CN105889255B - A kind of self-plugging rivet with rubber seal bushing - Google Patents
A kind of self-plugging rivet with rubber seal bushing Download PDFInfo
- Publication number
- CN105889255B CN105889255B CN201610368212.4A CN201610368212A CN105889255B CN 105889255 B CN105889255 B CN 105889255B CN 201610368212 A CN201610368212 A CN 201610368212A CN 105889255 B CN105889255 B CN 105889255B
- Authority
- CN
- China
- Prior art keywords
- bushing
- core bar
- tail portion
- self
- locking hole
- 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.)
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- 239000007788 liquid Substances 0.000 claims abstract description 5
- 238000003860 storage Methods 0.000 claims abstract description 3
- 230000003247 decreasing effect Effects 0.000 claims description 4
- 238000005260 corrosion Methods 0.000 abstract description 7
- 230000007797 corrosion Effects 0.000 abstract description 7
- 238000007789 sealing Methods 0.000 abstract description 7
- 238000009434 installation Methods 0.000 description 12
- 238000010586 diagram Methods 0.000 description 6
- 238000005520 cutting process Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241000145637 Lepturus Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002184 metal Substances 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
- 125000006850 spacer group Chemical group 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
- Gasket Seals (AREA)
Abstract
The invention provides a kind of self-plugging rivet with rubber seal bushing, including：Core bar, one end are equipped with tail portion convex body, and middle part is equipped with cut-off neck slot；Bushing, it is set on the core bar, one end contacts with the tail portion convex body of the core bar and is limited by the tail portion convex body, the other end extends in the middle part of the core bar makes the cut-off neck slot be located at the bush inside, and being located in the middle part of the core bar for the bushing inwardly offers locking hole on the end face of one end；Lock ring, adjacent with the bushing to be set on the core bar, one end of the lock ring is goed deep into the locking hole, and the inner wall by forming the locking hole limits；Rubber sleeve, is continuously coated on except the tail portion convex body of the core bar and at least part of bushing periphery.The invention has the function of sealing corrosion, and the structure especially suitable for liquid storage space connects.
Description
Technical field
The invention belong to anchor design and manufacturing technology field more particularly to it is a kind of with rubber seal bushing can
Control threaded self-plugging rivet.
Background technology
The high-end equipment such as aerospace is in the design process, it is contemplated that the factor of volume and weight, in terms of structure design
What is be generally designed is more compact, these structural member connection installation spaces compact to design are all more narrow, plain bolt nut
Class fastener needs to carry out two-sided installation due to it, it is impossible to be competent at the installation requirement of these occasions.Therefore, in these installation spaces
More narrow, the occasion for being not easy to double-side operation generally all selects riveting.It is generally taken out in riveting method used in structural attachments
Core rivet, self-plugging rivet has the characteristics that light-weight, connection is more reliable, intensity is high, quick and easy for installation, in all kinds of aerospaces
It is widely applied on device.
The self-plugging rivet used at present can only be used in atmospheric environment mostly, since it does not have sealing corrosion function,
The structure connection of fluid memory space, such as the Oiltank structure part junction of certain space relatively narrowers cannot be used in.
Invention content
The invention is solution the problems of the prior art, provides a kind of self-plugging rivet with rubber seal bushing,
There is sealing corrosion, the structure especially suitable for liquid storage space connects.
The self-plugging rivet that the invention provides, including：
Core bar, one end are equipped with tail portion convex body, and middle part is equipped with cut-off neck slot；
Bushing is set on the core bar, and one end contacts with the tail portion convex body of the core bar and by the tail portion convex body
Limiting, the other end extends in the middle part of the core bar makes the cut-off neck slot be located at the bush inside, and the bushing is located at
In the middle part of the core bar locking hole is inwardly offered on the end face of one end；
Lock ring, adjacent with the bushing to be set on the core bar, one end of the lock ring is goed deep into the locking hole,
And the inner wall by forming the locking hole limits；
Rubber sleeve, is continuously coated on except the tail portion convex body of the core bar and at least part of bushing periphery.
Wherein, the locking hole is round table-like in successively decreasing from the inside internal diameter in end face.
Wherein, one end being located in the middle part of the core bar of the bushing has the outer round table-like head that end face is inwardly successively decreased without leave
Portion, the locking hole are located in the head.
