CN104295591B - A kind of screwed retaining ring - Google Patents
A kind of screwed retaining ring Download PDFInfo
- Publication number
- CN104295591B CN104295591B CN201410421737.0A CN201410421737A CN104295591B CN 104295591 B CN104295591 B CN 104295591B CN 201410421737 A CN201410421737 A CN 201410421737A CN 104295591 B CN104295591 B CN 104295591B
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- CN
- China
- Prior art keywords
- mentioned
- nut
- face
- washer
- plain washer
- 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.)
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Links
- 238000009434 installation Methods 0.000 claims abstract description 24
- 230000001788 irregular Effects 0.000 abstract description 7
- 230000006835 compression Effects 0.000 abstract description 3
- 238000007906 compression Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 239000004568 cement Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 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
- 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 present invention discloses a kind of screwed retaining ring, comprise nut and driving washer, also comprise securing means, this securing means comprises elastic plain washer and bearing, the upper end end face of driving washer is arranged with installation cavity room, elastic plain washer is flush-mounted in installation cavity indoor, and the upper end end face of elastic plain washer is affixed with the axial first end end face of nut and coordinates, bearing is affixed with the bottom surface of elastic plain washer and is fixedly connected with, bearing is the ball bearing in it with ball, the partial portion of ball protrudes outside the axially second end end face of ball bearing, axis the second end end face installing the bottom surface of chamber and the protruding parts of ball and ball bearing is that concavo-convex sphere fits tightly.A kind of screwed retaining ring of the present invention, during assembling, elastic plain washer can be compacted, the compression of elastic plain washer has a pretightening force to nut, nut can not be rotated when being subject to sharp pounding and irregular brute force fluctuation, thus make nut can not occur to loosen and come off, there is the effect with screw rod automatic positoning.
Description
Technical field
The present invention relates to a kind of assembly parts of bolt assembly, particularly a kind of nut of bolt assembly.
Background technique
At present, the known dismounting for the ease of institute's securing objects, the screw diameter generally 4 ~ 6mm less of institute's securing objects diameter of bolt hole of institute's securing objects bolt assemblies.But, due to the factor of this diameter difference, the object after installation is made easily to cause bolt hole center's line and pitch line can not be on the same axis, cause nut can produce great shearing force to bolt assemblies when being subject to sharp pounding and irregular brute force fluctuation, thus cause screw rod to fracture, shorten the working life of bolt assembly, also can cause nut that the problem loosening and come off occurs.
In view of the above problems, there is a kind of modular nut in existing market, it comprises nut and driving washer, axial one end of driving washer and axial one end pivot bush unit of nut also rivet together, and driving washer can rotate relatively with nut, the axial the other end of driving washer is extended hollow cylinder.This kind of modular nut, during assembling, the hollow cylinder of driving washer is inserted in the gap that place is deposited between the bolt hole and the screw rod of bolt assembly of object to be tightened, like this, gap between screw rod and bolt hole becomes very little, the shearing force that securing objects is produced the bolt assembly of securing objects when being subject to sharp pounding and irregular brute force fluctuation is less, avoids the breakage phenomenon of bolt assembly screw rod, thus extends the working life of bolt assembly; But easily there is the problem loosening and come off when being subject to sharp pounding and irregular brute force fluctuation in this modular nut unresolved nut.
In view of this, the present inventor furthers investigate the problem existing for modular nut, is then produced by this case.
Summary of the invention
The object of this invention is to provide a kind of screwed retaining ring, to solve the problem that nut in prior art easily occurs when fluctuating by sharp pounding and irregular brute force to loosen and come off.
Technological scheme of the present invention is such: a kind of screwed retaining ring, comprise nut and driving washer, the axial first end pivot bush unit of driving washer is outer and rivet together in the axial first end of nut, and driving washer can rotate relatively with nut, the second end is extended hollow cylinder for the axis of driving washer, also comprise securing means, above-mentioned securing means comprises elastic plain washer and bearing, be upper with the axial first end of driving washer, under axis second end of driving washer is, the upper end end face of above-mentioned driving washer is arranged with installation cavity room, it is indoor that above-mentioned elastic plain washer is flush-mounted in above-mentioned installation cavity, and the upper end end face of above-mentioned elastic plain washer protrudes outside the accent of above-mentioned installation chamber, be affixed with the axial first end end face of above-mentioned nut and coordinate, above-mentioned bearing keeps flat and is flush-mounted in above-mentioned installation cavity indoor, and above-mentioned bearing is the ball bearing in it with ball, the axial first end end face of above-mentioned ball bearing is closed form, and be fixedly connected with the bottom surface of above-mentioned elastic plain washer is smooth, the bottom of above-mentioned ball has the bump protruded outside the axially second end end face of above-mentioned ball bearing, and the axis second end end face of the bottom surface of above-mentioned installation chamber and above-mentioned bump and above-mentioned ball bearing is that concavo-convex sphere fits tightly.
