CN109707719A - Double nut pushes against locked bolt - Google Patents
Double nut pushes against locked bolt Download PDFInfo
- Publication number
- CN109707719A CN109707719A CN201811622609.7A CN201811622609A CN109707719A CN 109707719 A CN109707719 A CN 109707719A CN 201811622609 A CN201811622609 A CN 201811622609A CN 109707719 A CN109707719 A CN 109707719A
- Authority
- CN
- China
- Prior art keywords
- nut
- sleeve
- lock seaming
- pushes against
- locked bolt
- 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
Links
- 238000004826 seaming Methods 0.000 claims abstract description 29
- 239000000463 material Substances 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 7
- 238000001125 extrusion Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Landscapes
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The present invention provides a kind of locked bolt of double nut abutting, including screw rod and nut, there are two nuts, radially fixed on one side end face of nut to have cylindrical sleeve, sleeve ends form cone cell lock seaming, are directed toward nut direction along lock seaming, outside diameter corresponding to lock seaming lateral surface is become larger by small, hub internal bore and nut screw hole are coaxially disposed, and hub internal bore is unthreaded hole, and hub internal bore diameter is greater than nut screw hole diameter；Sleeve wall thickness is less than nut wall thickness.This double nut pushes against locked bolt and utilizes the lock seaming mutual extrusion on two ut sockets, since lock seaming edge thickness is minimum, under extruding force effect, lock seaming edge easily deforms, it is bent towards screw rod, until in the thread pitch of edge " buckling up " on screw rod of lockstitching a border, thus by nut " fixation " on screw rod, it will not lead to the generation loosened because of the influence of external force, achieve the purpose that locking is anti-loose.
Description
Technical field
The present invention relates to mechanized equipment fastener areas, in particular to a kind of double nut pushes against locked bolt.
Background technique
Assembling process of the mechanized equipment from part to complete machine be unable to do without the tight fit of fastener.Bolt fastener is application
Most commonly used a kind of fastener forms, in the links such as equipment transport and runs, due to external force such as vibrations
It influences, bolt fastener can make the frictional force between screw thread to be because of pressure pop-off between the thread that is mutually twisted
Zero, occur loosening to make to be threadedly coupled or even fall off, so that the normal performance for influencing equipment, which results even in equipment, occurs event
Barrier.Therefore, the technical issues of locking anticreep of bolt fastener is always this field practitioner's urgent need to resolve.
In order to be gained the initiative in market competition using technical advantage, in view of the above-mentioned problems, applicant organizational technology personnel
Research of technique is carried out, to solve the problems, such as that bolt fastener easily loosens.
Summary of the invention
The technical issues of easily loosening for bolt fastener, the present invention provides a kind of double nuts to push against locked bolt, should
The technical solution that double nut pushes against locked bolt is achieved in that
The double nut pushes against locked bolt, including screw rod and nut, and there are two the nuts, a side of the nut
Radially fixed on face to have cylindrical sleeve, sleeve ends form cone cell lock seaming, are directed toward nut direction along lock seaming, and lockstitch a border lateral surface institute
Corresponding outside diameter is become larger by small, and hub internal bore and nut screw hole are coaxially disposed, and hub internal bore is unthreaded hole, in sleeve
Aperture is greater than nut screw hole diameter；
The sleeve wall thickness is less than nut wall thickness.
Further, nut side end face radially extends to form discoid expanding table, and ring screw hole is arranged on expanding table
There is holding tank, sleeve radially extends to form base station far from the end of lock seaming, and base station is placed in holding tank by raised line；
The holding tank can limit the sleeve rotation being placed in one.
Further, the holding tank is square groove.
Further, the lock seaming height is not less than the one third of sleeve height.
Further, the sleeve is made of aluminum material.
It is as follows that this double nut pushes against locked working bolt principle: in use, first by a nut driving in treating on screw rod
Fastener is fastened, and when the nut driving, sleeve one end is outwardly；After the completion of fastening, then by second nut driving in screw rod
On, when the nut driving, sleeve one end inwardly, when the sleeve of two nuts offsets, continues to screw second nut, makes two
Lock seaming mutual extrusion on ut socket, since lock seaming edge thickness is minimum, under extruding force effect, lock seaming edge is easily sent out
Change shape, bends towards screw rod, until in the thread pitch of edge " buckling up " on screw rod of lockstitching a border, so that nut " fixation " be existed
On screw rod, the generation loosened will not be led to because of the influence of external force, achieve the purpose that locking is anti-loose.In addition, lock seaming edge
In the thread pitch of " buckling up " on screw rod, this state also can apply radial compaction to the screw thread that is engaged between nut and screw rod
Power strengthens locking effect, prevents the generation for loosening phenomenon to increase the frictional force between screw thread.
