CN220204329U - Threaded fastener suitable for aversion force environment - Google Patents

Abstract

The utility model relates to the technical field of threaded fasteners and discloses a threaded fastener suitable for a cacheable environment, which comprises a screw head and a screw bolt, wherein the screw bolt is connected to the lower end of the screw head, a nut is connected to the lower end of the screw bolt in a threaded manner, a lower gasket is arranged on the screw bolt and positioned right above the nut, an upper gasket is arranged on the screw bolt and positioned right above the lower gasket, a connecting column is arranged at the top of the screw head, and a rotary shifting plate is connected to the upper end of the connecting column. According to the screw nut screwing device, the connecting column and the rotary pulling piece are arranged at the top of the screw head, so that the screw head can be screwed down manually, the screwing mode is increased, and in addition, by arranging the annular seat, the elastic line, the hook and the fixed block and utilizing the interaction between the annular seat, the elastic line and the hook, the nut can be hung on the annular seat when the nut is unscrewed from the stud, so that the nut is not easy to lose, and the next fastening connection is facilitated.

Description

Threaded fastener suitable for aversion force environment

Technical Field

The utility model relates to the technical field of threaded fasteners, in particular to a threaded fastener suitable for a stress environment.

Background

A fastener is a mechanical element that can mechanically secure or adhere two or more elements together. It features various kinds and specifications, different performance and usage, and high standardization, serialization and universalization degree. Fasteners are the most widely used mechanical foundation and a wide variety of fasteners are available on a wide variety of machines, equipment, vehicles, boats, railways, bridges, buildings, structures, tools, instruments, chemicals, instruments, and appliances, etc.

Through retrieval, chinese patent publication No. CN205064528U discloses a threaded fastener, which comprises a screw, a self-locking nut and a nut; the self-locking nut is radially provided with a through groove and is connected with a bolt through an internal thread; the end face of the self-locking nut is of a polygonal structure, the side face of the self-locking nut is matched with a polygonal counter bore on the surface of the workpiece, and the self-locking nut is fixed on the two side faces of the workpiece and cannot rotate after being connected; the self-locking nut is radially provided with a through groove, the length of the internal thread is equal to the axial length of the self-locking nut, and the axial size is greater than the depth of the counter bore on the surface of the workpiece.

The threaded fastener cannot be manually rotated to be screwed up when in use, the screwing up mode is single, the screwing up mode can only be realized through a tool, the nut is easy to accidentally lose when the nut is screwed down from the stud, the corresponding nut is required to be found, the next fastening connection is inconvenient, in addition, the existing threaded fastener generally does not have outstanding abrasion resistance, and further, the severe environment cannot be resisted, so that the urgent threaded fastener suitable for the severe environment is required to solve the technical problem.

Disclosure of Invention

The utility model aims to provide a threaded fastener suitable for a dislike environment, so as to solve the problems that when the threaded fastener is used, a screw head cannot be manually rotated to be screwed down, the screwing down mode is single, a tool can only be used for screwing down a nut, the nut is easy to accidentally lose when the nut is unscrewed from a stud, a corresponding nut needs to be found, the next fastening connection is inconvenient, and the existing threaded fastener generally does not have outstanding abrasion resistance and cannot resist severe environments.

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

the utility model provides a threaded fastener suitable for dislike environment, includes screw head and double-screw bolt, the lower extreme of screw head is connected with the double-screw bolt, the screw bolt is provided with the nut by lower extreme threaded connection, be provided with down the gasket on the double-screw bolt and be located directly over the nut, be provided with the gasket on the double-screw bolt and be located directly over the lower gasket, the top of screw head is provided with the spliced pole, the upper end of spliced pole is connected with rotates the plectrum, one side of nut is provided with the fixed block, the upper end of fixed block is connected with the elastic cord, the one end of elastic cord is connected with the couple, one side of screw head is provided with the ring seat, the couple is hung and is established in the ring center department of ring seat.

Preferably, the lower gasket and the upper gasket are metal sheets with circular ring structures, and the central inner holes of the lower gasket and the upper gasket are smooth holes.

