CN206738368U - Anti-theft bolt - Google Patents
Anti-theft bolt Download PDFInfo
- Publication number
- CN206738368U CN206738368U CN201720299630.2U CN201720299630U CN206738368U CN 206738368 U CN206738368 U CN 206738368U CN 201720299630 U CN201720299630 U CN 201720299630U CN 206738368 U CN206738368 U CN 206738368U
- Authority
- CN
- China
- Prior art keywords
- bolt
- bolt head
- projection
- cap
- shank
- Prior art date
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a kind of anti-theft bolt, including screwed shank of bolt and the bolt head for being connected to shank of bolt one end, stubborn cap and deduction cap are provided with outside bolt head, twist cap and the screens groove coordinated with screwdriver is provided with away from the side of bolt head, deduction cap is provided with the holding tank for accommodating bolt head, the through hole for being provided centrally with passing through for shank of bolt at receiving groove center of holding tank, close to the side of shank of bolt, one of them is connected with projection to the bottom land and bolt head of holding tank, another is connected with drive block, the side of projection includes the bearing surface of the axis parallel to bolt head and the transition face that is connected with bearing surface transition, when drive block is connected to bearing surface, drive block drives projection to rotate, the edge at the edge of deduction cap and stubborn cap is welded and fixed.The beneficial effects of the utility model are：The anti-theft bolt, without being installed by specific instrument, improves the convenience of installation on the premise of it can play anti-theft function.
Description
Technical field
Bolt is the utility model is related to, more particularly to a kind of anti-theft bolt.
Background technology
It is well known that bolt of the prior art includes shank of bolt and the bolt head being connected with shank of bolt.Set on shank of bolt
Screw thread is equipped with, is easy to be threadedly coupled with various objects.Cross recess or flower-shape groove are provided with bolt head, for screwdriver etc.
Instrument coordinates, and facilitates screw-in and the back-out of bolt.The bolt and instrument of this structure coordinate, can very easily precession object,
It can very easily back-out from object, there is the effect reused.But just because of this, this bolt cannot be used for fastening or
Installation needs antitheft permanent installation.
Notification number is that CN202560776U Chinese patent discloses a kind of anti-theft bolt.When being installed, this is prevented
The bolt head for stealing bolt is stretched into specific body, allows the first breach of body to abut the first protuberance, the second breach abuts the
Two protuberances, then press and rotate body with the hand of spiral identical direction of screw thread on shank of bolt, anti-theft bolt can be allowed to screw in quilt
Securing objects.And when body rotates backward, body loses the abutting with the first protuberance and the second protuberance, so that can not band
Dynamic bolt head rotates, and also just anti-theft bolt can not be allowed to be separated with by securing objects.
But the anti-theft bolt when being installed, it is necessary to be matched somebody with somebody by specific body and the anti-theft bolt instrument
Conjunction could be installed, and cause the inconvenience installed, have much room for improvement.
Utility model content
The purpose of this utility model is to provide a kind of anti-theft bolt.The anti-theft bolt can play the premise of anti-theft function
Under, without being installed by specific instrument, improve the convenience of installation.
Above-mentioned technical purpose of the present utility model technical scheme is that：
A kind of anti-theft bolt, including screwed shank of bolt and the bolt head for being connected to shank of bolt one end, the bolt
Head is outside to be provided with stubborn cap and deduction cap, and the stubborn cap is provided with the screens groove coordinated with screwdriver, institute away from the side of bolt head
State deduction cap and be provided with the holding tank for accommodating bolt head, being provided centrally with being located at receiving groove center for the holding tank is used for bolt
The through hole that bar passes through, one of them is connected with projection close to the side of shank of bolt for the bottom land and bolt head of the holding tank,
Another is connected with drive block, and the side of the projection includes the bearing surface and and bearing surface of the axis parallel to bolt head
The transition face of transition connection, described when drive block is connected to bearing surface, drive block drives projection to rotate, the edge of the deduction cap
It is welded and fixed with the edge of stubborn cap.
By using above-mentioned technical proposal, when screwdriver is caught in screens groove to drive stubborn cap around the hand of spiral of shank of bolt
During rotation, twist hatband and move deduction cap rotation.And deduction cap turns to the bearing surface that drive block is connected to projection, then drive block and projection are total to
With rotation, and then drive bolt head to rotate, and then drive shank of bolt to rotate.When screwdriver rotates backward, stubborn cap, which also drives, to be buckled
Cap rotates.And during deduction cap rotation, drive block is connected to the transition face of projection and relative bump rotates, so as to cause spiral shell
Bolt head can not follow deduction cap to rotate, and also can not just cause shank of bolt to rotate, play anti-theft function.Therefore, the anti-theft bolt
Without being installed by specific instrument, the convenience of installation is improved.
The utility model is further arranged to：The projection is integrally connected to bolt head close to the side of shank of bolt.
