High-strength anti-loosening hexagon bolt

Abstract

The high-strength anti-loosening hexagon bolt comprises a screw head and a screw rod, an installation cavity is formed in the screw rod, guide holes are formed in the two sides of the screw rod, limiting columns are arranged in the guide holes, a guide sliding rod is fixedly installed in the installation cavity, a sliding circular truncated cone is connected in the installation cavity in a sliding mode, and the sliding circular truncated cone is connected with the screw head in a sliding mode. A jacking column is installed at the top of the sliding circular truncated cone, the center of the sliding circular truncated cone and the center of the jacking column communicate with a through hole, the sliding circular truncated cone and the jacking column are slidably connected with a guide sliding rod through the through hole, the guide sliding rod is sleeved with a telescopic spring, and a magnet circular ring is installed on the outer ring of the sliding circular truncated cone; and the inner sides of the limiting columns are magnetically connected with the magnet rings. The bolt has the advantages that the limiting column plays a role in fastening, the bolt is prevented from rotating and loosening, installation and operation are convenient, installation efficiency is improved, knocking is not needed, bolt loosening caused by vibration generated during knocking is avoided, and connection stability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of bolts, in particular to a high-strength anti-loosening hexagonal bolt. Background Art

[0002] Bolts are commonly used fasteners, which are widely used in many fields due to their advantages such as self-locking, simple manufacturing, mass production, low cost, and interchangeability. Hexagonal bolts refer to fasteners composed of a head and a screw. Bolts are divided into iron bolts and stainless steel bolts according to their materials.

[0003] The utility model with application number CN202322120422.X discloses a high-strength anti-loosening hexagonal bolt. The bolt is screwed into the object by a screwdriver, and then the limiting piece is placed in the annular groove, and the first limiting column is knocked into the first limiting hole and inserted into the object, which plays a role of preliminary tightening; by placing the top column into the installation hole, the bottom of the top column is placed in the limiting channel, and then the top column of the inverted cone structure is also knocked into the limiting channel. Due to the deformation of the elastic column, the second limiting column extends out of the through hole and is fixed to the object inside. Through the two tightening actions, the bolt can be prevented from loosening.

[0004] The above device tightens the bolts through the first limit column, the top column, the elastic column, and the second limit column. The installation operation is complicated and time-consuming, which reduces the installation efficiency. Knocking is required during installation, and the vibration generated during knocking can easily cause the bolts to loosen, reducing the stability of the connection.

[0005] It should be noted that the above contents belong to the technical knowledge of the inventor and do not necessarily constitute prior art. Utility Model Content

[0006] The utility model aims to solve the above problems and designs a high-strength anti-loosening hexagonal bolt.

[0007] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0008] A high-strength anti-loosening hexagonal bolt comprises a screw head and a screw rod, wherein an installation cavity is arranged in the screw rod, guide holes are arranged on both sides of the screw rod, the guide holes are connected with the installation cavity, a limiting column is arranged in the guide hole, a guide slide rod is fixedly installed in the installation cavity, a sliding round table is slidably connected in the installation cavity, a tightening column is installed on the top of the sliding round table, a through hole is connected at the center of the sliding round table and the tightening column, the sliding round table and the tightening column are slidably connected with the guide slide rod through the through hole, a telescopic spring is mounted on the guide slide rod, a magnet ring is installed on the outer ring of the sliding round table, and the inner side of the limiting column is magnetically connected to the magnet ring.

[0009] Furthermore, a mounting circular groove is provided at the center of the top of the screw head, a threaded through hole is provided at the center of the mounting circular groove, the threaded through hole is connected to the mounting cavity, a hexagon socket bolt is provided on the threaded through hole, and the bottom of the screw rod of the hexagon socket bolt contacts the surface of the tightening column.

[0010] Furthermore, the bottom end of the telescopic spring contacts the bottom surface of the installation cavity, and the top end of the telescopic spring contacts the bottom end of the sliding table.

[0011] Furthermore, the diameter of the limiting column is the same as the diameter of the guide hole, the outer side of the limiting column is a pointed end, and the inner side of the limiting column is a plane.

[0012] Furthermore, the size of the head of the hexagon socket bolt matches the size of the mounting circular groove, and the inner diameter of the threaded through hole is the same as the inner diameter of the mounting cavity.