Preferably, the cross section of the rotary plectrum is rectangular.

Preferably, the dimensions of the lower gasket and the upper gasket are the same.

Preferably, the outer surfaces of the screw head, the screw bolt, the nut, the lower gasket, the upper gasket, the connecting column, the rotary poking piece, the fixed block, the hook and the circular ring seat are all coated with a layer of 1425xylan paint of U.S. Hua Fu.

Preferably, the cross-sectional shapes of the screw head and the nut are hexagonal structures.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the connecting column and the rotary pulling piece are arranged at the top of the screw head, so that the screw head can be manually rotated and screwed, and the screwing mode is increased.

2. According to the nut screwing-off device, the annular seat, the elastic line, the hook and the fixing block are arranged, and the nut is hung on the annular seat through the elastic line and the hook when the nut is unscrewed from the stud by utilizing the interaction between the annular seat, so that the nut is not easy to lose and is convenient for next fastening connection.

3. According to the utility model, the coating of 1425xylan paint of U.S. Hua Fu is sprayed on the outer surfaces of the screw head, the screw bolt, the nut, the lower gasket, the upper gasket, the connecting column, the rotary plectrum, the fixed block, the hook and the circular ring seat, so that the fastener has outstanding wear resistance, and can resist severe environments.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the following drawings, in which:

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the overall structure of the present utility model;

fig. 3 is an enlarged schematic view of the structure of fig. 1 a according to the present utility model.

In the figure: 1. a screw head; 2. a stud; 3. a nut; 4. a lower gasket; 5. a gasket is arranged on the upper part; 6. a connecting column; 7. rotating the poking plate; 8. a fixed block; 9. an elastic line; 10. a hook; 11. and a circular ring seat.

Detailed Description

The present application is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be further noted that, for convenience of description, only the part related to the utility model is shown in the accompanying drawings, and in the embodiments of the utility model: the different kinds of cross-sectional lines in the drawings are not marked according to national standards, and the material of the elements is not required, so that the cross-sectional views of the elements in the drawings are distinguished.

Referring to fig. 1-3, a threaded fastener suitable for a cacheable environment comprises a screw head 1 and a screw bolt 2, wherein the screw bolt 2 is connected to the lower end of the screw head 1, a nut 3 is connected to the lower end of the screw bolt 2 in a threaded manner, a lower gasket 4 is arranged right above the screw bolt 2 and located right above the nut 3, an upper gasket 5 is arranged right above the screw bolt 2 and located right above the lower gasket 4, a connecting column 6 is arranged at the top of the screw head 1, a rotary pulling piece 7 is connected to the upper end of the connecting column 6, a fixing block 8 is arranged on one side of the nut 3, an elastic wire 9 is connected to the upper end of the fixing block 8, a hook 10 is connected to one end of the elastic wire 9, a circular ring seat 11 is arranged on one side of the screw head 1, and the hook 10 is hung at the ring center of the circular ring seat 11.

Wherein, lower gasket 4 and last gasket 5 are the sheetmetal of ring shape structure, and the center hole of lower gasket 4 and last gasket 5 is smooth hole.

The cross section of the rotary plectrum 7 is of a rectangular structure, and the top of the screw head 1 is provided with a connecting column 6 and the rotary plectrum 7, so that the screw head 1 can be manually rotated and screwed, and the screwing mode is increased.

Wherein the dimensions of the lower gasket 4 and the upper gasket 5 are the same.

The outer surfaces of the screw head 1, the screw stud 2, the nut 3, the lower gasket 4, the upper gasket 5, the connecting column 6, the rotary pulling piece 7, the fixed block 8, the hook 10 and the circular ring seat 11 are all coated with a layer of coating of xylan1425 in U.S. Hua Fu, and the outer surfaces of the screw head 2, the screw stud 2, the nut 3, the lower gasket 4, the upper gasket 5, the connecting column 6 and the rotary pulling piece 7 are all coated with a layer of coating of xylan1425 in U.S. Hua Fu, so that the fastener has outstanding wear resistance and can resist severe environments.