Wherein, the bushing except the head sheath body portion include middle part sheath body portion and tail portion sheath body portion, the rubber
Set is coated on except the tail portion sheath body portion, and the thickness of the middle part sheath body portion is more than the thickness of the tail portion sheath body portion.It is excellent
Choosing, the outer diameter of the middle part sheath body portion is equal with the outer diameter of the rubber sleeve.
Wherein, on the core bar, locking slot, the locking slot are additionally provided between the tail portion convex body and the cut-off neck slot
With inside closing in, it can coordinate with the locking hole of the bushing and form the wedge shape space with round table-like channel.Preferably,
The locking slot is close or adjacent with the cut-off neck slot.
Wherein, on the core bar, the clamping machine for gripping is additionally provided on one end opposite with the tail portion convex body
Structure, the clamping device can be several concave rings, or the structures such as screw thread or symmetrically arranged twisting face.
Wherein, self-plugging rivet of the invention is also further provided with pushing bushing, adjacent with the lock ring to be set in the core
It on bar, contacts with each other with the end face of one end of the lock ring homonymy and the end face of the bushing, is also set in the pushing bushing
There are the concave station that the part do not goed deep into the locking hole with the lock ring matches, the sleeve body portion and structure for pushing bushing
Central spacer is cut by thin between the set portion of the concave station.Further, have to push in the middle part of the pushing bushing and close up, set
Body portion is made of closing in and the head segment of pushing.
The invention is simple in structure, the reliability of installation accuracy and installation is high, has the function of sealing corrosion, particularly suitable
It is connected in the structure of liquid (such as fluid) memory space.
Description of the drawings
Fig. 1 is a kind of overall structure diagram of embodiment of the invention；
Fig. 2 is the structure diagram of core bar in Fig. 1；
Fig. 3 is the partial enlarged view of circled portion in Fig. 2；
Fig. 4 is the structure diagram of bushing in Fig. 1；
Fig. 5 is the structure diagram of rubber sleeve in Fig. 1；
Fig. 6 is the structure diagram that bushing and lock ring are pushed in Fig. 1；
Fig. 7 is the structure diagram after the invention installation.
Wherein, 1- core bars；11- tail portions convex body；12- cut-off neck slots；13- locking slots；14- clamping devices；2- bushings；21- locks
Tieholen；22- heads；23- sheath body portions；Sheath body portion in the middle part of 231-；232- tail portions sheath body portion；3- lock rings；4- rubber sleeves；5- pushes lining
Set；51- sleeve body portions；511-, which is pushed, to close up；512- head segments；52- covers portion；53- concave stations；54- cuts ring.
Specific embodiment
The invention is further described below by with reference to attached drawing.
A kind of embodiment of the invention structure as shown in figures 1 to 6, including：
Core bar 1, one end are equipped with tail portion convex body 11, and middle part is equipped with cut-off neck slot 12；
Bushing 2 is set on the core bar 1, and one end (can be considered tail end) contacts with the tail portion convex body 11 of the core bar 1
And limited by the tail portion convex body 11, the middle part of the other end (can be considered head end) to the core bar 1, which extends to, makes the cut-off neck slot
12 are located inside the bushing 2, and the bushing 2 inwardly offers on the end face of described 1 middle part one end (head end) of core bar
Locking hole 21；
Lock ring 3, adjacent with the bushing 2 to be set on the core bar 1, the locking is goed deep into one end of the lock ring 3
In hole 21, and the inner wall by forming the locking hole 21 limits；
Rubber sleeve 4 is continuously coated at least one of except the tail portion convex body 11 of the core bar 1 and 2 periphery of bushing
Point.
Wherein, the rubber sleeve 4 is made of high molecular material, has good elasticity and corrosion resistance, Neng Gou
Play the role of effective sealing corrosion after installation.
Wherein, the locking hole 21 in successively decrease from the inside internal diameter in end face it is round table-like, be conducive to lock ring 3 limiting fixation and
Lock ring 3 deforms into during installation.
Wherein, one end for being located at 1 middle part of core bar of the bushing 2 there is outer end face without leave inwardly to successively decrease round table-like
Head 22, the locking hole 21 are located in the head 22.
Wherein, the bushing 2 except the head 22 sheath body portion 23 include middle part sheath body portion 231 and tail portion sheath body portion
232, the rubber sleeve 4 is coated on except the tail portion sheath body portion 232, and the thickness of the middle part sheath body portion 231 is more than described
The thickness of tail portion sheath body portion 232, on the one hand, the thicker middle part sheath body portion 231 is normally at when mounted in hole to be installed
Portion can play good supporting role, and on the other hand, the relatively thin tail portion sheath body portion 232 is when mounted in company with rubber sleeve 4
Together convenient for deforming upon, bulge is formed, plays fastening and sealing function.Preferably, the outer diameter of the middle part sheath body portion 231 with
The outer diameter of the rubber sleeve 4 is equal.
