CN214578217U

CN214578217U - Standard fastener for machinery

Info

Publication number: CN214578217U
Application number: CN202120490915.0U
Authority: CN
Inventors: 宋勇
Original assignee: Kunshan Asmi Fastener Manufacturing Co ltd
Current assignee: Kunshan Asmi Fastener Manufacturing Co ltd
Priority date: 2021-03-08
Filing date: 2021-03-08
Publication date: 2021-11-02
Anticipated expiration: 2031-03-08

Abstract

The utility model relates to a machinery is with standard fastener technical field, and a machinery is with standard fastener is disclosed, including expansion device, bolt body and riveting set, expansion device includes cross nut and threaded rod, the cross nut bottom surface is provided with the threaded rod, threaded rod one end fixed connection is in the cross nut bottom surface, the threaded rod is kept away from the one end fixed connection of cross nut and is in riveting set upper surface, and expansion device sets up in the internal portion of bolt, the utility model discloses, through setting up waterproof sealing rubber circle, the effectual current standard fastener of having solved is after long-time the use, the screw rod head exposes for a long time, lead to the inside corrosion of fastener very easily, thereby make the fastener can't dismantle and change, more probably make the fastener fracture, cause mechanical connection inseparable enough can lead to mechanical disintegration to take place dangerous problem.

Description

Standard fastener for machinery

Technical Field

The utility model relates to a standard fastener technical field is used to machinery specifically is a standard fastener is used to machinery.

Background

The standard fastener is a standardized mechanical part for fastening and connecting, the standard fastener mainly comprises a bolt, a stud, a screw, a set screw, a nut, a washer, a rivet and the like, the structural style of the standard fastener is many, and the head part is hexagonal. The bolt subject to impact, vibration or variable load is characterized in that a polished rod part of the bolt is made into a thin section or a hollow part, a seat end of a stud is screwed into a threaded hole of a connected piece, a nut matched with a nut end is similar to a bolt nut, the structure of the bolt is basically the same as that of the bolt, but the head shapes are various to adapt to different assembling spaces, tightening degrees, connection appearances and the like, a tightening screw is provided with different head and tail end shapes to adapt to different tightening degrees, the nut is also provided with various types and is most widely applied in a hexagon shape, after the existing standard fastener is used for a long time, the screw head is exposed outside for a long time, the inside is easily rusted, and the existing standard fastener can only use one threaded connection mode when being disassembled, so that the application range of the fastener is small.

The existing standard fastener for machinery has the following problems:

1. after the existing standard fastener is used for a long time, the screw head is exposed outside for a long time, and the inside of the fastener is easily rusted, so that the fastener cannot be disassembled and replaced, the fastener is more likely to be broken, and the mechanical connection is not tight enough, so that the mechanical disassembly is possibly dangerous.

2. The existing standard fastener can only use a threaded connection mode when being disassembled, the connection mode is too simple and can only be suitable for connection between some light machines, but can not be suitable for some high-strength mechanical structures, and the application range of the fastener is reduced.

To this end, we have designed a standard fastener for machinery.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a standard fastener is used to machinery has solved the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

the utility model provides a standard fastener is used to machinery, includes expansion device, the key and riveting set, expansion device includes cross nut and threaded rod, and the cross nut bottom surface is provided with the threaded rod, threaded rod one end fixed connection in cross nut bottom surface, and the one end fixed connection that cross nut was kept away from to the threaded rod is in riveting set upper surface, and expansion device sets up inside the key.

Further, the bolt body includes hexagon nut, waterproof sealing rubber circle and ties the cover, and the hexagon nut bottom surface is provided with waterproof sealing rubber circle, and fixed surface connects in hexagon nut bottom on the waterproof sealing rubber, and fixed surface connects in connection gasket upper surface under the waterproof rubber circle, and fixed surface connects in tying the upper surface of cover under the gasket.

