Strong-applicability elastic fastener

Abstract

The utility model relates to the technical field of fasteners, in particular to a strong-applicability elastic fastener which comprises a bolt and a nut, the bolt is composed of a bolt head and a screw rod, a bearing is arranged on the top of the nut, an annular base plate is arranged over the bearing, and an inner ring of the bearing is fixedly connected with the nut. According to the utility model, the defects in the prior art are overcome, the screw rod can penetrate through the connecting holes reserved on the two parts, the two parts can be tightly connected by matching with the nut, and the rubber gasket can generate certain deformation when being subjected to pressure or vibration, so that the force is absorbed and dispersed, the connected parts are protected from being damaged, and the service life of the two parts is prolonged. The spring can be compressed by rotating the nut, the compressed spring can generate certain deformation under pressure or vibration through the elasticity of the compressed spring, so that the force is absorbed and dispersed, connected parts are protected from being damaged, and meanwhile, acting force can be applied to the nut through the elasticity of the compressed spring, so that the nut can be prevented from loosening.

Description

Technical Field

[0001] The utility model relates to the technical field of fasteners, in particular to an elastic fastener with strong applicability. Background Art

[0002] Fasteners are a general term for a type of mechanical parts used to fasten two or more parts into a whole. In the market, fasteners are often called standard parts. They are usually used in various machinery, equipment, vehicles, ships, railways, bridges, buildings, structures, tools, instruments, chemicals, instruments and supplies, etc. They are the most widely used mechanical basic parts.

[0003] Fasteners are prone to loosening during use, especially during mechanical movement, which may be affected by vibration and friction, leading to equipment fastener loosening failure or even personal safety accidents;

[0004] In order to solve the above problems, a highly adaptable elastic fastener is proposed. Utility Model Content

[0005] In view of the deficiencies of the prior art, the utility model provides a highly applicable elastic fastener, which overcomes the deficiencies of the prior art and solves the problems mentioned in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a highly adaptable elastic fastener, comprising a bolt and a nut, wherein the bolt is composed of a bolt head and a screw rod;

[0007] A bearing is installed on the top of the nut, an annular pad is arranged just above the bearing, the inner ring of the bearing is fixedly connected to the nut, and a spring is arranged between the outer ring of the bearing and the annular pad.

[0008] The screw can pass through the connection holes reserved on the two parts, and the matching nut can fasten the two parts together. The rubber gasket can produce a certain deformation when subjected to pressure or vibration, thereby absorbing and dispersing these forces and protecting the connected parts from damage.

[0009] As a preferred technical solution of the utility model, the bolt head and the screw rod are concentrically arranged, a pad is fixedly connected to the lower surface of the bolt head, and anti-slip grooves are formed on the lower surface of the pad.

[0010] The pad can increase the contact area with the workpiece, and the anti-slip pattern can have an anti-slip effect.

[0011] As a preferred technical solution of the utility model, an annular clamping groove is formed at the bottom end of the pad, and a rubber gasket is provided below the annular clamping groove, and a clamping ring matched with the annular clamping groove is formed on the rubber gasket.

[0012] The rubber gasket can be connected to the anti-slip groove through a clamping ring to prevent the rubber gasket from being displaced when in use.

[0013] As a preferred technical solution of the utility model, the nut, the bearing and the annular pad are all concentrically arranged, and the upper and lower ends of the spring are fixedly connected to the annular pad and the outer ring of the bearing respectively.

[0014] By turning the nut, the spring can be compressed. The compressed spring can produce a certain deformation when subjected to pressure or vibration through its own elastic force, thereby absorbing and dispersing these forces and protecting the connected parts from damage. At the same time, its elastic force can be used to exert a force on the nut to prevent the nut from loosening.

[0015] As a preferred technical solution of the utility model, a plurality of anti-sliding blocks are formed on the upper surface of the annular pad, and the plurality of anti-sliding blocks are arranged at equal intervals on the annular pad.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] The screw can pass through the connecting holes reserved on the two parts, and the two parts can be tightly connected by the nut. The rubber gasket can produce a certain deformation when subjected to pressure or vibration, thereby absorbing and dispersing these forces and protecting the connected parts from damage. The spring can be compressed by turning the nut. The compressed spring can produce a certain deformation when subjected to pressure or vibration through its own elastic force, thereby absorbing and dispersing these forces and protecting the connected parts from damage. At the same time, its elastic force can be used to apply a force to the nut to prevent the nut from loosening. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A three-dimensional schematic diagram of the utility model Figure 1 ;

[0019] Figure 2 A three-dimensional schematic diagram of the utility model Figure 2 ;

[0020] Figure 3 It is a front view schematic diagram of the utility model;

[0021] Figure 4 For the utility model Figure 3 Schematic diagram of the cross section at AA;

[0022] Figure 5 It is a schematic diagram of a nut of the utility model;

[0023] Figure 6 For the utility model Figure 4 Partial schematic diagram at point A in the middle.

