CN105909662A - Embedded cone antitheft vibration resisting nut - Google Patents
Embedded cone antitheft vibration resisting nut Download PDFInfo
- Publication number
- CN105909662A CN105909662A CN201610508006.9A CN201610508006A CN105909662A CN 105909662 A CN105909662 A CN 105909662A CN 201610508006 A CN201610508006 A CN 201610508006A CN 105909662 A CN105909662 A CN 105909662A
- Authority
- CN
- China
- Prior art keywords
- nut
- protection
- embedded
- antitheft
- cone
- 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.)
- Pending
Links
- 239000002184 metal Substances 0.000 claims abstract description 38
- 230000001681 protective effect Effects 0.000 claims abstract description 38
- 230000002265 prevention Effects 0.000 abstract 2
- 238000009434 installation Methods 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 3
- 230000001066 destructive effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B41/00—Measures against loss of bolts, nuts, or pins; Measures against unauthorised operation of bolts, nuts or pins
- F16B41/005—Measures against unauthorised operation of bolts, nuts or pins
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B37/00—Nuts or like thread-engaging members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
- F16B39/24—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by means of washers, spring washers, or resilient plates that lock against the object
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bolts, Nuts, And Washers (AREA)
Abstract
The invention discloses an embedded cone antitheft vibration resisting nut. The nut comprises a metal protective cover, a protection nut, an embedded nut and a spring washer; the same threads are arranged on the inner sides of the protection nut and the embedded nut; a cavity capable of accommodating the embedded nut is formed in the protection nut; the spring washer is arranged between the protection nut and the embedded nut; and a cavity is formed in the metal protective cover, and can accommodate the protection nut in one direction. The nut is characterized in that the protection nut and the embedded nut are totally cylinders; and one-way screwing structures are respectively arranged on the tail sections. The nut has the advantages of simple structure, reasonable design and convenience for installation. Due to incapability of firstly screwing out for dismounting prevention when the embedded nut entering the protection nut, the spring washer between the two nuts provides pretightening force for looseness prevention.
Description
Technical field
The present invention relates to anti-theft nut structure, especially a kind of nested type cone antitheft antidetonation nut.
Background technology
The machinery of modern industry production, equipment, widely used bolt, nut structure are as connected mode, and this connected mode is simple, reliable, and Financial cost is low.In power supply facility, the connection of the facilities such as the steel tower set up such as field, transformator is all to use this bolt, the connected mode of nut to be fixed.
What bolt that power supply facility uses, nut usually had a regular geometric shapes screws structure.This structure that screws can whether be installed with Bidirectional screw or dismounting may be by simple tool, and such as spanner, inner hexagon spanner, pipe wrench etc. carry out constructing operation.The readily removable property of this structure is easy to be utilized by lawless person, causes the loss of parts of electric power facility even to be damaged, thus has had influence on the safety of Operation of Electric Systems.So, in order to ensure safety, use the bolt of anti-theft type, nut structure, become the emphasis of power system and other field.
The anti-theft bolt of prior art, nut, it is roughly divided into two kinds, one is that regular geometric shapes is screwed structure instead with tapered structure, avoid utilizing simple tool to dismantle, two is that the inside for nut installs roll structure additional, unidirectional can screw, avoid equally and utilize simple tool to dismantle.But both structures all have weak point.Screw structure instead with tapered structure, this destructive instrument of pipe wrench still can be used to dismantle, utilize the dental inlay structure of pipe wrench to bite the conical surface, carry out the operation dismantled.And the inside for nut installs roll structure additional, its structure is complicated, and long processing time and cost are high, directly result in the rising of power supply cost.Both bolts, nut structure, when running into vibrations, also can produce loosening phenomenon and occur.
Summary of the invention
For the deficiencies in the prior art, develop a kind of simple in construction, reasonable in design, install convenient, there is the unidirectional ability of screwing and prevent conventional tool from dismantling, should have the anti-theft nut of certain anti-loose ability simultaneously.
For above-mentioned technical problem, technical scheme is as follows:
A kind of nested type cone antitheft antidetonation nut, including protective metal shell, protection nut, embedded nut and spring washer;Arranging identical screw thread inside protection nut and embedded nut, protection nut interior arranges the cavity that can accommodate embedded nut, and spring washer is arranged between protection nut and embedded nut；Cavity is set inside protective metal shell, it is possible to unidirectional receiving protection nut, described protection nut and embedded nut generally cylinder, tail section is respectively provided with and unidirectional screws structure.
