Fastening structure of metal fastener
By introducing structures such as fixing blocks, fixing rings, slide grooves, bearings and shock-cushioning springs into metal fasteners, the problems of fasteners being easily rusted and damaged in harsh environments are solved, and high strength, low friction, long life and convenient installation are achieved.
Patent Information
- Application Number
- CN202422244800.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-13
- Publication Date
- 2025-07-29
- Estimated Expiration
- 2034-09-13
AI Technical Summary
Metal fasteners are prone to rust in harsh environments, resulting in difficulty in disassembly, increasing maintenance costs and labor intensity, and are susceptible to vibration and impact damage during installation.
A metal fastener structure is designed, including fixing blocks, fixing rings, slide grooves, bearings, cushioning springs and protective pads, which enhance the connection strength, reduce friction, absorb vibration, prevent bumps and corrosion, and provide convenient installation and anti-loss functions.
Improves fastener connection strength and flexibility, reduces friction and wear, extends service life, reduces maintenance costs, and enhances durability and installation convenience.
Smart Images

Figure CN223164835U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of metal fasteners, in particular to a fastening structure of a metal fastener. Background Art
[0002] Metal fasteners are a type of mechanical parts widely used in various industrial and construction fields. They are used to connect, fix or fasten two or more components. There are many types of metal fasteners, including bolts, screws, nuts, washers, pins, retaining rings, rivets, etc. Each fastener has its specific uses and functions. The performance requirements of fasteners include reliability, anti-corrosion performance, etc. They may encounter environments such as high temperature and pressure, low temperature, vibration, and corrosion during service. Therefore, the material selection and surface treatment technology of fasteners are crucial to ensure their performance and durability under various working conditions. Fasteners have a high degree of standardization, serialization, and generalization, and are supported by corresponding national standards or industry standards. When selecting fasteners, it is necessary to determine the appropriate type and specification according to the specific application occasion and functional requirements. The application fields of metal fasteners are very extensive, and the use of fasteners is indispensable from furniture assembly in daily life to high-end aerospace equipment. They are key components to ensure structural stability and functional reliability.
[0003] Substances such as humidity, oxygen, and salt in the environment may cause rust on the surface of the bolt, resulting in trouble during the disassembly process, so that the staff needs to perform regular maintenance and inspection, which increases the long-term maintenance cost and labor intensity. Content of the Utility Model
[0004] To solve the above technical problems, the utility model provides a fastening structure of a metal fastener.
[0005] The utility model is realized by the following technical solutions: A fastening structure of a metal fastener, including a nut, a fixing block is arranged at the bottom end of the nut, a bolt is arranged at the bottom end of the fixing block, a fixing ring is arranged on the surface of the fixing block, a chute is arranged inside the fixing ring, a bearing is arranged on the surface of the chute, a shock-absorbing spring is arranged inside the fixing ring, a notch is arranged on the surface of the nut, a protective cushion block is arranged inside the nut, and a protective gasket is arranged at the top end of the protective cushion block.
[0006] As a further improvement of the above solution, the bottom end of the nut is fixedly connected to the top end of the fixing block, and the bottom end of the fixing block is fixedly connected to the top end of the bolt.
[0007] Through the above technical solutions, the fixing block and the bolt arranged at the bottom end of the nut provide a basic support structure for the fastener, enhancing the overall connection strength.
[0008] As a further improvement of the above solution, a chute is provided inside the fixing ring, and a number of bearings are provided. The surfaces of the number of bearings are slidably connected to the surface of the chute, and the surfaces of the number of bearings are slidably connected to the surface of the fixing block.
[0009] Through the above technical solution, the chute inside the fixing ring and the bearings on the surface allow the fastener to rotate smoothly when subjected to an axial force, reducing friction and improving the flexibility and reliability of the movement.
[0010] As a further improvement of the above solution, the top end of the protective pad is fixedly connected to the bottom end of the fixing ring.
[0011] Through the above technical solution, the protective pad placed at the bottom end of the fixing ring can play an isolating role during the installation process, isolating the fixing ring from the equipment and preventing bumps during the installation process.