By using above-mentioned technical proposal, if projection is integrally connected to the bottom land of holding tank, projection need to be provided with
Through hole through holding tank etc. is big and runs through the hole of projection, is easy to the Kong Houyu bolt heads of shank of bolt through projection to connect.It is and convex
Block is integrally connected to bolt head, then without carrying out tap operation to projection.
The utility model is further arranged to：Along the axial direction of projection, the sectional area size of the projection is from projection and spiral shell
One end of bolt head connection tapers into one end away from bolt head connection.
By using above-mentioned technical proposal, drive block and holding tank bottom land junction are alignd with projection sectional area smaller part,
Alignd with projection sectional area larger part the end of drive block.When the transition face interference that drive block is turned to projection abuts, drive
The end of motion block can occur compared with large deformation, and smaller deformation can occur for drive block and holding tank bottom land junction.If projection and spiral shell
The sectional area of one end of bolt head connection is less than the sectional area of one end away from bolt head connection, then drive block and holding tank bottom land connect
The place of connecing can occur compared with large deformation, drive the end of drive block and more large deformation can then occur.Meanwhile if what projection was connected with bolt head
The sectional area of one end is less than the sectional area of one end away from bolt head connection, then the connection area of projection and bolt head is smaller, no
Beneficial to the raising of projection and the bonding strength of bolt head.
The utility model is further arranged to：The bearing surface is provided with multiple, and multiple bearing surfaces are along bolt head
Circumferencial direction equidistantly distributed.
By using above-mentioned technical proposal, if bearing surface only sets 1, when carrying out the installation of anti-theft bolt, spiral shell is operated
Silk knife drives drive block to rotate around with shank of bolt hand of spiral identical rotation direction, and the angle that drive block rotation be present approaches
360 ° can make the situation that drive block abuts with bearing surface.And bearing surface sets the angle maximum multiple, then that drive block rotates
Drive block can be achieved for 180 ° to abut with bearing surface, so as to the efficiency that speeds operations.
The utility model is further arranged to：The diameter of the stubborn cap is equal with the diameter of bolt head, the holding tank
The diameter of internal diameter and bolt head is equal, and the thickness of the projection, the thickness of bolt head and the thickness sum of the side of stubborn cap are equal to
The cell wall thickness of holding tank.
By using above-mentioned technical proposal, it is welded and fixed due to twisting the edge of cap and the edge of deduction cap, therefore welding
When connecing, the side for twisting cap is located in holding tank, molten metal caused by welding is entered in holding tank.
In summary, the utility model has the advantages that：
Switched over using drive block and projection between synchronous axial system and the two states of relative rotation, using stubborn cap and
The welding of deduction cap drives drive block to rotate, and the integrally connected of projection and bolt head drives shank of bolt to rotate, so as to realize operation spiral shell
Silk knife is the installation that anti-theft bolt can be achieved, and can also ensure that and reaches theftproof performance.
Brief description of the drawings
Fig. 1 is the exploded perspective view of embodiment；
Fig. 2 is the structural representation of deduction cap in embodiment；
Fig. 3 is the structural representation of embodiment.
Reference：1st, bolt head；2nd, projection；3rd, bearing surface；4th, transition face；5th, shank of bolt；6th, deduction cap；7th, through hole；8、
Holding tank；9th, drive block；10th, cap is twisted；11st, screens groove.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
Reference picture 1, a kind of anti-theft bolt, including columned bolt head 1.The side of bolt head 1 is connected with projection
2.The mistake that the side of projection 2 includes the bearing surface 3 of three axis parallel to bolt head 1 and is connected with two transition of bearing surface 3
Cross face 4.Circle distribution equidistantly distributed of three bearing surfaces 3 along bolt head 1.Along the axial direction of projection 2, the section of projection 2
Product size tapers into from projection 2 with one end that bolt head 1 is connected to one end away from bolt head 1.Projection 2 is away from bolt head 1
One end be connected with screwed shank of bolt 5.
With reference to Fig. 1 and 2, shank of bolt 5 is socketed with deduction cap 6, and deduction cap 6 is provided through what deduction cap 6 passed through for shank of bolt 5
Through hole 7.Deduction cap 6 is provided with holding tank 8 towards the side of projection 2.The bottom land of holding tank 8 is connected with and three bearing surfaces 3
One-to-one three drive blocks 9.Circumferencial direction equidistantly distributed of three drive blocks 9 along holding tank 8.When drive block 9 supports
When being connected to bearing surface 3, drive block 9 and projection 2 rotate simultaneously.When drive block 9 is connected to the transition face 4 of projection 2, drive block 9
Relative bump 2 rotates.
Reference picture 1 and 3, the edge of deduction cap 6 are welded with stubborn cap 10.Twist cap 10 and deduction cap 6 and be located at the two of bolt head 1 respectively
Side.Twist cap 10 and the screens groove 11 coordinated with screwdriver is provided with away from the side of deduction cap 6.
