Prefabricated component connection device, building structure and adjustment device

Abstract

Disclosed in the present invention are a prefabricated component connection device, a building structure and an adjustment device. The prefabricated component connection device comprises a male connection assembly and a female connection assembly, wherein the male connection assembly comprises a male connection sleeve and a bolt, an accommodating cavity being formed within the male connection sleeve, the bolt comprising a head portion and a connecting rod, the head portion being located in the accommodating cavity, and the connecting rod extending out of the accommodating cavity; the female connection assembly comprises a female connection sleeve and a nut, a mounting cavity being formed within the female connection sleeve, and the nut being located in the mounting cavity; when the male connection sleeve and the female connection sleeve are assembled and connected to each other, the connecting rod of the bolt is inserted into the mounting cavity of the female connection sleeve and is in threaded connection with the nut; and one of the bolt and the nut is provided with adjusting teeth for adjusting the rotational displacement of the nut on the bolt, and a corresponding one of the male connection sleeve and the female connection sleeve is provided with an adjustment hole corresponding to the adjusting teeth, allowing an adjustment device to pass through the adjustment hole to adjust the adjusting teeth. The prefabricated component connection device of the present application has the advantages of stable connection and easy assembly.

Description

Precast component connection device, building structure and adjustment device Technical Field

[0001] This invention relates to the field of prefabricated building technology, specifically to a prefabricated component connection device, building structure, and adjustment device. Background Technology

[0002] Precast component connection devices are mainly used for connecting precast components in prefabricated buildings, such as the assembly connection between precast concrete bodies. Connecting and assembling precast components through precast component connection devices can greatly improve the construction speed.

[0003] In existing precast component connection devices, the male and female connectors mainly employ two connection methods: snap-fit ​​connection and threaded connection. Snap-fit ​​connection devices use a snap-fit ​​connection between the male and female connectors, resulting in a locked, non-return state after assembly, leading to poor connection stability, difficulty in precisely controlling the snap-fit ​​position, and gaps between the connecting surfaces. Threaded connection devices connect the male and female connectors via threads. However, since both the male and female connectors are located within the heavy and bulky precast components, threaded connections are difficult to assemble, making it hard to fully assemble the connectors, and gaps easily form between the connecting surfaces, thus affecting connection stability.

[0004] Therefore, it is essential to design a prefabricated component connection device that is stable and easy to assemble. Summary of the Invention

[0005] The present invention aims to address, to a certain extent, one of the technical problems in the prior art. To this end, the present invention provides a prefabricated component connection device, a building structure, and an adjustment device, which have the advantages of stable connection and easy assembly.

[0006] In a first aspect, in order to achieve the above objectives, this application provides a prefabricated component connection device, including a male connector assembly and a female connector assembly. The male connector assembly includes a male sleeve and a bolt. A receiving cavity is formed inside the male sleeve. The bolt includes a head and a connecting rod. The head is located inside the receiving cavity, and the connecting rod extends out of the receiving cavity.

[0007] The female connector assembly includes a female connector sleeve and a nut, wherein an installation cavity is formed inside the female connector sleeve and the nut is located inside the installation cavity;

[0008] When the male connector and the female connector are assembled and connected, the connecting rod of the bolt is inserted into the mounting cavity of the female connector sleeve and threadedly connected to the nut.

[0009] One of the bolt and the nut is provided with an adjusting tooth, which is used to adjust the rotational displacement of the nut on the bolt. One of the male sleeve and the female sleeve is provided with an adjusting hole corresponding to the adjusting tooth, so that the adjusting device can pass through the adjusting hole to adjust the adjusting tooth.

