CN106382295A - Multiple-looseness-prevention nut - Google Patents
Multiple-looseness-prevention nut Download PDFInfo
- Publication number
- CN106382295A CN106382295A CN201610897559.8A CN201610897559A CN106382295A CN 106382295 A CN106382295 A CN 106382295A CN 201610897559 A CN201610897559 A CN 201610897559A CN 106382295 A CN106382295 A CN 106382295A
- Authority
- CN
- China
- Prior art keywords
- nut
- truncated cone
- groove
- multiple stop
- recessed
- 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.)
- Granted
Links
- 238000009826 distribution Methods 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 4
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000003754 machining Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005273 aeration Methods 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
Classifications
-
- 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
- F16B39/02—Locking of screws, bolts or nuts in which the locking takes place after screwing down
- F16B39/12—Locking of screws, bolts or nuts in which the locking takes place after screwing down by means of locknuts
- F16B39/122—Locking of screws, bolts or nuts in which the locking takes place after screwing down by means of locknuts foreseen with mating surfaces inclined, i.e. not normal, to the bolt axis
-
- 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
- F16B39/02—Locking of screws, bolts or nuts in which the locking takes place after screwing down
-
- 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
- F16B39/02—Locking of screws, bolts or nuts in which the locking takes place after screwing down
- F16B39/028—Locking of screws, bolts or nuts in which the locking takes place after screwing down by means of an auxiliary bolt or threaded element whose action provokes the deformation of the main bolt or nut and thereby its blocking
-
- 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
- F16B39/02—Locking of screws, bolts or nuts in which the locking takes place after screwing down
- F16B39/12—Locking of screws, bolts or nuts in which the locking takes place after screwing down by means of locknuts
- F16B39/126—Locking of screws, bolts or nuts in which the locking takes place after screwing down by means of locknuts causing radial forces on the bolt-shaft
-
- 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
- F16B39/28—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by special members on, or shape of, the nut or bolt
- F16B39/282—Locking by means of special shape of work-engaging surfaces, e.g. notched or toothed nuts
-
- 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
- F16B39/28—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by special members on, or shape of, the nut or bolt
- F16B39/284—Locking by means of elastic deformation
- F16B39/286—Locking by means of elastic deformation caused by saw cuts
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Dowels (AREA)
Abstract
The invention discloses a multiple-looseness-prevention nut. The multiple-looseness-prevention nut comprises a concave nut and a convex nut; a first thread is arranged in a cavity of the concave nut, a truncated-cone-shaped cavity is formed in the concave nut, the inner wall of the truncated-cone-shaped cavity is a smooth surface, a screw hole is formed in a cavity of the convex nut, a second thread is arranged in the screw hole, the convex nut is provided with a truncated cone which is matched with the truncated-cone-shaped cavity, an eccentric distance L is arranged between the center line of the truncated cone and the center line of the screw hole, a deformation groove is formed in the outer wall of the maximum wall thickness portion of the side wall of the truncated cone, a blind hole and a pin column hole are formed in the end face, making contact with the convex nut, of the concave nut, and the diameter of the pin column hole is smaller than that diameter of the blind hole. The deformation groove is formed in the outer wall of the truncated cone of the convex nut, and therefore when the concave nut and the convex nut are matched, the maximum wall thickness portion of the side wall of the convex nut generates the proper deformation, the machining error range of the convex nut is larger, the manufacturing cost is greatly reduced, the yield is improved to 100%, and the manufacturing cost is reduced by about one time than that of an existing eccentric looseness-prevention nut.
Description
Technical field
The present invention relates to securing member, it is a kind of multiple stop nut.
Background technology
At present, the structure of stop nut have multiple：Screw thread apply binding agent, channel nut add split pin, double nut fastening and
The structures such as eccentric throw nut.In the structure of these stop nuts, eccentric throw nut, due to having preferable anti-loosing effect, is employed
In the vehicles run at high speed.But this eccentric throw nut still suffers from deficiency：Requirement on machining accuracy is high, yield rate phase
To relatively low, commercially available expensive, when Product Precision does not reach when processing request produces error it is more difficult to ensure nut in use not
Generation gets loose, and therefore, remains a need for needing often to overhaul its aeration level in use；Further, since the cost of stop nut is high, lead
Its range of application is caused to be subject to larger restriction.
