CN107013545A - A kind of self-plugging rivet - Google Patents
A kind of self-plugging rivet Download PDFInfo
- Publication number
- CN107013545A CN107013545A CN201710466615.7A CN201710466615A CN107013545A CN 107013545 A CN107013545 A CN 107013545A CN 201710466615 A CN201710466615 A CN 201710466615A CN 107013545 A CN107013545 A CN 107013545A
- Authority
- CN
- China
- Prior art keywords
- lock ring
- ring
- groove
- nail set
- self
- 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.)
- Granted
Links
- 239000000463 material Substances 0.000 claims abstract description 11
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- 230000007423 decrease Effects 0.000 claims description 3
- 229920006324 polyoxymethylene Polymers 0.000 claims description 3
- 239000010936 titanium Substances 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- 238000009434 installation Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 241000135309 Processus Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000006467 substitution reaction 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
- F16B19/00—Bolts without screw-thread; Pins, including deformable elements; Rivets
- F16B19/04—Rivets; Spigots or the like fastened by riveting
- F16B19/08—Hollow rivets; Multi-part rivets
- F16B19/10—Hollow rivets; Multi-part rivets fastened by expanding mechanically
-
- 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
- F16B19/00—Bolts without screw-thread; Pins, including deformable elements; Rivets
- F16B19/04—Rivets; Spigots or the like fastened by riveting
- F16B19/08—Hollow rivets; Multi-part rivets
- F16B19/10—Hollow rivets; Multi-part rivets fastened by expanding mechanically
- F16B19/1027—Multi-part rivets
- F16B19/1036—Blind rivets
- F16B19/1045—Blind rivets fastened by a pull - mandrel or the like
- F16B19/1054—Blind rivets fastened by a pull - mandrel or the like the pull-mandrel or the like being frangible
-
- 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
- F16B19/00—Bolts without screw-thread; Pins, including deformable elements; Rivets
- F16B19/04—Rivets; Spigots or the like fastened by riveting
- F16B19/08—Hollow rivets; Multi-part rivets
- F16B19/10—Hollow rivets; Multi-part rivets fastened by expanding mechanically
- F16B2019/1009—Hollow rivets; Multi-part rivets fastened by expanding mechanically hollow or single-part rivets fastened by a pull-through mandrel
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Insertion Pins And Rivets (AREA)
Abstract
The invention provides a kind of self-plugging rivet, including core bar, nail set, lock ring, anvil piece and body；The head of the core bar is provided with limiting stand, and middle part is provided with cut-off neck slot and the lock ring groove for accommodating the lock ring, and afterbody is provided with gripping section；The lock ring groove is located between the limiting stand and cut-off neck slot；The nail set and body are set on the core bar, and the afterbody of the body can be spacing by the limiting stand of the core bar, and the afterbody of the nail set can be spacing by the head of the body, and it is internal that the cut-off neck slot is located at the nail set；The lock ring is set on the lock ring groove of core bar and coordinated respectively with lock ring groove and nail set gap, and the lock ring is made up of plastic deformable material；The anvil piece is set on the core bar, and positioned at the side towards gripping section of the nail set；The anvil piece has the faying surface with the nail set and lock ring in axially direction.The invention can solve the problem that lock ring installs easily failure and problem easy to fall off.
Description
Technical field
The invention is related to fastener areas, and in particular to a kind of lock ring internally-arranged type self-plugging rivet.
Background technology
Self-plugging rivet be it is a kind of can carry out the fastener of one side installation, be widely used in the connection of aerospace vehicle.
Self-plugging rivet is connected available for metal material, also has special design to be applied to the self-plugging rivet that composite is connected, can bear compared with
Big tension and shearing resistance, self-plugging rivet is widely used in the occasions such as one side installation, maintenance.The core pulling riveting of general Aero-Space
Nail is made up of accessory parts such as core bar, nail set and lock rings, after core bar and nail set field riveting in place, by the way that outside lock ring is pushed away
Enter locking slot and complete locking.But these self-plugging rivets are when mounted, lock ring has the risk of install failure, while lock ring ratio
It is easier to come off.
