Displacement control straight type self-undercut anti-seismic anchor bolt

Abstract

The utility model provides a displacement control straight type self-undercut anti-seismic anchor bolt, and relates to the field of anchor bolts. The displacement control straight self-undercut anti-seismic anchor bolt comprises a bolt body, a nut and a gasket for preventing a fixing part from being pressed and deformed, a retention mechanism used for enhancing the anti-seismic performance of the anchor bolt is arranged on the side face of the bolt body and comprises a retention column and a retention hole, the retention column is arranged on the side face of the bolt body, and the nut is arranged in the retention hole. The retention hole is formed in one side of the bottom of the nut, the inner wall of the retention hole is slidably connected with the surface of the retention column, the nut is in threaded connection with the surface of the bolt, and the gasket is slidably connected with the surface of the bolt. According to the displacement control straight type self-undercut anti-seismic anchor bolt, the retention mechanism is arranged, a retention column at the top of the top plate penetrates through a retention opening to be attached to the inner wall of a retention hole, when vibration is conducted to a nut on the surface of the bolt, the position of the nut is firmly fixed through the retention column, and the situation that the nut moves due to vibration is reduced; the stability of fixing an object by using the anchor bolt is enhanced, and the anti-seismic property of the anchor bolt is improved.

Description

Technical Field

[0001] The present application relates to the technical field of anchor bolts, and in particular to a displacement-controlled straight-advance self-cutting bottom earthquake-resistant anchor bolt. Background Art

[0002] Anchor bolts are a general term for all post-anchoring components, covering a wide range. According to different raw materials, they are divided into metal anchor bolts and non-metal anchor bolts. According to different anchoring mechanisms, they are divided into expansion anchor bolts, expansion anchor bolts, bonding anchor bolts, concrete screws, nails, concrete nails, etc.

[0003] Patent No. CN109973484A discloses a new type of self-cutting anchor bolt. The new type of self-cutting anchor bolt has a triangular protruding self-locking key on the outside of the self-cutting blade. When the self-cutting blade cuts a hole in the concrete, as the torque increases, the self-locking key will firmly clamp the conical groove, which is stable and reliable; the middle of the expansion piece is provided with an expansion hole and an expansion force convex point, and the expansion hole and the expansion force convex point are staggered along the circumference to reduce the stress of the expansion piece during rotation cutting. However, when the use environment of the anchor bolt produces vibration, the nut is prone to rotate under the influence of the vibration, which causes the fixing part to loosen, and the stability of the anchor bolt when fixed is weak. Utility Model Content

[0004] 1. Technical issues to be solved

[0005] In view of the deficiencies in the prior art, the present application provides a displacement-controlled straight-advance self-cutting bottom earthquake-resistant anchor bolt, which solves the problems mentioned in the above background technology.

[0006] (II) Technical solution

[0007] To achieve the above objectives, the present application is implemented through the following technical solutions: a displacement-controlled straight-advance self-cutting bottom seismic anchor bolt, comprising a bolt, a nut and a gasket to prevent the fixing part from being pressed and deformed, the side of the bolt is provided with a retaining mechanism for enhancing the seismic resistance of the anchor bolt, the retaining mechanism comprises a retaining column and a retaining hole, the retaining column is provided on the side of the bolt, the retaining hole is opened on the bottom side of the nut, the inner wall of the retaining hole is slidably connected to the surface of the retaining column, the nut is threadedly connected to the surface of the bolt, and the gasket is slidably connected to the surface of the bolt.

[0008] By adopting the above technical solution, the nut can be fixed by utilizing the sliding connection between the retaining column and the retaining hole opened at the bottom of the nut, thereby preventing the nut from rotating when vibration is transmitted to the nut.

[0009] Preferably, the retaining mechanism further comprises a top plate and a retaining opening, the top of the top plate is fixedly connected to the bottom of the retaining column, and the retaining opening is opened on one side of the inner wall of the gasket.

[0010] By adopting the above technical solution, the top plate can be used to connect the retaining column with the expansion tube, and the retaining opening can be used to provide a movable space for the connection between the fixing column and the retaining hole.

