CN203822797U - Anti-dismantle bolt - Google Patents
Anti-dismantle bolt Download PDFInfo
- Publication number
- CN203822797U CN203822797U CN201420260303.2U CN201420260303U CN203822797U CN 203822797 U CN203822797 U CN 203822797U CN 201420260303 U CN201420260303 U CN 201420260303U CN 203822797 U CN203822797 U CN 203822797U
- Authority
- CN
- China
- Prior art keywords
- bolt
- connecting screw
- rod
- screw hole
- screw rod
- 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 an anti-dismantle bolt, and aims to provide the anti-dismantle bolt which can be dismantled or be prolonged through combination. The technical scheme of the anti-dismantle bolt is that a severance groove is formed in the connection part of a bolt cap and a bolt rod; a connecting screw rod is arranged on the other end, opposite to the bolt cap, of the bolt rod; a connecting screw hole matched with the connecting screw rod is arranged on the other end, opposite to the bolt rod, of the bolt cap; the connecting screw hole penetrates through the bolt cap and extends into the bolt rod; the depth of the connecting screw hole inside the bolt rod is coordinated with the length of the connecting screw rod; when the torsional force borne by the bolt cap during the assembling exceeds the bearable torsional force, the bolt cap can be broken off at the severance groove and falls off, and the function of anti-dismantle is realized; when the screw rotation directions of the bolt rod, the connecting screw rod and the connecting screw hole are the same, the prolonging function of the anti-dismantle bolt is achieved, and the use range of the anti-dismantle bolt is enlarged; when the screw rotation directions of the connecting screw rod and the connecting screw hole are the same, and the screw direction of the connecting screw rod and the bolt rod are different, the bolt has the dismantle function.
Description
Technical field
The utility model relates to a kind of bolt, and more particularly, it relates to a kind of dismounting-proof bolt.
Background technique
Bolt is to utilize the inclined-plane circular rotating of object and physics and the mathematical principle of frictional force, the by easy stages instrument of fastening implements parts.Occurred on the market a kind ofly bolt to be sunk to the dismounting-proof bolt in screw, for avoiding bolt to be removed after fixed installation, yet the dismounting-proof bolt of prior art has the special role that can not lengthen, and has therefore reduced the using scope of dismounting-proof bolt; The dismounting-proof bolt of prior art does not have the function of removing again yet simultaneously, while checking interiors of products structure being necessary demounting bolt, can only destroy connection product, and cause unnecessary loss.
Model utility content
The deficiency existing for prior art, the purpose of this utility model is to provide a kind of dismounting-proof bolt of dismountable or lengthening capable of being combined.
For achieving the above object, the utility model provides following technological scheme: a kind of dismounting-proof bolt, comprise bolt body, described bolt body comprises nuts and the bolt shank that is integrative-structure setting, joint between described nuts and bolt shank is provided with dialysis groove, described bolt shank is provided with connecting screw rod with respect to the other end of nuts, described nuts is provided with the connecting screw hole suitable with connecting screw rod with respect to the other end of bolt shank, described connecting screw hole through bolt cap is to bolt shank, the length of the degree of depth of described connecting screw hole in bolt shank and connecting screw rod is suitable.
The thread rotary orientation of described bolt shank and connecting screw rod and connecting screw hole is dextrorotation.
The thread rotary orientation of described bolt shank is dextrorotation, and the thread rotary orientation of described connecting screw rod and connecting screw hole is left-handed.
The direction of described dialysis groove along nuts to bolt shank deepened gradually.
Described bolt shank is provided with annular groove with respect to the end face of the nuts the other end.
A kind of dismounting-proof bolt, comprise bolt body, described bolt body comprises nuts and the bolt shank that is integrative-structure setting, joint between described nuts and bolt shank is provided with dialysis groove, described bolt shank is provided with connecting screw rod with respect to the other end of nuts, described nuts is provided with the connecting screw hole suitable with connecting screw rod with respect to the other end of bolt shank, described connecting screw hole through bolt cap is to bolt shank, and the length of the degree of depth of described connecting screw hole in bolt shank and connecting screw rod is suitable.By adopting technique scheme, after dismounting-proof bolt is screwed in mounting hole, because the joint between nuts and bolt shank is provided with dialysis groove, when the torsion that therefore nuts is subject in assembly process surpasses the torsion that it can bear, nuts just can produce fracture at dialysis groove place and come off, so that plays tamper function.When the thread rotary orientation of bolt shank and connecting screw rod and connecting screw hole is consistent, played the lengthening effect of dismounting-proof bolt, expanded the using scope of dismounting-proof bolt; Or consistent with the thread rotary orientation of connecting screw hole when connecting screw rod, and when contrary with the thread rotary orientation of bolt shank, can make bolt there is the function of dismounting again.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model dismounting-proof bolt.
Reference character: 1, bolt body; 11, nuts; 111, connecting screw hole; 12, bolt shank; 121, connecting screw rod; 122, annular groove; 13, dialysis groove.
Embodiment
With reference to Fig. 1, the utility model dismounting-proof bolt embodiment is described further.
