CN107725568A - A kind of anti-theft type bolt arrangement - Google Patents
A kind of anti-theft type bolt arrangement Download PDFInfo
- Publication number
- CN107725568A CN107725568A CN201711025617.9A CN201711025617A CN107725568A CN 107725568 A CN107725568 A CN 107725568A CN 201711025617 A CN201711025617 A CN 201711025617A CN 107725568 A CN107725568 A CN 107725568A
- Authority
- CN
- China
- Prior art keywords
- bolt
- screw
- tight lock
- theft type
- lock lever
- 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.)
- Pending
Links
- 238000003780 insertion Methods 0.000 claims abstract description 4
- 230000037431 insertion Effects 0.000 claims abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 8
- 238000000465 moulding Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B41/00—Measures against loss of bolts, nuts, or pins; Measures against unauthorised operation of bolts, nuts or pins
- F16B41/005—Measures against unauthorised operation of bolts, nuts or pins
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B37/00—Nuts or like thread-engaging members
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Connection Of Plates (AREA)
Abstract
The invention discloses a kind of anti-theft type bolt arrangement, belong to technical field of fastening, including bolt, screw rod and the nut matched with bolt, bolt includes bolt head and the body of bolt, and screw rod includes screw head and screw body, the front end of the body of bolt is provided with tight lock part, the end of tight lock part is provided with locking hole, and the front end of screw body is provided with fixed part, and fixed part is provided with the fixing hole for tight lock part insertion, locking hole is located at the front of fixing hole, and is provided with check lock lever in locking hole.Anti-theft type bolt arrangement provided by the invention, fixation is set to link together by the cooperation of screw bolt and nut, the tight lock part on bolt is set to insert in the fixing hole on screw rod simultaneously, then check lock lever is fitted into locking hole, the locking to bolt is realized by the effect of check lock lever, bolt can not be unscrewed from outside, realize anti-theft feature.The structure of the present invention is simple, is easily installed, and be well positioned to meet antitheft requirement.
Description
Technical field
The present invention relates to technical field of fastening, more particularly to a kind of anti-theft type bolt arrangement.
Background technology
The parts such as the steel tower established at present, metal frame, Sewage well cover, its exposed part are easy to occur stolen
Situation, in order to prevent these parts to be stolen, the existing fado that does is to add a part again in the outside of these exposed parts,
Then install, dismantle these exposed parts, although certain anti-theft feature can be played, be added significantly to exposed part into
Originally, installation difficulty and maintenance difficulty.
The content of the invention
In order to solve shortcoming and defect present in above-mentioned prior art, the invention provides a kind of with anti-theft feature
Bolt arrangement.
In order to realize above-mentioned technical purpose, anti-theft type bolt arrangement provided by the invention, including bolt, screw rod and and bolt
The nut of matching, bolt include bolt head and the body of bolt, and screw rod includes screw head and screw body, the front end of the body of bolt
Provided with tight lock part, the end of tight lock part is provided with locking hole, and the front end of screw body is provided with fixed part, and fixed part is provided with and supplies tight lock part
The fixing hole of insertion, locking hole is located at the front of fixing hole, and is provided with check lock lever in locking hole.
Preferably, the tight lock part and fixed part are in flat.
Preferably, the tight lock part is by the front end of the body of bolt through cold-heading aftershaping, and fixed part is by the front end of screw body through cold
Upsetting aftershaping.
Preferably, the tight lock part coordinates with fixing hole for gap, and the unilateral gap between tight lock part and fixing hole is Δ
W, 1mm≤Δ W≤3mm.
Preferably, the length of the check lock lever is W1, and the length of fixing hole is W2, W1 ＞ W2.
Preferably, the check lock lever is cylindrical, and the inwall of locking hole is provided with internal thread, on the axial outer wall of check lock lever
Provided with the external screw thread matched with internal thread, check lock lever is coordinated in locking hole by screw thread.
Preferably, the check lock lever is split pin, and locking hole is through hole.
Preferably, the length and width of the tight lock part is respectively less than the diameter of the body of bolt.
Preferably, the bolt head and screw head are in hexagon.
After adopting the above technical scheme, anti-theft type bolt arrangement provided by the invention has the following advantages that：
1st, anti-theft type bolt arrangement provided by the invention, is improved the mounting structure of bolt, be additionally arranged screw rod and
Check lock lever.When fixed, fixation is set to link together by the cooperation of screw bolt and nut, while insert the tight lock part on bolt
Enter in the fixing hole on screw rod, then check lock lever be fitted into locking hole, the locking to bolt is realized by the effect of check lock lever,
Bolt can not be unscrewed from outside, realize anti-theft feature.The structure of the present invention is simple, is easily installed, and be well positioned to meet anti-
Steal and require.
