CN210509913U

CN210509913U - Anti-dismantling bolt structure

Info

Publication number: CN210509913U
Application number: CN201921048008.XU
Authority: CN
Inventors: 赵从云
Original assignee: Suzhou Dtflock Precision Fastener Co ltd
Current assignee: Suzhou Dtflock Precision Fastener Co ltd
Priority date: 2019-07-05
Filing date: 2019-07-05
Publication date: 2020-05-12
Anticipated expiration: 2029-07-05

Abstract

The utility model discloses a prevent tearing open bolt structure, the electric iron comprises a screw rod, the top fixedly connected with nut of screw rod, the surface of screw rod is from last to overlapping in proper order down and is equipped with gasket and nut, the surface cover of nut is equipped with can dismantle the piece, the top of nut sets up threaded hole, can dismantle the top of piece and set up flutedly, the inner chamber of recess is provided with the screw, the inner chamber that can dismantle the piece and extend to the screw hole is run through to the bottom of screw, can dismantle the top of piece and set up the groove of dismantling, the mounting hole that uses with the screw cooperation is seted up to the bottom of recess inner chamber, and the quantity of mounting hole is four, and the through-. The utility model discloses a set up screw rod, nut, gasket, nut, can dismantle piece, screw hole, recess, screw and dismantle the cooperation in groove and use, solved the current problem of preventing tearing open bolted construction and being not convenient for use, should prevent tearing open bolted construction, possess convenient to use's advantage, be worth promoting.

Description

Anti-dismantling bolt structure

Technical Field

The utility model relates to a bolt technical field specifically is an anti-disassembly bolt structure.

Background

Bolt: mechanical parts, cylindrical threaded fasteners with nuts, a type of fastener consisting of a head and a screw (1) which is a cylinder with external threads, need to be matched with the nuts, the bolt connection is a detachable connection, the connection bolt is a standard connection part which is often used in structural members, however, in the structures with special requirements, such as the stringing tower, the public guardrail and the connecting structure for preventing theft, a special bolt structure is needed to ensure theft prevention and disassembly prevention, the existing structure is single, the nut is designed into a nonstandard special shape, but the disassembly of the bolt also needs a disassembly wrench with a special shape, and the use is not facilitated.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent tearing open bolt structure possesses convenient to use's advantage, has solved the current problem of preventing tearing open the not convenient to use of bolt structure.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a prevent tearing open bolt structure, includes the screw rod, the top fixedly connected with nut of screw rod, the surface of screw rod is from last to overlapping in proper order down and is equipped with gasket and nut, the surface cover of nut is equipped with can dismantle the piece, the top set up threaded hole of nut, can dismantle the top of piece and set up flutedly, the inner chamber of recess is provided with the screw, the inner chamber that can dismantle the piece and extend to the screw hole is run through to the bottom of screw, can dismantle the top of piece and set up the dismantlement groove.

Preferably, the bottom of the inner cavity of the groove is provided with a mounting hole matched with a screw for use, and the surface of the gasket is provided with a through hole.

Preferably, the surface of the screw is provided with threads, and the connection part of the surface of the screw and the nut is connected through the threads.

Preferably, the number of the grooves is four, the number of the mounting holes is four, the number of the screws is four, and the number of the threaded holes is four. The grooves, the mounting holes, the screws and the threaded holes are in one-to-one correspondence.

Preferably, the surface of the detachable block is hexagonal, the top of the gasket is in contact with the nut, and the top of the nut is in contact with the detachable block.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a set up screw rod, nut, gasket, nut, can dismantle piece, screw hole, recess, screw and dismantle the cooperation in groove and use, solved the current problem of preventing tearing open bolted construction and being not convenient for use, should prevent tearing open bolted construction, possess convenient to use's advantage, be worth promoting.

2. The utility model discloses a set up the gasket, can increase fixed effect, through setting up the screw hole, the fixing of screw of can being convenient for, through setting up recess and mounting hole, the installation of the screw of can being convenient for, through setting up the screw, can be convenient for can dismantle the connection of piece and nut, through setting up the dismantlement groove, can conveniently dismantle the installation and the dismantlement of piece, through setting up the through-hole, the installation and the use of gasket of can being convenient for.

Drawings

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

FIG. 2 is a top view of the present invention;

fig. 3 is a partially enlarged view of a in fig. 1 according to the present invention.

