DE102017001187A1 - Punch rivet for connecting a first component with a second component - Google Patents

Abstract

The present invention relates to punch rivet 1 for connecting a first component to a second component, in particular for non-rotatably connecting the two components. The punch rivet 1 is used in particular for connecting a first component to a second component in the region of a narrow flange of at least one of the two components. The punch rivet 1 has a rivet head 2 and a shaft 3 extending in an axial direction Z, wherein the shaft 3 has a punching section on an end of the shaft 3 facing away from the rivet head 2, the shaft 3 having a longitudinal dimension L and L in a longitudinal direction X. in the transverse direction has a transverse dimension Q, wherein the longitudinal dimension L is greater than the transverse dimension Q.

Description

Technical area

The present invention relates to a punch rivet for connecting a first component to a second component, in particular for non-rotatably connecting the two components.

background

Punch rivets are used as means for connecting components. The components may consist of the same or different materials, wherein the components to be joined are typically plate-shaped components. A punch rivet usually consists of a round metal shaft, which is provided with a setting head. Typically, the punch rivet is driven through the first component by means of a punch and is connected to the second component resting on a die by plastically deforming the shank of the punch rivet in the second component and / or on a side of the second component opposite the first component.

As a rule, the shank of a conventional punch rivet has a circumferential, circular cutting edge, so that when penetrating the first component, the penetrated portion of the first component is completely cut off.

From the publication DE 10 2011 056 765 A1 a punch rivet is known, wherein the punch rivet has a head portion and a shaft portion, wherein the shaft portion is provided with more than two slots. When such a punch rivet is set, the portion of the first component penetrated by the shank portion is not completely cut off, so that this portion prevents a rotation of the punch rivet in the first component and thus a rotation of the first component relative to the second component.

Object of the present invention is to provide a punch rivet in such a way that with less manufacturing effort and assembly work of the punch rivet a rotationally fixed connection between the two components to be joined can be achieved. Furthermore, it is an object of the invention to provide a punch rivet, which allows the joining of narrow flanges and in particular has a high stability to forces acting on the compound, in particular against such forces acting transversely to the direction of the flanges on the compound.

This object is achieved with a punch rivet, which has the features of patent claim 1. Advantageous developments are each the subject of dependent claims.

The punch rivet serves to connect a first component to a second component. The punch rivet serves in particular for connecting a first component to a second component in the region of a narrow flange of at least one of the two components. The components may in particular be body components of a motor vehicle. For example, one of the components may be formed as a sill with a narrow flange, which is to be connected in the region of the flange with the other component.

The punch rivet has a rivet head and a shank extending in an axial direction of the punch rivet, the shank having a punched portion at an end of the shank facing away from the rivet head, the shank having a longitudinal dimension in a longitudinal direction and a transverse dimension in the transverse direction the longitudinal dimension is greater than the transverse dimension.

In order to connect the two components of the punch rivet in the overlap region of the two components is introduced into the two components, that the shaft passes through the first component and at least partially penetrates into the second component and / or this completely penetrated, wherein in order to connect the two components of the shaft in the second component and / or on the opposite side of the first component of the second component, in particular spread, is.

Depending on the design of the shank portion, in particular the geometric design and / or the material used, the introduction and / or reshaping of the punch rivet can take place with or without a die to be arranged on the second component.

Due to the elongated design of the shaft, it is possible to add narrow flanges as simple and time-saving means only a rivet or compared to the use of conventional punch rivets less number of punch rivets. In addition, a compound formed by means of such a punch rivet has a high stability, in particular with respect to forces acting transversely to the rivet. Furthermore, due to the elongated design of the shaft, a rotationally fixed connection between the two components is formed by means of only one rivet.

In an advantageous development, the shaft has a plurality of shaft sections spaced apart in the longitudinal direction. Such an embodiment of the punch rivet has a particularly high stability against forces acting on the connection in the longitudinal direction, in particular with respect to a peeling longitudinal load.

In an advantageous development, the shaft has a plurality of shaft sections which are spaced apart in the transverse direction, as a result of which an invention formed with such a self-piercing rivet has a particularly high stability and resistance to twisting.

