Antiskid fastening type screw

Abstract

The utility model discloses an anti-skidding fastening type screw which comprises a screw rod, external threads are arranged on the outer surface of the screw rod, one end of the screw rod is fixedly connected with a connecting rod, one end of the connecting rod is fixedly connected with a pressing plate, the surface of one side of the pressing plate is fixedly connected with a hexagon head, and the hexagon head is fixedly connected with a nut. The other end of the screw rod is fixedly connected with an arc-shaped pressing piece, the arc-shaped pressing piece is located at the bottom of the screw rod, one end of the screw rod is sleeved with a combined pad, friction strips are arranged on the surface of one side of the combined pad, the friction strips are evenly distributed on the surface of one side of the combined pad at equal angles, and the friction strips are of an annular structure. The hexagonal head is connected through the screw rod and the connecting rod, a screw structure can be formed, the arc-shaped pressing piece and the combined pad are connected, pressing and positioning can be conducted after threaded installation, therefore, resistance is increased, looseness is avoided, the fastening performance is improved, and the split installation structure is beneficial to machining and interference avoiding, high in adaptability and beneficial to production and use.

Description

Technical Field

[0001] The utility model relates to the field of fastening screws, and more specifically to an anti-slip fastening screw. Background Art

[0002] Screws are a common fastener, widely used in machinery, electrical appliances and buildings. They are generally made of metal or plastic, cylindrical, and have concave and convex grooves on the surface, which are called threads.

[0003] The utility model with authorization announcement number CN 216111695 U relates to an anti-slip fastening screw, which includes a nut, a screw fixedly arranged at the bottom of the nut, and a frustum arranged at the bottom of the screw, wherein the diameter of the screw is smaller than the diameter of the nut, and a section of thread is arranged on the outer periphery of the screw, a thread notch is arranged on the thread, and a stable fastening structure is arranged inside the bottom of the screw. In actual use, since the inner wall of the threaded hole is subjected to a certain pressure, the stability of the connection between the components in the device and the machine is greatly improved, and dislocation and slipping during assembly can be prevented. The assembly is simple, the cost is low, the use is reliable, the practicability is strong, and it is suitable for popularization and use.

[0004] In the above disclosed structure, the fastening is improved by processing a hole structure inside the screw, the structure is complex, the processing difficulty is low, and the combined pad cannot be installed from the outside to reinforce the anti-slip, the adaptability is poor, and it needs to be improved. Utility Model Content

[0005] In view of the problems existing in the prior art, the purpose of the utility model is to provide an anti-slip fastening screw, which can form a screw structure by connecting the hexagonal head through a screw rod and a connecting rod, and connecting an arc-shaped clamping plate and a combination pad, which can be clamped and positioned after the thread is installed, thereby increasing resistance, avoiding loosening, and improving fastening. The split installation structure is conducive to processing, avoids interference, has high adaptability, and is conducive to production and use.

[0006] To solve the above problems, the utility model adopts the following technical solutions.

[0007] A non-slip fastening screw comprises a screw rod, the outer surface of the screw rod is provided with an external thread, one end of the screw rod is fixedly connected to a connecting rod, one end of the connecting rod is fixedly connected to a clamping plate, one side surface of the clamping plate is fixedly connected to a hexagonal head, the other end of the screw rod is fixedly connected to an arc-shaped clamping piece, the arc-shaped clamping piece is located at the bottom of the screw rod, one end of the screw rod is sleeved with a combination pad, one side surface of the combination pad is provided with friction strips, the friction strips are evenly distributed at equal angles on one side surface of the combination pad, and the friction strips form an annular structure.

[0008] Furthermore, a combined card slot is provided on one side surface of the clamping plate, and the combined card slot is located at the bottom of the clamping plate.

[0009] Furthermore, a combination clamp is provided on one side of the combination pad, and the combination clamp is symmetrically connected to the upper surface of the combination pad.

[0010] Furthermore, the combination clamp head is clamped in the interior of the combination clamp slot, and the combination clamp head is connected through the combination clamp slot, so the combination pad can be clamped and positioned to avoid slipping, which is convenient for combined reinforcement.

[0011] Furthermore, a flexible damping sleeve is sleeved on the surface of one end of the connecting rod, and the flexible damping sleeve is located at the upper end of the screw rod.

[0012] Furthermore, a sleeve hole is provided inside the flexible damping sleeve, and the sleeve hole is sleeved on the outer surface of the connecting rod.

[0013] Furthermore, one end of the flexible damping sleeve is connected to the inside of the combined pad, and by sleeve-fitting the flexible damping sleeve, it can be squeezed and deformed inside the threaded hole, thereby increasing the tightness of the connection and avoiding slipping and loosening.

[0014] Compared with the prior art, the advantages of the present invention are:

[0015] (1) This solution connects the hexagonal head through a screw rod and a connecting rod to form a screw structure, and connects the arc-shaped clamping plate and the combined gasket, which can be clamped and positioned after the thread is installed, thereby increasing resistance, avoiding loosening, and improving tightness. The split installation structure is conducive to processing, avoids interference, has high adaptability, and is conducive to production use.

[0016] (2) By connecting the combination card head through the combination card slot, the combination pad can be clamped and positioned to avoid slipping and facilitate combination reinforcement.

[0017] (3) By inserting the flexible damping sleeve, it can be squeezed and deformed inside the threaded hole, thereby increasing the tightness of the connection and preventing slipping and loosening. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0019] Figure 2 It is a partial schematic diagram of the utility model;

[0020] Figure 3 It is a surface schematic diagram of the combined pad of the utility model.