The content of the invention
In view of this, the invention is directed to a kind of lock ring internally-arranged type self-plugging rivet, can solve the problem that lock ring is installed easy
Failure and problem easy to fall off.
To reach above-mentioned purpose, what the technical scheme of the invention was realized in：
A kind of self-plugging rivet, including core bar, nail set, lock ring, anvil piece and body；The head of the core bar is provided with limiting stand,
Middle part is provided with cut-off neck slot and the lock ring groove for accommodating the lock ring, and afterbody is provided with gripping section；The lock ring groove is located at described
Between limiting stand and cut-off neck slot；The nail set and body are set on the core bar, and the afterbody of the body can be described
The limiting stand of core bar is spacing, and the afterbody of the nail set can be spacing by the head of the body；The body and nail set successively by
After limiting stand is spacing, it is internal that the cut-off neck slot is located at the nail set；The lock ring be set on the lock ring groove of core bar and respectively with
Lock ring groove and nail set gap coordinate, and the lock ring is made up of plastic deformable material；The anvil piece is set on the core bar, and
Positioned at the side towards gripping section of the nail set；The anvil piece has and the nail set and lock in axially direction
The faying surface of ring.
Wherein, the body is one section of deformable segments.
Wherein, the head of the body, which is provided with step annular groove, the step annular groove, is set with ring, the tail of the nail set
Taper that portion successively decreases in external diameter, go deep on the inside of the ring on the ring head and spacing by the ring.
Wherein, the outer surface of the ring and the inner surface of the body step annular groove are mutually fixed, the material of the ring
Preferably polyformaldehyde material.
Wherein, it is provided with least one step-like concavo-convex annular groove, the lock ring and is provided with and described in the lock ring groove
The step ring of the concavo-convex annular groove matching of scalariform.
Wherein, the lock ring groove and cut-off neck slot are provided adjacent to.
Wherein, the head end of the nail set is more than the deformation groove of lock ring external diameter, the depth of the deformation groove provided with diameter
Width of the degree less than the lock ring, it is preferred that the depth of the deformation groove is less than the half of the width of the lock ring.
Wherein, the external diameter of the limiting stand is identical with the external diameter of the body afterbody.
Wherein, the gripping section is made up of core bar afterbody along the uniform some annular grooves of axle.
Wherein, the head of the nail set is trapezoidal in what is expanded outwardly.
Wherein, skewed slot is offered in the ring body of the lock ring, the lock ring is made up of Titanium.
Relative to prior art, present invention wound has the advantage that：Accessory is simple, and part is few.Lock ring is internally-arranged type, lock ring
The additional design of groove and deformation groove, which to be formed during built-in lock annular strain, locks, and improves the reliability of self-plugging rivet, without
The risk that lock ring comes off.
Brief description of the drawings
The accompanying drawing for constituting the part of the invention is used for providing further understanding the invention, present invention wound
The schematic description and description made is used to explain the invention, does not constitute the improper restriction to the invention.
In accompanying drawing：
Fig. 1 is a kind of structural representation of embodiment of the invention；
Fig. 2 is the structural representation of core bar in Fig. 1；
The structural representation of the middle tube body of Fig. 3 bitmaps 1 and ring；
Fig. 4 is to follow closely the structural representation of set in Fig. 1；
Fig. 5 is the structural representation of lock ring in Fig. 1；
Fig. 6 is the structural representation of anvil piece in Fig. 1；
Fig. 7 is the structural representation after Fig. 1 rivet installation.
Description of reference numerals：
1- core bars；11- limiting stands；12- lock ring grooves；13- cut-off neck slots；14- gripping sections；2- nail sets；21 deformation grooves；3- locks
Ring；31- step rings；4- anvil pieces；5- bodys；6- rings；7- parts to be installed.
Embodiment
Describe the invention in detail below with reference to the accompanying drawings.
