CN201391529Y - Tool for bolt dismantlement prevention and screwing - Google Patents
Tool for bolt dismantlement prevention and screwing Download PDFInfo
- Publication number
- CN201391529Y CN201391529Y CN200920005572U CN200920005572U CN201391529Y CN 201391529 Y CN201391529 Y CN 201391529Y CN 200920005572 U CN200920005572 U CN 200920005572U CN 200920005572 U CN200920005572 U CN 200920005572U CN 201391529 Y CN201391529 Y CN 201391529Y
- Authority
- CN
- China
- Prior art keywords
- nut
- sleeve
- bolt
- bolt head
- screwing
- 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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- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The utility model discloses a tool for bolt dismantlement prevention and screwing, which comprises a bolt and a nut. A bolt head and the nut are in a column shape. The outer end planes of the column-shaped bolt head and the column-shaped nut are provided with a one-way ratchet-shaped oblique step screwing plane. An inner end plane excircle step between the bolt head and the nut is respectively sleeved with a rotating matching sleeve. An enclosing cover and two sleeve wrenches which are respectively inserted into each sleeve and are blocked with the ratchet-shaped oblique step screwing plane in a matching manner are respectively arranged in the outer end ports of the sleeve in the matching manner. The rear end plane of each sleeve wrench is respectively provided with a square hole which can be inserted into the normal sleeve wrench. The bolt of the utility model can only be tightened and fixed before the enclosing cover is fastened and can not be dismantled with any tool; therefore the burglar resistant property is more reliable.
Description
Technical field:
The utility model relates to fastening or fixed component, the particularly a kind of fixedly anti-demounting bolt and screwing tool of usefulness of being applicable on power circuit iron tower and other field facility.
Background technique:
The anti-theft bolt that uses on the field facility is the round bush of the peripheral suit of nut in standard hex bolts now, and nut is protected, and prevents that others from using the spanner demounting bolt, steals equipment, has special-purpose socket wrench during installation and removal.The problem that this structure exists is, socket wrench is copied and being easy to, and the anti-theft bolt of other form can not have antitheft effect because of the leakage of removal tool special yet.
Summary of the invention:
The purpose of this utility model provides a kind of can only being tightened with instrument, all can not remove the anti-demounting bolt and the screwing tool of bolt and nut with any instrument.
The technical solution of the utility model is finished as follows, it includes screw bolt and nut, it is characterized in that: bolt head and nut are cylindrical, on the exterior edge face of cylindrical bolt head and nut, be equipped with single direction ratchet shape sloping platform rank and screw face, on the interior edge face cylindrical step between bolt head and the nut, be with a sleeve that is rotatably assorted respectively, drive fit has a capping respectively in the external port of sleeve, also have two can insert respectively and screw face with ratchet shape sloping platform rank in each sleeve and cooperate the socket wrench that blocks, be respectively equipped with a square hole that can insert conventional socket wrench on the tail end face of each socket wrench.Bolt of the present utility model can only tighten fixing before the capping fastening, all can not dismantle with any instrument, so theftproof performance is more reliable.
Description of drawings:
Fig. 1 is the structural representation of the utility model bolt,
Fig. 2 is the structural representation that the utility model screws socket wrench,
Fig. 3 is the structural representation of bolt head and screw rod,
Fig. 4 is the structural representation of nut.
Embodiment:
Further describe embodiment in conjunction with the accompanying drawings, bolt head 1 and nut 3 that the utility model will have bolt now all are made into cylindrical, on the exterior edge face of cylindrical bolt head and nut, all be processed with single direction ratchet shape slope step and screw face 6, on the interior edge face cylindrical step between bolt head and the nut, be set with by a sleeve that is rotatably assorted 4, drive fit has a capping 5 respectively in the external port of each sleeve, also have two can insert respectively in each sleeve and screw the socket wrench 7 that face cooperates screens to screw with ratchet shape sloping platform rank, the tail end face centre of each socket wrench is respectively equipped with a square hole 8 that can insert conventional socket wrench.During use, earlier two socket wrenchs are enclosed within respectively on bolt head and the nut, earlier setting up nut in the mounting hole of screw rod 2 insertion fixed blocks, screw the face interlock with the ratchet shape slope step of bolt head and nut respectively with two socket wrenchs, back taking-up socket wrench is tightened, at last two cappings are tightly fixed respectively in the port of two sleeves, can prevent any instrument dismounting.
Claims (1)
1, a kind of anti-demounting bolt and screwing tool, it includes screw bolt and nut, it is characterized in that: bolt head and nut are cylindrical, on the exterior edge face of cylindrical bolt head and nut, be equipped with single direction ratchet shape sloping platform rank and screw face, on the interior edge face cylindrical step between bolt head and the nut, be with a sleeve that is rotatably assorted respectively, drive fit has a capping respectively in the external port of sleeve, also have two can insert respectively and screw face with ratchet shape sloping platform rank in each sleeve and cooperate the socket wrench that blocks, be respectively equipped with a square hole that can insert conventional socket wrench on the tail end face of each socket wrench.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920005572U CN201391529Y (en) | 2008-11-19 | 2009-03-03 | Tool for bolt dismantlement prevention and screwing |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200820221340 | 2008-11-19 | ||
| CN200820221340.7 | 2008-11-19 | ||
| CN200920005572U CN201391529Y (en) | 2008-11-19 | 2009-03-03 | Tool for bolt dismantlement prevention and screwing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201391529Y true CN201391529Y (en) | 2010-01-27 |
Family
ID=41598356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920005572U Expired - Fee Related CN201391529Y (en) | 2008-11-19 | 2009-03-03 | Tool for bolt dismantlement prevention and screwing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201391529Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101806322A (en) * | 2010-04-02 | 2010-08-18 | 太原轨道交通装备有限责任公司 | Anti-loosing and antitheft device for bolt and nut |
| CN106425966A (en) * | 2016-07-01 | 2017-02-22 | 国网辽宁省电力有限公司盘锦供电公司 | General three-clamp ratchet spanner |
-
2009
- 2009-03-03 CN CN200920005572U patent/CN201391529Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101806322A (en) * | 2010-04-02 | 2010-08-18 | 太原轨道交通装备有限责任公司 | Anti-loosing and antitheft device for bolt and nut |
| CN101806322B (en) * | 2010-04-02 | 2011-10-05 | 太原轨道交通装备有限责任公司 | Anti-loosing and antitheft device for bolt and nut |
| CN106425966A (en) * | 2016-07-01 | 2017-02-22 | 国网辽宁省电力有限公司盘锦供电公司 | General three-clamp ratchet spanner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100127 Termination date: 20100303 |