CN211924691U

CN211924691U - Anti-theft bolt suitable for various places needing bolt fastening

Info

Publication number: CN211924691U
Application number: CN202020459984.0U
Authority: CN
Inventors: 叶大土
Original assignee: Quzhou Zhenxiang Electric Equipment Co ltd
Current assignee: Quzhou Zhenxiang Electric Equipment Co ltd
Priority date: 2020-04-01
Filing date: 2020-04-01
Publication date: 2020-11-13
Anticipated expiration: 2030-04-01

Abstract

The utility model relates to a machine part technical field specifically is a be fit for various needs bolt-up place theftproof bolts, the last fixed surface of lead screw is connected with the bolt head, the inside swing joint of lead screw has the theftproof subassembly. The theftproof subassembly can play the theftproof effect better after the theftproof bolt application is on open-air facility, at first cup joints the fastening lid on the theftproof subassembly on drawing the fourth of twelve earthly branches pole, then with the spacing downthehole of the fixed block of spacing post on the fastening lid on the bolt head, with the meshing of the first tooth on the second tooth on the fastening lid and the bolt head simultaneously, then with fastening nut twist on drawing the fourth of twelve earthly branches pole, then screw up the fastening lid through the spanner and fasten the lead screw in the position that needs the bolt-up, make the utility model discloses the fastening is stronger, makes when some thieves dismantle the theftproof bolt more difficult, can be better the security of guarantee open-air facility through the setting of theftproof subassembly.

Description

Anti-theft bolt suitable for various places needing bolt fastening

Technical Field

The utility model relates to a machine part technical field specifically is a be fit for various needs bolt-up place theftproof bolts.

Background

The anti-theft bolt has higher safety performance than a common bolt, is generally applied to fastening of iron towers, metal frameworks and high-pipe guardrails which are arranged in the field, further ensures the use safety of field facilities, better prevents thieves from stealing the facilities arranged in the field, avoids less property loss as much as possible and ensures the normal operation of the field facilities.

However, bolts, nuts and tools used for steel towers, metal frameworks, high-pipe guardrails and the like which are arranged in the field are all commonly used, the anti-theft effect is not ideal, and even if the anti-theft special purpose is adopted, the popularization and the use are influenced due to the reasons of high price, difficulty in secondary fastening, easiness in loosening and the like, so that the steel towers, transformers, guardrails and important facilities are easy to steal and disassemble, therefore, technical personnel in the field provide anti-theft bolts suitable for various places needing bolt fastening, so as to solve the problems in the background technology.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a be fit for various needs bolt-up place theftproof bolts reaches by following specific technological means:

the anti-theft bolt suitable for various places needing bolt fastening comprises a screw rod, wherein a bolt head is fixedly connected to the upper surface of the screw rod, a first tooth is fixedly arranged on the outer surface of the bolt head, a limiting hole and a threaded through hole are formed in the upper surface of the bolt head, a second through hole is formed in the middle of the upper surface of the bolt head, and an anti-theft assembly is movably connected inside the screw rod;

the theftproof subassembly includes fastening cover, fastening nut, card, draws fourth of twelve earthly branches head, second tooth, draw-in groove, spacing post, first through-hole and draws fourth of twelve earthly branches pole, inside swing joint have a draw fourth of twelve earthly branches pole, the bottom outer fixed surface of drawing fourth of twelve earthly branches pole is connected with draws fourth of twelve earthly branches head, and draws the lower fixed surface of fourth of twelve earthly branches pole to be connected with the card, the surface threaded connection of drawing fourth of twelve earthly branches pole has fastening nut, and draws fourth of twelve earthly branches pole to be close to top position department surface swing joint and have the fastening cover, the draw-in groove has been seted up to the lower surface of fastening cover, and the upper surface central point department of putting of fastening cover has seted up first through-hole, the internal surface fixation.

And as optimization, the limiting hole is matched with the limiting column, the limiting hole and the limiting column are mutually clamped and connected, the limiting column is cylindrical, and the limiting column is attached to the limiting hole after the limiting column is clamped in the limiting hole.

Preferably, the clamping groove is matched with the bolt head, the clamping groove is connected with the bolt head in a clamping mode, and the bolt head is cylindrical.

Preferably, the fastening cover is in a regular hexagon cylinder shape, and the first through hole in the fastening cover is the same as the second through hole in the bolt head in aperture and is matched with the mortise pulling rod.

For optimization, the limiting holes formed in the upper surface of the bolt head are symmetrically formed in the position, close to the middle, of the upper surface of the bolt head in a front-back and left-right mode.