[0013] The limit column is fixed by magnetic connection to prevent the limit column from being thrown out of the guide hole when the screw is rotated. The sliding table and the tightening column are supported by the telescopic spring to prevent the sliding table and the tightening column from sliding down and the limit column from being pushed out of the guide hole, thereby preventing the installation operation of the bolt from being affected.

[0014] The sliding table and the tightening column are moved downward by rotating the hexagonal bolt, the limiting column and the magnet ring are disconnected from the magnetic connection, the sliding table descends to push the limiting column out of the guide hole, the tightening column holds the limiting column, the limiting column contacts the inside of the object, and the limiting column plays a tightening role, avoiding the rotation of the bolt and preventing the bolt from loosening. The installation operation is convenient, the installation efficiency is improved, and there is no need to knock, avoiding the vibration caused by knocking to cause the bolt to loosen, and the stability of the connection is improved;

[0015] The outer side of the limit column is a pointed end, and the outer side of the limit column contacts the inside of the object, so that the limit column can be inserted into the object to prevent the limit column from loosening and improve stability. After the hexagonal bolt is fully screwed in, the head of the hexagonal bolt is completely consistent with the installation circular groove, avoiding the hexagonal bolt from protruding from the bolt, thereby improving the aesthetics. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The utility model is a schematic structural diagram of a high-strength anti-loosening hexagonal bolt.

[0017] Figure 2 This is an installation status diagram of the utility model.

[0018] Figure 3 It is an enlarged cross-sectional view of the sliding table and the tightening column.

[0019] Figure 4 This is an enlarged top view of the screw head.

[0020] In the figure: 1. screw head; 2. screw rod; 3. mounting cavity; 4. guide hole; 5. limit column; 6. guide slide rod; 7. sliding table; 8. tightening column; 9. through hole; 10. telescopic spring; 11. magnet ring; 12. mounting circular groove; 13. threaded through hole; 14. hexagon socket bolt. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, in the description of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0023] The utility model provides Figure 1-4 A high-strength anti-loosening hexagonal bolt shown in the figure comprises a screw head 1 and a screw rod 2, a mounting cavity 3 is arranged in the screw rod 2, guide holes 4 are arranged on both sides of the screw rod 2, the guide holes 4 are connected with the mounting cavity 3, a limiting column 5 is arranged in the guide hole 4, a guide slide rod 6 is fixedly installed in the mounting cavity 3, a sliding round table 7 is slidably connected in the mounting cavity 3, a tightening column 8 is installed on the top of the sliding round table 7, a through hole 9 is connected at the center of the sliding round table 7 and the tightening column 8, the sliding round table 7 and the tightening column 8 are slidably connected with the guide slide rod 6 through the through hole 9, a telescopic spring 10 is sleeved on the guide slide rod 6, a magnet ring 11 is installed on the outer ring of the sliding round table 7, and the inner side of the limiting column 5 is magnetically connected with the magnet ring 11.

[0024] When in use, the bolt is screwed into the object through a tool, the screw head 1 is twisted with the tool, and the screw rod 2 is screwed into the object. When the bolt is screwed in, the magnet ring 11 is magnetically connected to the limit column 5, and the limit column 5 is fixed through the magnetic connection to prevent the limit column 5 from being thrown out of the guide hole 4 when the screw rod 2 rotates. The sliding table 7 and the tightening column 8 are supported by the telescopic spring 10 to prevent the sliding table 7 and the tightening column 8 from sliding down, and to prevent the limit column 5 from being pushed out of the guide hole 4, so as to avoid affecting the installation operation of the bolt. After completion, the sliding table 7 and the tightening column 8 slide downward along the guide slide rod 6 through the through hole 9, and the sliding table 7 applies pressure to the telescopic spring 10. The telescopic spring 10 is deformed and contracted under the pressure, and the sliding table 7 and the tightening column 8 move downward. The limiting column 5 is magnetically disconnected from the magnet ring 11, and the sliding table 7 descends to push the limiting column 5 out of the guide hole 4. The tightening column 8 holds the limiting column 5, and the limiting column 5 contacts the inside of the object, and the limiting column 5 plays a tightening role to prevent the bolt from rotating and preventing the bolt from loosening.

