CN201982459U - Anti-dismounting bolt - Google Patents
Anti-dismounting bolt Download PDFInfo
- Publication number
- CN201982459U CN201982459U CN2011200278678U CN201120027867U CN201982459U CN 201982459 U CN201982459 U CN 201982459U CN 2011200278678 U CN2011200278678 U CN 2011200278678U CN 201120027867 U CN201120027867 U CN 201120027867U CN 201982459 U CN201982459 U CN 201982459U
- Authority
- CN
- China
- Prior art keywords
- bolt
- dismounting
- nut
- cap
- sleeve ring
- 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
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Abstract
The utility model discloses an anti-dismounting bolt, belonging to the field of the manufacturing technology of the electric machineries and instruments. A cylindrical sleeve ring is arranged on the outer side of a hexagonal nut of the anti-dismounting bolt; the inner circle and the outer circle of the sleeve ring are smooth; a cap is arranged above the sleeve ring; quincuncial helical teeth are arranged on the cap; the front ends of the helical teeth are vertical upright surfaces; a helical bevel structure is between the two teeth, and the upper part of the cap is conical. The anti-dismounting bolt has simple machining technique and low cost, can be matched with common hexagonal bolts and hexagonal nuts in use and is convenient to install on site; the sleeve ring is movably positioned outside the nut, so a dismounting tool is ineffective to the nut; a quincuncial helical tooth cap is added, so the bolt is only fastened in one direction; a special spanner is ineffective as well when the bolt is being dismounted in a reverse direction, so the anti-dismounting bolt has excellent anti-dismounting effect.
Description
Technical field
The utility model belongs to electricapparatus and equipment manufacturing technology field.
Background technique
At present, known anti-dismounting fastener constructions assembly is varied, anti-theft effect is the complicated cost height of processing technology then preferably, and versatility is poor, and its structure is that boring adds shock mount on nut, retaining steel ball or the like, the tight condition lower nut can only not advance and can not move back, can not assembling match before formal the use can only packing, cause easily that discovery anti-disassembling nut quantity does not match when assembling, be inconvenient to install, anti-dismounting effect is undesirable; Especially for the important foundation facilities of installing out of doors such as steel bridge, communication and electric power tower, the erecting bed operating condition is poor, and people wish that urgently the anti-dismounting fastener constructions assembly that a kind of dismounting easy for installation, anti-is effective, cost is low is arranged.
Summary of the invention
The purpose of this utility model provides a kind of anti-demounting bolt, with solve prior art cost height, versatility poor, can not assembling match before using can only the packing packing, be inconvenient to install, prevents dismantling problem such as weak effect.
The utility model mainly is made up of workpiece, bolt, nut, solving the technological scheme that its problem adopts is at the cylindric lasso of hexagon nut arranged outside, circle and cylindrical are smooth in the lasso, above lasso, establish block, quincunx helical teeth is set above the block, the helical teeth front end is a vertical elevation, is spiral domatic structure between two teeth, and block top is tapered.
Adopting good effect of the present utility model is that processing technology is simple, cost is low, can be used with common hex head bolt and hexagon nut, on-the-spot easy for installation, owing to adopt the lasso activity to be nested with outside nut, extracting tool loses effect to nut, add quincunx helical teeth block, can only unidirectional clamping bolt, when reverse dismounting, special spanner also can lose efficacy, and anti-dismounting effect is splendid.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified:
Accompanying drawing 1 is a structural representation of the present utility model:
Accompanying drawing 2 is a plan view of the present utility model:
1 bolt, 2 nuts, 3 lassos, 4 blocks, 5 helical teeth, 6 workpiece among the figure.
Embodiment
As shown in the figure: bolt 1, nut 2 are TMFC, the cylindric lasso 3 of nut 2 arranged outside, circle and cylindrical are smooth in the lasso 3, above lasso 3, establish block 4, above the block 4 quincunx helical teeth 5 is set, helical teeth 5 front ends are vertical elevation, are spiral domatic structure between two helical teeth, 5 facades, and quincunx helical teeth 4 tops of blocking a shot are tapered.Bolt 1, nut 2, workpiece 6 are identical with prior art products.
During use, after workpiece merges, tighten up with bolt, hexagon nut earlier, lasso, block are installed then successively, the quincunx helical teeth of block is locked direction interlock mutually with the quincunx helical teeth tooth mouth of special tool, and then screws block, and block is reinforced locking plain nut, simultaneously guarantee that again lasso can not come off, the lasso internal diameter is promptly bigger than the diagonal angle of common hexagon nut, and the inside and outside circle of lasso is smooth, can rotate freely, intercepted the active force of instrument, reached anti-dismounting purpose hexagon nut.
Claims (3)
1. an anti-demounting bolt mainly is made up of workpiece, bolt, nut, it is characterized in that at the cylindric lasso of hexagon nut arranged outside, circle and cylindrical are smooth in the lasso, establishing block above lasso, quincunx helical teeth is set above the block, is spiral domatic structure between two teeth.
2. anti-demounting bolt according to claim 1 is characterized in that the helical teeth front end is a vertical elevation.
3. anti-demounting bolt according to claim 1, the top that it is characterized in that blocking a shot is tapered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200278678U CN201982459U (en) | 2011-01-27 | 2011-01-27 | Anti-dismounting bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200278678U CN201982459U (en) | 2011-01-27 | 2011-01-27 | Anti-dismounting bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201982459U true CN201982459U (en) | 2011-09-21 |
Family
ID=44609921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200278678U Expired - Fee Related CN201982459U (en) | 2011-01-27 | 2011-01-27 | Anti-dismounting bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201982459U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105889286A (en) * | 2016-07-01 | 2016-08-24 | 国网辽宁省电力有限公司盘锦供电公司 | Anti-theft and anti-vibration screw thread pair structure |
| CN105909662A (en) * | 2016-07-01 | 2016-08-31 | 国网辽宁省电力有限公司盘锦供电公司 | Embedded cone antitheft vibration resisting nut |
| CN108825227A (en) * | 2018-08-08 | 2018-11-16 | 徐州徐工基础工程机械有限公司 | Development machine cutter device and development machine |
-
2011
- 2011-01-27 CN CN2011200278678U patent/CN201982459U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105889286A (en) * | 2016-07-01 | 2016-08-24 | 国网辽宁省电力有限公司盘锦供电公司 | Anti-theft and anti-vibration screw thread pair structure |
| CN105909662A (en) * | 2016-07-01 | 2016-08-31 | 国网辽宁省电力有限公司盘锦供电公司 | Embedded cone antitheft vibration resisting nut |
| CN108825227A (en) * | 2018-08-08 | 2018-11-16 | 徐州徐工基础工程机械有限公司 | Development machine cutter device and development machine |
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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: 20110921 Termination date: 20150127 |
|
| EXPY | Termination of patent right or utility model |