CN109210056A - rivet - Google Patents
rivet Download PDFInfo
- Publication number
- CN109210056A CN109210056A CN201810714584.7A CN201810714584A CN109210056A CN 109210056 A CN109210056 A CN 109210056A CN 201810714584 A CN201810714584 A CN 201810714584A CN 109210056 A CN109210056 A CN 109210056A
- Authority
- CN
- China
- Prior art keywords
- axle portion
- hole
- rivet
- diameter
- axle
- 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
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 abstract description 76
- 239000010959 steel Substances 0.000 abstract description 76
- 230000015572 biosynthetic process Effects 0.000 abstract description 4
- 230000002401 inhibitory effect Effects 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 47
- 238000000034 method Methods 0.000 description 6
- 238000000465 moulding Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 238000003754 machining 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
- F16B19/06—Solid rivets made in one piece
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Connection Of Plates (AREA)
- Insertion Pins And Rivets (AREA)
Abstract
A kind of rivet, the plus-pressure of inhibiting effect simultaneously fill the axle portion of rivet (1) (11,12) and the gap (S) of the inner circumferential of through hole (81,91).The rivet (1) includes the axle portion (11,12) being inserted into the through hole (81,91) as the plate steel (8,9) of object of connection object；Than through hole (81, 91) the big formation of outer diameter D 1 of internal diameter, and by axle portion (11, 12) it is inserted into through hole (81, 91) when, with through hole (81, 91) large-diameter portion (13) that periphery abuts, axle portion (11, 12) in the axle portion (11, 12) it is compressed in central axis X-direction, by axle portion (11, 12) the slave through hole (81 in, 82) region (riveting region) riveting outstanding, wherein, axle portion (12), which is located at least in the region in through hole (91), to be had in central axis X-direction with towards large-diameter portion (13), the shape that outer diameter becomes larger.
Description
Technical field
The present invention relates to rivets.
Background technique
The rivet for the mutual engagement of plate is disclosed in patent document 1.
Patent document 1:(Japan) Japanese Laid-Open Patent Publication 10-061628 bulletin
The head that the rivet of patent document 1 has outer diameter bigger than axle portion in one end of the length direction of axle portion.
It is carried out using the engagement of two plates of the rivet with following sequence.
(a) to two plates with through hole, two plates are overlapped by the aligned in position of through hole.
(b) axle portion of rivet is inserted into through hole, is connected to the head of rivet on one plate.
(c) it is held using a pair of of molding snap set from the head of the surface of plate rivet outstanding and from another plate
Surface rivet outstanding axle portion.
(d) using rivet by a pair of molding snap set pressurize in a direction close to each other and by the another side riveting of axle portion
It connects.
Two plates are interconnected between the material and head for the axle portion being plastically deformed as a result,.
Here, when by rivet, riveting that the gap of the inner circumferential of the axle portion and through hole of rivet is plastically deformed
The material of nail fills.
At this point, compared to the one end with head, another side is larger plastically deformed for rivet, so
The gap of the inner circumferential of the axle portion and through hole of rivet has the tendency being landfilled from the another side of axle portion.
Therefore, in order to substantially seamlessly fill the gap of the axle portion of rivet and the inner circumferential of through hole, need to increase work
Plus-pressure (loading) for a pair of of molding snap set.
But if plus-pressure increases, the plus-pressure acted on around the through hole in plate is also become larger.It can as a result, having
It can be cracked in the through hole peripheral region in plate.
Summary of the invention
Therefore, it is intended that the plus-pressure of inhibiting effect, and the gap of the axle portion of rivet and the inner circumferential of through hole is filled.
The rivet of one aspect of the present invention, comprising:
Axle portion is inserted into the through hole of object of connection object；
Large-diameter portion is formed with the outer diameter bigger than the internal diameter of the through hole, and will passed through described in axle portion insertion
When through-hole, abutted with the periphery of the through hole,
The axle portion is compressed in the axial direction of the axle portion, by the axle portion from through hole region riveting outstanding
It connects, which is characterized in that
The axle portion, which is located at least in the region in the through hole, to be had in the axial direction with towards the large-diameter portion,
The shape that outer diameter becomes larger.
According to the present invention, the region being located in through hole in axle portion is far from from through hole region outstanding and close to major diameter
Portion, therewith, the gap turn narrow with the inner circumferential of through hole.
Therefore, the initial stage small in the degree of hypertrophyization is crimped on the axle portion of hypertrophyization close big in through hole
The inner circumferential in the region in diameter portion can fill the periphery of axle portion and the gap of the inner circumferential of through hole.
The region being located in through hole in axle portion is only close from through hole area side outstanding as a result, so with pressure
It connects and is compared in the case where inner circumferential of through hole, while it is desirable to be filled the periphery of axle portion and the gap of the inner circumferential of through hole, but can
Plus-pressure, the plus-pressure of inhibiting effect are reduced, and the gap of the axle portion of rivet and the inner circumferential of through hole is filled.