2nd, tight lock part after cold-heading molding is in flat by the front end of the body of bolt, and fixed part is by the front end of screw body through cold-heading
It is in flat after shaping, the shaping of tight lock part and fixed part is simple, is easy to process, and tight lock part is integrated with the body of bolt, is fixed
Portion is integrated with screw body, and the intensity that bolt is overall and screw rod is overall can be effectively ensured, better meet using effect.
3rd, tight lock part and fixing hole are coordinated using gap, are easy to reduce tight lock part on the premise of requirement is met and are consolidated
Determine the difficulty of processing in hole, ensure economic benefit.
4th, W1 ＞ W2, i.e. check lock lever length are more than the length of fixing hole, check lock lever is butted on fixed part, ensure logical
Anti-theft feature can be realized by crossing the cooperation of check lock lever and screw rod.
5th, check lock lever is fitted into locking hole by screw thread, or, check lock lever uses split pin, check lock lever and locking hole
Between fit structure it is simple, be easily installed, and anti-theft feature can be realized well.
6th, the length and width of tight lock part is respectively less than the diameter of the body of bolt, avoids installation of the tight lock part to nut from causing to do
Relate to.Bolt head and screw head are in hexagon, are easy to borrow instrument to be dismounted.Further, can also be in bolt head
Portion and screw head open up hexagon ring.
Brief description of the drawings
Fig. 1 is the overall schematic of the anti-theft type bolt arrangement of the embodiment of the present invention one；
Fig. 2 is the schematic diagram of bolt and check lock lever in the anti-theft type bolt arrangement of the embodiment of the present invention one；
Fig. 3 is the top view of screw rod in the anti-theft type bolt arrangement of the embodiment of the present invention one；
Fig. 4 is the stereogram of nut in the anti-theft type bolt arrangement of the embodiment of the present invention one；
Fig. 5 is the top view of nut in the anti-theft type bolt arrangement of the embodiment of the present invention one；
Fig. 6 is the top view of nut in the anti-theft type bolt arrangement of the embodiment of the present invention two.
In figure, 1- bolts, 11- bolt heads, the 12- bodies of bolt, 13- tight lock parts, 14- locking holes, 2- screw rods, 21- screw rods
Head, 22- screw bodies, 23- fixed parts, 24- fixing holes, 3- nuts, 31- screwed holes, 32- bayonet slots, 33- clampings are raised, 4-
Check lock lever, 5- is by fixed plate one, and 6- is by fixed plate two, 7- fixtures.
Embodiment
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings.It is to be appreciated that following " on ",
" under ", "left", "right", " longitudinal direction ", " transverse direction ", " interior ", " outer ", " vertical ", " level ", " top ", indicating position or the position such as " bottom "
The word for putting relation is based only upon orientation shown in the drawings or position relationship, only for the purposes of the description present invention and simplifies description, and
It is not instruction or implies that signified device/element there must be specific orientation or with specific azimuth configuration and operation, therefore
It is not considered as limiting the invention.
Embodiment one
As shown in Figure 1, Figure 2, Figure 3 shows, the anti-theft type bolt arrangement that the embodiment of the present invention one provides, including bolt 1, screw rod 2
With the nut 3 matched with bolt.Bolt 1 includes bolt head 11 and the body of bolt 12, and bolt head is located at the rear end of the body of bolt.Spiral shell
Bar 2 includes screw head 21 and screw body 22, and screw head is located at the rear end of screw body.The front end of the body of bolt 12 is provided with tight lock part
13, the end of tight lock part is provided with locking hole 14.The front end of screw body 22 is provided with fixed part 23, and fixed part is provided with and supplies tight lock part 13
The fixing hole 24 of insertion, locking hole 14 are located at the front of fixing hole, check lock lever 4 are provided with locking hole.
In the present embodiment, tight lock part 13 after cold-heading molding is in flat by the front end of the body of bolt 12, and fixed part 23 is by spiral shell
The front end of the body of rod 22 is in flat after cold-heading molding.In order to reduce the difficulty of processing of tight lock part 13 and fixing hole 24, tight lock part
Coordinated with fixing hole using gap, the unilateral gap between tight lock part and fixing hole is Δ W, 1mm≤Δ W≤3mm.It is specific next
Say, Δ W could be arranged to 1mm, 1.5mm, 2mm, 2.5mm, 3mm, and the present embodiment is preferably arranged to 2mm.
The length of check lock lever 4 is W1, and the length of fixing hole 24 is W2, and W1 ＞ W2, the i.e. length of check lock lever are more than fixing hole
Length, check lock lever is butted on fixed part 23, ensure that by the cooperation of check lock lever and screw rod anti-theft feature can be realized.
In the present embodiment, bolt head 11 and screw head 21 are in hexagon.Check lock lever 4 is cylindrical, locking hole 14
Inwall be provided with internal thread, the axial outer wall of check lock lever is provided with the external screw thread matched with internal thread, and check lock lever passes through screw thread
Coordinate in locking hole.
