CN101725611A - Novel nut - Google Patents
Novel nut Download PDFInfo
- Publication number
- CN101725611A CN101725611A CN201010005522A CN201010005522A CN101725611A CN 101725611 A CN101725611 A CN 101725611A CN 201010005522 A CN201010005522 A CN 201010005522A CN 201010005522 A CN201010005522 A CN 201010005522A CN 101725611 A CN101725611 A CN 101725611A
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- nut
- outer ring
- packing ring
- pair
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Abstract
The invention discloses a novel nut, which comprises a nut, an outer ring, a gasket and a pair of spring plates, wherein one axial end of the outer ring is movably sleeved on the corresponding end of the nut and is provided with a limit component capable of preventing the nut from separating from the outer ring; an accommodating cavity for accommodating the gasket and the pair of spring plates is arranged in the outer ring; the gasket and the pair of spring plates are sequentially arranged in the accommodating cavity and run through a screw rod of a bolt assembly, and the pair of spring plates are buckled mutually; and a binding face matched with the end face of the corresponding end face of the gasket is arranged on an inner wall of the accommodating cavity positioned at the other axial end of the outer ring. The novel nut has the advantages that: when the bolt assembly is screwed up, the nut exerts pressure to the gasket and the pair of spring plates which are sleeved on the screw rod, and the gasket is pressed tightly, so that the end face of one axial end of the gasket is matched with the inner wall of the accommodating cavity positioned at the other axial end of the outer ring to clamp the screw rod tightly; therefore, the pretightening force of the nut and the screw rod is increased, the phenomena of the looseness and drop-off of the nut are difficult to generate during intense shock and irregular and strong fluctuations, and the service life of the nut is prolonged.
Description
Technical field
The present invention relates to a kind of component of fastening piece, particularly a kind of nut of bolt assembly.
Background technique
At present, in general fastening component, nut is the common and component widely of a kind of purposes.As not embodying its effect nowhere in each fields such as machinery, electric power, automobile, railway, aviations.Yet nut is when sharp pounding and irregular powerful the fluctuation; nut loosening and obscission appear through regular meeting; cause influencing the normal operation and the use of each side such as machinery, vehicle, and nut cooperates with bolt when tightening, nut also easily scratch fastening body surface.In order to address this problem, modular nut has appearred on the market, it comprises nut and outer ring, the outer ring be located in nut and between the fastening object and be arranged in jointly on the screw rod, an axial end socket of nut and outer ring rivets together, and the outer ring can rotate relatively with nut, this modular nut, its nut and outer ring can relatively rotate, when having solved the bolt assembly and having tightened, nut be difficult for scratch the phenomenon of fastening body surface; But this modular nut, do not solve nut problem loosening and that come off easily takes place, and loosening nut, make the modular nut discontinuity easily, thereby the bolt assembly is produced great shearing force, cause the outer ring impaired and shortened working life of modular nut.
Summary of the invention
The purpose of this invention is to provide a kind of increasing the service life and the difficult new type nut that becomes flexible and come off.
Technological scheme of the present invention is such: a kind of new type nut, comprise nut and outer ring, and an axial end pivot bush unit of outer ring is on the respective end of nut, and an axial end of outer ring is provided with the limit position part that can prevent that nut and outer ring are separated; Also comprise packing ring and a pair of spring video disc, be provided with the holding cavity that holds above-mentioned packing ring and above-mentioned a pair of spring video disc in the above-mentioned outer ring, above-mentioned packing ring and above-mentioned a pair of spring video disc are located in the above-mentioned holding cavity successively and are arranged on the screw rod of bolt assembly, and above-mentioned a pair of spring video disc fastens setting mutually, and the inwall that above-mentioned holding cavity is positioned at the axial the other end place of above-mentioned outer ring is provided with the suitable faying surface of end face with the respective end of above-mentioned packing ring.
The end face of above-mentioned packing ring and the corresponding end of above-mentioned faying surface is the arc surface of projection, and above-mentioned faying surface is the recessed arc surface suitable with the arc surface of above-mentioned projection.
Above-mentioned faying surface is the plane, and the end face of the corresponding end of above-mentioned packing ring and faying surface is and the suitable plane of above-mentioned faying surface.
The axial the other end of above-mentioned outer ring is provided with the hollow cylindrical sheath that fills up between the screw rod of being located at above-mentioned packing ring and bolt assembly.
Have the gap between the interior edge of the outer wall of above-mentioned hollow cylindrical sheath and above-mentioned packing ring, the width of this gap is 0.1mm～0.2mm.
Above-mentioned hollow cylindrical sheath has the extension part of the axial the other end that stretches out above-mentioned outer ring.
After adopting technique scheme, a kind of new type nut of the present invention, when the bolt assembly when tightening, nut is exerted pressure to the packing ring and a pair of spring video disc that are enclosed within on the screw rod, make the end face of packing ring respective end and suitable the fitting together and clamping screw rod of inwall of holding cavity respective end, thereby increase the pretightening force of nut and screw rod, make nut when being subjected to sharp pounding and irregular powerful the fluctuation, be difficult for loosening and obscission take place, prolonged the working life of nut; Because the faying surface that packing ring and holding cavity fit is an arc surface, has automatic positioning effect, and nut and screw rod can be remained on the same shaft axis, when fastening nut, the exterior edge face of packing ring is comparatively slick and sly simultaneously, thereby is difficult for the inwall of incised wound holding cavity; Again because the axial the other end of outer ring is provided with the hollow cylindrical sheath that fills up between the screw rod of being located at packing ring and bolt assembly, the interior edge of packing ring can not contacted with the outside thread of screw rod, be difficult for like this making packing ring stuck, and make packing ring be difficult for producing internal displacement or distortion.
Description of drawings
Fig. 1 is a three-dimensional exploded view of the present invention;
Fig. 2 is the axial cut-away view before the riveted of the present invention;
Fig. 3 is the axial cut-away view behind the riveted of the present invention.
Embodiment
A kind of new type nut of the present invention, as shown in Figure 1, 2, 3, comprise nut 1, outer ring 2, packing ring 3, spring video disc 4 and spring video disc 5, the outer of an axial end of nut 1 is provided with bulge loop 11, the respective end of outer ring 2 is sheathed on outside the bulge loop 11, has the holding cavity 21 that holds packing ring 3, spring video disc 4 and spring video disc 5 in the outer ring 2, and the inside riveted in the end of the respective end of outer ring 2 forms limited ring 23, thereby it is movable to make that bulge loop 11 is limited in the holding cavity 21, can prevent that nut 1 breaks away from outer ring 2.Packing ring 3, spring video disc 4 and spring video disc 5 are located in the holding cavity 21 and are arranged in successively on the screw rod of bolt assembly, and the corresponding fastening of a side of spring video disc 4 and spring video disc 5 indents, the inwall that holding cavity 21 is positioned at the axial the other end place of outer ring 2 is provided with the suitable faying surface 211 of end face with the respective end of packing ring 3, packing ring 3 is the arc surface of projection with the end face of faying surface 211 corresponding ends, and 211 of faying surfaces are the recessed arc surface suitable with the arc surface of projection.The axial the other end of outer ring 2 is provided with the hollow cylindrical sheath 22 that fills up between the screw rod of being located at packing ring 3, spring video disc 4 and bolt assembly, has the gap that width is 0.1mm～0.2mm between the interior edge of the outer wall of hollow cylindrical sheath 22 and packing ring 3, spring video disc 4.
When assembling, be inserted in packing ring 3, spring video disc 4 and spring video disc 5 in the holding cavity 21 successively and be arranged on the screw rod of bolt assembly, and the corresponding fastening of a side of spring video disc 4 and spring video disc 5 indents forms limited ring 23 with the inside riveting of an axial end of outer ring 2 again, thereby finishes assembling.When the bolt assembly when tightening, nut 1 is exerted pressure to the packing ring 3, spring video disc 4 and the spring video disc 5 that are enclosed within on the screw rod, packing ring 3 is compacted, the end face of an axial end that makes packing ring 3 is with the faying surface 211 suitable applyings of holding cavity 21 and clamping screw rod, thereby increase the pretightening force of nut 1 and screw rod, make nut when being subjected to sharp pounding and irregular powerful the fluctuation, be difficult for loosening and obscission take place, prolonged the working life of nut; Because the corresponding end-faces and the faying surface of packing ring 3 are arc surface, have automatic positioning effect, and nut and screw rod can be remained on the same shaft axis, when fastening nut 1, the exterior edge face of packing ring 3 is comparatively slick and sly simultaneously, thereby is difficult for the inwall of incised wound holding cavity 21; Again because the axial the other end of outer ring is provided with the hollow cylindrical sheath 22 that fills up between the screw rod of being located at packing ring 3 and spring video disc 4 and bolt assembly, the interior edge of packing ring 3 and spring video disc 4 can not contacted with the outside thread of screw rod, be difficult for making packing ring 3 stuck like this, and make packing ring 3 be difficult for producing internal displacement or distortion; And when packing ring 3 is fitted on the faying surface 211 and hollow cylindrical sheath 22 have the gap that width is 0.1mm～0.2mm, when unclamping nut, packing ring 3 is difficult for making packing ring 3 stuck when cooperating with hollow cylinder 22 like this.
Among the present invention, faying surface 211 also can be designed to plane, and the corresponding end-faces of packing ring 3 then is the plane suitable with faying surface.
Nut of the present invention is applicable to different field such as machinery, electric power, automobile, railway, aviations.Among the present invention, hollow cylindrical sheath 22 also can have the extension part 24 of the axial the other end that stretches out outer ring 2, when nut uses on automotive tyre nut like this, extension part 24 can be inserted between tire screw rod and tyre rim hole in the existing gap, thereby makes bolt hole and the screw rod gap between the two very little.
