CN220668100U - A kind of cold heading nut with high wear resistance and long life - Google Patents

Abstract

The utility model discloses a high-wear-resistance long-life cold heading nut which comprises a threaded rod body, wherein a nut body is arranged on the outer edge surface in a threaded fit mode, threads which are mutually matched are formed on the inner edge surface of the nut body and the outer edge surface of the threaded rod body, a hexagonal screwing block II is detachably sleeved outside the nut body, positioning slots are formed in the outer edge surface of the nut body in an annular array mode, positioning inserting blocks are arranged on the inner edge surface of the hexagonal screwing block II in an annular array mode, one end of each positioning inserting block can be inserted and installed in each positioning slot, a bolt cap body is connected to the top end of the threaded rod body in an annular array mode, an inserting groove is formed in the outer edge surface of the bolt cap body in an annular array mode, an arc clamping groove is formed in the inner wall of each inserting groove in a central direction of the bolt cap body in an extending mode, the high-wear-resistance long-life cold heading nut is reasonable in structure, the wear-resistance function is convenient to realize, parts are convenient to replace after being worn, normal use is guaranteed, and practicability is strong.

Description

A kind of cold heading nut with high wear resistance and long life

Technical field

The utility model belongs to the technical field of nuts, and specifically relates to a cold heading nut with high wear resistance and long life.

Background technique

Nuts are also called nuts. Generally, there are many types of nuts, including hexagonal nuts, round nuts, square nuts, etc. Some standards for nuts are relatively clear. Some specifications and size standards, material requirements standards, electroplating standards, etc. are relatively clear. Different types of nuts also have different standards. Here is a detailed introduction to the nut specifications and standards.

At present, in daily life, nuts and bolts are widely used as fixed connectors. The method of use is generally to screw the bolt into the object and make one end pass through the object, and then thread the nut and the bolt. This process It is necessary to use tools for tightening. During the tightening process, the cap body and nut of the bolt, as the main stress-bearing parts, are prone to wear and tear. When the main stress-bearing positions of its edges and corners are worn, they are prone to slipping, thus affecting normal operation. use.

Utility model content

The purpose of this utility model is to provide a cold heading nut with high wear resistance and long life, so as to solve the problems raised in the above background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions:

A cold heading nut with high wear resistance and long service life, including a threaded rod body with a nut body that can be threadedly mounted on the outer edge surface;

The inner edge surface of the nut body and the outer edge surface of the threaded rod body are both configured with threads that match each other, and the outer part of the nut body is detachably equipped with a hexagonal twisting block. The outer part of the nut body is Positioning slots are provided in an annular array on the edge surface. Positioning insert blocks are installed on the inner edge surface of the hexagonal twisting block 2 in an annular array structure. One end of the positioning insert block can be plugged and installed in the positioning slot. .

Further, the top end of the threaded rod body is connected to a bolt cap body, and an annular array of insertion grooves is provided on the outer edge of the bolt cap body. The inner wall of the insertion groove is centered toward the bolt cap body. There is an extended arc-shaped card slot.

Further, a hexagonal twisting block is removably set on the outer edge surface of the bolt cap body, and a plug-in block is installed on the inner edge surface of the hexagonal twisting block in an annular array structure. One end of the block is connected to an arc-shaped clamping block in a central structure, and the plug-in block and the arc-shaped clamping block can be plugged and installed in the plug-in groove and the arc-shaped clamping groove respectively.

Further, rubber anti-slip cushions are adhered and fixed on the surfaces of the plug-in block and the arc-shaped clamping block, as well as on the inner walls of the plug-in groove and the arc-shaped clamping groove.

Furthermore, an annular washer is set on the outer edge surface of the bottom end of the threaded rod body, and the lower end surface of the annular washer can movably abut against the hexagonal twisting block 2 and the upper end surface of the nut body.

