Temporary sealing device for floor opening

Abstract

The present invention relates to the technical field of building construction opening protection, and discloses a temporary plugging device for floor openings, including a protective plate covering the floor opening, and a fixing assembly, wherein the fixing assembly includes a fixing rod and a limiting block, a mounting hole is provided at the edge of the protective plate, the fixing rod is penetrated and arranged in the mounting hole, the limiting block is fixedly arranged on the fixing rod below the protective plate, and the limiting block is located between the fixing rod and the edge of the floor opening, and the fixing rod above the protective plate is clamped on the upper surface of the protective plate through a limiting structure. The present invention limits the protective plate by the fixing rod and the limiting block on the fixing rod, fixes the protective plate without damaging the on-site floor, and ensures that the temporary plugging plate is not misplaced due to on-site construction and other reasons, and the opening protection fails, resulting in safety hazards.

Description

Technical Field

[0001] The invention relates to the technical field of building construction hole protection, and in particular to a temporary blocking device for a floor hole. Background Art

[0002] In the cast-in-place construction of house buildings in my country, holes in cast-in-place floor slabs are a common phenomenon. The most common ones are the material transfer holes on the floors. Such holes are the source of safety accidents such as falls and object strikes on site. The main method for on-site construction is to lay wooden boards for protection. However, due to on-site construction reasons, the wooden boards are often misplaced, resulting in failure of protection. Although some processes are used to fix the on-site protection, they are mainly fixed by damaging the floor slabs. The damaged parts may leak during later use. For example, the patent with publication number CN217079807U provides a floor opening protective cover that is easy to disassemble and convenient for manual transportation and transfer, but the protective cover is fixed to the anchor bolts set on the floor through the bolt holes on the anchor bolt connecting plate, and the setting of the anchor bolts will damage the cast-in-place floor; the patent with publication number CN217028209U discloses a hole plugging plate that can be expanded and contracted according to the size of the hole, adapting to the protection of holes of different sizes on site, and a reusable building floor hole protection device, but it fixes the plugging plate by nailing, which will also damage the cast-in-place floor. Summary of the invention

[0003] The technical problem solved by the present invention is to provide a temporary blocking device for a floor opening, which can improve the installation stability of a protective plate without damaging the cast-in-place floor.

[0004] The technical solution adopted by the present invention to solve its technical problems is: a temporary blocking device for a floor opening, including a protective plate covering the floor opening, and also including a fixing component, the fixing component including a fixing rod and a limit block, an installation hole is opened at the edge of the protective plate, the fixing rod is penetrated through the installation hole, the limit block is fixed on the fixing rod below the protective plate, and the limit block is located between the fixing rod and the edge of the floor opening, and the fixing rod above the protective plate is clamped on the upper surface of the protective plate through a limiting structure.

[0005] In order to avoid direct interaction with the cast-in-place floor through rigid connectors, the limit block is fixed under the protective plate through a fixing rod, so that the limit block is located between the fixing rod and the edge of the floor opening, which limits the protective plate and prevents the wooden board from being easily dislocated due to on-site construction and causing protection failure.

[0006] In order to further improve the stability of the protective plate after installation, the fixing assembly also includes an L-shaped first limit plate, which is fixedly connected to the side of the limit block away from the fixing rod, and the first limit plate is abutted against the edge of the floor opening.

[0007] In order to facilitate the installation of the first limiting plate at the edge of the floor opening, a mounting groove extending from the mounting hole to the inner side of the protective plate is opened on the protective plate, so that the fixing rod can move in the mounting groove.

[0008] In order to further improve the convenience of installation, the fixing rod is a threaded rod, the limiting block is provided with a through hole matched with the thread of the fixing rod, and the bottom end of the limiting block is provided with a tightening nut connected with the thread of the fixing rod.

[0009] In order to improve safety, an anti-falling nut fixedly connected to the fixing rod is arranged below the tightening nut.

[0010] Furthermore, the limiting structure includes a second limiting plate welded to the top end of the fixing rod, the second limiting plate is arranged horizontally, and the projection size of the second limiting plate in the vertical direction is larger than the cross-sectional size of the mounting hole.

[0011] In order to facilitate the operation of the fixing rod, a handle is hingedly provided on the second limiting plate.

