CN102714368A

CN102714368A - Mounting assembly

Info

Publication number: CN102714368A
Application number: CN201080061788.7A
Authority: CN
Inventors: J·德布吕金; G·德勒斯贝克
Original assignee: FCI SA
Current assignee: FCI SA
Priority date: 2009-12-18
Filing date: 2010-12-15
Publication date: 2012-10-03
Also published as: WO2011073257A1

Abstract

An assembly comprises a first device and a mating second device. The first device comprises an aperture defined by one or more interior wall portions. The second device comprises a mounting peg (3) configured to be received in the aperture of the first device in a mated state of the first and second devices. The mounting peg comprises a main body portion (4) extending in a first direction (z), a plurality of first portions (5) and at least one second portion (6). Each first portion extends in a direction (r, phi (5,,j)) substantially perpendicular to the first direction to at least abut one or more of the interior wall portions of the aperture of the first device in the mated state of the first and second devices. The at least one second portion is configured to at least abut at least a portion of the first device to define an insertion depth in the first direction of the peg into the aperture in the mated state of the first and second devices. The at least one second portion extends from the peg in a direction (r, phi (6,,j)) substantially perpendicular to the first direction different from the directions of extension (phi (5,,j)) of the first portions.

Description

Installation component

Technical field

The disclosure relates to and is used for the assembly that multiple arrangement is linked together exactly and relates in particular to being used for the assembly that under the interference engagement situation, links together of device.

Background technology

Aspect manufacturing installation especially electronic equipment, effectively and effort towards miniaturization and cost.Thereby strong request needs less surf zone when being mounted to another device such as circuit board device is such as connector.Expect that also the quick assembling of multiple arrangement satisfies the high tolerance in the apparatus for assembling position relative to each other simultaneously.Also be concerned about the intensity and the robustness of this device and/or device assembly.

Summary of the invention

In order to solve one or more in the expectation of top summary, in first aspect of the present disclosure, the assembly according to claim 1 is provided.

This assembly is convenient to the reliable alignment assembling of first device and second device through the bolt patchhole will be installed, and the first that bolt is installed allows to limit through first's butt inwall installs the relative position of bolt with respect to hole (one or more inner wall section).The second portion that limits the degree of depth of bolt patchhole allows to provide the predetermined relative location of first device with respect to second device, the for example interval between the part of device.

During the bolt patchhole, can swipe one or more inwalls in hole of first are especially in the porch in hole.This can cause material displacement, such as burr.Upwardly extending first and second parts in different sides reduce or even prevent this displacement material in the accumulation between second portion and first device, prevent to interfere the expection butt of second portion and first between installing to contact.Thereby; Through separating first and second parts; Such as overlapping through preventing on angled direction with respect to first direction, can limit the degree of depth of bolt patchhole exactly, and can reach reliably first and second the device relative to each other desired location and be convenient to satisfy tighter tolerances.

Assembly with claim 2 can be realized closely cooperating, and especially interference engagement with attached and fixing first and second devices, can obtain the predetermined relative location between first and second devices simultaneously exactly.Under the situation of interference engagement, can save other fastening method, such as gluing, spiral, welding, riveted joint etc.This assembly allows first is configured to stand the structural strain's of a large amount of relatively scraping materials or primary importance and does not influence the second portion determined precalculated position of first and second devices by butt first device.Thereby, can realize by with respect to the caused capable and experienced cooperation that relates to of the relatively large engaging force of the inner wall section relevant, and have only less or do not connect the loss of alignment tolerance (meeting positioning tolerances) with the hole.

In addition; Second portion is the part that bolt is installed; This allows when the bolt patchhole will be installed, on installing, to apply significant pressure, and the friction between the inwall in one or more firsts and hole is used for first and second devices are installed together under the stable condition not influencing insertion depth really.Under the situation of the abutment portion of separating, first and/or second device may cause different relative positions to be confirmed in any distortion that applies under the setting pressure situation in addition.

The assembly of claim 3 is convenient to construct contact surface and/or contact force between the inwall in first and hole through suitably forming ledge (for example having one or more parts of preset width, extension and/or length on the first direction).One or more introducing parts also can be provided.

Be applicable to one or more second portions of indicating in the claim 4 similarly.In addition, the structure of second portion can be suitable for meeting one or more parts of first device, the for example circuit on the circuit board more easily.

The assembly of claim 5 provides the robustness of increase.It possibly also be convenient to install the manufacturing of bolt and assembling with it.In addition, hold the required space of bolt is installed, be also known as FX (real estate), on first and second devices, all reduce, be convenient to miniaturization.

