODEL CONTENTS

[0003] The utility model solves the technical problem to provide a building construction hole protection device, and it is favorable to adjust the size of the guardrail to adapt to different size hole.

[0004] In order to solve the above problem and adopt a kind of building construction hole protection device, including:

[0005] Corner guardrail, it includes two interval corner vertical rods;

[0006] Middle guardrail, it includes middle vertical rod;

[0007] Pre-buried plate, it is arranged along hole four around;

[0008] Positioning nut, it is welded on pre-buried plate along four corner positions, hole corner position pre-buried plate inserts corner vertical rod, hole side middle position pre-buried plate inserts middle vertical rod;

[0009] Positioning bolt, it is threadedly connected on positioning nut;

[0010] Adapter, it includes transverse hoop and longitudinal hoop, transverse hoop and longitudinal hoop vertical fixed;It is installed on corner vertical rod and middle vertical rod;

[0011] L-shaped pipe, it is installed on corner guardrail, it is inserted in longitudinal hoop of adapter in two sides, and it is provided with internal thread in two ends;

[0012] The telescopic cross pipe is installed on the middle guardrail, is inserted into the longitudinal hoop of the adapter, and is coaxial with one end of the L-shaped pipe, and comprises a main pipe, a sub-pipe slidably connected with the main pipe, and a sub-pipe slidably connected with the main pipe at both ends of the main pipe, and an outer thread is arranged at the outer end of the sub-pipe and is matched with the inner thread of the two ends of the L-shaped pipe.

[0013] With the structure, the sub-pipe can be extended by telescoping to connect the L-shaped pipe, and the sub-pipe and the L-shaped pipe are threadedly fastened by rotating.

[0014] As a further improvement of the utility model, the hole is paved with a steel reinforcement protective net.

[0015] As a further improvement of the utility model, the steel reinforcement protective net is paved with a protective plate.

[0016] As a further improvement of the utility model, the end of the steel reinforcement protective net is provided with a threaded sleeve, and an outer thread is distributed on the threaded sleeve; adjacent threaded sleeves are penetrated through a cross plate and fastened by a limiting nut, and the cross plate abuts against a positioning bolt.

[0017] With the structure, the end of the steel reinforcement protective net is fastened to form a fixed support, so that the bending deformation resistance is enhanced.

[0018] As a further improvement of the utility model, the two ends of the main pipe are provided with inner flanges, and the inner end of the sub-pipe is provided with an outer flange to limit each other.

[0019] With the structure, the sub-pipe can be prevented from slipping off.

[0020] The utility model is favorable for adjusting the size of the guardrail to adapt to different sizes of holes. BRIEF DESCRIPTION OF DRAWINGS

[0021] Fig. 1 It is a structural schematic view of an embodiment.

[0022] Fig. 2 It is a structural schematic view of the connection of the main pipe and the sub-pipe.

[0023] Reference signs:

[0024] 1, corner guardrail; 101, corner vertical rod;

[0025] 2, middle guardrail; 201, middle vertical rod;

[0026] 3, pre-embedded plate; 4, hole; 5, limiting nut; 6, limiting bolt;

[0027] 7, adapter; 701, transverse hoop; 702, longitudinal hoop;

[0028] 8, L-shaped pipe;

[0029] 9. Telescopic horizontal tube; 901. Main tube; 902. Secondary tube; 903. Inner flange; 904. Outer flange;

[0030] 10. Reinforcing steel mesh; 11. Protective plate; 12. Threaded sleeve; 13. Horizontal plate; 14. Limiting nut. Detailed Implementation

[0031] 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.

[0032] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and for 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. The terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. Furthermore, unless otherwise explicitly specified and limited, the terms "installed," "connected," and "linked" 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 based on the specific circumstances.

[0033] Example 1

[0034] like Figs. 1-2 As shown, a protective device for construction openings includes:

[0035] Corner guardrail 1, which includes two spaced corner posts 101;

[0036] Central guardrail 2, which includes a central upright 201;

[0037] Embedded plate 3 is arranged around the opening 4;

[0038] Positioning nuts 5 are welded to the embedded plates 3 at the four corners. Corner uprights 101 are inserted into the embedded plates 3 at the corners of the opening 4. Middle uprights 201 are inserted into the embedded plates 3 at the middle of the side of the opening.