In the present embodiment, in order to avoid installation of the tight lock part 13 to nut 3 causes to interfere, the length and width of tight lock part 13
The respectively less than diameter of the body of bolt 12.
As shown in Figure 4, Figure 5, screwed hole 31 is provided with the center of nut 3, the card for being communicated in screwed hole is additionally provided with nut
Mouth groove 32, the width W3 of bayonet slot are equal to the central diameter of screwed hole.
In the present embodiment, the side inwall of bayonet slot 32 is provided with clamping projection 33, the raised end face of clamping and bayonet slot
Spacing between upper relative opposite side inwall is W4, and W4 is more than the path of screwed hole 31 and less than the central diameter of screwed hole.
Bayonet slot 32 is set on nut 3, during installation, directly nut is stuck on bolt 1 and then tightened, is easy to shortening group
ETL estimated time of loading, improve packaging efficiency.Clamping projection 33 is set on the inwall of bayonet slot 32, can improve between nut and bolt and coordinate
Stability, it is met installation requirement.
During installation, the hole passed through for bolt 1 is being opened up by fixed plate 1 and in fixed plate 26, opened on fixture 7
If the hole passed through for screw rod 2.Bolt 1 is passed through by fixed plate 1 and by the hole in fixed plate 6, and nut 3 is placed on bolt
On.Make screw rod 2 through the hole on fixture 7, and tight lock part 13 is inserted in fixing hole 24, nut 3 is tightened, then by check lock lever
4 are screwed into locking hole 14, check lock lever is stretched out the end of locking hole and are butted on fixed part 23.
After installation, the antitheft purpose of bolt 1 is realized by the cooperation of check lock lever 4 and screw rod 2, can only first be taken from inside
After lower check lock lever, bolt could be dismantled, can not be from outside direct demounting bolt.
It is understood that the check lock lever 4 in the present embodiment can also use split pin, now, locking hole 14 is through hole.
It is understood that hexagon ring can also be opened up in bolt head 11 and screw head 12 in the present embodiment.
Embodiment two
As shown in fig. 6, the embodiment of the present invention two and the difference part of above-described embodiment one are, relative the two of bayonet slot 32
Side inwall is provided with the clamping projection 33 that is correspondingly arranged, and the spacing between the raised end face of two clampings is W5, and W5 is more than screw thread
The path in hole 31 and the central diameter for being less than screwed hole.
By two clamping projections, the stability connected between nut 3 and bolt 1 can be further improved, ensures nut
Connection with bolt meets installation requirement.
The other structures of the embodiment of the present invention two are identical with the structure described in above-described embodiment one, therefore herein no longer one by one
Repeat.
In addition to above preferred embodiment, the present invention also has other embodiments, and those skilled in the art can be according to this
Invention is variously modified and deformed, and without departing from the spirit of the present invention, all should belong in claims of the present invention and determine
The scope of justice.
Claims (9)
1. a kind of anti-theft type bolt arrangement, including bolt, screw rod and the nut matched with bolt, bolt includes bolt head and spiral shell
Key, screw rod include screw head and screw body, it is characterised in that the front end of the body of bolt is provided with tight lock part, tight lock part
End is provided with locking hole, and the front end of screw body is provided with fixed part, and fixed part is provided with the fixing hole for tight lock part insertion, locking hole
Positioned at the front of fixing hole, and check lock lever is provided with locking hole.
2. anti-theft type bolt arrangement according to claim 1, it is characterised in that the tight lock part and fixed part are in flat
Shape.
3. anti-theft type bolt arrangement according to claim 2, it is characterised in that the tight lock part is passed through by the front end of the body of bolt
Cold-heading aftershaping, fixed part is by the front end of screw body through cold-heading aftershaping.
4. anti-theft type bolt arrangement according to claim 1, it is characterised in that the tight lock part is matched somebody with somebody with fixing hole for gap
Close, the unilateral gap between tight lock part and fixing hole is Δ W, 1mm≤Δ W≤3mm.
5. anti-theft type bolt arrangement according to claim 1, it is characterised in that the length of the check lock lever is W1, fixed
The length in hole is W2, W1 ＞ W2.
6. anti-theft type bolt arrangement according to claim 1, it is characterised in that the check lock lever is cylindrical, locking hole
Inwall be provided with internal thread, the axial outer wall of check lock lever is provided with the external screw thread matched with internal thread, and check lock lever passes through screw thread
Coordinate in locking hole.
7. anti-theft type bolt arrangement according to claim 1, it is characterised in that the check lock lever is split pin, locking hole
For through hole.
8. according to the anti-theft type bolt arrangement described in claim any one of 1-7, it is characterised in that the length of the tight lock part and
Width is respectively less than the diameter of the body of bolt.
