CN210318134U - Disposable anti-theft screw - Google Patents
Disposable anti-theft screw Download PDFInfo
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- CN210318134U CN210318134U CN201920887218.1U CN201920887218U CN210318134U CN 210318134 U CN210318134 U CN 210318134U CN 201920887218 U CN201920887218 U CN 201920887218U CN 210318134 U CN210318134 U CN 210318134U
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- screw
- head
- screwhead
- theft
- theftproof
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Abstract
The utility model discloses a disposable antitheft screw, including screw main part and anti-theft component, the screw main part includes the screw rod, screwhead and head recess, the top of screw rod is equipped with the screwhead, the top of screwhead is equipped with the head recess to the indent, the top of screwhead is equipped with the theftproof subassembly, the anti-theft component is including screwing up the portion, connecting piece and theftproof end cap, the cross sectional shape of screwing up the portion is regular hexagon, the bottom of screwing up the portion is equipped with a plurality of connecting pieces, the inside of connecting piece is equipped with the theftproof end cap, the bottom fixed connection of theftproof end cap and recess, the utility model discloses can be with the disconnection of being connected between connecting piece and the screwhead, make the screwhead not have the stress point can't be unscrewed, can die fix the end cap card in the head recess, restrict instruments such as screwdriver, spanners and insert the head recess, improve the.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a technical field of antitheft screw, especially a technical field of disposable antitheft screw.
[ background of the invention ]
Products used in some public places, such as mobile communication base stations, license plates of cars, seats of shared bicycles, baskets, electronic locks, etc., are easily stolen if common screws are used. Taking a shared bicycle and a shared electric bicycle as examples, in order to prevent theft, manufacturers adopt some screws with special heads, and tools corresponding to the screws are special and are less circulated in the market, so that the purpose of preventing the tools such as a cross screwdriver, a straight screwdriver, a common inner hexagon wrench, a common double-offset ring inner hexagon wrench and the like which are very wide in the market from screwing out the screws is achieved, and a certain theft-proof effect is achieved.
At present, when the screw is disassembled and assembled, the special tools are fewer than common tools and are still easy to obtain, the special tools can be purchased on commercial platforms such as hardware tool shops, Taobao, Tianmao, Jingdong and the like, the price is low, the anti-theft performance of the screw is reduced, the screw is easy to disassemble, property loss is easily caused, and the safety performance is low.
[ Utility model ] content
The utility model aims at solving the problem among the prior art, provide a disposable antitheft screw, can make the screwhead not have the stress point can't be unscrewed with the disconnection between connecting piece and the screwhead, can die fix the end cap card in the head recess, and instrument such as restriction screwdriver, spanner insert the head recess, and the theftproof performance that improves the screw is good, safe and reliable.
In order to realize the above-mentioned purpose, the utility model provides a disposable antitheft screw, including screw main part and antitheft part, the screw main part include screw rod, screwhead and head recess, the top of screw rod be equipped with the screwhead, the top of screwhead inwards be concave and be equipped with the head recess, the top of screwhead be equipped with the theftproof subassembly, the antitheft part including screwing up portion, connecting piece and theftproof end cap, the cross sectional shape of screwing up portion be regular hexagon, the bottom of screwing up portion be equipped with a plurality of connecting pieces, the inside of connecting piece be equipped with the theftproof end cap, the theftproof end cap with the bottom fixed connection of recess.
Preferably, a bulge is arranged on the inner side of the bottom of the connecting piece, the outer contour of the anti-theft plug is matched with the bulge, and the outer contour of the anti-theft plug is circular.
Preferably, the upper end surface of the anti-theft plug is flush with or slightly lower than the upper end surface of the head groove.
Preferably, the bottom of the screw head is provided with an anti-skid gasket.
Preferably, the cross-sectional shape of the head groove is a regular hexagon, and the side length of the head groove is smaller than that of the tightening part.
Preferably, the number of the connecting pieces is 6, and the connecting pieces are arranged in one-to-one correspondence with the hexagons of the head grooves.
Preferably, the screw rod and the screw head are of an integral structure, and the screw rod, the screw head and the tightening part are coaxially arranged.
Preferably, the maximum length of the tightening part is equal to the diameter of the upper end surface of the screw head.
The utility model has the advantages that: the utility model discloses a connecting piece and tightening part can continue to twist after the screw is tightened and move until the disconnection of being connected between connecting piece and the screwhead, make the screwhead not have the stress point can't be unscrewed, through theftproof end cap and arch, die fix the end cap card in the head recess, instrument such as restriction screwdriver, spanner insert the head recess, and the theftproof performance that improves the screw is good, safe and reliable.
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 disposable anti-theft screw according to the present invention;
fig. 2 is a top view of the disposable anti-theft screw of the present invention.
In the figure: 1-screw body, 11-screw rod, 12-screw head, 13-head groove, 2-anti-theft component, 21-tightening part, 22-connecting piece, 220-bulge, 23-anti-theft plug and 3-anti-slip gasket.
[ 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 and 2, the utility model relates to a disposable antitheft screw, including screw main part 1 and antitheft part 2, screw main part 1 includes screw rod 11, screwhead 12 and head recess 13, the top of screw rod 11 is equipped with screwhead 12, screwhead 12's top is equipped with head recess 13 to the indent, screwhead 12's top is equipped with theftproof subassembly 2, antitheft part 2 is including screwing up portion 21, connecting piece 22 and theftproof end cap 23, the cross sectional shape of screwing up portion 21 is regular hexagon, the bottom of screwing up portion 21 is equipped with a plurality of connecting pieces 22, the inside of connecting piece 22 is equipped with theftproof end cap 23, the bottom fixed connection of theftproof end cap 23 and recess 13.
