CN216642750U

CN216642750U - Anti-lost bolt

Info

Publication number: CN216642750U
Application number: CN202122684409.8U
Authority: CN
Inventors: 张海涛
Original assignee: Individual
Current assignee: Qingdao Sanju Electronic Parts Co.,Ltd.
Priority date: 2021-11-04
Filing date: 2021-11-04
Publication date: 2022-05-31
Anticipated expiration: 2031-11-04

Abstract

The utility model discloses an anti-lost bolt which comprises a bolt head, wherein a cylindrical rod is welded and installed at the top of the bolt head, a reinforcing plate is welded and installed at the top of the bolt head, one side of the reinforcing plate and the surface of the cylindrical rod are arranged in a welding mode, threads are formed in the surface of the cylindrical rod, an anti-lost groove is formed in the surface of the cylindrical rod, a first limiting hole is formed in one end, away from the cylindrical rod, of the cylindrical rod, the first limiting hole transversely penetrates through the cylindrical rod and extends to the outside of the cylindrical rod, and a nut top cover is installed at the top of the cylindrical rod in a threaded mode. This prevent bolt of losing embolias the cylinder pole through the gasket on, through installing the nut screw thread to the screw thread department on cylinder pole surface, through establishing to preventing losing the inslot with preventing losing the piece cover, through the free end department of nut top cap threaded mounting to the cylinder pole, install spacing allen key through first spacing hole and the spacing downthehole screw thread of second, and then prevent to lose because of using the nut not hard up and lead to bolt and nut for a long time.

Description

Anti-lost bolt

Technical Field

The utility model relates to the technical field of bolts, in particular to an anti-lost bolt.

Background

The bolt is a mechanical part and is matched with a cylindrical threaded fastener of a nut. A fastener consisting of a head part and a screw (a cylinder with external threads) needs to be matched with a nut and is used for fastening and connecting two parts with through holes. This form of connection is known as a bolted connection. If the nut is unscrewed from the bolt, the two parts can be separated, so that the bolt connection belongs to detachable connection.

The bolt has the fixed effect of fastening in mechanical component, can lead to the bolt nut to lose to bolt nut two that lead to becoming flexible when the machine is operated for a long time, can lead to the machine to fail to operate and have the potential safety hazard, and the loss of bolt nut also can cause very big cost extravagant simultaneously.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides an anti-lost bolt, which solves the problem that the bolt is easy to lose due to the fact that the nut is loosened after the traditional bolt and nut are used for a long time.

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

an anti-lost bolt comprises a bolt head, a cylindrical rod is welded and installed at the top of the bolt head, the top of the bolt head is welded with a reinforcing plate, one side of the reinforcing plate is welded with the surface of the cylindrical rod, the surface of the cylindrical rod is provided with threads, the surface of the cylindrical rod is provided with a loss-preventing groove, one end of the cylindrical rod, which is far away from the cylindrical rod, is provided with a first limiting hole, the first limiting hole transversely penetrates through the cylindrical rod and extends to the outside of the cylindrical rod, a nut top cover is installed on the top of the cylindrical rod in a threaded mode, a second limiting hole is arranged on the front side wall of the nut top cover, a limiting inner hexagon screw is arranged in the second limiting hole and the first limiting hole through internal threads, the anti-lost groove inner sleeve is provided with an anti-lost sheet, a nut is arranged at the thread of the surface of the cylindrical rod, and a gasket is movably sleeved on the surface of the cylindrical rod.

Preferably, the reinforcing plate is right triangle, and there are a plurality of groups in quantity, and be the annular array setting, and then increase the intensity of bolt.

Preferably, the first limiting hole and the second limiting hole are correspondingly arranged, and the first limiting hole and the second limiting hole are matched with the limiting inner hexagonal screw, so that the cylindrical rod and the nut top cover are conveniently limited and fixed.

Preferably, the anti-lost piece is in a circular ring shape, and an opening is formed in the anti-lost piece, so that the anti-lost piece is convenient to mount.

Preferably, the inner diameter of the anti-lost piece is larger than the diameter of the anti-lost groove and smaller than the diameter of the cylindrical rod.

Preferably, the gasket is in the shape of a cylindrical sheet, and the inner diameter of the gasket is equal to the diameter of the cylindrical rod.

Compared with the prior art, the utility model has the beneficial effects that: this prevent bolt of losing embolias the cylinder pole through the gasket on, through installing the nut screw thread to the screw thread department on cylinder pole surface, through establishing to preventing losing the inslot with preventing losing the piece cover, through the free end department of nut top cap threaded mounting to the cylinder pole, install spacing allen key through first spacing hole and the spacing downthehole screw thread of second, and then prevent to lose because of using the nut not hard up and lead to bolt and nut for a long time.

Drawings

FIG. 1 is a schematic structural view of an isometric view of the present invention;

FIG. 2 is a schematic structural view of a rear view of the present invention;

FIG. 3 is a partial schematic view of the present invention;

FIG. 4 is another partial structural schematic diagram of the present invention.