[0012] Furthermore, the second limiting plate is in the shape of a truncated cone, and a fixed truncated cone is coaxially arranged on the second limiting plate. The handle is a semicircular rod, and the handle radius is larger than the truncated cone radius and smaller than the second limiting plate radius. Fixed shafts are protruding from both ends of the side wall of the fixed truncated cone along any diameter direction, and the two ends of the handle are rotatably connected to the fixed shafts at both ends of the side wall of the fixed truncated cone.

[0013] In order to reduce production costs and facilitate material acquisition, the limit block is made of hollow square steel and the protective plate is made of wood.

[0014] In order to further improve the limiting effect, a fixing component is arranged on at least one side of the protective plate.

[0015] The beneficial effects of the present invention are as follows: the present invention realizes the limiting of the protective plate by the fixing rod and the limiting block on the fixing rod, and realizes the fixing of the protective plate without damaging the on-site floor slab, ensuring that the temporary blocking plate is not misplaced due to on-site construction and other reasons, and the hole protection fails to fail, causing safety hazards. The device of the present invention can use the most common wooden boards on site as the protective plates for the hole, which is completely suitable for the wooden board hole protection commonly used on site, can be reused, has good on-site practicality, low construction cost, good fixing effect, does not cause damage to the cast-in-place floor slab, and avoids water leakage of the floor slab in the later stage. After actual on-site construction inspection, the effect fully meets the actual construction needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the fixed component;

[0017] Figure 2 It is a schematic diagram of various structural parts of the fixed assembly;

[0018] Figure 3This is a schematic diagram of the protective plate and floor opening;

[0019] Figure 4 This is a schematic diagram of the assembly below the protective plate after the device of the present invention is installed;

[0020] Figure 5 This is a schematic diagram of the assembly above the protective plate after the device of the present invention is installed;

[0021] Figure 6 This is a diagram of the limit structure and handle. Figure 1 ;

[0022] Figure 7 This is a diagram of the limit structure and handle. Figure 2 ;

[0023] Figure 8 This is a rendering of the device of the present invention after installation;

[0024] Markings in the figure are: 1-fixing rod, 2-limiting block, 3-first limiting plate, 4-tightening nut, 5-anti-falling nut, 6-handle, 7-protective plate, 8-installation slot, 9-floor opening, 10-second limiting plate. DETAILED DESCRIPTION

[0025] In the description of the present invention, it should be noted that the terms "upper", "lower", "top", "bottom", "front side", "rear side", "back side", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, or the orientation or position relationship in which the invention product is usually placed when in use, or the orientation or position relationship commonly understood by those skilled in the art. Such terms are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance. In this article, "parallel", "perpendicular", etc. are not strict mathematical and / or geometric limitations, but also include errors that can be understood by those skilled in the art and are allowed in manufacturing or use.

[0026] The present invention is further described below in conjunction with the accompanying drawings and specific embodiments.

[0027] See also Figures 1 to 3The temporary blocking device for floor opening of the present invention comprises a fixing assembly and a protective plate 7 covering the floor opening 9, a mounting hole is provided at the edge of the protective plate 7, a fixing rod 1 is arranged through the mounting hole, a limiting block 2 is fixedly arranged on the fixing rod 1 below the protective plate 7, and the limiting block 2 is located between the fixing rod 1 and the edge of the floor opening 9, and the fixing rod 1 above the protective plate 7 is clamped on the upper surface of the protective plate 7 through a limiting structure. The size of the protective plate 7 is for the purpose of covering the floor opening, and its size is determined according to the size of the floor opening. The part of the fixing rod 1 located above the protective plate 7 is clamped on the protective plate 7 through a limiting structure to prevent the whole fixing assembly from falling; it should be understood that the size of the limiting block 2 is adapted to the interval between the fixing rod 1 and the edge of the floor opening 9; the edge of the protective plate 7 of the present invention refers to the part of the protective plate 7 close to the edge of the floor opening 9 after installation, and the position setting of the mounting hole is determined according to the size of the limiting block 2.