It is considered to be particularly advantageous if the shaft has a first row and a second row of shaft sections which are spaced apart in the longitudinal direction, in particular the two rows are formed parallel and spaced apart in the transverse direction.

In this context, it is considered to be particularly advantageous if a shaft portion of the first row is formed offset to an adjacent shaft portion of the second row in the longitudinal direction.

Preferably, the shaft and / or the respective shaft portion is plate-shaped. The term "plate" is understood to mean a body which has a thickness which is smaller than the remaining dimensions of the body.

Preferably, opposing major expansion surfaces of the plate-shaped shaft portion and / or shaft outside the punching portion are flat and / or parallel.

In order to facilitate penetration and in particular reshaping of the shank or of the respective shank portion, it is provided in an advantageous development of the punch rivet that the punching section of the shank or the respective shank section has a cross section which tapers in a direction away from the rivet head, wherein a first cross section Cutting surface of the punching portion is formed inclined to the axial direction and a first cutting surface opposite the second cutting surface is formed parallel or substantially parallel to the axial direction. In particular, the two cutting surfaces extend parallel to the longitudinal direction.

It is quite conceivable that the shank of the punch rivet extending in the axial direction does not necessarily have to be formed strictly parallel to the axial direction, but rather may be formed inclined relative to the axial direction, whereby a deformation of the shank or of the shank portion, in particular one Spreading of the shaft portion, is favored.

Due to the design of the cutting surface of the shaft or of the shaft section, the deformation of the respective shaft section or of the shaft can be influenced. In an advantageous development of the punch rivet, it is therefore provided that the cutting surfaces of shank sections adjacent in the longitudinal direction and / or in the transverse direction are mutually formed.

Preferably, the punching portion of the shaft or the respective shaft portion is formed as a circumferential punching section.

In this context, it is considered advantageous if the first cutting surface forms an inner surface and the second cutting surface forms an outer surface of the peripheral punching section. This favors a spreading of the shaft.

With regard to a particularly high stability to a longitudinal stress of a connection formed by means of the punch rivet, the shank or the respective shank portion in an advantageous development of the punch rivet perpendicular to the axial direction has a wave-shaped or zigzag-shaped cross section.

It is considered to be particularly advantageous if the shank or the respective shank portion has a waisting and / or a recess in the longitudinal direction and / or in the transverse direction. Depending on the length of the shaft or the shaft portion, it is quite conceivable that the shaft or the respective shaft portion has a plurality of sidepieces or recesses.

In a particularly preferred embodiment of the punch rivet, this has a circumferential punching section, wherein a cross section of the punching section is formed, which has an oval shape with a preferably centrally formed sidecut.

It is quite conceivable and preferred if the rivet head has a through opening which passes through the rivet head in the axial direction and adjoins the shaft and / or the shaft section.

In particular, to add long flanges as simple and time-saving, is provided in an advantageous development that the rivet head is designed as a band, preferably as a metal band, in particular as a bendable metal band. This design of the punch rivet makes it possible, in particular, to connect long flanges by means of a continuous, rapid process, for example in a rolling process.

It is considered advantageous if the longitudinal dimension of the shaft is at least 2.5 times, preferably at least 4 times, the transverse dimension of the shaft.

