Floor-penetrating sleeve pre-buried fixing and temporary plugging structure

Abstract

The utility model discloses a kind of floor sleeve pre-burying fixing and structure of doing temporary plugging, including floor formwork, its top is provided with floor sleeve, and floor sleeve top is provided with fixed formwork, and fixed formwork is between floor formwork inside with thread connection and is provided with lengthened self-tapping screw, and lengthened self-tapping screw is located in floor sleeve inside, expansion washer is movably set on the outside of lengthened self-tapping screw, expansion washer bottom and fixed formwork top are in close contact, and the bottom of expansion washer top and lengthened self-tapping screw head is in close contact;Floor sleeve bottom is fixedly provided with reinforcing assembly, and floor sleeve outside is fixedly provided with auxiliary structure, auxiliary structure is located above reinforcing assembly, and auxiliary structure and reinforcing assembly are annular array type setting. The utility model realizes the integration of the fixation of floor sleeve and temporary plugging, significantly shorten single pipe fixing time, and can effectively prevent deviation or inclination when concrete pouring.

Description

Technical Field

[0001] This utility model relates to the field of fixing and temporary sealing of pre-embedded fire protection sleeves, and more specifically, to a structure for fixing and temporarily sealing a sleeve that penetrates a floor slab. Background Technology

[0002] In the field of building construction, the installation of piping systems is a crucial step. Many pipes need to pass through cast-in-place concrete slabs, and therefore, the pipe sleeves that pass through the slabs must be fixed and installed before the concrete slabs are poured.

[0003] Currently, to secure these through-slab sleeves and prevent displacement during concrete pouring, nails and binding wires are typically used to tie or weld the sleeves to the floor slab formwork. However, this method has poor fixing effectiveness. During concrete pouring, the sleeves are prone to lateral displacement or tilting, affecting the accurate installation of the piping system. After pouring, binding wires are often embedded in the floor slab, which may corrode over time, leading to leaks in the floor structure. Furthermore, traditional methods often use disposable materials such as binding wires, making recycling difficult. Utility Model Content

[0004] The purpose of this utility model is to provide a structure for pre-embedded fixing of pipes penetrating floor slabs and serving as temporary sealing, so as to solve the problems of poor fixing effect and inconvenience of recycling of traditional methods mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides a structure for pre-embedded fixing of a floor slab sleeve that also serves as a temporary seal. The structure includes a floor slab formwork, a floor slab sleeve at the top of the formwork, and a fixed wooden formwork at the top of the sleeve. An extended self-tapping screw is threadedly connected to the fixed and floor slab formwork, located inside the sleeve. An enlarged washer is movably mounted on the outside of the extended self-tapping screw, with its bottom fitting against the top of the fixed wooden formwork and its top fitting against the bottom of the extended self-tapping screw head. A reinforcing component is fixedly mounted at the bottom of the sleeve, and an auxiliary structure is fixedly mounted on the outside of the sleeve, positioned above the reinforcing component. Both the auxiliary structure and the reinforcing component are arranged in a circular array.

[0006] In a preferred embodiment, the reinforcement component includes a reinforcement base, which is fixedly disposed at the bottom of the through-floor sleeve. Three sets of reinforcement bases are arranged symmetrically in a ring, and the bottom of the reinforcement base is in contact with the top of the wooden formwork of the floor slab. A circular hole is provided inside the reinforcement base, and the circular hole completely penetrates the reinforcement base.

[0007] In a preferred embodiment, the reinforcement component further includes a reinforcement self-tapping screw, which is movably disposed inside the circular hole, with the bottom of the head of the reinforcement self-tapping screw fitting against the top of the reinforcement base, and the reinforcement self-tapping screw is fixed inside the wooden formwork of the floor slab.

[0008] In a preferred embodiment, the auxiliary structure includes auxiliary stiffeners, which are welded to the outside of the through-floor sleeve. Three sets of auxiliary stiffeners are arranged in a ring-shaped symmetrical arrangement, and the auxiliary stiffeners and the reinforcement base are arranged in an alternating manner.

[0009] In a preferred embodiment, the auxiliary stiffener has an auxiliary hole inside, the auxiliary hole completely penetrates the auxiliary stiffener, and two sets of auxiliary holes are provided on one set of auxiliary stiffeners.

[0010] In a preferred embodiment, the extended self-tapping screws are made of carbon steel, and the wooden formwork is made of recycled construction wood formwork.

[0011] Compared with the prior art, the present invention has the following beneficial effects: 1. This utility model integrates the fixing and temporary sealing of through-slab sleeves by using extended self-tapping screws in conjunction with floor slab wooden formwork and fixed wooden formwork. Compared with the traditional nail binding method, the installation steps of this structure are simplified, eliminating the need for welding or complex winding binding, and significantly shortening the fixing time of a single pipe. At the same time, the ring array reinforcement components enhance the stability of the through-slab sleeves, effectively preventing displacement or tilting during concrete pouring and ensuring the accuracy of pipe installation.

[0012] 2. The fixed wooden formwork of this utility model is cut from waste construction wooden formwork, and the extended self-tapping screws and fixed wooden formwork can be repeatedly disassembled and reused. This design breaks the waste mode of disposable materials such as tape and binding wire in the traditional method, and greatly reduces construction costs through material recycling.

[0013] 3. By providing auxiliary stiffeners and auxiliary holes, this utility model enables concrete to flow into the auxiliary holes and form a mechanical interlocking effect during the pouring of the concrete floor slab. At the same time, the design of the auxiliary stiffeners in a ring array significantly increases the contact area between the through-slab sleeve and the concrete floor slab, enabling the through-slab sleeve and the cast-in-place concrete floor slab to form an integral force-bearing system, which is beneficial to enhancing the stability of the through-slab sleeve during later use. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a cross-sectional structural diagram of the floor slab wooden formwork, the through-slab sleeve, and the fixing wooden formwork of this utility model; Figure 3 This is a schematic diagram of the outer surface structure of the through-floor sleeve of this utility model; Figure 4 This is a top view schematic diagram of the through-floor sleeve of this utility model.

[0015] Explanation of reference numerals in the attached figures: 1. Floor slab formwork; 2. Through-slab sleeve; 3. Fixing formwork; 4. Extended self-tapping screw; 5. Enlarged washer; 6. Reinforcing components; 601. Reinforcing base; 602. Round hole; 603. Reinforcing self-tapping screw; 7. Auxiliary structure; 701. Auxiliary stiffener; 702. Auxiliary hole. Detailed Implementation

[0016] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples.

[0017] Example 1: As attached Figure 1 To be continued Figure 4 As shown, the structure of this utility model, which uses a through-slab sleeve for pre-embedding and temporary sealing, includes a floor slab formwork 1, a through-slab sleeve 2, a fixed wooden formwork 3, a reinforcing component 6, and an auxiliary structure 7. The through-slab sleeve 2 is installed on the top of the floor slab formwork 1, and the fixed wooden formwork 3 is installed on the top of the through-slab sleeve 2. An extended self-tapping screw 4 is threadedly connected between the fixed wooden formwork 3 and the interior of the floor slab formwork 1, and the extended self-tapping screw 4 is located inside the through-slab sleeve 2. An enlarged washer 5 is movably installed on the outside of the extended self-tapping screw 4, and the bottom of the enlarged washer 5 is in contact with the top of the fixed wooden formwork 3, while the top of the enlarged washer 5 is in contact with the bottom of the head of the extended self-tapping screw 4.

[0018] In this embodiment, a reinforcing component 6 is fixedly installed at the bottom of the floor slab sleeve 2, and an auxiliary structure 7 is fixedly installed on the outside of the floor slab sleeve 2. The auxiliary structure 7 is located above the reinforcing component 6, and both the auxiliary structure 7 and the reinforcing component 6 are arranged in a ring array.

[0019] Specifically, the reinforcement component 6 includes a reinforcement base 601, a round hole 602, and a reinforcement self-tapping screw 603. The reinforcement base 601 is fixedly installed at the bottom of the through-slab sleeve 2, and three sets of reinforcement bases 601 are arranged symmetrically in a ring. The bottom of the reinforcement base 601 is in contact with the top of the floor slab formwork 1. The round hole 602 is opened inside the reinforcement base 601 and completely penetrates the reinforcement base 601. The reinforcement self-tapping screw 603 is movably installed inside the round hole 602, and the bottom of the head of the reinforcement self-tapping screw 603 is in contact with the top of the reinforcement base 601. The reinforcement self-tapping screw 603 is threadedly connected inside the floor slab formwork 1. Through the cooperation of the extended self-tapping screw 4 with the floor slab formwork 1 and the fixed wooden formwork 3, the fixing and temporary sealing of the through-slab sleeve 2 are integrated. Compared with the traditional nail binding method, the installation steps of this structure are simplified, eliminating the need for welding or complex winding binding, and significantly shortening the single-pipe fixing time. Meanwhile, the ring-shaped array reinforcement component 6 enhances the stability of the through-slab sleeve 2, effectively preventing displacement or tilting during concrete pouring.

[0020] Example 2: As attached Figure 3 With appendix Figure 4 As shown, based on Embodiment 1, the auxiliary structure 7 includes: auxiliary stiffening plates 701 and auxiliary holes 702. The auxiliary stiffening plates 701 are welded to the outside of the through-slab sleeve 2, and three sets of auxiliary stiffening plates 701 are arranged symmetrically in a ring. The auxiliary stiffening plates 701 and the reinforcing base 601 are arranged in an alternating manner. The auxiliary holes 702 are opened inside the auxiliary stiffening plates 701, and the auxiliary holes 702 completely penetrate the auxiliary stiffening plates 701. Two sets of auxiliary holes 702 are opened on one set of auxiliary stiffening plates 701. By setting the auxiliary stiffening plates 701 and auxiliary holes 702, concrete can flow into the auxiliary holes 702 during the concrete slab pouring process to form a mechanical interlocking effect. At the same time, the design of the ring array distribution of the auxiliary stiffening plates 701 significantly increases the contact area between the through-slab sleeve 2 and the concrete slab.

[0021] Example 3: Based on Embodiments 1 and 2, the extended self-tapping screw 4 is made of carbon steel, and the fixed wooden formwork 3 is made of recycled construction wood formwork. Furthermore, the dimensions of the fixed wooden formwork 3 can be cut and adjusted according to the actual specifications and quantity of the through-slab sleeve 2. The fixed wooden formwork 3 is cut from recycled construction wood formwork, and both the extended self-tapping screw 4 and the fixed wooden formwork 3 can be repeatedly disassembled and reused, significantly reducing construction costs through material recycling.

[0022] The specific construction method of this embodiment is described below: First, based on the actual specifications and quantity of the through-slab sleeve 2, cut the waste building template to form a fixed wooden template 3 of suitable size, ensuring that it can completely cover the top opening of the through-slab sleeve 2. Lay the floor slab wooden template 1 at the bottom of the floor slab to be poured, and determine the pre-embedded position of the through-slab sleeve 2 according to the design drawings. Then, place the through-slab sleeve 2 vertically at the positioning point, with the bottom reinforcing base 601 tightly fitted to the top of the floor slab wooden template 1. Insert the reinforcing self-tapping screw 603 through the round hole 602, and screw the reinforcing self-tapping screw 603 into the floor slab wooden template 1, so that the head of the reinforcing self-tapping screw 603 is pressed tightly against the top of the reinforcing base 601, thus completing the bottom fixing of the through-slab sleeve 2. Next, cover the top opening of the through-slab sleeve 2 with the fixed wooden template 3. Insert the enlarged washer 5 onto the outside of the extended self-tapping screw 4, and then screw the extended self-tapping screw 4 between the fixed wooden template 3 and the wooden template 1 of the floor slab until the bottom of the enlarged washer 5 is completely in contact with the top of the fixed wooden template 3, thereby further fixing the through-slab sleeve 2 and temporarily sealing the top of the through-slab sleeve 2. When pouring the floor slab concrete, the concrete flows into the auxiliary hole 702 and forms an integral wrapping structure with the through-slab sleeve 2 and the outside of the auxiliary reinforcing plate 701, fixing the through-slab sleeve 2 inside the cast-in-place floor slab. After the concrete reaches the design strength, rotate the extended self-tapping screw 4 counterclockwise, and then remove the fixed wooden template 3 for reuse.

[0023] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A structure for pre-embedded fixing of a through-floor sleeve that also serves as a temporary seal, characterized in that, include: Floor slab formwork (1), floor slab formwork (1) is provided with a floor slab sleeve (2) at the top, and a fixed formwork (3) is provided at the top of the floor slab sleeve (2). The fixed formwork (3) and the floor slab formwork (1) are connected by a threaded connection and an extended self-tapping screw (4) is provided. The extended self-tapping screw (4) is located inside the floor slab sleeve (2). An enlarged washer (5) is provided on the outside of the extended self-tapping screw (4). The bottom of the enlarged washer (5) is in contact with the top of the fixed formwork (3), and the top of the enlarged washer (5) is in contact with the bottom of the head of the extended self-tapping screw (4). A reinforcing component (6) is fixedly installed at the bottom of the floor slab sleeve (2), and an auxiliary structure (7) is fixedly installed on the outside of the floor slab sleeve (2). The auxiliary structure (7) is located above the reinforcing component (6), and both the auxiliary structure (7) and the reinforcing component (6) are arranged in a ring array.

2. The structure for pre-embedded fixing of the through-floor sleeve and its function as a temporary seal, as described in claim 1, is characterized in that: The reinforcement component (6) includes a reinforcement base (601), which is fixedly installed at the bottom of the floor slab sleeve (2). The reinforcement base (601) is arranged in three sets in a ring symmetrical arrangement. The bottom of the reinforcement base (601) is in contact with the top of the floor slab wooden formwork (1). The reinforcement base (601) has a round hole (602) inside, and the round hole (602) completely penetrates the reinforcement base (601).

3. The structure for pre-embedded fixing of the through-floor sleeve and its function as a temporary seal, as described in claim 2, is characterized in that: The reinforcement component (6) also includes a reinforcement self-tapping screw (603), which is movably disposed inside the round hole (602), and the bottom of the head of the reinforcement self-tapping screw (603) is in contact with the top of the reinforcement base (601), and the reinforcement self-tapping screw (603) is fixed inside the floor slab formwork (1).

4. The structure for pre-embedded fixing of the through-floor sleeve and its function as a temporary seal, as described in claim 2, is characterized in that: The auxiliary structure (7) includes an auxiliary stiffener (701), which is welded to the outside of the through-floor sleeve (2). The auxiliary stiffener (701) is arranged in three sets in a ring symmetrical arrangement, and the auxiliary stiffener (701) and the reinforcement seat (601) are arranged in an alternating manner.

5. The structure for pre-embedded fixing of the through-floor sleeve and its function as a temporary seal, as described in claim 4, is characterized in that: The auxiliary stiffener (701) has an auxiliary hole (702) inside, which completely penetrates the auxiliary stiffener (701), and two sets of auxiliary holes (702) are provided on one set of auxiliary stiffener (701).

6. The structure for pre-embedded fixing of the through-floor sleeve and its function as a temporary seal, as described in claim 1, is characterized in that: The extended self-tapping screw (4) is made of carbon steel, and the wooden formwork (3) is made of waste building wooden formwork.

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