Wherein, the inner side of the bottom of the connecting piece 22 is provided with a bulge 220, the outer contour of the anti-theft plug 23 is matched with the bulge 220, and the outer contour of the anti-theft plug 23 is circular.
The upper end surface of the anti-theft plug 23 is flush with the upper end surface of the head groove 13 or slightly lower than the upper end surface of the head groove 13.
Wherein, the bottom of the screw head 12 is provided with an antiskid gasket 3.
The cross section of the head groove 13 is a regular hexagon, and the side length of the head groove 13 is smaller than that of the tightening part 21.
Wherein, the quantity of connecting piece 22 is 6, and connecting piece 22 sets up with the hexagonal one-to-one of head recess 13.
Wherein, the screw rod 11 and the screw head 12 are of an integral structure.
Wherein the screw rod 11, the screw head 12 and the tightening part 21 are coaxially arranged, and the maximum length of the tightening part 21 is equal to the diameter of the upper end surface of the screw head 12.
The utility model discloses the working process: the screw rod 11 is aligned to a screw hole required to be fixed, the screwing portion 21 is clamped through the bayonet wrench, the screw rod 11 is screwed through the rotary wrench, the screw rod 11 can be screwed continuously after being screwed, until the connecting piece 22 is disconnected with the screw head 12, the anti-theft plug 23 is fixedly clamped in the head groove 13, tools such as a screwdriver and a wrench are limited to be inserted into the head groove 13, and therefore the anti-theft function is achieved, the screw cannot be unscrewed, and the purpose of one-time screwing is achieved.
The utility model relates to a disposable anti-theft screw is in the course of the work, through connecting piece 22 and screwing up portion 21, can continue to twist after the screw is screwed up and move until the disconnection of being connected between connecting piece 22 and screwhead 12, make screwhead 22 not have the stress point can't be unscrewed, through theftproof end cap 23 and arch 220, die fix the end cap card in head recess 13, instrument such as restriction screwdriver, spanner insert head recess 13, improve the theftproof performance of screw good, safe and reliable.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the present invention.
Claims (8)
1. A disposable anti-theft screw is characterized in that: including screw main part (1) and anti-theft component (2), screw main part (1) include screw rod (11), screwhead (12) and head recess (13), the top of screw rod (11) be equipped with screwhead (12), the top of screwhead (12) inwards be sunken and be equipped with head recess (13), the top of screwhead (12) be equipped with anti-theft component (2), anti-theft component (2) including screwing up portion (21), connecting piece (22) and theftproof end cap (23), the cross sectional shape of screwing up portion (21) be regular hexagon, the bottom of screwing up portion (21) be equipped with a plurality of connecting pieces (22), the inside of connecting piece (22) be equipped with theftproof end cap (23), theftproof end cap (23) with the bottom fixed connection of recess (13).
2. A disposable antitheft screw according to claim 1 characterized in that: the inner side of the bottom of the connecting piece (22) is provided with a bulge (220), the outer contour of the anti-theft plug (23) is matched with the bulge (220), and the outer contour of the anti-theft plug (23) is circular.
3. A disposable antitheft screw according to claim 1 characterized in that: the upper end surface of the anti-theft plug (23) is flush with the upper end surface of the head groove (13) or slightly lower than the upper end surface of the head groove (13).
4. A disposable antitheft screw according to claim 1 characterized in that: the bottom of the screw head (12) is provided with an anti-skid gasket (3).
5. A disposable antitheft screw according to claim 1 characterized in that: the cross section of the head groove (13) is in a regular hexagon shape, and the side length of the head groove (13) is smaller than that of the tightening part (21).
6. A disposable antitheft screw according to claim 1 characterized in that: the number of the connecting pieces (22) is 6, and the connecting pieces (22) are arranged in a hexagonal one-to-one correspondence with the head grooves (13).
7. A disposable antitheft screw according to claim 1 characterized in that: the screw rod (11) and the screw head (12) are of an integral structure, and the screw rod (11), the screw head (12) and the tightening part (21) are coaxially arranged.
8. A disposable antitheft screw according to any of claims 1 to 7, characterized by: the maximum length of the tightening part (21) is equal to the diameter of the upper end surface of the screw head (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920887218.1U CN210318134U (en) | 2019-06-13 | 2019-06-13 | Disposable anti-theft screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920887218.1U CN210318134U (en) | 2019-06-13 | 2019-06-13 | Disposable anti-theft screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210318134U true CN210318134U (en) | 2020-04-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920887218.1U Active CN210318134U (en) | 2019-06-13 | 2019-06-13 | Disposable anti-theft screw |
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| Country | Link |
|---|---|
| CN (1) | CN210318134U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110159641A (en) * | 2019-06-13 | 2019-08-23 | 海盐宏诚精工科技有限公司 | A kind of disposable anti-theft screw |
-
2019
- 2019-06-13 CN CN201920887218.1U patent/CN210318134U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110159641A (en) * | 2019-06-13 | 2019-08-23 | 海盐宏诚精工科技有限公司 | A kind of disposable anti-theft screw |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 314300 Tongyuan village, Tongyuan Town, Haiyan County, Jiaxing, Zhejiang Patentee after: Jiaxing Hongcheng Seiko technology Co.,Ltd. Address before: 314300 Tongyuan village, Tongyuan Town, Haiyan County, Jiaxing, Zhejiang Patentee before: HAIYAN H&C FASTENER Co.,Ltd. |