Recyclable reserved sleeve for electromechanical hole

Abstract

The utility model discloses a turnover electromechanical hole reserved sleeve which is arranged in a floor in a penetrating mode. A template is arranged at the bottom of the floor slab; a sleeve is arranged in the floor in a penetrating mode, and the upper end of the sleeve exceeds the floor. The sleeve comprises a large-diameter section, a variable-diameter section and a small-diameter section; the variable-diameter section is located at the inner position of a to-be-poured floor slab; a plugging plate is arranged at the top of the large-caliber section, the top surface of the plugging plate exceeds the top surface of the sleeve, a supporting plate is arranged at the bottom of the small-caliber section, a threaded hole is formed in the middle of the supporting plate, a blind hole is formed in the position, corresponding to the threaded hole, of the bottom surface of the plugging plate, and a thread is arranged in the blind hole; a screw rod is arranged in the threaded hole in a penetrating manner, and the bottom of the screw rod extends into the blind hole to be fixed; a protective film is wound on the outer side of the sleeve; and a handle is arranged at the top of the plugging plate so as to solve the problems of dismounting and demolding of the sleeve at the electromechanical hole.

Description

Technical Field

[0001] The utility model belongs to the technical field of building construction, and particularly relates to a reusable sleeve for reserving mechanical and electrical openings. Background Art

[0002] Reserving openings on the cast-in-place floor slab has always been a troublesome matter. Before pouring, sleeves need to be pre-set at the positions where the reserved holes are to be set. One is the up-pulling sleeve mold, and the other is the disposable finished plastic mold. Using the up-pulling sleeve mold to make reserved openings has the following defects: The removal time is limited. The sleeve must be removed when the concrete starts to set. At this time, although the sleeve is easy to remove, it is easy to cause the concrete on the surface of the floor slab to be trampled and collapsed; if the concrete gains strength, the sleeve is tightly combined with the concrete, and it is very difficult to remove the sleeve and it is not easy to demold. It is necessary to chisel the concrete, resulting in poor forming quality of the opening. The sleeve is generally made of steel and is relatively heavy, which is inconvenient to carry during use. Using the disposable finished plastic mold to make reserved openings has the following defects: High cost, which is not conducive to cost saving; it is easy to leave mold fragments in the opening during removal, which will cause potential water leakage at the root of the pipeline. Content of the Utility Model

[0003] The utility model provides a reusable sleeve for reserving mechanical and electrical openings, aiming to solve the problem of removing and demolding the sleeve at the mechanical and electrical opening.

[0004] To achieve the above purpose, the utility model provides a reusable sleeve for reserving mechanical and electrical openings, which is inserted into the floor slab; a template is arranged at the bottom of the floor slab; a sleeve is inserted into the floor slab, and the upper end of the sleeve extends beyond the floor slab; the sleeve includes a large-diameter section, a reducing section and a small-diameter section; the reducing section is located at the position inside the floor slab to be poured; the small-diameter section is arranged below the reducing section, and the bottom surface of the small-diameter section is flush with the template at the bottom of the floor slab; the large-diameter section is arranged above the reducing section, and a sealing plate is arranged at the top of the large-diameter section, and the top surface of the sealing plate extends beyond the top surface of the sleeve. A support plate is arranged at the bottom of the small-diameter section, a threaded hole is arranged in the middle of the support plate, a blind hole is arranged at the position corresponding to the threaded hole on the bottom surface of the sealing plate, and a thread is arranged in the blind hole; a screw rod is inserted into the threaded hole, and the bottom of the screw rod is extended into the blind hole for fixation; a protective film is wound around the outside of the sleeve; a handle is arranged at the top of the sealing plate.

[0005] Furthermore, the upper end of the protective film extends beyond the top of the floor slab; the lower end of the protective film is bent outwards and covers the outer surface of the corresponding side template.

[0006] Furthermore, an arc-shaped groove is arranged at the top of the sealing plate, and the handle is placed and fixed in the arc-shaped groove.

[0007] Further, both ends of the handle are hinged to the side wall of the plugging plate, and rotating the handle drives the sleeve to rotate; the handle is semicircular.

[0008] Further, scale lines are arranged from bottom to top at the large-diameter section.

[0009] Further, the protective film is a bubble film.

[0010] Compared with the prior art, the beneficial effects of the present utility model are as follows: by using a steel sleeve to support at the reserved hole, the support strength is ensured, and by arranging the reduced-diameter section in the floor slab, the stability of the sleeve is ensured; by arranging a protective film on the outer side of the sleeve, the demoulding of the sleeve is convenient; a handle is arranged above the sleeve, which is convenient for the disassembly and demoulding of the sleeve. Description of the Drawings

[0011] Figure 1 It is a schematic cross-sectional structure diagram of the present utility model.

[0012] Figure 2 It is a schematic structure diagram of the sleeve of the present utility model.

[0013] Figure 3 It is a schematic top surface structure diagram of the plugging plate of the present utility model.

[0014] Description of the Drawings: 1. Floor slab; 2. Formwork; 3. Sleeve; 3.1 Large-diameter section; 3.2 Reduced-diameter section; 3.3 Small-diameter section; 4. Plugging plate; 4.1 Blind hole; 5. Protective film; 6. Support plate; 6.1 Threaded hole; 7. Screw; 8. Handle; 10. Arc groove. Detailed Embodiment

[0015] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings of the specification. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0016] In the description of this patent, it should be understood that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing this patent and simplifying the description, rather than indicating or implying 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 this patent.

[0017] Combined with the attached drawings, the utility model is a reusable sleeve for reserving mechanical and electrical openings, which is inserted into the floor slab 1; a formwork 2 is arranged at the bottom of the floor slab 1; a sleeve 3 is inserted into the floor slab 1, and the upper end of the sleeve 3 extends beyond the floor slab 1; the sleeve 3 includes a large-diameter section 3.1, a reduced-diameter section 3.2 and a small-diameter section 3.3; the reduced-diameter section 3.2 is located at the internal position of the floor slab 1 to be poured; the small-diameter section 3.3 is arranged below the reduced-diameter section 3.2, and the bottom surface of the small-diameter section 3.3 is flush with the formwork 2 at the bottom of the floor slab 1; the large-diameter section 3.1 is arranged above the reduced-diameter section 3.2, and a sealing plate 4 is arranged at the top of the large-diameter section 3.1, and the top surface of the sealing plate 4 extends beyond the top surface of the sleeve 3; a support plate 6 is arranged at the bottom of the small-diameter section 3.3; a threaded hole 6.1 is arranged in the middle of the support plate 6, a blind hole 4.1 is arranged at the position corresponding to the threaded hole 6.1 on the bottom surface of the sealing plate 4, and threads are arranged in the blind hole 4.1; a screw rod 7 is inserted into the threaded hole 6.1, and the bottom of the screw rod 7 is extended into the blind hole 4.1 for fixation; a protective film 5 is wound around the outer side of the sleeve 3; a handle 8 is arranged at the top of the sealing plate 4. By arranging the protective film 5 on the outer side of the sleeve 3, it is convenient to take out the sleeve 3 by pulling up the handle 8 after the concrete floor slab solidifies.

[0018] The protective film 5 is made of bubble film, the protective film is wound around the sleeve, and is wound at least 2 turns, and the sleeve is separated from the poured concrete by the protective film 5; the upper end of the protective film 5 extends beyond the top of the floor slab 1; the lower end of the protective film 5 is bent outwards and covers the outer surface of the corresponding side formwork 2 to prevent the concrete poured at the bottom of the sleeve 3 from overflowing.