[0010] In this technical solution, a fixed connection is achieved by setting a threaded connection between the bolt in the male sleeve and the nut in the female sleeve. The rotational displacement of the nut on the bolt is adjusted by setting an adjusting tooth on one of the bolt and the nut. An adjusting hole corresponding to the adjusting tooth is set on one of the male sleeve and the female sleeve, allowing the adjusting device to pass through the adjusting hole and rotate the adjusting tooth, thereby adjusting the rotational displacement of the nut on the bolt. The engagement position of the nut and the bolt is adjusted to the specified position. When the above-mentioned precast component connecting device is used to connect precast building components, the connecting surfaces of the precast components can be completely fitted to form a stable connection relationship. The adjustment only requires inserting the adjusting device into the adjusting tooth for rotational adjustment, making the adjustment process simple and easy to assemble.

[0011] Preferably, one of the bolt and the nut is provided with an adjusting tooth, and the other of the bolt and the nut is provided with an anti-rotation limiting part, which is used to limit the nut and the bolt to rotate synchronously when the adjusting tooth is adjusted.

[0012] Preferably, the male connector further includes a first connector, the first connector and the male sleeve being provided with a detachable fixed connection, and the first connector being sleeved with the bolt to restrict the head of the bolt within the receiving cavity.

[0013] Preferably, the female connector assembly further includes a second connector, which is detachably and fixedly connected to the opening of the mounting cavity of the female connector sleeve to confine the nut within the mounting cavity.

[0014] Preferably, the bolt head is provided with an adjusting tooth, the outer side of the nut is provided with an anti-rotation limiting part, the anti-rotation limiting part is provided with a limiting protrusion or a limiting groove, and the inner side wall of the mounting cavity of the female sleeve is provided with a corresponding limiting groove or limiting protrusion that is fitted and connected with the limiting protrusion or limiting groove.

[0015] Preferably, the nut is provided with adjusting teeth, the bolt is provided with an anti-rotation limiting part, the circumferential surface of the anti-rotation limiting part is provided with a limiting protrusion or a limiting groove, and the inner surface of at least one of the male sleeve, the first connector or the second connector is provided with a limiting groove or a limiting protrusion that is fitted and connected with the limiting protrusion or the limiting groove.

[0016] Preferably, at least one of the receiving cavity of the male sleeve and the mounting cavity of the female sleeve is provided with an elastic element, the elastic element being used to apply a relative axial thrust to the bolt and / or the nut.

[0017] Preferably, the detachable fixed connection is a threaded connection.

[0018] Secondly, to achieve the aforementioned objectives, this application also proposes a building structure, including a first prefabricated component and a second prefabricated component. The first prefabricated component and the second prefabricated component are connected by a prefabricated component connecting device as described in any of the above technical solutions. The first prefabricated component contains the male connector, and the second prefabricated component contains the female connector. One of the first and second prefabricated components has an adjusting through hole corresponding to and communicating with the adjusting hole. The reasoning process for the beneficial effects of the building structure provided in this application and the aforementioned prefabricated component connecting device is similar and will not be repeated here.

[0019] Thirdly, to achieve the aforementioned objectives, this application also proposes an adjustment device for adjusting the prefabricated component connection device as described in any of the above technical solutions. The device includes a handle and an adjustment rod fixedly connected, with a drive tooth at the end of the adjustment rod engaging with the adjustment tooth. The reasoning process for the beneficial effects of the adjustment device provided in this application are similar to that of the aforementioned prefabricated component connection device, and will not be repeated here.

[0020] These features and advantages of the present invention will be disclosed in detail in the following specific embodiments and accompanying drawings. The preferred embodiments or means of the present invention will be shown in detail in conjunction with the accompanying drawings, but are not intended to limit the technical solutions of the present invention. In addition, each of these features, elements and components appearing in the following text and drawings is a plurality of, and different symbols or numbers are used for convenience of representation, but all represent parts with the same or similar construction or function. Attached Figure Description

[0021] The present invention will be further described below with reference to the accompanying drawings:

[0022] Figure 1 is a cross-sectional view of the connection state of a prefabricated component connection device according to this embodiment;

[0023] Figure 2 is a cross-sectional view of the connection state of another prefabricated component connection device in this embodiment;

[0024] Figure 3 is a cross-sectional view of the connection state of another prefabricated component connection device in this embodiment;

[0025] Figure 4 is a three-dimensional structural diagram of a male sleeve according to this embodiment;

[0026] Figure 5 is a three-dimensional structural schematic diagram of a female sleeve according to this embodiment;

[0027] Figure 6 is a three-dimensional structural diagram of a bolt in this embodiment (the limiting protrusion and the limiting groove of the second connecting member are engaged);

[0028] Figure 7 is a three-dimensional structural diagram of a second connector (with a limiting groove) according to this embodiment;

[0029] Figure 8 is a schematic diagram of another type of bolt in this embodiment (the limiting protrusion and the limiting groove of the first connecting member are engaged);

[0030] Figure 9 is a structural schematic diagram of a first connector (with a limiting groove) according to this embodiment;

[0031] Figure 10 is a structural schematic diagram of another type of bolt in this embodiment (with adjusting teeth);

[0032] Figure 11 is a structural schematic diagram of another first connector in this embodiment;

[0033] Figure 12 is a structural schematic diagram of a nut in this embodiment (wedge-shaped anti-rotation limiting part);

[0034] Figure 13 is a schematic diagram of another type of nut in this embodiment (with adjusting teeth);

[0035] Figure 14 is a structural schematic diagram of another type of nut in this embodiment (with limiting protrusion);

[0036] Figure 15 is a schematic diagram of another female sleeve structure in this embodiment (with limiting groove);

[0037] Figure 16 is a cross-sectional schematic diagram of the building structure in this embodiment;

[0038] Figure 17 is a cross-sectional schematic diagram of another building structure in this embodiment;

[0039] Figure 18 is a schematic diagram of the adjustment device in this embodiment;

[0040] Figure 19 is a schematic diagram of an adjustment state of the adjustment device in this embodiment;

[0041] Figure 20 is a schematic diagram of another adjustment state of the adjustment device in this embodiment;

[0042] Figure 21 is an enlarged view of point A in Figure 19.

[0043] Among them, 100 is the male connector; 110 is the male sleeve; 111 is the receiving cavity; 120 is the bolt; 121 is the head; 122 is the connecting rod; 130 is the first connecting piece; 200 is the female connector; 210 is the female sleeve; 211 is the mounting cavity; 220 is the nut; 230 is the second connecting piece; 300 is the adjusting tooth; 310 is the adjusting hole; 320 is the anti-rotation limiting part; 321 is the limiting protrusion; 322 is the limiting groove; 400 is the elastic element; 500 is the first prefabricated component; 600 is the second prefabricated component; 700 is the adjusting through hole; 810 is the handle; 820 is the adjusting rod; and 830 is the driving tooth. Detailed Implementation

[0044] Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described are intended to explain the present invention and should not be construed as limiting the invention.

[0045] The terms "an embodiment," "example," or "example" used in this specification refer to a particular feature, structure, or characteristic described in connection with the embodiment itself that may be included in at least one embodiment disclosed in this patent. The phrase "in some embodiments" appearing in various places in the specification does not necessarily refer to the same embodiment.

[0046] In the description of this application, it should be understood that the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances. Furthermore, in the description of this application, unless otherwise stated, "multiple" refers to two or more. "And / or" describes the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A existing alone, A and B existing simultaneously, or B existing alone. The character " / " generally indicates that the preceding and following related objects are in an "or" relationship.

[0047] As shown in Figures 1 to 3, this embodiment proposes a prefabricated component connection device, including a male connector 100 and a female connector 200. The male connector 100 includes a male sleeve 110 and a bolt 120. The male sleeve 110 has a receiving cavity 111 formed inside. The bolt 120 includes a head 121 and a connecting rod 122. The head 121 is located inside the receiving cavity 111, and the connecting rod 122 extends out of the receiving cavity 111. The female connector 200 includes a female sleeve 210 and a nut 220. The female sleeve 210 has a mounting cavity 211 formed inside, and the nut 220 is located inside the mounting cavity 211. When the male connector 100 and the female connector 200 are assembled and connected, the connecting rod 122 of the bolt 120 is inserted into the mounting cavity 211 of the female sleeve 210 and threadedly connected to the nut 220; one of the bolt 120 and the nut 220 is provided with an adjusting tooth 300, which is used to adjust the rotational displacement of the nut 220 on the bolt 120; one of the male sleeve 110 and the female sleeve 210 is provided with an adjusting hole 310 corresponding to the adjusting tooth 300, so that the adjusting device can pass through the adjusting hole 310 to adjust the adjusting tooth 300.

[0048] In this technical solution, a fixed connection is achieved by setting a threaded connection between the bolt 120 in the male sleeve 110 and the nut 220 in the female sleeve 210. An adjusting tooth 300 is set on one of the bolt 120 and the nut 220 to adjust the rotational displacement of the nut 220 on the bolt 120. An adjusting hole 310 corresponding to the adjusting tooth 300 is set on one of the male sleeve 110 and the female sleeve 210, so that the adjusting device can pass through the adjusting hole 310 and rotate to move the adjusting tooth 300, thereby adjusting the rotational displacement of the nut 220 on the bolt 120 and adjusting the meshing position of the nut 220 and the bolt 120 to the specified position. When the above-mentioned precast component connecting device is used to connect precast building components, the connecting surfaces of the precast components can be completely fitted to form a stable connection relationship. It is only necessary to insert the adjusting device into the adjusting tooth 300 for rotational adjustment. The adjustment process is simple and easy to assemble.

[0049] Specifically, as shown in Figures 1 to 3, one of the bolt 120 and the nut 220 is provided with an adjusting tooth 300, and the other of the bolt 120 and the nut 220 is provided with an anti-rotation limiting part 320. The anti-rotation limiting part 320 is used to restrict the nut 220 and the bolt 120 from rotating synchronously when the adjusting tooth 300 is adjusted. By adjusting the adjusting tooth 300, one of the bolt 120 or the nut 220 can be rotated, and by providing the anti-rotation limiting part 320 on the other, the other is prevented from rotating when one rotates. That is, by providing the adjusting tooth 300 and the anti-rotation limiting part 320, the bolt 120 and the nut 220 can rotate relative to each other when the adjusting tooth 300 is adjusted, thereby tightening the nut 220 on the bolt 120, and thus forming a stable connection between the male connector 100 and the female connector 200.

[0050] In some embodiments, as shown in Figures 1, 3, 4, and 10, the head 121 of the bolt 120 is provided with an adjusting tooth 300, and the side wall of the male sleeve 110 is provided with an adjusting hole 310 corresponding to the adjusting tooth 300. As shown in Figures 14 and 15, the nut 220 is provided with an anti-rotation limiting part 320, which is configured as a limiting protrusion 321 or a limiting groove 322. The inner side wall of the female sleeve 210 is provided with a corresponding limiting protrusion 321 or a limiting groove 322. The limiting groove 322 and the limiting protrusion 321 are fitted together to form a fitting connection. When the nut 220 and the female sleeve 210 are in a fitted connection state, the nut 220 and the female sleeve 210 cannot rotate relative to each other. When the adjusting device adjusts the adjusting tooth 300, the bolt 120 rotates relative to the male sleeve 110 and the nut 220, and the nut 220 rotates and moves in the axial direction relative to the bolt 120, so as to tighten or loosen the nut 220 relative to the bolt 120.

[0051] In some embodiments, as shown in Figures 2, 5, and 13, the nut 220 is provided with an adjusting tooth 300, and the side wall of the female sleeve 210 is provided with an adjusting hole 310 corresponding to the adjusting tooth 300. As shown in Figures 6 to 9, the bolt 120 is provided with an anti-rotation limiting part 320, which is configured as a limiting protrusion 321 or a limiting groove 322.

