CN204591965U - A kind of anti-theft screw - Google Patents

A kind of anti-theft screw Download PDF

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Publication number
CN204591965U
CN204591965U CN201520287682.9U CN201520287682U CN204591965U CN 204591965 U CN204591965 U CN 204591965U CN 201520287682 U CN201520287682 U CN 201520287682U CN 204591965 U CN204591965 U CN 204591965U
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CN
China
Prior art keywords
screw
middleware
hole
polygonal
theft
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Expired - Fee Related
Application number
CN201520287682.9U
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Chinese (zh)
Inventor
娄莹
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娄莹
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Priority to CN201520287682.9U priority Critical patent/CN204591965U/en
Application granted granted Critical
Publication of CN204591965U publication Critical patent/CN204591965U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of anti-theft screw, aim to provide a kind of simple, cost is low, long service life anti-theft screw, its drip irrigation device is, comprise screw body and middleware, described screw body is provided with the polygonal through hole running through screw body vertically, the shape of described middleware is corresponding with the shape of polygonal through hole, described middleware is engaged in polygonal through hole, the anti-drop assembly preventing toner screw is provided with between described middleware and screw body, the utility model part is few, structure is simple, it is all rule body, convenient for production, cost is low, and high life, during mounting screw, with internal angle wrench, screw body can be screwed into, extrude middleware more afterwards, make middleware upper surface head concordant with screw head upper surface, such screw head place does not have faceted pebble, general tool can not be opened, play anti-theft function, anti-drop assembly plays the effect of locking anticreep, further enhance fixed effect, make anti-theft feature better.

