CN217502244U - Anti-theft nut - Google Patents

Abstract

The utility model discloses an antitheft nut, including screw rod, draw-in groove, first internal thread pipe, locking pipe, first blind hole, first through-hole, second blind hole, kelly, second spacing ring, gag lever post, spring, second internal thread pipe, first internal thread pipe up end is equipped with coaxial locking pipe, and first internal thread pipe up end is articulated with locking pipe lower terminal surface, and locking pipe up end is equipped with coaxial second internal thread pipe, and locking pipe up end is articulated with second internal thread pipe lower terminal surface, and locking pipe outer pipe wall is equipped with the first blind hole of a plurality of, and locking pipe inner pipe wall is equipped with a plurality of second blind hole. The utility model discloses simple structure, reasonable in design can make the nut possess good theftproof performance after the installation is accomplished.

Description

Anti-theft nut

[ technical field ] A method for producing a semiconductor device

The utility model relates to a technical field of nut, especially a technical field of theftproof nut.

[ background of the invention ]

The nut is a nut, and is screwed together with a bolt or a screw rod to play a role in fastening, and one 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 conventional nut cannot be locked after being tightened, so that it is necessary to provide an antitheft nut.

[ Utility model ] content

The utility model aims at solving the problem in the prior art and providing a theftproof nut, which can ensure that the nut has good theftproof performance after the installation is completed.

In order to achieve the above object, the utility model provides an anti-theft nut, which comprises a screw rod, a clamping groove, a first inner threaded pipe, a locking pipe, a first blind hole, a first through hole, a second blind hole, a clamping rod, a second limiting ring, a limiting rod, a spring and a second inner threaded pipe, wherein the upper end surface of the first inner threaded pipe is provided with the coaxial locking pipe, the upper end surface of the first inner threaded pipe is hinged with the lower end surface of the locking pipe, the upper end surface of the locking pipe is provided with the coaxial second inner threaded pipe, the upper end surface of the locking pipe is hinged with the lower end surface of the second inner threaded pipe, the outer wall of the locking pipe is provided with a plurality of first blind holes, the inner wall of the locking pipe is provided with a plurality of second blind holes, the plurality of first blind holes and the plurality of second blind holes are in one-to-one correspondence, the first through hole is connected between the bottom of the first blind holes and the bottom of the second blind holes, the clamping rod is arranged in the first through hole, the second limiting ring is sleeved on the clamping rod, the second limiting ring is arranged in the second blind hole, even there is the spring between second spacing ring and the second blind hole bottom, and the gag lever post is established at the kelly right-hand member face, and the gag lever post is perpendicular with the kelly, and the gag lever post is established at first blind hole, and the screw rod is twisted at first internal thread pipe, second internal thread pipe inner hole, and the screw rod lateral wall is equipped with a plurality of draw-in groove, draw-in groove and kelly one-to-one.

Preferably, the first blind hole, the first through hole and the second blind hole are all radially arranged and are coaxial.

Preferably, the second blind hole inner hole is provided with a coaxial first limiting ring, the first limiting ring is arranged on the left side of the second limiting ring, and the left end of the clamping rod penetrates through the first limiting ring inner hole.

Preferably, the upper end and the lower end of the locking pipe are coaxial with the hinge axis of the first internal threaded pipe and the hinge axis of the second internal threaded pipe, and the hinge axis of the first internal threaded pipe and the hinge axis of the second internal threaded pipe are coaxial with the first internal threaded pipe and the second internal threaded pipe.

Preferably, the inner diameter of the locking pipe is larger than the inner diameters of the first internal thread pipe and the second internal thread pipe, and the outer diameter of the locking pipe is smaller than the outer diameters of the first internal thread pipe and the second internal thread pipe.

Preferably, the outer wall of the locking pipe is sleeved with a coaxial rubber hose.

Preferably, the spring is in a compressed state.

Preferably, the limiting rod is made of magnetic metal or a magnet.

The utility model has the advantages that: the utility model has simple structure and reasonable design, and can ensure that the nut has good anti-theft performance after being installed; the clamping rod can be automatically clamped into the clamping groove by arranging the spring in a compressed state; through the arrangement of the limiting rod and the first blind hole, the anti-theft nut consisting of the first internal thread pipe, the locking pipe and the second internal thread pipe cannot be blocked in the screwing process on the screw rod; the rubber hose is arranged, so that the locking pipe can be protected, the service life of the locking pipe is prolonged, meanwhile, the rubber hose can block the first blind hole, the limiting rod cannot accidentally enter the first blind hole in the working process of the anti-theft nut, and the stability and effectiveness of the operation of the clamping rod are ensured; through the gag lever post that sets up magnetic metal or magnet, make the antitheft nut not with the help of magnet, antitheft nut self can't be twisted off by oneself, and the thief also is difficult for thinking simultaneously and dismantles the nut through magnet, has strengthened the theftproof nature of nut.