Compared with the existing technology, the utility model has the following beneficial effects: thanks to the threaded rod body, the hexagonal twisting block 2, the positioning insert block and the nut body, the nut can be made by twisting the hexagonal twisting block 2 The main body and the threaded rod rotate together to fasten the object first. When wear and slipping occurs at the corners of the hexagonal twisting block 2, the hexagonal twisting block 2 can be disassembled and separated from the nut body, and the hexagonal screwing block 2 can be disassembled and separated. The second moving block is replaced so that the positioning insert block is inserted into the positioning slot, thereby ensuring normal use and strong practicability;

Thanks to the settings of the threaded rod body, the bolt cap body, the plug-in groove, the arc-shaped clamping groove, the hexagonal twisting block 1, the plug-in block and the arc-shaped clamping block, the threaded rod body can be made by twisting the hexagonal twisting block 1 When the spiral penetrates into the object and wear and slipping occurs at the edges of the hexagonal twisting block 1, the hexagonal twisting block 1 can be disassembled and separated from the bolt cap body, and the hexagonal twisting block 1 can be replaced so that the plug-in block and arc-shaped card blocks are inserted into the plug-in groove and arc-shaped card slot respectively to ensure normal use.

Description of the drawings

Figure 1 is a schematic structural diagram of the utility model;

Figure 2 is a disassembled schematic diagram of Figure 1 of the present utility model;

Figure 3 is an enlarged schematic diagram of the structure at point A in Figure 2 of the present invention;

Figure 4 is an enlarged schematic diagram of the structure at B in Figure 2 of the present invention.

In the picture: 1. Threaded rod body; 2. Bolt cap body; 3. Plug-in groove; 4. Arc-shaped slot; 5. Hexagonal twisting block 1; 6. Plug-in block; 7. Arc-shaped clamping block; 8 , Ring washer; 9. Hexagonal twisting block 2; 10. Positioning insert block; 11. Nut body.

Detailed ways

In order to make it easy to understand the technical means, creative features, objectives and effects of the present utility model, the present utility model will be further elaborated below in conjunction with specific implementation modes.

As shown in Figures 1 and 2, the high wear-resistant and long-life cold heading nut includes a threaded rod body 1 with a nut body 11 threadably mounted on the outer edge surface, an inner edge surface of the nut body 11 and a threaded rod body. 1 are configured with mutually adaptable threads on the outer edge surface, and the outer removable sleeve of the nut body 11 is provided with a hexagonal twisting block 29. The outer edge surface of the nut body 11 is provided with positioning inserts in an annular array. slot, the inner edge surface of the hexagonal twisting block 29 is equipped with a positioning insert block 10 in an annular array structure. One end of the positioning insert block 10 can be plugged and installed in the positioning slot. Thanks to the threaded rod body 1 and the hexagonal twisting block Block 2 9, positioning insert block 10 and nut body 11 are set up by twisting block 2 9 through the hexagon, so that the nut body 11 and the threaded rod body 1 can rotate in cooperation with each other, so that the object can be tightened first, and then at the hexagon When the corners of the twisting block 9 are worn and slippery, the hexagonal twisting block 29 can be disassembled and separated from the nut body 11, and the hexagonal twisting block 29 can be replaced so that the positioning insert block 10 can be inserted into Position it in the slot to ensure normal use.

As shown in Figures 1 to 4, the top structure of the threaded rod body 1 is connected to a bolt cap body 2. The outer edge of the bolt cap body 2 is provided with plug-in grooves 3 in an annular array. The inner wall of the plug-in groove 3 is There is an arc-shaped slot 4 extending in the center of the bolt cap body 2. A hexagonal twisting block 5 is removably set on the outer edge of the bolt cap body 2. The inner edge of the hexagonal twisting block 5 is annular. The array structure is equipped with a plug-in block 6. One end of the plug-in block 6 is connected to an arc-shaped clamping block 7 in a central structure. The plug-in block 6 and the arc-shaped clamping block 7 can be plugged and installed in the plug-in groove 3 and the arc-shaped card respectively. In the slot 4, the surfaces of the plug-in block 6 and the arc-shaped clamping block 7 as well as the inner walls of the plug-in groove 3 and the arc-shaped clamping slot 4 are all fixed with rubber anti-slip soft pads, thanks to the threaded rod body 1 and the bolt cap. The body 2, the plug-in groove 3, the arc-shaped slot 4, the hexagonal twisting block 1-5, the plug-in block 6 and the arc-shaped clamping block 7 are arranged. By twisting the hexagonal twisting block 1-5, the threaded rod body 1 When the spiral penetrates into the object and wear and slipping occurs at the edges of the hexagonal twisting block 15, the hexagonal twisting block 15 can be disassembled and separated from the bolt cap body 2, and the hexagonal twisting block 15 can be replaced. The plug-in block 6 and the arc-shaped card block 7 are plugged into the plug-in groove 3 and the arc-shaped card slot 4 respectively, ensuring normal use.

