CN201714815U - Anti-disassembling nut - Google Patents
Anti-disassembling nut Download PDFInfo
- Publication number
- CN201714815U CN201714815U CN2010201113165U CN201020111316U CN201714815U CN 201714815 U CN201714815 U CN 201714815U CN 2010201113165 U CN2010201113165 U CN 2010201113165U CN 201020111316 U CN201020111316 U CN 201020111316U CN 201714815 U CN201714815 U CN 201714815U
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- CN
- China
- Prior art keywords
- nut
- groove
- locking device
- disassembling
- utility
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- 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 embodiment of the utility model discloses an anti-disassembling nut. The internal thread surface of the nut is provided with at least one groove along the radial direction; and the groove is internally provided with an elastic part and a locking device arranged at the lower end of the elastic part. In the utility model, the internal thread surface of the nut is provided with at least one groove along the radial direction, and the groove is internally provided with the elastic part and the locking device arranged at the lower end of the elastic part, when the nut is rotated reversely and withdrawn, the elastic part in the groove pushes the locking device to move towards the lower part along the groove, therefore, the tightening force is generated between the locking device and the groove surface and is bigger and bigger along the change of the rotary displacement, till a bolt and the nut cannot move relatively, thereby achieving the purpose of locking and non-disassembling.
Description
Technical field
The utility model relates to the nut technical field, more particularly, relates to a kind of anti-disassembling nut.
Background technique
Electric power system, communication system, road and bridge road administration engineering etc. be exposed to open-air and unserviced Infrastructure field for a long time, exist the Infrastructure accessory to be disassembled steal phenomenon always, have a strong impact on the stable operation of these engineerings, have greatly potential safety hazard.
For addressing this problem, original engineering is on the fastening member of needs, many times take electric welding again, add measure such as protecting cover, be about to nuts and bolt and weld together the purpose that reaches anti-dismounting, but this measure exist mostly construction complicated, destroy defectives such as structure.
The model utility content
In view of this, the utility model provides a kind of anti-disassembling nut, to avoid Infrastructure to be disassembled stealing and to adopt electric welding to add the defectives such as destruction structure that measure such as protecting cover brings.
For achieving the above object, the utility model provides following technological scheme:
A kind of anti-disassembling nut radially is provided with at least one groove on the inner threaded surface of this nut, and is provided with elastic component and the locking device that is positioned at this elastic component lower end in this groove.
Preferably, in the above-mentioned anti-disassembling nut, the area of described groove cross section and this cross section are directly proportional or inverse ratio to the distance of nut one end end face.
Preferably, in the above-mentioned anti-disassembling nut, the intersection line of described groove longitudinal section and this nut is a camber line.
Preferably, in the above-mentioned anti-disassembling nut, an end of described elastic component and described groove top are fixed, and the other end and described locking device are fixed.
Preferably, in the above-mentioned anti-disassembling nut, described locking device is a spheroid.
Preferably, in the above-mentioned anti-disassembling nut, described locking device is a steel ball.
Preferably, in the above-mentioned anti-disassembling nut, described locking device is a cone.
Preferably, in the above-mentioned anti-disassembling nut, described elastic component is a spring.
From above-mentioned technological scheme as can be seen, the anti-disassembling nut that the utility model provides is by radially being provided with at least one groove on the inner threaded surface of this nut, and is provided with elastic component in this groove and is positioned at the locking device of this elastic component lower end.Make that if when when wanting opposite spin to withdraw from nut, the interior elastic component promotion of groove locking device moves to the bottom along groove.Produce the tight power of system thus between locking device and the groove surface, along with the variation of swing offset, making tight power can be increasing, up to making screw bolt and nut can not produce mutual motion fully, locks and non-removable purpose thereby reach.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiments more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The anti-disassembling nut structural representation that Fig. 1 provides for the utility model embodiment;
The anti-disassembling nut assembly structure schematic representation that Fig. 2 provides for the utility model embodiment.
Embodiment
The utility model discloses a kind of anti-disassembling nut, to avoid Infrastructure to be disassembled stealing and to adopt electric welding to add the defectives such as destruction structure that measure such as protecting cover brings.
Below in conjunction with the accompanying drawing among the utility model embodiment, the technological scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiments.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment who is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
See also Fig. 1, Fig. 2, the anti-disassembling nut structural representation that Fig. 1 provides for the utility model embodiment; The anti-disassembling nut assembly structure schematic representation that Fig. 2 provides for the utility model embodiment.
Wherein, 1 is the nut plug, and 2 is nut, and 3 is groove, and 4 is elastic component, and 5 is locking device, and 6 is connected piece, and 7 is bolt.
Radially be provided with at least one groove 3 on the inner threaded surface of the anti-disassembling nut 2 that the utility model provides, and be provided with elastic component 4 and the locking device 5 that is positioned at these elastic component 4 lower ends in this groove 3.Wherein, the area of groove 3 cross sections and this cross section are directly proportional or inverse ratio to the distance of nut one end end face.The degree of depth that is groove becomes the trend successively decrease or increase progressively, and the intersection line of groove 3 longitudinal sections and this nut is camber line or straight line, as long as guarantee radially each cross section smooth transition of groove 3.