[0025] Refer to the instruction manual Figure 1 , Instruction Manual Figure 2 And the instruction manual Figure 4 A mounting circular groove 12 is provided at the center of the top of the screw head 1, a threaded through hole 13 is provided at the center of the mounting circular groove 12, the threaded through hole 13 is communicated with the mounting cavity 3, a hexagon socket bolt 14 is provided on the threaded through hole 13, and the bottom of the screw of the hexagon socket bolt 14 contacts the surface of the tightening column 8,

[0026] Use a tool to rotate the hexagon socket bolt 14, and the hexagon socket bolt 14 rotates and moves downward along the threaded through hole 13. The sliding table 7 and the tightening column 8 are pushed downward by the screw rod of the hexagon socket bolt 14. The installation operation is convenient and the installation efficiency is improved. There is no need to knock, which avoids the vibration caused by knocking and causing the bolt to loosen, thereby improving the stability of the connection.

[0027] Refer to the instruction manual Figure 1 And the instruction manual Figure 2 The diameter of the limiting column 5 is the same as the diameter of the guide hole 4, the outer side of the limiting column 5 is a pointed end, and the inner side of the limiting column 5 is a flat surface.

[0028] The outer side of the limiting column 5 is a pointed end, and the outer side of the limiting column 5 contacts the inside of the object, so that the limiting column 5 can be inserted into the inside of the object, thereby preventing the limiting column 5 from loosening and improving stability.

[0029] Refer to the instruction manual Figure 1 , Instruction Manual Figure 2 And the instruction manual Figure 4 The size of the head of the hexagon socket bolt 14 matches the size of the mounting circular groove 12, and the inner diameter of the threaded through hole 13 is the same as the inner diameter of the mounting cavity 3.

[0030] The size of the head of the hexagon socket bolt 14 matches the size of the installation circular groove 12. After the hexagon socket bolt 14 is fully screwed in, the head of the hexagon socket bolt 14 matches the installation circular groove 12 completely, preventing the hexagon socket bolt 14 from protruding from the bolt, thereby improving the aesthetics.

[0031] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A high-strength anti-loosening hexagonal bolt, comprising a screw head (1) and a screw rod (2), characterized in that: The screw rod (2) is provided with an installation cavity (3), and guide holes (4) are provided on both sides of the screw rod (2). The guide holes (4) are connected to the installation cavity (3), and a limiting column (5) is provided in the guide hole (4). A guide slide rod (6) is fixedly installed in the installation cavity (3), and a sliding round table (7) is slidably connected in the installation cavity (3). A tightening column (8) is installed on the top of the sliding round table (7), and a through hole (9) is connected at the center of the sliding round table (7) and the tightening column (8). The sliding round table (7) and the tightening column (8) are slidably connected to the guide slide rod (6) through the through hole (9), and a telescopic spring (10) is sleeved on the guide slide rod (6). A magnet ring (11) is installed on the outer ring of the sliding round table (7), and the inner side of the limiting column (5) is magnetically connected to the magnet ring (11).

2. A high-strength anti-loosening hexagonal bolt according to claim 1, characterized in that: A mounting circular groove (12) is provided at the center of the top of the screw head (1), a threaded through hole (13) is provided at the center of the mounting circular groove (12), the threaded through hole (13) is communicated with the mounting cavity (3), a hexagon socket bolt (14) is provided on the threaded through hole (13), and the bottom of the screw rod of the hexagon socket bolt (14) is in contact with the surface of the tightening column (8).

3. A high-strength anti-loosening hexagonal bolt according to claim 1, characterized in that: The bottom end of the telescopic spring (10) contacts the bottom surface of the installation cavity (3), and the top end of the telescopic spring (10) contacts the bottom end of the sliding truncated table (7).

4. A high-strength anti-loosening hexagonal bolt according to claim 1, characterized in that: The diameter of the limiting column (5) is the same as the diameter of the guide hole (4); the outer side of the limiting column (5) is a pointed end, and the inner side of the limiting column (5) is a flat surface.

5. A high-strength anti-loosening hexagonal bolt according to claim 2, characterized in that: The size of the head of the hexagon socket bolt (14) matches the size of the mounting circular groove (12), and the inner diameter of the threaded through hole (13) is the same as the inner diameter of the mounting cavity (3).

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