Content of the invention
It is an object of the invention to provide a kind of multiple stop nut, it prevents structure using multiple, makes nut use the longevity
Do not produce in the life phase and get loose, and reduce manufacturing cost, expand range of application.
The present invention for achieving the above object, by the following technical programs：A kind of multiple stop nut, including recessed nut and convex
Nut, setting truncated cone shape cavity in setting the first screw thread, recessed nut in the cavity of recessed nut, the inwall of truncated cone shape cavity is smooth
Surface, setting the second screw thread in setting screw, screw in the cavity of knurled nut, knurled nut arranges the truncated cone, the truncated cone and truncated cone
Shape cavity coordinates, and the centrage of the truncated cone arranges eccentric throw L with the centreline space of screw, truncated cone body sidewall thickest part
Deformation groove is opened up on outer wall, the end face that recessed nut is touched with knurled nut opens up blind hole and pin hole, pin hole is located at blind hole
Opening at, the diameter of pin hole is less than in the diameter of blind hole, blind hole installs spring, and spring one end is connected with blind via bottom, separately
One end is connected with pin, and pin is arranged on pin in the hole, and the end face touching with recessed nut on knurled nut opens up rack bore, tooth
Bar hole side opens up gear grooved, and tooth bar in the hole is installed and installed gear in tooth bar, gear grooved, and wheel and rack engages, and gear is pacified
Dress release lever.First screw thread, the second screw thread are that apply must firm screw thread.Deformation groove is arcuate groove, and arcuate groove is along truncated cone week
To distribution.Deformation groove is drift slot.Deformation groove is straight groove, and straight groove is along truncated cone external surface vertical distribution.Described arc
Shape groove is 2-5 bar, and vertical dimension H between every two arcuate groove outer edges is 1.5-2.5 millimeter.Described straight groove is 4-8 bar, often
Article two, the lateral separation between straight groove outer edge is 1.5-3 millimeter.The bottom setting ring flange of knurled nut, the end face of ring flange sets
Put several projections.
It is an advantage of the current invention that：Using multiple anti-loose structure it is achieved that nut did not produced within the service life phase gets loose
Purpose, the safety in utilization of nut is greatly improved, can be widely applied in the various vehicles run at high speed, fastening peace
Quan Xinggao is it is not necessary to keep in repair；Meanwhile, the technical scheme that the present invention provides achieves and reduces manufacturing cost, expands range of application
Purpose.The deformation groove that the present invention opens up on knurled nut truncated cone outer wall, knurled nut when recessed nut can be made to coordinate with knurled nut
Side wall thickest part produce appropriate deformation, thus make knurled nut mismachining tolerance scope bigger, make manufacturing cost significantly
Reduce, yield rate improves to 100%, manufacturing cost reduces by 1 times about than existing bias stop nut, can make of the present invention
Nut is widely used in the various fields such as waterpower, electric power, industrial and mineral and building, it is to avoid these fields are to the securing member using because of warp
Often maintenance and the loaded down with trivial details work that produces, simultaneously, it is to avoid because keeping in repair the production accident occurring not in time.
Brief description
Accompanying drawing 1 is present configuration schematic diagram；Accompanying drawing 2 is the overlooking the structure diagram of accompanying drawing 1；Accompanying drawing 3 is facing upward of accompanying drawing 1
Depending on structural representation；Accompanying drawing 4 is I portion mplifying structure schematic diagram in accompanying drawing 1；Accompanying drawing 5 be in Fig. 4 A to mplifying structure schematic diagram.
Specific embodiment
The present invention will be further described for comparison accompanying drawing.
