CN210440415U

CN210440415U - Novel split bolt with good anti-theft performance

Info

Publication number: CN210440415U
Application number: CN201921458410.5U
Authority: CN
Inventors: 沈晓丹
Original assignee: Haiyan Shangyu Fastener Technology Co Ltd
Current assignee: Haiyan Shangyu Fastener Technology Co Ltd
Priority date: 2019-09-04
Filing date: 2019-09-04
Publication date: 2020-05-01
Anticipated expiration: 2029-09-04

Abstract

The utility model discloses a novel bolt that split type theftproof performance is good, tighten the head including screw rod, screw rod spiral shell head, components of a whole that can function independently, the screw rod surface coil and be equipped with the screw rod external screw thread, screw rod upper end be equipped with screw rod spiral shell head, screw rod spiral shell head be the glossy disc type of surface, screw rod spiral shell head upper end be equipped with can tighten the head rather than the complex components of a whole that can function independently, the components of a whole that can function independently tighten head and screw rod spiral shell head between can dismantle and be connected, the utility model discloses a set up components of a whole that can function independently with spiral shell head upper end and tighten the head with the bolt through the components of a whole that can function independently, just can not reverse after the bolt is tightened and dismantle, can improve the theftproof performance.

Description

Novel split bolt with good anti-theft performance

[ technical field ] A method for producing a semiconductor device

The utility model relates to a technical field of fastener, especially the technical field of the bolt that the theftproof performance is good.

[ background of the invention ]

Bolt: mechanical parts, cylindrical threaded fasteners fitted with nuts. A fastener consisting of a head and a screw is matched with a nut and used for fastening and connecting two parts with through holes. This form of connection is known as a bolted connection. If the nut is unscrewed from the bolt, the two parts can be separated, so that the bolt connection belongs to detachable connection. The anti-theft bolt is one of the bolts, nuts and tools used by iron towers, metal frameworks, high-pipe guardrails and the like which are established in the field at present are all commonly used, and even if the anti-theft bolt is special for anti-theft, the anti-theft bolt is easy to steal and unload due to the fact that the anti-theft bolt is high in price, easy to loosen and the like, so that the iron towers, the transformers, the guardrails and important facilities are easy to steal and unload.

[ Utility model ] content

The utility model aims at solving the problem among the prior art, provide a novel bolt that split type theftproof performance is good, can improve the theftproof performance of bolt, the bolt is screwed up and just can not reverse the dismantlement after, and the components of a whole that can function independently screws up the head and can used repeatedly, reduce cost.

In order to realize the above-mentioned purpose, the utility model provides a novel bolt that split type theftproof performance is good, tighten the head including screw rod, screw rod spiral shell head, components of a whole that can function independently, the screw rod surface coil and be equipped with the screw rod external screw thread, screw rod upper end be equipped with screw rod spiral shell head, screw rod spiral shell head be the glossy disc type of surface, screw rod spiral shell head upper end be equipped with can tighten the head rather than the complex components of a whole that can function independently, components of a whole that can function independently tighten between head and the screw rod spiral shell head can dismantle and be connected.

As preferred, the components of a whole that can function independently screw up the head including screwing up portion, baffle, a plurality of card tooth of screwing up, the baffle be the disc type, baffle upper end be equipped with can with spanner complex screw up the portion, the baffle lower extreme evenly be equipped with a plurality of card teeth of screwing up, the card tooth of screwing up set up around baffle centre of a circle equidistance, screw rod spiral shell overhead end be equipped with a plurality of can with screw up card tooth complex draw-in grooves, the draw-in groove set up around screw rod spiral shell head centre of a circle equidistance.

Preferably, the tightening clamping teeth are arranged in an inclined mode, one end of each tightening clamping tooth is a clamping tooth protruding end, the other end of each tightening clamping tooth is a clamping tooth plane end, the clamping tooth protruding ends protrude, the clamping tooth plane ends are flush with the lower end face of the baffle, and the clamping grooves are inclined clamping grooves matched with the tightening clamping teeth.

Preferably, the split tightening head further comprises an annular rib, the annular rib is arranged on the lower end face of the baffle, the annular rib can be matched with the side face of the screw head of the screw to limit the screw head of the screw in the annular rib, and the height of the annular rib is smaller than that of the screw head of the screw.

Preferably, the number of the tightening clamping teeth is at least two, and the number of the clamping grooves is the same as that of the tightening clamping teeth.

Preferably, the lower end face of the screw head of the screw rod is uniformly provided with a plurality of anti-skid grains.

The utility model relates to a beneficial effect of novel bolt that split type theftproof performance is good: the utility model discloses a set up the components of a whole that can function independently with spiral shell overhead end and screw up the head, screw up the head through the components of a whole that can function independently with the bolt tightening, just can not reverse the dismantlement after the bolt tightening, can improve the theftproof performance of bolt, and the components of a whole that can function independently screw up the head and can used repeatedly, reduce the cost.

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 a structure schematic diagram of a split type novel bolt with good anti-theft performance;

FIG. 2 is a front view of the structure of the novel split bolt with good anti-theft performance;

FIG. 3 is a schematic cross-sectional view of a split tightening head structure of a novel split bolt with good anti-theft performance;

FIG. 4 is a bottom view of a split tightening head structure of a novel split bolt with good anti-theft performance;

fig. 5 is a schematic plan view of the structure of the screw head of the split bolt with good anti-theft performance.

In the figure: 1-screw rod, 2-screw rod head, 3-split tightening head, 11-screw rod external thread, 21-clamping groove, 22-anti-slip line, 31-tightening part, 32-baffle, 33-tightening clamping tooth, 34-annular flange, 331-clamping tooth protruding end and 332-clamping tooth plane end.