Detailed description of the invention
Fig. 1 (a), (b) are the figures for illustrating the rivet in embodiment；
Fig. 2 (a), (b) are the enlarged view of the main part of the rivet in embodiment；
Fig. 3 (a)~(d) is to illustrate that a pair of plate-shaped steel use the figure of the connection process of rivet；
Fig. 4 (a)~(h) is the figure for illustrating the effect of the rivet in embodiment；
Fig. 5 (a)~(c) is the figure for illustrating the effect of the rivet in comparative example；
Fig. 6 (a)~(c) is the figure for illustrating the effect of the rivet in variation.
Description of symbols
1: rivet
11,12: axle portion
11A, 12A: caulking part
11a, 12a: front end
121: same-diameter portion
122: wide diameter portion
13: large-diameter portion
13a: one end
13b: the other end
131: recess portion
132: flat part
3,4: molding snap set
8: plate steel
81: through hole
9: plate steel
91: through hole
Im: imaginary circle
Ln: imaginary line
Lm: imaginary line
M (Ma, Mb, Mc): material
P: boundary
S: gap
X: central axis
Specific embodiment
Hereinafter, embodiments of the present invention will be described.
Fig. 1 is the figure for illustrating the rivet 1 in embodiment.Fig. 1 (a) be along the sectional view of central axis X cutting rivet 1,
Fig. 1 (b) is the sectional view for indicating the state being inserted into 1 axle portion 11,12 of rivet in the through hole 81,91 of plate steel 8,9.
Fig. 2 is the enlarged view of the main part of rivet 1.Fig. 2 (a) is the figure for amplifying 12 side of axle portion of rivet 1, and Fig. 2 (b) is
The figure that will amplify around the boundary P of the axle portion 12 of rivet 1 and large-diameter portion 13.In addition, indicating plate steel by imaginary line in Fig. 2
A part of material 9.
As shown in Figure 1, the rivet 1 of present embodiment is used for a pair of plate-shaped steel 8,9 in the central axis side X of rivet 1
The state at spaced up interval links.
Rivet 1 have the axle portion 11 being inserted in the through hole 81,91 of the setting of plate steel 8,9,12, these axle portions 11,
Large-diameter portion 13 between 12.
During axle portion 11, large-diameter portion 13, axle portion 12 arranged in series on the central axis X of rivet 1, axle portion 11 and axle portion 12 are located at
The two sides of large-diameter portion 13 in mandrel X-direction.
These axle portions 11,12 and large-diameter portion 13 are integrally formed by same material.
Large-diameter portion 13 formed it is generally cylindrical shaped, large-diameter portion 13 spread central axis X-direction substantially overall length, than axle portion
11, the 12 big formation of outer diameter D 1.Large-diameter portion 13 has specific length h1 in central axis X-direction.
Large-diameter portion 13 is set to the outer diameter D 1 bigger than the internal diameter of the through hole 81,91 of plate steel 8,9.
Therefore, if the axle portion 11 of rivet 1 and axle portion 12 are inserted into the through hole 81,91 of plate steel 8,9, large-diameter portion
13 one end 13a and other end 13b is connected to the week of the encirclement through hole 81,91 of plate steel 8,9 from central axis X-direction respectively
On edge.
Axle portion 11 also formed it is generally cylindrical shaped, axle portion 11 spread central axis X-direction substantially overall length, than through hole 81
Internal diameter it is slightly smaller outer diameter D 2 formation.
The central axial length L1 of axle portion 11 is longer than with the comparable length of the thickness W1 of plate steel 8.
Therefore, if the axle portion 11 of rivet 1 is inserted into the through hole 81 of plate steel 8, axle portion 11 penetrates through plate steel 8
Through hole 81 and by front end 11a configure in the position for leaving plate steel 8.
The region outstanding of slave plate steel 8 of the axle portion 11 becomes the region compared with large plastometric set when riveting rivet 1
(riveting region).
Axle portion 12 also formed it is generally cylindrical shaped, the length L2 of the central axis X-direction of the axle portion 12 than with plate steel 9
The comparable length of thickness W2 is long.
In the present embodiment, the thickness of interconnected plate steel 8,9 is different, has the perforation being inserted into for axle portion 12
The plate steel 9 in hole 91 are thicker than the thickness of above-mentioned plate steel 8.
Therefore, in rivet 1, the length L1 long of the length L2 of the axle portion 12 of a side than the axle portion 11 of another party.
The length L2 of the central axis X-direction of axle portion 12 is longer than with the comparable length of the thickness W2 of plate steel 9.
Therefore, if the axle portion 12 of rivet 1 to be inserted into the through hole 91 of plate steel 9, axle portion 12 penetrates through plate steel 9
Through hole 91 and by front end 12a configure in the position for leaving plate steel 9.
The region outstanding of slave plate steel 9 in the axle portion 12 becomes the area compared with large plastometric set when riveting rivet 1
Domain (riveting region).
Under section observation, the region being located at least in through hole 91 of axle portion 12 is with towards large-diameter portion 13, outer diameter
The shape to become larger is formed.