In the figure: 1 bolt head, 2 cylindrical bar, 3 reinforcing plates, 4 threads, 5 anti-loss grooves, 6 first limiting holes, 7 nut top covers, 8 second limiting holes, 9 limiting inner hexagon screws, 10 anti-loss sheets, 11 nuts and 12 gaskets.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b): referring to fig. 1-4, the utility model provides a technical scheme, which is an anti-lost bolt, and comprises a bolt head 1, wherein a cylindrical rod 2 is welded and installed on the top of the bolt head 1, a reinforcing plate 3 is welded and installed on the top of the bolt head 1, the reinforcing plate 3 is in the shape of a right triangle, a plurality of groups of reinforcing plates are arranged in an annular array, so that the strength of the bolt is increased, one side of the reinforcing plate 3 is welded and installed on the surface of the cylindrical rod 2, a thread 4 is arranged on the surface of the cylindrical rod 2, an anti-loss groove 5 is arranged on the surface of the cylindrical rod 2, a first limiting hole 6 is arranged at one end of the cylindrical rod 2 far away from the cylindrical rod 2, the first limiting hole 6 transversely penetrates through the cylindrical rod 2 and extends to the outside of the cylindrical rod 2, a nut top cover 7 is arranged on the thread of the top of the cylindrical rod 2, and a second limiting hole 8 is arranged on the front side wall of the nut top cover 7, the second limiting hole 8 and the first limiting hole 6 are internally threaded with a limiting inner hexagon screw 9, the first limiting hole 6 and the second limiting hole 8 are correspondingly arranged, the first limiting hole 6 and the second limiting hole 8 are matched with the limiting inner hexagon screw 9, so that the cylindrical rod 2 and the nut top cover 7 can be limited and fixed conveniently, the anti-lost sheet 10 is sleeved in the anti-lost groove 5, the anti-lost sheet 10 is in a circular ring sheet shape, an opening is formed in the anti-lost sheet 10, the anti-lost sheet 10 can be conveniently installed, the inner diameter of the anti-lost sheet 10 is larger than the diameter of the anti-lost groove 5 and smaller than the diameter of the cylindrical rod 2, a nut 11 is installed at the position of a thread 4 on the surface of the cylindrical rod 2 through a thread, a gasket 12 is movably sleeved on the surface of the cylindrical rod 2, the gasket 12 is in a cylindrical sheet shape, the inner diameter of the gasket 12 is equal to the diameter of the cylindrical rod 2, and is sleeved on the cylindrical rod 2 through the gasket 12, through 4 departments of screw thread with 11 threaded installations of nut to the 2 surfaces of cylindric pole, establish to preventing losing 5 inslot through 10 covers of preventing losing, through 7 threaded installations of nut top cap to the free end department of cylindric pole 2, install spacing allen key 9 through first spacing hole 6 and the spacing hole 8 internal threads of second, and then prevent to lead to bolt and nut 11 to lose because of using nut 11 not hard up for a long time.

When in use: the staff inserts cylinder pole 2 to the position that needs the installation, embolia cylinder pole 2 with gasket 12 on, install 11 screw threads of nut to the 4 departments of screw thread on cylinder pole 2 surface, the staff establishes to anti-lost groove 5 with anti-lost 10 covers of piece, 7 screw thread installations of nut top cap to the free end department of cylinder pole 2, to first spacing hole 6 and the spacing 8 internal threads of second installation spacing hexagon socket head cap screw 9, and then prevent to lead to bolt and nut 11 to lose because of using nut 11 not hard up for a long time.

In conclusion, this prevent bolt of losing embolias on the cylinder pole 2 through gasket 12, through 4 departments of screw thread installation to cylinder pole 2 surface with nut 11 screw thread, establish to preventing losing 5 in the groove through preventing losing 10 covers of piece, through the free end department of nut top cap 7 screw thread installation to cylinder pole 2, install spacing allen screw 9 in through first spacing hole 6 and the spacing hole 8 internal thread of second, and then prevent to lead to bolt and nut 11 to lose because of using nut 11 not hard up for a long time, solved traditional bolt and nut and used the problem that the nut is not hard up for a long time and lead to the bolt to lose easily.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a prevent bolt of losing, includes bolt head (1), its characterized in that, cylinder pole (2) are installed in the top welding of bolt head (1), reinforcing plate (3) are installed in the top welding of bolt head (1), one side of reinforcing plate (3) is the welding installation setting with the surface of cylinder pole (2), and screw thread (4) have been seted up on the surface of cylinder pole (2), the surface of cylinder pole (2) has been seted up and has been prevented losing groove (5), cylinder pole (2) are kept away from the one end of cylinder pole (2) and have been seted up first spacing hole (6), first spacing hole (6) transversely run through cylinder pole (2) and extend to the outside of cylinder pole (2), nut top cap (7) are installed to the top screw of cylinder pole (2), second spacing hole (8) have been seted up to the preceding lateral wall of nut top cap (7), spacing interior hexagonal screw (2) and first spacing hole (6) internal thread are installed spacing (8), (the (6) of spacing 9) The anti-loss groove (5) is internally sleeved with an anti-loss piece (10), a nut (11) is arranged at the surface thread (4) of the cylindrical rod (2) in a threaded manner, and a gasket (12) is sleeved on the surface of the cylindrical rod (2) in a movable manner.

2. An anti-lost bolt according to claim 1 wherein said reinforcing plates (3) are right triangular in number in groups and arranged in an annular array.

3. The anti-lost bolt according to claim 1, characterized in that the first limiting hole (6) and the second limiting hole (8) are correspondingly arranged, and the first limiting hole (6) and the second limiting hole (8) are matched with the limiting socket head cap screw (9).

4. The anti-lost bolt according to claim 1, characterized in that the anti-lost sheet (10) is in the shape of a circular ring, and the anti-lost sheet (10) is provided with an opening.

5. An anti-lost bolt according to claim 1, characterized in that the inner diameter of the anti-lost piece (10) is larger than the diameter of the anti-lost groove (5) and smaller than the diameter of the cylindrical rod (2).

6. Anti-lost bolt according to claim 1, characterised in that the washer (12) is cylindrical and the inner diameter of the washer (12) is equal to the diameter of the cylindrical shank (2).