Detailed description of the invention
The attached drawing for constituting a part of the invention is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is that this double nut pushes against locked bolt arrangement schematic diagram；
Fig. 2 is that this double nut pushes against locked bolt nut structure schematic diagram；
Fig. 3 is that this double nut pushes against locked bolt expanding table structural schematic diagram.
Description of symbols:
In figure: 1. screw rods, 2. nuts, 3. expanding tables, 4. holding tanks, 5. base stations, 6. sleeves, 7. lock seamings, 8. raised lines.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
Double nut of the present invention pushes against locked bolt, as shown in Figures 1 to 3, including screw rod 1 and nut 2, the nut 2
There are two, radially fixed on a side end face of the nut 2 to have cylindrical sleeve 6,6 end of sleeve forms cone cell lock seaming 7, along lock
2 direction of nut is directed toward on side 7, and outside diameter corresponding to 7 lateral surfaces of lockstitching a border is become larger by small, 6 inner hole of sleeve and 2 screw hole of nut
Coaxial arrangement, and 6 inner hole of sleeve is unthreaded hole, 6 internal orifice dimension of sleeve is greater than 2 screw hole diameter of nut；
6 wall thickness of sleeve is less than 2 wall thickness of nut.
It is as follows that this double nut pushes against locked working bolt principle: in use, first screwing a nut 2 in right on screw rod 1
Part to be tightened is fastened, and when which screws, 6 one end of sleeve is outwardly；After the completion of fastening, then by second nut 2 screw in
On screw rod, when which screws, 6 one end of sleeve inwardly, when the sleeve 6 of two nuts offsets, continues to screw second nut
2, make 7 mutual extrusion of lock seaming on two ut sockets 6, since 7 edge thickness of lock seaming is minimum, under extruding force effect, lock
7 edge of side easily deforms, and bends towards screw rod, until 7 edges " buckling up " is lockstitched a border in the thread pitch on screw rod 1, from
And by nut 2 " fixation " on screw rod, the generation loosened will not be led to because of the influence of external force, reach the anti-loose mesh of locking
's.In addition, lock seaming 7 edges " buckling up " is in the thread pitch on screw rod 1, this state also can be between nut 2 and screw rod 1
It is engaged screw thread and applies radial compacting force, to increase the frictional force between screw thread, strengthen locking effect, prevent the hair for loosening phenomenon
It is raw.
It should be pointed out that this double nut pushes against locked bolt when in use, sleeve 6 need to be made to lock under double nut effect
Side edge, which is pressurized in the thread pitch that bending deformation is stuck on screw rod 1, just can reach anti-loose purpose.When release fasten, need by
When double nut is unloaded from screw rod, then to make the edge of lock seaming 7 from the thread pitch on screw rod 1 by tools such as pliers, sled knives
, in the present solution, 6 internal orifice dimension of sleeve is greater than 2 screw hole diameter of nut, this structure is in order to this operation indwelling for middle stretching
Operating space and be arranged.
This double nut pushes against in locked bolt, and the 2 side end face of nut radially extends to form discoid expanding table 3, expands
Ring screw hole is provided with holding tank 4 on exhibition booth 3, and sleeve 6 radially extends to form base station 5 far from the end of lock seaming 7, and base station 5 passes through convex
Item 8 is placed in holding tank 4；The holding tank 4 can limit the sleeve 6 being placed in one and rotate.Preferably, the holding tank 4 is side
Connected in star.Sleeve and nut split settings are only needed to change sleeve, save the cost when lock seaming is impaired by above-mentioned design.
This double nut pushes against in locked bolt, and 7 height of the lock seaming are not less than the one third of 6 height of sleeve, and lock seaming 7 is high
It is big to spend accounting, when processing, the area for the bent deformation in 7 edges of lockstitching a border is bigger, can increase the deformation plance at 7 edges of lock seaming
Product, so that anti-loose better effect.