Furthermore, the riveting device comprises an upper deformation gasket, a lower deformation gasket and a fixed block, the outer surface of the threaded rod is sleeved with the upper deformation gasket, the upper deformation gasket is movably connected to the outer surface of the threaded rod, the threaded rod penetrates through the upper deformation gasket and extends to the position of the lower deformation gasket, the lower deformation gasket is fixedly connected to the outer surface of the threaded rod, and the lower deformation gasket is fixedly connected to one side of the fixed block.

Furthermore, the upper surface of the hexagonal nut is provided with a bolt through hole.

Furthermore, a threaded hole is formed in the upper surface of the waterproof sealing rubber ring.

Furthermore, the outer surface of the bolt sleeve is provided with a thread groove, a thread pipe is arranged inside the bolt sleeve, and the thread pipe is fixedly connected to the inner wall of the bolt sleeve.

The utility model has the advantages that:

1. the utility model discloses a, through setting up waterproof sealing rubber circle, the effectual current standard fastener of having solved is after long-time the use, and the screw head exposes outside for a long time, leads to the inside corrosion of fastener very easily to make the fastener can't dismantle and change, more likely make the fastener fracture, cause mechanical connection inseparable enough and probably lead to mechanical disintegration to take place dangerous problem.

2. The utility model discloses a, through setting up cross nut, threaded rod, going up the deformation packing ring, lower deformation packing ring and fixed block, the effectual current standard fastener of having solved can only use a threaded connection mode when dismantling, and this kind of connected mode is too simple can only be applicable to the connection between some light-duty machinery and then can't be suitable for to the mechanical structure of some high strength for the problem that the application scope of fastener diminishes.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic diagram of the explosion structure of the present invention;

fig. 3 is a schematic sectional view of the present invention.

In the figure: 1. an expansion device; 2. a plug body; 3. a riveting device; 4. a cross nut; 5. a threaded rod; 6. a hexagonal nut; 7. waterproof sealing rubber rings; 8. a bolt sleeve; 9. a connection washer; 10. an upper deformable washer; 11. a lower deformable washer; 12. a fixed block; 13. a bolt through hole; 14. a threaded hole; 15. a thread groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to FIGS. 1-3: a mechanical standard fastener comprises an expansion device 1, a bolt body 2 and a riveting device 3, wherein the expansion device 1 comprises a cross nut 4 and a threaded rod 5, the bottom surface of the cross nut 4 is provided with the threaded rod 5, one end of the threaded rod 5 is fixedly connected to the bottom surface of the cross nut 4, one end of the threaded rod 5, which is far away from the cross nut 4, is fixedly connected to the upper surface of the riveting device 3, the expansion device 1 is arranged inside the bolt body 2, the bolt body 2 comprises a hexagonal nut 6, a waterproof sealing rubber ring 7 and a bolt sleeve 8, the bottom surface of the hexagonal nut 6 is provided with the waterproof sealing rubber ring 7, the waterproof sealing rubber ring is fixedly connected to the bottom of the hexagonal nut 6, the lower surface of the waterproof rubber ring is fixedly connected to the upper surface of a connecting gasket 9, the lower surface of the connecting gasket 9 is fixedly connected to the upper surface of the bolt sleeve 8, when the fastener needs to be used, the waterproof rubber ring is added, and the problem that the existing standard fastener is effectively solved after being used for a long time, the screw head is exposed for a long time, so that the inside of the fastener is easily rusted, the fastener cannot be detached and replaced, the fastener is more likely to be broken, and the problem that the mechanical connection is not tight enough, so that the mechanical disassembly is dangerous is caused.

