CN212985779U

CN212985779U - A theftproof bolt for electric power engineering

Info

Publication number: CN212985779U
Application number: CN202021501086.3U
Authority: CN
Inventors: 李荣杰
Original assignee: Nanjing Yuanxuan Power Equipment Co ltd
Current assignee: Nanjing Yuanxuan Power Equipment Co ltd
Priority date: 2020-07-27
Filing date: 2020-07-27
Publication date: 2021-04-16
Anticipated expiration: 2030-07-27

Abstract

The utility model discloses a theftproof bolt for electric power engineering, including screw rod, counter sink, lug, spring, fixed axle, fixture block, nut, spiral shell piece, draw-in groove, interior hexagonal draw-in groove, the beneficial effects of the utility model are that: the anti-theft capacity of the bolt is improved, and the problem that the parts of the device are loosened due to the fact that the bolt is damaged by other people is avoided.

Description

A theftproof bolt for electric power engineering

Technical Field

The utility model relates to a relevant technical field of fastener specifically is a theftproof bolt for electric power engineering.

Background

The bolt is the standard part commonly used in life, be applied to each field, conventional bolt has a word, cross, or hexagon bolt, can dismantle using conventional instrument, however, some outdoor machinery, etc. are easily by artificial damage or theft, in addition, in some occasions that exist vibrations, the bolt that is used for the fastening often takes place to become flexible, cause the connection to throw off, the machine inefficacy, cause the incident even, it becomes very urgent for this reason to make the bolt that can effectively prevent becoming flexible, present bolt is basically all through the cover establish screw rod with fixed connection, can be according to the different regulation elasticity of fixed connection spare thickness, consequently, an anti-theft bolt is provided.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The to-be-solved technical problem of the utility model is: the anti-theft effect of the common bolt is poor.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: an anti-theft bolt for electric power engineering comprises a screw, a counter bore, a convex block, a spring, a fixed shaft, a clamping block, a nut, a screw block, a clamping groove and an inner hexagonal clamping groove;

the screw rod is inside to run through and to have seted up the counter bore, the counter bore front end is the circular port, and the rear end is seted up for the screw hole, and sets up to equilateral hexagonal hole in the middle of the centre, the lug front end sets up counter bore middle part equilateral hexagonal hole one end is close to screw thread one side, the fixed axle passes through the inside thread tightening of screw rod, the spring sets up lug and rear end fixed axle front end, the inside equilateral hexagonal hole front end inner circle that is close to of screw rod front end is equipped with a plurality of the fixture block, the nut cooperation sets up inside the screw rod front end inside the counter bore, the nut front end is equipped with the spiral shell piece, the nut front end is close to spiral shell piece one side is equipped with a plurality of draw-in grooves, the nut rear end is kept away from spiral shell piece one side.

Furthermore, the screw block is matched with the equilateral hexagonal hole in the middle of the counter bore inside the screw rod.

Furthermore, the clamping groove is matched with the clamping block.

Further, the external thread of the fixed shaft is matched with the internal thread of the screw rod.

(III) advantageous effects

The utility model provides a theftproof bolt for electric power engineering possesses following beneficial effect:

(1) after the bolt is fastened, the nut at the end part can be taken out, and the corresponding nut is not available, so that the bolt can be used for fastening a bolt

The bolt can not be taken out, so that the parts in the bolt can not be damaged or stolen by others.

Drawings

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

FIG. 2 is a view showing a usage state of the present invention;

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

fig. 4 is a schematic view of the screw structure of the present invention.

In the figure: 1-screw rod, 2-counter sink, 3-lug, 4-spring, 5-fixed shaft, 6-fixture block, 7-nut, 8-screw block, 9-clamp groove and 10-inner hexagonal clamp groove.

Detailed Description

In the following, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with 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, but not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without any inventive work belong to the scope of protection of the present invention, and in the description of the present invention, it is understood that the terms "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, this is merely for convenience in describing the invention and to simplify the description, and is not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be considered limiting of the invention.

First embodiment

Referring to fig. 1 and 2, an anti-theft bolt for electric power engineering includes a screw 1, a counter bore 2, a projection 3, a spring 4, a fixing shaft 5, a fixture block 6, a nut 7, a screw block 8, a slot 9, and an inner hexagonal slot 10;

1 inside counter bore 2 of having seted up that runs through of

screw rod

1, 2 front ends of counter bore are the circular port, the rear end is seted up and is the screw hole, and establish to equilateral hexagonal hole in the middle of the same, 3 front ends of lug set up and are close to screw one side in 2 middle part equilateral hexagonal hole one ends of counter bore, fixed axle 5 passes through 1 inside thread tightening of screw rod, spring 4 sets up at lug 3 and 5 front ends of rear end fixed axle, 1 inside equilateral hexagonal hole front end inner circle of being close to of front end of screw rod is equipped with a plurality of

fixture blocks

6, 7 cooperations of nut set up inside 2 of the inside counter bore of front end of

screw rod

1, 7 front ends of nut are equipped with

spiral shell piece

8, 7 front ends of nut are close to spiral shell piece 8 one side and are equipped with a plurality of

Second embodiment

Referring to fig. 1 to 2, the screw block 8 is matched with an equilateral hexagonal hole in the middle of the counter bore 2 inside the screw rod 1, the clamping groove 9 is matched with the clamping block 6, the external thread of the fixing shaft 5 is matched with the internal thread of the screw rod 1, and after the bolt is fastened, the nut at the end can be taken out, and the bolt cannot be taken out without a corresponding nut, so that the parts in the bolt can be prevented from being damaged or stolen by other people.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and therefore, the present invention is considered to be exemplary and not restrictive in any way, since the scope of the present invention is defined by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, without any reference thereto being construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a theftproof bolt for electric power engineering which characterized in that: comprises a screw rod (1), a counter bore (2), a convex block (3), a spring (4), a fixed shaft (5), a clamping block (6), a screw cap (7), a screw block (8), a clamping groove (9) and an inner hexagonal clamping groove (10);

the screw rod (1) is internally provided with the counter bore (2) in a penetrating manner, the front end of the counter bore (2) is a circular hole, the rear end of the counter bore (2) is provided with a threaded hole, an equilateral hexagonal hole is arranged in the middle of the screw rod, the front end of the lug (3) is arranged at one end of the equilateral hexagonal hole in the middle of the counter bore (2) and close to one side of the thread, the fixed shaft (5) is fixed by the internal thread of the screw rod (1), the spring (4) is arranged at the front end of the lug (3) and the rear end fixed shaft (5), the internal part of the front end of the screw rod (1) close to the inner ring of the front end of the equilateral hexagonal hole is provided with a plurality of clamping blocks (6), the nut (7) is arranged inside the front end of the screw rod (1) in a matching manner and inside the counter bore (2), the nut (7) is provided with the screw block (8), and the, the rear end of the screw cap (7) is far away from one side of the screw block (8) and is provided with the inner hexagonal clamping groove (10).

2. An antitheft bolt for electric power engineering as claimed in claim 1 wherein: the screw block (8) is matched with an equilateral hexagonal hole in the middle of the counter bore (2) inside the screw rod (1).

3. An antitheft bolt for electric power engineering as claimed in claim 1 wherein: the clamping groove (9) is matched with the clamping block (6).

4. An antitheft bolt for electric power engineering as claimed in claim 1 wherein: the external thread of the fixed shaft (5) is matched with the internal thread of the screw rod (1).