CN212079902U

CN212079902U - Anti-loose anti-theft nut after being screwed up

Info

Publication number: CN212079902U
Application number: CN202020589511.2U
Authority: CN
Inventors: 江海春; 娄诗烨
Original assignee: Zhejiang Zhongdian Anti Theft Fastener Co ltd
Current assignee: Zhejiang Zhongdian Anti Theft Fastener Co ltd
Priority date: 2020-04-20
Filing date: 2020-04-20
Publication date: 2020-12-04
Anticipated expiration: 2030-04-20

Abstract

The utility model discloses a locking antitheft nut in back of screwing up, the electric iron comprises a screw rod, be provided with the screw rod screw thread on the screw rod, and seted up the blind hole on the screw rod, screw rod outer wall cover is equipped with the isolating ring, and the screw rod inserts and establish on mechanical workpiece to the mechanical workpiece top is provided with the rubber pad, screw rod outer wall threaded connection has antitheft nut, and the antitheft nut inner wall is provided with the nut screw thread, nut screw thread top is provided with the sleeve, connecting rod one side is provided with the inserted bar, and the inserted bar setting is inside the blind hole of screw rod, the inside coupling spring that is provided with of sleeve, and coupling spring one side is connected with the. This locking antitheft nut in back of screwing up sets up the inserted bar that can the adjusting position through the inner wall at antitheft nut, makes antitheft nut and screw rod be connected the back, and the inserted bar inserts inside the blind hole on screw rod surface to highly fixing antitheft nut, the prevention antitheft nut is not hard up, guarantees the security that antitheft nut used.

Description

Anti-loose anti-theft nut after being screwed up

Technical Field

The utility model relates to a nut equipment technical field specifically is a tighten the locking antitheft nut in back.

Background

The nut is a nut and is screwed together with a bolt or a screw rod to play a role in fastening, and an element which is necessary for all production and manufacturing machines is divided into carbon steel, stainless steel, non-ferrous metal (such as copper) and other types according to different materials; the nut is a part for tightly connecting mechanical equipment, and can be connected with a nut and a bolt with the same specification only through the inner threads, for example, the nut of M4-P0.7 can be connected with the bolt of M4-P0.7 series (in the nut, M4 means that the inner diameter of the nut is about 4mm, and 0.7 means that the distance between two threads is 0.7 mm); also, for aesthetic products, nuts such as 1/4-20 can only fit screws 1/4-20 (1/4 means that the inner diameter of the nut is about 0.25 inch, and 20 means that there are 20 teeth per inch).

The anti-theft nut is one kind of nut, and current anti-theft nut can appear not hard up phenomenon because of anti-theft nut warp, receive the interior not enough reasons such as pretension in the use to influence the security of using, need improve.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a screw up locking antitheft nut in back to the easy not hard up problem in the antitheft nut use that provides in solving above-mentioned background art.

In order to achieve the purpose, the utility model provides a following technical scheme, a tighten the locking antitheft nut in back, including screw rod and supporting spring, be provided with the screw rod screw thread on the screw rod, and seted up the blind hole on the screw rod, screw rod outer wall threaded connection has antitheft nut, and the antitheft nut inner wall is provided with the nut screw thread, nut screw thread top is provided with the sleeve, and inserts on one side of the sleeve and be equipped with the connecting rod, connecting rod one side is provided with the inserted bar, and the inserted bar inserts inside the blind hole of establishing at the screw rod, the inside connecting spring that is provided with of sleeve, and connecting spring one side is connected with the connecting rod.

Preferably, the outer wall of the screw rod is sleeved with an isolating ring, the screw rod is arranged on a mechanical workpiece, and a rubber pad is arranged at the top of the mechanical workpiece.

Preferably, the supporting spring is sleeved on the outer wall of the screw rod, and the supporting spring is not fixed in contact with the anti-theft nut.

Preferably, the top end of the rubber pad is connected with a supporting spring, and the top of the supporting spring is attached to the bottom of the anti-theft nut.

