Strong-pressure-resistant nut piece

Abstract

The utility model discloses a strong pressure resistant nut piece which comprises a nut body, a threaded hole is formed in the nut body, the nut body comprises a hexagonal screwing part and a base, a pressure resistant shell is arranged on the outer side of the hexagonal screwing part in a sleeved mode, and the pressure resistant shell comprises a first pressure resistant plate and a second pressure resistant plate. A cavity is formed between the first pressure-resistant plate and the second pressure-resistant plate, the cavity is filled with an elastic cushion, and the first pressure-resistant plate and the second pressure-resistant plate are fixedly connected through a pressure-resistant column; and one side, far away from the hexagonal screwing part, of the base is connected with a pressure-resistant pad. According to the strong-pressure-resistant nut piece, when the nut piece is tightened through a wrench, the screwing part is sleeved with the pressure-resistant shell, the screwing part of the nut piece is protected, and therefore indentations are prevented from being generated on the surface of the screwing part; and meanwhile, the compression-resistant pad is connected to one side of the base of the nut piece, so that the pressure between the nut piece and the connecting surface is prevented from being too large, the base is prevented from being crushed, and the service life is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of nuts, in particular to a high-pressure resistant nut part. Background Art

[0002] A nut is a cap that is screwed together with a bolt or a screw for fastening. It is a component that must be used in all manufacturing machinery. According to the different materials, it is divided into several types, such as carbon steel, stainless steel, and non-ferrous metals. When the existing nut parts are screwed, a wrench is usually used to make the connection tighter. However, the existing nut parts have poor compressive performance. When the wrench is used to screw, it is easy to form an indentation on the surface of the nut part. When the nut part is screwed too tight, the interaction force between the nut part and the connection surface is too large, causing the nut part to be crushed, which affects the service life.

[0003] Based on the above situation, the utility model proposes a high-pressure resistant nut component, which can effectively solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a nut part that can withstand strong pressure. The utility model provides a nut part that can withstand strong pressure. When the nut part is tightened by a wrench, the pressure-resistant shell is sleeved on the screwing part, which protects the screwing part of the nut part, thereby preventing indentations on the surface of the screwing part; at the same time, by connecting a pressure-resistant pad to one side of the base of the nut part, the pressure between the nut part and the connection surface is prevented from being too large, the base is prevented from being crushed, and the service life is increased.

[0005] The utility model is realized by the following technical solutions:

[0006] A high-pressure-resistant nut component comprises a nut body, the nut body is provided with a threaded hole, the nut body comprises a hexagonal screwing portion and a base, the outer side of the hexagonal screwing portion is sleeved with a pressure-resistant shell, the pressure-resistant shell comprises a first pressure-resistant plate and a second pressure-resistant plate, a cavity is provided between the first pressure-resistant plate and the second pressure-resistant plate, the cavity is filled with an elastic pad, and the first pressure-resistant plate and the second pressure-resistant plate are fixedly connected by a pressure-resistant column; a pressure-resistant pad is connected to the side of the base away from the hexagonal screwing portion.

[0007] According to the above technical solution, as a further preferred technical solution of the above technical solution, an annular groove is opened on one side of the base, and a plurality of first clamping blocks evenly distributed at equal angles are arranged on the top of the outer side wall of the annular groove.

[0008] According to the above technical solution, as a further preferred technical solution of the above technical solution, an extension portion extending outward is provided on one side of the anti-pressure pad, and a plurality of second clamping blocks that engage with the first clamping blocks are fixedly connected to the top of the extension portion.

[0009] According to the above technical solution, as a further preferred technical solution of the above technical solution, a wear-resistant layer is provided on the outer side of the second pressure-resistant plate.

[0010] According to the above technical solution, as a further preferred technical solution of the above technical solution, the material of the anti-pressure pad is corrosion-resistant rubber.

[0011] Compared with the prior art, the utility model has the following advantages and beneficial effects:

[0012] The utility model provides a high-pressure resistant nut component. When the nut component is tightened by a wrench, a pressure-resistant shell is sleeved on the screwing part, which protects the screwing part of the nut component, thereby preventing indentations on the surface of the screwing part. At the same time, a pressure-resistant pad is connected to one side of the base of the nut component to prevent excessive pressure between the nut component and the connecting surface, prevent the base from being crushed, and increase the service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the structure of the pressure-resistant shell of the utility model;

[0015] Figure 3 This is a schematic diagram of the base structure of the utility model;

[0016] Figure 4 It is a schematic diagram of the structure of the compression pad of the utility model. DETAILED DESCRIPTION

[0017] In order to enable those skilled in the art to better understand the technical solution of the utility model, the preferred implementation scheme of the utility model is described below in conjunction with specific embodiments. However, it should be understood that the drawings are only used for illustrative purposes and cannot be understood as a limitation on this patent. In order to better illustrate this embodiment, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product. For those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings may be omitted. The positional relationship described in the drawings is only used for illustrative purposes and cannot be understood as a limitation on this patent.

