Mechanical part connecting structure

Abstract

The utility model discloses a mechanical part connecting structure which comprises a bolt, the outer side of the bolt is in threaded connection with a first fixing block, a first mechanical part, a second mechanical part, a second fixing block and a nut in sequence from back to front, and the first fixing block, the first mechanical part, a limiting plate, the second mechanical part and the second fixing block are in threaded connection with the bolt in sequence. A limiting plate effectively prevents the first mechanical part and the second mechanical part from shifting in the using process, a nut is connected to a bolt in a threaded mode, the nut is tightened, a fixing plate is connected into a sliding rail in a sliding mode, and the fixing plate is clamped into a groove of the nut in a sliding mode, so that a user can conveniently slide the fixing plate to be clamped into the groove of the nut, and the use efficiency is improved. The nut is effectively stabilized, the situation that due to the fact that the nut is loosened after being used for a long time, mechanical parts are unstable, and accidents are possibly caused is avoided, finally, the limiting nail is connected into the second fixing block in a threaded mode, the limiting nail is screwed, and the nut is prevented from being loosened.

Description

Technical Field

[0001] The utility model belongs to the technical field of mechanical technology, and in particular relates to a mechanical parts connection structure. Background Art

[0002] Mechanical parts, also known as mechanical elements, are the basic elements that constitute machinery. They are inseparable single parts that make up machinery and machines. Mechanical parts are not only a discipline for studying and designing basic mechanical parts in various equipment, but also a general term for parts and components. The specific content of mechanical parts as a discipline includes: the connection of parts, such as threaded connection, wedge connection, pin connection, key connection, spline connection, interference fit connection, elastic ring connection, riveting, welding and gluing, etc., mechanical transmissions such as belt drive, friction wheel drive, key drive, harmonic drive, gear drive, rope drive and screw drive that transmit motion and energy, as well as corresponding shaft system parts such as drive shafts, couplings, clutches and brakes, supporting parts such as bearings, housings and machine bases, lubrication systems and seals that lubricate, springs and other parts.

[0003] Some existing mechanical parts connection structures often use nut washers when tightening to prevent the nuts from loosening after long-term use. However, nut washers can only play a certain tightening role and will still loosen after a long period of use, and cannot effectively tighten the two mechanical parts. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the existing defects and provide a mechanical parts connection structure to solve the problem that some existing mechanical parts connection structures proposed in the above background technology often use nuts and washers when tightening to prevent the nuts from loosening after long-term use, but the nut washers can only play a certain tightening role and will still loosen after a long period of use, and cannot effectively tighten the two mechanical parts.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a mechanical parts connection structure, including a bolt, the outer side of the bolt is threadedly connected with a first fixed block, a first mechanical part, a second mechanical part, a second fixed block and a nut in sequence from back to front, one side of the second fixed block is fixedly connected with a slide rail, and the slide rails are symmetrically arranged with a plurality of them, the inner sides of the slide rails are slidably connected with a fixed plate, and the fixed plates are symmetrically arranged with two, and the second fixed block has two limiting holes symmetrically arranged inside, and the second fixed blocks are threadedly connected with limiting nails through the limiting holes.

[0006] Preferably, the outer side of the bolt is movably connected to a limiting plate, the outer side of the limiting plate is fixedly connected to a fourth protection pad, two fourth protection pads are symmetrically arranged, one side of the fourth protection pads is movably connected to a first mechanical part, and the other side of the fourth protection pads is movably connected to a second mechanical part.

[0007] Preferably, a fixing column is fixedly connected to one side of one end of the bolt, and a plurality of the fixing columns are symmetrically arranged, and a third protective pad is fixedly connected to the outer side of each of the fixing columns.

[0008] Preferably, a second protection pad is fixedly connected to one side of the first fixing block.

[0009] Preferably, a first protection pad is fixedly connected to one side of the second fixing block.

[0010] Preferably, the outer surfaces of the limiting pins are provided with an anti-oxidation coating.

[0011] Preferably, a fifth protection pad is fixedly connected to one side of the fixing plate, and a plurality of the fifth protection pads are symmetrically arranged.

