Embedded sleeve for fabricated building

Abstract

The utility model relates to the technical field of fabricated buildings, and discloses a pre-embedded sleeve for fabricated buildings, which comprises a pre-embedded sleeve body and a prefabricated template arranged at the bottom of the pre-embedded sleeve body, the spiral ring is arranged on the outer side of the embedded sleeve body, and a limiting ring is fixed to the top of the embedded sleeve body; the sealing piece is arranged at the top end of the embedded sleeve body; before stair or balcony step pouring, the embedded sleeve body is installed on a prefabricated formwork and is matched with temporary plugging of the sealing piece, site punching can be avoided when a handrail is installed, manpower and time for site punching and installation are saved, work efficiency is improved, and the embedded sleeve body is installed on the prefabricated formwork and is matched with temporary plugging of the sealing piece. The step is not damaged when the sleeve body is installed without punching, and the sleeve can be accurately positioned when the sleeve body is pre-embedded through the arrangement of the positioning piece, so that the pre-embedded sleeves are uniform in height and do not deviate in the installation process.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of fabricated building, specifically to a pre -buried sleeve for fabricated building. BACKGROUND

[0002] Fabricated building is a modern building method, which pre-fabricates building components and accessories in the factory, then transports them to the construction site for assembly and installation, forming a complete building. This method changes the construction mode of the traditional construction industry and has many significant advantages. Because most of the building elements are manufactured in the factory, construction and manufacturing can be done simultaneously, greatly shortening the construction period.

[0003] The existing fabricated building stairs or balcony handrails need to be positioned and drilled on the steps of the stairs or balcony before installation for installing the handrails. When positioning and drilling, impact drills are needed for punching, but the impact drills have a certain impact force, which often damages the surface of the steps. When punching, it may also cause point deviation, causing the handrails to be misaligned during installation, affecting the appearance. At the same time, when a large number of handrails are installed, punching one by one will consume a lot of manpower and time, reducing the installation efficiency. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a pre -buried sleeve for fabricated building to solve the problems raised in the above background.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a pre -buried sleeve for fabricated building, including pre -buried sleeve body, still including:

[0006] The prefabricated template is arranged at the bottom of the pre -buried sleeve body, the top of the prefabricated template is provided with a concrete integral pouring layer, and the pre -buried sleeve body is arranged in the concrete integral pouring layer;

[0007] The spiral turns for expanding the contact surface with the concrete integral pouring layer are arranged on the outer side of the pre -buried sleeve body, and the top of the pre -buried sleeve body is fixed with a limiting ring;

[0008] The sealing element for temporary plugging is arranged at the top end of the pre -buried sleeve body;

[0009] The positioning element for preventing position deviation is arranged at the bottom end of the pre -buried sleeve body.

[0010] Preferably, the sealing element includes an internal thread arranged at the top end of the pre -buried sleeve body, the top of the pre -buried sleeve body is provided with a cover, the bottom of the cover is fixed with a plug, and the plug is threadedly connected with the internal thread.

[0011] Preferably, the top of the cover is fixed with a rotating plate, and the outer side of the rotating plate is provided with anti-skid lines.

[0012] Preferably, the positioning member comprises a positioning point arranged on the top of the prefabricated formwork, and the top of the positioning point is provided with a positioning pin.

[0013] Preferably, the bottom of the embedded sleeve body is provided with a positioning hole, the positioning hole is sleeved with the outer side of the positioning pin, and the size of the positioning pin is matched with the inner diameter of the positioning hole.

[0014] Preferably, the outer side of the embedded sleeve body is fixed with two symmetrical mounting blocks, the inner wall of the mounting block is provided with a through hole, the through hole is inserted with a self-tapping screw, and the top of the self-tapping screw is provided with a cross port.

[0015] Preferably, the inside of the embedded sleeve body is inserted with a handrail insertion rod, and a glue filling part is arranged between the insertion rod and the embedded sleeve body.

[0016] Preferably, the inner wall of the embedded sleeve body is provided with a placing groove, and the inner wall of the placing groove is fixed with a rubber ring.