[0011] Preferably, a connecting column for providing space for changes in the expansion assembly is fixedly connected to the bottom of the bolt.

[0012] By adopting the above technical solution, the bolts and the base can be connected by using the connecting column, and the compression distance of the expansion tube is fixed at both ends of the connecting column.

[0013] Preferably, the bottom of the connecting column is fixedly connected to a base that enhances the stability of the anchor bolt and the connection.

[0014] By adopting the above technical solution, the base can be used to provide a base for the rotation of the expansion tube, so that the shape change of the expansion tube is centered on the bolt.

[0015] Preferably, a rotating mechanism for enhancing the stability of the bolt is provided at the bottom of the connecting column, and the rotating mechanism includes a rotating groove and a rotating tube, the rotating groove is opened at the top of the base, and the rotating tube is rotatably connected to the rotating groove.

[0016] By adopting the above technical solution, the movement of the rotating pipe at the rotating slot can be utilized to provide space, and the rotation of the rotating pipe can be restricted to the top of the base.

[0017] Preferably, the rotating mechanism further comprises an expansion tube, the bottom of the expansion tube is fixedly connected to the top of the rotating tube, and the top of the expansion tube is fixedly connected to the bottom of the top plate.

[0018] By adopting the above technical solution, the expansion tube can be used to enhance the stability of the bolt after it is inserted into the drilled hole.

[0019] Preferably, a cutting mechanism for cutting the inside of the borehole is fixedly connected to the surface of the expansion tube, and the cutting mechanism includes a slice and a groove, the slice is fixedly connected to the surface of the expansion tube, and the groove is opened inside the slice.

[0020] By adopting the above technical solution, the inside of the borehole can be cut by using the cutting groove with slices to provide space for the shape change of the expansion tube, and the cutting debris can be stored by the cutting groove to provide internal support force for the expansion tube with changed shape.

[0021] Preferably, the cutting mechanism further comprises grooves and anti-slip points, the grooves are evenly arranged on the surface of the expansion tube, and the anti-slip points are fixedly connected to the surface of the expansion tube.

[0022] By adopting the above technical solution, the expansion tube can be divided into equal parts by using the grooves to provide a basis for the compression of the expansion tube, and the friction between the expansion tube and the inner wall of the borehole can be enhanced by using the anti-slip points to enhance the stability of the expansion tube, thereby achieving the purpose of enhancing the stability of the nut.

[0023] (III) Beneficial effects

[0024] The present application provides a displacement-controlled straight-advance self-cutting bottom earthquake-resistant anchor bolt. It has the following beneficial effects:

[0025] 1. The displacement-controlled straight-in self-cutting bottom seismic anchor bolt has a retaining mechanism. The retaining column on the top of the top plate passes through the retaining port and fits against the inner wall of the retaining hole. When the vibration is transmitted to the nut on the surface of the bolt, the retaining column firmly fixes the position of the nut, reducing the occurrence of nut displacement caused by vibration, enhancing the stability of objects fixed by the anchor bolt, and improving the seismic performance of the anchor bolt.

[0026] 2. The displacement-controlled straight-in self-cutting bottom seismic anchor bolt is provided with a rotating mechanism. When the nut rotates, the expansion tube at the bottom of the top plate is driven to rotate, and the rotating tube is driven to rotate in the rotating groove, and the expansion tube is connected to the bolt, so as to achieve the purpose of adjusting the position of the nut and rotating the expansion tube at the same time, thereby enhancing the linkage of the anchor bolt components and reducing the difficulty of using the anchor bolt. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the implementation scheme of the utility model or the technical scheme in the prior art, the drawings required for use in the implementation scheme or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some implementation schemes of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0028] Figure 1 This is a schematic diagram of the structure of the present application from the right side and from the top;

[0029] Figure 2 This is an enlarged schematic diagram of the structure of Part A of this application;

[0030] Figure 3 This is a schematic diagram of the appearance structure of this application when viewed from the left and upward;

[0031] Figure 4 This is a schematic diagram of the bolt structure from the right side of the application;

[0032] Figure 5 This is a schematic diagram of the appearance structure of the expansion tube from the left side and top view of this application;

[0033] Figure 6 This is a schematic diagram of the appearance and structure of the gasket and nut viewed from the right and upward.