Description

A kind of anti-theft screw
Technical field
The utility model relates to a kind of fastening piece, relates to a kind of anti-theft screw or rather.
Background technique
Screw is a kind of common retaining element, and normal conditions are the shaft-like object of taking the lead of attached threaded cylinder.The screwed cylinder part in one end of screw is called stud, and the other end is head, is called screw head, is screwed in counterbore by instruments such as spanners by screw, for fixed object.Screw is generally made of metal, but in special trade, and the screw that such as uses at the special occasions such as electrical insulation or corrosion protection also has various non-metallic material.
The function of plain screw and material all comparative maturities, but due to the needs produced and live, there is the various screw with specific function in recent years, especially the screw of anti-theft feature, screw on the market mostly only changes bolt head upper shed, only can prevent general tool to back-out screw, not strengthen the fixed effect of screw itself, make screw easily deviate from or be opened by force by instruments such as hydraulic tongses, anti-theft effect is not good.
Model utility content
The technical problems to be solved in the utility model is, provides and manufactures a kind of good fixing effect, the strong anti-theft screw of anti-theft feature.
Technical solution of the present utility model is, a kind of anti-theft screw with following structure is provided, comprise screw body, the screw head that described screw body comprises screw rod and is fixedly connected with screw rod one end, described screw head is cylindrical, also comprise middleware, described screw body is provided with the polygonal through hole running through screw body vertically, the shape of described middleware is corresponding with the shape of polygonal through hole, described middleware is engaged in polygonal through hole, is provided with the anti-drop assembly preventing toner screw between described middleware and screw body.
After adopting above structure, anti-theft screw of the present utility model, compared with prior art, have the following advantages: primarily of screw body and middleware composition, part is few, and structure is simple, it is all rule body, convenient for production, cost is low, and high life, during mounting screw, directly can coordinate to come rotating screw main body with polygonal through hole with internal angle wrench, also middleware can be rotated by instruments such as exterior angle spanners, middleware is rotated and drives screw body to enter in screw, after screw body enters completely, extruding middleware, make in the complete embedding screw body of middleware, namely middleware upper surface head is concordant with screw head upper surface, like this because screw head place does not have faceted pebble, so general tool can not open this screw, play anti-theft function, and anti-drop assembly is strengthened strengthening fixing between middleware and screw body, the cooperation between screw body and mounting point can also be strengthened, play the effect of locking anticreep, further enhance fixed effect, prevention violent tool to a certain degree can be back-outed by screw, make anti-theft feature better.
Be arranged on the raised line on middleware sidewall vertically because described anti-drop assembly of the present utility model comprises at least one and be arranged on the chute that polygonal through hole madial wall matches with raised line, the other end of described screw body is at least provided with two openings, described chute bottom land is provided with the extrusion block of conflicting with raised line, this anti-drop assembly structure is simple, and be all arranged on screw body and middleware, do not add extra part, reduce manufacture cost, when middleware is installed, described raised line extruding conflict block, make deformation bottom screw body and open, the position of screw body and mounting screw is coordinated tightr, play the effect of locking anticreep, further enhance fixed effect, make anti-theft feature better.
Improve as one of the present utility model, described extrusion block and the inconsistent sidewall of raised line are provided with clamping block, described raised line is provided with the locking slot matched with clamping block, make after conflict block enters completely, clamping block and locking slot agree with, strengthen the cooperation between middleware and screw body, middleware is not easily dropped, strengthens anti-theft feature.
Improve as one of the present utility model, the each sidewall of described middleware is equipped with at least one raised line, the joint of every two adjacent surfaces of described polygonal through hole is equipped with described opening, the segmentation of screw body bottom even is split into some pieces by described opening, make squeezing effect better, make there is uniform deformation bottom screw body, the locking anticreep performance of screw body is better.
Improve as another kind of the present utility model, described middleware comprises the sealing block that pressure ram is fixedly connected with pressure ram one end, described polygonal through hole comprises the first through hole matched with pressure ram and the second through hole matched with sealing block, matched by sealing block and the second through hole, make screw body upper surface concordant with middleware more simple, reduce installation difficulty, and add the fit system for installing, the adaptive more setting tool of energy, adds suitability.
Also have a kind of improvement as of the present utility model, described screw head end face and sidewall are provided with fillet, make general tool not have Point of Strength, do not carry out rotating screw by screw head, the further theftproof performance of screw.
Accompanying drawing explanation
Fig. 1 is the structural representation one of a kind of anti-theft screw of the utility model.
Fig. 2 is the structural representation two of a kind of anti-theft screw of the utility model.
Fig. 3 is the part explosive view one of a kind of anti-theft screw of the utility model.
Fig. 4 is the part explosive view two of a kind of anti-theft screw of the utility model.
Fig. 5 is the part explosive view three of a kind of anti-theft screw of the utility model.
Fig. 6 is the structural representation of the screw body of a kind of anti-theft screw of the utility model.
Fig. 7 is the sectional view along A-A hatching in Fig. 6.
Shown in figure: 1, screw body; 11, screw rod; 12, screw head; 13, polygonal through hole; 13a, the first through hole; 13b, the second through hole; 14, chute; 15, opening; 16, extrusion block; 17, clamping block; 2, middleware; 21, raised line; 22, locking slot; 23, pressure ram; 24, sealing block.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Refer to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, shown in Fig. 6 and Fig. 7, technical solution of the present utility model is, a kind of anti-theft screw with following structure is provided, comprise screw body 1, the screw head 12 that described screw body 1 comprises screw rod 11 and is fixedly connected with screw rod 11 one end, described screw head 12 is cylindrical, columniform screw head 12 does not have faceted pebble, so general instrument is not by turning screw head 12 to turn screw, described screw body 1 is provided with the polygonal through hole 13 running through screw body 1 vertically, the shape of described middleware 2 and the matching form of polygonal through hole 13, described middleware 2 arranges with in polygonal through hole 13, the anti-drop assembly preventing toner screw is provided with between described middleware 2 and screw body 1, anti-theft screw of the present utility model forms primarily of screw body 1 and middleware 2, part is few, and structure is simple, it is all rule body, convenient for production, cost is low, and high life, during mounting screw, directly can coordinate to come rotating screw main body 1 with polygonal through hole 13 with internal angle wrench, also middleware 2 can be rotated by instruments such as exterior angle spanners, middleware 2 is rotated and drives screw body 1 to enter in screw, after screw body 1 enters completely, extruding middleware 2, make in the complete embedding screw body 1 of middleware 2, namely middleware 2 upper surface head is concordant with screw head 12 upper surface, like this because screw head 12 place does not have faceted pebble, so general tool can not open this screw, and anti-drop assembly can play the effect of locking anticreep, further enhance fixed effect, prevention violent tool to a certain degree can be back-outed by screw, play anti-theft function, and described middleware 2 comprises the sealing block 24 that pressure ram 23 is fixedly connected with pressure ram 23 one end, described polygonal through hole 13 comprises the first through hole 13a matched with pressure ram 23 and the second through hole 13b matched with sealing block 24, matched by sealing block 24 and the second through hole 13b, make screw body 1 upper surface easily concordant with middleware 2 upper surface, installation difficulty is low, the second described through hole 13b is regular hexagon groove, described polygonal through hole 13 is triangle through hole, square through-hole or regular hexagon through hole, screw just can be installed by inner hexagon spanner or outer hexagonal spanner, add the fit system for installing, the adaptive more setting tool of energy, add suitability, easier for installation, and described screw head 12 end face and sidewall are provided with fillet, further reduce Point of Strength, rotating screw is not carried out by screw head 12, the further theftproof performance of screw.
Consult Fig. 3, Fig. 4, Fig. 5, shown in Fig. 6 and Fig. 7, described anti-drop assembly comprises and is arranged on raised line on pressure ram 23 sidewall 21 and is arranged on the chute 14 that polygonal through hole 13 madial wall matches with raised line 21, described chute 14 bottom land is provided with the extrusion block 16 of conflicting with raised line 21, two openings 15 are at least provided with bottom described screw body 1, described opening 15 will be divided into some disjunct regions bottom screw body 1, this anti-drop assembly structure is simple, and be all arranged on screw body 1 and middleware 2, do not add extra part, reduce manufacture cost, when middleware 2 is installed, described raised line 21 extrudes extrusion block 16, make deformation bottom screw body 1 and open, the position of screw body 1 and mounting screw is coordinated tightr, play the effect of locking anticreep, further enhance fixed effect, prevention violent tool to a certain degree can be back-outed by screw, make anti-theft feature better, and described extrusion block 16 sidewall inconsistent with raised line 21 is provided with clamping block 17, described raised line 21 is provided with the locking slot 22 matched with clamping block 17, make after raised line 21 enters chute 14 completely, clamping block 17 and locking slot 22 agree with, strengthen the cooperation between middleware 2 and screw body 1, middleware 2 is not easily dropped, strengthen anti-theft feature, anti-drop assembly can not only strengthen fixing between middleware 2 and screw body 1, the cooperation between screw body 1 and mounting point can also be strengthened, play the effect of locking anticreep, further enhance fixed effect, make anti-theft feature better.
Consult shown in Fig. 4, the described each sidewall of middleware 2 is equipped with a raised line 21, the joint of every two adjacent surfaces of described polygonal through hole 13 is equipped with described opening 15, the segmentation of screw body 1 bottom even is split into some pieces by described opening 15, and with raised line 21 one_to_one corresponding, make squeezing effect better, make there is uniform deformation bottom screw body 1, the locking anticreep performance of screw body 1 is better, described polygonal through hole 13 medial axis, both screw body 1 medial axis person coincide, make middleware 2 and screw body 1 more symmetrically, convenient when making installation middleware 2, middleware 2 not easily deformed damaged, and it is convenient and attractive in appearance to make middleware 2 manufacture, and ensure that the structural strength of screw body 1, make screw body 1 more sturdy and durable.
Below be only preferred implementation of the present utility model, protection domain of the present utility model be not only confined to above-described embodiment, all technological schemes belonged under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.

Claims (6)

1. an anti-theft screw, comprise screw body (1), the screw head (12) that described screw body (1) comprises screw rod (11) and is fixedly connected with screw rod (11) one end, described screw head (12) is for cylindrical, it is characterized in that: also comprise middleware (2), described screw body (1) is provided with the polygonal through hole (13) running through screw body (1) vertically, the shape of described middleware (2) is corresponding with the shape of polygonal through hole (13), described middleware (2) is engaged in polygonal through hole (13), the anti-drop assembly preventing toner screw is provided with between described middleware (2) and screw body (1).
2. a kind of anti-theft screw according to claim 1, it is characterized in that: described anti-drop assembly comprises at least one and is arranged on the raised line (21) on middleware (2) sidewall vertically and is arranged on the chute (14) that polygonal through hole (13) madial wall matches with raised line (21), the other end of described screw body (1) is at least provided with two openings (15), and described chute (14) bottom land is provided with the extrusion block (16) of conflicting with raised line (21).
3. a kind of anti-theft screw according to claim 2, it is characterized in that: the inconsistent sidewall of described extrusion block (16) and raised line (21) is provided with clamping block (17), and described raised line (21) is provided with the locking slot (22) matched with clamping block (17).
4. a kind of anti-theft screw according to Claims 2 or 3, it is characterized in that: described middleware (2) each sidewall is equipped with at least one raised line (21), the joint of every two adjacent surfaces of described polygonal through hole (13) is equipped with described opening (15).
5. a kind of anti-theft screw according to claim 1, it is characterized in that: described middleware comprises the sealing block (24) that pressure ram (23) is fixedly connected with pressure ram (23) one end, described polygonal through hole (13) comprises the first through hole (13a) matched with pressure ram (23) and the second through hole (13b) matched with sealing block (24).
6. a kind of anti-theft screw according to claim 1, is characterized in that: described screw head (12) end face and sidewall are provided with fillet.
CN201520287682.9U 2015-05-06 2015-05-06 A kind of anti-theft screw Expired - Fee Related CN204591965U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520287682.9U CN204591965U (en) 2015-05-06 2015-05-06 A kind of anti-theft screw

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520287682.9U CN204591965U (en) 2015-05-06 2015-05-06 A kind of anti-theft screw

Publications (1)

Publication Number Publication Date
CN204591965U true CN204591965U (en) 2015-08-26

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520287682.9U Expired - Fee Related CN204591965U (en) 2015-05-06 2015-05-06 A kind of anti-theft screw

Country Status (1)

Country Link
CN (1) CN204591965U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107252346A (en) * 2017-05-31 2017-10-17 梁兴斌 A kind of orthopaedics band cap lock screw
CN108006050A (en) * 2017-12-01 2018-05-08 中国直升机设计研究所 A kind of self-locking quick-release clamp device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107252346A (en) * 2017-05-31 2017-10-17 梁兴斌 A kind of orthopaedics band cap lock screw
CN108006050A (en) * 2017-12-01 2018-05-08 中国直升机设计研究所 A kind of self-locking quick-release clamp device

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150826

Termination date: 20160506

CF01 Termination of patent right due to non-payment of annual fee