The invention has the beneficial effects as follows:
1, embedded nut the most deeply protects nut interior, it is impossible to dismantled by simple tool.
2, it is cased with protective metal shell outside protection nut, relative slides between its cone structure with protection nut, use pipe wrench etc. to have destructive instrument and cannot dismantle protection nut.
3, use and unidirectional screw structure, especially three cards screw structure, it is possible to prevent from further utilizing simple tool to dismantle nut.
4, by spring washer provide pretightning force then prevent install after vibrational relaxation problem, ensured the safe operation of equipment.
Accompanying drawing explanation
Fig. 1 is the Split type structure figure of a kind of nested type cone antitheft antidetonation nut.
Fig. 2 is the whole body structure figure of a kind of nested type cone antitheft antidetonation nut.
Fig. 3 is the plane structure chart that three cards screw structure.
Fig. 4 is the structure chart in wedge-shaped projection portion.
Fig. 5 uses with tapered protective metal shell, protection nut and the Split type structure figure of embedded nut.
Fig. 6 uses with tapered protective metal shell, protection nut and the Split type structure figure of embedded nut.
Wherein, 1, protective metal shell, 2, protect nut, 3, embedded nut, 4, spring washer, 5, unidirectional screw structure, 6, the cavity of embedded nut, 7, cavity protective metal shell within, 51, three block and screw structure, and 510, wedge-shaped projection portion, 511, card face (511), and 512, domatic.
Detailed description of the invention
The present invention will be further described with embodiment below in conjunction with the accompanying drawings.
Embodiment 1
With reference to Fig. 1, Fig. 2, a kind of nested type cone antitheft antidetonation nut, including protective metal shell, protection nut, embedded nut and spring washer;Arranging identical screw thread inside protection nut and embedded nut, protection nut interior arranges the cavity that can accommodate embedded nut, and spring washer is arranged between protection nut and embedded nut；Cavity is set inside protective metal shell, it is possible to unidirectional receiving protection nut, described protection nut and embedded nut generally cylinder, tail section is respectively provided with and unidirectional screws structure.
Using protective metal shell structure, it is possible to form smooth gap between protective metal shell and protection nut, protective metal shell can slide relative to protection nut, does not affect protection nut and the fastening of embedded nut simultaneously.Protective metal shell is set to the mode of unidirectional receiving, and protection nut can only enter in sheath from the side of protective metal shell, and can not enter from opposite side.
The cavity that protection nut interior is arranged; embedded nut can be accommodated completely; embedded nut length should be less than protecting the inner length of the cavity of nut; the afterbody making embedded nut is maintained at the inside of protection nut; between protection nut and embedded nut there is smooth and small gap, it is to avoid simple tool is directed to the dismounting of embedded nut.Meanwhile, protection nut is restricted by embedded nut, uses simple tool to dismantle protection nut, and embedded nut can stop moving axially of protection nut, forms the reverse protection to protection nut.
Produce nut loosening relative to screw rod in order to avoid being given a shock, a spring washer is set between protection nut and embedded nut, utilize the pretightning force between two nuts that spring washer provides to prevent the vibrations after installing lax.
It is respectively provided with on protection nut and embedded nut tail section and unidirectional screws structure, it is possible to use protection nut and embedded nut are mounted and dismounted by specific purpose tool.The unidirectional structure that screws can be helicitic texture or ratchet structure or be screwed structure by what the wedge-shaped projection portion of more than 2 formed.Preferably being screwed structure by what the wedge-shaped projection portion of more than 2 formed, described wedge-shaped projection portion is by card face and domatic forms；Card face is perpendicular to embedded nut tail section, domatic extends clockwise along embedded nut tail section.The above-mentioned structure that screws being made up of the wedge-shaped projection portion of more than 2 is equally applicable to protect the tail section of nut.Wedge-shaped projection portion is uniformly distributed on the tail section of embedded nut or protection nut.
In actually used, being first enclosed within screw rod by protective metal shell, protective metal shell can accommodate one end of protection nut and point to screw flight direction, and what the other end of protective metal shell pointed to screw rod screws structure；Protection nut is inserted in screw rod, rotates protection nut and screw structure to screw rod；Spring washer is inserted in screw rod, is contained in bottom the internal cavities of protection nut；Embedded nut is inserted in screw rod, rotates embedded nut to spring washer.Utilize specific purpose tool engaging protection nut and embedded nut, after screwing, exit specific purpose tool.