list of figures

• 1 eine erste Ausführungsform eines Stanzniets in einer Ansicht gemäß dem Pfeil I in 2,
• 2 der Stanzniet in einer Schnittansicht gemäß der Linie II-II in 1,
• 3 der Stanzniet in einer Ansicht gemäß dem Pfeil III in 1,
• 4 eine zweite Ausführungsform des Stanzniets in einer Ansicht gemäß dem Pfeil IV in 5,
• 5 der Stanzniet in einer Ansicht gemäß dem Pfeil V in 4,
• 6 der Stanzniet in einer Ansicht gemäß dem Pfeil VI in 4,
• 7 eine dritte Ausführungsform des Stanzniets in einer Ansicht gemäß dem Pfeil VII in 8,
• 8 der Stanzniet in einer Ansicht gemäß dem Pfeil VIII in 7,
• 9 der Stanzniet in einer Ansicht gemäß dem Pfeil IX in 7,
• 10 eine Anordnung von zwei mittels der ersten Ausführungsform des Stanzniets verbundenen Bauteilen in einer Schnittansicht gemäß der Linie X-X in 11,
• 11 die Anordnung in einer Ansicht gemäß dem Pfeil XI in 10,
• 12 eine andere Anordnung von zwei mittels einer vierten Ausführungsform des Stanzniets verbundenen Bauteilen in einer Schnittansicht gemäß der Linie XII-XII in 13,
• 13 die Anordnung gemäß dem Pfeil XIII in 12,
• 14 Vorgang des Verbindens zweier Bauteile mittels einer fünften Ausführungsform des Stanzniets in einer Seitenansicht
• 15 eine sechste Ausführungsform des Stanzniets gemäß dem Pfeil XV in 16,
• 16 der Stanzniet in einer Schnittansicht gemäß der Linie XVI-XVI in 15.

Advantageous applications, objects and features of the present invention will be explained with reference to the following description of a specific embodiment with reference to the drawings. Hereby show:

• 1 a first embodiment of a punch rivet in a view according to the arrow I in 2 .
• 2 the punch rivet in a sectional view along the line II-II in 1 .
• 3 the punch rivet in a view according to the arrow III in 1 .
• 4 a second embodiment of the punch rivet in a view according to the arrow IV in 5 .
• 5 the punch rivet in a view according to the arrow V in 4 .
• 6 the punch rivet in a view according to the arrow VI in 4 .
• 7 a third embodiment of the punch rivet in a view according to the arrow VII in 8th .
• 8th the punch rivet in a view according to the arrow VIII in 7 .
• 9 the punch rivet in a view according to the arrow IX in 7 .
• 10 an arrangement of two connected by the first embodiment of the punch rivet components in a sectional view along the line XX in FIG 11 .
• 11 the arrangement in a view according to the arrow XI in 10 .
• 12 another arrangement of two connected by a fourth embodiment of the punch rivet components in a sectional view along the line XII-XII in 13 .
• 13 the arrangement according to the arrow XIII in 12 .
• 14 Process of connecting two components by means of a fifth embodiment of the punch rivet in a side view
• 15 a sixth embodiment of the punch rivet according to the arrow XV in 16 .
• 16 the punch rivet in a sectional view according to the line XVI-XVI in 15 ,

Detailed description

The in the 1 to 3 illustrated, the first embodiment of the punch rivet 1 has a rivet head 2 and one in an axial direction Z extending shaft 3 on, with the shaft 3 on a rivet head 2 opposite end of the shaft 3 a punching section 4 having. The shaft 3 has a longitudinal dimension in a longitudinal direction X. L which is larger than one in a transverse direction Y trained transverse dimension Q of the shaft 3 , Consequently, the shaft is 3 of the punch rivet 1 elongated. The punching section 4 is as a circumferential punching section 4 formed, wherein a cross section of the shaft 3 and the punching section 4 an oval shape with a centered waist 8th having. The sidecut 8th subdivides the shaft 3 into two contiguous subregions, wherein the subregions each have the shape of an ellipse with identical dimensions, in the area of the sidecut 8th merge.

The rivet head 2 also has an elliptical shape, wherein the transverse dimensions and longitudinal dimensions of the rivet head 2 are larger than the corresponding dimensions of the shaft 3 , The shaft 3 extends parallel to the axial direction Z , wherein the punching section 4 of the shaft 3 in a rivet head 2 opposite direction has a tapered cross section, wherein a first cutting surface 6 of the punching section 4 inclined to the axial direction Z is formed and one of the first cutting surface 6 opposite second cutting surface 7 parallel to the axial direction Z is trained. In this case, form the first cutting surface 6 an inner surface and the second cutting surface 7 an outer surface of the circumferential punching section 4 , Through this design of the shaft 3 or the punching section 4 becomes a spread of the shaft 3 during insertion of the punch rivet 1 for connecting a first component 10 with a second component 11 in the components 10 . 11 favored.