[0024] In the figure: 1, bolt head; 101, screw; 102, washer; 103, anti-skid pattern; 104, annular snap-fit ​​groove; 2, nut; 201, bearing; 202, annular pad; 203, anti-sliding block; 204, spring; 3, rubber gasket; 301, snap-fit ​​ring. DETAILED DESCRIPTION

[0025] 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.

[0026] See also Figure 1-6 A highly adaptable elastic fastener includes a bolt and a nut 2. The bolt is composed of a bolt head 1 and a screw rod 101. A bearing 201 is installed on the top of the nut 2. An annular pad 202 is arranged directly above the bearing 201. The inner ring of the bearing 201 is fixedly connected to the nut 2. A spring 204 is arranged between the outer ring of the bearing 201 and the annular pad 202. The screw rod 101 can pass through the connection hole reserved on the two parts, and the two parts can be fastened together with the nut 2. The rubber gasket 3 can produce a certain deformation when subjected to pressure or vibration, thereby absorbing and dispersing these forces and protecting the connected parts from damage.

[0027] Specifically, the bolt head 1 and the screw rod 101 are concentrically arranged, and a pad 102 is fixedly connected to the lower surface of the bolt head 1. The lower surface of the pad 102 is formed with anti-slip grooves 103. The pad 102 can increase the contact area with the workpiece, and the anti-slip grooves 103 can have an anti-slip effect.

[0028] Specifically, an annular clip groove 104 is formed at the bottom end of the pad 102, and a rubber gasket 3 is provided below the annular clip groove 104. A clip ring 301 that matches the annular clip groove 104 is formed on the rubber gasket 3. The rubber gasket 3 can be connected to the anti-slip pattern 103 through the clip ring 301 to avoid position displacement of the rubber gasket 3 during use.

[0029] Specifically, the nut 2, the bearing 201 and the annular pad 202 are all concentrically arranged, and the upper and lower ends of the spring 204 are fixedly connected to the annular pad 202 and the outer ring of the bearing 201 respectively. The spring 204 can be compressed by rotating the nut 2. The compressed spring 204 can produce a certain deformation due to its own elastic force when it is subjected to pressure or vibration, thereby absorbing and dispersing these forces to protect the connected parts from damage. At the same time, its elastic force can be used to apply a force to the nut 2 to prevent the nut 2 from loosening.

[0030] Specifically, a plurality of anti-sliding blocks 203 are formed on the upper surface of the annular pad 202 , and the plurality of anti-sliding blocks 203 are arranged on the annular pad 202 at equal intervals.

[0031] Working principle: The screw rod 101 can pass through the connection hole reserved on the two parts, and the nut 2 can be used to tightly connect the two parts. The rubber gasket 3 can produce a certain deformation when subjected to pressure or vibration, thereby absorbing and dispersing these forces to protect the connected parts from damage. The spring 204 can be compressed by rotating the nut 2. The compressed spring 204 can produce a certain deformation when subjected to pressure or vibration through its own elastic force, thereby absorbing and dispersing these forces to protect the connected parts from damage. At the same time, its elastic force can be used to apply a force to the nut 2 to prevent the nut 2 from loosening.

[0032] Finally, it should be noted that in the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0033] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0034] The above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A highly adaptable elastic fastener, comprising a bolt and a nut (2), characterized in that: The bolt is composed of a bolt head (1) and a screw rod (101); A bearing (201) is installed on the top of the nut (2), an annular pad (202) is provided directly above the bearing (201), the inner ring of the bearing (201) is fixedly connected to the nut (2), and a spring (204) is provided between the outer ring of the bearing (201) and the annular pad (202).

2. The highly adaptable elastic fastener according to claim 1, characterized in that: The bolt head (1) and the screw rod (101) are arranged concentrically, a pad (102) is fixedly connected to the lower surface of the bolt head (1), and an anti-slip pattern (103) is formed on the lower surface of the pad (102).

3. The highly adaptable elastic fastener according to claim 2, characterized in that: An annular clamping groove (104) is formed at the bottom end of the pad (102), and a rubber gasket (3) is provided below the annular clamping groove (104), and a clamping ring (301) adapted to the annular clamping groove (104) is formed on the rubber gasket (3).

4. The highly adaptable elastic fastener according to claim 1, characterized in that: The nut (2), the bearing (201) and the annular gasket (202) are all arranged concentrically, and the upper and lower ends of the spring (204) are fixedly connected to the annular gasket (202) and the outer ring of the bearing (201) respectively.

5. The highly adaptable elastic fastener according to claim 1, characterized in that: A plurality of anti-sliding blocks (203) are formed on the upper surface of the annular pad (202), and the plurality of anti-sliding blocks (203) are arranged at equal intervals on the annular pad (202).

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