[0017] Compared with the prior art, the beneficial effects of the present application are as follows:

[0018] The embedded sleeve body is installed on the prefabricated formwork before pouring the stairs or the balcony steps, and the temporary plugging of the sealing element can avoid on-site punching during installation of the handrail, saves the manpower and time of on-site punching installation, improves the work efficiency, and avoids damage to the steps caused by punching installation, the precise positioning of the sleeve is realized when the embedded sleeve body is installed through the arrangement of the positioning member, the heights of the sleeves are uniform, and the installation will not be deviated, thereby improving the overall aesthetic appearance of the installed handrail. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 A preferred embodiment structure schematic view of the embedded sleeve for fabricated buildings provided by the present application is shown in the figure;

[0020] Figure 2 A structure schematic view of the sealing element provided by the present application is shown in the figure;

[0021] Figure 3 A structure schematic view of the positioning member provided by the present application is shown in the figure;

[0022] Figure 4 A structure schematic view of the inside of the embedded sleeve body provided by the present application is shown in the figure.

[0023] In the figure: 1, pre-embedded sleeve body; 2, prefabricated template; 3, concrete integral pouring layer; 4, spiral ring; 5, limiting ring; 6, sealing element; 61, internal thread; 62, cover; 63, plug; 64, rotating plate; 65, non-slip pattern; 7, positioning element; 71, positioning point; 72, positioning pin; 73, positioning hole; 74, mounting block; 75, through hole; 76, self-tapping screw; 77, cross; 8, insertion rod; 9, glue filling; 10, placing groove; 11, rubber ring. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0025] Please refer to Figures 1-4 As shown in the figure, a pre-embedded sleeve for fabricated building, including pre-embedded sleeve body 1, still including setting in the pre-embedded sleeve body 1 bottom prefabricated template 2, the top of prefabricated template 2 is provided with concrete integral pouring layer 3, pre-embedded sleeve body 1 is set in concrete integral pouring layer 3 inside, pre-embedded sleeve body 1 is set as cylindrical, for installing on prefabricated template 2, through concrete integral pouring layer 3 forms the step, pre-embedded sleeve body 1 is fixed in the step through concrete solidification, finally installs the handrail through pre-embedded sleeve body 1.

[0026] The spiral ring 4 is arranged on the outer side of the pre-embedded sleeve body 1 to expand the contact surface with the concrete integral pouring layer 3. By arranging the spiral ring 4, the contact surface between the outer surface of the pre-embedded sleeve body 1 and the concrete integral pouring layer 3 can be expanded, the pre-embedded sleeve body 1 can be prevented from loosening and separating from the concrete integral pouring layer 3, the stability of the pre-embedded sleeve body 1 after pre-embedding is improved, and the stability of the handrail installation is improved. The limiting ring 5 is fixed to the top of the pre-embedded sleeve body 1. By arranging the limiting ring 5, the limiting of the concrete pouring according to the step height can be realized, so that the lowest point of the limiting ring 5 is flush with the concrete after pouring. In this way, the integral pouring height of all steps is unified, and the installation height of all handrails is unified, and the aesthetic appearance is improved.

[0027] The sealing piece 6 arranged at the top end of the embedded sleeve body 1 is used for temporary sealing, which can temporarily seal the embedded sleeve body 1 before pouring concrete, avoid the concrete slurry from falling into the embedded sleeve body 1 during pouring, cause the embedded sleeve body 1 to be sealed, and make the embedded sleeve body 1 unable to be used. The sealing piece 6 comprises an internal thread 61 arranged at the top end of the embedded sleeve body 1. The top of the embedded sleeve body 1 is provided with a cover 62. The bottom of the cover 62 is fixedly provided with a plug 63. The plug 63 is threadedly connected with the internal thread 61. The top of the cover 62 is fixedly provided with a rotating plate 64. The outer side of the rotating plate 64 is provided with anti-skid lines 65. The internal thread 61 arranged at the top end of the embedded sleeve body 1 can facilitate the rotation of the cover 62, so that the plug 63 at the bottom of the cover 62 is threadedly connected with the internal thread 61. Then, the cover 62 can be connected with the embedded sleeve body 1, the top opening of the embedded sleeve body 1 is sealed, the rotating plate 64 is fixedly arranged at the top of the cover 62, which can facilitate the rotation of the cover 62 by the staff, the anti-skid lines 65 can prevent the staff from slipping when rotating the rotating plate 64, and the convenience of installation of the cover 62 is improved.