The assembly of claim 6 also provides the robustness of increase and makes efficient; Because install that the size of bolt reduces and, have stronger relatively base portion at the second device place and have more weak part relatively away from the second device place on first direction away from second device.Thereby bolt allows to hold certain mistakes accurate (being misalignment) that bolt and hole are installed, and reduces its too much bending and/or even risk of rupturing.

In the assembly of claim 7, prevented that chip or other materials from disturbing the main part that bolt is installed.Thereby, improved the reliability of the degree of depth of bolt patchhole.

This assembly very well is suitable for the assembling of connector and circuit board; If first device is that the circuit board and second device are connectors; Be convenient to make and assembling; Because circuit board is provided with porose and hole usually; Connector (especially insulation shell) can easily be made (especially molded) has the part of extending from possible general plane, surface, and provides hole and especially hole maybe molding process be become complicated.

More many-side appears in claim 9-12.

Description of drawings

The present invention will more fully explain with reference to the accompanying drawing that embodiment is shown by example hereinafter.Should be noted that for or about the key element and the aspect of specific embodiment discussion can suitably making up, only if statement is clearly arranged in addition with key element and the aspect of other embodiment.

In the accompanying drawings, identical element is by identical reference symbol indication.

Figure 1A-1C is the different views of Unit Installation bolt, and the cross section of another device also is shown in Fig. 1 C.

Fig. 2-the 5th substitutes the plane graph that bolt is installed.

Embodiment

Figure 1A is the perspective view of the part of device 1, and it has surface 2, and it is outstanding from surface 2 along the first bearing of trend z that bolt 3 is installed.Figure 1B has the plane graph of the part of the device 1 that bolt 3 is installed along the first bearing of trend z intercepting.With respect to first direction z, limit and to have the circular cylindrical coordinate axle ( r, φ, z) reference system, shown in the illustration among Figure 1A.Should be noted that for radially or the reference of tangential be for reference and illustrative purposes, be not to force or to hint the cylindrical geometry shape, mention only if having clearly in addition.

Bolt 3 is installed is comprised main part 4, a plurality of first 5 and a plurality of second portion 6.

First 5 forms first rib 5, its extend along body part 4 on the direction z and roughly radially on the r with reference to angle φ 0 angled φ (5, outstanding from main part 4 j), each first 5 of j mark.An amount Δ φ extends in each first on the angular direction (5, j) (not shown) is so that adjacent first 5 here separates on (or tangent line) direction φ at the angle by opening part 5A.In the embodiment shown, rib 5 is taper diametrically, near the relative broad of the part of main part 4 (Δ φ (5, j) big relatively) and from main part 4 narrow more (the Δ φ (5, j) more little) of part far away more.In other embodiments, rib 5 can have diametrically constant width or can Δ φ (5, j) open under the constant situation or, still (or tangent line) direction at the angle along with increasing and increase apart from the radial distance of main part 4 φGo up separately.

Second portion 6 forms second rib 6, its extend along main part 4 on the direction z and roughly radially on the r with reference to angle φ 0 angled φ (6, outstanding from main part 4 j), each second portion 6 of j mark.Each second portion on the angular direction, extend an amount φ Δ (6, j) (not shown) so that adjacent second portion 6 at the angle (or tangent line) direction φOn here divide and open by opening portion 6A.In the embodiment shown, rib 6 is configured as and installs 1 (install in other words 1 the outstanding thus part of bolt 3) meets.Yet first and

second parts

5 and 6 can have roughly the same shape, just arrange with respect to bolt 3 differently.

Like what be clear that among Figure 1B, (5, j) (6, j) difference is so that each second portion 6 extends and gets into the adjacent 5 divided portion 5A of first from bolt on the direction different with the bearing of trend of first 5 each φ with each φ.In addition, the angular region φ Δ of each first rib 5 and second rib 6 (5, j), the φ Δ (6, be arranged so that j) first rib 5 and second rib 6 are with the angular direction φBe separated from each other, in the angular direction φIn do not have overlapping.Thereby, between first 5 and second portion 6, limit hole part (empty portions) X, this further be convenient to guarantee the displacement material can be carefully accumulation between one or more second portions 6 and first device (surface 2).

