Mechanical fastener

Abstract

The mechanical fastener comprises a fastener body, a first threaded column is fixedly connected to the bottom of the fastener body, a through groove is formed in the lower end of the outer side of the first threaded column, a movable column is slidably connected to the interior of the first threaded column, and a spring is arranged on the outer side of the movable column; the bottom of the movable column is fixedly connected with a small column, a pressing block arranged in the fastener is pressed to move downwards, so that a steel ball is separated from the interior of a through groove, a first threaded column can be installed in a connecting block and a second threaded column, after the fastener and the connector are installed in place, the pressing block is loosened, a spring drives the small column and a trapezoidal block to move upwards, and the pressing block is loosened. At the moment, the steel ball can be clamped into the through groove again, the protruding part in the through groove is clamped into the fastening groove, and then the mechanical fastening effect can be achieved, so that the structure is simple, operation is convenient and fast, and the problem that disassembly and assembly are complex due to connection between the bolt and the nut is solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of fasteners, and in particular relates to a mechanical fastener. Background Art

[0002] Mechanical fasteners are devices used to secure two or more parts by mechanically applying a predetermined pressure and torque to ensure the proper friction and fastening force between the parts. Such fasteners are important in a variety of industrial applications, especially in the automotive, construction, aviation and machinery manufacturing sectors.

[0003] Currently, when two parts are fixed, a fastener is needed to fix them, but the existing fastener structure is relatively complex, and most of them are fixed by bolts and nuts during the fastening process. This fastening method is troublesome to disassemble and assemble, and there is a possibility of slipping and being unable to open, so it is difficult to meet the use requirements. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the existing defects and provide a mechanical fastener to solve the problem raised in the above background technology that a fastener is needed to fix two parts when fixing them, but the existing fastener structure is relatively complicated, and most of them are fixed by bolts and nuts during the fastening process. This fastening method is troublesome to disassemble and assemble, and there is a possibility that the thread slips and cannot be opened, so it is difficult to meet the use requirements.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a mechanical fastener, comprising a fastener body, a first threaded column fixedly connected to the bottom of the fastener body, a through groove being provided at the lower end of the outer side of the first threaded column, a movable column being slidably connected inside the first threaded column, a spring being provided on the outer side of the movable column, a small column being fixedly connected to the bottom of the movable column, a trapezoidal block being fixedly connected to the bottom of the small column, a limiting block being fixedly connected to the bottom of the trapezoidal block, a steel ball being provided on the top of the trapezoidal block, the first threaded column being located in the internal threaded connection of a first mounting plate, a second mounting plate being provided at the bottom of the first mounting plate, a connecting block being embedded in the second mounting plate, a second threaded column being fixedly connected to the bottom of the connecting block, and a fastening groove being provided inside the second threaded column.

[0006] Preferably, four of the through grooves are circular in shape.

[0007] Preferably, a pressing block is fixedly connected to the top of the movable column.

[0008] Preferably, the spring is located between the first threaded column and the pressing block.

[0009] Preferably, the limiting block is located at the bottom of the first threaded column, and the diameter of the limiting block is larger than the inner diameter of the first threaded column.

[0010] Preferably, four of the circular steel balls are provided and correspond to the through slots.

[0011] Preferably, the second threaded column runs through the interior of the second mounting plate, and a nut is threadedly connected to the outer side of the second threaded column.

[0012] Preferably, the first threaded column is located inside the connecting block and the second threaded column, and the steel ball is located inside the fastening groove.

[0013] Compared with the prior art, the utility model provides a mechanical fastener having the following beneficial effects:

[0014] 1. The utility model provides a mechanical fastener, which is composed of a fastener body, a first threaded column, a through groove, a movable column, a pressing block, a spring, a small column, a trapezoidal block, a limit block and a steel ball, and cooperates with a connector composed of a connecting block, a second threaded column and a fastening groove. The cooperation between the two can achieve a mechanical fastening effect. When in use, the pressing block provided inside the fastener is moved downward to make the steel ball escape from the inside of the through groove. At this time, the first threaded column can be installed in the connecting block and the second threaded column. After the fastener and the connector are installed in place, the pressing block is released, and the spring will drive the small column and the trapezoidal block to move upward. At this time, the steel ball can be re-engaged in the inside of the through groove, and the protruding part in the through groove will be engaged in the fastening groove, thereby achieving a mechanical fastening effect. The structure is simple and the operation is convenient, and the problem of complicated disassembly and assembly caused by the connection between the bolt and the nut is avoided.