As shown in Fig. 2 (a), in the present embodiment, axle portion 12 91 from front end 12a to through hole near range R1 become
The same-diameter portion 121 formed with same outer diameter D 2.
Moreover, nearby become from through hole 91 to the range R2 of large-diameter portion 13, with close to large-diameter portion 13, what outer diameter became larger
Wide diameter portion 122.
In addition, the boundary P (referring to Fig. 2 (a)) of wide diameter portion 122 and large-diameter portion 13 becomes bigger than same-diameter portion 121 and compares major diameter
The small outer diameter D 3 in portion 13.
As shown in Fig. 2 (b), the periphery 122a of the wide diameter portion 122 under section observation is formed as the straight line along imaginary line Ln
Shape.Imaginary line Ln tilts predetermined angular θ relative to the imaginary line Lm of the periphery 121a along same-diameter portion 121.In addition, imaginary line
Lm is parallel with the central axis X of rivet 1.
In the boundary P with wide diameter portion 122 of large-diameter portion 13, equipped with the recess portion being recessed on the direction for leaving wide diameter portion 122
131。
The recess portion 131 is formed from the boundary P on imaginary line Ln with wide diameter portion 122 along imaginary circle Im arcuation.At this
In embodiment, the tangent line of imaginary circle Im becomes the imaginary line Ln of the periphery 122a along wide diameter portion 122, imaginary line Ln and vacation
Think that the intersection point of round Im is located on the boundary P of wide diameter portion 122 and large-diameter portion 13.
In large-diameter portion 13, the flat part 132 orthogonal with the central axis X of rivet 1 is equipped in the radial outside of recess portion 131.It should
Flat part 132 is located at the radial outside of the boundary P of wide diameter portion 122 and large-diameter portion 13, with the periphery 121a's along same-diameter portion 121
Imaginary line Lm is orthogonal.
Flat part 132 is radially formed central axis X's (imaginary line Lm) with regulation wide cut Wx, in the flat part 132
Outside diameter implements arc machining (R processing) with the shape to become larger with the radial width towards outside diameter, large-diameter portion 13.
Hereinafter, illustrating the process for linking the different a pair of plate-shaped steel 8,9 of thickness using the rivet 1 of present embodiment.
Fig. 3 is the figure for the process that explanation is linked a pair of plate-shaped steel 8,9 using rivet 1.
Fig. 3 (a) is the figure of the state before indicating to be plastically deformed the axle portion 11,12 of rivet 1 (before riveting).Fig. 3 (b), (c)
It is the figure for indicating that the axle portion 11,12 of rivet 1 is made to be plastically deformed state on the way.Fig. 3 (d) is the axle portion 11,12 for indicating rivet 1
Plastic deformation terminates, the figure for the state that plate steel 8,9 are completed based on the connection of rivet 1.
Fig. 4 is the state for illustrating the inner circumferential and axle portion 11, the gap S of 12 peripheries of the through hole 81,91 of plate steel 8,9
Figure.
Fig. 4 (a), (b) are the figures of the state before indicating to be plastically deformed axle portion 11,12 (before riveting).
Fig. 4 (c), (d), (e), (f) are the figures for indicating to make the state of the plastic deformation of axle portion 11,12 on the way.
Fig. 4 (g), (h) are to indicate that the plastic deformation of axle portion 11,12 terminates, and 8,9 connection based on rivet 1 of plate steel is complete
At at the time of state figure.
In addition, indicating the plastic deformation for passing through axle portion 11,12, through hole 81,91 using the hacures of intersection in Fig. 4
Inner circumferential and axle portion 11, the axle portion 11,12 that is plastically deformed of gap of 12 peripheries material M (Ma, Mb) landfill area
Domain.
Fig. 5 is figure the case where illustrating the rivet 1A in comparative example.
Fig. 5 (a) is that explanation will with the rivet 1A that same outer diameter D2 is formed throughout the overall length of central axis X-direction using axle portion 12
The figure for the case where plate steel 8,9 link.
Fig. 5 (b) is the enlarged drawing of the region A of Fig. 5 (a), and Fig. 5 (c) is the enlarged drawing of the region B in Fig. 5 (a).
In addition, in Fig. 5 (b), (c), in order to illustrate the perforation for making the plate steel 8,9 after the plastic deformation of axle portion 11,12
The state of the gap S of the periphery of the inner circumferential and axle portion 11,12 in hole 81,91, will exaggerate around the S of gap and is showed schematically.
Fig. 6 is figure the case where illustrating the rivet 1B in variation.
Fig. 6 (a) is illustrated plate using the rivet 1B in wide diameter portion 122 and the not set recess portion of boundary P of large-diameter portion 13
The figure for the case where steel 8,9 link.
Fig. 6 (b) is the enlarged drawing of the region A in Fig. 6 (a), and Fig. 6 (c) is the enlarged drawing of the region B in Fig. 6 (a).
In addition, in Fig. 6 (b), (c), in order to illustrate the perforation for making the plate steel 8,9 after the plastic deformation of axle portion 11,12
The state of the gap S of the periphery of the inner circumferential and axle portion 12 in hole 81 will be exaggerated around the S of gap and be showed schematically.