The present invention provide nut structure be：A kind of multiple stop nut, including recessed nut 1 and knurled nut 2, recessed nut 1
Cavity in setting the first screw thread 10, setting truncated cone shape cavity 9 in recessed nut 1, the inwall of truncated cone shape cavity 9 is smooth surface,
Setting screw 5 in the cavity of knurled nut 2, setting the second screw thread 8 in screw 5, knurled nut 2 arranges the truncated cone 21, the truncated cone 21 with
Truncated cone shape cavity 9 coordinates, and the centrage of the truncated cone 21 arranges eccentric throw L with the centreline space of screw 5, and the truncated cone 21 side wall is maximum
Deformation groove 6 is opened up on the outer wall of wall thickness part, the end face that recessed nut 1 is touched with knurled nut 2 opens up blind hole 18 and pin hole
15, pin hole 15 is located at the opening of blind hole 18, and the diameter of pin hole 15 is less than the diameter of blind hole 18, installs spring in blind hole 18
19, spring 19 one end is connected with blind hole 18 bottom, and the other end is connected with pin 16, and pin 16 is arranged in pin hole 15, convex
Rack bore 14 is opened up on the end face being touched with recessed nut 1 on nut 2, rack bore 14 side opens up gear grooved 11, in rack bore 14
Tooth bar 20 is installed, gear 12 is installed in gear grooved 11, gear 12 is engaged with tooth bar 20, gear 12 is installed release lever 13.On
State that so that nut is achieved in structure multiple locking, in addition to eccentric throw structure, deformation groove are locking, spring, pin and rack structure
Realize locking further, make the anti-loosing effect of nut reach high safety state.The locking process of spring, pin and rack structure
It is：When recessed nut 1 is tightened with knurled nut 2 and touched, the pin hole 21 on recessed nut 1 is reached with the rack bore 14 on knurled nut 2
Coincidence status, pin 16 enters in rack bore 14 under spring force, realizes nut anti-looseness purpose.Need to release nut lock
During tight state, by solving to move on trivial handle 13 rotate gear 12 band carry-over bar 20, pin 16 is ejected rack bore 14.
Deformation groove of the present invention can make the processing that the thickest part of the truncated cone body sidewall of knurled nut allows miss
Difference scope is bigger.Due to recessed nut, knurled nut and screw rod cooperation when using, when recessed nut, knurled nut are from close to the process of touching
In, during the truncated cone cavity of the truncated cone recessed nut of entrance of knurled nut, knurled nut side wall thickest part can extrude recessed nut
Medial wall, recessed nut produces dislocation relative to knurled nut, can eliminate from screw rod both sides extruding screw after recessed nut, knurled nut dislocation
Fit clearance between screw rod and nut, realizes the locking to screw rod.When the thickest of knurled nut side wall is excessive, recessed nut and
Knurled nut dislocation amplitude beyond the fit clearance between screw rod and nut, will lead to recessed nut, knurled nut cannot be fitted close, such as strong
Row screws, and can damage the screw thread of screw rod or nut；When the side wall thickest of knurled nut is too small, recessed nut is tight with knurled nut
After close fit, between nut and screw rod, still can leave gap, during use, nut can be led in vibration environment to get loose.Therefore, right
The requirement on machining accuracy of knurled nut is high, so that the manufacturing cost of nut is relatively raised, yield rate is relatively low, leads to the city of stop nut
Sell expensive.Deformation groove structure on the truncated cone of present invention design can be in knurled nut side wall thickest portion extrusion
Knurled nut side wall thickest part is made to produce appropriate deformation during recessed nut medial wall.
The preferred scheme of the present invention is：First screw thread 10, the second screw thread 8 are that apply must firm screw thread.
Deformation groove 6 of the present invention is at least opened in the truncated cone 21 side wall thickest part, and deformation groove 6 is permissible
There are multiple preferred structures：Deformation groove 6 is arcuate groove, arcuate groove along the truncated cone 21, side wall thickest be partially circumferentially distributed or
Person is along the circumferentially distributed formation cannelure of the truncated cone 21 outer wall；Deformation groove 6 can be individually to be opened in the truncated cone 21 side wall maximum
The drift slot of wall thickness part, or in the uniform drift slot of the truncated cone 21 outer wall circumference；Deformation groove 6 can also be and is individually opened in
The straight groove of the truncated cone 21 side wall thickest part, straight groove along the truncated cone 21 outer surface vertical distribution, or, straight groove is opened
It is located in the circumferential exterior surface of the truncated cone 21.Further priority scheme is：Arcuate groove is 2-5 bar, outside every two arcuate grooves
Vertical dimension H between edge is 1.5-2.5 millimeter；Priority scheme can also be further：Straight groove is 4-8 bar, and every two straight
Lateral separation between shape groove outer edge is 1.5-3 millimeter.Such scheme be more convenient for truncated cone external surface produce appropriate deformation, reach
More preferable anti-loosing effect simultaneously better meets the larger mismachining tolerance scope of knurled nut, reduces manufacturing cost further.
