Automobile fastening screw with pressure-bearing structure

Abstract

The automobile fastening screw with the pressure-bearing structure comprises a hexagon bolt head, an octagonal groove is formed in the bottom end of the hexagon bolt head, and an octagonal connecting block is movably connected into the octagonal groove. According to the automobile fastening screw with the pressure-bearing structure, the octagonal groove is formed, the hexagonal bolt head is installed at the top of the octagonal connecting block of the screw, the limiting groove formed in the outer portion of the octagonal connecting block can limit the hexagonal bolt head through the sliding block, it is guaranteed that the screw can be normally screwed, and meanwhile the hexagonal bolt head can be positioned; when the hexagon bolt head is extruded, a pressure-bearing spring in the groove can effectively support the hexagon bolt head, so that the overall pressure-bearing capacity of the screw is improved, a limiting sleeve in the octagonal groove is attached to the interior of the groove, the hexagon bolt head can be limited, the stability of the hexagon bolt head is improved, and the service life of the screw is prolonged. The problem that pressure cannot be effectively borne is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile screws, in particular to an automobile fastening screw with a pressure-bearing structure. Background Art

[0002] Automobiles are composed of a variety of accessories and equipment, ranging from large parts such as housings, frames, seats, etc. to small parts such as springs, screws, and nuts. They are all essential components of automobiles. Screws are used in many places in automobiles to fix and install other components. However, existing automobile screws still have some defects in use. Because the overall structure of the automobile is compact, the distance between the components is small. Automobile screws are easily squeezed by other accessories, resulting in deformation of the screw ends, which affects the subsequent disassembly and assembly.

[0003] A novel automobile fastening screw with a pressure-bearing structure is now proposed to solve the above-mentioned problems. Utility Model Content

[0004] The utility model aims to provide a fastening screw for automobiles with a pressure-bearing structure, so as to solve the problem of being unable to effectively bear pressure in the above-mentioned background technology.

[0005] To achieve the above object, the utility model provides the following technical solution: a fastening screw for automobile with a pressure-bearing structure, comprising a hexagonal bolt head, an octagonal groove is formed at the bottom end of the hexagonal bolt head, an octagonal connecting block is movably connected inside the octagonal groove, a threaded rod is fixedly connected to the bottom end of the octagonal connecting block, the center line of the threaded rod and the center line of the octagonal connecting block are on the same vertical plane, and the center line of the octagonal groove and the center line of the hexagonal bolt head are on the same vertical plane;

[0006] The top end of the octagonal groove is fixedly connected to a limiting sleeve, the top end of the limiting sleeve is fixedly connected to a pressure spring, the top end of the octagonal connecting block is provided with a groove, the two sides and ends of the octagonal groove are respectively fixedly connected with a group of sliding blocks, and the two ends and two sides of the octagonal connecting block are respectively provided with a group of limiting grooves.

[0007] Preferably, the pressure spring is fixedly connected to the groove, and the slider is slidably connected to the limiting groove.

[0008] Preferably, an annular groove is provided at the bottom end of the octagonal connecting block, a positioning ring is movably connected to the top end of the annular groove, an anti-slip protrusion is fixedly connected to the bottom end of the positioning ring, a positioning block is fixedly connected to the top end of the annular groove, and a positioning groove is provided at the top end of the positioning ring.

[0009] Preferably, the anti-slip protrusions at the bottom end of the positioning ring are arranged at equal intervals, and the center line of the annular groove and the center line of the octagonal connecting block are on the same vertical plane.

[0010] Preferably, a hexagonal hole is provided at the top end of the hexagonal bolt head, a cross slot is provided at the bottom end inside the hexagonal hole, and a slot is provided at the top end of the hexagonal bolt head.

[0011] Preferably, the slot is communicated with the interior of the hexagonal hole, and the center line of the hexagonal hole and the center line of the hexagonal bolt head are on the same vertical plane.

