Self-locking high-temperature-resistant nut

Abstract

The utility model relates to the technical field of nuts, in particular to a self-locking high-temperature-resistant nut. The utility model discloses a self-locking high-temperature-resistant nut which comprises a high-temperature-resistant nut body. When the high-temperature-resistant nut and the bolt are screwed and screwed, in the screwing process of the high-temperature-resistant nut, the jacking column makes contact with the surface of an object to be fixed at first, at the moment, the jacking column is squeezed to move downwards, the jacking column drives the first wedge block to move downwards synchronously in the downward moving process, the first wedge block drives the second wedge block to move inwards, and the first wedge block drives the second wedge block to move inwards. At the moment, the second wedge block can drive the non-slip mat to be tightly attached to the threaded rod of the bolt, the friction force between the high-temperature-resistant nut and the bolt is increased through the non-slip mat, and then self-locking of the high-temperature-resistant nut is achieved; and the connecting block is adsorbed and fixed in the groove of the second wedge block through the second magnetic block, so that the non-slip mat is fixed on the second wedge block, and after the non-slip mat is damaged, the non-slip mat can be quickly replaced through a direct pulling and inserting method, so that the reusability of the whole nut is improved.

Description

Technical Field

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

[0002] High temperature resistant bolts and nuts have good heat resistance and oxidation corrosion resistance in high temperature environment. These characteristics make them suitable for various high temperature processes and equipment, including oil refining, chemical, electric power and other industries. Stainless steel and alloy steel materials are common material choices for high temperature resistant bolts and nuts, but the connection between high temperature resistant nuts and bolts commonly seen on the market relies on their own threads for connection, and has poor anti-loosening performance and is prone to loosening. In view of the above situation, technical innovation is carried out on the basis of existing high temperature resistant nuts. Utility Model Content

[0003] The purpose of the utility model is to provide a self-locking high temperature resistant nut to solve the problems raised in the above background technology.

[0004] To achieve the above purpose, the utility model provides the following technical solution: a self-locking high temperature resistant nut, comprising:

[0005] A high temperature resistant nut, wherein a self-locking component is placed inside the high temperature resistant nut, wherein:

[0006] The self-locking assembly includes a top column and an anti-slip pad. A group of first wedge blocks are arranged at the bottom of the two groups of top columns, a second wedge block is placed at the bottom of the two groups of the first wedge blocks, a group of grooves are opened on the opposite sides of the two groups of the second wedge blocks, and a group of connecting blocks are arranged on the opposite sides of the two groups of the anti-slip pads, and the connecting blocks are inserted into the grooves.

[0007] Preferably, two groups of mounting holes are evenly formed on the top of the high temperature resistant nut, and two groups of mounting grooves are evenly formed on the inner side wall of the high temperature resistant nut, and the mounting holes and the mounting grooves are connected.

[0008] Preferably, the top column and the first wedge block are arranged in the mounting hole, and the second wedge block and the anti-slip pad are arranged in the mounting groove.

[0009] Preferably, the top through-mounting hole of the top column is located above the high temperature resistant nut, and the bottom through-mounting hole of the first wedge block is located in the mounting groove and fits with the top of the second wedge block.

[0010] Preferably, a group of second magnetic blocks are embedded on opposite sides of the two groups of connection blocks, and a first magnetic block is arranged in the installation groove.

[0011] Preferably, the top column, the first wedge block, the second wedge block and the connecting block are all made of high temperature resistant metal materials, the second magnetic block and the first magnetic block are adsorbed on the second wedge block, and the anti-slip pad is made of high temperature resistant and anti-slip rubber material.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] When the high temperature resistant nut is screwed and tightened with the bolt, during the process of tightening the high temperature resistant nut, the top column will first contact the surface of the object to be fixed. At this time, the top column will be squeezed and move downward. During the downward movement of the top column, the first wedge block will be driven to move downward synchronously, and the second wedge block will be driven to move inward by the first wedge block. At this time, the second wedge block will drive the anti-skid pad to fit tightly with the threaded rod of the bolt, and the friction between the high temperature resistant nut and the bolt will be increased by the anti-skid pad, thereby realizing the self-locking of the high temperature resistant nut;

[0014] The connecting block is fixed in the groove of the second wedge block by adsorption of the second magnetic block, so that the anti-skid pad is fixed on the second wedge block. When the anti-skid pad is damaged, it can be quickly replaced by directly plugging and unplugging, thereby improving the recyclability of the entire nut. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of the self-locking high temperature resistant nut of the utility model;

[0016] Figure 2 This is a front cross-sectional view of the self-locking high temperature resistant nut of the utility model;

[0017] Figure 3 It is an enlarged view of part A of the present utility model.

[0018] In the figure: 1, high temperature resistant nut; 2, top column; 21, first wedge block; 3, second wedge block; 31, first magnetic block; 32, anti-slip pad; 33, connecting block; 34, second magnetic block. DETAILED DESCRIPTION

[0019] 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.

[0020] See also Figure 1-Figure 3 A self-locking high-temperature resistant nut comprises a high-temperature resistant nut 1, a self-locking component is placed inside the high-temperature resistant nut 1, the self-locking component comprises a top column 2 and an anti-slip pad 32, a group of first wedge blocks 21 are fixedly arranged at the bottom of the two groups of top columns 2, a second wedge block 3 is placed at the bottom of the two groups of first wedge blocks 21, a group of grooves are opened on the opposite sides of the two groups of second wedge blocks 3, a group of connecting blocks 33 are fixedly arranged on the opposite sides of the two groups of anti-slip pads 32, and the connecting blocks 33 are inserted into the grooves.