Wherein, the cross section shape of the screw head 1 and the nut 3 is hexagonal structure.

The working principle and the using flow of the utility model are as follows: when the nut is used, two workpieces with fixing are sleeved on the stud 2, the upper gasket 5 is propped against one side of the workpieces, the lower gasket 4 is sleeved on the stud 2, and then the nut 3 is spirally moved upwards, so that the two workpieces are firmly fixed between the lower gasket 4 and the upper gasket 5;

when the screw head 1 needs to be rotated for fastening, the screw head 1 is driven to rotate by manually rotating the rotating pulling piece 7 on the connecting column 6, so that the stud 2 on the screw head 1 is driven to rotate, and the screw head 2 and the nut 3 are in screw fit for fastening through the rotating stud 2, so that the screwing mode is increased;

when the nut 3 is screwed off from the stud 2, the screwed-off nut 3 is hung on the circular ring seat 11 through the elastic line 9 and the hook 10, so that the nut 3 is not easy to lose, is convenient for next fastening connection, is convenient to use, and solves the problem that the threaded fastener proposed in the background art cannot be manually rotated to screw down the screw head 1 when in use, the screwing mode is single, the nut 3 can be accidentally lost only by screwing down a tool, and the corresponding nut 3 is required to be found when the nut 3 is screwed off from the stud 2, the next fastening connection is inconvenient, and in addition, the existing threaded fastener generally does not have outstanding abrasion resistance, so that the problem of severe environment cannot be resisted.

The foregoing description is only of the preferred embodiments of the present application and is presented as a description of the principles of the technology being utilized. It will be appreciated by persons skilled in the art that the scope of the utility model referred to in this application is not limited to the specific combinations of features described above, but it is intended to cover other embodiments in which any combination of features described above or equivalents thereof is possible without departing from the spirit of the utility model. Such as the above-described features and technical features having similar functions (but not limited to) disclosed in the present application are replaced with each other.

Claims (6)

1. The utility model provides a screw thread fastener suitable for dislike environment, includes spiral shell head (1) and double-screw bolt (2), its characterized in that: the lower extreme of screw head (1) is connected with double-screw bolt (2), the lower extreme threaded connection of leaning on of double-screw bolt (2) has nut (3), be provided with down gasket (4) on double-screw bolt (2) and directly over nut (3), be provided with gasket (5) on double-screw bolt (2) and directly over gasket (4) down, the top of screw head (1) is provided with spliced pole (6), the upper end of spliced pole (6) is connected with rotates plectrum (7), one side of nut (3) is provided with fixed block (8), the upper end of fixed block (8) is connected with elasticity line (9), the one end of elasticity line (9) is connected with couple (10), one side of screw head (1) is provided with ring seat (11), couple (10) are hung and are established in the center of ring department of ring seat (11).

2. A threaded fastener suitable for use in a hostile environment as claimed in claim 1, wherein: the lower gasket (4) and the upper gasket (5) are metal sheets with circular ring structures, and central inner holes of the lower gasket (4) and the upper gasket (5) are smooth holes.

3. A threaded fastener suitable for use in a hostile environment as claimed in claim 1, wherein: the cross section of the rotary plectrum (7) is of a rectangular structure.

4. A threaded fastener suitable for use in a hostile environment as claimed in claim 1, wherein: the lower gasket (4) and the upper gasket (5) are the same in size.

5. A threaded fastener suitable for use in a hostile environment as claimed in claim 1, wherein: the outer surfaces of the screw head (1), the stud (2), the nut (3), the lower gasket (4), the upper gasket (5), the connecting column (6), the rotary plectrum (7), the fixed block (8), the hook (10) and the circular ring seat (11) are all coated with a layer of coating of xylan1425 coating of U.S. Hua Fu.

6. A threaded fastener suitable for use in a hostile environment as claimed in claim 1, wherein: the cross sections of the screw head (1) and the nut (3) are hexagonal structures.