[0012] Compared with the prior art, the utility model has the beneficial effects that: the automobile fastening screw with a pressure-bearing structure can not only improve the pressure-bearing performance and the firmness after installation, but also can be applied to a variety of disassembly and assembly methods;

[0013] (1) An octagonal groove, an octagonal connecting block, a groove, a limiting groove, a slider, a limiting sleeve and a pressure-bearing spring are provided. A hexagonal bolt head is installed on the top of the octagonal connecting block of the screw, and the limiting groove provided on the outside of the octagonal connecting block can limit the hexagonal bolt head through the slider, thereby ensuring that the screw can be normally screwed and the hexagonal bolt head can be positioned at the same time. When the hexagonal bolt head is squeezed, the pressure-bearing spring inside the groove can effectively support the hexagonal bolt head, thereby improving the overall pressure-bearing capacity of the screw. In addition, the limiting sleeve inside the octagonal groove fits inside the groove to limit the hexagonal bolt head, thereby improving the stability of the hexagonal bolt head, thereby achieving the improvement of the pressure-bearing performance of the screw.

[0014] (2) By providing an octagonal connecting block, an anti-skid protrusion, a positioning ring, a positioning block, an annular groove and a positioning groove, before installing the screw, the positioning ring is placed inside the annular groove, and the positioning block inside the annular groove is inserted into the positioning groove, so that the positioning ring is positioned by the positioning groove. When installing the screw, the hexagonal bolt head is rotated to drive the octagonal connecting block to rotate. After the octagonal connecting block is attached to the mounting surface inside the car, the anti-skid protrusion at one end of the positioning ring presses the mounting surface inside the car to increase the friction between the mounting surface and the octagonal connecting block, so that the octagonal connecting block is positioned by the positioning block to prevent the screw from loosening after installation, thereby improving the firmness of the screw after installation;

[0015] (3) By providing a cross slot, a hexagonal hole and a slotted slot, a cross slot is opened at the top of the hexagonal bolt head of the screw, the cross slot can be used to disassemble the screw by a cross screwdriver, the hexagonal hole opened at the top of the hexagonal bolt head can be used to disassemble the screw by a hexagonal shaft, the slotted slot opened at the top of the hexagonal bolt head can be used to disassemble the screw by a flat-blade screwdriver, and the hexagonal bolt head can be used to disassemble the screw by conventional tools such as wrenches or sockets, thereby achieving the goal of being applicable to a variety of disassembly and assembly tools, thereby making disassembly and assembly more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;

[0017] Figure 2 This is a schematic diagram of the top view of the hexagonal bolt head of the utility model;

[0018] Figure 3 This is a bottom view of the structure of the anti-skid protrusion of the utility model;

[0019] Figure 4 For the utility model Figure 1 Enlarged structural diagram at A in the middle.

[0020] In the figure: 1. Hexagonal bolt head; 2. Octagonal groove; 3. Octagonal connecting block; 4. Threaded rod; 5. Groove; 6. Limiting groove; 7. Sliding block; 8. Limiting sleeve; 9. Pressure spring; 10. Cross groove; 11. Hexagonal hole; 12. Slotted groove; 13. Anti-slip bump; 14. Positioning ring; 15. Positioning block; 16. Annular groove; 17. Positioning groove. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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] Example 1: Please refer to Figure 1-4 , a fastening screw for automobile with a pressure-bearing structure, comprising a hexagonal bolt head 1, an octagonal groove 2 is provided at the bottom end of the hexagonal bolt head 1, an octagonal connecting block 3 is movably connected inside the octagonal groove 2, a threaded rod 4 is fixedly connected to the bottom end of the octagonal connecting block 3, the center line of the threaded rod 4 and the center line of the octagonal connecting block 3 are on the same vertical plane, and the center line of the octagonal groove 2 and the center line of the hexagonal bolt head 1 are on the same vertical plane;

