CN207195421U - A kind of anti-theft bolt group for being not easy to remove - Google Patents
A kind of anti-theft bolt group for being not easy to remove Download PDFInfo
- Publication number
- CN207195421U CN207195421U CN201720924592.5U CN201720924592U CN207195421U CN 207195421 U CN207195421 U CN 207195421U CN 201720924592 U CN201720924592 U CN 201720924592U CN 207195421 U CN207195421 U CN 207195421U
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- groove
- briquetting
- easy
- driving screw
- remove
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Abstract
The utility model discloses a kind of anti-theft bolt group for being not easy to remove, including bolt head, driving screw, latch segment, briquetting, nut body, oppress block, regulating bolt, the bolt head is in flat hexagon, bolt head bottom centre is fixed with driving screw, driving screw is provided with the first external screw thread, the driving screw bottom centre is provided with a groove, groove is in truncated cone, the groover rot diameter of groove is less than the openend diameter of groove, the briquetting is in truncated cone, the angle of inclination of briquetting outer wall is consistent with the angle of inclination of groove inner wall, briquetting bottom is provided with an auxiliary rod, the driving screw bottom is provided with some cuttings and stitched, the side wall of groove is divided into some latch segments by cutting seam.The utility model coordinates briquetting that bolt screw rod end after tightening is sufficiently deformed so that screw rod is not easy to be unscrewed by the way that cutting seam is divided into some latch segments by the side wall of groove.
Description
【Technical field】
It the utility model is related to the technical field of the technical field of fastener, particularly bolt group.
【Background technology】
A kind of conventional part of fastener, different objects can be fixed together by it.Bolt group is a kind of conventional
Fastener, it is often made up of screw bolt and nut.Existing bolt group is easily unscrewed when in use, at some important positions
As freeway guardrail is not suitable for using.Although there is some bolt groups to have an anti-theft feature, anti-theft effect is not ideal enough.
【Utility model content】
The purpose of this utility model is exactly to solve the problems of the prior art, proposes a kind of anti-theft bolt for being not easy to remove
Group, bolt can be made to be not easy to be removed, there is good anti-theft effect.
To achieve the above object, the utility model proposes a kind of anti-theft bolt group for being not easy to remove, including bolt head, master
Screw rod, latch segment, briquetting, nut body, compressing block, regulating bolt, the bolt head is in flat hexagon, bolt head bottom
Portion center is fixed with driving screw, and driving screw is provided with the first external screw thread, and the driving screw bottom centre is provided with a groove, groove
In truncated cone, the groover rot diameter of groove is less than the openend diameter of groove, and the briquetting is in truncated cone, and briquetting outer wall inclines
Rake angle is consistent with the angle of inclination of groove inner wall, and briquetting bottom is provided with an auxiliary rod, and the driving screw bottom is provided with some
The side wall of groove is divided into some latch segments by cutting seam, cutting seam, and the nut body is provided with a main thread hole, nut
Body is screwed on driving screw by main thread hole, and the main thread bottom hole portion is provided with a clamping slot, and clamping slot is in up-small and down-big
Truncated cone, the side wall in the main thread hole is provided with some side openings, a compressing block is provided with side opening, oppresses the close of block
Main thread hole side is an arcwall face, and diameter of a circle where oppressing the arcwall face of block is identical with the minimum diameter in main thread hole, described
Nut body is provided with some side screwed holes being connected with side opening, and regulating bolt is screwed with screwed hole.
Preferably, the elongated surfaces of the cutting seam are intersected on the axis of driving screw, the depth of cutting seam depth and groove
Spend identical.
Preferably, the bottom land center of the groove is provided with a bullport, a guiding bar is fixed with the top of briquetting,
Guiding bar is stretched into bullport.
Preferably, the guiding bar is provided with the second external screw thread, bullport inwall is provided with to match with the second external screw thread
The second internal thread closed, the first external screw thread and the second externally threaded hand of spiral are on the contrary, auxiliary rod bottom is provided with auxiliary tappet head.
Preferably, the arcwall face of the compressing block is provided with some burrs, burr moves towards to put down with the trend in main thread hole
OK.
Preferably, the side opening inwall is provided with some guiding grooves, compressing block side wall is provided with some with guiding groove phase
The guide ribs of cooperation.
Preferably, the side opening and main thread hole connecting place periphery are provided with a circle without thread area, no thread area edge with
The distance between side opening edge be main screwed hole tooth away from 0.5-1.5 times.
The beneficial effects of the utility model：The utility model by the side wall of groove by cutting seam by being divided into some lockings
Block, coordinate briquetting that bolt screw rod end after tightening is sufficiently deformed so that screw rod is not easy to be unscrewed；Guiding bar coordinates and drawn
Guide hole causes briquetting preferably to play a role so that the deformation extent of each latch segment reaches unanimity；The setting of clamping slot causes
The deformation of each latch segment can preferably reach unanimity, and improve locking effect；Coordinated between guiding bar and bullport using screw thread,
So that briquetting can be preferably pressed into；Compressing block is arranged in side opening so that compressing block can will be with nut after nut body is tightened
Part thread on the driving screw of this mates is destroyed so that nut can not be turned easily, be served very well
Anti-theft effect；The setting of regulating bolt make it that oppress block preferably can destroy to thread, easy to use；The setting of burr
So that compressing block has more preferable effect.