Regarding a simple reshaping of the shaft 3 it is considered advantageous if the shaft 3 is formed thin-walled.

The in the 4 to 6 shown, second embodiment of the punch rivet 1, in contrast to the first embodiment, no circumferential punching section 4 on.

By contrast, the shaft has 3 five in the longitudinal direction X spaced apart shaft sections 5 on, these shank sections 5 arranged in a row. The shaft sections 5 are identical and plate-shaped, wherein the respective punching section 4 again a first cutting surface 6 and a second cutting surface 7 having, wherein the first cutting surface 6 inclined to the axial direction Z is formed and the second cutting surface 6 parallel to the axial direction Z is trained. The cutting surfaces 6 . 7 each extend parallel to the longitudinal direction X ,

The first cutting surfaces 6 adjacent shaft sections 5 are mutually formed. The same applies to the second cutting surfaces 7 , This is when introducing into the two components 10 . 11 a transformation of the adjacent shaft sections 5 is favored in opposite directions.

The in the 4 to 6 illustrated punch rivet 1 is particularly suitable for joining the two components 10 . 11 in a narrow flange area 12 one of the two components 10 . 11 ,

One in the 7 to 9 illustrated third embodiment of the punch rivet 1 has a first row and a second row of in the longitudinal direction X spaced apart shaft sections 5 on, wherein the two rows are formed parallel to each other. Here is a shaft section 5 the first row to an adjacent shaft portion 5 the second row in the longitudinal direction X offset formed.

The cutting surfaces 6 . 7 from in the transverse direction Y adjacent shank sections 5 are mutually formed, with the first cutting surfaces 6 the shaft sections 5 facing the respective row of the other row.

The 10 and 11 show an arrangement of two by means of the first embodiment of the punch rivet 1 connected components 10 . 11 , This was the shaft 3 during insertion of the punch rivet 1 in the two components 10 . 11 spread apart to connect between the two components 10 . 11 manufacture.

The 12 and 13 show a further arrangement of two interconnected components 10 . 11 , where the two components 10 . 11 by means of a fourth embodiment of the punch rivet 1 connected to each other. The punch rivet 1 has several in the longitudinal direction X spaced apart shaft sections 5 on, with adjacent shaft sections 5 during insertion of the punch rivet 1 in the two components 10 . 11 are bent in opposite directions.

The in the 4 to 9 and 12 to 14 illustrated rivets 1 have a rivet head 2 who is trained as a band. With regard to a particularly simple introduction of such punch rivets 1 in the components to be connected 10 , 11 it is considered advantageous if the rivet head 2 is designed as a bendable metal band. Such a designed punch rivet 1 For example, in a rolling process in the components to be joined 10 . 11 are introduced, whereby costs and time compared to a conventional riveting method for the purpose of producing an elongated connection can be saved. The insertion of the punch rivet 1 by means of the rolling process is schematically in the 14 shown.

The in the 4 to 9 as well as in the 12 to 14 illustrated, elongated punch rivet 1 , in particular the single-row punch rivet 1 , is particularly suitable for joining two components 10 . 11 in the area of a long flange 12 ,

The 15 and 16 show a further embodiment of the punch rivet 1 , this is from the in the 1 to 3 punched rivet shown 1 this distinguishes that the rivet head 2 one the rivet head 2 in the axial direction Z penetrating and to the shaft 3 adjacent passage opening 9 having.

The punch rivet according to the invention 1 is also particularly suitable for fastening thin and / or soft components 10 on a solid component 11 For example, for connecting an aluminum sheet with a steel sheet or for connecting an interior trim with a body of a motor vehicle.

By the shape of the rivet 1 High torques and forces can be transmitted, with the punch rivet 1 it allows to optimize the connection in the direction of the force.

The illustrated embodiments merely show possible embodiments of the invention, to which further numerous variants are conceivable and within the scope of the invention. The exemplary embodiments shown are in no way with regard to the scope,
the applicability or the configuration possibilities of the invention are to be interpreted as limiting. The present description merely shows the person skilled in the art a possible implementation of an exemplary embodiment according to the invention. Thus, the most varied modifications can be made to the function and arrangement of elements described without departing from the scope of protection or its equivalents as defined by the following claims.

