CN105889279A - Combined locknut - Google Patents
Combined locknut Download PDFInfo
- Publication number
- CN105889279A CN105889279A CN201410718061.1A CN201410718061A CN105889279A CN 105889279 A CN105889279 A CN 105889279A CN 201410718061 A CN201410718061 A CN 201410718061A CN 105889279 A CN105889279 A CN 105889279A
- Authority
- CN
- China
- Prior art keywords
- clamp nut
- washer
- nut
- stop
- ear
- 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
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- Bolts, Nuts, And Washers (AREA)
Abstract
The invention provides a combined locknut capable of being prevented from automatically unlocking on a bolt. The combined locknut comprises a fastening nut, a lock washer, a spring washer and a compressing nut. The combined locknut is characterized in that a limiting groove is formed in the fastening nut; a locking lug and a returning stopping lug are arranged on the lock washer; anti-slip teeth are arranged on the compressing nut. According to the combined locknut, a workpiece on the bolt is fastened through the fastening nut; then the bolt is sleeved with the lock washer and the spring washer sequentially, and the locking lug on the lock washer is embedded into the limiting groove in the fastening nut; the compressing nut is screwed and compressed; the returning stopping lug on the lock washer is inserted into tooth grooves of the anti-slip teeth on the compressing nut, so that the fastened fastening nut, the lock washer, the spring washer and the compressing nut can form a fastening body; a large frictional force remains between the body and threads of the bolt all the time. Therefore, the combined locknut has a good locking effect; and in addition, the combined locknut is simple to operate, and can be repeatedly used.
Description
(1) technical field
The present invention relates to a kind of securing member, particularly to a kind of Combined locknut.
(2) background technology
The application of nut is quite varied, but plain nut is without locking functions, can get over when the factors such as vibrated, impact affect
Coming the most loose, the existing anti-loosing effect having with the nut of locking functions is the best, some operations inconvenience, and can not repeating of having makes
With, it is not the most practical.
(3) summary of the invention
In order to make up the deficiency of existing stop nut, the invention provides a kind of Combined locknut, practical, locking
Effective.
The present invention is achieved by the following technical solutions:
A kind of Combined locknut, including clamp nut, stop washer, spring washer and clamp nut.Its feature is:
Limited location groove on clamp nut, stop washer has stop ear and retaining ear, clamp nut has anti-slop serrations.
The lower surface of clamp nut of the present invention with flange portion, the cylindrical side of flange portion has with stop washer only
The limited impression that dynamic ear is corresponding.
The stop ear of stop washer of the present invention and retaining ear are at axle by two square evaginations of radial direction on stop washer cylindrical
Reverse side folding an angle of 90 degrees forms the most each other, and after stop washer is inserted in bolt, its stop ear can embed the limit of clamp nut just
To condition each other in the groove of position, its retaining ear can insert in the teeth groove of clamp nut anti-slop serrations to prevent clamp nut revolution from getting loose.
The effect of described spring washer is to provide pretightning force, and the external diameter of spring washer is less than the external diameter of stop washer, so that stop pad
The retaining ear of circle can be crossed in the teeth groove of external diameter insertion clamp nut anti-slop serrations of spring washer, and spring washer and stop washer are equal
The metal material strong by elasticity is made.
The upper surface of clamp nut of the present invention is with flange portion, and the cylindrical side of flange portion is carved with the saw of uniformly continuous for one week
Profile of tooth anti-slop serrations, the trend of anti-slop serrations is in opposite direction with screwing of clamp nut.
The invention has the beneficial effects as follows, due to two freely rotatable nuts on bolt after holding out against mutually between two nuts axially
Thrust increases, so axial force increases and makes two nuts become to be difficult to rotate between the screw thread of two nuts and bolt, therefore this
After bright described clamp nut holds out against clamp nut, recycling stop washer makes relative distance between clamp nut and clamp nut protect
Hold constant, then clamp nut, stop washer, elastic washer and clamp nut i.e. form the entirety of a fastening on bolt,
And frictional force is the biggest between the screw thread of this entirety and bolt, thus serve more lasting anti-loosing effect.The present invention grasps
Making simple, reusable, anti-loosing effect is good.
(4) accompanying drawing explanation
The present invention is further illustrated below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation that the present invention uses state.
Fig. 2 is the schematic appearance of clamp nut of the present invention.
Fig. 3 is the schematic appearance of stop washer of the present invention.
Fig. 4 is the schematic appearance of clamp nut of the present invention.