[0021] Description of the numbers in the figure:

[0022] 1 screw rod, 11 external thread, 12 connecting rod, 13 clamping plate, 14 hexagonal head, 15 arc-shaped clamping piece, 16 combination pad, 17 friction strip, 2 combination card slot, 21 combination card head, 22 flexible damping sleeve, 23 sleeve hole. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model; it is obvious that the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments of the utility model without making creative work are within the scope of protection of the utility model. Example 1

[0024] See also Figure 1 and Figure 3 A non-slip fastening screw comprises a screw rod 1, an outer surface of the screw rod 1 is provided with an external thread 11, one end of the screw rod 1 is fixedly connected to a connecting rod 12, one end of the connecting rod 12 is fixedly connected to a clamping plate 13, one side surface of the clamping plate 13 is fixedly connected to a hexagonal head 14, the other end of the screw rod 1 is fixedly connected to an arc-shaped clamping piece 15, the arc-shaped clamping piece 15 is located at the bottom of the screw rod 1, one end of the screw rod 1 is sleeved with a combination pad 16, one side surface of the combination pad 16 is provided with a friction strip 17, the friction strips 17 are uniformly distributed on one side surface of the combination pad 16 at equal angles, and the friction strips 17 are in an annular structure.

[0025] A combination slot 2 is provided on one side surface of the clamping plate 13, and the combination slot 2 is located at the bottom of the clamping plate 13. A combination clamp head 21 is provided on one side of the combination pad 16, and the combination clamp head 21 is symmetrically connected to the upper surface of the combination pad 16. The combination clamp head 21 is clamped in the inside of the combination slot 2. The combination pad can be clamped and positioned by connecting the combination clamp head through the combination slot to avoid slipping, which is convenient for combined reinforcement. The combination pad 16 is put on the connecting rod 12, and the combination clamp head 21 is clamped in the inside of the combination slot 2, which can be combined and positioned with the clamping plate 13 to avoid loosening and slipping. After being threadedly connected through the screw rod 1, the combination pad 16 can be clamped by the clamping plate 13, so that the friction strip 17 is pressed to the connection surface position, increasing the damping effect, improving the solidity, avoiding slipping and loosening, and being convenient and stable. The split structure is easy to be assembled and installed after processing to avoid interference and has high adaptability. Example 2

[0026] See also Figure 2 and Figure 3A non-slip fastening screw comprises a screw rod 1, an outer surface of the screw rod 1 is provided with an external thread 11, one end of the screw rod 1 is fixedly connected to a connecting rod 12, one end of the connecting rod 12 is fixedly connected to a clamping plate 13, one side surface of the clamping plate 13 is fixedly connected to a hexagonal head 14, the other end of the screw rod 1 is fixedly connected to an arc-shaped clamping piece 15, the arc-shaped clamping piece 15 is located at the bottom of the screw rod 1, one end of the screw rod 1 is sleeved with a combination pad 16, one side surface of the combination pad 16 is provided with a friction strip 17, the friction strips 17 are uniformly distributed on one side surface of the combination pad 16 at equal angles, and the friction strips 17 are in an annular structure.

[0027] A flexible damping sleeve 22 is sleeved on the surface of one end of the connecting rod 12. The flexible damping sleeve 22 is located at the upper end of the screw rod 1. A sleeve hole 23 is provided inside the flexible damping sleeve 22. The sleeve hole 23 is sleeved on the outer surface of the connecting rod 12. One end of the flexible damping sleeve 22 is connected to the inside of the combined pad 16. By sleeve-fitting the flexible damping sleeve, it can be squeezed and deformed inside the threaded hole, thereby increasing the tightness of the connection and avoiding slipping and loosening.

[0028] The above is only a preferred specific implementation of the utility model; however, the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and improved ideas of the utility model within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model.

Claims

1. A non-slip fastening screw, comprising a screw rod (1), the outer surface of the screw rod (1) being provided with an external thread (11), one end of the screw rod (1) being fixedly connected to a connecting rod (12), characterized in that: One end of the connecting rod (12) is fixedly connected to a clamping plate (13), one side surface of the clamping plate (13) is fixedly connected to a hexagonal head (14), the other end of the screw rod (1) is fixedly connected to an arc-shaped clamping plate (15), the arc-shaped clamping plate (15) is located at the bottom of the screw rod (1), one end of the screw rod (1) is sleeved with a combination pad (16), one side surface of the combination pad (16) is provided with a friction strip (17), the friction strips (17) are evenly distributed at equal angles on one side surface of the combination pad (16), and the friction strips (17) are in an annular structure.

2. The anti-slip fastening screw according to claim 1, characterized in that: A combined card slot (2) is provided on one side surface of the pressing plate (13), and the combined card slot (2) is located at the bottom of the pressing plate (13).

3. The anti-slip fastening screw according to claim 1, characterized in that: A combination clamp (21) is provided on one side of the combination pad (16), and the combination clamp (21) is symmetrically connected to the upper surface of the combination pad (16).

4. The anti-slip fastening screw according to claim 3, characterized in that: The combined clamping head (21) is clamped inside the combined clamping slot (2).

5. The anti-slip fastening screw according to claim 1, characterized in that: A flexible damping sleeve (22) is sleeved on the surface of one end of the connecting rod (12), and the flexible damping sleeve (22) is located at the upper end of the screw rod (1).

6. The anti-slip fastening screw according to claim 5, characterized in that: A sleeve connection hole (23) is provided inside the flexible damping sleeve (22), and the sleeve connection hole (23) is sleeved on the outer surface of the connecting rod (12).

7. The anti-slip fastening screw according to claim 5, characterized in that: One end of the flexible damping sleeve (22) is connected to the interior of the combined pad (16).

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