In addition, the axle portion 12 of rivet 1B is made of in the same manner as above-mentioned rivet 1 same-diameter portion 121 and wide diameter portion 122.
As shown in figure 3, two plate steel 8,9 are carried out in the following order using the connection of rivet 1.
(I) in the alignment of through hole 81,91 by rivet 1 after configuration that plate steel 8,9 are parallel to each other, by rivet 1
Axle portion 11,12 be inserted into through hole 81,91 respectively, the large-diameter portion 13 of rivet 1 is held into (the reference between plate steel 8,9
Fig. 3 (a)).
In this state, plate steel 8,9 separate the length h1 of large-diameter portion 13 so in the central axis X-direction of rivet 1
It configures greatly.
(II) 11 and of axle portion from the surface of plate steel 8 rivet 1 outstanding is held using a pair of of molding snap set 3,4
From the axle portion 12 of the surface of plate steel 9 rivet 1 outstanding (referring to Fig. 3 (a)).
(III) it is pressurizeed in a direction close to each other using rivet (not shown) to a pair of molding snap set 3,4, makes axle portion
11, the 12 front end side 11a, 12a (riveting region) plastic deformation (referring to Fig. 3 (b), (c)).
(IV) plate steel 8,9 are held in caulking part 11A, 12A for being plastically deformed and major diameter by axle portion 11,12
It is by rivet 1 that a pair of plate-shaped steel 8,9 are interconnected (referring to Fig. 3 (d)) between portion 13.
Here, the axle portion 11,12 of rivet 1 forms snap set in a pair when being linked plate steel 8,9 using rivet 1
3, it between 4, is compressed in central axis X-direction.
Then, the slave through hole 81 in axle portion 11,12,91 region (riveting region) quilts in central axis X-direction outstanding
Compression, and the hypertrophyization extremely outer diameter bigger than the internal diameter of through hole 81,91 in being radially substantially plastically deformed for central axis X
(referring to Fig. 3 (b), (c)).
Parallel with the hypertrophyization of axle portion 11 as a result, the material of the axle portion 11 after plastic deformation is embedded in central axis X-direction
The through hole 81 of plate steel 8 (referring to Fig. 4 (c)).
Moreover, the progress of the plastic deformation with axle portion 11, in the gap S of the inner circumferential of the periphery and through hole 81 of axle portion 11
The material M (referring to Fig. 4 (e)) of axle portion 11 after filling plastic deformation, finally, the inner circumferential of the periphery and through hole 81 of axle portion 11
The material M filling for the axle portion 11 that gap S is plastically deformed (referring to Fig. 4 (g)).
In addition, being crimped on plate steel from central axis X-direction by the caulking part 11A that the material of the axle portion 11 of hypertrophyization is formed
The material for the axle portion 11 that the gap on the surface of the periphery of the through hole 81 in 8, caulking part 11A and plate steel 8 is also plastically deformed
Expect Mc filling (referring to Fig. 4 (g)).
On the other hand, parallel with the hypertrophyization of axle portion 12, the material Ma of the axle portion 12 after plastic deformation is in central axis X-direction
On be pressed into the through holes 91 (referring to Fig. 4 (d)) of plate steel 9.
The thickness W2 of the plate steel 9 of present embodiment (referring to Fig.1) thicker than the thickness W1 of plate steel 8.
Therefore, the outer diameter D 2 of axle portion 12 throughout central axis X-direction overall length and rivet identical with the outer diameter D of axle portion 11 2
In the case where 1A (referring to Fig. 5), if the amount of plastic deformation (decrement) of axle portion 11 and axle portion 12 in central axis X-direction is identical,
Then there is following problem.
When the material for the axle portion 11 that the gap S of the inner circumferential of the periphery and through hole 81 of axle portion 11 is plastically deformed is clogged
It carves, the gap S of the inner circumferential of the periphery and through hole 91 of axle portion 12 becomes the front end side 12a of only axle portion 12 (under central axis X-direction
Side) state (referring to Fig. 5 (b), (c)) of the material Ma filling of axle portion 12 that is plastically deformed.
This is because if axle portion 11 and 12 amount of plastic deformation of axle portion (decrement) in central axis X-direction are identical, from axis
The amount of the material of the front end side the 11a intrusion gap S in portion 11 and the amount of the material from the front end side 12a of axle portion 12 intrusion gap S are big
It causes identical.
That is, can not throughout central axis X-direction overall length by plastic deformation axle portion 12 material by the periphery of axle portion 12
It is clogged with the gap S of the inner circumferential of through hole 91.
Here, being located at the wide diameter portion 122 in through hole 91 in same diameter if axle portion 12 is compressed in central axis X-direction
It is compressed between portion 121 and large-diameter portion 13, the material for constituting wide diameter portion 122 is moved to by the direction of the enlarged outside diameter of wide diameter portion 122
Dynamic (referring to Fig. 4 (d)).
That is, being plastically deformed in whole generate of wide diameter portion 122.
In addition, the amount of movement of material of the amount of movement than constituting same-diameter portion 121 of the material of composition wide diameter portion 122 at this time
It is small.
In the present embodiment, by the wide diameter portion 122 being located in through hole 91 in axle portion 12 with close to large-diameter portion
13, the shape that outer diameter becomes larger is formed, with close to large-diameter portion 13, between the periphery of wide diameter portion 122 and the inner circumferential of through hole 91
Gap S constriction (referring to Fig. 2 (b)).
Therefore, at the time of the material Ma for the same-diameter portion 121 being plastically deformed invades gap S from the front end side 12a, to
The material Mb for the wide diameter portion 122 that the direction of expanded outer diameter is plastically deformed also still is crimped on the inner circumferential (reference of through hole 91
Fig. 4 (d)).
That is, the angle of the crossing, that is, angle of the periphery 121a of the periphery 122a and same-diameter portion 121 of the wide diameter portion 122 under section observation
θ (referring to Fig. 2 (b)) is set as the inner circumferential that wide diameter portion 122 is crimped on through hole 91 from the part of the material Mb in the wide diameter portion 122
Angle.
In addition, setting outer diameter D 2, wide diameter portion 122 and the large-diameter portion 13 of the same-diameter portion 121 in axle portion 11 in such a way
The outer diameter D 3 of boundary P, same-diameter portion 121 and wide diameter portion 122 position, in the material for the same-diameter portion 121 being plastically deformed
At the time of expecting that Ma invades gap S from the front end side 12a, the material Mb of wide diameter portion 122 is also still crimped on the inner circumferential of through hole 91.
If being as a result, plastically deformed axle portion 12, the gap S of the inner circumferential of the periphery and through hole 91 of axle portion 12 is from axle portion 12
The front end side 12a and the axle portion 12 that is plastically deformed of the 13 side position Liang Ge of large-diameter portion material landfill.
Moreover, the periphery of axle portion 12 is occurred with the gap S of the inner circumferential of through hole 91 when the plastic deformation of axle portion 12 carries out
The region of material Ma, Mb landfill of the axle portion 12 of plastic deformation expands in central axis X-direction (reference Fig. 4 (f)).
In this process, between the material Ma of plastic deformation and material Mb, air in space is by from being plastically deformed
Metal material Ma and material Mb and the inner circumferential of through hole 91 between existing countless minimum gaps discharges.
Therefore, finally, the gap S of the inner circumferential of the periphery of axle portion 12 and through hole 91 is throughout the substantially complete of central axis X-direction
Material M (Ma, Mb) filling that is long, being plastically deformed (referring to Fig. 4 (h)).
In addition, the caulking part 12A formed by the material of hypertrophyization is crimped on the perforation of plate steel 8 from central axis X-direction
The material for the axle portion 12 that the gap on the surface of the peripheral part in hole 81, caulking part 12A and plate steel 8 is also plastically deformed
Filling (referring to Fig. 4 (h)).
Here, being equipped with recess portion 131 in the boundary P of wide diameter portion 122 and large-diameter portion 13 in the rivet 1 of present embodiment.Cause
This is at the time of the material Ma for the same-diameter portion 121 being plastically deformed invades gap S from the front end side 12a from boundary P
The flat part 132 of the position deviated to outer diameter side is crimped on the periphery of the through hole 91 of plate steel 9.
Therefore, it is crimped with the progress of the plastic deformation of axle portion 12, the flat part 132 of large-diameter portion 13 and plate steel 9
Region is extended in the side of diameter radially inward of central axis X and outside diameter.
Form the completion moment of caulking part 12A in the plastic deformation based on axle portion 12 as a result, flat part 132 spread compared with
It is crimped on plate steel 9 on a large scale.
In addition, in this process, air in recess portion 131 is mainly by from the metal material Mc and plate in plastic deformation
Existing countless small gap discharges between shape steel 9.
Therefore, radial expansion from the region that the flat part 132 of large-diameter portion 13 and plate steel 9 crimp to central axis X not
It is hindered by the air in recess portion 131.
In this regard, the case where the boundary P of wide diameter portion 122 and large-diameter portion 13 is not provided with rivet 1B (referring to Fig. 6) of recess portion 131
Under, at the time of the material Ma for the same-diameter portion 12 1 being plastically deformed invades gap S from the front end side 12a, around the P of boundary
Region is crimped on the periphery of the through hole 91 of plate steel 9.
Therefore, the material Mc gap S of the central axis X-direction of large-diameter portion 13 and plate steel 9 filled is with axle portion 12
Plastic deformation progress, extended outward from boundary P radially.
The completion moment for forming caulking part 12A in the plastic deformation based on axle portion 12 as a result, in the outer diameter of large-diameter portion 13
The gap S that side residual is not filled by material.
As described above in the present embodiment, since the boundary P in wide diameter portion 122 and large-diameter portion 13 is equipped with recess portion 131, therefore
And the region that the flat part 132 of large-diameter portion 13 and plate steel 9 initially crimp become positioned away from from boundary P to outside diameter
(referring to Fig. 4 (d)).