[0019] An arc-shaped groove 10 is arranged at the top of the sealing plate 4, and the handle 8 is placed and fixed in the arc-shaped groove 10. The two ends of the handle 8 are hinged to the side wall of the sealing plate 4, and rotating the handle 8 drives the sleeve 3 to rotate; the handle 8 is semicircular. When the sleeve 3 is not in use, the handle 8 is placed horizontally and fixed in the arc-shaped groove 10, so that the top surface of the sealing plate 4 is a plane, which is convenient for storage and placement; when in use, the handle 8 is rotated upwards. After the handle 8 is in a vertical state, the handle is rotated horizontally to drive the sleeve 3 to rotate, and the sleeve 3 is lifted upwards to complete the separation from the floor slab.

[0020] The lower part of the sealing plate 4 is supported inside the sleeve 3 to maintain the stability of the sleeve 3. The support plate 6 is supported under the sleeve, and the edge of the support plate extends beyond the edge of the sleeve 3; the support plate 6 supports the bottom of the sleeve 3 and fixes the protective film 5 bent at the bottom of the formwork 2 at the same time.

[0021] Scale lines are provided from bottom to top at the large-diameter section 3.1, facilitating the viewing of the pouring depth of the concrete in the floor slab. Before the concrete pouring, according to the thickness of the floor slab structure, internal supports are appropriately added to the bottom of the small-diameter section 3.3 of the sleeve. The internal supports are sleeved on the screw rod, and the ends of the internal supports are supported on the inner wall of the small-diameter section 3.3.

[0022] The structure of the utility model can be assembled on-site and is convenient for welding; it can be used repeatedly, has strong adaptability, good stability and is convenient for maintenance.

[0023] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above-described exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present utility model, and any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. A reusable sleeve for pre-reserving mechanical and electrical openings, which is inserted through the floor slab (1); a formwork (2) is arranged at the bottom of the floor slab (1); characterized in that: A sleeve (3) is inserted through the floor slab (1), and the upper end of the sleeve (3) extends beyond the floor slab (1); the sleeve (3) includes a large-diameter section (3.1), a reduced-diameter section (3.2) and a small-diameter section (3.3); the reduced-diameter section (3.2) is located at the internal position of the floor slab (1) to be poured; the small-diameter section (3.3) is arranged below the reduced-diameter section (3.2), and the bottom surface of the small-diameter section (3.3) is flush with the formwork (2) at the bottom of the floor slab (1); the large-diameter section (3.1) is arranged above the reduced-diameter section (3.2), and a plugging plate (4) is arranged at the top of the large-diameter section (3.1), the top surface of the plugging plate (4) extends beyond the top surface of the sleeve (3), a support plate (6) is arranged at the bottom of the small-diameter section (3.3), a threaded hole (6.1) is arranged in the middle of the support plate (6), a blind hole (4.1) is arranged at the position corresponding to the threaded hole (6.1) on the bottom surface of the plugging plate (4), and threads are arranged in the blind hole (4.1); a screw rod (7) is inserted through the threaded hole (6.1), and the bottom of the screw rod (7) is extended into the blind hole (4.1) for fixation; a protective film (5) is wound around the outer side of the sleeve (3); a handle (8) is arranged at the top of the plugging plate (4).

2. The reusable electromechanical hole pre - reserved sleeve according to claim 1, wherein: The upper end of the protective film (5) extends beyond the top of the floor slab (1); the lower end of the protective film (5) is bent outwards and covers the outer surface of the corresponding formwork (2).

3. The reusable electromechanical hole pre-reserved sleeve according to claim 1, characterized in that: An arc-shaped groove (10) is arranged at the top of the plugging plate (4), and the handle (8) is placed and fixed in the arc-shaped groove (10).

4. The reusable sleeve for pre-reserving mechanical and electrical openings according to claim 1, characterized in that: Both ends of the handle (8) are hinged to the side wall of the plugging plate (4), and rotating the handle (8) drives the sleeve (3) to rotate; the handle (8) is semicircular in shape.

5. The reusable sleeve for pre-reserving the mechanical and electrical opening according to claim 1, characterized in that: Scale lines are arranged from bottom to top at the large-diameter section (3.1).

6. The reusable electromechanical hole pre - reserved sleeve according to claim 1, wherein: The protective film (5) is a bubble film.

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