The bottom setting ring flange 3 of knurled nut 2 of the present invention, the end face setting several raised 7 of ring flange 3, in flange
The end face setting of disk 3 several raised 7 is distributed on ring flange 3 end face, to increase frictional force, these projections 7 can be zigzag or
Variously-shaped textured.
The non-detailed description of the present invention is known technology.
Claims (8)
1. a kind of multiple stop nut, including recessed nut（1）And knurled nut（2）It is characterised in that：Recessed nut（1）Cavity in
First screw thread is set（10）, recessed nut（1）Interior setting truncated cone shape cavity（9）, truncated cone shape cavity（9）Inwall be smooth surface,
Knurled nut（2）Cavity in setting screw（5）, screw（5）Interior setting the second screw thread（8）, knurled nut（2）The setting truncated cone
（21）, the truncated cone（21）With truncated cone shape cavity（9）Cooperation, the truncated cone（21）Centrage and screw（5）Centreline space setting
Eccentric throw L, the truncated cone（21）Deformation groove is opened up on the outer wall of side wall thickest part（6）, recessed nut（1）Go up and knurled nut
（2）The end face touching opens up blind hole（18）And pin hole（15）, pin hole（15）Positioned at blind hole（18）Opening at, pin hole
（15）Diameter be less than blind hole（18）Diameter, blind hole（18）Interior installation spring（19）, spring（19）One end and blind hole（18）Bottom
Portion connects, spring（19）The other end and pin（16）Connect, pin（16）It is arranged on pin hole（15）Interior, in knurled nut（2）On
With recessed nut（1）Rack bore is opened up on the end face touching（14）, rack bore（14）Side opens up gear grooved（11）, rack bore（14）
Interior installation tooth bar（20）, gear grooved（11）Interior installation gear（12）, gear（12）With tooth bar（20）Engagement, gear（12）Upper installation
Release lever（13）.
2. a kind of multiple stop nut according to claim 1 and 2 it is characterised in that：First screw thread（10）, the second screw thread
（8）It is that apply must firm screw thread.
3. a kind of multiple stop nut according to claim 1 it is characterised in that：Deformation groove（6）It is arcuate groove, arc
Groove is along the truncated cone（21）Circumferentially distributed.
4. a kind of multiple stop nut according to claim 1 it is characterised in that：Deformation groove（6）It is drift slot.
5. a kind of multiple stop nut according to claim 1 it is characterised in that：Deformation groove（6）It is straight groove, straight
Groove is along the truncated cone（21）Outer surface vertical distribution.
6. a kind of multiple stop nut according to claim 4 it is characterised in that：Described arcuate groove is 2-5 bar, every two
Vertical dimension H between arcuate groove outer edge is 1.5-2.5 millimeter.
7. a kind of multiple stop nut according to claim 6 it is characterised in that：Described straight groove is 4-8 bar, every two
Lateral separation between straight groove outer edge is 1.5-3 millimeter.