Therefore, it is crimped with the progress of the plastic deformation of axle portion 12, the flat part 132 of large-diameter portion 13 and plate steel 9
Region is in central axis X radially from positioning away from from boundary P to outside diameter to internal side diameter and outside diameter extension.
Therefore, the completion moment that caulking part 12A is formed in the plastic deformation based on axle portion 12, in the outer diameter of large-diameter portion 13
Side, the gap S not filled by material not residual (reference Fig. 4 (h)) on a large scale.
More than, in embodiments,
(1) rivet 1 includes
Axle portion 11,12 is inserted into the through hole 81,91 as the plate steel 8,9 of object of connection object；
Large-diameter portion 13 is formed with the outer diameter D 1 bigger than the internal diameter of through hole 81,91, and is inserted by axle portion 11,12
When through hole 81,91, it is connected to the periphery of through hole 81,91,
Axle portion 11,12 compressed in the central axis X-direction (axial direction) of the axle portion 11,12, by axle portion 11,12 from perforation
Hole 81,91 region (riveting region) rivetings outstanding, wherein
The region of axle portion 12 being located at least in through hole 91 has in central axis X-direction with towards large-diameter portion 13,
The shape that outer diameter becomes larger.
If axle portion 11,12 is compressed in central axis X-direction, slave through hole 81,91 regions outstanding in axle portion 11,12
Radially substantially hypertrophyization of (riveting region) in central axis X, formation caulking part 11A, 12A.
When riveting the axle portion 11,12, the region being located in through hole 81,91 in axle portion 11,12 is also radially
Hypertrophyization and so that outer diameter is become larger, but closer to from through hole 81,91 regions (riveting region) outstanding, be located at through hole 81,91
The hypertrophyization in interior region is more in progress.Moreover, the degree of hypertrophyization is also closer to getting over from through hole 81,91 regions outstanding
Greatly.
As above-mentioned composition makes and passes through with leaving from the region outstanding of slave through hole 91 (riveting region) in axle portion 12
The gap S of the inner circumferential of through-hole 91 is narrower.Therefore, the initial stage small in the degree of hypertrophyization keeps the axle portion 12 of hypertrophyization (expanding
Portion 122) it is crimped on the inner circumferential in the region close to large-diameter portion 13 in through hole 91, it can be by the periphery of axle portion 12 and through hole 91
Inner circumferential gap S landfill.
Rivet 1 in embodiment has composition below.
(2) in large-diameter portion 13, recessed equipped with being recessed in central axis X-direction with the boundary P of axle portion 12 (wide diameter portion 122)
Portion 131.
From central axis X-direction, the flat part abutted with the periphery of through hole 91 is equipped in the outside diameter of recess portion 131
132。
When constituting in this wise, in the material Ma the past for the axle portion 12 (same-diameter portion 121: riveting region) being plastically deformed
At the time of holding the side 12a intrusion gap S, plate steel are crimped in the flat part 132 positioned away from from boundary P to outside diameter
The periphery of 9 through hole 91.
Moreover, what the progress of the plastic deformation with axle portion 12, the flat part 132 of large-diameter portion 13 and plate steel 9 crimped
Region is extended in the side of diameter radially inward of central axis X and outside diameter.
Form the completion moment of caulking part 12A in the plastic deformation based on axle portion 12 as a result, flat part 132 spread compared with
It is crimped on plate steel 9 on a large scale.
As a result, due to that can ensure the large-diameter portion 13 radially of central axis X and the crimping surplus of plate steel 9, so
It can suitably prevent the rivet 1 after riveting in the radially shaking of central axis X.
Rivet 1 in embodiment has following composition.
(3) axle portion 12, large-diameter portion 13 in 11 centrally disposed axis X-directions side and the other side.
Axle portion 12 set on side is as, towards large-diameter portion 13, the shape that outer diameter becomes larger is formed in central axis X-direction.
Axle portion 11 set on the other side throughout the shape that the overall length of central axis X-direction is roughly the same outer diameter D 2 to form.
Plate steel 8 have the through hole 81 being inserted into for axle portion 11.
Plate steel 9 have the through hole 91 being inserted into for axle portion 12.
The thickness W2 of the central axis X-direction of plate steel 9 is (W2 > thicker than the thickness W1 of the central axis X-direction of plate steel 8
W1)。
(join in the outer diameter of axle portion 12 throughout the existing rivet 1A that the overall length of central axis X-direction is roughly the same outer diameter D 2
According to Fig. 5 (a)) in the case where, in order to which the different plate steel 8,9 of the thickness of central axis X-direction are linked using a rivet 1,
It needs to be proceed as follows.
In order to will be in the periphery of 1 axle portion 11,12 of rivet and through hole 81,91 throughout the substantially overall length of central axis X-direction
The gap S in week is filled, the plus-pressure (lotus on the basis of the plate steel 9 thicker by thickness, when setting rivets axle portion 11,12
Weight).
Therefore, in the plate steel 8 of thinner thickness, effect is than pressurization needed for filling gap S around through hole 81
The big plus-pressure of power (loading), so be possible to crack around through hole 81.
