CN207539169U - A kind of anti-theft screw - Google Patents

Abstract

The utility model discloses a kind of anti-theft screws, including screw terminal, it is set at the top of the screw terminal and offers cross recess, the bottom of the screw terminal is provided with screw body, the screw body surface is provided with external screw thread, the top of the screw body is contacted with the bottom of screw terminal, the bottom of the screw terminal offers annular slot, the card slot is internally provided with link block, the bottom of the link block is fixedly connected with fixed link, the bottom of the fixed link passes through card slot and extends to the inside of screw body, through-hole one is offered at the top of the fixed link surface, the through-hole one is internally provided with inserted link.The utility model is by setting annular slot, link block, fixed link, through-hole one, inserted link and the cooperation of through-hole two, screw terminal and screw body can be dismantled, having reached makes screw have anti-theft feature, improves safety when user uses, effect easy to use.

Description

A kind of anti-theft screw

Technical field

The utility model is related to screw technical field, specially a kind of anti-theft screw.

Background technology

Screw is the physics and mathematical principle of the inclined-plane circular rotating and frictional force using object, is fastened by easy stages The tool of implements parts, screw are the general sayings of fastener, and daily pet phrase, screw is work indispensable in daily life Industry necessity：The minimum screw that such as camera, glasses, clock and watch, electronics use；TV, electric product, musical instrument, furniture etc. General screw；As for engineering, building, bridge then using large-scale screw, nut；Traffic tool, aircraft, electric car, automobile etc. are then It is used in combination for big primary screw.Screw industrially bears vital task, as long as there is industry on the earth, then the function of screw is eternal It is important.Screw is the joint invention in people's production and living over the past thousands of years, and from the point of view of application field, it is the first big of the mankind Invention, existing screw do not have anti-theft feature, reduce safety when user uses, inconvenient for use.

Invention content

The purpose of this utility model is to provide a kind of anti-theft screws, and having has the advantages that anti-theft feature, solve existing Some screws do not have anti-theft feature, reduce user use when safety, it is inconvenient for use the problem of.

To achieve the above object, the utility model provides following technical solution：A kind of anti-theft screw, including screw terminal, institute It states to set at the top of screw terminal and offers cross recess, the bottom of the screw terminal is provided with screw body, the screw body surface setting There is external screw thread, the top of the screw body is contacted with the bottom of screw terminal, and the bottom of the screw terminal offers annular slot, institute The link block that is internally provided with of annular slot is stated, the bottom of the link block is fixedly connected with fixed link, the bottom of the fixed link Portion passes through annular slot and extends to the inside of screw body, and through-hole one, the through-hole are offered at the top of the fixed link surface One is internally provided with inserted link, and the position of the top of the screw body both sides and corresponding inserted link offers through-hole two, described to insert The both ends of bar both pass through through-hole two and extend to the outside of through-hole two, and the bottom of the screw body is fixedly connected with rotary head.

Preferably, the both sides of the screw body inner wall have been fixedly connected with gag lever post, and the gag lever post is far from screw body One end is fixedly connected with position-limiting drum, and the bottom of the fixed link passes through position-limiting drum and extends to the bottom of position-limiting drum.

Preferably, rubber pad, the bottom of the fixed link and the top of rubber pad are fixedly connected at the top of the rotary head Portion contacts.

Preferably, the left end of the inserted link is fixedly connected with handle, and the surface of the handle is provided with anti-skid chequer.

Preferably, the rotary head is internally provided with diamond coatings.

Preferably, cross recess matches with Philips-type screwdriver.

Compared with prior art, the beneficial effects of the utility model are as follows：

1st, the utility model is by setting annular slot, link block, fixed link, through-hole one, inserted link and the cooperation of through-hole two, Screw terminal and screw body can be dismantled, having reached makes screw have anti-theft feature, improves safety when user uses, Effect easy to use.

2nd, the utility model can make fixed link more stable when moving, by setting by setting gag lever post and position-limiting drum Rubber pad is put, can prevent fixed link from being hit when moving with rotary head, by setting handle, inserted link can be made when extracted It is more convenient, by setting diamond coatings, the hardness of rotary head can be improved, makes rotary head firmer, extends making for screw Use the service life.

Description of the drawings

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is the vertical view of screw terminal in the utility model structure chart 1.

In figure：1 screw terminal, 2 cross recess, 3 screw bodies, 4 external screw threads, 5 annular slots, 6 link blocks, 7 fixed links, 8 lead to Kong Yi, 9 inserted links, 10 through-holes two, 11 rotary heads, 12 gag lever posts, 13 position-limiting drums, 14 rubber pads, 15 handles, 16 diamond coatings.

Specific embodiment

The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work All other embodiments obtained shall fall within the protection scope of the present invention.