[0015] 2. The utility model sets a second mounting plate, a connecting block, a second threaded column and a nut. During installation, the first threaded column is threadedly connected to the first mounting plate, and the connecting block and the second threaded column are embedded in the second mounting plate to achieve a plane installation effect, thereby improving the connection strength during tightening, and then the connector is locked with a nut to avoid shaking.

[0016] The parts not involved in the device are the same as the existing technology or can be implemented by using the existing technology. The utility model has a scientific and reasonable structure, is safe and convenient to use, and provides great help to people. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0018] Figure 1This is a schematic diagram of the shaft side structure of one side of a mechanical fastener proposed by the utility model;

[0019] Figure 2 This is a schematic diagram of the shaft side structure of the other side of a mechanical fastener proposed by the utility model;

[0020] Figure 3 A schematic diagram of a nut structure of a mechanical fastener proposed by the utility model;

[0021] Figure 4 A schematic diagram of the fastening groove structure of a mechanical fastener proposed by the utility model;

[0022] Figure 5 A schematic diagram of the structure of a fastener body of a mechanical fastener proposed by the utility model;

[0023] Figure 6 This is a schematic diagram of the structure of a first threaded column of a mechanical fastener proposed by the utility model;

[0024] Figure 7 A schematic diagram of the spring structure of a mechanical fastener proposed by the utility model;

[0025] In the figure: fastener body 1, first threaded column 2, through groove 3, movable column 4, pressing block 5, spring 6, small column 7, trapezoidal block 8, limit block 9, steel ball 10, first mounting plate 11, second mounting plate 12, connecting block 13, second threaded column 14, fastening groove 15, nut 16. DETAILED DESCRIPTION

[0026] 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.

[0027] See also Figure 1-7The utility model provides a technical solution: a mechanical fastener, including a fastener body 1, a first threaded column 2 is fixedly connected to the bottom of the fastener body 1, a through groove 3 is opened at the lower end of the outer side of the first threaded column 2, a movable column 4 is slidably connected inside the first threaded column 2, a spring 6 is arranged on the outer side of the movable column 4, a small column 7 is fixedly connected to the bottom of the movable column 4, a trapezoidal block 8 is fixedly connected to the bottom of the small column 7, a limited block 9 is fixedly connected to the bottom of the trapezoidal block 8, a steel ball 10 is arranged on the top of the trapezoidal block 8, the first threaded column 2 is located in the internal thread connection of the first mounting plate 11, a second mounting plate 12 is arranged at the bottom of the first mounting plate 11, a connecting block 13 is embedded in the second mounting plate 12, a second threaded column 14 is fixedly connected to the bottom of the connecting block 13, a fastening groove 15 is opened inside the second threaded column 14, and a fastener is arranged on the bottom of the fastener. The fastener composed of the device body 1, the first threaded column 2, the through groove 3, the movable column 4, the pressing block 5, the spring 6, the small column 7, the trapezoidal block 8, the limit block 9 and the steel ball 10, and the connector composed of the connecting block 13, the second threaded column 14 and the fastening groove 15, the cooperation between the two can achieve the effect of mechanical fastening. When in use, the pressing block 5 provided inside the fastener is moved downward to make the steel ball 10 disengage from the inside of the through groove 3. At this time, the first threaded column 2 can be installed in the connecting block 13 and the second threaded column 14. After the fastener and the connector are installed in place, the pressing block 5 is released, and the spring 6 will drive the small column 7 and the trapezoidal block 8 to move upward. At this time, the steel ball 10 can be re-engaged in the inside of the through groove 3, and the protruding part in the through groove 3 will be engaged in the fastening groove 15, thereby achieving the effect of mechanical fastening.

[0028] In the present invention, preferably, four through grooves 3 are circular in shape.

[0029] In the utility model, preferably, a pressing block 5 is fixedly connected to the top of the movable column 4 .

[0030] In the present invention, preferably, the spring 6 is located between the first threaded column 2 and the pressing block 5 .

[0031] In the present invention, preferably, the limiting block 9 is located at the bottom of the first threaded column 2 , and the diameter of the limiting block 9 is greater than the inner diameter of the first threaded column 2 .

[0032] In the present invention, preferably, four circular steel balls 10 are provided and correspond to the through grooves 3 .

