High-strength bolt with high impact resistance

Abstract

The high-strength bolt comprises a first nut and a nut, a plurality of sleeves are fixedly connected to the upper surface of the first nut, movable rods are slidably connected to the interiors of the sleeves, a second nut is arranged outside the movable rods, a circular groove is formed in the middle of the upper surface of the second nut, and the upper surface of the circular groove is fixedly connected with the nut. A plurality of grooves are formed in the upper surface of the second nut, the upper ends of the movable rods all extend into the grooves, a plurality of pieces of reinforcing steel are arranged outside the second nut, and a first spring is arranged between the first nut and the second nut. By means of the structure, the second nut is installed through the movable rod, the first spring is matched with the second spring, the second nut achieves the buffering effect, the first nut can be protected, and the screw rod can be conveniently disassembled.

Description

Technical Field

[0001] The utility model relates to the technical field of bolts, in particular to a high-strength bolt with strong impact resistance. Background Art

[0002] Bolt: A mechanical part, a cylindrical threaded fastener equipped with a nut. It is a type of fastener consisting of a head and a screw. It needs to be matched with a nut and is used to fasten two parts with through holes. This type of connection is called a bolt connection.

[0003] At present, when installing high-strength working devices, the nuts of existing bolts are relatively thin and are often easily damaged under high-strength impact, resulting in the inability of the bolts to play the role of fixed connection. At the same time, once the nuts are damaged, it will affect the disassembly and assembly of the entire bolt, thereby increasing the subsequent disassembly and assembly strength of the device. Utility Model Content

[0004] The purpose of the utility model is to provide a high-strength bolt with strong impact resistance. Since the nut of the existing bolt is relatively thin, it is often easily damaged under high-intensity impact, resulting in the bolt being unable to play the role of fixed connection. At the same time, once the nut is damaged, it will affect the disassembly and assembly of the entire bolt, thereby increasing the subsequent disassembly and assembly strength of the device.

[0005] To achieve the above-mentioned purpose, a high-strength bolt with strong impact resistance is provided, including: a first nut and a nut, a plurality of sleeves are fixedly connected to the upper surface of the first nut, a plurality of movable rods are slidably connected inside the plurality of sleeves, a second nut is arranged outside the movable rod, a circular groove is opened in the middle of the upper surface of the second nut, a plurality of grooves are opened on the upper surface of the second nut, the upper ends of the plurality of movable rods extend into the grooves, a plurality of reinforcing steels are arranged outside the second nut, and a first spring is arranged between the first nut and the second nut.

[0006] According to the high-strength bolt with strong impact resistance, a screw rod is arranged at the lower end of the first nut, an anti-compression ring is fixedly connected to the outside of the screw rod, and a third spring is arranged at the upper end of the anti-compression ring.

[0007] According to the high-strength bolt with strong impact resistance, the inner walls of the plurality of sleeves are provided with limiting grooves, and movable plates are slidably connected inside two connected limiting grooves, the upper end of the movable plate is fixedly connected to the lower end of the movable rod, and second springs are arranged inside the plurality of sleeves.

[0008] According to the high-strength bolt with strong impact resistance, a bolt is arranged in the middle of the circular groove, the outside of the bolt is threadedly connected to the outside of the reinforcing steel, and a hexagonal screw hole is opened at the upper end of the bolt.

[0009] According to the high-strength bolt with strong impact resistance, one of the nut side walls is in contact with the lower surface of the second nut.

[0010] According to the high-strength bolt with strong impact resistance, a plurality of positioning holes are opened on the lower surface of the second nut, and positioning blocks are arranged inside the plurality of positioning holes, and one end of the positioning block is fixedly connected to the reinforcing steel side wall.

[0011] The above scheme has the beneficial effect: the movable rod of the utility model cooperates with the sleeve to connect the first nut and the second nut, and a plurality of reinforcing steels are installed on the outside of the second nut, and the reinforcing steels are fitted with the surface of the second nut, and the second spring is cooperated with the movable rod, so that the second nut can have a buffering effect when it is hit, and the first nut will not be hit, which is more convenient when removing the bolt.

[0012] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0014] Figure 1 This is a three-dimensional diagram of a high-strength bolt with strong impact resistance according to the utility model;

[0015] Figure 2 This is a cross-sectional view of a high-strength bolt with strong impact resistance according to the utility model;

[0016] Figure 3 For this utility model Figure 2 Enlarged view of point A in the middle.