Feature and advantage of the present utility model will be described in detail by embodiment combination accompanying drawing.
【Brief description of the drawings】
Fig. 1 is a kind of front view for the anti-theft bolt group for being not easy to remove of the utility model；
Fig. 2 is a kind of driving screw schematic diagram for the anti-theft bolt group for being not easy to remove of the utility model；
Fig. 3 is a kind of nut body schematic diagram for the anti-theft bolt group for being not easy to remove of the utility model.
In figure：1- bolt heads, 2- driving screws, 3- briquettings, 4- nut bodies, 5- compressings block, the external screw threads of 20- first, 21- are recessed
Groove, 22- cuttings seam, 23- latch segments, 25- bullports, the internal threads of 26- second, 30- auxiliary rods, 31- auxiliary tappet head, 35- draw
Guide rod, the external screw threads of 36- second, 40- main threads hole, 41- side openings, 42- sides screwed hole, 43- guiding grooves, 45- are without thread area, 49-
Clamping slot, 51- guide ribs, 52- regulating bolts.
【Embodiment】
Refering to Fig. 1, Fig. 2 and Fig. 3, a kind of anti-theft bolt group for being not easy to remove of the utility model, including bolt head 1, main spiral shell
Bar 2, latch segment 23, briquetting 3, nut body 4, compressing block 5, regulating bolt 52, the bolt head 1 is in flat hexagon,
The bottom centre of bolt head 1 is fixed with driving screw 2, and driving screw 2 is provided with the first external screw thread 20, and the bottom centre of driving screw 2 sets
There is a groove 21, groove 21 is in truncated cone, and the groover rot diameter of groove 21 is less than the openend diameter of groove 21, the briquetting
3 be in truncated cone, and the angle of inclination of the outer wall of briquetting 3 is consistent with the angle of inclination of the inwall of groove 21, and the bottom of briquetting 3 is auxiliary provided with one
Bar 30 is helped, the bottom of driving screw 2 is provided with some cuttings and stitches 22, and the side wall of groove 21 is divided into some latch segments by cutting seam 22
23, the nut body 4 is provided with a main thread hole 40, and nut body 4 is screwed on driving screw 2 by main thread hole 40, institute
State the bottom of main thread hole 40 and be provided with a clamping slot 49, clamping slot 49 is in up-small and down-big truncated cone, the main thread hole 40
Side wall be provided with some side openings 41, a compressing block 5 is provided with side opening 41, close the side of main thread hole 40 for oppressing block 5 is one
Arcwall face, diameter of a circle where oppressing the arcwall face of block 5 is identical with the minimum diameter in main thread hole 40, on the nut body 4
Provided with some side screwed holes 42 being connected with side opening 41, regulating bolt 52, the extension of the cutting seam 22 are screwed with screwed hole
Face is intersected on the axis of driving screw 2, and cutting 22 depth of seam are identical with the depth of groove 21, and the bottom land center of the groove 21 is set
There is a bullport 25, the top of briquetting 3 is fixed with a guiding bar 35, and guiding bar 35 is stretched into bullport 25, the guiding
Bar 35 is provided with the second external screw thread 36, and the inwall of bullport 25 is provided with the second internal thread 26 being engaged with the second external screw thread 36,
The hand of spiral of first external screw thread 20 and the second external screw thread 36 is on the contrary, the bottom of auxiliary rod 30 is provided with auxiliary tappet head 31, the pressure
The arcwall face for compeling block 5 is provided with some burrs, and burr trend is moved towards parallel with main thread hole 40, set on the inwall of side opening 41
There are some guiding grooves 43, the compressing side wall of block 5 is provided with some guide ribs 51 being engaged with guiding groove 43, the side opening 41 and master
The connecting place periphery of screwed hole 40 is provided with a circle without thread area 45, based on the distance between no edge of thread area 45 and the edge of side opening 41
The tooth of screwed hole 40 away from 0.5-1.5 times.
Utility model works process：
A kind of anti-theft bolt group for being not easy to remove of the utility model in the course of the work, selects the bolt of appropriate length, made
The upper groove bottom land of driving screw 2 after must tightening is located in clamping slot 49, and guiding bar 35 is screwed in bullport 25 after tightening, with
Guiding bar 35 turns, and briquetting 3 oppresses latch segment 23 so that latch segment 23 is bent outwardly deformation so that bolt is locked, is not easy
Unscrew, recover latch segment 23 to initial position even if briquetting 3 is removed, also because in deformation on latch segment 23 first outside
Screw thread 20 has deformed so that bolt still can not be unscrewed easily, then will oppress the compression of block 5 not only using regulating bolt 52
Driving screw 2 so that the partial threads deformation on driving screw 2 so that nut body 4 is not easy to be turned.