[0033] In the present invention, preferably, the second threaded column 14 passes through the interior of the second mounting plate 12 , and a nut 16 is threadedly connected to the outer side of the second threaded column 14 .

[0034] In the present invention, preferably, the first threaded column 2 is located inside the connecting block 13 and the second threaded column 14 , and the steel ball 10 is located inside the fastening groove 15 .

[0035] The working principle and use process of the utility model are as follows: when in use, the fastener body 1 is used as the basis, and the bottom thereof is fixedly connected with the first threaded column 2, the outer lower end of the first threaded column 2 is provided with a through groove 3, and the inside is slidably connected with a movable column 4, the outer side of the movable column 4 is provided with a spring 6, and the bottom is fixedly connected with a small column 7, which is then connected with the limit block 9 through a trapezoidal block 8. A steel ball 10 is arranged on the top of the trapezoidal block 8. When in use, the pressing block 5 is first moved downward to make the steel ball 10 disengage from the through groove 3, and then the first threaded column 2 is screwed into the connecting block 13 and the second threaded column 14. After the fastener and the connector are installed in place, the pressing block 5 is released. At this time, the spring 6 pushes the small column 7 and the trapezoidal block 8 to move upward, so that the steel ball 10 is re-inserted into the through groove 3, and the protruding part in the through groove 3 is inserted into the fastening groove 15, thereby achieving the effect of mechanical fastening. In the preferred design, the through groove 3 is circular and has four The spring 6 is located between the first threaded column 2 and the pressing block 5, which plays a role of buffering and resetting. The limit block 9 is located at the bottom of the first threaded column 2, and its diameter is larger than the inner diameter of the first threaded column 2, which plays a role of fixing and limiting. The steel ball 10 is also circular and has four, corresponding to the through groove 3, to ensure the stability of fastening. The second threaded column 14 runs through the interior of the second mounting plate 12, and the outer thread is connected with a nut 16 for adjusting and fixing the position of the fastener and the connector. The first threaded column 2 is located inside the connecting block 13 and the second threaded column 14, and the steel ball 10 is located on the inner side of the fastening groove 15 to ensure a close fit between the fastener and the connector. Through the synergistic effect of these components, the mechanical fastener can achieve fast and stable fastening effects, which is suitable for the needs of various occasions.

[0036] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A mechanical fastener, comprising a fastener body (1), characterized in that: The bottom of the fastener body (1) is fixedly connected with a first threaded column (2), the lower end of the outer side of the first threaded column (2) is provided with a through groove (3), the first threaded column (2) is slidably connected with a movable column (4) inside, the outer side of the movable column (4) is provided with a spring (6), the bottom of the movable column (4) is fixedly connected with a small column (7), the bottom of the small column (7) is fixedly connected with a trapezoidal block (8), the bottom of the trapezoidal block (8) is fixedly connected with a limiting block (9), the top of the trapezoidal block (8) is provided with a steel ball (10), the first threaded column (2) is located in the inner thread connection of a first mounting plate (11), the bottom of the first mounting plate (11) is provided with a second mounting plate (12), the second mounting plate (12) is embedded with a connecting block (13), the bottom of the connecting block (13) is fixedly connected with a second threaded column (14), and the second threaded column (14) is provided with a fastening groove (15).

2. A mechanical fastener according to claim 1, characterized in that: The through grooves (3) are circular and are each provided with four.

3. A mechanical fastener according to claim 1, characterized in that: A pressing block (5) is fixedly connected to the top of the movable column (4).

4. A mechanical fastener according to claim 1, characterized in that: The spring (6) is located between the first threaded column (2) and the pressing block (5).

5. A mechanical fastener according to claim 1, characterized in that: The limiting block (9) is located at the bottom of the first threaded column (2), and the diameter of the limiting block (9) is greater than the inner diameter of the first threaded column (2).

6. A mechanical fastener according to claim 1, characterized in that: The steel balls (10) are circular and are each provided with four balls, corresponding to the through grooves (3).

7. A mechanical fastener according to claim 1, characterized in that: The second threaded column (14) passes through the interior of the second mounting plate (12), and a nut (16) is threadedly connected to the outer side of the second threaded column (14).

8. A mechanical fastener according to claim 1, characterized in that: The first threaded column (2) is located inside the connecting block (13) and the second threaded column (14), and the steel ball (10) is located inside the fastening groove (15).

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