In this regard, rivet 1 in embodiment will be inserted into the axle portion 12 of the through hole 91 of plate steel 9 with close to major diameter
Portion 13, the shape that outer diameter becomes larger are formed.
Therefore, the material in the region (riveting region) of the outside positioned at through hole 91 in axle portion 12 invades through hole 91
Gap S at the time of, the material in the region (wide diameter portion 122) being located in through hole 91 in axle portion 12 is also still crimped on through hole
91 inner circumferential (referring to Fig. 4 (d)).
Moreover, the progress of the plastic deformation with axle portion 12, in the gap S of the inner circumferential of the periphery and through hole 91 of axle portion 12
Fill the material M (Ma, Mb) (referring to Fig. 4 (f)) for the axle portion 12 being plastically deformed, finally, the periphery of axle portion 12 and perforation
The gap S of the inner circumferential in hole 91, throughout the substantially overall length of central axis X-direction, the material M (Ma, Mb) being plastically deformed is filled out
Plug (referring to Fig. 4 (h)).
In this way, the periphery of axle portion 12 is occurred with the gap S of the inner circumferential of through hole 91 in the through hole 91 of plate steel 9
When the material filling of the axle portion 12 of plastic deformation, two positions being filled in central axis X-direction from material to gap S and advance
Row.
Therefore, by with 13 side of the front end side 12a and large-diameter portion of the axle portion 12 in the S of gap, filling of the material to gap S
The mode carried out parallel set axle portion 12 be located at through hole 91 in region shape, can make 12 side of axle portion gap S and
Time needed for the gap S filling of 11 side of axle portion is roughly the same.
Even if as a result, on the basis of the plate steel 8 of thinner thickness, the axle portion 11,12 and through hole of setting landfill rivet 1
81, the plus-pressure (loading) of the gap S of 91 inner circumferential, also can be different by the thickness of central axis X-direction using a rivet 1
Plate steel 8,9 link.
It illustrates in the above-described embodiment, the region of axle portion 12 being located at least in through hole 91 has in
Towards large-diameter portion 13 in mandrel X-direction, the case where wide diameter portion 122 of shape that outer diameter becomes larger.
The present invention is not limited only to which, can also be with from front end 12a towards large-diameter portion for example, axle portion 12 is whole
13, the shape that outer diameter becomes larger is formed.
In addition, in the above-described embodiment, illustrate when being plastically deformed axle portion 12, during wide diameter portion 122 is crimped on
The case where substantially central portion of through hole 91 in mandrel X-direction.
The present invention is not limited only to which, as long as finally gap S is filled by the plus-pressure (loading) for acting on axle portion 12,
Wide diameter portion 122 can also initially be crimped on any position of through hole 91.
Accordingly it is also possible to the inner circumferential of the position for the close large-diameter portion 13 being initially crimped in through hole 91.
More than, the embodiment of the present application is illustrated, but the present application is not limited only to above-mentioned embodiment party
Formula.It can be suitably changed within the scope of the technical idea of invention.
Claims (3)
1. a kind of rivet, comprising:
Axle portion is inserted into the through hole of object of connection object；
Large-diameter portion is formed with the outer diameter bigger than the internal diameter of the through hole, and the axle portion is being inserted into the through hole
When, it is abutted with the periphery of the through hole,
The axle portion is compressed in the axial direction of the axle portion, will be riveted in the axle portion from through hole region outstanding,
It is characterized in that,
The axle portion, which is located at least in the region in the through hole, to be had in the axial direction with towards the large-diameter portion, outer diameter
The shape to become larger.
2. rivet as described in claim 1, which is characterized in that
On the boundary with the axle portion of the large-diameter portion, equipped with the recess portion being recessed in the axial direction, from the end on observation,
The flat part abutted with the periphery of the through hole is equipped in the outside diameter of the recess portion.