Wherein, on the core bar 1, locking slot 13, institute are additionally provided between the tail portion convex body 11 and the cut-off neck slot 12
Locking slot 13 is stated with inside closing in, can coordinate with the locking hole 21 of the bushing 2 and form the wedge with round table-like channel
Shape space, lock ring 3 deforms into the wedge shape space when being easily installed.Preferably, the locking slot 13 and the cut-off neck slot 12
It is close or adjacent.
Wherein, on the core bar 1, the clamping for gripping is additionally provided on one end opposite with the tail portion convex body 11
Mechanism 14, the clamping device 14 can be several concave rings as depicted, or screw thread or symmetrically arranged twisting face
Etc. structures.
Wherein, self-plugging rivet of the invention is also further provided with pushing bushing 5, it is adjacent with the lock ring 3 be set in it is described
On core bar 1, contact with each other with the end face of one end of 3 homonymy of lock ring and the end face of the bushing 2, the pushing bushing 5
The concave station 53 to match with the part do not goed deep into the locking hole 21 of the lock ring 3 is inside additionally provided with, the pushing bushing 5
It is spaced between sleeve body portion 51 and the set portion 52 for forming the concave station 53 by thin ring 54 of cutting.Further, it is described to push lining
It covers in the middle part of in the of 5 to have and pushes closing in 511, sleeve body portion 51 is made of the pushing closing in 511 and head segment 512, the pushing
Closing in 511 is convenient for applying to lock ring 3 when mounted or transmitting forces, the head segment 512 have the outer diameter of bigger, pacifying
Apply active force to it during dress convenient for external tools (such as riveting gun).
The brief course of work of the invention is to have assembled the invention according to suit mode as shown in Figure 1
Cheng Hou is inserted into the riveted holes of component to be riveted, and the head 22 of bushing 2 is made to push against the riveted holes aperture of component to be riveted.It uses
Auxiliary implement, such as riveting gun, grip the clamping device 14 of core bar 1, and the collet end face of riveting gun pushes against the set head for pushing bushing 5
Divide 512, later on riveting gun is started to work.Riveting gun clamps the opposite direction for pushing bushing 5 to clamping device 14 of core bar 1 and moves,
The power that the collet end face of riveting applies passes to bushing 2 by pushing bushing 5, and bushing 2 is in the tail portion for pushing bushing 5 and core bar 1
Under squeezing action between convex body 11, deformation of cylindrical occurs for position at weak step, and tail portion sheath body portion 232 is with being coated on it
On rubber sleeve 4 deform together, rubber sleeve 4 is tightly pressed on installation matrix surface by the deformation bulge of formation, and rubber sleeve 4 is therefore
Self-plugging rivet metal matrix material isolation after the liquid (such as fluid) of components interior to be riveted and installation can be come, risen
To the effect of sealing corrosion.Finally after forming, core bar 1 can not continue to move for bulge, at this time the lock of locking slot 13 and the bushing 2
The cooperation of tieholen 21 forms the wedge shape space with round table-like channel, and riveting gun, which pulls on, can will push against bushing 5 from the portion for cutting ring 54
Position is cut, and the sleeve body portion 51 that bushing 5 is pushed after cutting pushes lock ring 3 to be moved to wedge shape space, and final crimp is complete
Into wedge shape space.During pulling force on core bar 1 continues increase, more than core bar 1 cut-off neck slot 12 can bear force value when, core
Bar 1 will be broken from cut-off neck slot 12, and nubbin is detached with entering the riveting portion in riveted holes aperture after fracture, so as to complete to rivet
Locking process (Fig. 7).
The foregoing is merely the preferred embodiments of the invention, are not intended to limit the invention creation, all at this
Within the spirit and principle of innovation and creation, any modification, equivalent replacement, improvement and so on should be included in the invention
Protection domain within.