[0034] In the figure: 1. bolt; 2. connecting column; 3. base; 4. rotating mechanism; 401. rotating groove; 402. rotating tube; 403. expansion tube; 5. cutting mechanism; 501. slicing; 502. grooving; 503. dividing groove; 504. anti-slip point; 6. nut; 7. gasket; 8. retaining mechanism; 801. top plate; 802. retaining column; 803. retaining port; 804. retaining hole. DETAILED DESCRIPTION

[0035] It should be noted that in the description of the embodiments of the present application, the terms "front, rear", "left, right", "up, down", etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present application. The terms "install", "connect", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be a connection between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.

[0036] The present application is further described in detail below through drawings and examples.

[0037] Reference Figure 5 and Figure 6 The embodiment of the present application provides a displacement-controlled straight-advance self-cutting bottom seismic anchor bolt, comprising a bolt 1, a nut 6 and a gasket 7 for preventing the fixing member from being pressed and deformed. A fixing mechanism 8 for enhancing the seismic resistance of the anchor bolt is arranged on the side of the bolt 1. The fixing mechanism 8 comprises a fixing column 802 and a fixing hole 804. The fixing column 802 is arranged on the side of the bolt 1, and the fixing hole 804 is opened on the bottom side of the nut 6. The inner wall of the fixing hole 804 is slidably connected to the surface of the fixing column 802. A top plate 801 is fixedly connected to the bottom of the fixing column 802. A fixing opening 803 is opened on one side of the inner wall of the gasket 7. The nut 6 is threadedly connected to the surface of the bolt 1, and the gasket 7 is slidably connected to the surface of the bolt 1. The fixing column 802 on the top of the top plate 801 passes through the fixing opening 803 and fits with the inner wall of the fixing hole 804. The fixing column 802 firmly fixes the position of the nut 6.

[0038] Reference Figure 3 and Figure 4 In one aspect of this embodiment, a connecting column 2 is fixedly connected to the bottom of the bolt 1 for providing space for the expansion assembly to change, and a base 3 is fixedly connected to the bottom of the connecting column 2 for enhancing the stability of the anchor bolt and the connection. The base 3 at the bottom of the connecting column 2 provides a foundation for the connection between the rotating mechanism 4 and the bolt 1.

[0039] Reference Figure 4and Figure 5 In one aspect of the present embodiment, a rotating mechanism 4 for enhancing the stability of the bolt 1 is provided at the bottom of the connecting column 2, and the rotating mechanism 4 includes a rotating groove 401 and a rotating tube 402. The rotating groove 401 is opened at the top of the base 3, and the rotating tube 402 is rotatably connected to the rotating groove 401. The top of the rotating tube 402 is fixedly connected with an expansion tube 403, and the top of the expansion tube 403 is fixedly connected to the bottom of the top plate 801. When the nut 6 rotates, it drives the expansion tube 403 at the bottom of the top plate 801 to rotate and drives the rotating tube 402 to rotate in the rotating groove 401, so that the shape change of the expansion tube 403 is limited to the space above the rotating groove 401.

[0040] Reference Figure 1 , Figure 2 and Figure 3 In one aspect of the present embodiment, a cutting mechanism 5 for cutting the inside of a borehole is fixedly connected to the surface of the expansion tube 403, the cutting mechanism 5 includes a slice 501 and a groove 502, the slice 501 is fixedly connected to the surface of the expansion tube 403, the groove 502 is arranged on the inner side of the slice 501, the surface of the expansion tube 403 is evenly provided with grooves 503, the surface of the expansion tube 403 is fixedly connected with an anti-slip point 504, the expansion tube 403 with grooves 503 on the surface is compressed and rotated to drive the slice 501 to rotate to cut the borehole, and the debris generated by the cutting is retained in the groove 502 to provide support for the changed shape of the expansion tube 403, and the anti-slip point 504 fits with the inner wall of the borehole to enhance the friction between the expansion tube 403 and the borehole.