8. a kind of multiple stop nut according to claim 1 it is characterised in that：Knurled nut（2）Bottom setting flange
Disk（3）, ring flange（3）End face arrange several projections（7）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610897559.8A CN106382295B (en) | 2016-10-15 | 2016-10-15 | A kind of multiple stop nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610897559.8A CN106382295B (en) | 2016-10-15 | 2016-10-15 | A kind of multiple stop nut |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106382295A true CN106382295A (en) | 2017-02-08 |
| CN106382295B CN106382295B (en) | 2018-06-19 |
Family
ID=57937426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610897559.8A Active CN106382295B (en) | 2016-10-15 | 2016-10-15 | A kind of multiple stop nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106382295B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107447600A (en) * | 2017-09-19 | 2017-12-08 | 芜湖铁路桥梁制造有限公司 | Rail system |
| CN108035960A (en) * | 2017-12-27 | 2018-05-15 | 广西金邦泰科技有限公司 | A kind of anti-rotation nut |
| CN108087408A (en) * | 2017-12-01 | 2018-05-29 | 宁波金鼎紧固件有限公司 | A kind of Anti-loose bolt sleeve |
| CN108730313A (en) * | 2018-06-14 | 2018-11-02 | 荆门创佳机械科技有限公司 | Interlockable stop nut |
| CN109404400A (en) * | 2018-01-29 | 2019-03-01 | 王卫国 | A kind of androgynous reducing derotation fastened by screw component of never becoming loose |
| WO2019153926A1 (en) * | 2018-02-12 | 2019-08-15 | 林平 | Anti-loosening and anti-disengagement bolt and nut assembly and anti-loosening and disengagement bolt and anti-loosening and disengagement nut thereof |
| CN112211887A (en) * | 2020-11-16 | 2021-01-12 | 庞长青 | Split formula check bolt |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1054478A (en) * | 1991-04-10 | 1991-09-11 | 申叔岑 | Loose-proof self-lock nut and special spanner |
| CN2871950Y (en) * | 2006-01-23 | 2007-02-21 | 许彦杰 | Double-threaded deflection anti-loosing nut |
| CN202971514U (en) * | 2012-12-08 | 2013-06-05 | 宁波市鄞州云帆工程咨询有限公司 | Stepped thread locking type anti-loosening assembling unit of bolt and nut |
| CN203430953U (en) * | 2013-09-02 | 2014-02-12 | 天津市永昌焊丝有限公司 | Strong anti-vibration nut assembly for high-speed shredding machine |
| CN203809476U (en) * | 2014-03-05 | 2014-09-03 | 浙江赛日机电科技有限公司 | Eccentric self-locking stop nut |
| CN203962643U (en) * | 2014-07-15 | 2014-11-26 | 福建振宝机械有限公司 | A kind of end axle round nut safty device |
-
2016
- 2016-10-15 CN CN201610897559.8A patent/CN106382295B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1054478A (en) * | 1991-04-10 | 1991-09-11 | 申叔岑 | Loose-proof self-lock nut and special spanner |
| CN2871950Y (en) * | 2006-01-23 | 2007-02-21 | 许彦杰 | Double-threaded deflection anti-loosing nut |
| CN202971514U (en) * | 2012-12-08 | 2013-06-05 | 宁波市鄞州云帆工程咨询有限公司 | Stepped thread locking type anti-loosening assembling unit of bolt and nut |
| CN203430953U (en) * | 2013-09-02 | 2014-02-12 | 天津市永昌焊丝有限公司 | Strong anti-vibration nut assembly for high-speed shredding machine |
| CN203809476U (en) * | 2014-03-05 | 2014-09-03 | 浙江赛日机电科技有限公司 | Eccentric self-locking stop nut |
| CN203962643U (en) * | 2014-07-15 | 2014-11-26 | 福建振宝机械有限公司 | A kind of end axle round nut safty device |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107447600A (en) * | 2017-09-19 | 2017-12-08 | 芜湖铁路桥梁制造有限公司 | Rail system |
| CN108087408A (en) * | 2017-12-01 | 2018-05-29 | 宁波金鼎紧固件有限公司 | A kind of Anti-loose bolt sleeve |
| CN108087408B (en) * | 2017-12-01 | 2019-10-08 | 宁波金鼎紧固件有限公司 | A kind of Anti-loose bolt sleeve |
| CN108035960A (en) * | 2017-12-27 | 2018-05-15 | 广西金邦泰科技有限公司 | A kind of anti-rotation nut |
| CN109404400A (en) * | 2018-01-29 | 2019-03-01 | 王卫国 | A kind of androgynous reducing derotation fastened by screw component of never becoming loose |
| WO2019153926A1 (en) * | 2018-02-12 | 2019-08-15 | 林平 | Anti-loosening and anti-disengagement bolt and nut assembly and anti-loosening and disengagement bolt and anti-loosening and disengagement nut thereof |
| CN108730313A (en) * | 2018-06-14 | 2018-11-02 | 荆门创佳机械科技有限公司 | Interlockable stop nut |
| CN112211887A (en) * | 2020-11-16 | 2021-01-12 | 庞长青 | Split formula check bolt |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106382295B (en) | 2018-06-19 |
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