The features and advantages of the present invention will be described in detail by embodiments with reference to the accompanying drawings.

[ description of the drawings ]

Fig. 1 is a front view of the anti-theft nut of the present invention.

[ detailed description ] embodiments

Referring to fig. 1, the utility model relates to an anti-theft nut, which comprises a screw rod 1, a clamping groove 11, a first inner threaded tube 2, a locking tube 3, a first blind hole 31, a first through hole 311, a second blind hole 312, a clamping rod 32, a second limiting ring 321, a limiting rod 322, a spring 33 and a second inner threaded tube 4, wherein the upper end surface of the first inner threaded tube 2 is provided with the coaxial locking tube 3, the upper end surface of the first inner threaded tube 2 is hinged with the lower end surface of the locking tube 3, the upper end surface of the locking tube 3 is provided with the coaxial second inner threaded tube 4, the upper end surface of the locking tube 3 is hinged with the lower end surface of the second inner threaded tube 4, the outer wall of the locking tube 3 is provided with a plurality of first blind holes 31, the inner wall of the locking tube 3 is provided with a plurality of second blind holes 312, the plurality of first blind holes 31 and the plurality of second blind holes 312 are in one-to-one correspondence, the first through hole 311 is connected between the bottom of the first blind holes 31 and the bottom of the second blind holes 312, the clamping rod 32 is arranged in the first through hole 311, second spacing ring 321 overlaps on kelly 32, second spacing ring 321 is established in second blind hole 312, even there is spring 33 between second spacing ring 321 and the second blind hole 312 hole bottom, gag lever post 322 is established at kelly 32 right-hand member face, gag lever post 322 is perpendicular with kelly 32, gag lever post 322 is established at first blind hole 31 hole, screw rod 1 is twisted at first internal thread pipe 2, second internal thread pipe 4 holes, screw rod 1 lateral wall is equipped with a plurality of draw-in groove 11, draw-in groove 11 and kelly 32 one-to-one.

The first blind hole 31, the first through hole 311 and the second blind hole 312 are all arranged in the radial direction, and the first blind hole 31, the first through hole 311 and the second blind hole 312 are all coaxial.

The inner hole of the second blind hole 312 is provided with a coaxial first limit ring 313, the first limit ring 313 is arranged on the left side of the second limit ring 321, and the left end of the clamping rod 32 passes through the inner hole of the first limit ring 313.

The upper end and the lower end of the locking pipe 3 are coaxial with the hinge axis of the first internal thread pipe 2 and the hinge axis of the second internal thread pipe 4, and the first internal thread pipe 2 and the second internal thread pipe 4 are coaxial.

Wherein, the internal diameter of the locking pipe 3 is larger than the internal diameters of the first internal thread pipe 2 and the second internal thread pipe 4, and the external diameter of the locking pipe 3 is smaller than the external diameters of the first internal thread pipe 2 and the second internal thread pipe 4.

Wherein, the outer pipe wall of the locking pipe 3 is sleeved with a coaxial rubber hose 30.

Wherein the spring 33 is in a compressed state.

The limiting rod 322 is made of magnetic metal or a magnet.

The utility model discloses the working process:

the utility model relates to an anti-theft nut in the working process;

mounting step

The first step is as follows: screwing an anti-theft nut consisting of a first internal threaded pipe 2, a locking pipe 3 and a second internal threaded pipe 4 on the screw rod 1;

the second step is that: after the anti-theft nut is screwed in place, the locking pipe 3 is rotated to enable the clamping grooves 11 to correspond to the clamping rods 32 one by one;

the third step: the limiting rod 322 is rotated to enable the limiting rod 322 to face the first through hole 311, then under the action of the spring 33, the limiting rod 322 can sink into the first through hole 311, and meanwhile, the clamping rod 32 can be clamped into the clamping groove 11;

the fourth step: the rubber hose 30 is sleeved on the outer wall of the locking pipe 3.

Disassembling step

The first step is as follows: the rubber hose 30 is taken off from the outer wall of the locking pipe 3;

the second step is that: the limiting rod 322 is made of magnetic metal or magnet, the limiting rod 322 is sucked out of the first through hole 311 by the magnet, and then the limiting rod 322 is rotated to enable the limiting rod 322 to be pressed at the bottom of the first blind hole 31 again, and at the moment, the clamping rod 32 is far away from the clamping groove 11;

the third step: the anti-theft nut is unscrewed from the screw 1.

