A recyclable temporary hole sealing structure

Abstract

The utility model discloses a kind of turnover type hole temporary plugging structures, including the upper cover plate and lower cover plate being arranged in the upper and lower sides of concrete hole, lower cover plate includes fixed plate, side plate located in the left and right sides of fixed plate and the connecting shaft for connecting fixed plate and side plate, the outside of connecting shaft is surrounded by torsion spring, cover plate spacing adjusting member is arranged between lower cover plate and upper cover plate, cover plate spacing adjusting member includes the threaded rod that is simultaneously penetrated the center of upper cover plate and lower cover plate, rotating handle located in the upper end of threaded rod and the abutting block being arranged in the bottom of threaded rod.The utility model is by obliquely arranged side plate to adhere floor bottom surface, torsion spring is continuously retracted to form overall clamping, eliminate the problem that hanging steel bar adds iron wire and is easy to loosen, overall can be directly removed, realize repeated use, avoid one-time scrap waste, single rotating handle is completed installation removal in whole upper, need not scaffold and secondary repair, significantly save labor and material.

Description

Technical Field

[0001] This utility model relates to, but is not limited to, the field of building construction technology. Specifically, it relates to a reusable temporary sealing structure for openings. Background Technology

[0002] Currently, during the main construction of building projects, openings, ventilation shafts, or other openings are marked out on the floor slabs as needed to facilitate construction. These openings are generally small in size and are temporarily sealed after the main structure is completed.

[0003] In existing construction techniques, the common method for sealing openings is to use reinforcing bars and wires. This method is ineffective and makes it difficult to recycle and reuse the materials, resulting in indirect economic losses. Therefore, a reusable temporary opening sealing structure is designed. Utility Model Content

[0004] The technical problem to be solved by this utility model is to overcome the defects of the prior art and provide a reusable temporary sealing structure for openings.

[0005] To solve the above-mentioned technical problems, this utility model provides the following technical solution: This utility model discloses a reusable temporary sealing structure for openings, including an upper cover plate and a lower cover plate disposed on the upper and lower sides of a concrete opening. The lower cover plate includes a fixed plate, side plates located on the left and right sides of the fixed plate, and a connecting shaft for connecting the fixed plate and the side plates. A torsion spring is wrapped around the outside of the connecting shaft. A cover plate spacing adjustment component is disposed between the lower cover plate and the upper cover plate. The cover plate spacing adjustment component includes a threaded rod that passes through the center of both the upper cover plate and the lower cover plate, a rotating handle located at the upper end of the threaded rod, and an abutment block disposed at the bottom of the threaded rod.

[0006] Preferably, the upper inner side of the side plate is arc-shaped, and connecting blocks are fixed on both sides of the fixing plate. The connecting blocks are arc-shaped, and a rotating block adapted to the connecting block is fixed on the inner side of the side plate. The connecting block and the rotating block are concentrically arranged, and the rotating block is placed on the outer side of the connecting block.

[0007] Preferably, the connecting shaft passes through both the connecting block and the rotating block, the connecting shaft is threaded into the connecting block, the rotating block is rotatably connected to the connecting shaft, one end of the torsion spring is inserted into the side plate, and the other end is inserted into the connecting block or the fixing plate.

[0008] Preferably, a spring guard is provided on the outer side of the torsion spring. The spring guard includes a guard frame and a locking block. The guard frame is placed on the outer side of the torsion spring and the inner side of the two connecting blocks. The locking block is fixed on both sides of the guard frame.

[0009] Preferably, the inner side of the connecting block is provided with a slot that is adapted to the card block, and the protective frame and the connecting block are connected by the card block and the slot.

[0010] Preferably, the inner side of the protective frame has a slot, the cross-section of the protective frame is C-shaped, and the protective frame is made of either polyamide or stainless steel.

[0011] Preferably, the rotating handle is fixedly connected to the threaded rod, and the cross-section is designed in a "T" shape. The abutment block is placed on the bottom side of the fixed plate, and the threaded rod is threadedly engaged with the upper cover plate, the fixed plate, and the abutment block.