Embodiment 2
Referring to the drawings 3, Fig. 4, the present embodiment provides a kind of preferably mode on the basis of embodiment 1, described unidirectional screw three cards that structure is made up of 3 wedge-shaped projection portions and screws structure.
3 wedge-shaped projection portions are evenly distributed on the tail section of protection nut or embedded nut, define three holding sections of triangle distribution.In using, the structure in relative 2 wedge-shaped projection portions has more stablizing effect, and the wedge-shaped projection portion of relative 4 or more than 4 has simple in construction, is prone to the effect of processing.
Embodiment 3
With reference to Fig. 5, Fig. 6, the present embodiment provides a kind of improved plan on the basis of both of the aforesaid embodiment, and protective metal shell is the outside sheath for circular cone stage body, and space is frustum of a cone body space；Described protection nut and embedded nut profile are circular cone stage body, and space is frustum of a cone body space；Described protective metal shell can accommodate protection nut, and described protection nut can accommodate embedded nut.
Protective metal shell is made circular cone stage body; the contact area of pipe wrench and protective metal shell is reduced on the surface that can utilize circular cone; simultaneously as the gap between protective metal shell and protection nut, even if pipe wrench can be engaged protective metal shell, protective metal shell is also merely able to relative to protecting nut to rotate.Protective metal shell is destroyed by pipe wrench, if ordinary construction, the most cylindric, it is possible to cause under the huge torsion of pipe wrench, protective metal shell bulk deformation, it is impossible to secondary uses；Have employed the structure of circular cone stage body, protective metal shell is limited with the contact area of pipe wrench, can only cause the destruction that conical base is limited, still can use by secondary.
Protection nut and embedded nut have employed the mode of circular cone stage body equally, and protective metal shell and protection nut are respectively provided with frustum of a cone body space simultaneously.
Tapering between protective metal shell with protection nut is identical, it is possible to accommodating protection nut, adopt in this way, the material required for protective metal shell is less, makes simple, it is possible to reduce cost.
Tapering between protection nut and embedded nut is identical, can occasionally accommodate embedded nut, adopt in this way, enough avoids because foreign body, such as gravel, and the nut caused in entering into gap can not use the problem that specific purpose tool is removed.
In order to coordinate the technical scheme of the present embodiment, spring washer is set to interior diameter and is less than the interior diameter minima of protection nut more than screw diameter, overall diameter.Protective metal shell and the protection tapering of nut and the most identical.
In aforementioned all embodiments, the screw thread of described embedded nut and protection nut can be single thread or double thread, can be right-handed thread or left hand thread, preferably dextrorotation single thread.
In sum, due to the fact that have employed and unidirectional screw structure, after making nut screwing clamping, reversely cannot be outwarded winding by common wrench, due to its nested structure and cone feature, improve technical difficulty and the time of dismounting the most to greatest extent, from the point of view of cost effectiveness, stopped the possibility of violence dismounting, thus effectively reduce that State Grid's facility is stolen tears caused loss open.Improve the safe operation of electrical equipment, guarantee power system continues, reliable power supply.
Skilled person will appreciate that of the industry; the present invention is not restricted to the described embodiments; the principle of the knowledge explanation present invention described in above-described embodiment and description; without departing from the spirit and scope of the present invention, the present invention also have further changes and improvements, these changes and improvements both fall within scope of the claimed invention.Claimed scope is defined by the following claims.
Claims (8)
1. a nested type cone antitheft antidetonation nut, including protective metal shell (1), protection nut (2), embedded nut (3) and spring washer (4);Protection nut (2) and embedded nut (3) inner side arrange identical screw thread, and protection nut (2) is internal arranges the cavity (6) that can accommodate embedded nut (3), and spring washer (4) is arranged between protection nut (2) and embedded nut (3)；Protective metal shell (1) is internal arranges cavity (7), it is possible to unidirectional accommodate protection nut (2), it is characterised in that: described protection nut (2) and embedded nut (3) generally cylinder, tail section is respectively provided with and unidirectional screws structure (5).
A kind of nested type cone antitheft antidetonation nut the most according to claim 1, it is characterized in that: the described unidirectional structure (5) that screws is made up of the wedge-shaped projection portion (510) of more than 2, and wedge-shaped projection portion (510) are made up of card face (511) and domatic (512)；Card face (511) is perpendicular to embedded nut (3) tail section, and domatic (512) extend clockwise along embedded nut (3) tail section.