[0028] The positioning piece 7 arranged at the bottom end of the embedded sleeve body 1 is used for preventing position deviation. The positioning piece 7 can accurately install the embedded sleeve body 1 at a specified position on the prefabricated formwork 2 before pouring concrete, improve the accuracy of the installation position of the handrail, and improve the aesthetic appearance after the installation of the handrail is completed. The positioning piece 7 comprises a positioning point 71 arranged at the top of the prefabricated formwork 2. The top of the positioning point 71 is provided with a positioning pin 72. The bottom of the embedded sleeve body 1 is provided with a positioning hole 73. The positioning hole 73 is sleeved on the outer side of the positioning pin 72. The size of the positioning pin 72 is matched with the inner diameter of the positioning hole 73. The positioning point 71 is arranged at a specified point of the prefabricated formwork 2 and is used for positioning the installation of the embedded sleeve body 1. The staff uses a hammer to knock the positioning pin 72 into the positioning point 71 until the bottom of the positioning ring on the outer side of the positioning pin 72 contacts the top of the prefabricated formwork 2. Then, the staff stops knocking. At this time, the upper part of the positioning ring on the positioning pin 72 is exposed. The staff positions the embedded sleeve body 1 by clamping the embedded sleeve body 1 on the positioning pin 72 through the positioning hole 73. The outer side of the embedded sleeve body 1 is fixedly provided with two symmetrically arranged mounting blocks 74. The inner wall of the mounting block 74 is provided with a through hole 75. The through hole 75 is inserted with a self-tapping screw 76. The top of the self-tapping screw 76 is provided with a cross 77. The mounting block 74 is fixedly arranged on the outer side of the embedded sleeve body 1. The mounting block 74 is arranged as two blocks and is symmetrically arranged. After the embedded sleeve body 1 is positioned, the bottom of the mounting block 74 is flush with the top of the prefabricated formwork 2. The staff uses a screwdriver to pass the cross 77 to make the self-tapping screw 76 pass through the through hole 75 in the mounting block 74, so that the self-tapping screw 76 is rotated into the prefabricated formwork 2. The mounting block 74 is fixed with the prefabricated formwork 2, and then the embedded sleeve body 1 is fixed with the prefabricated formwork 2.

[0029] The embedded sleeve body 1 is inserted with the handrail inserting rod 8, and the filling glue part 9 is arranged between the embedded sleeve body 1 and the inserting rod 8. The inserting rod 8 is inserted into the embedded sleeve body 1 from the bottom of the handrail, and the handrail is positioned because the embedded sleeve body 1 is fixed in the poured step. Then the filling glue part 9 is filled with sealant, so that the inserting rod 8 and the embedded sleeve body 1 are more stable. The inserting rod 8 is further sleeved with a decorative gasket, the filling glue part 9 is covered, and the appearance is improved.

[0030] The inner wall of the embedded sleeve body 1 is provided with a placing groove 10, and the inner wall of the placing groove 10 is fixed with a rubber ring 11. The placing groove 10 can be arranged to install the rubber ring 11. The rubber ring 11 can be arranged to limit the inserting rod 8 after the inserting rod 8 is inserted into the embedded sleeve body 1, so as to avoid loosening of the inserting rod 8. The inner diameter of the rubber ring 11 is matched with the outer diameter of the inserting rod 8. Butter can be applied to the outer side of the bottom end of the inserting rod 8 before the inserting rod 8 is inserted into the embedded sleeve body 1, so that the inserting rod 8 can pass through the rubber ring 11 more smoothly.