The structure of the invention is as shown in figure 1, including core bar 1, nail set 2, lock ring 3, anvil piece 4 and body 5；The core bar
1 head is provided with limiting stand 11, and middle part is provided with cut-off neck slot 13 and the lock ring groove 12 for accommodating the lock ring 3, and afterbody is provided with
Gripping section 14；The lock ring groove 12 is located between the limiting stand 11 and cut-off neck slot 13；The nail set 2 and body 5 are set in institute
State on core bar 1, the afterbody of the body 5 can be spacing by the limiting stand 11 of the core bar 1, the afterbody of the nail set 2 can
It is spacing by the head of the body 5；The body 5 and nail set 2 be limited successively platform 11 it is spacing after, the cut-off neck slot 13 be located at institute
State inside nail set 2；The lock ring 3 is set on the lock ring groove 12 of core bar 1 and coordinated respectively with lock ring groove 12 and 2 gaps of nail set,
The lock ring 3 is made up of plastic deformable material；The anvil piece 4 is set on the core bar 1, and positioned at the court of the nail set 2
To the side of gripping section 14；The anvil piece 4 has the faying surface with the nail set 2 and lock ring 3 in axially direction.
Wherein, the body 5 is one section of deformable segments, can form deformation of cylindrical when mounted.
Wherein, the head of the body 5, which is provided with step annular groove, the step annular groove, is set with ring 6, the nail set 2
Afterbody successively decrease in external diameter taper, go deep on the inside of the ring on the head of ring 6 and spacing by the ring 6.The side of ring 6 one
Face can slow down the rubbing action between nail set 2 and body 5, prevent body excessive deformation；On the other hand lubrication is played, just
Smoothly enter when mounted in body 2 in nail set 2.
Wherein, the outer surface of the ring 6 and the inner surface of the step annular groove of body 5 are mutually fixed, the material of the ring 6
Material is preferably polyformaldehyde material.
Wherein, be provided with the lock ring groove 12 at least one step-like concavo-convex annular groove, the lock ring 3 be provided with it is described
The step ring 31 of step-like concavo-convex annular groove matching, it is spacing for making lock ring groove 12 preferably be carried out to lock ring 3, prevent lock ring 3
Deviate from lock ring groove 12.
Wherein, the lock ring groove 12 and cut-off neck slot 13 are provided adjacent to so that cut-off neck slot 13 can be with mounted piece after being broken
Surface is flushed.
Wherein, the head end of the nail set 2 is more than the deformation groove 21 of the external diameter of lock ring 3, the deformation groove provided with diameter
21 depth (width) is less than the width (height) of the lock ring 3, it is preferred that the depth (width) of the deformation groove 21 is less than institute
State the half of the width (height) of lock ring 3.It is described to deform the variant part that groove 21 be for receiving lock ring 3 in installation process
Point, lock ring 3 is filled up or be compacted at 2 gap near cut-off neck slot 13 of core bar 1 and nail set through deformation, coordinate lock ring groove 12 to improve
The stability of installation.
Wherein, the external diameter of the limiting stand 11 is identical with the external diameter of the afterbody of body 5, on the one hand keeps the mistake of outer surface
Cross and uniformity, on the one hand ensure the spacing reliability of limiting stand 11.
Wherein, the gripping section 14 is preferably made up of the afterbody of core bar 1 along the uniform some annular grooves of axle, can be more preferable
Ground is gripped with drawing device.
Wherein, the head of the nail set 2 is trapezoidal in what is expanded outwardly, on the one hand can expand the contact surface with anvil piece 4, carry
The transmission effect of high-tensile strength, the head strength reduction that the presence due to deforming groove 21 on the other hand can be avoided to cause, also a side
Face can form countersunk head plane on the surface of part 7 to be installed, it is to avoid install processus aboralis for the surface of part 7 to be installed.
Wherein, skewed slot is offered in the ring body of the lock ring 3, the lock ring 3 can be made up of Titanium.