Main part 4 has the scarf 4A that arranges with the first bearing of trend z bevel ground, and first rib 5 has scarf 5B equally.Second rib 6 has upper surface 6B, and it is arranged as and is approximately perpendicular to bearing of trend z to limit the butt height.Here, all upper surface 6B roughly is arranged in the plane, and this plane is corresponding to the plane 2 of first device 1.For the uneven surface of butt first device, the different second portions of second device can have corresponding different size.The Shape optimization that second portion 6 and device 1 meet available FX is used for the use of abutment surface zone (being the summation of upper surface 6B) here.

Fig. 1 C is the end view with part that bolt 3 is installed of device 1, the cross section of the part of also schematically illustrated device 7.Shown device 7 is circuit boards.The hole 9 that device 7 has first surface 8 and limited inner wall section 10 is installed bolt 3 and is received in the said hole 9.Inner wall section 10 is shown by dashed lines in Figure 1B.Shown hole 9 is through holes.

As illustrating best among Figure 1A and the 1C, the main part 4 of bolt 3 is extended first length L 1 on first direction z, and rib 5 extends second length L 2 on first direction z, and L2 is less than L1, and second rib 6 extends the 3rd length L 3 on first direction z, and L3 is less than L2.

Can see that in Figure 1B and 1C the inwall 10 of rib 5 conjugate foramens 9 installs 7 with the interference engagement that bolt 3 entering holes 9 are provided so that first device 1 is attached to second.Bolt 3 patchholes 9 and outstanding pass wherein up to surface 8 and the degree of depth that limits of 9 outsides in the hole the upper surface 6B butt plate 7 of rib 6.Thereby first device, 1 and second device 7 (surface 2 and 8) separates the distance H corresponding to the length L 3 of rib 6.Bolt 3 thereby be to have the installation bolt 3 that integral type is interfered rib 5 and bearing (stand-off) 6.

Rib

5 and 6 circumference along the hole that is limited inwall 10 9 do not have overlapping.Therefore, prevented that the material from rib 5 displacements is built up during bolt 3 patchholes 9 between surperficial 6B and 8.Thereby prevented accurately definite interference for the distance H of first device, 1 and second device between 7.

Fig. 2-5 with Figure 1B similar planar figure in the different embodiment of schematically illustrated installation bolt 3.

In the embodiment of Fig. 2, the main part 4 of bolt 3 is the substantial cylindrical with constant circular cross-sectional shape.First 5 and second portion 6 be the rib shape and be arranged as around main part 4 with the angular direction φBe separated from each other so that triple rotation symmetries (three-fold rotational symmetry) to be provided.

In the embodiments of figure 3, the main part 4 of bolt 3 is the roughly cylindricalitys with constant polygon (being square here) cross sectional form.In this embodiment, first 5 is formed by the edge of main part 4.Second portion 6 is by between first 5, forming from main part 4 outstanding ribs 6.

In the embodiment of Fig. 4, main part 4 is the tapers with circular cross sectional form, and its diameter increases along with the distance apart from first device, 1 remainder and reduces.Here, hole 9 is the essentially rectangulars that limited four inner wall section 10.In this embodiment, the size less than hole 9 is radially reciprocally being extended on the r by first 5, so as to allow said part 5 to keep not contacting with wall part 10 and first and second devices from shown in contacting wall part 10 during the situation displacement.Second portion 6 is outstanding and spaced apart with first 5 from main part 4 between first 5.

In the embodiment of Fig. 5, the main part 4 of bolt 3 is polygonal, is hexagon here.Two firsts 5 upwards extend from main part 4 in opposite footpath.Four second portions 6 roughly extend from first 5 symmetrically so that between the position of its (being configured to) butt inner wall section 10 of the position of its butt first device of second portion 6 and first 5 in the angular direction φOn do not have overlapping.

The invention is not restricted to the foregoing description, it can change within the scope of the claims in many ways.For instance, first and/or second portion can comprise or form a series of one or more outstanding to replace rib, for example, the delegation's protrusion on the main part 4.

First and/or second device can comprise a plurality of holes and bolt.

Any suitable form can be taked in the hole, such as depression, slit, blind hole hole or through hole etc.

Bolt can comprise a plurality of firsts; Some of them provide in one direction with the interference engagement in hole and other and for example on another direction, loose fit are provided; This another direction can be perpendicular to a said direction, and this layout can allow to be suitable for the different manufacturing tolerances on the different directions.

Different firsts can have different intensity, for example, can resist the power stronger than the part on the other direction with the different manufacturing tolerances and/or the part in one direction that are suitable on the different directions.