In sum, the anti-disassembling nut 2 that the utility model provides is by radially being provided with at least one groove 3 on the inner threaded surface of this nut 2, and is provided with elastic component 4 in this groove 3 and is positioned at the locking device 5 of this elastic component lower end.Make that when if when wanting opposite spin to withdraw from nut 2 groove 3 interior elastic components 4 promotion locking devices 5 move to the bottom along groove 3.Produce the tight power of system thus between locking device 5 and the groove surface, along with the variation of swing offset, making tight power can be increasing, up to making screw bolt and nut 2 can not produce mutual motion fully, locks and non-removable purpose thereby reach.
In order to optimize technique scheme, an end and described groove 3 tops of elastic component 4 to be fixed, the other end and described locking device 5 are fixing.Can guarantee effectively fixing at groove 3 of elastic component 4 and locking device 5 like this, guarantee its invariant position in groove 3.Can be not yet fixedly elastic component 4 and the position of locking device 5 in groove 3, only need a nut plug 1 and the collocation of this nut to use and can guarantee that the position of the two is accurate.Nut plug 1 is the plug of nut 2 one ends, can be the structure of similar flange plate.
When nut 2 was screwed into bolt 7 and screws, nut plug 1 can be ejected the disengaging nut.And the deep-seated that this moment, locking device 5 was in groove 3 is put (being groove cross section area maximum position), can freely screw in to guarantee nut, until reaching tight condition.
If when when wanting opposite spin to withdraw from nut 2, to promote locking devices 5 mobile to shallow place, bottom (being groove cross section area minimum position) along groove 3 for elastic components 4 in the groove 3.Produce the tight power of system thus between 3 of locking device 5 and the grooves, along with the variation of swing offset, making tight power can be increasing, up to making bolt 7 and nut 2 can not produce mutual motion fully, thereby reaches locking and non-removable purpose.
The structure of preferred above-mentioned locking device 5 is spheroid or cone, and material is a steel.Spheroidal structure helps locking device to move in groove 3.
Preferred above-mentioned elastic component 4 is a spring.
The nut that the utility model provides, be a kind of in field facilities such as electric power system, communication system and expressway the anti-theft nut of fastenings or member, have good auto-lock function simultaneously, it is loosening and stolen voluntarily to effectively prevent member.The utility model structure is ingenious, flexible operation, installation simple, reliable performance, has good economic benefits.
Each embodiment adopts the mode of going forward one by one to describe in the specification, and what each embodiment stressed all is and other embodiments' difference that identical similar part is mutually referring to getting final product between each embodiment.
To the above-mentioned explanation of the disclosed embodiments, make related domain professional and technical personnel can realize or use the utility model.Multiple modification to these embodiments will be conspicuous concerning those skilled in the art, and defined herein General Principle can realize under the situation that does not break away from spirit or scope of the present utility model in other embodiments.Therefore, the utility model will can not be restricted to these embodiments shown in this article, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (8)
1. an anti-disassembling nut is characterized in that, radially is provided with at least one groove on the inner threaded surface of this nut, and is provided with elastic component and the locking device that is positioned at this elastic component lower end in this groove.
2. anti-disassembling nut according to claim 1 is characterized in that, the area of described groove cross section and this cross section are directly proportional or inverse ratio to the distance of nut one end end face.
3. anti-disassembling nut according to claim 2 is characterized in that, the intersection line of described groove longitudinal section and this nut is a camber line.
4. anti-disassembling nut according to claim 1 is characterized in that, an end of described elastic component and described groove top are fixed, and the other end and described locking device are fixed.
5. anti-disassembling nut according to claim 1 is characterized in that, described locking device is a spheroid.
6. anti-disassembling nut according to claim 5 is characterized in that, described locking device is a steel ball.
7. anti-disassembling nut according to claim 1 is characterized in that, described locking device is a cone.
8. anti-disassembling nut according to claim 1 is characterized in that, described elastic component is a spring.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010201113165U CN201714815U (en) | 2010-02-10 | 2010-02-10 | Anti-disassembling nut |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010201113165U CN201714815U (en) | 2010-02-10 | 2010-02-10 | Anti-disassembling nut |
Publications (1)
Publication Number | Publication Date |
---|---|
CN201714815U true CN201714815U (en) | 2011-01-19 |
Family
ID=43460811
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2010201113165U Expired - Fee Related CN201714815U (en) | 2010-02-10 | 2010-02-10 | Anti-disassembling nut |
Country Status (1)
Country | Link |
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CN (1) | CN201714815U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110439913A (en) * | 2019-09-04 | 2019-11-12 | 海盐上宇紧固件科技股份有限公司 | A kind of high-intensitive anti-demounting bolt of wind power equipment |
CN113124035A (en) * | 2019-12-31 | 2021-07-16 | 苏州佳世达光电有限公司 | Anti-dismantling system, anti-dismantling combination and dismantling tool |
-
2010
- 2010-02-10 CN CN2010201113165U patent/CN201714815U/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110439913A (en) * | 2019-09-04 | 2019-11-12 | 海盐上宇紧固件科技股份有限公司 | A kind of high-intensitive anti-demounting bolt of wind power equipment |
CN113124035A (en) * | 2019-12-31 | 2021-07-16 | 苏州佳世达光电有限公司 | Anti-dismantling system, anti-dismantling combination and dismantling tool |
US11846313B2 (en) | 2019-12-31 | 2023-12-19 | Qisda Corporation | Tamper resistant system, tamper resistant assembly and detaching tool |
CN113124035B (en) * | 2019-12-31 | 2024-05-14 | 苏州佳世达光电有限公司 | Anti-disassembly system, anti-disassembly combination and disassembly tool |
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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: 20110119 Termination date: 20170210 |
|
CF01 | Termination of patent right due to non-payment of annual fee |