As shown in Figure 2, an annular washer 8 is set on the outer edge of the bottom end of the threaded rod body 1, and the lower end surface of the annular washer 8 is movably abutted against the hexagonal twisting block 29 and the upper end surface of the nut body 11.

Working principle: When using this high wear-resistant and long-life cold heading nut, you can twist the hexagonal twisting block 2 9 so that the nut body 11 and the threaded rod body 1 thread cooperate to rotate, so that the object can be tightened first, and then When the corners of the hexagonal twisting block 29 are worn and slippery, the hexagonal twisting block 29 can be disassembled and separated from the nut body 11, and the hexagonal twisting block 29 can be replaced so that the positioning insert block 10 can be plugged in in the positioning slot to ensure normal use. By twisting the hexagonal twisting block 15, the threaded rod body 1 can spirally penetrate into the object. When wear and slippage occurs at the edges of the hexagonal twisting block 15, The hexagonal twisting block 5 can be disassembled and separated from the bolt cap body 2, and the hexagonal twisting block 5 can be replaced, so that the plug-in block 6 and the arc-shaped clamping block 7 are plugged into the plug-in groove 3 and the arc-shaped clamping block 7 respectively. In the card slot 4, to ensure normal use, the hexagonal twisting block 29 is tightened through the annular washer 8. The high wear-resistant and long-life cold heading nut has a reasonable structure and is easy to realize the wear-resistant function. It is also easy to replace parts after wear and tear, ensuring normal use and being highly practical.

The basic principles and main features of the present utility model and the advantages of the present utility model are shown and described above. Those skilled in the industry should understand that the present utility model is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions only illustrate the principles of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model can be There will also be various changes and improvements in the new model, and these changes and improvements all fall within the scope of the claimed utility model. The protection scope of the present utility model is defined by the appended claims and their equivalents.

Claims (5)

1. A high wear-resistant long-life cold heading screw cap comprises a screw rod body (1) with a screw cap body (11) mounted on the outer edge surface in a screw fit manner;

the method is characterized in that: the nut is characterized in that threads which are mutually matched are formed on the inner edge surface of the nut body (11) and the outer edge surface of the threaded rod body (1), a hexagonal screwing block II (9) is detachably sleeved outside the nut body (11), positioning slots are formed in the outer edge surface of the nut body (11) in an annular array mode, positioning inserting blocks (10) are installed on the inner edge surface of the hexagonal screwing block II (9) in an annular array mode, and one ends of the positioning inserting blocks (10) can be installed in the positioning slots in an inserting mode.

2. The high wear resistant long life cold heading nut of claim 1, wherein: the novel threaded bolt is characterized in that the top end of the threaded rod body (1) is connected with a bolt cap body (2), the outer edge surface of the bolt cap body (2) is provided with inserting grooves (3) in an annular array, and the inner wall of each inserting groove (3) is centrally provided with an arc clamping groove (4) towards the inner extension of the bolt cap body (2).

3. The high wear resistant long life cold heading nut of claim 2, wherein: the bolt cap is characterized in that a first hexagonal screwing block (5) is detachably sleeved on the outer edge surface of the bolt cap body (2), an annular array structure is arranged on the inner edge surface of the first hexagonal screwing block (5), an arc-shaped clamping block (7) is connected with one end of the grafting block (6) in a centering structure, and the grafting block (6) and the arc-shaped clamping block (7) can be respectively installed in the grafting groove (3) and the arc-shaped clamping groove (4) in a grafting mode.

4. A high wear resistant long life cold heading nut as defined in claim 3, wherein: rubber anti-slip cushions are adhered and fixed on the surfaces of the plug-in blocks (6) and the arc-shaped clamping blocks (7) and the inner walls of the plug-in grooves (3) and the arc-shaped clamping grooves (4).

5. The high wear resistant long life cold heading nut of claim 1, wherein: the outer edge surface of the bottom end of the threaded rod body (1) is sleeved with an annular gasket (8), and the lower end surface of the annular gasket (8) is movably abutted to the upper end surfaces of the hexagonal screwing block II (9) and the nut body (11).