- 2 are please referred to Fig.1, a kind of anti-theft screw, including screw terminal 1,1 top of screw terminal, which is set, offers cross recess 2, and ten Word groove 2 matches with Philips-type screwdriver, and the bottom of screw terminal 1 is provided with screw body 3, and 3 surface of screw body is provided with outer spiral shell Line 4, the top of screw body 3 are contacted with the bottom of screw terminal 1, and the bottom of screw terminal 1 offers annular slot 5, annular slot 5 Link block 6 is internally provided with, the bottom of link block 6 is fixedly connected with fixed link 7, and the both sides of 3 inner wall of screw body are fixedly connected with There is gag lever post 12, the one end of gag lever post 12 far from screw body 3 is fixedly connected with position-limiting drum 13, and the bottom of fixed link 7 passes through limiting Cylinder 13 simultaneously extends to the bottom of position-limiting drum 13, by setting gag lever post 12 and position-limiting drum 13, can make fixed link 7 when moving more Stablize, the bottom of fixed link 7 passes through annular slot 5 and extends to the inside of screw body 3, and fixed link offers at the top of 7 surface Through-hole 1, through-hole 1 are internally provided with inserted link 9, and the left end of inserted link 9 is fixedly connected with handle 15, the surface setting of handle 15 There is anti-skid chequer, by setting handle 15, inserted link 9 can be made to be more convenient when extracted, the top of 3 both sides of screw body and corresponding inserted link 9 position offers through-hole 2 10, and the both ends of inserted link 9 both pass through through-hole 2 10 and extend to the outside of through-hole 2 10, screw The bottom of body 3 is fixedly connected with rotary head 11, and the top of rotary head 11 is fixedly connected with rubber pad 14, the bottom of fixed link 7 with The top contact of rubber pad 14, by setting rubber pad 14, hits when can prevent fixed link 7 from moving with rotary head 11, Rotary head 11 is internally provided with diamond coatings 16, by setting diamond coatings 16, can improve the hardness of rotary head 11, Make the firmer service life for extending screw of rotary head 11, by setting annular slot 5, link block 6, fixed link 7, through-hole one 8th, the cooperation of inserted link 9 and through-hole 2 10, the effect that can dismantle screw terminal 1 and screw body 3, having reached makes screw with antitheft Function improves safety when user uses, effect easy to use.

In use, inserted link 9 is extracted by through-hole 2 10 and one 8 inside of through-hole, screw terminal 1 is taken out, you can reach screw To anti-theft feature, safety is improved, if desired takes out screw, Philips-type screwdriver is put into cross recess 2 and is rotated.

In summary：The anti-theft screw, by setting annular slot 5, link block 6, fixed link 7, through-hole 1,9 and of inserted link The cooperation of through-hole 2 10 solves existing screw without anti-theft feature, reduces safety when user uses, use The problem of inconvenient.

While there has been shown and described that the embodiment of the utility model, for the ordinary skill in the art, It is appreciated that can these embodiments be carried out with a variety of variations in the case of the principle and spirit for not departing from the utility model, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of anti-theft screw, including screw terminal（1）, it is characterised in that：The screw terminal（1）Top, which is set, offers cross recess （2）, the screw terminal（1）Bottom be provided with screw body（3）, the screw body（3）Surface is provided with external screw thread（4）, it is described Screw body（3）Top and screw terminal（1）Bottom contact, the screw terminal（1）Bottom offer annular slot（5）, institute State annular slot（5）Be internally provided with link block（6）, the link block（6）Bottom be fixedly connected with fixed link（7）, institute State fixed link（7）Bottom pass through annular slot（5）And extend to screw body（3）Inside, the fixed link（7）The top on surface Portion offers through-hole one（8）, the through-hole one（8）Be internally provided with inserted link（9）, the screw body（3）The top of both sides and Corresponding inserted link（9）Position offer through-hole two（10）, the inserted link（9）Both ends both pass through through-hole two（10）And it extends to Through-hole two（10）Outside, the screw body（3）Bottom be fixedly connected with rotary head（11）.

2. a kind of anti-theft screw according to claim 1, it is characterised in that：The screw body（3）The both sides of inner wall are solid Surely it is connected with gag lever post（12）, the gag lever post（12）Far from screw body（3）One end be fixedly connected with position-limiting drum（13）, it is described Fixed link（7）Bottom pass through position-limiting drum（13）And extend to position-limiting drum（13）Bottom.

3. a kind of anti-theft screw according to claim 1, it is characterised in that：The rotary head（11）Top be fixedly connected There is rubber pad（14）, the fixed link（7）Bottom and rubber pad（14）Top contact.

4. a kind of anti-theft screw according to claim 1, it is characterised in that：The inserted link（9）Left end be fixedly connected with Handle（15）, the handle（15）Surface be provided with anti-skid chequer.

5. a kind of anti-theft screw according to claim 1, it is characterised in that：The rotary head（11）Be internally provided with gold Hard rock coating（16）.

6. a kind of anti-theft screw according to claim 1, it is characterised in that：The cross recess（2）With cross screw Knife matches.