Preferably, openings are formed in the upper end and the lower end of the sleeve, and sliding blocks are inserted into the openings.

Preferably, the sliders are distributed in an up-and-down symmetrical manner about a bisector of the connecting rod, and the connecting rod and the sliders are welded and fixed.

Compared with the prior art, the beneficial effects of the utility model are that: this locking antitheft nut in back of screwing up sets up the inserted bar that can the adjusting position through the inner wall at antitheft nut, makes antitheft nut and screw rod be connected the back, and the inserted bar inserts inside the blind hole on screw rod surface to highly fixing antitheft nut, the prevention antitheft nut is not hard up, guarantees the security that antitheft nut used.

Drawings

FIG. 1 is a schematic structural view of a locking anti-theft nut of the utility model after being screwed;

fig. 2 is an enlarged schematic structural view of a position a in fig. 1 of the anti-loosening anti-theft nut after being screwed down according to the present invention;

FIG. 3 is a top view of the anti-theft nut of the anti-loose anti-theft nut after being tightened;

fig. 4 is an enlarged schematic structural view of the position B in fig. 3 of the anti-loose anti-theft nut after being screwed down.

In the figure: 1. mechanical workpiece, 2, screw rod, 3, supporting spring, 4, screw rod thread, 5, antitheft nut, 6, nut thread, 7, rubber pad, 8, inserted bar, 9, connecting rod, 10, sleeve, 11, slide block, 12, connecting spring and 13 isolating ring.

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. 1-4, the present invention provides a technical solution: a locking anti-theft nut after being screwed comprises a screw rod 2, a screw rod thread 4 is arranged on the screw rod 2, the screw rod 2 and the screw rod thread 4 are connected into a whole, a blind hole is formed in the screw rod 2 and is formed between intervals of the screw rod thread 4, an isolating ring 13 is sleeved on the outer wall of the screw rod 2, the isolating ring 13 can be placed inside the anti-theft nut 5 when the anti-theft nut 5 and the screw rod 2 are connected in a rotating mode, the isolating ring 13 is supported at an inserted link 8, the isolating ring 13 is of an unsealed structure and is convenient to take out, the anti-theft nut 5 and the screw rod 2 can be normally connected and cannot be influenced by the inserted link 8, the screw rod 2 is arranged on a mechanical workpiece 1, a rubber pad 7 is arranged at the top of the mechanical workpiece 1; the top end of the rubber pad 7 is connected with the supporting spring 3, the supporting spring 3 is fixedly connected with the rubber pad 7 through glue, the top of the supporting spring 3 is attached to the bottom of the antitheft nut 5, and the rubber pad 7 and the inserted rod 8 can play a double fixing role; the supporting spring 3 is sleeved on the outer wall of the screw rod 2, and the supporting spring 3 is not fixed in contact with the antitheft nut 5; the outer wall of the screw rod 2 is in threaded connection with an anti-theft nut 5, the inner wall of the anti-theft nut 5 is provided with a nut thread 6, the anti-theft nut 5 and the nut thread 6 are connected into a whole, an invagination structure is arranged above the nut thread 6 on the inner wall of the anti-theft nut 5, a sleeve 10 is conveniently arranged, the sleeve 10 is arranged above the nut thread 6, the sleeve 10 is not in contact with the nut thread 6, a connecting rod 9 is inserted into one side of the sleeve 10, the right side of the sleeve 10 is movably connected with the connecting rod 9, an inserting rod 8 is arranged on one side of the connecting rod 9, the right side of the connecting rod 9 is welded with the inserting rod 8, the inserting rod 8 is inserted into a blind hole of the screw rod 2, a connecting spring 12 is arranged inside the sleeve 10, the sleeve 10 is in a hollow structure, the; openings are formed in the upper end and the lower end of the sleeve 10, sliding blocks 11 are inserted into the openings, and the sliding blocks 11 are connected at the openings in a sliding mode; the sliding blocks 11 are vertically and symmetrically distributed about the bisector of the connecting rod 9, and the connecting rod 9 and the sliding blocks 11 are welded and fixed, so that the sliding blocks 11 can be pushed to drive the connecting rod 9 to extend and retract inside the sleeve 10; this locking antitheft nut in back of screwing up sets up the inserted bar 8 that can the adjusting position through the inner wall at antitheft nut 5, makes antitheft nut 5 be connected the back with screw rod 2, and inside inserted bar 8 inserted the blind hole on screw rod 2 surface to highly fixing antitheft nut 5, prevention antitheft nut 5 is not hard up, guarantees the security that antitheft nut 5 used.

