CN107588085A - A kind of antitheft bolt device - Google Patents
A kind of antitheft bolt device Download PDFInfo
- Publication number
- CN107588085A CN107588085A CN201710761494.9A CN201710761494A CN107588085A CN 107588085 A CN107588085 A CN 107588085A CN 201710761494 A CN201710761494 A CN 201710761494A CN 107588085 A CN107588085 A CN 107588085A
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- China
- Prior art keywords
- bolt
- head
- annular groove
- fixture block
- bolt head
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The invention discloses a kind of antitheft bolt device, including dust cover, bolt body and special spanner, the bolt body includes bolt head and threaded post；It is conical surface frustum cone structure at the top of the bolt head, is provided with annular groove at the top of the bolt head, the annular groove inner bottom surface is provided with a circular projection upwards, and the annular groove is provided with 24 hole clippings along madial wall around its axle center；The outside of the bolt head is provided with external screw thread, and the dust cover is socketed in the outside of the bolt head by the examination of screw thread engagement side.The special spanner includes Wrench head and handle portion, the Wrench head side is provided with an annular boss being adapted perpendicular to the Wrench head surface with the annular groove, the cavity of receiving can be adapted with the circular projection by being provided with the annular boss, and the annular boss lateral wall position corresponding with the hole clipping is provided with and can probeed into the fixture block in the hole clipping.
Description
Technical field
The present invention relates to mechanical manufacturing field, more particularly to a kind of antitheft bolt device.
Background technology
Bolt is a kind of conventional secure component, for being fixedly connected for different mechanical parts, is especially widely applied
In the field infrastructure such as railroad rail, signal communication cabinet, bridge steel tower, but the installation of existing bolt is very square with dismantling
Just, the bolt that above-mentioned occasion uses is easy to be disassembled by criminal and is stolen or destroyed, and has very big peace
Full hidden danger, and most of bolts are directly exposed in air, and get rusty easily aging over time, occurs hidden danger safely.
The content of the invention
The shortcomings that in order to overcome in the prior art, it is an object of the invention to provide a kind of antitheft bolt device and and its
Supporting special spanner.The antitheft bolt device must use extracting tool and the bolt of specialty coordinate could by Bolt dismantling,
With efficient anti-theft capability, potential safety hazard when bolt uses is prevented, has been opened with air exclusion, reduced aging phenomenon of getting rusty.
Technical scheme
A kind of antitheft bolt device, including dust cover, bolt body and special spanner, the bolt body include bolt head
And threaded post；It is conical surface frustum cone structure at the top of the bolt head, annular groove, the annular groove is provided with the top of the bolt head
Inner bottom surface is provided with a circular projection upwards, and the annular groove is provided with 2-4 hole clipping along madial wall around its axle center；It is described
The outside of bolt head is provided with external screw thread, and the dust cover is socketed in the outside of the bolt head by the examination of screw thread engagement side.
The quantity of the hole clipping is 3, is distributed in Y types on the madial wall of the annular groove, adjacent 2 hole clippings
Between angle be respectively 60 °, 150 ° and 150 °.
The bottom of the dust cover and the bolt head is equipped with anti-slop serrations layer.
The special spanner, supported the use with a kind of above-mentioned antitheft bolt device；The special spanner includes driving end
Portion and handle portion, the Wrench head side are adapted provided with one perpendicular to the Wrench head surface with the annular groove
Annular boss, the cavity that receiving can be adapted with the circular projection, the annular boss are provided with the annular boss
The lateral wall position corresponding with the hole clipping is provided with and can probeed into the fixture block in the hole clipping.
The fixture block is structure as a whole with the annular boss lateral wall.
The fixture block may contract in the lateral wall of the annular boss, is provided with the annular boss lateral wall and accommodates institute
The cavity that fixture block retracts into is stated, the back-moving spring that outward thrust is produced to the fixture block is provided with inside the cavity.
Beneficial effect
Compared with prior art, the invention has the advantages that：
1st, the conical surface frustum cone structure at the top of bolt head, annular groove and circular projection limit it to be made up of space
His conventional general utility tool completes the dismounting of next step after being contacted to hole clipping, the anti-theft bolt in the present invention made must be by special
Track wrench could be dismantled or be fastened installation to it.
2nd, annular groove is provided with the top of the bolt head, the Wrench head of special spanner is the ring being adapted with annular groove
Shape boss, the annular boss of Wrench head is embedded in annular groove, coordinated by the insertion of fixture block and hole clipping, passed through
Handle portion rotating spanner head makes Wrench head and bolt head form direct moment of torsion, so as to complete dismounting to anti-theft bolt or
Fastening.
3rd, by back-moving spring and cavity, fixture block is enable smoothly to be slided to along the side wall of annular groove to hole clipping, shape
Into locking.
4th, the bottom of dust cover and bolt head is equipped with anti-slop serrations layer, for reducing the loosened screw caused by vibration.
5th, dust cover prevents silt from entering in bolt head annular groove, influences dismounting and change of bolt etc., while can also subtract
Few contact with water, avoid getting rusty.