A kind of nested type cone antitheft antidetonation nut the most according to claim 2, it is characterised in that: described unidirectional screw three cards that structure (5) is made up of 3 wedge-shaped projection portions (510) and screw structure (51).
4. according to a kind of nested type cone antitheft antidetonation nut described in any one of claim 1 ~ 3, it is characterised in that: protective metal shell (1) is the outside sheath for circular cone stage body, and space (7) are frustum of a cone body space；Described protection nut (2) and embedded nut (3) profile are circular cone stage body, and space (7) are frustum of a cone body space；Described protective metal shell (1) can accommodate protection nut (2), and described protection nut (2) can accommodate embedded nut (3).
A kind of nested type cone antitheft antidetonation nut the most according to claim 4, it is characterised in that: spring washer (4) interior diameter is more than screw diameter, and overall diameter is less than the interior diameter minima of protection nut (2).
A kind of nested type cone antitheft antidetonation nut the most according to claim 4, it is characterised in that: protective metal shell (1) with protect the tapering of nut (2) and the most identical.
A kind of nested type cone antitheft antidetonation nut the most according to claim 1, it is characterised in that: described embedded nut (3) length should be less than protecting the inner length of the cavity (6) of nut (2).
A kind of nested type cone antitheft antidetonation nut the most according to claim 1, it is characterised in that: described screw thread is dextrorotation single thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610508006.9A CN105909662A (en) | 2016-07-01 | 2016-07-01 | Embedded cone antitheft vibration resisting nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610508006.9A CN105909662A (en) | 2016-07-01 | 2016-07-01 | Embedded cone antitheft vibration resisting nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105909662A true CN105909662A (en) | 2016-08-31 |
Family
ID=56754172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610508006.9A Pending CN105909662A (en) | 2016-07-01 | 2016-07-01 | Embedded cone antitheft vibration resisting nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105909662A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109083908A (en) * | 2018-11-07 | 2018-12-25 | 嘉兴海缙五金科技有限公司 | A kind of antidetonation anti-theft nut |
| CN110374979A (en) * | 2019-06-05 | 2019-10-25 | 丹东市康世界科技有限公司 | A kind of anti-loosening ultrasonic transducer mounting structure and installation method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020118536A1 (en) * | 2001-02-28 | 2002-08-29 | Wen-Chang Wu | Structure multi-cut type lamp pipe connector componentry |
| CN201184358Y (en) * | 2008-04-14 | 2009-01-21 | 仲伟红 | Anti-theft sole screw for electric machine base plate |
| CN201982459U (en) * | 2011-01-27 | 2011-09-21 | 晋德有限公司 | Anti-dismounting bolt |
| CN204729450U (en) * | 2015-07-01 | 2015-10-28 | 陈振青 | The antitheft assembly of a kind of threaded fastener totally enclosed type |
| CN205780212U (en) * | 2016-07-01 | 2016-12-07 | 国网辽宁省电力有限公司盘锦供电公司 | A kind of nested type cone antitheft antidetonation nut |
-
2016
- 2016-07-01 CN CN201610508006.9A patent/CN105909662A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020118536A1 (en) * | 2001-02-28 | 2002-08-29 | Wen-Chang Wu | Structure multi-cut type lamp pipe connector componentry |
| CN201184358Y (en) * | 2008-04-14 | 2009-01-21 | 仲伟红 | Anti-theft sole screw for electric machine base plate |
| CN201982459U (en) * | 2011-01-27 | 2011-09-21 | 晋德有限公司 | Anti-dismounting bolt |
| CN204729450U (en) * | 2015-07-01 | 2015-10-28 | 陈振青 | The antitheft assembly of a kind of threaded fastener totally enclosed type |
| CN205780212U (en) * | 2016-07-01 | 2016-12-07 | 国网辽宁省电力有限公司盘锦供电公司 | A kind of nested type cone antitheft antidetonation nut |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109083908A (en) * | 2018-11-07 | 2018-12-25 | 嘉兴海缙五金科技有限公司 | A kind of antidetonation anti-theft nut |
| CN110374979A (en) * | 2019-06-05 | 2019-10-25 | 丹东市康世界科技有限公司 | A kind of anti-loosening ultrasonic transducer mounting structure and installation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160831 |
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| RJ01 | Rejection of invention patent application after publication |