[0041] All electrical equipment in this solution are powered by an external power supply.

[0042] Working principle: When in use, place the bolt 1 into the drilled hole, and put the fixing part and gasket 7 on the surface of the bolt 1 in turn, fit the retaining hole 804 opened at the bottom of the nut 6 with the retaining column 802 on the top of the top plate 801 that passes through the retaining port 803 opened by the gasket 7, rotate the nut 6 threadedly connected to the bolt 1 to drive the expansion tube 403 connected to the rotating tube 402 in the rotating groove 401 opened on the base 3 at the bottom of the connecting column 2 to rotate, and compress the expansion tube 403 divided by the dividing groove 503, and the expansion tube 403 with the anti-slip point 504 fixedly connected on the surface rotates to drive the slice 501 with the cutting groove 502 to cut the inner wall of the drilled hole until the nut 6 fits the surface of the fixing part with the surface of the gasket 7, and the installation of the anchor bolt is completed.

[0043] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0044] Although the embodiments of the present application have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present application, and that the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A displacement-controlled straight-advance self-cutting anti-seismic anchor bolt, comprising a bolt (1), a nut (6) and a gasket (7) for preventing the fixing member from being pressed and deformed, characterized in that: The side of the bolt (1) is provided with a retaining mechanism (8) for enhancing the seismic resistance of the anchor bolt, the retaining mechanism (8) comprising a retaining column (802) and a retaining hole (804), the retaining column (802) being provided on the side of the bolt (1), the retaining hole (804) being opened on one side of the bottom of the nut (6), the inner wall of the retaining hole (804) being slidably connected to the surface of the retaining column (802), the nut (6) being threadedly connected to the surface of the bolt (1), and the gasket (7) being slidably connected to the surface of the bolt (1).

2. The displacement-controlled straight-advance self-cutting seismic anchor bolt according to claim 1, characterized in that: The retaining mechanism (8) further comprises a top plate (801) and a retaining opening (803), wherein the top of the top plate (801) is fixedly connected to the bottom of the retaining column (802), and the retaining opening (803) is opened on one side of the inner wall of the gasket (7).

3. The displacement-controlled straight-advance self-cutting seismic anchor bolt according to claim 1, characterized in that: The bottom of the bolt (1) is fixedly connected with a connecting column (2) for providing space for the expansion assembly to change.

4. The displacement-controlled straight-advance self-cutting bottom seismic anchor bolt according to claim 3 is characterized by: The bottom of the connection column (2) is fixedly connected to a base (3) for enhancing the stability of the anchor bolt and the connection.

5. The displacement-controlled straight-advance self-cutting bottom seismic anchor bolt according to claim 4, characterized in that: A rotating mechanism (4) for enhancing the stability of the bolt (1) is arranged at the bottom of the connecting column (2); the rotating mechanism (4) comprises a rotating groove (401) and a rotating tube (402); the rotating groove (401) is opened on the top of the base (3); and the rotating tube (402) is rotatably connected to the rotating groove (401).

6. The displacement-controlled straight-advance self-cutting bottom seismic anchor bolt according to claim 5, characterized in that: The rotating mechanism (4) further comprises an expansion tube (403), the bottom of the expansion tube (403) being fixedly connected to the top of the rotating tube (402), and the top of the expansion tube (403) being fixedly connected to the bottom of the top plate (801).

7. The displacement-controlled straight-advance self-cutting anti-seismic anchor bolt according to claim 6, characterized in that: A cutting mechanism (5) for cutting inside a borehole is fixedly connected to the surface of the expansion tube (403), wherein the cutting mechanism (5) comprises a slice (501) and a cutting groove (502), wherein the slice (501) is fixedly connected to the surface of the expansion tube (403), and the cutting groove (502) is provided inside the slice (501).

8. The displacement-controlled straight-advance self-cutting anti-seismic anchor bolt according to claim 7, characterized in that: The cutting mechanism (5) further comprises a divided groove (503) and an anti-slip point (504); the divided groove (503) is evenly arranged on the surface of the expansion tube (403); and the anti-slip point (504) is fixedly connected to the surface of the expansion tube (403).

Images