[0017] Legend:

[0018] 1. First nut; 2. Second nut; 3. Screw; 4. Reinforcement steel; 5. Groove; 6. Nut; 7. First spring; 8. Bolt; 9. Movable rod; 10. Sleeve; 11. Hexagonal screw hole; 12. Movable plate; 13. Limiting groove; 14. Second spring; 15. Third spring; 16. Anti-pressure ring; 17. Positioning hole. DETAILED DESCRIPTION

[0019] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0020] Reference Figure 1-3 The utility model embodiment is a high-strength bolt with strong impact resistance, which includes: a first nut 1 and a nut 6, a plurality of sleeves 10 are fixedly connected to the upper surface of the first nut 1, and a movable rod 9 is slidably connected inside the plurality of sleeves 10, and a second nut 2 is arranged outside the movable rod 9, a circular groove is opened in the middle of the upper surface of the second nut 2, and a plurality of grooves 5 are opened on the upper surface of the second nut 2, which is convenient for installing the nut 6, and the upper ends of the plurality of movable rods 9 extend into the groove 5, and a plurality of reinforcing steels 4 are arranged outside the second nut 2, and the reinforcing steels 4 are installed on the outside of the second nut 2, so that the second nut 2 can play a buffering effect when it is hit, and a first spring 7 is arranged between the first nut 1 and the second nut 2, so that the second nut 2 plays a buffering effect.

[0021] A screw rod 3 is provided at the lower end of the first nut 1, and a pressure-resistant ring 16 is fixedly connected to the outside of the screw 3. A third spring 15 is provided at the upper end of the pressure-resistant ring 16, so that the first nut 1 has a buffering effect. Limiting grooves 13 are provided on the inner walls of multiple sleeves 10, and movable plates 12 are slidably connected to the insides of two connected limiting grooves 13. The upper ends of the movable plates 12 are fixedly connected to the lower ends of the movable rods 9. Second springs 14 are provided inside multiple sleeves 10. Bolts 8 are provided in the middle of the circular grooves. The bolts 8 are threadedly connected to the outer sides of the reinforcing steel 4 to facilitate fixing the reinforcing steel 4. The outer sides of the bolts 8 are threadedly connected to the outer sides of the reinforcing steel 4. A hexagonal screw hole 11 is provided at the upper end of the bolt 8, and the side wall of one nut 6 is fitted with the lower surface of the second nut 2. The lower surface of the second nut 2 is provided with multiple positioning holes 17, and the positioning holes 17 cooperate with the positioning blocks to facilitate the installation of the reinforcing steel 4. Positioning blocks are provided inside the multiple positioning holes 17, and one end of the positioning block is fixedly connected to the side wall of the reinforcing steel 4.

[0022] Working principle: When in use, the second nut 2 is put on the outside of the movable rod 9, and the second nut 2 is installed using two nuts 6. The two nuts 6 are respectively installed in the inside of the groove 5 and fit with the lower surface of the second nut 2. The reinforcing steel 4 is installed by matching the positioning block and the positioning hole 17. The other end of the reinforcing steel 4 is installed in the circular groove and fixed with the bolt 8, and the first spring 7 and the second spring 14 are matched to make the second nut 2 have a buffering effect when it is hit, which can protect the first nut 1 and facilitate the disassembly of the screw 3.

[0023] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A high-strength bolt with strong impact resistance, comprising: A first nut (1) and a nut (6), characterized in that a plurality of sleeves (10) are fixedly connected to the upper surface of the first nut (1), a plurality of sleeves (10) are slidably connected to the inside of each of the plurality of sleeves (10), a second nut (2) is arranged outside the movable rod (9), a circular groove is provided in the middle of the upper surface of the second nut (2), a plurality of grooves (5) are provided on the upper surface of the second nut (2), the upper ends of the plurality of movable rods (9) extend into the inside of the grooves (5), a plurality of reinforcing steels (4) are arranged outside the second nut (2), and a first spring (7) is arranged between the first nut (1) and the second nut (2).

2. A high-strength bolt with strong impact resistance according to claim 1, characterized in that: A screw rod (3) is arranged at the lower end of the first nut (1), an anti-pressure ring (16) is fixedly connected to the outside of the screw rod (3), and a third spring (15) is arranged at the upper end of the anti-pressure ring (16).

3. A high-strength bolt with strong impact resistance according to claim 1, characterized in that: The inner walls of the plurality of sleeves (10) are provided with limiting grooves (13), and movable plates (12) are slidably connected inside two of the limiting grooves (13). The upper end of the movable plate (12) is fixedly connected to the lower end of the movable rod (9), and a second spring (14) is arranged inside the plurality of sleeves (10).

4. A high-strength bolt with strong impact resistance according to claim 1, characterized in that: A bolt (8) is arranged in the middle of the circular groove, the outside of the bolt (8) is threadedly connected to the outside of the reinforcing steel (4), and a hexagonal screw hole (11) is opened at the upper end of the bolt (8).

5. The high-strength bolt with strong impact resistance according to claim 1, characterized in that: The side wall of one of the nuts (6) is fitted with the lower surface of the second nut (2).

6. A high-strength bolt with strong impact resistance according to claim 1, characterized in that: A plurality of positioning holes (17) are formed on the lower surface of the second nut (2), and positioning blocks are disposed inside the plurality of positioning holes (17), one end of the positioning block being fixedly connected to the side wall of the reinforcing steel (4).

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