The brief course of work of the present invention is as follows：
Mounted rivet is inserted in the mounting hole of part 7 to be installed from the head of core bar 1 first, gripped with hand riveter
The gripping section 14 of the afterbody of core bar 1, while another structure of stake props up anvil piece 4, makes the head steady of nail set 2 in mounting hole
In, drawing is carried out to core bar 1 using hand riveter, active force passes to the afterbody of body 5 by limiting stand 11, while following closely set 2
Afterbody also applies a force to the head of body 5, and the drawing with core bar 1 proceeds, and nail set 2 gradually gos deep into body 5
Portion, while gradually expansion forms bulge to body 5 under extruding force effect, while also by overlapping part between lock ring 3 and anvil piece 4
Interaction force is produced, causes lock ring 3 to be deformed, and is filled in deformation groove 21, locking effect is played.When completion locking
Afterwards, core bar 1 is broken at cut-off neck slot 13, completes riveting.
The preferred embodiment of the invention is the foregoing is only, creation is not intended to limit the invention, it is all at this
Within the spirit and principle of innovation and creation, any modification, equivalent substitution and improvements made etc. should be included in the invention
Protection domain within.
Claims (10)
1. a kind of self-plugging rivet, including core bar, nail set, lock ring, anvil piece and body；The head of the core bar is provided with limiting stand, in
Portion is provided with cut-off neck slot and the lock ring groove for accommodating the lock ring, and afterbody is provided with gripping section；The lock ring groove is located at the limit
Between position platform and cut-off neck slot；The nail set and body are set on the core bar, and the afterbody of the body can be by the core
The limiting stand of bar is spacing, and the afterbody of the nail set can be spacing by the head of the body；The body and nail set are limited successively
After position platform is spacing, it is internal that the cut-off neck slot is located at the nail set；The lock ring be set on the lock ring groove of core bar and respectively with lock
Annular groove and nail set gap coordinate, and the lock ring is made up of plastic deformable material；The anvil piece is set on the core bar, and position
In the side towards gripping section of the nail set；The anvil piece has and the nail set and lock ring in axially direction
Faying surface.
2. self-plugging rivet according to claim 1, it is characterised in that the body is one section of deformable segments.
3. self-plugging rivet according to claim 1, it is characterised in that the head of the body is provided with step annular groove, described
It is set with ring in step annular groove, taper that the afterbody of the nail set successively decreases in external diameter, gos deep on the inside of the ring on the ring head
And it is spacing by the ring.
4. self-plugging rivet according to claim 3, it is characterised in that the outer surface of the ring and the body step ring
The inner surface of groove is mutually fixed, and the material of the ring is preferably polyformaldehyde material.
5. self-plugging rivet according to claim 1, it is characterised in that step-like recessed provided with least one in the lock ring groove
Provided with the step ring matched with the step-like concavo-convex annular groove in convex annular groove, the lock ring.
6. self-plugging rivet according to claim 1, it is characterised in that the lock ring groove and cut-off neck slot are provided adjacent to.
7. self-plugging rivet according to claim 1, it is characterised in that the head end of the nail set is more than provided with diameter
The deformation groove of lock ring external diameter, the depth of the deformation groove is less than the width of the lock ring, it is preferred that the depth of the deformation groove is small
In the half of the width of the lock ring.
8. self-plugging rivet according to claim 1, it is characterised in that if the gripping section is by core bar afterbody uniform along axle
Dry annular groove is constituted.
9. self-plugging rivet according to claim 1, it is characterised in that the head of the nail set is trapezoidal in what is expanded outwardly.
10. self-plugging rivet according to claim 1, it is characterised in that skewed slot is offered in the ring body of the lock ring, described
Lock ring is made up of Titanium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710466615.7A CN107013545B (en) | 2017-06-16 | 2017-06-16 | Self-plugging rivet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710466615.7A CN107013545B (en) | 2017-06-16 | 2017-06-16 | Self-plugging rivet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107013545A true CN107013545A (en) | 2017-08-04 |
| CN107013545B CN107013545B (en) | 2021-03-09 |
Family
ID=59453157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710466615.7A Active CN107013545B (en) | 2017-06-16 | 2017-06-16 | Self-plugging rivet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107013545B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108591458A (en) * | 2018-06-26 | 2018-09-28 | 周焱春 | A kind of babinet orifice sealing rust-proofing method |
| CN108691868A (en) * | 2018-06-26 | 2018-10-23 | 周焱春 | A kind of self-locking type self-plugging rivet |
| CN110873107A (en) * | 2018-09-04 | 2020-03-10 | Lisi 航空 | Fastener with fracture groove screw, connecting piece and mounting method |
| CN112610582A (en) * | 2020-12-25 | 2021-04-06 | 航天精工股份有限公司 | Novel high locking self-plugging rivet |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030159387A1 (en) * | 2002-02-25 | 2003-08-28 | Soheil Eshraghi | Honeycomb rivet |
| CN201502599U (en) * | 2009-07-14 | 2010-06-09 | 贵州航天精工制造有限公司 | Mechanical self-locking self-plugging rivet |
| CN102767552A (en) * | 2012-08-06 | 2012-11-07 | 贵州航瑞科技有限公司 | Novel titanium alloy self-plugging rivet |
| CN204784052U (en) * | 2015-06-05 | 2015-11-18 | 浙江西子航空紧固件有限公司 | Modified screw thread self -plugging rivet |
| CN105351319A (en) * | 2015-12-04 | 2016-02-24 | 航天精工股份有限公司 | Pull rivet type self-plugging rivet |
| CN105545909A (en) * | 2016-02-18 | 2016-05-04 | 航天精工股份有限公司 | Core bar self-locking type blind rivet |
| CN105889255A (en) * | 2016-05-27 | 2016-08-24 | 航天精工股份有限公司 | Blind rivet with rubber sealing bush |
| CN207212887U (en) * | 2017-06-16 | 2018-04-10 | 航天精工股份有限公司 | A kind of self-plugging rivet |
-
2017
- 2017-06-16 CN CN201710466615.7A patent/CN107013545B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030159387A1 (en) * | 2002-02-25 | 2003-08-28 | Soheil Eshraghi | Honeycomb rivet |
| CN201502599U (en) * | 2009-07-14 | 2010-06-09 | 贵州航天精工制造有限公司 | Mechanical self-locking self-plugging rivet |
| CN102767552A (en) * | 2012-08-06 | 2012-11-07 | 贵州航瑞科技有限公司 | Novel titanium alloy self-plugging rivet |
| CN204784052U (en) * | 2015-06-05 | 2015-11-18 | 浙江西子航空紧固件有限公司 | Modified screw thread self -plugging rivet |
| CN105351319A (en) * | 2015-12-04 | 2016-02-24 | 航天精工股份有限公司 | Pull rivet type self-plugging rivet |
| CN105545909A (en) * | 2016-02-18 | 2016-05-04 | 航天精工股份有限公司 | Core bar self-locking type blind rivet |
| CN105889255A (en) * | 2016-05-27 | 2016-08-24 | 航天精工股份有限公司 | Blind rivet with rubber sealing bush |
| CN207212887U (en) * | 2017-06-16 | 2018-04-10 | 航天精工股份有限公司 | A kind of self-plugging rivet |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108591458A (en) * | 2018-06-26 | 2018-09-28 | 周焱春 | A kind of babinet orifice sealing rust-proofing method |
| CN108691868A (en) * | 2018-06-26 | 2018-10-23 | 周焱春 | A kind of self-locking type self-plugging rivet |
| CN108591458B (en) * | 2018-06-26 | 2019-08-13 | 绍兴市秀臻新能源科技有限公司 | A kind of cabinet orifice sealing rust-proofing method |
| CN110873107A (en) * | 2018-09-04 | 2020-03-10 | Lisi 航空 | Fastener with fracture groove screw, connecting piece and mounting method |
| CN112610582A (en) * | 2020-12-25 | 2021-04-06 | 航天精工股份有限公司 | Novel high locking self-plugging rivet |
| CN112610582B (en) * | 2020-12-25 | 2023-01-24 | 航天精工股份有限公司 | Novel high locking self-plugging rivet |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107013545B (en) | 2021-03-09 |
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