[0052] Specifically, as shown in Figures 6 and 7, the bolt 120 is provided with an anti-rotation limiting part 320, and the anti-rotation limiting part 320 is provided with a limiting protrusion 321. The second connecting member 230 is provided with a limiting groove 322 that cooperates with the limiting protrusion 321 of the anti-rotation limiting part 320, so that the bolt 120 and the second connecting member 230 form an interlocking connection, preventing the bolt 120 from rotating relative to the male sleeve 110 and the female sleeve 210. When the adjusting device adjusts the adjusting teeth 300, the nut 220 rotates relative to the bolt 120 (male sleeve 110 and female sleeve 210). By rotating and moving the nut 220 relative to the bolt 120 in the axial direction, the nut 220 can be tightened or loosened relative to the bolt 120.

[0053] In some embodiments, as shown in Figures 8 and 9, the bolt 120 is provided with an anti-rotation limiting part 320 that cooperates with the first connecting member 130. The anti-rotation limiting part 320 is provided with a limiting protrusion 321, and the first connecting member 130 is provided with a limiting groove 322 that cooperates with the limiting protrusion, so that the bolt 120 and the first connecting member 130 form an interlocking connection, preventing the bolt 120 from rotating relative to the male sleeve 110 and the female sleeve 210. When the adjusting device adjusts the adjusting tooth 300, the nut 220 is tightened or loosened relative to the bolt 120.

[0054] In some embodiments, as shown in Figures 3 and 12, the nut 220 is generally wedge-shaped with its outer surface being an inclined surface. The inner surface of the second connector 230 is sleeved on the outer surface of the nut 220, and a conical cavity is formed in the second connector 230 to mate with the nut 220. When the nut 220 is tightened on the bolt 120, the wedge-shaped inclined surface of the nut 220 is fitted into the conical cavity of the second connector 230. The friction between the outer surface of the nut 220 and the inner surface of the second connector 230 prevents rotation between the nut 220 and the second connector 230. The nut 220 is also provided with an anti-rotation limiting part 320, which is a through groove arranged along the axial direction of the nut 220. The through groove gradually narrows during the tightening of the nut 220, so that the diameter of the nut 220 gradually decreases. When an axial force is applied, the nut 220 and the second connector 230 are gradually pressed together, and the friction gradually increases, preventing rotation.

[0055] In some embodiments, as shown in Figures 14 and 15, an anti-rotation limiting part 320 is provided on the outer side of the nut 220, and a limiting protrusion 321 is provided on the anti-rotation limiting part 320. A limiting groove 322 that cooperates with the limiting protrusion 321 is provided in the mounting cavity of the female sleeve 210, so that the nut 220 and the female sleeve 210 form an interlocking connection to prevent the nut 220 from rotating relative to the female sleeve 210.

[0056] It should be noted that in other embodiments, the head of the bolt 120 is provided with an anti-rotation limiting part 320 (not shown in the figure), and the anti-rotation limiting part 320 is provided with a limiting protrusion 321 or a limiting groove 322; the male sleeve 110 is provided with a limiting groove 322 or a limiting protrusion 321 that cooperates with the limiting protrusion 321 or the limiting groove 322 of the head 121 of the bolt 120. Its anti-rotation limiting method is the same as or similar to that of the above embodiments, and will not be described again here. In addition, the specific structure of the anti-rotation limiting part 320 in the figure of this embodiment is not intended to limit this embodiment. All limiting structures that can achieve relative anti-rotation are included in the technical solution of the embodiment, and will not be listed one by one in this embodiment.

[0057] In some embodiments, as shown in FIG10, the adjusting tooth 300 includes a tooth portion and a tooth groove. The protruding teeth and tooth grooves are evenly staggered along the circumferential direction of the bolt 120. The head 121 of the bolt 120 is provided with adjusting teeth 300 evenly arranged along the circumferential direction. The adjusting tooth 300 includes staggered protruding teeth and tooth grooves.

[0058] In some embodiments, as shown in FIG13, the bottom end face of the nut 220 is provided with adjusting teeth 300 evenly arranged in the circumferential direction, and the adjusting teeth 300 include staggered protrusions and grooves.

[0059] In some embodiments, as shown in Figures 1, 2, and 11, the male connector assembly 100 further includes a first connector 130. The first connector 130 and the male sleeve 110 are provided with a detachable fixed connection, and the first connector 130 is sleeved with the bolt 120 to restrict the head 121 of the bolt 120 within the receiving cavity 111. In this embodiment, the first connector 130 and the male sleeve 110 are provided with a threaded connection. In other embodiments, the first connector 130 and the male sleeve 110 may also be provided with a non-rotatable snap-fit ​​connection.

[0060] In some embodiments, as shown in Figures 1, 2, and 7, the female connector assembly 200 further includes a second connector 230, which is detachably and fixedly connected to the opening of the mounting cavity 211 of the female connector sleeve 210 to confine the nut 220 within the mounting cavity 211. In this embodiment, the second connector 230 and the female connector sleeve 210 are threaded together. In other embodiments, the second connector 230 and the female connector sleeve 210 may also be connected by a snap-fit ​​connection that prevents relative rotation.

[0061] In some embodiments, at least one of the receiving cavity 111 of the male sleeve 110 and the mounting cavity 211 of the female sleeve 210 is provided with an elastic element 400. The elastic element 400 is used to apply an axial thrust to the bolt 120 and / or the nut 220, causing the bolt 120 and the nut 220 to act relative to each other. In this embodiment, as shown in Figures 1-3, the elastic element 400 is set as a compression spring. The compression spring applies an axial thrust to the bolt 120 and the nut 220 respectively. By setting the elastic element 400 to clamp the bolt 120 and the nut 220 at both ends in the male sleeve 110 and the female sleeve 210, it is convenient for the adjusting teeth 300 on the bolt 120 or the nut 220 to align with the adjusting hole 310, and it is convenient for the bolt 120 and the nut 220 to be tightened together.

[0062] In this embodiment, the adjustment hole 310 is a round hole, an elliptical hole, or a U-shaped hole. When the adjustment hole 310 is an elliptical hole or a U-shaped hole, the elliptical hole or U-shaped hole is arranged along the axial direction of the long axis of the male sleeve 110 or the female sleeve 210, so as to facilitate the adjustment device to be inserted into the adjustment hole 310 and mesh with the adjustment tooth 300.

[0063] In this embodiment, several adjustment holes 310 are provided, that is, the adjustment hole 310 can be one or more. In the figure, the adjustment holes 310 are two symmetrically arranged.

[0064] As shown in Figures 16 and 17, this embodiment also proposes a building structure, including a first prefabricated component 500 and a second prefabricated component 600. The first prefabricated component 500 and the second prefabricated component 600 are assembled and connected by a prefabricated component connecting device as described in any of the above embodiments. The first prefabricated component 500 is provided with the male connector 100, and the second prefabricated component 600 is provided with the female connector 200. One of the first prefabricated component 500 and the second prefabricated component 600 is provided with an adjustment through hole 700 corresponding to and communicating with the adjustment hole 310.

[0065] In some embodiments, as shown in FIG16, a male connector 100 is provided in the first prefabricated component 500, an adjusting tooth 300 is provided on the bolt 120, an adjusting hole 310 corresponding to the adjusting tooth 300 is provided on the male connector sleeve 110, and an adjusting through hole 700 corresponding to the adjusting tooth 300 and the adjusting hole 310 is provided on the first prefabricated component 500. During installation, the driving tooth of the adjusting device is inserted into the adjusting through hole 700 and engages with the adjusting tooth 300. By rotating the adjusting device, the bolt 120 and the nut 220 are tightened relative to each other, thereby making the connecting surfaces of the first prefabricated component 500 and the second prefabricated component 600 fit together and forming a stable fixed connection between the first prefabricated component 500 and the second prefabricated component 600.