The bottom surface of above-mentioned installation chamber is to recessed arc-shaped concave, and the position that the protruding parts of above-mentioned ball contacts with above-mentioned arc-shaped concave is suitable, the axis second end end face of above-mentioned ball bearing is suitable with above-mentioned arc-shaped concave, and is the arc convex convex downwards of from top to bottom convergent.
Above-mentioned elastic plain washer is rubbery flat gasket circle.
Above-mentioned elastic plain washer is belleville spring plain washer.
The end face outer, upper end of above-mentioned driving washer upwards extends and is provided with closed-loop shaped riveted post, the axial first end end face of above-mentioned nut stretches in above-mentioned closed-loop shaped riveted post, and the axial first end end face outer side wall of above-mentioned nut is convexly equipped with is affixed with above-mentioned closed-loop shaped riveted post the riveted projection coordinated, the height of above-mentioned closed-loop shaped riveted post is greater than the height of above-mentioned riveted projection.
After adopting technique scheme, a kind of screwed retaining ring of the present invention, first nut is locked outside screw rod together with driving washer during assembling, the hollow cylinder of driving washer is inserted in the gap that place is deposited between the bolt hole and the screw rod of bolt assembly of object to be tightened, fastening nut again, along with the fastening nut of nut can move to driving washer direction, nut applies pressure to elastic plain washer, elastic plain washer is compacted, the compression of this elastic plain washer can make together with the axially second end end face of the protruding parts of ball and ball bearing fits tightly mutually with the chamber of installation chamber on the one hand, to nut, there is a pretightening force on the other hand, the pretightening force release of nut this elastic plain washer when being subject to sharp pounding and irregular brute force fluctuation makes nut rotate, thus make nut can not occur to loosen and come off, extend the service time of nut, simultaneously, the protruding parts of ball and the axially second end end face of ball bearing are concavo-convex closely cooperating with the bottom surface of installation chamber, this male-female engagement mask has automatic positoning effect, can remain on same shaft axis, improve the degree of fiting of nut and screw rod after making nut screwing clamping with screw rod.
Accompanying drawing explanation
Fig. 1 is sectional view of the present invention.
In figure:
Nut 1 riveted projection 11
Driving washer 2 hollow cylinder 21
Closed-loop shaped riveted post 22 elastic plain washer 31
Bearing 32 ball 321
Embodiment
A kind of screwed retaining ring of the present invention, as shown in Figure 1, comprise nut 1 and driving washer 2, the axial first end pivot bush unit of driving washer 2 is outer and rivet together in the axial first end of nut 1, and driving washer 2 can rotate relatively with nut 1, second end is extended hollow cylinder 21 for the axis of driving washer 2.
Innovation of the present invention is: the end face outer, upper end of this driving washer 2 upwards extends and is provided with closed-loop shaped riveted post 22, the axial first end end face of nut 1 stretches in closed-loop shaped riveted post 22, and the axial first end end face outer side wall of nut 1 is convexly equipped with is affixed with closed-loop shaped riveted post 22 the riveted projection 11 coordinated, the height of closed-loop shaped riveted post 22 is greater than the height of riveted projection 11; During riveting dress, first the riveted projection 11 of nut 1 is stretched in closed-loop shaped riveted post 22, again closed-loop shaped riveted post 22 is exceeded the part beyond riveted projection 11 bend to the axle center place of driving washer 2 and be fitted in riveted on the upper surface of riveted projection 11, like this, nut 1 can be realized be socketed with driving washer 2 securely and rivet together.