Above-described embodiment be to explanation of the present utility model, be not to restriction of the present utility model, it is any new to this practicality
Scheme after type simple transformation belongs to the scope of protection of the utility model.
Claims (7)
- A kind of 1. anti-theft bolt group for being not easy to remove, it is characterised in that：Including bolt head (1), driving screw (2), latch segment (23), Briquetting (3), nut body (4), compressing block (5), regulating bolt (52), the bolt head (1) is in flat hexagon, bolt Head (1) bottom centre is fixed with driving screw (2), and driving screw (2) is provided with the first external screw thread (20), driving screw (2) bottom Center is provided with a groove (21), and groove (21) is in truncated cone, and the groover rot diameter of groove (21) is less than the opening of groove (21) Diameter is held, the briquetting (3) is in truncated cone, the angle of inclination of briquetting (3) outer wall and the angle of inclination one of groove (21) inwall Cause, briquetting (3) bottom is provided with an auxiliary rod (30), and driving screw (2) bottom is provided with some cuttings and stitches (22), cutting seam (22) side wall of groove (21) is divided into some latch segments (23), the nut body (4) is provided with a main thread hole (40), nut body (4) is screwed on driving screw (2) by main thread hole (40), and main thread hole (40) bottom is provided with one Clamping slot (49), clamping slot (49) are in up-small and down-big truncated cone, the main thread hole (40) if side wall be provided with dry side Hole (41), side opening (41) is interior to be provided with a compressing block (5), and close main thread hole (40) side of compressing block (5) is an arcwall face, pressure Diameter of a circle where compeling the arcwall face of block (5) is identical with the minimum diameter of main thread hole (40), and the nut body (4) is provided with Some side screwed holes (42) being connected with side opening (41), regulating bolt (52) is screwed with screwed hole.
- A kind of 2. anti-theft bolt group for being not easy to remove as claimed in claim 1, it is characterised in that：The cutting seam (22) is prolonged Long face is intersected on the axis of driving screw (2), and cutting seam (22) depth is identical with the depth of groove (21).
- A kind of 3. anti-theft bolt group for being not easy to remove as claimed in claim 1, it is characterised in that：The bottom land of the groove (21) Center is provided with a bullport (25), is fixed with a guiding bar (35) at the top of briquetting (3), guiding bar (35) stretches into bullport (25) in.
- A kind of 4. anti-theft bolt group for being not easy to remove as claimed in claim 3, it is characterised in that：Set on the guiding bar (35) There is the second external screw thread (36), bullport (25) inwall is provided with the second internal thread (26) being engaged with the second external screw thread (36), The hand of spiral of first external screw thread (20) and the second external screw thread (36) is on the contrary, auxiliary rod (30) bottom is provided with auxiliary tappet head (31)。
- A kind of 5. anti-theft bolt group for being not easy to remove as claimed in claim 1, it is characterised in that：The arc of the compressing block (5) Shape face is provided with some burrs, and burr trend moves towards parallel with main thread hole (40).
- A kind of 6. anti-theft bolt group for being not easy to remove as claimed in claim 1, it is characterised in that：On side opening (41) inwall Provided with some guiding grooves (43), compressing block (5) side wall is provided with some guide ribs (51) being engaged with guiding groove (43).
- A kind of 7. anti-theft bolt group for being not easy to remove as claimed in claim 1, it is characterised in that：The side opening (41) and main spiral shell Pit (40) connecting place periphery is provided with a circle without thread area (45), between no thread area (45) edge and side opening (41) edge away from From for main screwed hole (40) tooth away from 0.5-1.5 times.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720924592.5U CN207195421U (en) | 2017-07-27 | 2017-07-27 | A kind of anti-theft bolt group for being not easy to remove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720924592.5U CN207195421U (en) | 2017-07-27 | 2017-07-27 | A kind of anti-theft bolt group for being not easy to remove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207195421U true CN207195421U (en) | 2018-04-06 |
Family
ID=61799187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720924592.5U Active CN207195421U (en) | 2017-07-27 | 2017-07-27 | A kind of anti-theft bolt group for being not easy to remove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207195421U (en) |
-
2017
- 2017-07-27 CN CN201720924592.5U patent/CN207195421U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 314300 south of soy sauce port and west of Haiyan bridge, Wanghai street, Haiyan County, Jiaxing City, Zhejiang Province Patentee after: Jiaxing Dongsheng Technology Co., Ltd Address before: Jiaxing City, Zhejiang province 314300 Haiyan Wuyuan Haiyan Bridge West Street South of soy sauce. Patentee before: HAIYAN DONGSHENG FASTENER MANUFACTURING Co.,Ltd. |
|
| CP03 | Change of name, title or address |