9. according to the anti-theft type bolt arrangement described in claim any one of 1-7, it is characterised in that the bolt head and screw rod
Head is in hexagon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711025617.9A CN107725568A (en) | 2017-10-27 | 2017-10-27 | A kind of anti-theft type bolt arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711025617.9A CN107725568A (en) | 2017-10-27 | 2017-10-27 | A kind of anti-theft type bolt arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107725568A true CN107725568A (en) | 2018-02-23 |
Family
ID=61201877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711025617.9A Pending CN107725568A (en) | 2017-10-27 | 2017-10-27 | A kind of anti-theft type bolt arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107725568A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110081050A (en) * | 2019-04-25 | 2019-08-02 | 江苏海纬集团有限公司 | A kind of nuclear power fastener |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4297063A (en) * | 1979-06-11 | 1981-10-27 | Hi Shear Corporation | Telescoping self-retaining safety bolt assembly |
| US4995274A (en) * | 1989-11-20 | 1991-02-26 | Henry Kleeman | Locking pin and nut combination and method for visual inspection thereof |
| JPH0979241A (en) * | 1995-09-18 | 1997-03-25 | Nifco Inc | Lock nut |
| CN102588416A (en) * | 2011-09-28 | 2012-07-18 | 贵州航天精工制造有限公司 | Combined rapidly-assembled and disassembled nut and manufacturing method thereof |
| CN103452995A (en) * | 2013-09-18 | 2013-12-18 | 浙江连翔五金科技有限公司 | Nut and mounting method thereof |
| CN103807274A (en) * | 2014-03-13 | 2014-05-21 | 常熟市平冶机械有限公司 | Anti-theft bolt |
| CN204729449U (en) * | 2015-06-15 | 2015-10-28 | 国网山东高密市供电公司 | Double anti-theft bolt |
-
2017
- 2017-10-27 CN CN201711025617.9A patent/CN107725568A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4297063A (en) * | 1979-06-11 | 1981-10-27 | Hi Shear Corporation | Telescoping self-retaining safety bolt assembly |
| US4995274A (en) * | 1989-11-20 | 1991-02-26 | Henry Kleeman | Locking pin and nut combination and method for visual inspection thereof |
| JPH0979241A (en) * | 1995-09-18 | 1997-03-25 | Nifco Inc | Lock nut |
| CN102588416A (en) * | 2011-09-28 | 2012-07-18 | 贵州航天精工制造有限公司 | Combined rapidly-assembled and disassembled nut and manufacturing method thereof |
| CN103452995A (en) * | 2013-09-18 | 2013-12-18 | 浙江连翔五金科技有限公司 | Nut and mounting method thereof |
| CN103807274A (en) * | 2014-03-13 | 2014-05-21 | 常熟市平冶机械有限公司 | Anti-theft bolt |
| CN204729449U (en) * | 2015-06-15 | 2015-10-28 | 国网山东高密市供电公司 | Double anti-theft bolt |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110081050A (en) * | 2019-04-25 | 2019-08-02 | 江苏海纬集团有限公司 | A kind of nuclear power fastener |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103410830B (en) | A kind of installation method of connecting bolt structure and method for dismounting | |
| CN107725568A (en) | A kind of anti-theft type bolt arrangement | |
| CN107882825A (en) | A kind of fastening structure | |
| CN206317779U (en) | A kind of battery stand | |
| CN209517824U (en) | The fixed structure of circuit board | |
| CN207416602U (en) | Contact net tube body attachment device | |
| CN216305008U (en) | Heat-insulating wall structure | |
| CN205715114U (en) | A kind of anti-theft anchor ear | |
| CN205533617U (en) | Fastener | |
| CN209875635U (en) | Cavity-shaped structural fastener | |
| CN209022993U (en) | Detachable cargo supports crossbeam | |
| CN202531579U (en) | One-time setscrew with lock | |
| CN205803621U (en) | A kind of frock supporting car door | |
| CN206546843U (en) | Battery module and vehicle | |
| CN109538588A (en) | Furniture connects expansion mechanism | |
| CN110064738A (en) | A kind of double case sand molds for aluminum alloy spare part casting | |
| CN105257636B (en) | Connecting structure of backboard connecting piece and pull rod | |
| CN209942929U (en) | Mounting structure of profile prepositioning oil cooler support | |
| CN215596136U (en) | Tensile bolt of high strength | |
| CN218761959U (en) | Loose joint increasing interface | |
| CN219432254U (en) | Reinforced antirust fixing bolt | |
| CN212353903U (en) | Preceding enclose grid fixed knot construct and vehicle | |
| CN104110607B (en) | There is the lamp assembly of Simple installation support | |
| CN218463748U (en) | Electric tail wing and vehicle | |
| CN208304924U (en) | For tearing the pin removal for pulling out straight pin open |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180223 |