Brief description of the drawings
Fig. 1 is a kind of structural representation of antitheft bolt device in the present invention.
Fig. 2 is the side elevational cross-section schematic diagram of bolt head in Fig. 1.
Fig. 3 is the schematic top plan view of bolt head in Fig. 2
Drawing reference numeral
1- dust covers, 2- bolt bodies, 3- bolt heads, 4- threaded posts, 5- annular grooves, 6- circles projection, 7- hole clippings, 8-
External screw thread, 9- anti-slop serrations layer, 10- special spanners, 11- Wrench heads, 12- handle portions, 13- annular boss, 14- cavitys, 15- cards
Block, 16- back-moving springs, 17- fixture block chambers.
Embodiment
The present invention is further described with reference to specific embodiment, but does not limit the invention to these tools
Body embodiment.One skilled in the art would recognize that present invention encompasses may include in Claims scope
All alternatives, improvement project and equivalents.
Fig. 1 is a kind of structural representation of antitheft bolt device in the present invention；Fig. 2 is the side elevational cross-section of bolt head in Fig. 1
Schematic diagram；Fig. 3 is the schematic top plan view of bolt head in Fig. 2.As shown in Fig. 1-Fig. 3：The invention discloses a kind of anti-theft bolt dress
Put, including dust cover 1, bolt body 2 and special spanner 10, bolt body 2 include bolt head 3 and threaded post 4；Bolt head 3 pushes up
Portion is conical surface frustum cone structure, and the top of bolt head 3 is provided with annular groove 5, and the inner bottom surface of annular groove 5 is provided with a circular projection upwards
6, the conical surface frustum cone structure at the top of bolt head 3；Annular groove 5 is provided with 2-4 hole clipping 7 along madial wall around its axle center；This reality
The quantity for applying preferred hole clipping 7 in example is 3, is distributed in Y types on the madial wall of annular groove 5, between adjacent 2 hole clippings 7
Angle is respectively 60 °, 150 ° and 150 °, and special spanner 10 includes Wrench head 11 and handle portion 12, and the side of Wrench head 11 is set
There is an annular boss 13 being adapted perpendicular to the surface of Wrench head 11 with annular groove 5, being provided with annular boss 13 can
The cavity 14 of receiving is adapted with circular projection 6, the lateral wall of annular boss 13 position corresponding with hole clipping 7 is provided with and can visited
Enter to the fixture block 15 in hole clipping 7.Hole clipping 7 is easier the fixture block 15 of Wrench head 11 being inserted into hole clipping 7 in Y-shaped distribution
It is interior, it is simple and convenient.
Fixture block 15 is structure as a whole with the lateral wall of annular boss 13, and intensity highest is, it is necessary to first by the fixture block 15 on independent one side
It is inserted into by the hole clipping 7 on opposite position, then adjusts the horizontality of Wrench head 11 again.By the card on other positions direction
Block 15 is corresponded to by hole clipping 7, until all cards fast 15 are all inserted into hole clipping 7.
Further, annular groove 5 and circular projection 6 limit other conventional general utility tools pair to be disturbed by space
Hole clipping 77 completes the dismounting of next step after contacting, the anti-theft bolt in the present invention made must pass through special track wrench ability
Installation is dismantled or fastened to it.
Specifically, the top of bolt head 3 is provided with annular groove 5, the Wrench head 11 of special spanner 10 is and the phase of annular groove 5
The annular boss 13 of adaptation, the annular boss 13 of Wrench head 11 is embedded in annular groove 5, pass through fixture block 15 and card
The insertion in hole 7 coordinates, and Wrench head 11 is formed direct moment of torsion with bolt head 3 by the rotating spanner head of handle portion 12, so as to
Complete the dismounting or fastening to anti-theft bolt.
The outside of bolt head 3 is provided with external screw thread 8, and dust cover 1 is socketed in the outside of bolt head 3 by the examination of screw thread engagement side,
Further, dust cover 1 prevents silt from entering in the annular groove 5 of bolt head 3, influences dismounting and change of bolt etc., while
The contact with water can be reduced, avoids bolt head 3 from getting rusty.
The bottom of dust cover 1 and bolt head 3 is equipped with anti-slop serrations layer 9, for reducing the loosened screw caused by vibration.
The present invention also has second embodiment, and in a second embodiment, fixture block 15 may contract to the outside of annular boss 13
It is provided with wall, in the lateral wall of annular boss 13 and accommodates the fixture block chamber 17 that fixture block 15 retracts into, fixture block chamber 17, which is provided with, prevents fixture block
The 15 limited mouth (not shown) departed from from annular boss 13, while (do not show provided with limited block on the fixture block 15 in fixture block chamber 17
Go out), prevent fixture block 15 from departing from fixture block chamber 17, a fixture block chamber 17 is only marked in order to illustrate, in Fig. 1.Inside fixture block chamber 17
Provided with the back-moving spring 16 that outward thrust is produced to fixture block 15.By back-moving spring 16 and the expansion fit of fixture block chamber 17, make card
Block 15 can be slided to smoothly to hole clipping 7 along the side wall of annular groove 5, form clamping fixed of the fixture block 15 to hole clipping 7, simply
Effectively, it is easy to promote.