[0023] The top of the octagonal groove 2 is fixedly connected to a limiting sleeve 8, the top of the limiting sleeve 8 is fixedly connected to a pressure spring 9, the top of the octagonal connecting block 3 is provided with a groove 5, the two sides and ends of the octagonal groove 2 are respectively fixedly connected to a group of sliders 7, and the two ends and two sides of the octagonal connecting block 3 are respectively provided with a group of limiting grooves 6;

[0024] The pressure spring 9 is fixedly connected to the groove 5, and the slider 7 is slidably connected to the limit groove 6;

[0025] Specifically, Figure 1 and Figure 3 As shown, a hexagonal bolt head 1 is installed on the top of the octagonal connecting block 3 of the screw, and the limiting groove 6 opened on the outside of the octagonal connecting block 3 can limit the hexagonal bolt head 1 through a slider 7, ensuring that the screw can be normally screwed and the hexagonal bolt head 1 can be positioned at the same time, and when the hexagonal bolt head 1 is squeezed, the pressure-bearing spring 9 inside the groove 5 can effectively support the hexagonal bolt head 1, thereby improving the overall pressure-bearing capacity of the screw, and the limiting sleeve 8 inside the octagonal groove 2 fits inside the groove 5 to limit the hexagonal bolt head 1, improve the stability of the hexagonal bolt head 1, and achieve the improvement of the pressure-bearing performance of the screw.

[0026] Embodiment 2: An annular groove 16 is provided at the bottom end of the octagonal connecting block 3, a positioning ring 14 is movably connected to the top of the annular groove 16, an anti-slip protrusion 13 is fixedly connected to the bottom end of the positioning ring 14, a positioning block 15 is fixedly connected to the top of the annular groove 16, and a positioning groove 17 is provided at the top of the positioning ring 14;

[0027] The anti-slip bumps 13 at the bottom of the positioning ring 14 are arranged at equal intervals, and the center line of the annular groove 16 and the center line of the octagonal connecting block 3 are on the same vertical plane;

[0028] Specifically, Figure 1 , Figure 3 and Figure 4 As shown, before installing the screw, the positioning ring 14 is placed in the annular groove 16, and the positioning block 15 in the annular groove 16 is inserted into the positioning groove 17, so that the positioning ring 14 is positioned by the positioning groove 17. When installing the screw, the hexagonal bolt head 1 is rotated to drive the octagonal connecting block 3 to rotate. After the octagonal connecting block 3 is attached to the mounting surface inside the car, the anti-skid protrusion 13 at one end of the positioning ring 14 squeezes the mounting surface inside the car to increase the friction between it and the mounting surface, so that the octagonal connecting block 3 is positioned by the positioning block 15 to prevent the screw from loosening after installation, thereby improving the firmness of the screw after installation.

[0029] Embodiment 3: A hexagonal hole 11 is formed at the top of the hexagonal bolt head 1, a cross slot 10 is formed at the bottom of the hexagonal hole 11, and a slot 12 is formed at the top of the hexagonal bolt head 1;

[0030] The slot 12 is connected to the inside of the hexagonal hole 11, and the center line of the hexagonal hole 11 and the center line of the hexagonal bolt head 1 are on the same vertical plane;

[0031] Specifically, Figure 1 and Figure 2As shown, a cross slot 10 is provided at the top of the hexagonal bolt head 1 of the screw, and the cross slot 10 can be used to disassemble and assemble the screw by a cross screwdriver, the hexagonal hole 11 provided at the top of the hexagonal bolt head 1 can be used to disassemble and assemble the screw by a hexagonal shaft, and the slot 12 provided at the top of the hexagonal bolt head 1 can be used to disassemble and assemble the screw by a flat-blade screwdriver, and the hexagonal bolt head 1 can be used to disassemble and assemble the screw by conventional tools such as wrenches or sockets, thereby being applicable to a variety of disassembly and assembly tools, thereby making disassembly and assembly more convenient.