In figure, 1 clamp nut, 2 stop washers, 3 spring washers, 4 clamp nuts, 5 limited impressions, 6 anti-slop serrations, 7
Stop ear, 8 retaining ears, 9 bolts, 10 workpiece.
(5) detailed description of the invention
A kind of Combined locknut, including clamp nut 1, stop washer 2, spring washer 3 and clamp nut 4.Fastening
The lower surface of nut 1, with flange portion, the cylindrical side of flange portion has corresponding with the stop ear 7 of stop washer 2
Limited impression 5.Two radial direction square evagination reverse side the most each other folding an angle of 90 degrees on stop washer 2 cylindrical are only formed
Dynamic ear 7 and retaining ear 8.Uniformly continuous is carved with in one week with flange portion, the cylindrical side of flange portion in the upper surface of clamp nut 4
Zigzag anti-slop serrations 6, the trend of anti-slop serrations 6 is in opposite direction with screwing of clamp nut 4.The external diameter of spring washer 3 is less than
The external diameter of stop washer 2, so that the external diameter that the retaining ear 8 of stop washer 2 can cross spring washer 3 inserts clamp nut 4
Anti-slop serrations 6 teeth groove in, spring washer 3 and stop washer 2 are all made up of the metal material that elasticity is strong.
First outwards tighten and make the lower surface of clamp nut 1 with the workpiece 10 on 1 bolt 9 of clamp nut during use, then depend on
Secondary stop washer 2 and spring washer 3 are inserted in bolt 9 limit making the stop ear 7 of stop washer 2 embed clamp nut 1
In the groove 5 of position, then precession clamp nut 4 make its upper surface inwards, when the anti-slop serrations 6 of clamp nut 4 is close to stop
Suitably lever up the retaining ear 8 of stop washer 2 during the retaining ear 8 of packing ring 2 to allow clamp nut 4 continue precession, discharge stop
Then it can be continuous from the anti-slop serrations 6 of clamp nut 4 with the precession of clamp nut 4 under natural resiliency for the retaining ear 8 of packing ring 2
On slip over, after clamp nut 4 is suitably screwed, the retaining ear 8 of stop washer 2 will be inserted in the anti-slop serrations 6 of clamp nut 4
Teeth groove in prevent clamp nut 4 from turning round, therefore clamp nut 1 after tightening, stop washer 2, spring washer 3 and compress
It is the biggest that nut 4 constitutes the frictional force between the entirety of a fastening, and this entirety and bolt 9 screw thread, serves more
Lasting anti-loosing effect.
During dismounting, first the retaining ear 8 of stop washer 2 prized from the teeth groove of the anti-slop serrations 6 of clamp nut 4 and revolve simultaneously
Go out clamp nut 4, further take out spring washer 3, stop washer 2, screw out clamp nut 1.
Claims (4)
1. a Combined locknut, including clamp nut (1), stop washer (2), spring washer (3) and clamp nut (4),
Its feature is: the upper limited location groove (5) of clamp nut (1), and stop washer (2) has stop ear (7) and retaining
Ear (8), clamp nut (4) has anti-slop serrations (6).
Combined locknut the most according to claim 1, it is characterised in that: the lower surface of described clamp nut (1) with
Flange portion, the cylindrical side of flange portion has the limited impression (5) corresponding with the stop ear (7) of stop washer (2).
Combined locknut the most according to claim 1, it is characterised in that: the stop ear (7) of described stop washer (2)
It is by two radial direction square evagination reverse side the most each other foldings 90 on stop washer (2) cylindrical with retaining ear (8)
Degree angle forms.