Claims (6)
1. a new type nut comprises nut and outer ring, and an axial end pivot bush unit of outer ring is on the respective end of nut, and an axial end of outer ring is provided with the limit position part that can prevent that nut and outer ring are separated; It is characterized in that: also comprise packing ring and a pair of spring video disc, be provided with the holding cavity that holds above-mentioned packing ring and above-mentioned a pair of spring video disc in the above-mentioned outer ring, above-mentioned packing ring and above-mentioned a pair of spring video disc are located in the above-mentioned holding cavity successively and are arranged on the screw rod of bolt assembly, and above-mentioned a pair of spring video disc fastens setting mutually, and the inwall that above-mentioned holding cavity is positioned at the axial the other end place of above-mentioned outer ring is provided with the suitable faying surface of end face with the respective end of above-mentioned packing ring.
2. a kind of new type nut according to claim 1 is characterized in that: the end face of above-mentioned packing ring and the corresponding end of above-mentioned faying surface is the arc surface of projection, and above-mentioned faying surface is the recessed arc surface suitable with the arc surface of above-mentioned projection.
3. a kind of new type nut according to claim 1 is characterized in that: above-mentioned faying surface is the plane, and the end face of the corresponding end of above-mentioned packing ring and faying surface is and the suitable plane of above-mentioned faying surface.
4. a kind of new type nut according to claim 1 is characterized in that: the axial the other end of above-mentioned outer ring is provided with the hollow cylindrical sheath that fills up between the screw rod of being located at above-mentioned packing ring and bolt assembly.
5. a kind of new type nut according to claim 4 is characterized in that: have the gap between the interior edge of the outer wall of above-mentioned hollow cylindrical sheath and above-mentioned packing ring, the width of this gap is 0.1mm～0.2mm.
6. a kind of new type nut according to claim 4 is characterized in that: above-mentioned hollow cylindrical sheath has the extension part of the axial the other end that stretches out above-mentioned outer ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010005522A CN101725611A (en) | 2010-01-15 | 2010-01-15 | Novel nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010005522A CN101725611A (en) | 2010-01-15 | 2010-01-15 | Novel nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101725611A true CN101725611A (en) | 2010-06-09 |
Family
ID=42447013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010005522A Pending CN101725611A (en) | 2010-01-15 | 2010-01-15 | Novel nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101725611A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105736548A (en) * | 2016-04-12 | 2016-07-06 | 哈尔滨东安发动机（集团）有限公司 | Disassembly structure for closed shell |
| CN106090412A (en) * | 2016-08-26 | 2016-11-09 | 赛洛克流体设备成都有限公司 | A kind of can the valve of flexible operating |
| CN106090411A (en) * | 2016-08-26 | 2016-11-09 | 赛洛克流体设备成都有限公司 | A kind of valve handle of improvement |
| CN106195341A (en) * | 2016-08-29 | 2016-12-07 | 赛洛克流体设备成都有限公司 | A kind of tee ball valve of replaceable black box |
| CN108425930A (en) * | 2018-04-03 | 2018-08-21 | 杨聪辉 | A kind of heat dissipation nut |
| CN108518402A (en) * | 2018-04-11 | 2018-09-11 | 杨聪辉 | A kind of stop nut |
| CN110394500A (en) * | 2019-07-11 | 2019-11-01 | 深圳市协和辉五金制品有限公司 | A kind of automatic both-end beveler |
-
2010
- 2010-01-15 CN CN201010005522A patent/CN101725611A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105736548A (en) * | 2016-04-12 | 2016-07-06 | 哈尔滨东安发动机（集团）有限公司 | Disassembly structure for closed shell |
| CN106090412A (en) * | 2016-08-26 | 2016-11-09 | 赛洛克流体设备成都有限公司 | A kind of can the valve of flexible operating |
| CN106090411A (en) * | 2016-08-26 | 2016-11-09 | 赛洛克流体设备成都有限公司 | A kind of valve handle of improvement |
| CN106195341A (en) * | 2016-08-29 | 2016-12-07 | 赛洛克流体设备成都有限公司 | A kind of tee ball valve of replaceable black box |
| CN108425930A (en) * | 2018-04-03 | 2018-08-21 | 杨聪辉 | A kind of heat dissipation nut |
| CN108425930B (en) * | 2018-04-03 | 2020-07-10 | 杨聪辉 | Heat dissipation nut |
| CN108518402A (en) * | 2018-04-11 | 2018-09-11 | 杨聪辉 | A kind of stop nut |
| CN110394500A (en) * | 2019-07-11 | 2019-11-01 | 深圳市协和辉五金制品有限公司 | A kind of automatic both-end beveler |
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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 | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20100609 |