CN208982434U

CN208982434U - Anti-theft bolt and its associated spanner

Info

Publication number: CN208982434U
Application number: CN201821746051.9U
Authority: CN
Inventors: 周雷; 荆宝军; 周志军
Original assignee: Solid Fastening Systems Co Ltd
Current assignee: Solid Fastening Systems Co Ltd
Priority date: 2018-10-26
Filing date: 2018-10-26
Publication date: 2019-06-14
Anticipated expiration: 2028-10-26

Abstract

The utility model discloses a kind of anti-theft bolt and its associated spanners, belong to technical field of fastening, and anti-theft bolt includes screw rod and the nut set on screw tip, and screw surface is equipped with external screw thread, and nut top surface is equipped with groove, the antitheft column of protrusion is equipped in the middle part of groove；Groove inner wall is equipped with multiple fins, and antitheft column is surrounded by multiple corner angle, and corner angle are identical as the quantity of fin, and the corner angle of antitheft column and the fin of groove are corresponding.It include spanner handle and driving end with the matching used spanner of anti-theft bolt, driving end includes with the consistent boss of fin quantity, and card slot cooperation on boss and nut between adjacent fin, the middle part of driving end is equipped with the blind hole cooperated with antitheft column.The utility model dismantles anti-theft bolt using matched spanner, and stability and matching are good, fin while increasing torque, can also play the role of it is anti-skidding, effectively prevent theft accident occur, avoid property loss.

Description

Anti-theft bolt and its associated spanner

Technical field

The utility model belongs to technical field of fastening more particularly to a kind of anti-theft bolt and its associated spanner.

Background technique

Communication, electric power, railway infrastructure on, largely fastened using screw, bolt.Due to common bolt The phenomenon that being unscrewed using conventional tool, therefore stealing part in infrastructure or equipment by knockout screw, bolt, is very It is rampant.Existing anti-theft bolt, the structure that generallys use welding or cannot unclamp after tightening are antitheft to realize.Although can prevent It steals, but inconvenience replaces the facility part of damage, also inconvenient periodic inspection, practicability are poor.

Utility model content

The purpose of the utility model is to provide a kind of anti-theft bolt and its associated spanners, it is intended to solve it is above-mentioned in the prior art The technical issues of anti-theft bolt is inconvenient to dismantle, inconvenient maintenance of equipment replacement.

In order to solve the above technical problems, technical solution adopted in the utility model is:

A kind of anti-theft bolt including screw rod and is set to the nut of screw tip, and the surface of the screw rod is equipped with external screw thread, The top surface of the nut is equipped with groove, and the middle part of the groove is equipped with the antitheft column of protrusion；The inner wall of the groove is equipped with more A fin, the antitheft column are surrounded by multiple corner angle, and the corner angle are identical as the quantity of fin, the corner angle of the antitheft column It is corresponding with the fin of groove.

Preferably, it is set on the inner wall of the groove there are six fin, the antitheft column is surrounded by six corner angle.

Preferably, six fins are distributed on groove inner wall, and six corner angle are distributed in the surrounding of antitheft column.

Preferably, the card slot in the groove between two neighboring fin is rectangle；The cross section of the antitheft column is hexagonal Shape.

Preferably, gap, the middle part of the corner angle face fin are equipped between the top and corner angle of the fin.

Preferably, 2 α of two sides angle of the fin is 64 °, and the spacing L of two neighboring fin is 1.5mm；Antitheft column Two neighboring corner angle side angle β be 124 °.

The utility model also provide it is a kind of with the matching used spanner of above-mentioned anti-theft bolt, the spanner include spanner handle and Driving end, the driving end include matching with the consistent boss of fin quantity, the card slot on the boss and nut between adjacent fin It closes, the middle part of the driving end is equipped with the blind hole cooperated with antitheft column.

Preferably, the centre of the spanner handle is equipped with the clamping slot cooperated with force application means.

The beneficial effects of adopting the technical scheme are that compared with prior art, the utility model has knot The advantages of structure is simple, good anti-theft effect, dismantles anti-theft bolt using matched spanner, fin is increasing the same of torque When, can also it play the role of anti-skidding.Theft accident can be effectively prevent to occur using the utility model, avoid property loss.This Utility model facilitates installing and dismounting, and stability and matching are good, facilitates popularization and application.

Detailed description of the invention

Utility model will be further described in detail below with reference to the attached drawings and specific embodiments.

Fig. 1 is a kind of structural schematic diagram of anti-theft bolt provided by the embodiment of the utility model；

Fig. 2 is a kind of structural schematic diagram with the matching used spanner of anti-theft bolt provided by the utility model；

Fig. 3 is the top view of nut in Fig. 1；

In figure: 1- screw rod, 2- nut, 3- external screw thread, 4- recessed portion, the antitheft column of 5-, 6- grip rib, 7- spanner handle, 8- are pulled At hand, 9- fin, 10- blind hole, 11- clamping slot.