[0032] Working principle: When the utility model is used, before installing the screw, the positioning ring 14 is placed inside the annular groove 16, and the positioning block 15 inside the annular groove 16 is inserted into the positioning groove 17, so that the positioning ring 14 is positioned through the positioning groove 17, and then the hexagonal bolt head 1 is rotated to drive the octagonal connecting block 3 to rotate when the screw is installed. After the octagonal connecting block 3 is fitted on the mounting surface inside the car, the anti-skid protrusion 13 at one end of the positioning ring 14 squeezes the mounting surface inside the car to increase the friction between it, so that the octagonal connecting block 3 is positioned through the positioning block 15 to prevent the screw from loosening after installation. A hexagonal bolt head 1 is installed on the top of the octagonal connecting block 3 of the screw, and the limiting groove 6 opened on the outside of the octagonal connecting block 3 can limit the hexagonal bolt head 1 through the slider 7 to ensure that the screw can be tightened normally The octagonal groove 2 is provided with a cross slot 10 at the top of the hexagonal bolt head 1, and the cross slot 10 can be used to disassemble and assemble the screw by a cross screwdriver, and the hexagonal hole 11 provided at the top of the hexagonal bolt head 1 can be used to disassemble and assemble the screw by a hexagonal shaft, and the slot 12 provided at the top of the hexagonal bolt head 1 can be used to disassemble and assemble the screw by a flat screwdriver, and the hexagonal bolt head 1 can be used to disassemble and assemble the screw by a conventional wrench or socket.

Claims

1. A fastening screw for automobiles with a pressure-bearing structure, comprising a hexagonal bolt head (1), characterized in that: An octagonal groove (2) is provided at the bottom end of the hexagonal bolt head (1); an octagonal connecting block (3) is movably connected inside the octagonal groove (2); a threaded rod (4) is fixedly connected to the bottom end of the octagonal connecting block (3); a center line of the threaded rod (4) and a center line of the octagonal connecting block (3) are on the same vertical plane; and a center line of the octagonal groove (2) and a center line of the hexagonal bolt head (1) are on the same vertical plane; The top end of the octagonal groove (2) is fixedly connected to a limiting sleeve (8), the top end of the limiting sleeve (8) is fixedly connected to a pressure spring (9), the top end of the octagonal connecting block (3) is provided with a groove (5), the two sides and ends of the octagonal groove (2) are respectively fixedly connected to a group of sliding blocks (7), and the two ends and two sides of the octagonal connecting block (3) are respectively provided with a group of limiting grooves (6).

2. The automobile fastening screw with a pressure-bearing structure according to claim 1, characterized in that: The pressure-bearing spring (9) is fixedly connected to the groove (5), and the sliding block (7) is slidably connected to the limiting groove (6).

3. The automobile fastening screw with a pressure-bearing structure according to claim 1, characterized in that: The bottom end of the octagonal connecting block (3) is provided with an annular groove (16), the top end of the annular groove (16) is movably connected to a positioning ring (14), the bottom end of the positioning ring (14) is fixedly connected to an anti-slip protrusion (13), the top end of the annular groove (16) is fixedly connected to a positioning block (15), and the top end of the positioning ring (14) is provided with a positioning groove (17).

4. The automobile fastening screw with a pressure-bearing structure according to claim 3, characterized in that: The anti-slip protrusions (13) at the bottom end of the positioning ring (14) are arranged at equal intervals, and the center line of the annular groove (16) and the center line of the octagonal connecting block (3) are on the same vertical plane.

5. The automobile fastening screw with a pressure-bearing structure according to claim 1, characterized in that: The top end of the hexagonal bolt head (1) is provided with a hexagonal hole (11), the bottom end of the hexagonal hole (11) is provided with a cross slot (10), and the top end of the hexagonal bolt head (1) is provided with a slot (12).

6. The automobile fastening screw with a pressure-bearing structure according to claim 5, characterized in that: The slot (12) is connected to the interior of the hexagonal hole (11), and the center line of the hexagonal hole (11) and the center line of the hexagonal bolt head (1) are on the same vertical plane.

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