CN110206808A - The locking means and its lock washer of bolts and nuts - Google Patents
The locking means and its lock washer of bolts and nuts Download PDFInfo
- Publication number
- CN110206808A CN110206808A CN201910559292.5A CN201910559292A CN110206808A CN 110206808 A CN110206808 A CN 110206808A CN 201910559292 A CN201910559292 A CN 201910559292A CN 110206808 A CN110206808 A CN 110206808A
- Authority
- CN
- China
- Prior art keywords
- bolt
- nut
- washer
- section
- rubber 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.)
- Withdrawn
Links
- 229920001971 elastomer Polymers 0.000 claims abstract description 41
- 208000004141 microcephaly Diseases 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 15
- 239000000463 material Substances 0.000 description 3
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229920002379 silicone rubber Polymers 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
-
- 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
- F16B39/26—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 with spring washers fastened to the nut or bolt-head
-
- 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
- F16B43/00—Washers or equivalent devices; Other devices for supporting bolt-heads or nuts
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bolts, Nuts, And Washers (AREA)
Abstract
The invention discloses a kind of locking means of bolts and nuts and its lock washers, it is characterized by: around the outer silk (9) of bolt between main nut (4) and auxiliary nut (5), equipped with rubber washer (8), tighten the auxiliary nut (5), squeeze the rubber washer (8), fill the main nut (4), the auxiliary nut (5), the bolt (1), and gap (13) of the rubber washer (8) between this, the rubber washer (8) be squeezed after it is huge return play expansive force extruding, increase frictional force between this, and flexible fastening is integral, making auxiliary nut (5) is not in retreat relaxation, locking bolt (1) and main nut (4), reach good anti-loosing effect.The lock washer (8) is " O " shape rubber washer with elastomeric flexible；The section of the lock washer (8) is one of two oval in T shape, round, oval, rectangles, circle+rectangle, ellipse+rectangle, the combination in T shape of two rectangles.
Description
Technical field
The present invention relates to a kind of fastener more particularly to the locking means and its lock washer of bolts and nuts.
Background technique
The friction of existing double nut is locking, be two identical rotation directions nut after tightening, then two nuts to twisting,
Make between two nuts generate to top power, thus make beneath nut not only with spring shim generate friction, but also with nut above
Friction is generated, double frictions achieve the effect that preload, and two nuts have the strength of a mutual extrusion, so that playing prevents from loosening
Effect, but between the two nuts and bolt there is no sufficiently large frictional force and make three binding be integrated, still go out sometimes
The phenomenon that showing two nuts to loosen respectively, or loosening simultaneously, since the prior art is only limited to prevent more small and weak loosening, strong
For a long time under vibration operating condition, two nuts can rotation slowly, there is retreat relaxation, good anti-loosing effect be not achieved.
Summary of the invention
It is an object of the invention to overcome it is above in the prior art the shortcomings that, a kind of spiral shell with fine anti-loosing effect is provided
The locking means and its lock washer of bolt and nut.
The present invention is achieved by the following technical solutions:
The present invention includes bolt, main nut, auxiliary nut, spring washer, and bolt passes through two by after the screw hole of fastener, incites somebody to action
Main nut internal thread is spun on the outer silk of bolt, is pre-tightened by spring washer by after fastener, then stubborn to top with auxiliary nut and main nut
Tightly, it is characterised in that: outside the bolt between main nut and auxiliary nut around silk, be equipped with rubber washer.
The working principle of the locking means of bolts and nuts of the present invention is: in existing pairs of anti-loose nut or double nut
It is further improved on the basis of anti-loose structure, outside the bolt between main nut and auxiliary nut around silk, puts on rubber washer, when
The main nut is spun on the outer silk of bolt, pre-tightens two by after fastener by spring pad, then with the auxiliary nut driving compression
The rubber washer, rubber washer described in squeeze pack in be in contact the bolt, the main nut, the auxiliary nut, with
And the gap between rubber washer, the huge extruding for returning bullet expansive force after being extruded because of the rubber washer make four
Between frictional force increase, and flexible fastening is integral, at this point, the outer silk of the main nut, the auxiliary nut and the bolt
Between, there is the extruding force of interaction always by the rubber washer, is transmitted on the contact surface for screwing screw thread, makes four
Between due to auxiliary nut twist it is tighter, the pressure screwed between the contact surface of screw thread is bigger, and contact pressure is bigger, and friction moment is just
Bigger, any one in four will rotate, and require to overcome the frictional force screwed between screw thread, and this is huge between this
Extruding force also always exists, will not be because of the spring washer, the bolt and the vibration by pretightning force between fastener
Variation, and auxiliary nut is made retreat relaxation occur, so that locking bolt and nut, reach good anti-loosing effect, structure letter
It is single, it is practical.