Combined locknut the most according to claim 1, it is characterised in that: the upper surface of described clamp nut (4) with
Flange portion, the cylindrical side of flange portion is carved with the zigzag anti-slop serrations (6) of uniformly continuous, the trend of anti-slop serrations (6) for one week
In opposite direction with screwing of clamp nut (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410718061.1A CN105889279A (en) | 2014-11-30 | 2014-11-30 | Combined locknut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410718061.1A CN105889279A (en) | 2014-11-30 | 2014-11-30 | Combined locknut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105889279A true CN105889279A (en) | 2016-08-24 |
Family
ID=56699126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410718061.1A Pending CN105889279A (en) | 2014-11-30 | 2014-11-30 | Combined locknut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105889279A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106931023A (en) * | 2017-04-13 | 2017-07-07 | 王大俊 | Subassembly of lock bolt |
| CN108019414A (en) * | 2017-11-30 | 2018-05-11 | 中国航空工业集团公司沈阳飞机设计研究所 | A kind of anti-loose fastener |
| CN109114092A (en) * | 2018-10-22 | 2019-01-01 | 鲁东大学 | A kind of Anti-loosen stop nut |
| CN109372881A (en) * | 2018-12-20 | 2019-02-22 | 浙江安盛汽车零部件有限公司 | A kind of retaining flange nut |
| CN109595246A (en) * | 2019-02-12 | 2019-04-09 | 庄国跃 | Pairs of anti-loose nut with ratchet elastic washer moves device |
| CN110454487A (en) * | 2019-08-30 | 2019-11-15 | 江苏核电有限公司 | A kind of screw thread multi-locking locking device and its locking method |
| CN114893437A (en) * | 2022-04-29 | 2022-08-12 | 沈阳鼓风机集团石化泵有限公司 | Bolt locking and anti-loosening method for impeller of circulating hot water pump |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003029668A1 (en) * | 2001-09-28 | 2003-04-10 | Yao Zhao | A fastening apparatus and a special tool thereof |
| CN101776117A (en) * | 2010-03-18 | 2010-07-14 | 太原重工股份有限公司 | Anti-loosening method for connection between round nut and bolt |
| CN202012678U (en) * | 2011-01-04 | 2011-10-19 | 江绍成 | Anti-loosening fluid pipeline screw thread movable joint |
| CN102278355A (en) * | 2010-06-08 | 2011-12-14 | 肖长忠 | Novel bolt and nut locking structure |
| CN202118079U (en) * | 2011-05-26 | 2012-01-18 | 西华大学 | Anti-loosening structure for thread connection |
| CN202215564U (en) * | 2011-08-30 | 2012-05-09 | 王大俊 | Claw type locking bolt kit |
| CN102996605A (en) * | 2012-11-23 | 2013-03-27 | 徐州海伦农业科技有限公司 | Spring washer |
| CN204284165U (en) * | 2014-11-30 | 2015-04-22 | 仇海侠 | A kind of Combined locknut |
-
2014
- 2014-11-30 CN CN201410718061.1A patent/CN105889279A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003029668A1 (en) * | 2001-09-28 | 2003-04-10 | Yao Zhao | A fastening apparatus and a special tool thereof |
| CN101776117A (en) * | 2010-03-18 | 2010-07-14 | 太原重工股份有限公司 | Anti-loosening method for connection between round nut and bolt |
| CN102278355A (en) * | 2010-06-08 | 2011-12-14 | 肖长忠 | Novel bolt and nut locking structure |
| CN202012678U (en) * | 2011-01-04 | 2011-10-19 | 江绍成 | Anti-loosening fluid pipeline screw thread movable joint |
| CN202118079U (en) * | 2011-05-26 | 2012-01-18 | 西华大学 | Anti-loosening structure for thread connection |
| CN202215564U (en) * | 2011-08-30 | 2012-05-09 | 王大俊 | Claw type locking bolt kit |
| CN102996605A (en) * | 2012-11-23 | 2013-03-27 | 徐州海伦农业科技有限公司 | Spring washer |
| CN204284165U (en) * | 2014-11-30 | 2015-04-22 | 仇海侠 | A kind of Combined locknut |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106931023A (en) * | 2017-04-13 | 2017-07-07 | 王大俊 | Subassembly of lock bolt |
| CN108019414A (en) * | 2017-11-30 | 2018-05-11 | 中国航空工业集团公司沈阳飞机设计研究所 | A kind of anti-loose fastener |
| CN109114092A (en) * | 2018-10-22 | 2019-01-01 | 鲁东大学 | A kind of Anti-loosen stop nut |
| CN109372881A (en) * | 2018-12-20 | 2019-02-22 | 浙江安盛汽车零部件有限公司 | A kind of retaining flange nut |
| CN109595246A (en) * | 2019-02-12 | 2019-04-09 | 庄国跃 | Pairs of anti-loose nut with ratchet elastic washer moves device |
| CN110454487A (en) * | 2019-08-30 | 2019-11-15 | 江苏核电有限公司 | A kind of screw thread multi-locking locking device and its locking method |
| CN114893437A (en) * | 2022-04-29 | 2022-08-12 | 沈阳鼓风机集团石化泵有限公司 | Bolt locking and anti-loosening method for impeller of circulating hot water pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160824 |
|
| WD01 | Invention patent application deemed withdrawn after publication |