The working principle is as follows: when the anti-theft nut with the tightened anti-loose function is used, firstly, the device is simply known, after the knowledge is known, important part parts of the device are checked, after the checking is carried out, the anti-theft nut is formally used, when the anti-theft nut is used, firstly, the screw rod 2 is inserted into the mechanical workpiece 1, then, the supporting spring 3 and the rubber pad 7 are sleeved on the outer wall of the screw rod 2, then, the isolating ring 13 is placed into the anti-theft nut 5, the inserting rod 8 on the inner wall of the anti-theft nut 5 is supported on the isolating ring 13, the inserting rod 8 is separated from the screw rod 2 by the isolating ring 13, then, the anti-theft nut 5 is connected with the screw rod 2, the anti-theft nut 5 is rotated, the anti-theft nut 5 is made to approach to the supporting spring 3, the supporting spring 3 is extruded to a proper position by the anti-theft nut 5, after the position of the anti-theft nut 5 is adjusted, the isolating, the inserted bar 8 of 5 inner walls of antitheft nut enters into the blind hole of 2 outer walls of screw rod under the support of coupling spring 12, consolidate antitheft nut 5, consolidate and accomplish the back, if need dismantle antitheft nut 5, then can promote slider 11 to both sides, make slider 11 drive connecting rod 9 and get into the inside of sleeve 10, inserted bar 8 leaves screw rod 2, reuse isolating ring 13 keeps apart inserted bar 8 and screw rod 2 after that, it can to rotate antitheft nut 5 at last and take off it, this is exactly this operating principle who screws up the back locking antitheft nut.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a locking antitheft nut in back of screwing up, includes screw rod (2) and supporting spring (3), its characterized in that: be provided with screw rod screw thread (4) on screw rod (2), and seted up the blind hole on screw rod (2), screw rod (2) outer wall threaded connection has antitheft nut (5), and antitheft nut (5) inner wall is provided with nut screw thread (6), nut screw thread (6) top is provided with sleeve (10), and inserts on one side of sleeve (10) and be equipped with connecting rod (9), connecting rod (9) one side is provided with inserted bar (8), and inserted bar (8) insert and establish inside the blind hole of screw rod (2), sleeve (10) inside is provided with connecting spring (12), and connecting spring (12) one side is connected with connecting rod (9).

2. The anti-theft nut capable of preventing loosening after being tightened according to claim 1, wherein: the outer wall of the screw rod (2) is sleeved with an isolating ring (13), the screw rod (2) is arranged on the mechanical workpiece (1), and the top of the mechanical workpiece (1) is provided with a rubber pad (7).

3. The anti-theft nut capable of preventing loosening after being tightened according to claim 1, wherein: the supporting spring (3) is sleeved on the outer wall of the screw rod (2), and the supporting spring (3) is not fixed in contact with the anti-theft nut (5).

4. The anti-theft nut capable of preventing loosening after being tightened according to claim 2, wherein: the top end of the rubber pad (7) is connected with a supporting spring (3), and the top of the supporting spring (3) is attached to the bottom of the anti-theft nut (5).

5. The anti-theft nut capable of preventing loosening after being tightened according to claim 1, wherein: openings are formed in the upper end and the lower end of the sleeve (10), and sliding blocks (11) are inserted into the openings.

6. The anti-theft nut capable of preventing loosening after being tightened according to claim 5, wherein: the sliding blocks (11) are distributed in an up-and-down symmetrical mode about the bisector of the connecting rod (9), and the connecting rod (9) and the sliding blocks (11) are fixed in a welded mode.