[0021] Two groups of mounting holes are evenly opened on the top of the high temperature resistant nut 1, and two groups of mounting grooves are evenly opened on the inner wall of the high temperature resistant nut 1. The mounting holes and the mounting grooves are connected, the top column 2 and the first wedge block 21 are slidably set in the mounting holes, and the second wedge block 3 and the anti-skid pad 32 are slidably set in the mounting groove. The top of the top column 2 passes through the mounting hole and is located above the high temperature resistant nut 1. The bottom of the first wedge block 21 passes through the mounting hole and is located in the mounting groove and fits with the top of the second wedge block 3. When the high temperature resistant nut 1 is screwed and tightened with the bolt, the high temperature resistant nut 1 is tightened. During the process, the top column 2 will first contact the surface of the object to be fixed. At this time, the top column 2 will be squeezed and move downward. During the downward movement of the top column 2, the first wedge block 21 will be driven to move downward synchronously, and the second wedge block 3 will be driven inward by the first wedge block 21. When the high-temperature resistant nut 1 is tightened, the top column 2 will be squeezed and move into the installation hole. At this time, the second wedge block 3 will drive the anti-skid pad 32 to fit tightly with the threaded rod of the bolt, and the friction between the high-temperature resistant nut 1 and the bolt will be increased by the anti-skid pad 32, thereby realizing the self-locking of the high-temperature resistant nut 1;

[0022] A group of second magnetic blocks 34 are inlaid on the opposite sides of the two groups of connecting blocks 33, and the first magnetic block 31 is fixedly arranged in the installation groove. The top column 2, the first wedge block 21, the second wedge block 3 and the connecting block 33 are all made of high-temperature resistant metal materials. The second magnetic block 34 and the first magnetic block 31 are adsorbed on the second wedge block 3. The anti-skid pad 32 is made of high-temperature resistant and anti-skid rubber material. When the high-temperature resistant nut 1 is not in use, the second wedge block 3 can be stabilized in the installation groove by the adsorption of the first magnetic block 31 on the second wedge block 3. The connecting block 33 is adsorbed and fixed in the groove of the second wedge block 3 by the second magnetic block 34, so that the anti-skid pad 32 is fixed on the second wedge block 3. When the anti-skid pad 32 is damaged, it can be quickly replaced by directly plugging and unplugging, thereby improving the recyclability of the entire nut.

[0023] Working principle: When the high temperature resistant nut 1 is screwed and tightened with the bolt, during the process of tightening the high temperature resistant nut 1, the top column 2 will first contact the surface of the object to be fixed. At this time, the top column 2 will be squeezed and move downward. During the downward movement of the top column 2, the first wedge block 21 will be driven to move downward synchronously, and the second wedge block 3 will be driven inward by the first wedge block 21. When the high temperature resistant nut 1 is tightened, the top column 2 will be squeezed and move into the installation hole. At this time, the second wedge block 3 will drive the anti-skid pad 32 to fit tightly with the threaded rod of the bolt. The sliding pad 32 increases the friction between the high temperature resistant nut 1 and the bolt, thereby realizing self-locking of the high temperature resistant nut 1. When the high temperature resistant nut 1 is not in use, the second wedge block 3 can be stabilized in the installation groove by the adsorption of the first magnetic block 31 on the second wedge block 3. The connecting block 33 is adsorbed and fixed in the groove of the second wedge block 3 by the second magnetic block 34, so that the anti-slip pad 32 is fixed on the second wedge block 3. When the anti-slip pad 32 is damaged, it can be quickly replaced by a direct plug-in method, thereby improving the recyclability of the entire nut.

Claims

1. Self-locking high temperature resistant nut, characterized by: include: A high temperature resistant nut (1), wherein a self-locking component is placed inside the high temperature resistant nut (1), wherein: The self-locking assembly comprises a top column (2) and an anti-skid pad (32), a group of first wedge blocks (21) are arranged at the bottom of the two groups of top columns (2), a second wedge block (3) is placed at the bottom of the two groups of the first wedge blocks (21), a group of grooves are opened on the opposite sides of the two groups of the second wedge blocks (3), and a group of connecting blocks (33) are arranged on the opposite sides of the two groups of the anti-skid pads (32), and the connecting blocks (33) are inserted into the grooves.

2. The self-locking high temperature resistant nut according to claim 1, characterized in that: Two groups of mounting holes are evenly formed on the top of the high temperature resistant nut (1), and two groups of mounting grooves are evenly formed on the inner side wall of the high temperature resistant nut (1), and the mounting holes and the mounting grooves are connected.

3. The self-locking high temperature resistant nut according to claim 2, characterized in that: The top column (2) and the first wedge block (21) are arranged in the mounting hole, and the second wedge block (3) and the anti-slip pad (32) are arranged in the mounting groove.

4. The self-locking high temperature resistant nut according to claim 3, characterized in that: The top through-hole of the top column (2) is located above the high temperature resistant nut (1), and the bottom through-hole of the first wedge block (21) is located in the installation groove and fits with the top of the second wedge block (3).

5. The self-locking high temperature resistant nut according to claim 2, characterized in that: A group of second magnetic blocks (34) are inlaid on opposite sides of the two groups of connection blocks (33), and a first magnetic block (31) is arranged in the installation groove.

6. The self-locking high temperature resistant nut according to claim 5, characterized in that: The top column (2), the first wedge block (21), the second wedge block (3) and the connecting block (33) are all made of high temperature resistant metal materials, the second magnetic block (34) and the first magnetic block (31) are both adsorbed on the second wedge block (3), and the anti-skid pad (32) is made of high temperature resistant anti-skid rubber material.

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