A kind of dismounting-proof bolt, comprise bolt body 1, described bolt body 1 comprises nuts 11 and the bolt shank 12 that is integrative-structure setting, joint between described nuts 11 and bolt shank 12 is provided with dialysis groove 13, described bolt shank 12 is provided with connecting screw rod 121 with respect to the other end of nuts 11, described nuts 11 is provided with the connecting screw hole 111 suitable with connecting screw rod 121 with respect to the other end of bolt shank 12, described connecting screw hole 111 through bolt caps 11 are to bolt shank 12, the length of the degree of depth of described connecting screw hole 111 in bolt shank 12 and connecting screw rod 121 is suitable.After dismounting-proof bolt is screwed in mounting hole, because the joint between nuts 11 and bolt shank 12 is provided with dialysis groove 13, when the torsion that therefore nuts 11 is subject in assembly process surpasses the torsion that it can bear, nuts 11 just can produce fracture at dialysis groove 13 places and come off, so that plays tamper function.
The thread rotary orientation of described bolt shank 12 and connecting screw rod 121 and connecting screw hole 111 is dextrorotation.Because bolt shank 12 is consistent with the thread rotary orientation of connecting screw rod 121 and connecting screw hole 111, therefore when connecting screw rod 121 dextrorotation be fit into connecting screw hole 111 interior after, bolt shank 12 also can stressed dextrorotation, not only make bolt shank 12 screw in darker screw, also realized the lengthening effect of dismounting-proof bolt, expanded the using scope of dismounting-proof bolt simultaneously.
The thread rotary orientation of described bolt shank 12 is dextrorotation, and the thread rotary orientation of described connecting screw rod 121 and connecting screw hole 111 is left-handed.Because connecting screw rod 121 is consistent with the thread rotary orientation of connecting screw hole 111, and it is contrary with the thread rotary orientation of bolt shank 12, therefore when connecting screw rod 121 is left-handed be fit into connecting screw hole 111 interior after, bolt shank 12 also can be stressed left-handed, because the thread rotary orientation of bolt shank 12 is dextrorotation, therefore bolt shank 12 will exit after left-handed stressed in screw, makes bolt have the function of removing again.And connecting screw hole 111 only has and uses special connected element (being connecting screw rod 121) herein, just can be threaded io in connecting screw hole 111 bolt shank 12 the most at last and separate in screw, so the utility model dismounting-proof bolt has certain tamper.
Described dialysis groove 13 is deepened gradually along nuts 11 to the direction of bolt shank 12.The groove depth of dialysis groove 13 is darker, and the torsion that this joint can bear is also just less, so its place of twisting off more approaches bolt shank 12, and the short tooth that reduces the place of twisting off externally connects the fretting wear of dismounting-proof bolt.
Described bolt shank 12 is provided with annular groove 122 with respect to the end face of nuts 11 the other ends.Annular groove 122 is positioned at the end face of bolt shank 12 and arranges around connecting screw rod 121 1 circles, the short tooth staying in joint after twisting off for receive bolts cap 11, can avoid short tooth externally to connect the fretting wear of dismounting-proof bolt, and be conducive to improve the connection reliability of external dismounting-proof bolt and bolt shank 12.
Claims (5)
1. a dismounting-proof bolt, comprise bolt body, described bolt body comprises nuts and the bolt shank that is integrative-structure setting, it is characterized in that: the joint between described nuts and bolt shank is provided with dialysis groove, described bolt shank is provided with connecting screw rod with respect to the other end of nuts, described nuts is provided with the connecting screw hole suitable with connecting screw rod with respect to the other end of bolt shank, described connecting screw hole through bolt cap is to bolt shank, and the length of the degree of depth of described connecting screw hole in bolt shank and connecting screw rod is suitable.
2. dismounting-proof bolt according to claim 1, is characterized in that: the thread rotary orientation of described bolt shank and connecting screw rod and connecting screw hole is dextrorotation.
3. dismounting-proof bolt according to claim 1, is characterized in that: the thread rotary orientation of described bolt shank is dextrorotation, and the thread rotary orientation of described connecting screw rod and connecting screw hole is left-handed.
4. according to the dismounting-proof bolt described in claim 2 or 3, it is characterized in that: the direction of described dialysis groove along nuts to bolt shank deepened gradually.
5. dismounting-proof bolt according to claim 4, is characterized in that: described bolt shank is provided with annular groove with respect to the end face of the nuts the other end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420260303.2U CN203822797U (en) | 2014-05-21 | 2014-05-21 | Anti-dismantle bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420260303.2U CN203822797U (en) | 2014-05-21 | 2014-05-21 | Anti-dismantle bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203822797U true CN203822797U (en) | 2014-09-10 |
Family
ID=51478306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420260303.2U Expired - Fee Related CN203822797U (en) | 2014-05-21 | 2014-05-21 | Anti-dismantle bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203822797U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105041816A (en) * | 2015-04-30 | 2015-11-11 | 贵州航天精工制造有限公司 | Manufacturing method of light bolts with rated pretightening force and structure |
| CN111550484A (en) * | 2020-04-10 | 2020-08-18 | 河南航天精工制造有限公司 | Countersunk screw with controllable pretightening force and disassembling method thereof |
-
2014
- 2014-05-21 CN CN201420260303.2U patent/CN203822797U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105041816A (en) * | 2015-04-30 | 2015-11-11 | 贵州航天精工制造有限公司 | Manufacturing method of light bolts with rated pretightening force and structure |
| CN111550484A (en) * | 2020-04-10 | 2020-08-18 | 河南航天精工制造有限公司 | Countersunk screw with controllable pretightening force and disassembling method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140910 Termination date: 20160521 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |