Building embedded foundation

Abstract

The utility model relates to the technical field of building foundations, in particular to a building embedded foundation which comprises a fixing bottom plate, the bottom face of the fixing bottom plate is fixedly connected with an embedded reinforcing reinforcement cage, the fixing bottom plate is of a hollow structure, and the surface of the fixing bottom plate is evenly and rotationally connected with a plurality of connecting bolts. Transmission gears are fixedly connected to the positions, located on the inner wall of the fixed bottom plate, of the connecting bolts. The device has the advantages that the inner gear ring can be driven to rotate by rotating the transmission worm, and the transmission gears are driven to rotate synchronously, so that the connecting bolts are driven to rotate simultaneously, the connecting bolts can be tightened or loosened simultaneously, the disassembly and assembly efficiency is improved, the fastening nut is guided through the hexagonal sleeve, and the disassembly and assembly efficiency is improved. Automatic jacking is achieved through the thrust spring, the fastening nut is automatically tightened when the connecting bolt rotates, fastening is achieved, meanwhile, the hexagonal sleeve covers the connecting bolt and the fastening nut, rainwater erosion can be avoided, the service life is prolonged, and later disassembly is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of building foundations, in particular to a pre-buried building foundation. Background Art

[0002] Prefabricated buildings refer to buildings that transfer a large amount of on-site work in traditional construction methods to factories, where building components and accessories (such as floor slabs, wall panels, stairs, balconies, etc.) are processed and manufactured in factories, transported to construction sites, and assembled and installed on site through reliable connection methods. Prefabricated buildings mainly include prefabricated concrete structures, steel structures, modern wooden structures, etc., and are representatives of modern industrialized production methods because they adopt standardized design, factory production, assembly construction, information management, and intelligent applications. Existing prefabricated concrete structures all first lay the foundation, pre-embed the foundation on the foundation, and have anchor bolts on the pre-embedded foundation.

[0003] Chinese utility model CN220184071U discloses a pre-buried foundation for a building. The pre-buried foundation for a building can realize the quick passing of the pre-buried bolt through the quick fixing hole without removing the locking nut by combining the quick fixing hole and the rotating positioning piece. Then, the waist-shaped positioning block is rotated and cooperated with the sink groove to realize quick positioning, thereby effectively improving the assembly efficiency. However, the pre-buried foundation for a building still has the following problems in use:

[0004] The embedded foundation of the building needs to be installed with nuts tightened one by one, which is a time-consuming operation. In addition, the bolt heads are directly exposed to the outside and are prone to rust, making it difficult to disassemble later. Utility Model Content

[0005] The purpose of the present invention is to solve at least one of the above technical deficiencies.

[0006] Therefore, one purpose of the utility model is to provide a pre-buried foundation for a building to solve the problems mentioned in the background technology and overcome the deficiencies in the prior art.

[0007] In order to achieve the above-mentioned purpose, an embodiment of one aspect of the utility model provides a pre-buried foundation for a building, including a fixed base plate, the bottom surface of which is fixedly connected to a pre-buried reinforcing steel cage, the fixed base plate is a hollow structure, the surface of the fixed base plate is evenly rotatably connected to a plurality of connecting bolts, a plurality of connecting bolts are located at the inner wall of the fixed base plate and are fixedly connected to transmission gears, the edge of the top of the inner wall of the fixed base plate is fixedly connected to a connecting bearing, the bottom of the connecting bearing is fixedly connected to an inner gear ring, the inner gear ring is simultaneously meshed with the surfaces of a plurality of connecting bolts to obtain a transmission gear connection, the outer side surface of the inner gear ring is provided with a worm gear surface, one side of the fixed base plate is fixedly connected to a transmission box, and the middle part of the transmission box is rotatably connected to A transmission worm, wherein the middle part of the transmission worm is meshed and connected with the outer side of the inner gear ring through the tooth surface of the worm wheel, a connecting disk is arranged on the top of the fixed base plate, and a plurality of connecting holes are opened on the edge of the surface of the connecting disk, and the positions of the plurality of connecting holes respectively correspond to the positions of the plurality of connecting bolts, and a plurality of hexagonal sleeves are fixedly connected to the edge of the top surface of the connecting disk, and the center positions of the plurality of hexagonal sleeves respectively correspond to the positions of the centers of the plurality of connecting holes, and the inner walls of the plurality of hexagonal sleeves are slidably connected with fastening nuts, and a thrust spring is arranged between the top surface of the fastening nut and the top of the inner wall of the hexagonal sleeve, and the plurality of connecting bolts pass through the connecting holes and are threadedly connected to the fastening nuts, and the height of the inner wall of the hexagonal sleeve is greater than the length of the connecting bolts.

[0008] Preferably, any of the above schemes is that a support plate is fixedly connected to the edge of the bottom surface of the fixed bottom plate, and a support column is fixedly connected to the center of the top surface of the connection plate.

[0009] The technical effect achieved by adopting the above solution is: the support effect with the ground can be improved through the support plate, the stability can be improved, and the building structure can be connected through the support column.

[0010] Preferably, any of the above solutions has a diameter of the connection disk that matches the diameter of the fixed bottom plate, and a sealing gasket is fixedly connected between the bottom surface of the connection disk and the top surface of the fixed bottom plate.

[0011] The technical effect achieved by adopting the above solution is that after the connecting plate and the fixed base plate are tightened together, the gap can be fully sealed by the sealing gasket.

[0012] Preferably, from any of the above schemes, both ends of the transmission worm penetrate through the outer wall of the transmission box, and the centers of both ends of the transmission worm are provided with hexagonal wrench slots.

[0013] The technical effect achieved by adopting the above scheme is that the transmission worm can be easily rotated by using a hexagonal wrench through the hexagonal wrench slot.

[0014] Preferably, from any of the above schemes, after the connecting plate is fully fitted with the fixed base plate, the distance between the top of the connecting bolt and the top surface of the inner wall of the hexagonal sleeve is greater than the thickness of the fastening nut, and the length of the thrust spring after resetting is adapted to the height of the inner wall of the hexagonal sleeve.

[0015] The technical effect achieved by adopting the above scheme is: the fastening nut has the space to be separated from the top of the connecting bolt to achieve complete disassembly, and the fastening nut can be automatically tightened by the thrust spring.

[0016] Compared with the prior art, the advantages and beneficial effects of the utility model are:

[0017] The pre-buried foundation of the building can drive the inner gear ring to rotate by rotating the transmission worm, thereby driving a plurality of transmission gears to rotate synchronously at the same time, thereby driving a plurality of connecting bolts to rotate at the same time, so that the plurality of connecting bolts can be tightened or loosened at the same time, thereby improving the efficiency of disassembly and assembly, and guiding the fastening nut through the hexagonal sleeve, and realizing automatic tightening through the thrust spring, so that the fastening nut can be automatically tightened when the connecting bolt rotates to realize tightening, and at the same time, the hexagonal sleeve covers the connecting bolt and the fastening nut, which can avoid rain erosion, improve the service life, and facilitate the later disassembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 It is a schematic diagram of the top surface structure of the utility model;

[0020] Figure 3 For this utility model Figure 2 Schematic diagram of the cross-section structure at AA in the middle;

[0021] Figure 4 For this utility model Figure 2 Schematic diagram of the cross-sectional structure at the middle BB.

[0022] In the figure: 1-fixed base plate, 2-connecting plate, 3-support column, 4-embedded reinforcement steel cage, 5-support plate, 6-transmission box, 7-hexagonal sleeve, 8-transmission worm, 9-connecting bolt, 10-transmission gear, 11-connecting bearing, 12-inner gear ring, 13-fastening nut, 14-thrust spring. DETAILED DESCRIPTION

[0023] The present invention is further described below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited to the following description.

[0024] Embodiment 1: Figures 1 to 4As shown, a pre-buried foundation for a building comprises a fixed base plate 1, the bottom surface of which is fixedly connected with a pre-buried reinforcing steel cage 4, the fixed base plate 1 is a hollow structure, the surface of the fixed base plate 1 is evenly connected with a plurality of connecting bolts 9 for rotation, a plurality of connecting bolts 9 are located at the inner wall of the fixed base plate 1 and are fixedly connected with a transmission gear 10, a connection bearing 11 is fixedly connected to the edge of the top of the inner wall of the fixed base plate 1, an inner gear ring 12 is fixedly connected to the bottom of the connecting bearing 11, the inner gear ring 12 is meshed with the surfaces of the plurality of connecting bolts 9 to obtain the transmission gear 10, a worm gear tooth surface is provided on the outer side surface of the inner gear ring 12, a transmission box 6 is fixedly connected to one side of the fixed base plate 1, a transmission worm 8 is rotatably connected to the middle of the transmission box 6, and the transmission The middle part of the worm 8 is meshed and connected with the outer side of the inner gear ring 12 through the worm wheel tooth surface, and a connecting disk 2 is arranged on the top of the fixed base plate 1. A plurality of connecting holes are opened on the edge of the surface of the connecting disk 2, and the positions of the plurality of connecting holes correspond to the positions of a plurality of connecting bolts 9 respectively. A plurality of hexagonal sleeves 7 are fixedly connected to the edge of the top surface of the connecting disk 2, and the center positions of the plurality of hexagonal sleeves 7 correspond to the positions of the center points of the plurality of connecting holes respectively. The inner walls of the plurality of hexagonal sleeves 7 are all slidably connected with fastening nuts 13, and a thrust spring 14 is arranged between the top surface of the fastening nut 13 and the top of the inner wall of the hexagonal sleeve 7. A plurality of connecting bolts 9 are all threadedly connected to the fastening nuts 13 through the connecting holes, and the height of the inner wall of the hexagonal sleeve 7 is greater than the length of the connecting bolts 9.

[0025] As an optional technical solution of the present invention, a support plate 5 is fixedly connected to the edge of the bottom surface of the fixed base plate 1, and a support column 3 is fixedly connected to the center of the top surface of the connecting plate 2. The support plate 5 can improve the supporting effect with the ground and the stability, and the building structure can be connected through the support column 3.

[0026] As an optional technical solution of the utility model, the diameter of the connecting disk 2 is adapted to the diameter of the fixed base plate 1, and a sealing gasket is fixedly connected between the bottom surface of the connecting disk 2 and the top surface of the fixed base plate 1, so that the gap can be fully sealed by the sealing gasket after the connecting disk 2 and the fixed base plate 1 are tightened together.

[0027] As an optional technical solution of the present invention, both ends of the transmission worm 8 pass through the outer wall of the transmission box 6, and internal hexagonal wrench grooves are opened at the centers of both ends of the transmission worm 8, which facilitate the use of a hexagonal wrench to rotate the transmission worm 8.

[0028] As an optional technical solution of the utility model, after the connecting plate 2 is fully fitted with the fixed base plate 1, the distance between the top of the connecting bolt 9 and the top surface of the inner wall of the hexagonal sleeve 7 is greater than the thickness of the fastening nut 13, and the length of the thrust spring 14 after reset is adapted to the height of the inner wall of the hexagonal sleeve 7, so that the fastening nut 13 has space to break away from the top of the connecting bolt 9, realizing complete disassembly, and the fastening nut 13 can be automatically tightened by the push of the thrust spring 14.

[0029] A pre-buried foundation for a building, the working principle is as follows:

[0030] 1) By rotating the transmission worm 8, the inner gear ring 12 can be driven to rotate, thereby driving a plurality of transmission gears 10 to rotate synchronously, thereby driving a plurality of connecting bolts 9 to rotate simultaneously;

[0031] 2) The fastening nut 13 is guided by the hexagonal sleeve 7 and automatically tightened by the thrust spring 14, so that the fastening nut 13 can be automatically tightened when the connecting bolt 9 rotates to achieve tightening.

[0032] To sum up, the embedded foundation of the building can drive the inner gear ring 12 to rotate by rotating the transmission worm 8, thereby driving a number of transmission gears 10 to rotate synchronously, thereby driving a number of connecting bolts 9 to rotate at the same time, so that a number of connecting bolts 9 can be tightened or loosened at the same time, thereby improving the efficiency of disassembly and assembly, and guiding the fastening nut 13 through the hexagonal sleeve 7, and realizing automatic tightening through the thrust spring 14, so that the fastening nut 13 can be automatically tightened when the connecting bolt 9 rotates to achieve tightening, and at the same time, the hexagonal sleeve 7 covers the connecting bolt 9 and the fastening nut 13, which can avoid rain erosion, improve service life, and facilitate later disassembly.

[0033] Although the embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and cannot be understood as limiting the present invention. Those skilled in the art can change, modify, replace and modify the above embodiments within the scope of the present invention without departing from the principles and purpose of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A pre-buried foundation for a building, characterized in that: The invention comprises a fixed base plate (1), the bottom surface of which is fixedly connected to a pre-buried reinforcement steel cage (4), the fixed base plate (1) being a hollow structure, the surface of which is evenly rotatably connected to a plurality of connecting bolts (9), a plurality of connecting bolts (9) being located at the inner wall of the fixed base plate (1) and fixedly connected to a transmission gear (10), a connection bearing (11) being fixedly connected to the edge of the top of the inner wall of the fixed base plate (1), an inner gear ring (12) being fixedly connected to the bottom of the connection bearing (11), the inner gear ring (12) being meshedly connected to the transmission gear (10) on the surfaces of the plurality of connecting bolts (9), the outer side surface of the inner gear ring (12) being provided with a worm gear surface, a transmission box (6) being fixedly connected to one side of the fixed base plate (1), a transmission worm (8) being rotatably connected to the middle of the transmission box (6), the transmission worm (8) The middle part of the rod (8) is meshedly connected with the outer side of the inner gear ring (12) through the worm gear tooth surface. A connecting plate (2) is arranged on the top of the fixed base plate (1). The edge of the surface of the connecting plate (2) is provided with a plurality of connecting holes. The positions of the plurality of connecting holes correspond to the positions of the plurality of connecting bolts (9). The edge of the top surface of the connecting plate (2) is fixedly connected with a plurality of hexagonal sleeves (7). The center positions of the plurality of hexagonal sleeves (7) correspond to the positions of the center points of the plurality of connecting holes. The inner walls of the plurality of hexagonal sleeves (7) are slidably connected with fastening nuts (13). A thrust spring (14) is arranged between the top surface of the fastening nuts (13) and the top of the inner wall of the hexagonal sleeve (7). The plurality of connecting bolts (9) pass through the connecting holes and are threadedly connected with the fastening nuts (13). The height of the inner wall of the hexagonal sleeve (7) is greater than the length of the connecting bolts (9).

2. A pre-buried building foundation according to claim 1, characterized in that: A support plate (5) is fixedly connected to the edge of the bottom surface of the fixed bottom plate (1), and a support column (3) is fixedly connected to the center of the top surface of the connection plate (2).

3. A pre-buried building foundation according to claim 2, characterized in that: The diameter of the connection disk (2) matches the diameter of the fixed base plate (1), and a sealing gasket is fixedly connected between the bottom surface of the connection disk (2) and the top surface of the fixed base plate (1).

4. A pre-buried building foundation according to claim 3, characterized in that: Both ends of the transmission worm (8) penetrate the outer wall of the transmission box (6), and the centers of both ends of the transmission worm (8) are provided with hexagonal wrench slots.

5. A pre-buried building foundation according to claim 4, characterized in that: When the connecting plate (2) and the fixed base plate (1) are completely fitted together, the distance between the top of the connecting bolt (9) and the top surface of the inner wall of the hexagonal sleeve (7) is greater than the thickness of the fastening nut (13), and the length of the thrust spring (14) after reset is adapted to the height of the inner wall of the hexagonal sleeve (7).

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