The present invention can first dismantle auxiliary nut, remove lock washer, then revolve and tear main nut open, remove spring washer, plain washer, take out
The screw rod of bolt out.The present invention being dismounted for multiple times, Reusability.
The present invention also provides a kind of lock washers, it is characterised in that: using the bolt axle as symmetry axis, internal diameter be equal to or
It is less than or slightly larger than the diameter of bolt, outer diameter is less than or equal to the overall diameter of the auxiliary nut；Section is two oval in T shape, circles
Shape or one of the combination in T shape of ellipse or rectangle or circle+rectangle or ellipse+rectangle or two rectangles, material are
" O " shape rubber washer with elastomeric flexible.
Detailed description of the invention
Fig. 1 is one of locking device structure figure and its lock washer cross-section diagram of plain bolt and nut of the present invention.
Fig. 2 is two of lock washer cross-section diagram in Fig. 1.
Fig. 3 is three of lock washer cross-section diagram in Fig. 1.
Fig. 4 is four of lock washer cross-section diagram in Fig. 1.
Fig. 5 is five of lock washer cross-section diagram in Fig. 1.
Fig. 6 is six of lock washer cross-section diagram in Fig. 1.
Fig. 7 is seven of lock washer cross-section diagram in Fig. 1.
Fig. 8 is one of locking device structure figure and its lock washer cross-section diagram of vibrationproof bolts and nuts of the present invention.
In figure:
1, bolt 2, spring washer
3, plain washer 4, main nut
5, auxiliary nut 6, by fastener first
7, by fastener second
8, lock washer or locking rubber pad or rubber washer or extruded gasket.
9, bolt outer silk 10, bolt head
11, main nut internal thread 12, auxiliary nut internal thread
13, the gap between main nut, auxiliary nut, bolt and rubber washer
14, screw hole 15, screw rod
16, the vibrationproof bolt of frustum forming head
Specific embodiment
In Fig. 1, the present invention includes bolt 1, main nut 4, auxiliary nut 5, spring washer 2, plain washer 3, and bolt 1 passes through tight
Firmware first 6, the screw hole 14 by fastener second 7, main nut internal thread 11 is spun on outside bolt on silk 9, spring washer 2, plain cushion are passed through
Circle 3 is pre-tightened by fastener first 6 and by after fastener second 7, then is screwed with the auxiliary nut 5 and compressed the rubber washer 8, and described
The bolt 1, main nut 4 and the auxiliary nut 5 that rubber washer 8 is in contact, huge after being extruded because of the rubber washer 8 return bullet
The extruding of expansive force, and keep four flexible fastenings integral, at this point, the outer silk 9 of the main nut 4, auxiliary nut 5 and bolt it
Between, the inner edge for the rubber washer 8 being deformed is filled with gap 13, exists always by the rubber washer 8 and interacts
Extruding force, be transmitted to main nut 4 and auxiliary nut 5 engage on the contact surface of screw thread with the spiral of bolt 1, and be in main nut
4, on the contact surface of auxiliary nut 5, bolt 1, the outer silk 9 of bolt in the gap 13 between lock washer 8, make between four due to auxiliary
Nut 5 is twisted tighter, and the pressure screwed between the contact surface of screw thread is bigger, and contact pressure is bigger, and friction moment is bigger, main spiral shell
Any one in this of mother 4, auxiliary nut 5, bolt 1 and lock washer 8 will rotate, and require to overcome and screw between screw thread
Frictional force, and this huge extruding force also always exists between four, will not be because of the spring washer 2, bolt 1, tight
Firmware first 6 is changed by the vibration of the pretightning force between fastener second 7, and auxiliary nut 5 is made retreat relaxation occur.Even if
Under strength shakes, main nut 4 is also slight elastic helix vibration, can be set back again quickly；And auxiliary nut 5 compares main nut
The squeeze friction between rubber washer 8 and the outer silk 9 of bolt being increased 4, test proves: regardless of 1 elastic helix of bolt more
Transverse vibration or axial vibrations, auxiliary nut 5 keep relatively fixed with bolt 1 always, are not in retreat relaxation, from
And locking bolt 1 and main nut 4, achieve the purpose that good anti-loosing effect.
The material of above-mentioned rubber washer or lock washer or locking rubber pad or extruded gasket is preferably water-fast,
Pressure resistance, heatproof, oil resistant, corrosion resistant, the big softer, elastic rubber of the low coefficient of friction of gas permeability is made, such as nitrile rubber, fluorine
Rubber, silicon rubber etc..The present invention includes the lock washer of all rubber material matter with softer, elastic, is connect for squeezing screw
Contacting surface, increasing friction force, here a just different citing.
Rubber washer 8 in Fig. 1, is O shape rubber washer, and cross-section diagram is two oval T-shaped combinations.
Fig. 2 is lock washer 8 in Fig. 1, is O shape rubber washer, and cross-section diagram is circular.
Fig. 3 is lock washer 8 in Fig. 1, is O shape rubber washer, and cross-section diagram is oval.
Fig. 4 is lock washer 8 in Fig. 1, is O shape rubber washer, and cross-section diagram is rectangle.
Fig. 5 is lock washer 8 in Fig. 1, is O shape rubber washer, and cross-section diagram is circle+rectangle.
Fig. 6 is lock washer 8 in Fig. 1, is O shape rubber washer, and cross-section diagram is ellipse+rectangle.
Fig. 7 is lock washer 8 in Fig. 1, is O shape rubber washer, and cross-section diagram is the combination in T shape of two rectangles.
Fig. 8 is the vibrationproof bolt 16 of frustum forming head of the present invention, it is characterised in that: screw hole is inverted interior truncated cone-shaped
, the taper of the hole wall of interior truncated cone-shaped and the bolt the taper with truncated cone-shaped bolt wedge side and direction it is identical, and bolt
Reverse frustoconic bolt wedge is vertical with bolt axle, section is that circular, major part cross section in an end of bolt is equipped with interior six
Corner bolt head；The reverse frustoconic bolt wedge of bolt, the microcephaly section vertical with bolt axle are the one being connected with coaxial stud,
The stud be it is cylindrical, surrounding side be equipped with left-hand screw or right-hand screw screw thread screw thread, the stud it is vertical with bolt axle
Cross section be it is circular, the diameter of the stud, than the reverse frustoconic bolt wedge microcephaly cross section diameter and fall
The minimum diameter of truncated cone-shaped hole cross section will be small a kind of check bolt, other structures and working principle are identical with Fig. 1.
O-shaped rubber ring 8 of the present invention does not act on sealing ring use here, but uses as extruded gasket increasing friction force.
The above, only the preferred embodiment of the present invention are not construed as limitation of the present invention, protection of the invention
Range should be defined by the scope defined by the claims..For those skilled in the art, it is not departing from
In the spirit and scope of the present invention, several improvement, modification and equivalent replacement can also be made, these improve, modify and equally replace
It changes and also should be regarded as protection scope of the present invention.
Claims (4)
1. the locking means of bolts and nuts, including bolt (1), main nut (4), auxiliary nut (5), spring washer (2), bolt
(1) screw rod (15) is passed through by fastener first (6) and by after the screw hole (14) of fastener second (7), and main nut internal thread (11) are revolved
It outside bolt on silk (9), is pre-tightened by spring washer (2) by fastener first (6) and by after fastener second (7), then with auxiliary nut
(5) top is tightened with main nut (4), it is characterised in that: outside the bolt between the main nut (4) and the auxiliary nut (5)
It around silk (9), is equipped with rubber washer (8), tightens the auxiliary nut (5), squeeze the rubber washer (8), fill the main spiral shell
Gap (13) between female (4), the auxiliary nut (5), the bolt (1) and rubber washer (8) four, the rubber pad
The huge extruding for returning bullet expansive force after (8) are squeezed is enclosed, the frictional force between four is increased, and flexible fastening is integral, and
Huge extruding force always exists between this, will not because of the spring washer (2), the bolt (1), described fastened
Part first (6), the vibration by pretightning force between fastener second (7) change, and auxiliary nut (5) is made retreat relaxation occur,
To locking bolt (1) and main nut (4).
2. realizing the lock washer in the locking means of bolts and nuts described in claim 1, it is characterised in that: with the bolt
Axis is symmetry axis, and internal diameter is equal to or is less than or be greater than the diameter of bolt (1), and outer diameter is less than or is equal to the nut (5) outside directly
" O " shape rubber washer with elastomeric flexible of diameter.
3. realizing the lock washer in the locking means of bolts and nuts described in claim 2, it is characterised in that: section is two ellipse
In T shape, the round or oval or rectangle of circle or circle+rectangle or ellipse+rectangle or two rectangles group in T shape
One of close.
4. realizing the locking means of the bolts and nuts of claim 1,2,3, it is characterised in that: the screw hole of the bolt 1 is
Inverted interior truncated cone-shaped, the taper of the hole wall of interior truncated cone-shaped and the bolt the taper with truncated cone-shaped bolt wedge side and side
To identical, and the reverse frustoconic bolt wedge of bolt is vertical with bolt axle, section is circular, major part cross section the one of bolt
End is equipped with bolt head；The reverse frustoconic bolt wedge of bolt, the microcephaly section vertical with bolt axle are to be connected with coaxial stud
One, the stud be it is cylindrical, surrounding side be equipped with left-hand screw or right-hand screw screw thread screw thread, the stud and bolt axle
Vertical cross section be it is circular, the diameter of the stud than the microcephaly cross section of the reverse frustoconic bolt wedge diameter, with
And the minimum diameter of reverse frustoconic hole cross section will be small.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910559292.5A CN110206808A (en) | 2019-06-21 | 2019-06-21 | The locking means and its lock washer of bolts and nuts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910559292.5A CN110206808A (en) | 2019-06-21 | 2019-06-21 | The locking means and its lock washer of bolts and nuts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110206808A true CN110206808A (en) | 2019-09-06 |
Family
ID=67794576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910559292.5A Withdrawn CN110206808A (en) | 2019-06-21 | 2019-06-21 | The locking means and its lock washer of bolts and nuts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110206808A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111102282A (en) * | 2020-01-05 | 2020-05-05 | 杨富云 | Locking device of bolt and nut fastened piece and anti-loose washer thereof |
| CN114412908A (en) * | 2022-03-01 | 2022-04-29 | 李国强 | Interlocking type anti-loosening fastening assembly |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2200720Y (en) * | 1994-05-10 | 1995-06-14 | 韦林 | Double-locking anti-loose combined nut |
| CN204591947U (en) * | 2015-05-14 | 2015-08-26 | 泉州市神舟车辆机械配件制造有限公司 | The anti-loosening lug nut of a kind of novel anti-breaking bar |
| CN105387056A (en) * | 2015-12-02 | 2016-03-09 | 广西大学 | Device for preventing nut looseness |
| US20160160904A1 (en) * | 2014-12-09 | 2016-06-09 | Samson Co., Ltd. | Anti-loosening bolt assembly |
| US20180231048A1 (en) * | 2015-10-20 | 2018-08-16 | Guangzhou Shinedason Manufacture Co., Ltd. | Threaded-connection anti-loosening locking device |
| CN207921093U (en) * | 2018-01-30 | 2018-09-28 | 天津市海斯特电机有限公司 | A kind of bolt and nut anti-loose structure |
| CN108730312A (en) * | 2018-07-26 | 2018-11-02 | 何长青 | A kind of Anti-loosening nut |
| CN108869509A (en) * | 2018-09-03 | 2018-11-23 | 杨富云 | A kind of fastener locking method and its vibrationproof bolt |
| CN109185312A (en) * | 2018-11-20 | 2019-01-11 | 韦志锋 | A kind of the check bolt group and its operating method of stop washer and annular groove nut composition |
-
2019
- 2019-06-21 CN CN201910559292.5A patent/CN110206808A/en not_active Withdrawn
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2200720Y (en) * | 1994-05-10 | 1995-06-14 | 韦林 | Double-locking anti-loose combined nut |
| US20160160904A1 (en) * | 2014-12-09 | 2016-06-09 | Samson Co., Ltd. | Anti-loosening bolt assembly |
| CN204591947U (en) * | 2015-05-14 | 2015-08-26 | 泉州市神舟车辆机械配件制造有限公司 | The anti-loosening lug nut of a kind of novel anti-breaking bar |
| US20180231048A1 (en) * | 2015-10-20 | 2018-08-16 | Guangzhou Shinedason Manufacture Co., Ltd. | Threaded-connection anti-loosening locking device |
| CN105387056A (en) * | 2015-12-02 | 2016-03-09 | 广西大学 | Device for preventing nut looseness |
| CN207921093U (en) * | 2018-01-30 | 2018-09-28 | 天津市海斯特电机有限公司 | A kind of bolt and nut anti-loose structure |
| CN108730312A (en) * | 2018-07-26 | 2018-11-02 | 何长青 | A kind of Anti-loosening nut |
| CN108869509A (en) * | 2018-09-03 | 2018-11-23 | 杨富云 | A kind of fastener locking method and its vibrationproof bolt |
| CN109185312A (en) * | 2018-11-20 | 2019-01-11 | 韦志锋 | A kind of the check bolt group and its operating method of stop washer and annular groove nut composition |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111102282A (en) * | 2020-01-05 | 2020-05-05 | 杨富云 | Locking device of bolt and nut fastened piece and anti-loose washer thereof |
| CN114412908A (en) * | 2022-03-01 | 2022-04-29 | 李国强 | Interlocking type anti-loosening fastening assembly |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190906 |