CN201391527Y - Disposable soft-countermeasure anti-theft bolt - Google Patents
Disposable soft-countermeasure anti-theft bolt Download PDFInfo
- Publication number
- CN201391527Y CN201391527Y CN200820148533U CN200820148533U CN201391527Y CN 201391527 Y CN201391527 Y CN 201391527Y CN 200820148533 U CN200820148533 U CN 200820148533U CN 200820148533 U CN200820148533 U CN 200820148533U CN 201391527 Y CN201391527 Y CN 201391527Y
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- hole
- theft
- steel ball
- bolt
- bearing pin
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Abstract
The utility model relates to a disposable soft-countermeasure anti-theft bolt. An anti-theft pin shaft coaxial with a bolt body is arranged at the front end of the bolt body; circumferential grooves are formed on the anti-theft pin shaft; an anti-theft cap is arranged outside a nut and is in clearance fit with the anti-theft pin shaft through a pin shaft through hole; at least one steel ball hole uniformly distributed in the normal direction is formed on the hole wall of the pin shaft through hole; and steel balls and springs matched with the circumferential grooves in a propped manner are arranged in the steel ball holes. The anti-theft cap of the utility model can freely rotate but not move axially, thereby effectively resolving torque force in case of damage with the external force, protecting the bolt comprehensively, and effectively avoiding damage under the forcible external force of a tool. The utility model has the advantages that the anti-theft bolt is installed without a special tool, so that the installation is convenient and quick; the production cost is low, and the batch production is easy; and the anti-theft effect is greatly remarkable. Therefore, the utility model is the ideal anti-theft bolt used for field equipment of transmission lines such as poles, tower materials, communication transmitting towers and the like.
Description
Technical field
The utility model relates to a kind of bolt, refers to a kind of disposable soft antagonism anti-theft bolt especially.
Background technique
Outdoor equipment such as: the shaft tower tower material of electric transmission line, communication line etc. is installed in the component on the open-air various kinds of equipment, the standard bolts that use more, utilize general utility tool to dismantle very easily, therefore stolen phenomenon is very general, because of the stolen loss that causes is far longer than parts itself.So the safe and stable operation of protection outdoor gear, circuit is very necessary, generally adopts anti-theft bolt to limit outside destroy in the prior art.These anti-theft bolts mainly contain three types, and the problem of its antitheft principle and existence is as follows:
1, the antitheft type of wedge type, such product, mainly be to rely on pin to hammer into the keyway of on the body of bolt, holding successfully in advance to realize anti-theft effect, the following problem of ubiquity: leave stem knob in body of bolt end after 1. pin hammers into, use pliers to extract pin easily, make to lose anti-theft effect; Circular pin rotates with nut when 2. using spanner to back-out by force, and nut is back-outed causes antitheft inefficacy.
2, the antitheft type of ball, the type product mainly is by the ball in the nut, when rotating counterclockwise, ball is subjected to body of bolt outside thread in the nut, the friction-produced reaction force of crest and ball, reach anti-theft effect, the following problem of the type anti-theft bolt ubiquity: 1. because the nut space is little, in inner groove depth and the locking antitheft inefficacy of nut that angle of bevel is wayward after causing installation.2. the ball diameter of installing in the nut has only about 1mm, and the frictional force that the crest of steel ball and screw thread produces in the process of using the spanner screwing up nut is not enough to resist spanner to the rotating force that nut applies, and causes antitheft inefficacy.3. at the nut internal recessing steel ball of packing into, can cause the change of nut screw thread stressing conditions under the situation that the worm tooth number does not increase, easily cause the screw thread distortion, long-play influences the shaft tower anti-theft effect.4. install inconvenient.
3, the antitheft type of special tool, this type products mainly are by special tool for example sleeve barrel tool, interior six side's instruments etc. to be installed, and present various special tools can be bought everywhere, and this anti-theft modes can not satisfy the antitheft needs of present stage shaft tower.
The model utility content
The purpose of this utility model provides a kind of simple in structure, easy for installation, good anti-theft effect: the disposable soft antagonism anti-theft bolt that uses conventional instrument or special tool all can't dismantle.
For achieving the above object, the technical solution adopted in the utility model is: a kind of disposable soft antagonism anti-theft bolt comprises the body of bolt, nut.Front end at the body of bolt is provided with the antitheft bearing pin coaxial with the body of bolt, and the diameter of antitheft bearing pin is less than the diameter of the body of bolt, and antitheft bearing pin is provided with circumferential recess.The outside of described nut is provided with the cylindrical Anti-theft cap with the nut Spielpassung, and the bearing pin through hole that Anti-theft cap is provided with by the Anti-theft cap end is sleeved on the antitheft bearing pin, the inwall Spielpassung of antitheft bearing pin and bearing pin through hole.The hole wall of bearing pin through hole is provided with at least 1 normal direction steel ball hole that evenly distributes, and the center line in steel ball hole is positioned on the same plane perpendicular to bearing pin through hole center line, is provided with in the steel ball hole with circumferential recess to contact the steel ball that cooperates and contact the spring that cooperates with steel ball.Be provided with the assembling through hole that assembles steel ball and spring with consistent being used to of steel ball centerline hole with the hole wall of steel ball hole corresponding bearing pin through hole opposite side.The diameter of steel ball is consistent with the axial width of circumferential recess, and the radius of steel ball is consistent with the normal direction degree of depth of circumferential recess.
Above-mentioned disposable soft antagonism anti-theft bolt, the axial length of described antitheft bearing pin is consistent with the radial width of bearing pin through hole.
Above-mentioned disposable soft antagonism anti-theft bolt, the described steel ball hole normal direction degree of depth is less than the inwall of the bearing pin through hole normal direction distance to the Anti-theft cap outer rim.
Above-mentioned disposable soft antagonism anti-theft bolt, described steel ball is cylindrical steel nail.
Above-mentioned disposable soft antagonism anti-theft bolt, the quantity in described steel ball hole is 1-6.
Above-mentioned disposable soft antagonism anti-theft bolt, the quantity in described steel ball hole is 3.
The beneficial effects of the utility model are:
1, adopts the disposable soft antagonism anti-theft bolt of said structure.The front end of the body of bolt be provided with antitheft bearing pin, with the Anti-theft cap of antitheft bearing pin Spielpassung, make Anti-theft cap cover the nut outside, Anti-theft cap rotates on antitheft bearing pin, tool using can't the turn nut.
2, adopt the inwall of the bearing pin through hole that the Anti-theft cap end is provided with to be provided with steel ball or steel nail hole, be provided with the circumferential recess that is provided with antitheft bearing pin in the hole and contact steel ball or the steel nail that cooperates, steel ball or steel nail only slide in circumferential recess, thereby stop that Anti-theft cap can not move axially, use conventional instrument or special tool all they can not be dismantled, realize the antitheft of real meaning.
3, adopt that normal direction evenly is provided with 3 steel ball holes on hole wall, make between Anti-theft cap and the antitheft bearing pin stressed even, good anti-theft effect.