[0012] Preferably, a positioning pin is provided on the bottom side of the upper cover plate. The positioning pin includes a main pin body and a reinforcing pin. The top of the main pin body is threaded into the upper cover plate, and the reinforcing pin is located on the outer side of the top of the main pin body.

[0013] Preferably, at least three reinforcing nails are obliquely placed on the outer side of the main nail body, the top of the reinforcing nails is threaded into the main nail body, and a washer is provided between the outer side of the main nail body and the top of the reinforcing nails, the washer being made of wear-resistant rubber.

[0014] Preferably, the upper cover plate is a square plate or has the same structure as the lower cover plate.

[0015] Compared with the prior art, the beneficial effects of this utility model are as follows: This utility model uses an inclined side plate to fit against the bottom surface of the floor slab, and a torsion spring continuously retracts to form an overall clamping effect. This eliminates the problem of easy loosening when using steel bars and wires for sealing. The entire unit can be directly disassembled and reused, avoiding waste from one-time scrapping. The entire process can be completed by a single person rotating the handle at the top, without the need for scaffolding or secondary repairs. This significantly saves labor and materials, and directly solves the problems of poor sealing effect, non-recyclable materials, and indirect economic losses associated with traditional methods.

[0016] To more clearly illustrate the embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings in the following description are merely exemplary, and those skilled in the art can derive other embodiments based on the provided drawings without creative effort.

[0017] The structures, proportions, sizes, etc. illustrated in this specification are only for the purpose of assisting those skilled in the art in understanding and reading the content disclosed herein, and are not intended to limit the implementation conditions of this utility model. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportions, or adjustments to the size, without affecting the effects and objectives that this utility model can produce, should still fall within the scope of the technical content disclosed in this utility model. Attached Figure Description

[0018] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings: Figure 1 This is a schematic diagram of the structure of this utility model installed in a floor opening; Figure 2 This is a schematic diagram of the overall structure of this utility model; Figure 3 This is an enlarged view of part A of the overall structural schematic diagram of this utility model; Figure 4 This is a schematic diagram of the planar structure of this utility model; Figure 5 This is a schematic diagram of the structure of the second embodiment of the present invention; Figure 6 This is a schematic diagram of the sealing structure of the second embodiment of this utility model; In the diagram: 1. Top cover plate; 2. Lower cover plate; 21. Fixing plate; 22. Side plate; 23. Connecting block; 24. Rotating block; 25. Connecting shaft; 26. Torsion spring; 27. Torsion spring protective component; 271. Protective frame; 272. Slot; 273. Locking block; 3. Cover plate spacing adjustment component; 31. Threaded rod; 32. Rotating handle; 33. Abutment block; 4. Positioning screw; 41. Main screw body; 42. Reinforcing screw; 43. Washer; 5. Concrete openings. Detailed Implementation

[0019] like Figure 1-4As shown, this utility model provides a reusable temporary sealing structure for openings, including an upper cover plate 1 and a lower cover plate 2 disposed on the upper and lower sides of a concrete opening 5. The upper cover plate 1 is a square plate with dimensions adapted to the opening, and its edges extend 2-5 cm beyond the edge of the opening. The lower cover plate 2 includes a fixing plate 21, side plates 22 located on the left and right sides of the fixing plate 21, and a connecting shaft 25 for connecting the fixing plate 21 and the side plates 22. A torsion spring 26 is wrapped around the outside of the connecting shaft 25. A cover plate spacing adjustment component 3 is disposed between the lower cover plate 2 and the upper cover plate 1. The cover plate spacing adjustment component 3 includes a threaded rod 31 that passes through the center of both the upper cover plate 1 and the lower cover plate 2, a rotating handle 32 located at the upper end of the threaded rod 31, and an abutment block 33 disposed at the bottom of the threaded rod 31.