[0012] Preferably, the fixing plate is made of stainless steel.

[0013] Compared with the prior art, the utility model provides a mechanical parts connection structure having the following features:

[0014] Beneficial effects:

[0015] 1. The utility model sets a second fixing block, a slide rail, a fixing plate, a limiting hole and a limiting nail. One side of the second fixing block is fixedly connected to the slide rail, and the inner side of the slide rail is slidably connected to the fixing plate, which effectively facilitates the user to slide the fixing plate into the groove of the nut, thereby effectively stabilizing the nut and preventing the nut from loosening after long-term use, thereby causing instability between mechanical parts and possibly causing accidents. The inner side of the second fixing block is threadedly connected to the limiting nail, which effectively further fixes the nut to prevent it from loosening;

[0016] 2. The utility model sets a limit plate, and a fourth protective pad is fixedly connected to one side of the limit plate. The limit plate effectively limits the positions of the first mechanical part and the second mechanical part to prevent the first mechanical part and the second mechanical part from being offset when in use;

[0017] 3. The utility model provides a fixing column, and the outer side of the fixing column is fixedly connected with a third protective pad, which effectively fixes the bolt and the first fixing block to prevent the first fixing block from rotating during use and wearing the bolt to cause the internal parts of the machine to loosen.

[0018] 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

[0019] 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:

[0020] Figure 1 This is a schematic diagram of the axonometric structure of a mechanical parts connection structure proposed by the utility model;

[0021] Figure 2 This is a schematic diagram of the exploded structure of a mechanical parts connection structure proposed by the utility model;

[0022] Figure 3 for Figure 2 A schematic diagram of the enlarged structure at A in the middle;

[0023] Figure 4 This is a side view structural diagram of a mechanical parts connection structure proposed by the utility model;

[0024] In the figure: bolt 1, first fixing block 2, first mechanical part 3, second mechanical part 4, second fixing block 5, nut 6, slide rail 7, fixing plate 8, limiting hole 9, limiting nail 10, first protection pad 11, second protection pad 12, third protection pad 13, fixing column 14, limiting plate 15, fourth protection pad 16, fifth protection pad 17. DETAILED DESCRIPTION

[0025] 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.

[0026] See also Figure 1-4The utility model provides a technical solution: a mechanical parts connection structure, including a bolt 1, the outer side of the bolt 1 is threadedly connected with a first fixed block 2, a first mechanical part 3, a second mechanical part 4, a second fixed block 5 and a nut 6 in sequence from back to front, a slide rail 7 is fixedly connected to one side of the second fixed block 5, and a plurality of slide rails 7 are symmetrically arranged, and a fixed plate 8 is slidably connected to the inner side of the slide rail 7, and two fixed plates 8 are symmetrically arranged, and two limiting holes 9 are symmetrically arranged inside the second fixed block 5, and the second fixed block 5 is threadedly connected with limiting nails 10 through the limiting holes 9. The fixing plate 8 effectively facilitates the user to slide the fixing plate into the groove of the nut, thereby effectively stabilizing the nut and preventing the nut from loosening under long-term use, thereby causing instability between mechanical parts and possibly causing accidents, and the limiting nails 10 effectively further fix the nut to prevent it from loosening.

[0027] In the utility model, preferably, the outer side of the bolt 1 is movably connected to a limit plate 15, one side of the limit plate 15 is fixedly connected to a fourth protection pad 16, and two fourth protection pads 16 are symmetrically arranged, one side of one fourth protection pad 16 is movably connected to the first mechanical part 3, and one side of the other fourth protection pad 16 is movably connected to the second mechanical part 4. This effectively prevents the first mechanical part and the second mechanical part from being offset when in use.

[0028] In the present invention, preferably, a fixing column 14 is fixedly connected to one side of one end of the bolt 1, and a plurality of fixing columns 14 are symmetrically arranged, and a third protective pad 13 is fixedly connected to the outer side of the fixing column 14. The bolt and the first fixing block are effectively fixed to prevent the first fixing block from rotating during use, and the wear of the bolt causes the internal parts of the machine to loosen.