Claims (7)
1. a kind of self-plugging rivet of narrow connection space suitable for aerospace liquid storage space, including：
Core bar, one end are equipped with tail portion convex body, and middle part is equipped with cut-off neck slot；
Bushing is set on the core bar, and one end contacts with the tail portion convex body of the core bar and limited by the tail portion convex body,
The other end extends in the middle part of the core bar makes the cut-off neck slot be located at the bush inside, the end face of the head end of the bushing
On inwardly offer locking hole；
Locking slot, between the tail portion convex body and the cut-off neck slot on the core bar, the locking slot has inside
It closes up, can coordinate with the locking hole of the bushing and form the wedge shape space with round table-like channel；
Lock ring, adjacent with the bushing to be set on the core bar, one end of the lock ring is goed deep into the locking hole, and by
Form the inner wall limiting of the locking hole；
Rubber sleeve, is continuously coated on except the tail portion convex body of the core bar and at least part of bushing periphery；
Push bushing, adjacent with the lock ring to be set on the core bar, end face and institute with one end of the lock ring homonymy
The end face for stating bushing contacts with each other, described to push the part do not goed deep into the locking hole being additionally provided in bushing with the lock ring
The concave station to match cuts interannular between the sleeve body portion for pushing bushing and the set portion for forming the concave station by thin
Every；Have to push in the middle part of the pushing bushing and close up, sleeve body portion is closed up by the pushing and head segment is formed.
2. self-plugging rivet according to claim 1, which is characterized in that the locking hole is in what is successively decreased from the inside internal diameter in end face
It is round table-like.
3. self-plugging rivet according to claim 1, which is characterized in that one end of the head end of the bushing has holds without leave outside
The inward-facing round table-like head successively decreased, the locking hole are located in the head.
4. self-plugging rivet according to claim 1, which is characterized in that the bushing further includes middle part sheath body portion and tail portion
Sheath body portion, the rubber sleeve are coated on except the tail portion sheath body portion, and the thickness of the middle part sheath body portion is more than the tail portion
The thickness of sheath body portion.
5. self-plugging rivet according to claim 4, which is characterized in that the outer diameter of the middle part sheath body portion and the rubber sleeve
Outer diameter it is equal.
6. self-plugging rivet according to claim 1, which is characterized in that the locking slot is abutted with the cut-off neck slot.
7. self-plugging rivet according to claim 1, which is characterized in that on the core bar, also set on one end of head end
There is the clamping device that can be gripped by riveting gun.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610368212.4A CN105889255B (en) | 2016-05-27 | 2016-05-27 | A kind of self-plugging rivet with rubber seal bushing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610368212.4A CN105889255B (en) | 2016-05-27 | 2016-05-27 | A kind of self-plugging rivet with rubber seal bushing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105889255A CN105889255A (en) | 2016-08-24 |
| CN105889255B true CN105889255B (en) | 2018-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610368212.4A Active CN105889255B (en) | 2016-05-27 | 2016-05-27 | A kind of self-plugging rivet with rubber seal bushing |
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| Country | Link |
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| CN (1) | CN105889255B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107061456A (en) * | 2017-06-16 | 2017-08-18 | 航天精工股份有限公司 | A kind of high-clamping force Self-locking blind rivet |
| CN107061459A (en) * | 2017-06-16 | 2017-08-18 | 航天精工股份有限公司 | A kind of lock ring internally-arranged type self-plugging rivet |
| CN107013545B (en) * | 2017-06-16 | 2021-03-09 | 航天精工股份有限公司 | Self-plugging rivet |
| CN108150505A (en) * | 2017-12-28 | 2018-06-12 | 苏州航太机械科技有限公司 | A kind of Anti-scratching self-plugging rivet |
| CN110541876B (en) * | 2019-08-27 | 2021-04-30 | 航天精工股份有限公司 | Sealed self-plugging rivet |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1670385A (en) * | 2005-04-12 | 2005-09-21 | 李惠元 | Anti-shock, anti-seepage, sealed folding type self plugging rivet |
| JP2011517751A (en) * | 2008-04-02 | 2011-06-16 | モノグラム・エアロスペース・ファスナーズ・インコーポレーテッド | Coplanar mounting blind fastener |
| CN201991898U (en) * | 2011-01-24 | 2011-09-28 | 上海安字实业有限公司 | Closed single-drum type self-plugging rivet |
| CN202690645U (en) * | 2012-08-06 | 2013-01-23 | 贵州航瑞科技有限公司 | Novel titanium-alloy core-pulling rivet |
| CN203321996U (en) * | 2013-06-25 | 2013-12-04 | 贵州航天精工制造有限公司 | Blind 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 |
-
2016
- 2016-05-27 CN CN201610368212.4A patent/CN105889255B/en active Active
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| Publication number | Publication date |
|---|---|
| CN105889255A (en) | 2016-08-24 |
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