Wherein, the riveting device 3 comprises an upper deformation gasket 10, a lower deformation gasket 11 and a fixed block 12, the upper deformation gasket 10 is sleeved on the outer surface of the threaded rod 5, the upper deformation gasket 10 is movably connected on the outer surface of the threaded rod 5, the threaded rod 5 passes through the upper deformation gasket 10 and extends to the position of the lower deformation gasket 11, the lower deformation gasket 11 is fixedly connected on the outer surface of the threaded rod 5, the lower deformation gasket 11 is fixedly connected on one side of the fixed block 12, the upper surface of the hexagon nut 6 is provided with a bolt through hole 13, the upper surface of the waterproof sealing rubber ring 7 is provided with a threaded hole 14, the outer surface of the bolt sleeve 8 is provided with a threaded groove 15, the bolt sleeve 8 is internally provided with a threaded pipe, the threaded pipe is fixedly connected on the inner wall of the bolt sleeve 8, the mechanical connection is not tight when a fastener is used singly, the cross nut 4 is screwed, the upper deformation gasket 10 and the lower deformation gasket 11 are mutually extruded and folded under the action of the threaded rod 5 and the bolt sleeve 8, making the machine more tightly coupled.

In conclusion, when the utility model is used, the waterproof sealing rubber ring 7 is arranged, thereby effectively solving the problem that the screw head is exposed for a long time after the existing standard fastener is used for a long time, the inside of the fastener is easily rusted, thereby preventing the disassembly and replacement of the fastener, and more likely causing the fastener to break, causing the problem that the mechanical connection is not tight enough and the mechanical disassembly is dangerous, by arranging the cross screw cap 4, the threaded rod 5, the upper deformation washer 10, the lower deformation washer 11 and the fixed block 12, the problem that the existing standard fastener can only use one threaded connection mode when being disassembled is effectively solved, the connection mode is too simple and can only be suitable for the connection between some light machines, but the fastener can not be applied to some high-strength mechanical structures, so that the application range of the fastener is reduced.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A mechanical standard fastener, comprising an expansion device (1), a bolt body (2) and a riveting device (3), characterized in that: expansion device (1) includes cross nut (4) and threaded rod (5), and cross nut (4) bottom surface is provided with threaded rod (5), and threaded rod (5) one end fixed connection is in cross nut (4) bottom surface, and the one end fixed connection of cross nut (4) is kept away from in threaded rod (5) is in riveting set (3) upper surface, and expansion device (1) sets up inside bolt body (2).

2. A modular mechanical fastener as defined in claim 1, wherein: the bolt body (2) comprises a hexagonal nut (6), a waterproof sealing rubber ring (7) and a bolt sleeve (8), the waterproof sealing rubber ring (7) is arranged on the bottom surface of the hexagonal nut (6), the upper surface of the waterproof sealing rubber ring is fixedly connected to the bottom of the hexagonal nut (6), the lower surface of the waterproof sealing rubber ring is fixedly connected to the upper surface of a connecting gasket (9), and the lower surface of the connecting gasket (9) is fixedly connected to the upper surface of the bolt sleeve (8).

3. A modular mechanical fastener as defined in claim 1, wherein: riveting set (3) including last deformation packing ring (10), lower deformation packing ring (11) and fixed block (12), go up deformation packing ring (10) cover and locate threaded rod (5) surface, and go up deformation packing ring (10) swing joint in threaded rod (5) surface, threaded rod (5) pass last deformation packing ring (10) and extend down deformation packing ring (11) department, lower deformation packing ring (11) fixed connection in threaded rod (5) surface, lower deformation packing ring (11) fixed connection in one side of fixed block (12).

4. A modular mechanical fastener as defined in claim 2, wherein: and the upper surface of the hexagonal nut (6) is provided with a bolt through hole (13).

5. A modular mechanical fastener as defined in claim 2, wherein: the upper surface of the waterproof sealing rubber ring (7) is provided with a threaded hole (14).

6. A modular mechanical fastener as defined in claim 2, wherein: the outer surface of the bolt sleeve (8) is provided with a thread groove (15), a thread pipe is arranged inside the bolt sleeve (8), and the thread pipe is fixedly connected to the inner wall of the bolt sleeve (8).