[0039] Positioning bolt 6, which is screwed on the positioning nut 5;

[0040] Adapter 7, which includes transverse hoop 701 and longitudinal hoop 702, which are fixed vertically; it is installed on the corner vertical rod 101 and the middle vertical rod 201;

[0041] L-shaped pipe 8, which is installed on the corner guardrail 1, is inserted into the longitudinal hoop 702 of the adapter 7 at both ends, and is provided with internal threads at both ends;

[0042] The telescopic horizontal pipe 9 is installed on the middle guardrail 2, is inserted into the longitudinal hoop 702 of the adapter 7, and is coaxial with one end of the L-shaped pipe 8, and includes a main pipe 901, a secondary pipe 902 slidably connected to the main pipe 901, and a secondary pipe 902 slidably connected to the main pipe 901 at both ends. The outer end of the secondary pipe 902 is provided with external threads and is adapted to the internal threads of the two ends of the L-shaped pipe 8.

[0043] With such a structure, the secondary pipe 902 can be extended by telescoping to connect the L-shaped pipe 8, and by rotating, the secondary pipe 902 and the L-shaped pipe 8 form a threaded fastening.

[0044] In this embodiment, the hole 4 is paved with a steel reinforcement net 10.

[0045] In this embodiment, the steel reinforcement net 10 is paved with a protective plate 11.

[0046] In this embodiment, the end of the steel reinforcement net 10 is provided with a threaded sleeve 12, and the threaded sleeve 12 is provided with external threads; adjacent threaded sleeves 12 are connected by a cross plate 13 and are fastened by a limiting nut 14, and the cross plate 13 abuts against the positioning bolt 6.

[0047] With such a structure, it is beneficial to fasten the end of the steel reinforcement net 10 and form a fixed support to enhance its resistance to bending deformation.

[0048] In this embodiment, the main pipe 901 is provided with an internal flange 903 at both ends, and the secondary pipe 902 is provided with an external flange 904 at the inner end to limit each other.

[0049] With such a structure, the secondary pipe 902 can be prevented from slipping off.

[0050] The utility model is beneficial to adjust the size of the guardrail to adapt to different sizes of the hole.

[0051] The above is further detailed description of the utility model in combination with specific preferred embodiments, and cannot be deemed as limitation of the specific implementation of the utility model to these descriptions. For the skilled in the art to which the utility model belongs, without departing from the concept of the utility model, a number of equivalent substitutions or obvious variations can be made, and the same performance or use is also deemed as belonging to the protection scope of the utility model.

Claims

1. A construction opening protection device, characterized in that, The utility model relates to a corner guardrail (1) which comprises two spaced-apart corner vertical poles (101), a middle guardrail (2) which comprises middle vertical poles (201), a pre-embedded plate (3) which is arranged along the periphery of a hole (4), a positioning nut (5) which is welded at the four corner positions of the pre-embedded plate (3), the pre-embedded plate (3) is inserted into the corner vertical poles (101) at the corner positions of the hole (4) and is inserted into the middle vertical poles (201) at the middle positions of the hole side, a positioning bolt (6) which is threadedly connected to the positioning nut (5), an adapter (7) which comprises a transverse clamp (701) and a longitudinal clamp (702), the transverse clamp (701) and the longitudinal clamp (702) are vertically fixed, and the adapter (7) is installed on the corner vertical poles (101) and the middle vertical poles (201), an L-shaped pipe (8) which is installed on the corner guardrail (1), both sides of the L-shaped pipe (8) are inserted into the longitudinal clamps (702) of the adapter (7), and both ends of the L-shaped pipe (8) are provided with internal threads, a telescopic transverse pipe (9) which is installed on the middle guardrail (2), is inserted into the longitudinal clamps (702) of the adapter (7), is coaxial with one end of the L-shaped pipe (8), and comprises a main pipe (901), a secondary pipe (902) which is slidably connected to the main pipe (901), one end of the main pipe (901) is slidably connected to the secondary pipe (902), the other end of the main pipe (901) is slidably connected to the secondary pipe (902), the outer end of the secondary pipe (902) is provided with external threads, and the external threads of the secondary pipe (902) are matched with the internal threads of the two ends of the L-shaped pipe (8). A reinforcing mesh (10) is laid on the hole (4). A protective plate (11) is laid on the reinforcing mesh (10). The end of the reinforcing mesh (10) is provided with a threaded sleeve (12), the threaded sleeve (12) is distributed with external threads, adjacent threaded sleeves (12) are connected by a cross plate (13) and are fastened by a limiting nut (14), and the cross plate (13) abuts against the positioning bolt (6). The two ends of the main pipe (901) are provided with internal flanges (903), and the inner end of the secondary pipe (902) is provided with an external flange (904) to limit each other. ​ ​ ​ ​ 2. The construction opening protectmg device according to claim 1, characterized in that ​ 3. The construction opening protectmg device according to claim 2, wherein, ​ 4. The construction opening protectmg device according to claim 2, wherein, ​ 5. The construction opening protectmg device according to claim 1, wherein, ​

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