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail:
Description of drawings
Fig. 1 is that the utility model master looks schematic representation
Fig. 2 is the structural representation that the utility model is not installed Anti-theft cap
Fig. 3 is the cross-sectional schematic of the utility model Anti-theft cap
Fig. 4 is the right elevation of Fig. 3
Fig. 5 is the left view of Fig. 3
Fig. 6 is the cross-sectional schematic before the utility model Anti-theft cap is installed
Fig. 7 is the A-A sectional view of Fig. 6
Mark among the figure: the antitheft bearing pin 5-assembling of 1-body of bolt 2-nut 3-Anti-theft cap 4-through hole 6-steel ball hole 7-steel ball 8-spring 9-circumferential recess 10-bearing pin through hole 11-plug
Embodiment
As Fig. 1, Fig. 2, Fig. 3, Fig. 4, shown in Figure 5, a kind of disposable soft antagonism anti-theft bolt comprises the body of bolt 1, nut 2.Be provided with the antitheft bearing pin 4 coaxial with the body of bolt 1 at the front end of the body of bolt 1, the diameter of antitheft bearing pin 4 is less than the diameter of the body of bolt 1, and antitheft bearing pin 4 is provided with circumferential recess 9.The outside of described nut 2 is provided with the cylindrical Anti-theft cap 3 with nut 2 Spielpassung, and the bearing pin through hole 10 that Anti-theft cap 3 is provided with by Anti-theft cap 3 ends is sleeved on the antitheft bearing pin 4, the inwall Spielpassung of antitheft bearing pin 4 and bearing pin through hole 10.At least be provided with 1 the equally distributed steel ball of normal direction hole 6 on the hole wall of bearing pin through hole 10, the center line in each steel ball hole 6 is positioned on the same plane perpendicular to bearing pin through hole 10 center lines, is provided with in the steel ball hole 6 with circumferential recess 9 to contact the steel ball 7 that cooperates and contact the spring 8 that cooperates with steel ball 7.Be provided with the assembling through hole 5 that assembles steel ball and spring with consistent being used to of 6 center lines of steel ball hole with the hole wall of steel ball hole 6 corresponding bearing pin through hole 10 opposite sides.The diameter of steel ball 7 is consistent with the axial width of circumferential recess 9, and the radius of steel ball 7 is consistent with the normal direction degree of depth of circumferential recess 9.
The axial length of described antitheft bearing pin 4 is consistent with the radial width of bearing pin through hole 10.The described steel ball hole 6 normal direction degree of depth are less than the inwall of the bearing pin through hole 10 normal direction distance to Anti-theft cap 3 outer rims.All can blocking effect at steel ball hole assembling steel ball 7 or cylindrical steel nail.
The quantity in steel ball of the present utility model hole 6 is 1-6, all can realize antitheft purpose.As most preferred embodiment of the present utility model, the quantity in steel ball hole 6 is 3, and structure stress is even, and material-saving is economized material, good anti-theft effect.
As Fig. 1, Fig. 2, Fig. 6, shown in Figure 7, during use, elder generation's mounting spring 8 and steel ball 7, with the consistent cylinder body rod of a diameter and antitheft bearing pin 4, open a cross through hole on the cylinder body rod, the diameter of through hole is consistent with the diameter in steel ball hole 6, the cylinder body rod is penetrated in the bearing pin through hole, and the rotary cylinder body rod makes its cross through hole and steel ball hole 6, assembling through hole 5 is corresponding, again spring 8 and steel ball 7 are packed in the steel ball hole 6 successively, then, rotation 120 degree are installed next steel ball hole 6, after steel ball hole 6 all installed spring 8 and steel ball 7, it was stand-by to eject the cylinder body rod with plug 11.In on-the-spot the installation, after only need fixing the body of bolt 1, nut 2, Anti-theft cap 3 is aimed at nut 2, and the antitheft bearing pin 4 alignment pin shaft through-holes 10 of the body of bolt 1 front end make antitheft bearing pin 4 eject plug 11, steel ball 7 is under spring 8 effects, be bound in the circumferential recess 9, Anti-theft cap 3 just can rotate freely on the antitheft bearing pin 4 that the body of bolt 1 front end is provided with, and can not move axially, nut 2 covers in the Anti-theft cap 3, realizes anti-theft effect preferably.
The utility model; because Anti-theft cap can rotate freely; steel ball and the organic cooperation of the circumferential recess on the body of bolt in the Anti-theft cap; Anti-theft cap can not be produced all the time to be moved axially; torque force in the time of can effectively dissolving outside destroy; bolt is carried out omnibearing protection, effectively avoid the pressure outside destroy of common tools such as spanner, pliers, pipe wrench, hammer.Neither need special tool to install, convenient and swift, cost of production is low, easily produces in batches, and anti-theft effect is very remarkable, is the ideal anti-theft bolt of the field equipments such as tower bar, tower material, communication launching tower of electric transmission line.