This double nut pushes against in locked bolt, and the sleeve 6 is preferably made of the material that the material is soft, it is preferred that by aluminium
Prepared material is made.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (5)
1. a kind of double nut pushes against locked bolt, including screw rod (1) and nut (2), it is characterised in that: the nut (2) has two
A, radially fixed on a side end face of the nut (2) to have cylindrical sleeve (6), sleeve (6) end forms cone cell lock seaming (7),
It is directed toward nut (2) direction along lock seaming (7), outside diameter corresponding to (7) lateral surface of lockstitching a border is become larger by small, in sleeve (6)
Hole and nut (2) screw hole are coaxially disposed, and sleeve (6) inner hole is unthreaded hole, and sleeve (6) internal orifice dimension is greater than nut (2) screw hole diameter；
Sleeve (6) wall thickness is less than nut (2) wall thickness.
2. double nut according to claim 1 pushes against locked bolt, it is characterised in that: nut (2) side end-face diameter
To extending to form discoid expanding table (3), ring screw hole is provided with holding tank (4) on expanding table (3), and sleeve (6) is far from lock seaming (7)
End radially extend to be formed base station (5), base station (5) is placed in holding tank (4) by raised line (8)；
The holding tank (4) can limit sleeve (6) rotation being placed in one.
3. double nut according to claim 2 pushes against locked bolt, it is characterised in that: the holding tank (4) is rectangular recessed
Slot.
4. double nut according to claim 1 pushes against locked bolt, it is characterised in that: the lock seaming (7) is highly not less than
The one third of sleeve (6) height.
5. double nut according to claim 1 pushes against locked bolt, it is characterised in that: the sleeve (6) is by aluminum material
It is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811622609.7A CN109707719A (en) | 2018-12-28 | 2018-12-28 | Double nut pushes against locked bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811622609.7A CN109707719A (en) | 2018-12-28 | 2018-12-28 | Double nut pushes against locked bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109707719A true CN109707719A (en) | 2019-05-03 |
Family
ID=66258956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811622609.7A Pending CN109707719A (en) | 2018-12-28 | 2018-12-28 | Double nut pushes against locked bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109707719A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1486647A (en) * | 1975-03-26 | 1977-09-21 | Murao M | Assembly of threaded fastening members and a locking member therefor |
| CN1839266A (en) * | 2003-08-22 | 2006-09-27 | 共创有限会社 | Lock nut |
| US20140286727A1 (en) * | 2013-03-24 | 2014-09-25 | Arnold Permanent Nut, LLC | One-piece self-locking nut |
| CN204025290U (en) * | 2014-08-19 | 2014-12-17 | 瑞标集团有限公司 | A kind of nut of belt washer |
| TW201533334A (en) * | 2014-02-21 | 2015-09-01 | Shehkai Prec Co Ltd | Fastening device with fastening tension indication and manufacturing method thereof |
| CN106232942A (en) * | 2014-04-15 | 2016-12-14 | 西门子股份公司 | Have at least one sealing plate wheel disc |
| CN209705045U (en) * | 2018-12-28 | 2019-11-29 | 天津市盛立达机械设备有限公司 | Double nut fastening bolt |
-
2018
- 2018-12-28 CN CN201811622609.7A patent/CN109707719A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1486647A (en) * | 1975-03-26 | 1977-09-21 | Murao M | Assembly of threaded fastening members and a locking member therefor |
| CN1839266A (en) * | 2003-08-22 | 2006-09-27 | 共创有限会社 | Lock nut |
| US20140286727A1 (en) * | 2013-03-24 | 2014-09-25 | Arnold Permanent Nut, LLC | One-piece self-locking nut |
| TW201533334A (en) * | 2014-02-21 | 2015-09-01 | Shehkai Prec Co Ltd | Fastening device with fastening tension indication and manufacturing method thereof |
| CN106232942A (en) * | 2014-04-15 | 2016-12-14 | 西门子股份公司 | Have at least one sealing plate wheel disc |
| CN204025290U (en) * | 2014-08-19 | 2014-12-17 | 瑞标集团有限公司 | A kind of nut of belt washer |
| CN209705045U (en) * | 2018-12-28 | 2019-11-29 | 天津市盛立达机械设备有限公司 | Double nut fastening bolt |
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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 | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190503 |
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| WD01 | Invention patent application deemed withdrawn after publication |