[0028] In order to further improve the stability of the protective plate 7 after installation, the fixing assembly further includes an L-shaped first limiting plate 3, see Figure 1 and Figure 4 The first limit plate 3 is fixedly connected to the side of the limit block 2 away from the fixing rod 1. One side wall of the vertical portion of the first limit plate 3 is fixedly connected to the limit block 2, and the other side can fit with the side wall of the floor opening 9. The horizontal portion of the first limit plate 3 fits with the bottom surface of the floor. The first limit plate 3 is integrally abutted against the lower edge of the floor opening 9. The first limit plate 3 set in this way provides a constraint to the protective plate in the vertical direction, further improving the stability of the protective plate 7 after installation. In the case where the protective plate 7 has a large area, the corresponding weight of the protective plate 7 will increase. Therefore, when the protective plate 7 is fixedly installed, the first limit plate 3 cannot be directly lowered so that the first limit plate 3 just abuts against the lower edge of the floor opening 9. Based on this, please refer to 4 and Figure 5 The protective plate 7 is provided with a mounting groove 8 extending from the mounting hole to the inner side of the protective plate 7. The fixing rod 1 can move along the length direction of the mounting groove 8. When installing the protective plate 7, it is convenient to adjust the position of the first limit plate 3 so that it can be moved from the side away from the edge of the floor opening 9 to the corresponding position of the edge of the floor opening 9 and abut against it, thereby improving the ease of installation.

[0029] The fixing rod 1 is a threaded rod, and the limit block 2 is provided with a through hole or a threaded through hole that is threadedly matched with the fixing rod 1. The bottom end of the limit block 2 is provided with a tightening nut 4 that is threadedly connected with the fixing rod 1. The screw thread cooperation can make the limit block 2 firmly fixed, and at the same time, it is convenient to adjust the installation position of the limit block 2 and the protrusion length of the fixing rod 1 above the protective plate 7; during use, the tightening nut 4 is arranged at the bottom end of the limit block 2 to limit the lower end of the limit block 2. First, adjust the position of the limit block 2 on the fixing rod 1 so that it is in a position corresponding to the edge of the floor opening 9 during installation, and then rotate the fixing rod 1 in the form of a threaded rod. Since the limit block 2 has been limited by the edge of the floor opening 9, the position of the limit block 2 remains roughly unchanged during the rotation process, and the fixing rod 1 is gradually screwed into the bottom of the protective plate 7. The protrusion length of the fixing rod 1 above the floor is reduced to a minimum, reducing the risk of tripping or obstruction caused by on-site construction.

[0030] In order to further improve the safety, an anti-falling nut 5 fixedly connected to the fixing rod 1 is arranged below the tightening nut 4 to prevent the limit block 2 and the tightening nut 4 from falling off from the fixing rod 1 easily.

[0031] The limiting structure plays a fixing role to prevent the top of the fixing rod 1 from falling into the floor below due to unrestricted passage through the installation hole. The limiting structure can generally adopt a larger structural member or a structural member for clamping and limiting, such as a pin shaft, a buckle structure, etc. The limiting structure in the present invention includes a second limiting plate 10 welded to the top of the fixing rod 1. The second limiting plate 10 is truncated, and the second limiting plate 10 is horizontally arranged and the projection size of the second limiting plate 10 in the vertical direction is larger than the cross-sectional size of the installation hole. In order to facilitate the operation of the rotation of the fixing rod 1, a handle 6 is hingedly arranged on the second limiting plate 10.

[0032] See also Figure 6 and Figure 7 In order to facilitate the storage of the handle 6, a fixed truncated cone is coaxially arranged on the second limiting plate 10. The handle 6 is a semicircular rod. The radius of the handle 6 is larger than the radius of the truncated cone and smaller than the radius of the second limiting plate 10. The side wall of the fixed truncated cone is respectively protruded with fixed shafts at both ends along any diameter direction. The two ends of the handle 6 are respectively rotatably connected to the fixed shafts at both ends of the side wall of the fixed truncated cone. When the handle 6 is in use, the handle 6 can be in an upright state. When not in use, it is buckled on the second limiting plate 10 to reduce the protrusion height, thereby reducing the risk of tripping or blocking the road.

[0033] In order to reduce production costs and facilitate material acquisition, the limit block 2 is made of square steel with a hollow structure to reduce its weight and reduce the difficulty of installation, and the protective plate 7 is a wooden board.

[0034] In order to further improve the limiting effect, at least one side of the protective plate 7 is provided with a fixing component. According to actual usage, the fixing components can be arranged on multiple sides of the protective plate 7.

[0035] The steps of using the device of the present invention are as follows:

[0036] A. Prepare the raw materials required for the device of the present invention, such as square steel, angle steel, screw rod, nut, wooden board, etc.;

[0037] B. According to the size of the floor opening 9 to be protected, the protective plate 7 is processed with wooden boards, and according to the size of the floor opening 9, a mounting groove is opened at the edge of the protective plate 7 near the edge of the floor opening 9 when the protective plate 7 is in the covering state;

[0038] C. Use a screw as a fixing rod 1, weld a limit plate at the top of the screw, and hinge a handle 6 above the limit plate. Use square steel as a limit block 2, open a threaded hole in the square steel, and then weld an L-shaped angle steel to the side wall of the square steel.

[0039] D. Pass the fixing rod 1 through the installation slot of the protective plate 7, and simultaneously thread the limiting block 2 made of square steel, and set a limiting tightening nut 4 and an anti-dropping nut 5 on the screw rod below the limiting block 2;

[0040] E. Cover the floor opening 9 with the protective plate 7, lift the fixing rod 1, fix the L-shaped angle steel on the lower edge of the floor, turn the handle 6 to tighten the fixing rod 1, so that the limit block 2 is clamped between the fixing rod 1 and the floor opening 9, and at the same time, the limit block 2 is clamped between the protective plate 7 and the tightening nut 4, so as to fix the protective plate 7 to the floor;

[0041] F. Put away the handle 6 to reduce the obstacles on site and complete the construction.

[0042] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A temporary blocking device for a floor opening, comprising a protective plate (7) covering a floor opening (9), characterized in that: The protective plate (7) further comprises a fixing assembly, the fixing assembly comprising a fixing rod (1) and a limiting block (2), a mounting hole being provided at the edge of the protective plate (7), the fixing rod (1) being arranged through the mounting hole, the limiting block (2) being fixedly arranged on the fixing rod (1) below the protective plate (7), and the limiting block (2) being located between the fixing rod (1) and the edge of the floor opening (9), the fixing rod (1) above the protective plate (7) being clamped to the upper surface of the protective plate (7) via a limiting structure, the fixing rod (1) being a threaded rod, and the limiting block (2) being provided with a threaded member which is screwed to the fixing rod (1). The limit block (2) has a through hole with a matching pattern, a tightening nut (4) threadedly connected to the fixing rod (1) is provided at the bottom end, and an anti-falling nut (5) fixedly connected to the fixing rod (1) is provided below the tightening nut (4), and the fixing assembly also includes an L-shaped first limit plate (3), the first limit plate (3) is fixedly connected to the side of the limit block (2) away from the fixing rod (1), the first limit plate (3) is abutted against the edge of the floor opening (9), and the protective plate (7) is provided with a mounting groove (8) extending from the mounting hole to the inner side of the protective plate (7).

2. The temporary blocking device for floor openings according to claim 1, characterized in that: The limiting structure comprises a second limiting plate (10) welded to the top end of the fixing rod (1); the second limiting plate (10) is arranged horizontally and the projection size of the second limiting plate (10) in the vertical direction is larger than the cross-sectional size of the mounting hole.

3. The temporary blocking device for floor openings according to claim 2, characterized in that: A handle (6) is hingedly provided on the second limiting plate (10).

4. The temporary blocking device for floor openings according to claim 3, characterized in that: The second limiting plate (10) is in the shape of a truncated cone. A fixed truncated cone is coaxially arranged on the second limiting plate (10). The handle (6) is a semicircular rod. The radius of the handle (6) is greater than the radius of the truncated cone and less than the radius of the second limiting plate (10). The side wall of the fixed truncated cone is respectively provided with fixed shafts protruding at both ends along any diameter direction thereof. The two ends of the handle (6) are respectively rotatably connected to the fixed shafts at the two ends of the side wall of the fixed truncated cone.

5. The temporary blocking device for floor opening according to claim 1, characterized in that: The limit block (2) is made of square steel, and the protection plate (7) is a wooden board.

6. The temporary blocking device for floor openings according to any one of claims 1 to 5, characterized in that: At least one side of the protective plate (7) is provided with a fixing component.

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