Specific embodiment

Below with reference to the attached drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear Chu is fully described by, it is clear that and described embodiment is only a part of the embodiment of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

A kind of anti-theft bolt as shown in Figure 1,3, including screw rod 1 and the nut 2 being set at the top of screw rod 1, the screw rod 1 Surface be equipped with external screw thread, the top surface of the nut 2 is equipped with groove 3, and the middle part of the groove 3 is equipped with the antitheft column 4 of protrusion；Institute The inner wall for stating groove 3 is equipped with multiple fins 5, and the antitheft column 4 is surrounded by multiple corner angle 6, the corner angle 6 and fin 5 Quantity it is identical, the corner angle 6 of the antitheft column 4 are corresponding with the fin 5 of groove 3, convenient to cooperate with special spanner, play simultaneously Increase torque, prevent the effect skidded.

In a specific embodiment of the utility model, set on the inner wall of the groove 3 there are six fin 5, it is described anti- That steals column 4 is surrounded by six corner angle 6.Wherein, six fins 5 are distributed on 3 inner wall of groove, and six corner angle 6 are distributed in antitheft The surrounding of column 4.It is antitheft using the progress of antitheft column, facilitate application torque to be loaded and unloaded by fin.

In a specific embodiment of the utility model, the card slot in the groove 3 between two neighboring fin 5 is square Shape；The cross section of the antitheft column 4 is hexagon.According to specific size, triangle, quadrangle or pentagon also can be selected.

Preferably, gap is equipped between the top and corner angle 6 of the fin 5, it is convenient to be corresponding to it in processing and fabricating spanner Several boss be connected as one；The middle part of the 6 face fin 5 of corner angle.

In a specific embodiment of the utility model, 2 α of two sides angle of the fin 5 is 64 °, two neighboring The spacing L of fin 5 is 1.5mm；The side angle β of the two neighboring corner angle 6 of antitheft column 4 is 124 °.

The utility model also provides a kind of and matching used spanner of above-mentioned anti-theft bolt, and the spanner includes spanner handle 7 With driving end 8, the driving end 8 include with the consistent boss 9 of 5 quantity of fin, on the boss 9 and nut 2 between adjacent fin 5 Card slot cooperation, the middle part of the driving end 8 is equipped with the blind hole 10 cooperated with antitheft column 4.

In a specific embodiment of the utility model, the centre of the spanner handle 7 is equipped with to be cooperated with force application means Clamping slot 11.With guarantee spanner with the stability in anti-theft bolt engagement process.

In conclusion the spanner and anti-theft bolt using the utility model cooperate, antitheft purpose, structure can be realized It is simple and novel, facilitate production to process, cooperation handling are efficient and convenient, and it can effectively reduce the probability that theft occurs, avoid property loss, Guarantee equipment operational safety.

Elaborate many details in the above description in order to fully understand the utility model, but this is practical new Type can also be implemented using other than the one described here other way, and those skilled in the art can be without prejudice to this reality With doing similar popularization in the case where novel intension, therefore the utility model is not limited by particular embodiments disclosed above.

Claims

1. a kind of anti-theft bolt, including screw rod and it is set to the nut of screw tip, the surface of the screw rod is equipped with external screw thread, Be characterized in that: the top surface of the nut is equipped with groove, and the middle part of the groove is equipped with the antitheft column of protrusion；The inner wall of the groove Multiple fins are equipped with, the antitheft column is surrounded by multiple corner angle, and the corner angle are identical as the quantity of fin, described antitheft The corner angle of column and the fin of groove are corresponding.

2. a kind of anti-theft bolt according to claim 1, it is characterised in that: convex there are six being set on the inner wall of the groove Rib, the antitheft column are surrounded by six corner angle.

3. a kind of anti-theft bolt according to claim 2, it is characterised in that: six fins are distributed on groove inner wall, and six A corner angle are distributed in the surrounding of antitheft column.

4. a kind of anti-theft bolt according to claim 3, it is characterised in that: the card in the groove between two neighboring fin Slot is rectangle；The cross section of the antitheft column is hexagon.

5. a kind of anti-theft bolt according to claim 1, it is characterised in that: between being equipped between the top and corner angle of the fin Gap, the middle part of the corner angle face fin.

6. a kind of anti-theft bolt according to claim 4, it is characterised in that: 2 α of two sides angle of the fin is 64 °, The spacing L of two neighboring fin is 1.5mm；The side angle β of the two neighboring corner angle of antitheft column is 124 °.

7. a kind of spanner, it is characterised in that: the spanner is matched with anti-theft bolt described in claim 1-6, described to pull Hand includes spanner handle and driving end, the driving end include with the consistent boss of fin quantity, the boss is adjacent on nut Card slot cooperation between fin, the middle part of the driving end are equipped with the blind hole cooperated with antitheft column.

8. a kind of spanner according to claim 7, it is characterised in that: the centre of the spanner handle is equipped with matches with force application means The clamping slot of conjunction.