[ detailed description ] embodiments

In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail through the accompanying drawings and embodiments. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the invention and not to limit the scope of the invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

Referring to fig. 1, 2, 3, 4 and 5, the utility model relates to a novel split bolt with good anti-theft performance, which comprises a screw rod 1, a screw rod head 2 and a split tightening head 3, wherein the surface of the screw rod 1 is coiled with a screw rod external thread 11, the upper end of the screw rod 1 is provided with the screw rod head 2, the screw rod head 2 is a disc type with smooth outer surface, the upper end of the screw rod head 2 is provided with the split tightening head 3 matched with the screw rod head, the split tightening head 3 is detachably connected with the screw rod head 2, the split tightening head 3 comprises a tightening part 31, a baffle 32 and a plurality of tightening clamp teeth 33, the baffle 32 is a disc type, the upper end of the baffle 32 is provided with the tightening part 31 matched with a wrench, the lower end of the baffle 32 is uniformly provided with the plurality of tightening clamp teeth 33, the tightening clamp teeth 33 are equidistantly arranged around the circle center of the baffle 32, the upper end of the screw head 2 is provided with a plurality of clamping grooves 21 which can be matched with the tightening clamping teeth 33, the clamping grooves 21 are equidistantly arranged around the circle center of the screw head 2, the tightening clamping teeth 33 are obliquely arranged, one end of the tightening clamping teeth 33 is a clamping tooth protruding end 331, the other end of the tightening clamping teeth 33 is a clamping tooth plane end 332, the clamping tooth protruding end 331 is convexly arranged, the clamping tooth plane end 332 is parallel to the lower end face of the baffle 32, the clamping grooves 21 are oblique clamping grooves which can be matched with the tightening clamping teeth 33, the split tightening head 3 further comprises an annular rib 34, the annular rib 34 is arranged on the lower end face of the baffle 32, the annular rib 34 can be matched with the side face of the screw head 2 to limit the screw head 2 in the annular rib 34, the height of the annular rib 34 is smaller than that of the screw head 2, and the tightening clamping teeth 33 are at least two, the number of the clamping grooves 21 is the same as that of the tightening clamping teeth 33, and a plurality of anti-skid grains 22 are uniformly arranged on the lower end face of the screw head 2 of the screw rod.

The utility model discloses the working process:

the utility model relates to a novel bolt that split type theftproof performance is good is connected between split type tightening head 3 and the screw rod spiral shell head 2 in the working process, the split type tightening head 3 screw up in the calorie of tooth 33 card goes into the draw-in groove 21 of screw rod spiral shell head 2, block through the spanner and screw up the portion 31 rotatory, after screwing up the bolt, because screw up calorie of tooth 33 and draw-in groove 21 for the slope, when the split type tightening head 3 reverses, screw up unable atress between calorie of tooth 33 and the draw-in groove 21, the bolt can't be unscrewed, the split type tightening head 3 can dismantle used repeatedly, screw up other bolt.

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

1. The utility model provides a novel bolt that split type theftproof performance is good which characterized in that: screw rod (1) surface coil and be equipped with screw rod external screw thread (11), screw rod (1) upper end be equipped with screw rod spiral shell head (2), screw rod spiral shell head (2) be the smooth disc type of surface, screw rod spiral shell head (2) upper end be equipped with can tighten head (3) rather than the complex components of a whole that can function independently, components of a whole that can function independently tighten head (3) and screw rod spiral shell head (2) between can dismantle and be connected.

2. The split type novel bolt with good anti-theft performance as claimed in claim 1, is characterized in that: the components of a whole that can function independently screw up head (3) including screwing up portion (31), baffle (32), a plurality of card tooth (33) of screwing up, baffle (32) be the disc type, baffle (32) upper end be equipped with can with spanner complex screw up portion (31), baffle (32) lower extreme evenly be equipped with a plurality of card tooth (33) of screwing up, screw up card tooth (33) set up around baffle (32) centre of a circle equidistance, screw rod spiral shell head (2) upper end be equipped with a plurality of can with screw up card tooth (33) complex draw-in groove (21), draw-in groove (21) set up around screw rod spiral shell head (2) centre of a circle equidistance.

3. The split type novel bolt with good anti-theft performance as claimed in claim 2, characterized in that: screw up card tooth (33) slope and set up, screw up card tooth (33) one end for calorie tooth protrusion end (331), screw up card tooth (33) other end for calorie tooth plane end (332), card tooth protrusion end (331) protrusion set up, card tooth plane end (332) and baffle (32) down terminal surface parallel and level, draw-in groove (21) for can with screw up card tooth (33) complex slope draw-in groove.

4. The split type novel bolt with good anti-theft performance as claimed in claim 2, characterized in that: the split tightening head (3) further comprises an annular rib (34), the annular rib (34) is arranged on the lower end face of the baffle (32), the annular rib (34) can be matched with the side face of the screw head (2) to limit the screw head (2) in the annular rib (34), and the height of the annular rib (34) is smaller than that of the screw head (2).

5. The split type novel bolt with good anti-theft performance as claimed in claim 2, characterized in that: the number of the tightening clamping teeth (33) is at least two, and the number of the clamping grooves (21) is the same as that of the tightening clamping teeth (33).

6. The split type novel bolt with good anti-theft performance as claimed in claim 1, is characterized in that: the lower end face of the screw head (2) is uniformly provided with a plurality of anti-skid grains (22).