[0018] A high-pressure-resistant nut component comprises a nut body 1, wherein the nut body 1 is provided with a threaded hole 2, the nut body 1 comprises a hexagonal screwing portion 3 and a base 4, the outer side of the hexagonal screwing portion 3 is sleeved with a pressure-resistant shell 5, the pressure-resistant shell 5 comprises a first pressure-resistant plate 51 and a second pressure-resistant plate 52, a cavity 53 is provided between the first pressure-resistant plate 51 and the second pressure-resistant plate 52, the cavity 53 is filled with an elastic pad 54, and the first pressure-resistant plate 51 and the second pressure-resistant plate 52 are fixedly connected by a pressure-resistant column 55; a pressure-resistant pad 6 is connected to the side of the base 4 away from the hexagonal screwing portion 3.

[0019] When the nut of the utility model is tightened by a wrench, the pressure-resistant shell 5 is sleeved on the screwing part 3, which protects the screwing part 3 of the nut, thereby preventing indentations on the surface of the screwing part 3; at the same time, a pressure-resistant pad 6 is connected to one side of the base 4 of the nut to prevent excessive pressure between the nut and the connecting surface, prevent the base 6 from being crushed, and increase the service life.

[0020] Further, in another embodiment, an annular groove 41 is provided on one side of the base 4, and a plurality of first clamping blocks 42 evenly distributed at equal angles are provided on the top of the outer side wall of the annular groove 41, and an extension portion 61 extending outward is provided on one side of the anti-pressure pad 6, and a plurality of second clamping blocks 62 engaging with the first clamping blocks 42 are fixedly connected to the top of the extension portion 61. The mutual cooperation between the annular groove 41, the first clamping block 42, the extension portion 61 and the second clamping block 62 facilitates the disassembly and installation between the base 4 and the anti-pressure pad 6.

[0021] Further, in another embodiment, a wear-resistant layer 56 is provided on the outer side of the second pressure-resistant plate 52. By providing the wear-resistant layer 56, when the wrench is tightening the nut, the friction between the wrench and the pressure-resistant housing 5 is increased, and the screwing is convenient.

[0022] Further, in another embodiment, the material of the anti-pressure pad 6 is corrosion-resistant rubber. The anti-pressure pad 6 made of corrosion-resistant rubber has good corrosion resistance and increases the service life.

[0023] According to the description and drawings of the utility model, those skilled in the art can easily manufacture or use a high-pressure resistant nut member of the utility model, and can produce the positive effects recorded in the utility model.

[0024] Unless otherwise specified, in the present invention, the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicating orientation or positional relationships are based on the orientation or positional relationships shown in the drawings, which 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 operate in a specific orientation. Therefore, the terms describing the orientation or positional relationship in the present invention are only used for illustrative purposes and cannot be understood as limitations on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood in conjunction with the drawings and according to specific circumstances.

[0025] Unless otherwise specified and limited, in the present invention, the terms "disposed", "connected" and "connected" 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 directly connected, or 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.

[0026] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Any simple modification or equivalent changes made to the above embodiments based on the technical essence of the present invention shall fall within the protection scope of the present invention.

Claims

1. A strong pressure resistant nut, characterized in that: The invention comprises a nut body (1), wherein the nut body (1) is provided with a threaded hole (2), the nut body (1) comprises a hexagonal screwing part (3) and a base (4), the outer side of the hexagonal screwing part (3) is provided with a pressure-resistant shell (5), the pressure-resistant shell (5) comprises a first pressure-resistant plate (51) and a second pressure-resistant plate (52), a cavity (53) is provided between the first pressure-resistant plate (51) and the second pressure-resistant plate (52), the cavity (53) is filled with an elastic pad (54), and the first pressure-resistant plate (51) and the second pressure-resistant plate (52) are fixedly connected via a pressure-resistant column (55); the base (4) is connected with a pressure-resistant pad (6) on the side away from the hexagonal screwing part (3).

2. A strong pressure resistant nut according to claim 1, characterized in that: An annular groove (41) is provided on one side of the base (4), and a plurality of first clamping blocks (42) evenly distributed at equal angles are provided on the top of the outer side wall of the annular groove (41).

3. A strong pressure resistant nut according to claim 2, characterized in that: An extension portion (61) extending outward is provided on one side of the pressure-resistant pad (6), and a plurality of second clamping blocks (62) that are engaged with the first clamping blocks (42) are fixedly connected to the top of the extension portion (61).

4. The strong pressure resistant nut according to claim 1, characterized in that: The outer side of the second anti-pressure plate (52) is provided with a wear-resistant layer (56).

5. The strong pressure resistant nut according to claim 1, characterized in that: The material of the anti-pressure pad (6) is corrosion-resistant rubber.

Images