[0020] Furthermore, in this embodiment, the upper inner side of the side plate 22 is arc-shaped, which facilitates the movement of the side plate 22 on the surface of the floor slab. The arc-shaped end face forms a line contact with the floor slab. Connecting blocks 23 are fixed on both sides of the fixing plate 21. The connecting blocks 23 are arc-shaped. A rotating block 24 adapted to the connecting block 23 is fixed on the inner side of the side plate 22. The connecting block 23 and the rotating block 24 are concentrically arranged, and the rotating block 24 is placed at the front / rear end of the connecting block 23, so that the inner end face of the rotating block 24 rotates at the front / rear end face of the connecting block 23.

[0021] In this embodiment, the connecting shaft 25 passes through both the connecting block 23 and the rotating block 24. The connecting shaft 25 is threadedly engaged with the connecting block 23, and the rotating block 24 is rotatably connected to the connecting shaft 25. One end of the torsion spring 26 is inserted into the side plate 22, and the other end is inserted into the connecting block 23 or the fixing plate 21. The connecting shaft 25 is mounted on the connecting block 23 for position fixation, so that the side plate 22 can rotate on both sides of the fixing plate 21 through the rotating block 24. The preload of the torsion spring 26 gives the two side plates 22 an inward force, so that the two side plates 22 are inclined in the normal state. When acting on the floor opening, they clamp the floor slab at the edge of the opening to achieve temporary sealing.

[0022] It should be noted that the torsion spring 26 may experience elastic failure after prolonged use. Therefore, in order to avoid this situation, the torsion spring 26 needs to be inspected and maintained before, during, and after use.

[0023] In this embodiment, a spring protection component is provided on the outside of the torsion spring 26. The spring protection component includes a protective frame 271 and a locking block 273. The protective frame 271 is placed on the outside of the torsion spring 26 and on the inside of the two connecting blocks 23. The locking block 273 is fixed on both sides of the protective frame 271. The torsion spring 26 is protected by the protective frame 271 to prevent construction debris such as gravel from entering and causing the torsion spring 26 to jam.

[0024] In this embodiment, the inner side of the connecting block 23 is provided with a slot that is compatible with the locking block 273. The protective frame 271 and the connecting block 23 are connected by the locking block 273 and the slot. The protective frame 271 is installed on the inner side of the connecting block 23 by the cooperation of the locking block 273 and the slot. The positions of the slot and the locking block 273 need to be aligned. The locking block 273 can be made of rubber or a metal block covered with rubber, depending on the actual stress.

[0025] In this embodiment, a slot 272 is provided on the inner side of the protective frame 271. The protective frame 271 has a "C" shaped cross-section and is made of either polyamide or stainless steel. Through the slot 272 and the material of the protective frame 271, it can be opened and fitted onto the outside of the torsion spring 26.

[0026] In this embodiment, the rotating handle 32 is fixedly connected to the threaded rod 31, and the cross-section is designed in a "T" shape. The abutment block 33 is placed on the bottom side of the fixed plate 21. The threaded rod 31 is threadedly engaged with the upper cover plate 1, the fixed plate 21 and the abutment block 33. The rotation of the threaded rod 31 is controlled by rotating the handle 32. By manually rotating the rotating handle 32, the distance between the upper and lower cover plates 2 is adjusted based on the effect of the thread. The abutment block 33 is threadedly engaged with the bottom of the threaded rod 31 and is located at the bottom of the lower cover plate 2 to prevent the threaded rod 31 from detaching from the lower cover plate 2.

[0027] In this embodiment, a positioning nail 4 is provided on the bottom side of the upper cover plate 1. The positioning nail 4 includes a main nail body 41 and a reinforcing nail 42. The top of the main nail body 41 is threadedly engaged with the upper cover plate 1. The reinforcing nail 42 is located on the outer side of the top of the main nail body 41. The upper cover plate 1 is temporarily fixed to the area above the floor opening by the positioning nail 4 pre-installed at the bottom of the upper cover plate 1.