Claims (6)
1, a kind of disposable soft antagonism anti-theft bolt, comprise the body of bolt (1), nut (2), it is characterized in that: the front end at the body of bolt (1) is provided with the antitheft bearing pin (4) coaxial with the body of bolt (1), the diameter of antitheft bearing pin (4) is less than the diameter of the body of bolt (1), and antitheft bearing pin (4) is provided with circumferential recess (9); The outside of described nut (2) is provided with the cylindrical Anti-theft cap (3) with nut (2) Spielpassung, the bearing pin through hole (10) that Anti-theft cap (3) is provided with by Anti-theft cap (3) end is sleeved on the antitheft bearing pin (4), the inwall Spielpassung of antitheft bearing pin (4) and bearing pin through hole (10); At least be provided with 1 the equally distributed steel ball of normal direction hole (6) on the hole wall of bearing pin through hole (10), the center line in each steel ball hole (6) is positioned on the same plane perpendicular to bearing pin through hole (10) center line, is provided with in steel ball hole (6) with circumferential recess (9) to contact the steel ball (7) that cooperates and contact the spring (8) that cooperates with steel ball (7); Be provided with the assembling through hole (5) that assembles steel ball and spring with consistent being used to of steel ball hole (6) center line with the hole wall of steel ball hole (6) corresponding bearing pin through holes (10) opposite side; The diameter of steel ball (7) is consistent with the axial width of circumferential recess (9), and the radius of steel ball (7) is consistent with the normal direction degree of depth of circumferential recess (9).
2, according to the described disposable soft antagonism of claim 1 anti-theft bolt, it is characterized in that: the axial length of described antitheft bearing pin (4) is consistent with the radial width of bearing pin through hole (10).
3, according to the described disposable soft of claim 1 antagonism anti-theft bolt, it is characterized in that: described steel ball hole (6) the normal direction degree of depth is less than the inwall of bearing pin through hole (10) the normal direction distance to Anti-theft cap (3) outer rim.
4, according to the described disposable soft antagonism of claim 1 anti-theft bolt, it is characterized in that: described steel ball (7) is cylindrical steel nail.
5, according to each described disposable soft antagonism anti-theft bolt in the claim 1 to 4, it is characterized in that: the quantity in described steel ball hole (6) is 1-6.
6, according to the described disposable soft antagonism of claim 4 anti-theft bolt, it is characterized in that: the quantity in described steel ball hole (6) is 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200820148533U CN201391527Y (en) | 2008-08-12 | 2008-08-12 | Disposable soft-countermeasure anti-theft bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200820148533U CN201391527Y (en) | 2008-08-12 | 2008-08-12 | Disposable soft-countermeasure anti-theft bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201391527Y true CN201391527Y (en) | 2010-01-27 |
Family
ID=41598354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200820148533U Expired - Fee Related CN201391527Y (en) | 2008-08-12 | 2008-08-12 | Disposable soft-countermeasure anti-theft bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201391527Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108316358A (en) * | 2018-03-12 | 2018-07-24 | 王华荣 | A kind of well lid quick-locking mechanism of inspection shaft |
| CN110285126A (en) * | 2019-07-25 | 2019-09-27 | 海盐宏合标准件有限公司 | A kind of multifunctional nut bolt assembly |
| CN110757969A (en) * | 2019-11-05 | 2020-02-07 | 北京邮电大学 | Variable dot matrix seal |
-
2008
- 2008-08-12 CN CN200820148533U patent/CN201391527Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108316358A (en) * | 2018-03-12 | 2018-07-24 | 王华荣 | A kind of well lid quick-locking mechanism of inspection shaft |
| CN108316358B (en) * | 2018-03-12 | 2021-05-25 | 新昌县品创建筑设计有限公司 | Quick well lid locking mechanism of inspection shaft |
| CN110285126A (en) * | 2019-07-25 | 2019-09-27 | 海盐宏合标准件有限公司 | A kind of multifunctional nut bolt assembly |
| CN110757969A (en) * | 2019-11-05 | 2020-02-07 | 北京邮电大学 | Variable dot matrix seal |
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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: 20100812 |