[0066] In some embodiments, as shown in FIG17, a female connector assembly 200 is provided in the second prefabricated component 600. An adjusting tooth 300 is provided on the nut 220, and an adjusting hole 310 corresponding to the adjusting tooth 300 is provided on the female connector sleeve 210. An adjusting through hole 700 corresponding to the adjusting tooth 300 and the adjusting hole 310 is provided on the second prefabricated component 600. During installation, the driving tooth of the adjusting device is inserted into the adjusting through hole 700 and engages with the adjusting tooth 300. By rotating the adjusting device, the bolt 120 and the nut 220 are tightened relative to each other, thereby making the connecting surfaces of the first prefabricated component 500 and the second prefabricated component 600 fit together and forming a stable fixed connection between the first prefabricated component 500 and the second prefabricated component 600. The installation and adjustment process is simple. After installation, an elastic plug, such as a rubber plug or a wooden plug, can be used to tighten the adjustment hole 310. Then, an injection needle is inserted into the elastic plug to inject hardenable liquid sealing materials such as water glass or cement slurry into the elastic plug. After the hardenable liquid sealing material hardens, the connection device is sealed, protected from corrosion, and the threads are prevented from loosening.

[0067] As shown in Figures 18-21, this embodiment also proposes an adjustment device for adjusting the prefabricated component connection device as described in any of the above embodiments. The device includes a handle 810 and an adjustment rod 820 that are fixedly connected. The end of the adjustment rod 820 is provided with a drive tooth 830, which meshes with the adjustment tooth 820.

[0068] In some embodiments, as shown in Figures 19 and 21, the nut 220 is provided with an adjusting tooth 300. The driving tooth 830 of the adjusting device meshes with the adjusting tooth 300 on the nut 220. By rotating the adjusting device, the nut 220 is rotated and moved on the bolt 120, thereby tightening or loosening the nut 220 and the bolt 120 relative to each other.

[0069] In some embodiments, as shown in FIG20, the bolt 120 is provided with an adjusting tooth 300. The driving tooth 830 of the adjusting device engages with the adjusting tooth 300 on the top of the bolt 120. By rotating the adjusting device, the nut 220 is rotated and moved on the bolt 120, thereby tightening or loosening the nut 220 and the bolt 120 relative to each other.

[0070] In summary, this embodiment achieves a fixed connection by setting a threaded connection between the bolt 120 in the male sleeve 110 and the nut 220 in the female sleeve 210. An adjusting tooth 300 is provided on one of the bolt 120 and the nut 220 to adjust the rotational displacement of the nut 220 on the bolt 120. An adjusting hole 310 corresponding to the adjusting tooth 300 is provided on one of the male sleeve 110 and the female sleeve 210, allowing the adjusting device to pass through the adjusting hole 310 and rotate the adjusting tooth 300, thereby adjusting the rotational displacement of the nut 220 on the bolt 120 and adjusting the engagement position of the nut 220 and the bolt 120 to the specified position. When the above-mentioned precast component connecting device is used for the fixed connection of precast building components, the connecting surfaces of the precast components can be completely fitted together, forming a stable connection relationship. Only the adjusting device needs to be inserted into the adjusting tooth 300 for rotational adjustment; the adjustment process is simple and easy to assemble.

[0071] The foregoing has described specific embodiments of this application. Other embodiments are within the scope of the appended claims. In some cases, the actions or steps recited in the claims may be performed in a different order than that shown in the embodiments and may still achieve the desired results. Furthermore, the processes depicted in the drawings do not necessarily require the specific or sequential order shown to achieve the desired results. In some embodiments, multitasking and parallel processing are also possible or may be advantageous.

Claims

1. A prefabricated component connection device, comprising a male connector (100) and a female connector (200), characterized in that, The male connector assembly (100) includes a male sleeve (110) and a bolt (120). The male sleeve (110) has a receiving cavity (111). The bolt (120) includes a head (121) and a connecting rod (122). The head (121) is located in the receiving cavity (111), and the connecting rod (122) extends out of the receiving cavity (111). The female connector assembly (200) includes a female connector sleeve (210) and a nut (220), wherein a mounting cavity (211) is formed inside the female connector sleeve (210), and the nut (220) is located inside the mounting cavity (211); When the male connector (100) and the female connector (200) are assembled and connected, the connecting rod (122) of the bolt (120) is inserted into the mounting cavity (211) of the female sleeve (210) and threadedly connected to the nut (220); One of the bolt (120) and the nut (220) is provided with an adjusting tooth (300), which is used to adjust the rotational displacement of the nut (220) on the bolt (120). One of the male sleeve (110) and the female sleeve (210) is provided with an adjusting hole (310) corresponding to the adjusting tooth (300), so that the adjusting device can pass through the adjusting hole (310) to adjust the adjusting tooth (300).

2. The precast component connection device according to claim 1, characterized in that, One of the bolt (120) and the nut (220) is provided with an adjusting tooth (300), and the other of the bolt (120) and the nut (220) is provided with an anti-rotation limiting part (320). The anti-rotation limiting part (320) is used to limit the nut (220) and the bolt (120) from rotating synchronously when the adjusting tooth (300) is adjusted.

3. The precast component connection device according to claim 2, characterized in that, The male connector assembly (100) further includes a first connector (130), which is detachably fixedly connected to the male sleeve (110), and the first connector (130) is sleeved with the bolt (120) to restrict the head (121) of the bolt (120) within the receiving cavity (111).

4. The precast component connection device according to claim 2, characterized in that, The female connector assembly (200) further includes a second connector that is detachably fixed to the opening of the mounting cavity (211) of the female connector sleeve (210) to confine the nut (220) within the mounting cavity (211).

5. The precast component connection device according to claim 2, characterized in that, The bolt (120) head (121) is provided with an adjusting tooth (300), and the outer side of the nut (220) is provided with an anti-rotation limiting part (320). The anti-rotation limiting part (320) is provided with a limiting protrusion (321) or a limiting groove (322). The inner side wall of the mounting cavity (211) of the female sleeve (210) is provided with a corresponding limiting groove (322) or limiting protrusion (321) that is fitted and connected with the limiting protrusion (321) or limiting groove (322).

6. The precast component connection device according to any one of claims 2 to 4, characterized in that, The nut (220) is provided with an adjusting tooth (300), and the bolt (120) is provided with an anti-rotation limiting part (320). The circumferential surface of the anti-rotation limiting part (320) is provided with a limiting protrusion (321) or a limiting groove (322). The inner surface of at least one of the male sleeve (110), the first connector (130) or the second connector is provided with a limiting groove (322) or a limiting protrusion (321) that is fitted into the limiting protrusion (321) or the limiting groove (322).

7. The precast component connection device according to any one of claims 1 to 5, characterized in that, At least one of the receiving cavity (111) of the male sleeve (110) and the mounting cavity (211) of the female sleeve (210) is provided with an elastic element (400) for applying a relative axial thrust to the bolt (120) and / or the nut (220).

8. The precast component connection device according to claim 3 or 4, characterized in that, The detachable fixed connection is a threaded connection.

9. A building structure comprising a first precast component (500) and a second precast component (600), characterized in that, The first prefabricated component (500) and the second prefabricated component (600) are connected by a prefabricated component connecting device as described in any one of claims 1 to 8. The first prefabricated component (500) is provided with the male connector (100), and the second prefabricated component (600) is provided with the female connector (200). One of the first prefabricated component (500) and the second prefabricated component (600) is provided with an adjustment through hole (700) corresponding to the adjustment hole (310).

10. An adjusting device, characterized in that, The adjusting device is used to adjust the prefabricated component connecting device as described in any one of claims 1 to 8, and includes a handle (810) and an adjusting rod (820) fixedly connected, wherein the end of the adjusting rod (820) is provided with a driving tooth, and the driving tooth meshes with the adjusting tooth (300).

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