[0028] In this embodiment, at least three reinforcing nails 42 are obliquely placed on the outer side of the main nail body 41. The top of the reinforcing nails 42 are threadedly engaged with the main nail body 41. The obliquely placed reinforcing nails 42 further enhance the fixing effect of the main nail body 41 and improve the stability of the upper cover plate 1. A washer 43 is provided between the outer side of the main nail body 41 and the top of the reinforcing nails 42. The washer 43 is made of wear-resistant rubber. The washer 43 prevents the concrete at the edge of the nail hole on the top of the main nail body 41 where the reinforcing nails 42 are installed from being crushed.

[0029] Specifically, the steps for using temporary sealing structures include: S1, Place the assembled upper and lower cover plates 2 above the floor slab into the opening area. The side plate 22 on the lower cover plate 2 is normally inclined inward at 70°–80° with the fixed plate 21 (determined by the preload torque of the torsion spring 26), forming an inverted "V" shape. Lower the upper and lower cover plates 2 vertically from top to bottom. The opening of the "V" shape is 2-5cm larger than the opening. The outer upper end of the side plate 22 first contacts the concrete floor slab. The torsion spring 26 on the side plate 22 receives the compressive force, and the side plate 22 contracts inward. Continue to lower it until the fixed plate 21 is below the opening and the upper end of the side plate 22 has separated from the floor slab opening. At this time, the side plate 22 has opened to the initial "V" shape. S2, drive the positioning nail 4 pre-installed on the upper cover plate 1 into the position above the floor slab opening to temporarily fix the upper cover plate 1 and prevent the cover plate from shifting during subsequent operations. Manually turn the rotating handle 32, and the threaded rod 31 will simultaneously drive the fixing plate 21 to rise. At this time, the upper end of the side plate 22 with the arc design slides along the bottom surface of the floor slab. The side plate 22 is pressed flat by the floor slab from the "V" state to completely fit the bottom surface of the floor slab. The torsion spring 26 is opened to generate a continuous pressing force on the floor slab. Adjust the distance between the upper and lower cover plates 2 according to the depth of the floor slab opening to ensure that the upper and lower cover plates 2 clamp the floor slab firmly. At this point, the opening is completely closed, and the worker can operate while standing above the floor slab. S3, when the floor slab sealing structure needs to be removed, loosen the rotating handle 32, the lower cover plate 2 will descend as a whole, the side plate 22 will detach from the bottom surface of the floor slab, and the side plate 22 will instantly rebound to a 70°–80° inclined “figure-eight” state under the torque of the torsion spring 26. The lower cover plate 2 can be pulled vertically downward from below the opening, and the entire figure-eight structure can be removed from below the opening without obstruction and without the risk of falling.

[0030] Example 1:

[0031] like Figure 5-6 As shown, based on the first embodiment, the structure of the upper cover plate 1 is the same as that of the lower cover plate 2. When the upper cover plate 1 is a square plate, a positioning pin 4 is provided at the bottom of the upper cover plate 1 for positioning. When the upper and lower cover plates 2 have the same structure, the positioning nail 4 is installed on the inner side of the side plate 22 of the upper cover plate 1. After the side plate 22 of the upper cover plate 1 is opened, the position is fixed by the positioning nail 4, and then the cover plate spacing adjustment piece 3 is operated to perform the sealing work.

[0032] It should be noted that, under normal circumstances, the design of the sealing structure of the opening (such as temporary sealing wall, permanent sealing body, construction retaining wall, etc.) does not take into account the repeated walking of people on it.

[0033] The components of this utility model, including the upper cover plate 1, lower cover plate 2, fixing plate 21, side plate 22, connecting block 23, rotating block 24, connecting shaft 25, torsion spring 26, torsion spring protective component 27, protective frame 271, slot 272, locking block 273, cover plate spacing adjustment component 3, threaded rod 31, rotating handle 32, abutment block 33, positioning nail 4, main nail body 41, reinforcing nail 42, gasket 43, and concrete opening 5, are all general standard parts or components known to those skilled in the art. Their structure and principle can be learned by those skilled in the art through technical manuals or conventional experimental methods.

[0034] In the description of this utility model, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "side", "top", "inner", "front", "center", "both ends", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing this utility model and 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.