Bolt is installed can be provided with one or more other parts, said other section construction at least a portion of the another device of butt at least to limit the insertion depth that bolt gets into the hole in the said another device, for example, be used for the predetermined stacked multiple arrangement of mutual spacing.Bolt can have roughly " Christmas tree " shape, and wherein different ranks is limited the part of different (group).The part that is arranged in level other places can be configured to butt and/or be bonded on inwall and another device in another grade of butt other places in the hole of a device on the rank, in conjunction with the function of first and

second parts

5,6, as stated.In this case, the extension on different each other directions of the part at different stage place is confirmed the reliable of relative position at different stage place with generator.

Claims

1. an assembly comprises first device (7) and second device (1) that matches,

Wherein first device comprise the hole (9) that limits one or more inner wall section (10) and

Second device comprises installs bolt (3), and it is configured under the mated condition of first and second devices, be received in the said hole of first device,

Bolt wherein is installed is included in main part (4), a plurality of first (5) and at least one second portion (6) that first direction (z) is gone up extension,

Wherein each first be approximately perpendicular to the direction of first direction (r, φ (5, j)) go up to extend with one or more inner wall section in the hole of butt first device at least under the mated condition of first and second devices, and

Wherein said at least one second portion is configured under the mated condition of first and second devices at least at least a portion (8) of butt first device to limit said bolt inserts said hole on first direction the degree of depth; And said at least one second portion be approximately perpendicular to first direction and with the bearing of trend φ (5 of first; J) different direction (r; φ (6, j)) goes up from said bolt and extends.

2. according to the installation component of claim 1, wherein first (5) is configured to one or more inner wall section (10) of conjugate foramen (9), particularly so that interference engagement is provided.

3. according to the installation component of claim 1 or 2, wherein first (5) comprises from the outstanding part of main part (4) that bolt (3) is installed, for example rib.

4. according to the installation component of any aforementioned claim, wherein said at least one second portion (6) comprises from the outstanding part of main part (4) that bolt (3) is installed, for example rib.

5. according to arbitrary described installation component in the aforementioned claim, bolt (3), first (5) and forming as one of said one or more second portion (6) integral body are installed wherein.

6. according to arbitrary described installation component in the aforementioned claim, bolt (3) wherein is installed is gone up from second device (1) extension, first distance (L1) at first direction (z),

The second distance (L2) that first (5) lacks from the second device ratio of elongation, first distance on first direction,

Said at least one second portion (6) installs the 3rd short distance (L3) of ratio of elongation second distance from second on first direction.

7. according to arbitrary described installation component in the aforementioned claim, its mesopore (9) is the hole that passes the part of first device (7).

8. according to arbitrary described installation component in the aforementioned claim, wherein first device (7) is that the circuit board and second device (1) are connectors.

9. assembly; Comprise first device (7) and second device (1) that matches; Wherein first device comprises that the hole (9) that limited one or more inner wall section (10) and second device comprise the installation bolt (3) in the hole that is configured under the mated condition of first and second devices, to be received in first device

Wherein each first be approximately perpendicular to the direction of first direction (r, φ (5, j)) go up outstanding under the mated condition of first and second devices, engaging one or more inner wall section in the hole of first device, and

Wherein said at least one second portion be configured under the mated condition of first and second devices at least a portion (8) of butt first device at least with the degree of depth that limits bolt patchhole on first direction and be approximately perpendicular to first direction and with the bearing of trend φ (5 of first; J) different direction (r; φ (6, j)) goes up from main body outstanding.

10. assembly; Comprise first device (7) and second device (1) that matches; Wherein first device comprises that the hole (9) that limited one or more inner wall section (10) and second device comprise the installation bolt (3) in the hole that is configured under the mated condition of first and second devices, to be received in first device

Bolt wherein is installed is included in first direction (z) upward from main part (4), a plurality of first (5) and at least one second portion (6) of the second device extension first apart from (L1),

Wherein each first installs the short second distance (L2) of ratio of elongation first distance and is being approximately perpendicular to the direction (r of first direction from second on first direction; φ (5; J)) go up from the outstanding one or more inner wall section of main part with the hole of joint first device under the mated condition of first and second devices, and

Wherein said at least one second portion (6) installs the 3rd short distance (L3) of ratio of elongation second distance from second on first direction; It is configured under the mated condition of first and second devices at least a portion of butt first device at least and is being approximately perpendicular to first direction and (φ (5 with the bearing of trend of first with the degree of depth that limits bolt patchhole on first direction and wherein said at least one second portion; J)) different direction (r; φ (6, j)) goes up from main part outstanding.

11. according to second device (1) of arbitrary described installation component among the claim 1-10, said second device is a connector.