LIST OF REFERENCE NUMBERS

1

rivet

2

rivet head

3

shaft

4

piercing section

5

shank portion

6

first cutting surface

7

second cutting surface

8th

sidecut

9

Through opening

10

first component

11

second component

12

flange

X

longitudinal direction

Y

transversely

Z

axial direction

L

longitudinal dimension

Q

transverse dimension

QUOTES INCLUDE IN THE DESCRIPTION

This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Cited patent literature

• DE 102011056765 A1 [0004]

Claims (15)

Punch rivet (1) for connecting a first component (10) to a second component (11), in particular for non-rotatably connecting the two components (10, 11), wherein the punch rivet (1) a rivet head (2) and in the axial direction (Z) of the punch rivet (1) extending shank (3), wherein the shaft (3) at a rivet head (2) facing away from the end of the shaft (3) has a punched portion (4), wherein the shaft (3) in a Longitudinal direction (X) has a longitudinal dimension (L) and in a transverse direction (Y) has a transverse dimension (Q), wherein the longitudinal dimension (L) is greater than the transverse dimension (Q). Punch rivet (1) to Claim 1 wherein the shaft (3) has a plurality of shank portions (5) spaced apart in the longitudinal direction (X). Punch rivet (1) to Claim 1 or 2 wherein the shaft (3) has a plurality of shank portions (5) spaced apart in the transverse direction (Y). Punch rivet (1) to Claim 2 and 3 wherein the shaft (3) has a first row and a second row of shank portions (5) spaced apart in the longitudinal direction (X), in particular the two rows are formed parallel and spaced apart in the transverse direction (Y). Punch rivet (1) to Claim 4 wherein a shaft portion (5) of the first row is formed offset to an adjacent shaft portion (5) of the second row in the longitudinal direction (X). Punch rivet (1) after one of Claims 1 to 5 wherein the punching portion (4) of the shaft (3) or the respective shaft portion (5) has a tapering cross section in a direction (Z) facing away from the rivet head (2), a first cutting surface (6) of the punching portion (4) inclining is formed to the axial direction (Z) and one of the first cutting surface (6) opposite the second cutting surface (7) is formed parallel or substantially parallel to the axial direction (Z). Punch rivet (1) to Claim 6 wherein the cutting surfaces (6, 7) of mutually adjacent in the longitudinal direction (X) and / or in the transverse direction (Y) shank portions (5) are formed. Punch rivet (1) after one of Claims 1 to 7 wherein the punching section (4) of the shaft (3) or the respective shaft section (5) is formed as a circumferential punching section (4). Punch rivet (1) to Claim 8 wherein the first cutting surface (6) forms an inner surface and the second cutting surface (7) forms an outer surface of the circumferential punching section (4). Punch rivet (1) after one of Claims 1 to 9 wherein the shaft (3) or the respective shaft portion (5) perpendicular to the axial direction (Z) has a wave-shaped or zigzag-shaped cross section. Punch rivet (1) after one of Claims 1 to 10 wherein the shaft (3) or the respective shaft portion (5) in the longitudinal direction (X) and / or in the transverse direction (Y) has a sidecut (8) and / or a recess. Punch rivet (1) to Claim 11 , wherein a cross section of the circumferential punching section (4) has an oval shape with a preferably centrally formed sidecut (8). Punch rivet (1) after one of Claims 1 to 12 wherein the rivet head (2) has a through hole (9) passing through the rivet head (2) in the axial direction (Z) and adjacent to the shaft (3) and / or the shaft portion (5). Punch rivet (1) after one of Claims 1 to 13 , wherein the rivet head (2) is formed as a band, preferably as a metal band, in particular as a bendable metal band. Punch rivet (1) after one of Claims 1 to 14 , wherein the longitudinal dimension of the shaft (3) is at least 2.5 times, preferably at least 4 times, the transverse dimension of the shaft (3).

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