The utility model has simple structure and reasonable design, and can ensure that the nut has good anti-theft performance after being installed; the clamping rod 32 can be automatically clamped into the clamping groove 11 by arranging the spring 33 in a compressed state; through the arrangement of the limiting rod 322 and the first blind hole 31, the anti-theft nut consisting of the first internal thread tube 2, the locking tube 3 and the second internal thread tube 4 cannot be blocked in the screwing process on the screw rod 1; by arranging the rubber hose 30, the locking pipe 3 can be protected, the service life of the locking pipe 3 is prolonged, meanwhile, the rubber hose 30 can block the first blind hole 31, the limiting rod 322 is prevented from accidentally entering the first blind hole 31 in the working process of the anti-theft nut, and the stability and effectiveness of the operation of the clamping rod 32 are ensured; through the gag lever post 322 that sets up magnetic metal or magnet, make the antitheft nut not with the help of magnet, antitheft nut self can't be twisted off by oneself, and the thief also is difficult for thinking of dismantling the nut through magnet simultaneously, has strengthened the theftproof nature of nut.

The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any right the scheme after the simple transform of the utility model all belongs to the protection scope of the utility model.

Claims (8)

1. An anti-theft nut is characterized in that: comprises a screw rod (1), a clamping groove (11), a first internal thread pipe (2), a locking pipe (3), a first blind hole (31), a first through hole (311), a second blind hole (312), a clamping rod (32), a second limiting ring (321), a limiting rod (322), a spring (33) and a second internal thread pipe (4), wherein the upper end surface of the first internal thread pipe (2) is provided with the coaxial locking pipe (3), the upper end surface of the first internal thread pipe (2) is hinged with the lower end surface of the locking pipe (3), the upper end surface of the locking pipe (3) is provided with the coaxial second internal thread pipe (4), the upper end surface of the locking pipe (3) is hinged with the lower end surface of the second internal thread pipe (4), the outer wall of the locking pipe (3) is provided with a plurality of first blind holes (31), the inner wall of the locking pipe (3) is provided with a plurality of second blind holes (312), and the plurality of first blind holes (31) and the second blind holes (312) are in one-to-one correspondence, even have first through-hole (311) between first blind hole (31) hole bottom and second blind hole (312) hole bottom, be equipped with kelly (32) in first through-hole (311), second spacing ring (321) cover is on kelly (32), establish in second blind hole (312) second spacing ring (321), even have spring (33) between second spacing ring (321) and second blind hole (312) hole bottom, establish on kelly (32) right-hand member face gag lever post (322), gag lever post (322) are perpendicular with kelly (32), gag lever post (322) are established in first blind hole (31) hole, screw rod (1) is twisted in first internal thread pipe (2), second internal thread pipe (4) hole, screw rod (1) lateral wall is equipped with a plurality of draw-in groove (11), draw-in groove (11) and kelly (32) one-to-one.

2. The antitheft nut of claim 1, characterized in that: first blind hole (31), first through-hole (311), second blind hole (312) all radially set up, and first blind hole (31), first through-hole (311), second blind hole (312) are all coaxial.

3. A theft-proof nut, as claimed in claim 1, wherein: the inner hole of the second blind hole (312) is provided with a coaxial first limiting ring (313), the first limiting ring (313) is arranged on the left side of the second limiting ring (321), and the left end of the clamping rod (32) penetrates through the inner hole of the first limiting ring (313).

4. A theft-proof nut, as claimed in claim 1, wherein: the upper end and the lower end of the locking pipe (3) are coaxial with the first internal threaded pipe (2) and the second internal threaded pipe (4) through the hinged axis of the first internal threaded pipe (2) and the second internal threaded pipe (4).

5. A theft-proof nut, as claimed in claim 1, wherein: the inner diameter of the locking pipe (3) is larger than the inner diameters of the first internal thread pipe (2) and the second internal thread pipe (4), and the outer diameter of the locking pipe (3) is smaller than the outer diameters of the first internal thread pipe (2) and the second internal thread pipe (4).

6. A theft-proof nut, as claimed in claim 1, wherein: the outer pipe wall of the locking pipe (3) is sleeved with a coaxial rubber hose (30).

7. A theft-proof nut, as claimed in claim 1, wherein: the spring (33) is in a compressed state.

8. A theft-proof nut, as claimed in claim 1, wherein: the limiting rod (322) is made of magnetic metal or a magnet.

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