[0012] As a further improvement of the above solution, a number of shock-absorbing springs are provided. One end of each of the number of shock-absorbing springs away from each other is fixedly connected to one end of the fixing ring close to each other.
[0013] Through the above technical solution, the setting of the shock-absorbing springs can absorb vibration and impact, protect the connection structure from damage, and extend the service life.
[0014] As a further improvement of the above solution, a number of notches are provided, and the number of notches are opened on the surface of the nut.
[0015] Through the above technical solution, the design of the notches is convenient for the staff to collect. The thin rope can be passed through the notches for collection to prevent the nut from being lost.
[0016] As a further improvement of the above solution, the bottom end of the protective cushion block is sleeved on the top end of the nut, and the top end of the protective cushion block is fixedly connected to the bottom end of the protective gasket.
[0017] Through the above technical solution, the setting of the protective cushion block and the protective gasket helps to prevent the wear and corrosion of the internal components of the nut and improves the durability of the fastener.
[0018] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0019] By providing a fixing block in the present utility model, the fixing block provided at the bottom end of the nut and the bolt provide a basic support structure for the fastener, enhancing the overall connection strength. The chute inside the fixing ring and the bearings on the surface allow the fastener to rotate smoothly when subjected to an axial force, reducing friction and improving the flexibility and reliability of the movement;
[0020] The protective pad placed at the bottom end of the fixing ring can play an isolating role during the installation process, isolating the fixing ring from the equipment and preventing bumps during the installation process;
[0021] The utility model absorbs vibration and impact by arranging shock-absorbing springs, which can protect the connection structure from damage, extend the service life, and the notch design is convenient for workers to collect. The thin rope can be passed through the notch to collect, preventing the nut from being lost;
[0022] The settings of the protective cushion block and the protective gasket help to prevent the wear and corrosion of the internal components of the nut, improving the durability of the fastener. Description of the Drawings
[0023] Figure 1 is a schematic diagram of the overall structure of the utility model;
[0024] Figure 2 is a schematic diagram of the structure of the fixing block of the utility model;
[0025] Figure 3 is a schematic diagram of the bearing structure of the utility model;
[0026] Figure 4 is a schematic diagram of the sectional structure of the utility model;
[0027] Figure 5 is a schematic diagram of the structure of the protective cushion block of the utility model.
[0028] Main Symbol Description:
[0029] 1. Nut; 2. Fixing block; 3. Bolt; 4. Fixing ring; 5. Chute; 6. Bearing; 7. Protective pad; 8. Shock-absorbing spring; 9. Notch; 10. Protective cushion block; 11. Protective gasket. Specific Embodiments
[0030] Next, in combination with the drawings and specific embodiments, the present utility model will be further described. It should be noted that, on the premise of no conflict, any combination of the following-described embodiments or technical features can form a new embodiment.
[0031] Embodiment:
[0032] Please refer to Figures 1-5 , a fastening structure of a metal fastener in this embodiment includes a nut 1, a fixing block 2 is arranged at the bottom end of the nut 1, a bolt 3 is arranged at the bottom end of the fixing block 2, a fixing ring 4 is arranged on the surface of the fixing block 2, a chute 5 is arranged inside the fixing ring 4, a bearing 6 is arranged on the surface of the chute 5, a shock-absorbing spring 8 is arranged inside the fixing ring 4, a notch 9 is arranged on the surface of the nut 1, a protective cushion block 10 is arranged inside the nut 1, and a protective gasket 11 is arranged at the top end of the protective cushion block 10.
[0033] The bottom end of the nut 1 is fixedly connected to the top end of the fixing block 2, and the bottom end of the fixing block 2 is fixedly connected to the top end of the bolt 3.
[0034] A sliding groove 5 is provided inside the fixing ring 4. A number of bearings 6 are provided. The surfaces of the number of bearings 6 are slidably connected to the surface of the sliding groove 5, and the surfaces of the number of bearings 6 are slidably connected to the surface of the fixing block 2.
[0035] The top end of the protective pad 7 is fixedly connected to the bottom end of the fixing ring 4.
[0036] A number of shock-absorbing springs 8 are provided. One end of the number of shock-absorbing springs 8 away from each other is fixedly connected to one end of the inside of the fixing ring 4 close to each other.