This screwed retaining ring also comprises securing means, this securing means comprises elastic plain washer 31 and bearing 32, the axial first end be connected with nut 1 with driving washer 2 is upper, under axis the second end that driving washer 2 has a hollow cylinder 21 is, the position of upper end end face between closed-loop shaped riveted post 22 and driving washer 2 madial wall of driving washer 2 is arranged with installation chamber, elastic plain washer 31 is flush-mounted in installation cavity indoor, and the upper end of elastic plain washer 31 is protruded outside the accent of installation chamber, the upper end end face of elastic plain washer 31 is affixed with the lower end surface of nut 1 and coordinates, this elastic plain washer 31 is rubber washer, this bearing 32 keeps flat and is flush-mounted in installation cavity indoor, and bearing 32 is the ball bearing in it with ball 321, the axial first end end face (i.e. upper end end face) of ball bearing is in closed form, and with the bottom surface of elastic plain washer 31 is smooth cement in together with, the axis second end end face (i.e. lower end surface) of ball bearing has for the exposed ball hole of ball, the bottom of ball 321 has the bump outside the ball hole protruding the axial second end end face of ball bearing, and axis the second end end face installing the bottom surface of chamber and the bump of ball 321 and ball bearing is that concavo-convex sphere fits tightly, particularly: the bottom surface of this installation chamber is to recessed arc-shaped concave, and arc-shaped concave is positioned at the radian of the protruding parts of ball 321 suitable, the axis second end end face of ball bearing is the arc convex convex downwards of from top to bottom convergent, the radian that this arc convex contacts with arc-shaped concave is suitable.
A kind of screwed retaining ring of the present invention, first nut 1 is locked outside screw rod together with driving washer 2 during assembling, the hollow cylinder 21 of driving washer 2 is inserted in the gap that place is deposited between the bolt hole and the screw rod of bolt assembly of object to be tightened, fastening nut 1 again, along with tightening of nut 1, nut 1 can move to driving washer 2 direction, nut 1 pair of elastic plain washer 31 applies pressure, elastic plain washer 31 is compacted, the compression of this elastic plain washer 31 can promote bearing 32 on the one hand, make together with the axially second end end face of the protruding parts of ball 321 and ball bearing fits tightly mutually with the bottom surface of installation chamber, to nut 1 and driving washer 2, all there is a pretightening force on the other hand, the pretightening force release restriction nut 1 of nut 1 this elastic plain washer 31 when being subject to sharp pounding and irregular brute force fluctuation, nut 1 can not be rotated, thus make nut 1 can not occur to loosen and come off, extend the service time of nut, simultaneously, together with the fitting tightly mutually of the protruding parts of ball 321 and the axially second end end face of ball bearing and the bottom surface of installation chamber, the bottom surface of namely installing chamber is that circular arc coordinates with ball 321 and ball bearing, there is automatic positoning effect, can can remain on same shaft axis with screw rod after making nut screwing clamping, improve the degree of fiting of nut and screw rod, separately, the inner side surface of elastic plain washer 31 does not contact with the outer side wall of Luo Cun, and when nut 1 is rotated, elastic plain washer 31 can not be stuck.
In the present invention, this elastic plain washer 31 is belleville spring plain washer.
Above-described embodiment and graphic and non-limiting product form of the present invention and style, any person of an ordinary skill in the technical field, to its suitable change done or modification, all should be considered as not departing from patent category of the present invention.
Claims (5)
1. a screwed retaining ring, comprise nut and driving washer, the axial first end pivot bush unit of driving washer is outer and rivet together in the axial first end of nut, and driving washer can rotate relatively with nut, and the axially second end extension of driving washer is provided with hollow cylinder, it is characterized in that: also comprise securing means, above-mentioned securing means comprises elastic plain washer and bearing, be upper with the axial first end of driving washer, under axis second end of driving washer is, the upper end end face of above-mentioned driving washer is arranged with installation cavity room, it is indoor that above-mentioned elastic plain washer is flush-mounted in above-mentioned installation cavity, and the upper end end face of above-mentioned elastic plain washer protrudes outside the accent of above-mentioned installation chamber, be affixed with the axial first end end face of above-mentioned nut and coordinate, above-mentioned bearing keeps flat and is flush-mounted in above-mentioned installation cavity indoor, and above-mentioned bearing is the ball bearing in it with ball, the axial first end end face of above-mentioned ball bearing is closed form, and be fixedly connected with the bottom surface of above-mentioned elastic plain washer is smooth, the bottom of above-mentioned ball has the bump protruded outside the axially second end end face of above-mentioned ball bearing, and the axis second end end face of the bottom surface of above-mentioned installation chamber and above-mentioned bump and above-mentioned ball bearing is that concavo-convex sphere fits tightly.