[0029] In the present invention, preferably, a second protective pad 12 is fixedly connected to one side of the first fixing block 2, so as to effectively prevent the contact surface between the first mechanical part 3 and the first fixing block 2 from being worn.

[0030] In the present invention, preferably, a first protection pad 11 is fixedly connected to one side of the second fixing block 5, so as to effectively prevent the contact surface between the second mechanical part 4 and the second fixing block 5 from being worn.

[0031] In the present invention, preferably, the outer surface of the limiting nail 10 is provided with an anti-oxidation coating, which effectively prevents the limiting nail 10 from being oxidized and rusted, thereby causing the limiting nail 10 to loosen and fall off.

[0032] In the present invention, preferably, one side of the fixing plate 8 is fixedly connected with a fifth protection pad 17, and a plurality of fifth protection pads 17 are symmetrically arranged to effectively prevent the inner groove of the nut 6 from being worn, which results in a shortened service life of the nut 6.

[0033] In the present invention, preferably, the fixing plate 8 is made of stainless steel. Stainless steel is corrosion-resistant and effectively increases the service life of the fixing plate 8.

[0034] The working principle and use process of the utility model are as follows: when in use, the first fixed block 2, the first mechanical part 3, the limiting plate 15, the second mechanical part 4 and the second fixed block 5 are threadedly connected to the bolt 1 in sequence, and the limiting plate 15 effectively prevents the first mechanical part and the second mechanical part from being offset in position during use, and then the nut 6 is threadedly connected to the bolt 1, the nut 6 is tightened, and then the fixing plate 8 is slidably connected to the slide rail 7, and the fixing plate 8 is slid into the groove of the nut 6, which is effective and convenient for users to slide the fixing plate into the groove of the nut, thereby effectively stabilizing the nut and preventing the nut from loosening after long-term use, thereby causing instability between the mechanical parts and possibly causing accidents, and finally the limiting nail 10 is threadedly connected to the second fixed block 5, and the limiting nail 10 is tightened to effectively further fix the nut and prevent the nut 6 from loosening.

[0035] Although 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 parts connection structure, comprising a bolt (1), characterized in that: The outer side of the bolt (1) is threadedly connected with a first fixing block (2), a first mechanical part (3), a second mechanical part (4), a second fixing block (5) and a nut (6) in sequence from the back to the front; one side of the second fixing block (5) is fixedly connected with a slide rail (7); a plurality of slide rails (7) are symmetrically arranged; the inner side of the slide rail (7) is slidably connected with a fixing plate (8); two fixing plates (8) are symmetrically arranged; two limiting holes (9) are symmetrically arranged inside the second fixing block (5); the second fixing block (5) is threadedly connected with a limiting pin (10) through the limiting hole (9).

2. A mechanical parts connection structure according to claim 1, characterized in that: The outer side of the bolt (1) is movably connected to a limit plate (15), one side of the limit plate (15) is fixedly connected to a fourth protection pad (16), two fourth protection pads (16) are symmetrically arranged, one side of one of the fourth protection pads (16) is movably connected to a first mechanical part (3), and the other side of the fourth protection pad (16) is movably connected to a second mechanical part (4).

3. A mechanical parts connection structure according to claim 1, characterized in that: A fixing column (14) is fixedly connected to one side of one end of the bolt (1), a plurality of the fixing columns (14) are symmetrically arranged, and a third protection pad (13) is fixedly connected to the outer side of each of the fixing columns (14).

4. A mechanical parts connection structure according to claim 1, characterized in that: A second protection pad (12) is fixedly connected to one side of the first fixing block (2).

5. A mechanical parts connection structure according to claim 1, characterized in that: A first protection pad (11) is fixedly connected to one side of the second fixing block (5).

6. A mechanical parts connection structure according to claim 1, characterized in that: The outer surfaces of the limiting pins (10) are all provided with an anti-oxidation coating.

7. A mechanical parts connection structure according to claim 1, characterized in that: One side of the fixing plate (8) is fixedly connected with a fifth protection pad (17), and a plurality of the fifth protection pads (17) are symmetrically arranged.

8. A mechanical parts connection structure according to claim 1, characterized in that: The fixing plate (8) is made of stainless steel.

Images