[0037] A number of notches 9 are provided. The number of notches 9 are opened on the surface of the nut 1.
[0038] The bottom end of the protective cushion block 10 is sleeved on the top end of the nut 1, and the top end of the protective cushion block 10 is fixedly connected to the bottom end of the protective gasket 11.
[0039] The implementation principle of a fastening structure of a metal fastener in the embodiment of the present application is as follows: The fixing block 2 at the bottom end of the nut 1 is fixedly connected to the top end of the bolt 3 to form a stable connection point. The fixing ring 4 is arranged on the surface of the fixing block 2. The internal sliding groove 5 cooperates with the bearing, allowing the fixing ring 4 to slide on the surface of the fixing block 2, thus facilitating installation and disassembly, improving the installation efficiency. The existence of the sliding groove 5 can increase the usability of the fastener, reduce the force required during operation, and can also be used as a reference for marking or positioning. The shock-absorbing springs 8 inside the fixing ring 4 can provide elasticity during the fastening process, reduce the stress generated due to vibration or impact, and protect the connecting parts from damage. The protective pad 7 arranged at the bottom end of the fixing ring 4 can play an isolating role during the installation process, isolating the fixing ring 4 from the equipment to prevent bumping during the installation process. The notches 9 on the surface of the nut 1 and the internal protective cushion blocks and protective gasket 7 are designed to provide additional sealing and protection functions. The design of the notches 9 is convenient for the staff to collect. The thin string can be passed through the notches 9 to collect the nut 1 to prevent it from being lost. The protective cushion blocks and protective gasket 7 can prevent the components inside the nut 1 from being affected by the external environment, such as corrosion or wear. Through these designs, the fastener can adapt to different installation requirements, provide a stable fastening effect, and at the same time protect the connecting parts from the influence of the harsh working environment.
[0040] The above-mentioned implementation manners are only the preferred implementation manners of the present utility model, and cannot be used to limit the protection scope of the present utility model. Any non-substantial changes and substitutions made by those skilled in the art based on the present utility model belong to the protection scope required by the present utility model.
Claims
1. A fastening structure for a metal fastener, characterized in that, It includes a nut (1), a fixing block (2) is arranged at the bottom end of the nut (1), a bolt (3) is arranged at the bottom end of the fixing block (2), a fixing ring (4) is arranged on the surface of the fixing block (2), a chute (5) is arranged inside the fixing ring (4), a bearing (6) is arranged on the surface of the chute (5), a shock-absorbing spring (8) is arranged inside the fixing ring (4), a notch (9) is arranged on the surface of the nut (1), a protective cushion block (10) is arranged inside the nut (1), and a protective gasket (11) is arranged at the top end of the protective cushion block (10).
2. The fastening structure of a metal fastener according to claim 1, characterized in that: The bottom end of the nut (1) is fixedly connected to the top end of the fixing block (2), and the bottom end of the fixing block (2) is fixedly connected to the top end of the bolt (3).
3. The fastening structure of a metal fastener according to claim 1, characterized in that: A chute (5) is opened inside the fixing ring (4), several bearings (6) are provided, the surfaces of several bearings (6) are slidably connected to the surface of the chute (5), and the surfaces of several bearings (6) are slidably connected to the surface of the fixing block (2).
4. The fastening structure of a metal fastener according to claim 1, characterized in that: The top end of the protective pad (7) is fixedly connected to the bottom end of the fixing ring (4).
5. The fastening structure of a metal fastener according to claim 1, characterized in that: Several shock-absorbing springs (8) are provided, and the mutually remote ends of several shock-absorbing springs (8) are fixedly connected to the mutually close ends inside the fixing ring (4).
6. The fastening structure of a metal fastener as described in claim 1, characterized in that: Several notches (9) are provided, and several notches (9) are opened on the surface of the nut (1).
7. The fastening structure of a metal fastener according to claim 1, characterized in that: The bottom end of the protective cushion block (10) is sleeved on the top end of the nut (1), and the top end of the protective cushion block (10) is fixedly connected to the bottom end of the protective gasket (11).