Reference picture 1 and 3, the diameter of stubborn cap 10 is equal with the diameter of bolt head 1, and the diameter of holding tank 8 and bolt head 1
Diameter is equal.The cell wall that the thickness sum of the side of the thickness of projection 2, the thickness of bolt head 1 and stubborn cap 10 is equal to holding tank 8 is thick
Degree.In welding, the side for twisting cap 10 is located in holding tank 8, molten metal caused by welding is entered holding tank 8
In.
The course of work：When screwdriver is caught in screens groove 11 to drive stubborn cap 10 to be rotated around the hand of spiral of shank of bolt 5,
Twisting cap 10 drives deduction cap 6 to rotate.And deduction cap 6 turns to the bearing surface 3 that drive block 9 is connected to projection 2, then drive block 9 and projection 2
Common rotation, and then drive bolt head 1 to rotate, and then drive shank of bolt 5 to rotate.When screwdriver rotates backward, cap 10 is twisted
Deduction cap 6 is driven to rotate.And during the rotation of deduction cap 6, drive block 9 is connected to the transition face 4 of projection 2 and relative bump 2 rotates, from
And can not cause bolt head 1 that deduction cap 6 can not be followed to rotate, it also can not just cause shank of bolt 5 to rotate, play anti-theft function.
Therefore, the anti-theft bolt improves the convenience of installation without being installed by specific instrument.
This specific embodiment is only that it is not to limitation of the present utility model, ability to explanation of the present utility model
Field technique personnel can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but
As long as all protected in right of the present utility model by Patent Law.
Claims (5)
1. a kind of anti-theft bolt, including screwed shank of bolt (5) and the bolt head (1) for being connected to shank of bolt (5) one end, its
It is characterized in：Stubborn cap (10) and deduction cap (6) are provided with outside the bolt head (1), the stubborn cap (10) deviates from the one of bolt head (1)
Side is provided with the screens groove (11) coordinated with screwdriver, and the deduction cap (6) is provided with the holding tank (8) for accommodating bolt head (1), institute
State the through hole (7) for being provided centrally with passing through for shank of bolt (5) at holding tank (8) center of holding tank (8), the receiving
Close to the side of shank of bolt (5), one of them is connected with projection (2), another one to the bottom land and bolt head (1) of groove (8)
Drive block (9) is connected with, the side of the projection (2) is included parallel to the bearing surface (3) of the axis of bolt head (1) and with abutting
The transition face (4) of face (3) transition connection, when drive block (9) is connected to bearing surface (3), drive block (9) drives projection (2) to turn
Dynamic, the edge at the edge and stubborn cap (10) of the deduction cap (6) is welded and fixed.
2. anti-theft bolt according to claim 1, it is characterized in that：It is close that the projection (2) is integrally connected to bolt head (1)
The side of shank of bolt (5).
3. anti-theft bolt according to claim 2, it is characterized in that：Along the axial direction of projection (2), the projection (2) is cut
Size tapers into from projection (2) with one end that bolt head (1) is connected to one end away from bolt head (1) connection.
4. anti-theft bolt according to claim 1, it is characterized in that：The bearing surface (3) be provided with it is multiple, it is multiple described to support
Circumferencial direction equidistantly distributed of the junction (3) along bolt head (1).
5. anti-theft bolt according to claim 1, it is characterized in that：The diameter of the stubborn cap (10) is straight with bolt head (1)
Footpath is equal, and the internal diameter of the holding tank (8) and the diameter of bolt head (1) are equal, the thickness of the projection (2), bolt head (1)
The thickness sum of thickness and the side of stubborn cap (10) is equal to the cell wall thickness of holding tank (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720299630.2U CN206738368U (en) | 2017-03-25 | 2017-03-25 | Anti-theft bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720299630.2U CN206738368U (en) | 2017-03-25 | 2017-03-25 | Anti-theft bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206738368U true CN206738368U (en) | 2017-12-12 |
Family
ID=60556674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720299630.2U Expired - Fee Related CN206738368U (en) | 2017-03-25 | 2017-03-25 | Anti-theft bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206738368U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108825632A (en) * | 2018-07-05 | 2018-11-16 | 杭州杭氧膨胀机有限公司 | A kind of protecting casing for preventing screw connection from loosening |
| WO2021197095A1 (en) * | 2020-04-02 | 2021-10-07 | 李英宇 | Anti-theft fixing and sealing device for motor vehicle license plate |
-
2017
- 2017-03-25 CN CN201720299630.2U patent/CN206738368U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108825632A (en) * | 2018-07-05 | 2018-11-16 | 杭州杭氧膨胀机有限公司 | A kind of protecting casing for preventing screw connection from loosening |
| WO2021197095A1 (en) * | 2020-04-02 | 2021-10-07 | 李英宇 | Anti-theft fixing and sealing device for motor vehicle license plate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171212 Termination date: 20200325 |