The utility model discloses possess following beneficial effect: this be fit for various needs bolt-up place theftproof bolts, can play the theftproof effect better after theftproof bolt application is on open-air facility through having increased the theftproof subassembly, at first cup joint the fastening lid on the theftproof subassembly on drawing the fourth of twelve earthly branches pole, then with the spacing downthehole of the fixed block of spacing post on the fastening lid on the bolt head, the second tooth that covers simultaneously with the fastening meshes with the first tooth on the bolt head, then with fastening nut twist on drawing the fourth of twelve earthly branches pole, then screw up the fastening lid through the spanner and fasten the lead screw in the position that needs bolt-up, make the utility model discloses the fastening is stronger, makes when some thieves dismantle the theftproof bolt more difficult, the security of guarantee open-air facility that can be better through the setting of theftproof subassembly.

This be fit for various needs bolt-up place theftproof bolts, at first take off the fastening cover from the bolt head through having increased the theftproof subassembly, then twist the bolt in the screw thread through-hole on the bolt head again, then twist off the head of bolt through the spanner, stay the position of the pole of bolt in the screw thread through-hole, just so can prevent that the thief will through normal spanner the utility model discloses take off from the facility that self is fixed, also can't be with the help of external force and other instruments simultaneously will the utility model discloses take off from the facility that fixes, make the utility model discloses a theftproof effect is better.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the fastening cover of the present invention in a bottom perspective view.

Fig. 3 is a front sectional view of the present invention.

In the figure: 1. a fastening cover; 2. a bolt head; 3. a first tooth; 4. fastening a nut; 5. an anti-theft component; 6. a limiting hole; 7. a threaded through hole; 8. a screw rod; 9. a card; 10. pulling a mortise head; 11. a second tooth; 12. a card slot; 13. a limiting column; 14. a first through hole; 15. a second through hole; 16. and (4) pulling a mortise rod.

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 to 3, the anti-theft bolt suitable for various places needing bolt fastening comprises a screw rod 8, a bolt head 2 is fixedly connected to the upper surface of the screw rod 8, a first tooth 3 is fixedly arranged on the outer surface of the bolt head 2, a limiting hole 6 and a threaded through hole 7 are formed in the upper surface of the bolt head 2, a second through hole 15 is formed in the middle position of the upper surface of the bolt head 2, and an anti-theft component 5 is movably connected to the inside of the screw rod 8.

In fig. 1, 1 and 3: the anti-theft component 5 comprises a fastening cover 1, a fastening nut 4, a clamping piece 9, a mortise pulling head 10, a second tooth 11, a clamping groove 12, a limiting column 13, a first through hole 14 and a mortise pulling rod 16, wherein the inside of the mortise pulling rod 16 is movably connected with the mortise pulling rod 16, the outer surface of the bottom end of the mortise pulling rod 16 is fixedly connected with the mortise pulling head 10, the lower surface of the mortise pulling rod 16 is fixedly connected with the clamping piece 9, the outer surface of the mortise pulling rod 16 is in threaded connection with the fastening nut 4, the outer surface of the mortise pulling rod 16 close to the top end is movably connected with the fastening cover 1, the lower surface of the fastening cover 1 is provided with the clamping groove 12, the central position of the upper surface of the fastening cover 1 is provided with the first through hole 14, the inner surface of the clamping groove 12 is fixedly provided with the second tooth 11, the limiting column 13 is fixedly arranged inside the clamping groove 12, the limiting hole 6 is matched with the limiting column 13, the limiting hole 6 is mutually clamped and, the clamping groove 12 is mutually clamped and connected with the bolt head 2, the bolt head 2 is cylindrical, the fastening cover 1 is in a regular hexagon cylinder shape, the first through hole 14 on the fastening cover 1 has the same aperture as the second through hole 15 on the bolt head 2 and is matched with the mortise pull rod 16, the limiting holes 6 formed on the upper surface of the bolt head 2 are symmetrically formed in the positions, close to the middle position, of the upper surface of the bolt head 2 in a front-back and left-right mode, the anti-theft bolt is suitable for various places needing bolt fastening, the anti-theft effect can be better achieved after the anti-theft bolt is applied to field facilities by adding the anti-theft component 5, firstly, the fastening cover 1 on the anti-theft component 5 is sleeved on the mortise pull rod 16, then, the limiting column 13 on the fastening cover 1 is fixedly clamped in the limiting hole 6 on the bolt head 2, and simultaneously, the second tooth 11 on the fastening cover 1 is meshed with the first tooth 3 on the bolt head 2, then twist fastening nut 4 on drawing fourth of twelve earthly branches pole 16, then screw up solid lid 1 through the spanner and fasten lead screw 8 in the position that needs the bolt-up, make the utility model discloses the fastening is stronger, makes when some thieves dismantle the theftproof bolt more difficult, the security of the open-air facility of guarantee that setting through theftproof subassembly 5 can be better.