[0035] Furthermore, the terms "first," "second," "third," and "fourth" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first," "second," "third," or "fourth" may explicitly or implicitly include at least one of those features.

[0036] In this utility model, unless otherwise explicitly specified and limited, the terms "installation", "setting", "connection", "fixing", "screw connection", etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; 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; they can refer to the internal connection of two components or the interaction between two components. Unless otherwise explicitly limited, those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0037] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A recyclable temporary hole closure structure, comprising an upper cover plate (1) and a lower cover plate (2) arranged on the upper and lower sides of a concrete hole (5), characterized in that, The lower cover plate (2) includes a fixed plate (21), side plates (22) located on the left and right sides of the fixed plate (21), and a connecting shaft (25) for connecting the fixed plate (21) and the side plates (22). A torsion spring (26) is surrounded on the outside of the connecting shaft (25). A cover plate spacing adjustment member (3) is provided between the lower cover plate (2) and the upper cover plate (1). The cover plate spacing adjustment member (3) includes a threaded rod (31) that passes through the center of both the upper cover plate (1) and the lower cover plate (2), a rotating handle (32) located at the upper end of the threaded rod (31), and an abutment block (33) located at the bottom of the threaded rod (31).

2. A structure for temporary closure of an opening according to claim 1, wherein The upper inner side of the side plate (22) is arc-shaped. The two sides of the fixing plate (21) are fixed with connecting blocks (23). The connecting blocks (23) are arc-shaped. The inner side of the side plate (22) is fixed with a rotating block (24) that is compatible with the connecting block (23). The connecting block (23) and the rotating block (24) are concentrically arranged, and the rotating block (24) is placed outside the connecting block (23).

3. A structure according to claim 2, wherein, The connecting shaft (25) passes through both the connecting block (23) and the rotating block (24). The connecting shaft (25) is threadedly engaged with the connecting block (23). The rotating block (24) is rotatably connected to the connecting shaft (25). One end of the torsion spring (26) is inserted into the side plate (22), and the other end is inserted into the connecting block (23) or the fixing plate (21).

4. A structure according to claim 3, wherein, A spring guard is provided on the outside of the torsion spring (26). The spring guard includes a guard frame (271) and a locking block (273). The guard frame (271) is placed on the outside of the torsion spring (26) and on the inside of the two connecting blocks (23). The locking block (273) is fixed on both sides of the guard frame (271).

5. A structure according to claim 4, wherein, The inner side of the connecting block (23) is provided with a slot that is compatible with the card block (273), and the protective frame (271) and the connecting block (23) are connected by the card block (273) and the slot.

6. A structure according to claim 5, wherein, The inner side of the protective frame (271) is provided with a slot (272), the cross section of the protective frame (271) is "C" shaped, and the protective frame (271) is made of either polyamide or stainless steel.

7. A structure according to claim 6, wherein, The rotating handle (32) is fixedly connected to the threaded rod (31), and the cross section is designed in a "T" shape. The abutment block (33) is placed on the bottom side of the fixing plate (21). The threaded rod (31) is threadedly engaged with the upper cover plate (1), the fixing plate (21) and the abutment block (33).

8. A structure according to claim 7, wherein, The bottom side of the upper cover plate (1) is provided with a positioning pin (4). The positioning pin (4) includes a main pin body (41) and a reinforcing pin (42). The top of the main pin body (41) is threaded into the upper cover plate (1), and the reinforcing pin (42) is located on the outer side of the top near the main pin body (41).

9. A structure according to claim 8, wherein, At least three reinforcing nails (42) are obliquely placed on the outer side of the main nail body (41). The top of the reinforcing nail (42) is threaded into the main nail body (41). A washer (43) is provided between the outer side of the main nail body (41) and the top of the reinforcing nail (42). The washer (43) is made of wear-resistant rubber.

10. A structure for temporary closure of an opening according to claim 1 or 7, wherein The upper cover plate (1) is a square plate or has the same structure as the lower cover plate (2).

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