2. a kind of screwed retaining ring according to claim 1, it is characterized in that: the bottom surface of above-mentioned installation chamber is to recessed arc-shaped concave, and the position that the protruding parts of above-mentioned ball contacts with above-mentioned arc-shaped concave is suitable, the axis second end end face of above-mentioned ball bearing is suitable with above-mentioned arc-shaped concave, and is the arc convex convex downwards of from top to bottom convergent.
3. a kind of screwed retaining ring according to claim 1, is characterized in that: above-mentioned elastic plain washer is rubbery flat gasket circle.
4. a kind of screwed retaining ring according to claim 1, is characterized in that: above-mentioned elastic plain washer is belleville spring plain washer.
5. a kind of screwed retaining ring according to claim 1, it is characterized in that: the end face outer, upper end of above-mentioned driving washer upwards extends and is provided with closed-loop shaped riveted post, the axial first end end face of above-mentioned nut stretches in above-mentioned closed-loop shaped riveted post, and the axial first end end face outer side wall of above-mentioned nut is convexly equipped with is affixed with above-mentioned closed-loop shaped riveted post the riveted projection coordinated, the height of above-mentioned closed-loop shaped riveted post is greater than the height of above-mentioned riveted projection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410421737.0A CN104295591B (en) | 2014-08-25 | 2014-08-25 | A kind of screwed retaining ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410421737.0A CN104295591B (en) | 2014-08-25 | 2014-08-25 | A kind of screwed retaining ring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104295591A CN104295591A (en) | 2015-01-21 |
| CN104295591B true CN104295591B (en) | 2016-03-02 |
Family
ID=52315460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410421737.0A Active CN104295591B (en) | 2014-08-25 | 2014-08-25 | A kind of screwed retaining ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104295591B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108317151A (en) * | 2018-02-11 | 2018-07-24 | 山东威达机械股份有限公司 | A kind of anti-self-tightening quick change nut |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1247590A (en) * | 1997-02-17 | 2000-03-15 | 动力工具霍德尔斯公司 | Locking mechanism for rotary working member |
| CN1254402A (en) * | 1998-01-30 | 2000-05-24 | 动力工具霍德尔斯公司 | Improved tool clamping device |
| CN201636174U (en) * | 2009-12-02 | 2010-11-17 | 杨聪辉 | Nut |
| JP2012159169A (en) * | 2011-02-02 | 2012-08-23 | Atsushi Imai | Fastening structure and washer unit used in the same |
| CN203114838U (en) * | 2013-03-04 | 2013-08-07 | 蒋满堂 | Hexagonal automobile nut |
| CN204127078U (en) * | 2014-08-25 | 2015-01-28 | 蒋福泽 | A kind of screwed retaining ring |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6749386B2 (en) * | 2001-08-20 | 2004-06-15 | Maclean-Fogg Company | Locking fastener assembly |
-
2014
- 2014-08-25 CN CN201410421737.0A patent/CN104295591B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1247590A (en) * | 1997-02-17 | 2000-03-15 | 动力工具霍德尔斯公司 | Locking mechanism for rotary working member |
| CN1254402A (en) * | 1998-01-30 | 2000-05-24 | 动力工具霍德尔斯公司 | Improved tool clamping device |
| CN201636174U (en) * | 2009-12-02 | 2010-11-17 | 杨聪辉 | Nut |
| JP2012159169A (en) * | 2011-02-02 | 2012-08-23 | Atsushi Imai | Fastening structure and washer unit used in the same |
| CN203114838U (en) * | 2013-03-04 | 2013-08-07 | 蒋满堂 | Hexagonal automobile nut |
| CN204127078U (en) * | 2014-08-25 | 2015-01-28 | 蒋福泽 | A kind of screwed retaining ring |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104295591A (en) | 2015-01-21 |
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| C14 | Grant of patent or utility model | ||
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