3. rivet as claimed in claim 1 or 2, which is characterized in that
The side and the other side of the large-diameter portion in the axial direction is arranged in the axle portion,
The axle portion of the side in the axial direction as towards the large-diameter portion, the shape that outer diameter becomes larger is formed,
The axle portion of the other side is formed using spreading the axial overall length as the shape of same outer diameter,
Thickness ratio of the object of connection object of through hole with the axle portion insertion for the side in the axial direction has for institute
The object of connection object for stating the through hole of the axle portion insertion of the other side is big.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017-130243 | 2017-07-03 | ||
| JP2017130243A JP6906847B2 (en) | 2017-07-03 | 2017-07-03 | rivet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109210056A true CN109210056A (en) | 2019-01-15 |
Family
ID=64989953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810714584.7A Pending CN109210056A (en) | 2017-07-03 | 2018-07-03 | rivet |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6906847B2 (en) |
| CN (1) | CN109210056A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS48104971U (en) * | 1972-03-15 | 1973-12-06 | ||
| JPS51147861U (en) * | 1975-05-21 | 1976-11-27 | ||
| US5729882A (en) * | 1996-03-12 | 1998-03-24 | Sandvik Ab | Methods of assembling a chain and a rivet for use in such assembly |
| CN2432376Y (en) * | 2000-06-16 | 2001-05-30 | 邓鑑荣 | Rivet |
| JP2003254309A (en) * | 2002-02-28 | 2003-09-10 | Usui Kokusai Sangyo Kaisha Ltd | Rivet fastening structure |
| CN102182738A (en) * | 2011-04-18 | 2011-09-14 | 无锡安士达五金有限公司 | Stepped core pulling rivet |
| CN102756067A (en) * | 2012-06-26 | 2012-10-31 | 上海飞机制造有限公司 | Interference riveting method and device based on ultrasonic assistance |
| CN103256287A (en) * | 2012-02-21 | 2013-08-21 | 富泰华工业（深圳）有限公司 | Riveting structure and riveting process thereof |
| CN203516364U (en) * | 2013-09-23 | 2014-04-02 | 浙江吉利控股集团有限公司 | Plate connecting rivet |
| CN204878198U (en) * | 2015-07-28 | 2015-12-16 | 宁波市镇海金力高强度紧固件有限公司 | Double -end rivet |
| CN105190059A (en) * | 2013-07-22 | 2015-12-23 | 株式会社神户制钢所 | Rivet for connecting different materials, member for connecting different materials, method for manufacturing joined body of different materials, and joined body of different materials |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013252648A (en) * | 2012-06-06 | 2013-12-19 | Fukui Byora Co Ltd | Fastening method |
-
2017
- 2017-07-03 JP JP2017130243A patent/JP6906847B2/en active Active
-
2018
- 2018-07-03 CN CN201810714584.7A patent/CN109210056A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS48104971U (en) * | 1972-03-15 | 1973-12-06 | ||
| JPS51147861U (en) * | 1975-05-21 | 1976-11-27 | ||
| US5729882A (en) * | 1996-03-12 | 1998-03-24 | Sandvik Ab | Methods of assembling a chain and a rivet for use in such assembly |
| CN2432376Y (en) * | 2000-06-16 | 2001-05-30 | 邓鑑荣 | Rivet |
| JP2003254309A (en) * | 2002-02-28 | 2003-09-10 | Usui Kokusai Sangyo Kaisha Ltd | Rivet fastening structure |
| CN102182738A (en) * | 2011-04-18 | 2011-09-14 | 无锡安士达五金有限公司 | Stepped core pulling rivet |
| CN103256287A (en) * | 2012-02-21 | 2013-08-21 | 富泰华工业（深圳）有限公司 | Riveting structure and riveting process thereof |
| CN102756067A (en) * | 2012-06-26 | 2012-10-31 | 上海飞机制造有限公司 | Interference riveting method and device based on ultrasonic assistance |
| CN105190059A (en) * | 2013-07-22 | 2015-12-23 | 株式会社神户制钢所 | Rivet for connecting different materials, member for connecting different materials, method for manufacturing joined body of different materials, and joined body of different materials |
| CN203516364U (en) * | 2013-09-23 | 2014-04-02 | 浙江吉利控股集团有限公司 | Plate connecting rivet |
| CN204878198U (en) * | 2015-07-28 | 2015-12-16 | 宁波市镇海金力高强度紧固件有限公司 | Double -end rivet |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2019011856A (en) | 2019-01-24 |
| JP6906847B2 (en) | 2021-07-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5286433B2 (en) | rivet | |
| US7887273B2 (en) | Blind rivet and method | |
| JP6230774B2 (en) | Ring-shaped or plate-shaped member and manufacturing method | |
| JP4669706B2 (en) | Self-drilling rivet and plate fastening structure using the same | |
| JP2005034910A (en) | Three-component blind fastener | |
| CN103797251B (en) | Self-plugging rivet and work piece apparatus | |
| US20170216956A1 (en) | Method for joining at least two structural parts | |
| US20130202241A1 (en) | Roller bearing cage and manufacturing method therefor | |
| JP2007127278A (en) | Self-piercing rivet | |
| JP2018136022A5 (en) | ||
| CN102478139B (en) | Pipe joint | |
| EP1369601B1 (en) | Peel-Type Blind Rivet | |
| CN109210056A (en) | rivet | |
| US9869385B1 (en) | Powder metal net shape alignment feature | |
| JP5360775B2 (en) | Clutch link for drive clutch and manufacturing method | |
| US20100068001A1 (en) | Rivet | |
| CN108626223B (en) | Connection system and method | |
| US20090282885A1 (en) | Method of forming spring washer blind-holes into a piston for an automobile transmission | |
| CN105782199A (en) | Rivet with cutting mandrel tip and one-sided joining method | |
| EP2671654B1 (en) | Punch rivet, riveted joint and riveting method | |
| JP6436143B2 (en) | Fastener | |
| KR20130079488A (en) | Fastening element | |
| KR20190021611A (en) | Pipe connection apparatus | |
| EP3633215B1 (en) | Self-piercing rivet | |
| CN110253900A (en) | Dual attachment self-punching rivet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190115 |