Claims (6)
- A kind of 1. antitheft bolt device, it is characterised in that：Including dust cover, bolt body and special spanner, the bolt body Including bolt head and threaded post；It is conical surface frustum cone structure at the top of the bolt head, annular groove, institute is provided with the top of the bolt head State annular groove inner bottom surface and be provided with a circular projection upwards, the annular groove is provided with 2-4 along madial wall around its axle center Individual hole clipping；The outside of the bolt head is provided with external screw thread, and the dust cover is socketed in the bolt head by the examination of screw thread engagement side Outside；The special spanner is used for and the bolt body supports the use.
- A kind of 2. antitheft bolt device according to claim 1, it is characterised in that：The quantity of the hole clipping is 3, in Y Type is distributed on the madial wall of the annular groove, and the angle between adjacent 2 hole clippings is respectively 60 °, 150 ° and 150 °.
- A kind of 3. antitheft bolt device according to claim 1, it is characterised in that：The dust cover and the bolt head Bottom is equipped with anti-slop serrations layer.
- A kind of 4. antitheft bolt device according to claim 1, it is characterised in that：The special spanner includes Wrench head With handle portion, the Wrench head side is provided with one and is adapted with the annular groove perpendicular to the Wrench head surface Annular boss, is provided with the cavity that receiving can be adapted with the circular projection in the annular boss, outside the annular boss The side wall position corresponding with the hole clipping is provided with and can probeed into the fixture block in the hole clipping.
- 5. according to a kind of antitheft bolt device described in claim 1 and 4, it is characterised in that：The fixture block and the convex annular Platform lateral wall is structure as a whole.
- 6. according to a kind of antitheft bolt device described in claim 1 and 4, it is characterised in that：The fixture block may contract to described It is provided with the lateral wall of annular boss, in the annular boss lateral wall and accommodates the cavity that the fixture block retracts into, it is described recessed Intracavitary portion is provided with the back-moving spring that outward thrust is produced to the fixture block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710761494.9A CN107588085A (en) | 2017-08-09 | 2017-08-09 | A kind of antitheft bolt device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710761494.9A CN107588085A (en) | 2017-08-09 | 2017-08-09 | A kind of antitheft bolt device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107588085A true CN107588085A (en) | 2018-01-16 |
Family
ID=61050602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710761494.9A Pending CN107588085A (en) | 2017-08-09 | 2017-08-09 | A kind of antitheft bolt device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107588085A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108488180A (en) * | 2018-05-21 | 2018-09-04 | 中国电建集团中南勘测设计研究院有限公司 | A kind of the protection bolt and opening device, protection structure on centering chassis |
| CN112032172A (en) * | 2020-08-27 | 2020-12-04 | 温州广全标准件制造有限公司 | Inner hexagon bolt |
| CN114074304A (en) * | 2020-08-18 | 2022-02-22 | 青岛长淮机械有限公司 | Glass nail spanner |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203348286U (en) * | 2013-07-11 | 2013-12-18 | 金尚新能源科技股份有限公司 | Disassembly prevention antitheft bolt and special tool |
| CN103697049A (en) * | 2013-10-14 | 2014-04-02 | 芜湖市顺昌汽车配件有限公司 | Anti-theft bolt and matched special sleeve tube thereof |
| CN205858928U (en) * | 2016-07-12 | 2017-01-04 | 张练习 | A kind of anti-theft bolt |
| CN106382292A (en) * | 2016-10-31 | 2017-02-08 | 山东圣阳电源股份有限公司 | Anti-theft bolt, wrench and storage battery cabinet frame |
-
2017
- 2017-08-09 CN CN201710761494.9A patent/CN107588085A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203348286U (en) * | 2013-07-11 | 2013-12-18 | 金尚新能源科技股份有限公司 | Disassembly prevention antitheft bolt and special tool |
| CN103697049A (en) * | 2013-10-14 | 2014-04-02 | 芜湖市顺昌汽车配件有限公司 | Anti-theft bolt and matched special sleeve tube thereof |
| CN205858928U (en) * | 2016-07-12 | 2017-01-04 | 张练习 | A kind of anti-theft bolt |
| CN106382292A (en) * | 2016-10-31 | 2017-02-08 | 山东圣阳电源股份有限公司 | Anti-theft bolt, wrench and storage battery cabinet frame |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108488180A (en) * | 2018-05-21 | 2018-09-04 | 中国电建集团中南勘测设计研究院有限公司 | A kind of the protection bolt and opening device, protection structure on centering chassis |
| CN108488180B (en) * | 2018-05-21 | 2024-03-12 | 中国电建集团中南勘测设计研究院有限公司 | Protective bolt of centering chassis, opening device and protective structure |
| CN114074304A (en) * | 2020-08-18 | 2022-02-22 | 青岛长淮机械有限公司 | Glass nail spanner |
| CN112032172A (en) * | 2020-08-27 | 2020-12-04 | 温州广全标准件制造有限公司 | Inner hexagon bolt |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180116 |
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| RJ01 | Rejection of invention patent application after publication |