In the figure: 1 screw rod, 2 nuts, 3 gaskets, 4 nuts, 5 detachable blocks, 6 threaded holes, 7 grooves, 8 screws, 9 detachable grooves, 10 mounting holes and 11 through holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a disassembly-preventing bolt structure comprises a screw rod 1, a nut 2 is fixedly connected to the top of the screw rod 1, a gasket 3 and a nut 4 are sequentially sleeved on the surface of the screw rod 1 from top to bottom, a detachable block 5 is sleeved on the surface of the nut 2, a threaded hole 6 is formed in the top of the nut 2, a groove 7 is formed in the top of the detachable block 5, a screw 8 is arranged in an inner cavity of the groove 7, the bottom of the screw 8 penetrates through the detachable block 5 and extends to the inner cavity of the threaded hole 6, a detachable groove 9 is formed in the top of the detachable block 5, a mounting hole 10 matched with the screw 8 is formed in the bottom of the inner cavity of the groove 7, the number of the mounting holes 10 is four, a through hole 11 is formed in the surface of the gasket 3, threads are formed in the surface of the screw rod 1, the joint of the surface of the screw, the number of the threaded holes 6 is four, the surface of the detachable block 5 is hexagonal, the top of the gasket 3 is in contact with the nut 2, the top of the nut 2 is in contact with the detachable block 5, the fixing effect can be increased by arranging the gasket 3, the fixing of the screw 8 can be facilitated by arranging the threaded hole 6, the installation of the screw 8 can be facilitated by arranging the groove 7 and the installation hole 10, the connection of the detachable block 5 and the nut 2 can be facilitated by arranging the screw 8, the installation and the disassembly of the detachable block 5 can be facilitated by arranging the disassembly groove 9, the installation and the use of the gasket 3 can be facilitated by arranging the through hole 11, the problem that the existing anti-disassembly bolt structure is inconvenient to use is solved by arranging the screw rod 1, the nut 2, the gasket 3, the nut 4, the detachable block 5, the threaded hole 6, the groove 7, the screw 8 and the disassembly groove 9, has the advantage of convenient use and is worth popularizing.

When the structure is used, when the whole bolt is not required to be disassembled, the screw 8 is rotated to enable the screw 8 to rotate and be separated from the threaded hole 6, then the screw 8 can be disassembled and taken out, at the moment, the detachable block 5 can be moved out from the surface of the nut 2, only a plurality of small threaded holes 6 are arranged at the top of the nut 2, and the other small threaded holes are smooth surfaces, so that the disassembly of an external tool can be prevented, when the whole bolt is required to be disassembled, the detachable block 5 is firstly sleeved on the surface of the nut 2, the groove 7 corresponds to the threaded hole 6, then the screw 8 is installed in the threaded hole 6 by penetrating through the installation hole 10, the fixed connection of the detachable block 5 and the nut 2 is completed, then the detachable block 5 can be rotated by using a spanner or a tool corresponding to the disassembly groove 9, the detachable block 5 can drive the nut 2 to rotate to complete the disassembly, the structure does not need to be disassembled by using a special disassembly tool, is convenient to use.

In summary, the following steps: this prevent tearing open bolt structure uses through the cooperation that sets up screw rod 1, nut 2, gasket 3, nut 4, can dismantle piece 5, screw hole 6, recess 7, screw 8 and dismantle groove 9, has solved the current problem of preventing tearing open bolt structure and not being convenient for use.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a prevent tearing open bolt structure, includes screw rod (1), its characterized in that: the top fixedly connected with nut (2) of screw rod (1), the surface of screw rod (1) is from last to overlapping in proper order down and is equipped with gasket (3) and nut (4), the surface cover of nut (2) is equipped with can dismantle piece (5), threaded hole (6) are seted up at the top of nut (2), the top of dismantling piece (5) is seted up fluted (7), the inner chamber of recess (7) is provided with screw (8), the inner chamber that can dismantle piece (5) and extend to screw hole (6) is run through to the bottom of screw (8), can dismantle the top of piece (5) and seted up dismantlement groove (9).

2. The tamper-evident bolt structure as defined in claim 1, wherein: the bottom of the inner cavity of the groove (7) is provided with a mounting hole (10) matched with the screw (8) for use, and the surface of the gasket (3) is provided with a through hole (11).

3. The tamper-evident bolt structure as defined in claim 1, wherein: the surface of the screw rod (1) is provided with threads, and the connection part of the surface of the screw rod (1) and the nut (4) is connected through the threads.

4. The tamper-proof bolt structure according to claim 2, wherein: the number of the grooves (7) is four, the number of the mounting holes (10) is four, the number of the screws (8) is four, and the number of the threaded holes (6) is four.

5. The tamper-evident bolt structure as defined in claim 1, wherein: the surface of the detachable block (5) is hexagonal, the top of the gasket (3) is in contact with the nut (2), and the top of the nut (2) is in contact with the detachable block (5).