[0031] Working principle: before pouring the stairs or the balcony step, the embedded sleeve body 1 is installed on the prefabricated formwork 2. When installing, the worker uses a hammer to knock the positioning pin 72 into the positioning point 71 on the prefabricated formwork 2 until the bottom of the positioning ring on the outer side of the positioning pin 72 contacts the top of the prefabricated formwork 2. Stop knocking. At this time, the upper part of the positioning ring on the positioning pin 72 is exposed. The worker positions the embedded sleeve body 1 by clamping the positioning pin 72 through the positioning hole 73. After the embedded sleeve body 1 is positioned, the bottom of the mounting block 74 is flush with the top of the prefabricated formwork 2. The worker uses a screwdriver to pass through the cross hole 77 to make the self-tapping screw 76 pass through the through hole 75 in the mounting block 74, so that the self-tapping screw 76 is turned into the prefabricated formwork 2 to fix the mounting block 74 and the prefabricated formwork 2, and then the embedded sleeve body 1 and the prefabricated formwork 2 are fixed. Then the cover 62 is threadedly connected with the internal thread 61 through the plug 63 to temporarily seal the top hole of the embedded sleeve body 1. Then the concrete is poured to form the step. When the handrail is installed, the cover 62 is removed, the inserting rod 8 at the bottom of the handrail is inserted into the embedded sleeve body 1, and finally the filling glue part 9 between the inserting rod 8 and the embedded sleeve body 1 is filled with sealant to fix the handrail.

[0032] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to exclude myriad other embodiments of the present application that other inventors can develop based on the same general inventive concepts embodied by the described embodiments. That is, although the present application is described in terms of particular embodiments and implementations, it is to be understood that the terminology used is for the purpose of descriptive clarity and that it is intended to be limited only by the words recited in the appended claims. The scope of the present application shall be limited only by the claims.

[0033] While the embodiments of the present application have been shown and described with respect to particular embodiments thereof, it will be understood by those skilled in the art that various changes in form and details can be made therein without departing from the spirit and scope of the application. Therefore, the scope of the application should not be limited by the embodiments, but should be defined only in accordance with the following claims and their equivalents.

Claims

1. A pre-buried sleeve for a fabricated building, comprising a pre-buried sleeve body (1), characterized in that, Also include: The prefabricated template (2) is arranged at the bottom of the embedded sleeve body (1), and the top of the prefabricated template (2) is provided with a concrete integral pouring layer (3), and the embedded sleeve body (1) is arranged in the concrete integral pouring layer (3); The spiral coil (4) arranged outside the embedded sleeve body (1) is used to expand the contact surface with the concrete integral pouring layer (3), and the top of the embedded sleeve body (1) is fixed with a limiting ring (5); The sealing element (6) arranged at the top end of the embedded sleeve body (1) is used for temporary plugging; The positioning element (7) arranged at the bottom end of the embedded sleeve body (1) is used for preventing position deviation.

2. A pre-buried sleeve for fabricated buildings according to claim 1, characterized in that: The sealing element (6) includes an internal thread (61) arranged at the top end of the embedded sleeve body (1), the top of the embedded sleeve body (1) is provided with a cover (62), the bottom of the cover (62) is fixed with a plug (63), and the plug (63) is threadedly connected with the internal thread (61).

3. A pre-buried sleeve for fabricated building according to claim 2, characterized in that: The top of the cover (62) is fixed with a rotating plate (64), and the outer side of the rotating plate (64) is provided with anti-skid lines (65).

4. A pre-buried sleeve for fabricated building according to claim 1, characterized in that: The positioning element (7) includes a positioning point (71) arranged at the top of the prefabricated template (2), and the top of the positioning point (71) is provided with a positioning pin (72).

5. A pre-buried sleeve for fabricated building according to claim 4, characterized in that: The bottom of the embedded sleeve body (1) is provided with a positioning hole (73), the positioning hole (73) is sleeved outside the positioning pin (72), and the size of the positioning pin (72) is matched with the inner diameter of the positioning hole (73).

6. A pre-buried sleeve for fabricated building according to claim 5, characterized in that: The outer side of the embedded sleeve body (1) is fixed with two symmetric mounting blocks (74), the inner wall of the mounting block (74) is provided with a through hole (75), the through hole (75) is inserted with a self-tapping screw (76), and the top of the self-tapping screw (76) is provided with a cross port (77).

7. A pre-buried sleeve for fabricated building according to claim 1, characterized in that: The inside of the embedded sleeve body (1) is inserted with a handrail inserting rod (8), and a glue filling portion (9) is arranged between the inserting rod (8) and the embedded sleeve body (1).

8. A pre-buried sleeve for fabricated building according to claim 1, characterized in that: The inner wall of the embedded sleeve body (1) is provided with a placing groove (10), and the inner wall of the placing groove (10) is fixed with a rubber ring (11).

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