When in use, firstly, the screw rod 8 is placed at a position needing bolt fastening, then the fastening cover 1 on the anti-theft component 5 is sleeved on the mortise pulling rod 16, then the limiting column 13 on the fastening cover 1 is fixedly clamped in the limiting hole 6 on the bolt head 2, meanwhile, the second tooth 11 on the fastening cover 1 is meshed with the first tooth 3 on the bolt head 2, then the fastening nut 4 is screwed on the mortise pulling rod 16, then the screw rod 8 is fastened at the position needing bolt fastening by screwing the fastening cover 1 through the wrench, then the fastening nut 4 on the mortise pulling rod 16 is screwed through the wrench, along with the continuous screwing of the fastening nut 4, the mortise pulling head 10 is slowly extruded and deformed, the screw rod 8 is fixed in the fastening position, then the fastening nut 4 is continuously fastened until the clamping piece 9 on the lower surface of the mortise pulling rod 16 is broken, and the mortise pulling rod 16 is pulled out from the second through hole 15 at the central position of the upper surface of the bolt head 2, this moment the lead screw 8 just in the fastening position internal fixation firm, then take off fastening cover 1 from bolt head 2, then twist the bolt in the screw through-hole 7 on bolt head 2 again, then twist the head of bolt absolutely through the spanner, stay the position of the pole of bolt in screw through-hole 7, just so can prevent that other people can't use normal spanner when not having fastening cover 1 will the utility model discloses when twisting out, also can not twist out with the help of external force and other instrument lead screws 8, then steal the setting of fastening.

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 be fit for various needs bolt-up place theftproof bolt, includes lead screw (8), its characterized in that: the upper surface of the screw rod (8) is fixedly connected with a bolt head (2), a first tooth (3) is fixedly arranged on the outer surface of the bolt head (2), a limiting hole (6) and a threaded through hole (7) are formed in the upper surface of the bolt head (2), a second through hole (15) is formed in the middle of the upper surface of the bolt head (2), and an anti-theft component (5) is movably connected inside the screw rod (8);

the anti-theft component (5) comprises a fastening cover (1), a fastening nut (4), a clamping piece (9), a mortise pulling head (10), a second tooth (11), a clamping groove (12), a limiting column (13), a first through hole (14) and a mortise pulling rod (16), wherein the inside of the clamping piece (18) is movably connected with the mortise pulling rod (16), the bottom outer surface of the mortise pulling rod (16) is fixedly connected with the mortise pulling head (10), the lower surface of the mortise pulling rod (16) is fixedly connected with the clamping piece (9), the outer surface of the mortise pulling rod (16) is in threaded connection with the fastening nut (4), the outer surface of the mortise pulling rod (16) close to the top end is movably connected with the fastening cover (1), the clamping groove (12) is formed in the lower surface of the fastening cover (1), the first through hole (14) is formed in the center position of the upper surface of the fastening cover (1), the second tooth (11) is fixedly arranged in the inner surface of the clamping groove (12), and a limiting column (13) is fixedly arranged in the clamping groove (12).

2. The anti-theft bolt suitable for various places needing bolt fastening according to claim 1, characterized in that: the limiting hole (6) is matched with the limiting column (13), and the limiting hole (6) is mutually clamped and connected with the limiting column (13).

3. The anti-theft bolt suitable for various places needing bolt fastening according to claim 1, characterized in that: the clamping groove (12) is matched with the bolt head (2), the clamping groove (12) is connected with the bolt head (2) in a clamping mode, and the bolt head (2) is cylindrical.

4. The anti-theft bolt suitable for various places needing bolt fastening according to claim 1, characterized in that: the shape of the fastening cover (1) is a regular hexagon cylinder, and the first through hole (14) on the fastening cover (1) is the same as the aperture of the second through hole (15) on the bolt head (2), and is matched with the mortise pulling rod (16).

5. The anti-theft bolt suitable for various places needing bolt fastening according to claim 1, characterized in that: the limiting holes (6) formed in the upper surface of the bolt head (2) are symmetrically formed in the upper surface of the bolt head (2) close to the middle position in a front-back left-right mode.