CN1114766C - Washer for locking of nut and locking structure of nut - Google Patents
Washer for locking of nut and locking structure of nut Download PDFInfo
- Publication number
- CN1114766C CN1114766C CN97182274A CN97182274A CN1114766C CN 1114766 C CN1114766 C CN 1114766C CN 97182274 A CN97182274 A CN 97182274A CN 97182274 A CN97182274 A CN 97182274A CN 1114766 C CN1114766 C CN 1114766C
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- CN
- China
- Prior art keywords
- nut
- inclination
- packing ring
- bolt
- 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.)
- Expired - Fee Related
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- Gasket Seals (AREA)
- Bolts, Nuts, And Washers (AREA)
Abstract
The present invention relates to a washer A. An inclined plane inclined toward one direction is formed at least one side below a washer body 2 provided with a bolt through hole 1 penetrating an axle center. When a nut B and a washer A are screwed with a bolt D and fastened on a fastened member C in defined torque, the lower side of the nut B is tightly appressed with the upper side of the washer A, and an inclined seat surface 3 is connected with the upper side of the fastened member C in a pressed mode. Thus, pressure toward the axle of the bolt and surface pressure corresponding to the fastened member C are simultaneously generated to effectively avoid the loose of the nut.
Description
Technical field
The present invention relates to the loosening packing ring that is prevented to the standard nut that uses together.
Background technique
At present, as preventing that nut from use producing loosening device, many structures of nut self having been thought various ways are arranged.For example, generally we know, on nut body, pack into metallic elastic plate and elastomers such as nylon sheet or spring, and it is as a whole that nut body is done.
But, because this structure is all processed the add-on parts of packing into through 2 times on nut body, so the trouble of making and cost raise, simultaneously, because of the elastomer of packing into originally from the screw-in bolt has added high moment of torsion, so fasten operation bothers very much, and in use anti-loosing effect is worsened because of elastomeric timeliness changes.
Therefore, in view of the foregoing, main purpose of the present invention is, make improvements by packing ring use simultaneously, thereby to provide a kind of packing ring that makes existing standard nut bring into play powerful anti-loosing effect with existing packing ring cost much at one.
Another free-revving engine of the present invention provides a kind of anti-loose structure that uses the nut of above-mentioned packing ring.
Disclosure of an invention
For achieving the above object, the present invention adopts following technological scheme.That is, of the present inventionly lockingly make following structure with packing ring: the one side at least that will have loop pads circle body 2 top and bottom of the bolt through hole 1 that connects the axle center forms the plane of inclination.
In packing ring of the present invention, the tilt angle alpha of the seat surface 3 of described packing ring is configured in the following angular range: when with nut B with packing ring A screws with bolt D together and fasten when being captive on the member C with the moment of torsion of regulation, nut B can be fixed into inclination attitude with compulsory form along the inclination seat surface 3 of packing ring A, and the pressure towards the bolt cutting direction produces simultaneously with the relative surface pressure that is captive member C, and promptly tilt angle alpha is the 1.0-3.0 degree.
The simple declaration of accompanying drawing
Fig. 1 is an expression locking broken section plan view with packing ring one embodiment of the present invention.
Fig. 2 is the plan view of described packing ring.
Fig. 3 is the sectional view of the described packing ring using process of expression.
Fig. 4 is the sectional view of the described packing ring user mode of expression.
Detailed description of the invention
In the drawings, symbol A is a packing ring of the present invention, on the spacer ring body 2 that the ring bodies by sheet metal system forms, has the bolt through hole 1 that connects the axle center.And below it, be that seat surface 3 forms the plane of inclination that slowly tilt to a direction.
The tilt angle alpha of this seat surface 3 is set in the following angular range: when with standard nut B with packing ring A screws with bolt D together and fasten when being captive on the member C with the moment of torsion of regulation, be close to above the following and packing ring A of nut B, inclination seat surface 3 and the top crimping that is captive member C, thus, towards bolt axis to pressure produce simultaneously with the relative surface pressure that is captive member C.
This angle of inclination, be that seat surface angle α is different because of size, preferably about the 1.0-3.0 degree.In addition, the moment of torsion of fastening of the regulation that what is called is above-mentioned is fastened moment of torsion according to the standard of standard nut, or refers to increase the moment of torsion about 10% thereon, for example, for the hexagonal metal nut of M12, is 450～500kgfcm.
As shown in Figure 3, the packing ring A of above-mentioned such structure uses with nut B.When to be captive member C and make along bolt D precession nut B packing ring A be captive member C above when exerting oneself anchor bolt B with prescribed torque again after contacting, as shown in Figure 4, nut B just has been crowded with the gap of the thread engagement part between bolt, nut, and the inclination seat surface 3 along packing ring A is fixed into inclination attitude with compulsory form simultaneously.Under this state, shown in arrow among Fig. 4, the screw thread that is positioned at the upper side of inclination of nut B is oppressed the bolt side with the screw thread that is positioned at the next side to cutting direction, simultaneously, inclination seat surface 3 is with the face way of contact and the top crimping that is captive member C, can be by this internal stress thread engagement of locking nut B and bolt D securely, thus it is loosening to prevent that nut B from producing.
In addition, it is that 26mm, internal diameter are that 12.2mm, maximum ga(u)ge are that 2.8mm, minimum thickness are the iron packing ring of M12 nut of 1.8mm (this moment, seat surface angle α was 2.3 degree) that the present inventor has made external diameter, result according to the nut anti-looseness vibration test of third-party test center, 4 of standard nuts are all loosening with interior generation at 20 seconds, but and the nut vibration resistance of 4 samples all is more than 14 minutes.The moment of torsion of fastening of the nut of this occasion all is 500kgfcm.
More than although understand one embodiment of the invention, but the present invention not merely is defined in these example structure.For example in the above-described embodiments, also can the plane of inclination that be located at below the spacer ring body is located in the above, or symmetry is located at top and bottom, also can obtain same effect.In addition, gasket materials also is not limited to iron or stainless steel and other metal materials, forms for the also available synthetic resin material of undersized packing ring.The shape of packing ring also is not limited to circle, can form with hexagon or arbitrary shape such as square.
Claims (2)
1. packing ring, it is characterized in that, one side at least with loop pads circle body (2) top and bottom of the bolt through hole (1) that connects the axle center is formed plane of inclination (3), the angle of inclination (α) of this inclination seat surface (3) is set in the following angular range: when with nut (B) with packing ring (A) screws with bolt (D) together and fasten when being captive member (C) and going up with the moment of torsion of regulation, nut (B) can be fixed into inclination attitude with compulsory form along the inclination seat surface (3) of packing ring (A), and the pressure towards the bolt cutting direction produces simultaneously with the relative surface pressure that is captive member (C), and promptly angle of inclination (α) is the 1.0-3.0 degree.
2. packing ring as claimed in claim 1 is characterized in that, described angle of inclination (α) is 2.3 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97182274A CN1114766C (en) | 1997-07-04 | 1997-07-04 | Washer for locking of nut and locking structure of nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97182274A CN1114766C (en) | 1997-07-04 | 1997-07-04 | Washer for locking of nut and locking structure of nut |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1260030A CN1260030A (en) | 2000-07-12 |
| CN1114766C true CN1114766C (en) | 2003-07-16 |
Family
ID=5178369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN97182274A Expired - Fee Related CN1114766C (en) | 1997-07-04 | 1997-07-04 | Washer for locking of nut and locking structure of nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1114766C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111853005A (en) * | 2020-07-30 | 2020-10-30 | 大连理工大学 | A bolt anti-loosening structure with non-parallel installation end faces |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104632850A (en) * | 2015-02-05 | 2015-05-20 | 南车青岛四方机车车辆股份有限公司 | Lock nut structure and installation method thereof |
| CN108130982A (en) * | 2017-12-29 | 2018-06-08 | 郑州航空工业管理学院 | A kind of exposed suspension column automatic reset device of steel construction |
| CN108757687A (en) * | 2018-06-29 | 2018-11-06 | 李志刚 | A kind of not Unscrewed screw nut |
| CN108869518A (en) * | 2018-09-06 | 2018-11-23 | 王平安 | The general combination stop nut of one kind and its locking installation method |
| CN109630532A (en) * | 2018-12-26 | 2019-04-16 | 黄万强 | A kind of anti-loosening lock solid structure |
| CN110439910A (en) * | 2019-08-26 | 2019-11-12 | 郑云兵 | A kind of locking pad |
| CN113833737A (en) * | 2020-06-08 | 2021-12-24 | 张继锐 | A new type of washer to prevent nuts from loosening |
| CN111734728A (en) * | 2020-07-23 | 2020-10-02 | 冯鲁民 | Anti-loosening nut with double anti-loosening and pretightening force estimation functions |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52169669U (en) * | 1976-06-17 | 1977-12-23 | ||
| JPS63103013U (en) * | 1986-12-23 | 1988-07-04 |
-
1997
- 1997-07-04 CN CN97182274A patent/CN1114766C/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52169669U (en) * | 1976-06-17 | 1977-12-23 | ||
| JPS63103013U (en) * | 1986-12-23 | 1988-07-04 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111853005A (en) * | 2020-07-30 | 2020-10-30 | 大连理工大学 | A bolt anti-loosening structure with non-parallel installation end faces |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1260030A (en) | 2000-07-12 |
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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 | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |