EP4652376A1 - Erzeugnis mit automatisiert montierbaren teilen - Google Patents
Erzeugnis mit automatisiert montierbaren teilenInfo
- Publication number
- EP4652376A1 EP4652376A1 EP24714795.2A EP24714795A EP4652376A1 EP 4652376 A1 EP4652376 A1 EP 4652376A1 EP 24714795 A EP24714795 A EP 24714795A EP 4652376 A1 EP4652376 A1 EP 4652376A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- projections
- receptacles
- locking
- base body
- product according
- 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
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
- F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
- F16B5/06—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of clamps or clips
- F16B5/0607—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of clamps or clips joining sheets or plates to each other
- F16B5/0621—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of clamps or clips joining sheets or plates to each other in parallel relationship
- F16B5/0664—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of clamps or clips joining sheets or plates to each other in parallel relationship at least one of the sheets or plates having integrally formed or integrally connected snap-in-features
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/10—Casings, cabinets or drawers for electric apparatus comprising several parts forming a closed casing
- H05K5/15—Casings, cabinets or drawers for electric apparatus comprising several parts forming a closed casing assembled by resilient members
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/14—Mounting supporting structure in casing or on frame or rack
- H05K7/1422—Printed circuit boards receptacles, e.g. stacked structures, electronic circuit modules or box like frames
- H05K7/1427—Housings
- H05K7/1432—Housings specially adapted for power drive units or power converters
- H05K7/14324—Housings specially adapted for power drive units or power converters comprising modular units, e.g. DIN rail mounted units
Definitions
- the present invention is based on a (multi-part) product
- the product comprising a first and a second part which are connected to each other by locking
- the first part has a first base body from which a number of projections extend, so that the projections define an insertion direction
- the second part has a second base body in which a number of receptacles are arranged
- the locking hooks and the locking lugs each form a locking connection
- the projections and the receptacles are coordinated with one another in such a way that, at the beginning of the insertion of the projections into the receptacles, the projections have a play in the receptacles in a transverse plane extending orthogonal to the insertion direction both in a first transverse direction and in a second transverse direction orthogonal to the first transverse direction, which gradually decreases to zero when the projections are inserted into the receptacles, starting from an initial value greater than zero.
- the insertion direction is a signed direction .
- the projections are inserted into the receptacles in the insertion direction; any release of the projections from the receptacles occurs against the insertion direction.
- the locking connections are designed in such a way that they can simultaneously guide, position and center the first part relative to the second part.
- a product which has a first and a second part which are connected to one another by locking.
- the first part has a first base body from which a number of projections extend, so that the projections define an insertion direction.
- the second part has a second base body in which a number of receptacles are arranged.
- In the locked state one of the projections of the first part is inserted in the insertion direction into one of the receptacles of the second part, and locking hooks are arranged on the projections and locking lugs are arranged on the second part in the area of the receptacles. Furthermore, the locking hooks and the locking lugs each form a locking connection in the locked state.
- the object of the present invention is to create possibilities by means of which such automatic centering in both transverse directions can be combined in a simple manner with a locking mechanism, so that the respective positioning aid simultaneously also effects a locking connection.
- a product of the type mentioned at the outset is designed in that the projections and the receptacles, seen in the transverse plane, have the contour of symmetrical trapezoids with a respective long side and a respective short side and that the long and short sides run in the first transverse direction.
- This design practically represents a dovetail that tapers in the direction of insertion.
- the projections extend over a length in the direction of insertion.
- the projections and the receptacles are matched to one another in such a way that the play when the projections are inserted into the receptacles essentially assumes the value zero over the entire length of the projections.
- This design means that the projections, when they are fully inserted into the receptacles, rest over a large area on the inside of the receptacles. This results in a very stable attachment of the first part to the second part (or vice versa).
- the receptacles in the area of the short sides of the trapezoids are open or thinner than in the area of the long sides of the trapezoids. This allows the height of the mounts in the second transverse direction to be kept as low as possible.
- the locking hooks are arranged in the area of the long sides of the trapeze. This solution is particularly simple to implement in terms of construction.
- the locking hooks are arranged within the volumes defined by the trapezoids and the locking lugs are arranged elastically on the second base body. This measure reduces the overall height of the receptacles in the second transverse direction even further.
- the first part has recesses in transition areas from the projections to the first base body, via which the locking hooks and/or the locking lugs can be bent and thus the respective locking connection can be released.
- a screwdriver can be easily inserted using the recesses.
- the first part is the housing of an electronic assembly and the second part is a front cover of the electronic assembly.
- This situation represents a particularly frequent application of the present invention. This is particularly true when a heat sink for cooling electronic power components is arranged in the housing.
- FIG 1 is a perspective view of an electronic assembly in an assembled state
- FIG 2 the assembly of FIG 1 before connection
- FIG 3 the assembly of FIG 1 from the side
- FIG 4 shows a section through the assembly of FIG 1 along a line A-A in FIG 3 ,
- FIG 5 is a section through the assembly of FIG 1 along a line B-B in FIG 3
- FIG 6 shows a rough and not to scale view of a second base part seen from the direction A-A in FIG 3,
- FIG 7 a first base part and a second base part in the region of a projection and a receptacle from a first transverse direction
- FIG 8 the first and second base parts of FIG 7 from the second transverse direction
- FIG 9 is a plan view of the first base part of FIG 7 in the region of a projection opposite to an insertion direction
- FIG 10 is a plan view of the second base part of FIG 7 in the insertion direction
- FIG 11 a modification of the second base part of FIG 10 .
- FIG 12 a in theory infinitely thin
- FIG 13 a section through a projection arranged in a receptacle
- FIG 14 is a perspective transparent view of a first base part and a second base part in the region of a projection and a receptacle
- FIG 15 a detail D according to FIG 5 and
- FIG 16 shows a detail E according to FIG 3 .
- FIGS 1 to 5 show different representations of the same
- FIGS. 1 to 5 are therefore explained together below. Reference will only be made to a single FIG. 1 to 5 in individual cases if a particular detail can be seen particularly clearly in this FIG.
- the product is designed as an electronic assembly.
- the fact that the product is designed as an electronic assembly is purely exemplary. The product could also be designed in a different way, for example purely mechanically.
- the product has a first part 1 and a second part 2.
- the first part 1 is the housing of the electronic assembly in which a heat sink 3 (FIG. 4) is arranged, which serves to cool electronic power components.
- the second part 2 is a front cover of the electronic assembly.
- the product can comprise further parts in addition to the first part 1 and the second part 2.
- the first part 1 has a base body 4, from which - see in particular FIG. 2 - a number of projections 5 extend.
- the base body 4 is referred to below as the first base body 4.
- the projections 5 thereby define an insertion direction x.
- the insertion direction x is the direction in which the projections 5 extend away from the first base body 4.
- the second part 2 also has a base body 6, hereinafter referred to as the second base body 6.
- a number of receptacles 7 are arranged in the second base body 6 as shown in FIG. 6.
- the projections 5 are introduced into the receptacles 7 in the insertion direction x.
- the surplus receptacles 7 are unused.
- the following will first look at the design of the projections 5 and the receptacles 7, as far as the insertion of the projections 5 into the receptacles 7 is concerned.
- the locking mechanism will be discussed later. Only one of the projections 5 and the associated receptacle 7 will be explained below. Analogous explanations apply to the other projections 5 and the corresponding receptacles 7.
- a coordinate system with the directions x, y and z is also introduced.
- the coordinate system is a right-hand Cartesian coordinate system.
- the direction x is, as already defined, the insertion direction x.
- the directions y and z are orthogonal to the insertion direction x and also orthogonal to one another.
- the two transverse directions y, z relate to the respective projection 5 and the respective receptacle 7. They can therefore have different directions for a different projection 5 and a different receptacle 7. However, since the insertion direction x is uniform for all projections 5 and receptacles 7 , the two transverse directions y, z always define the same transverse plane .
- the projection 5 and the receptacle 7 are coordinated in such a way that
- the clearance thus decreases gradually when the projection 5 is inserted into the housing 8 from an initial value which is Transverse directions y, z is greater than zero, gradually decreases to zero.
- the projection 5 extends over a length L as seen in the insertion direction x (see FIGS. 7 and 8).
- the projection 5 and the receptacle 8 are even matched to one another in such a way that the play when the projection 5 is inserted into the receptacle 7 essentially simultaneously assumes the value zero over the entire length L of the projection 5.
- the projection 5 has the contour of a symmetrical trapezoid when viewed in the transverse plane defined by the two transverse directions y and z.
- the reference symbol 8 in FIGS. 7 and 8 designates a line along which a (notionally infinitely thin) strip is "cut out" of the projection 5.
- the strip is shown in FIG. 12.
- FIG. 12 in particular shows the shape of the trapezoid particularly clearly.
- FIG. 13 shows the specific section for the specific design of the assembly of FIGS. 1 to 5.
- the trapezoid has a long side 8 and a short side 9 .
- the long and short sides 8 , 9 run in the first transverse direction y . Due to the gradual tapering of the projection 5 , the cross section decreases further and further towards the front .
- the tapering can in particular be linear .
- the respective receptacle 7 is designed to match the associated projection 5 .
- the receptacle 7 By using the contour of a symmetrical trapezoid, it is possible for the receptacle 7 to be open in the region of the short side 9 of the trapezoid ( FIG. 10 ) or at least to be thinner-walled than in the region of the long side of the trapezoid ( FIG. 11 ).
- FIG 2 see also FIG 14 - locking hooks 11 are arranged on the projections 5.
- FIG 15 locking lugs 12 are arranged on the second part 2 in the area of the receptacles 7.
- the locking hooks 11 are arranged in the area of the long sides 10 of the trapezoids according to FIG 14, specifically within the volume defined by the trapezoids.
- the corresponding arrangement of the locking hook 11 can also be seen in FIG. 13, because the locking lug 12 can be seen there within the volume circumscribed by the trapezoids.
- FIG. 15 also shows this situation.
- the locking lug 12 is arranged on the second base body 2 in a spring-elastic manner according to FIG. 15.
- the locking lug 12 is connected to the second base body 6 via a relatively narrow web 13, so that the web 13 is slightly lifted during the process of connecting the two parts 1, 2 to one another.
- the lifting is indicated in FIG. 15 by an arrow 14.
- the first part 1 has a recess 15 in a transition area from the respective projection 5 to the first base body 4, see FIGS. 1 to 3, 7, 8 and 14 to 16.
- the recess 15 makes it possible to bend the respective locking hook 11 and/or the respective locking lug 12 and thereby release the respective locking connection.
- a conventional screwdriver can be used in the area of the recess 15.
- a product has a first and a second part 1, 2 which are connected to one another by locking.
- the first part 1 has a first base body 4, from which a number of projections 5 extend, so that the projections 5 define an insertion direction x.
- the second part 2 has a second base body 6, in which a number of receptacles 7 are arranged.
- Locking hooks 11 are arranged on the projections 5, and locking lugs 12 are arranged on the second part 2 in the region of the receptacles 7.
- the locking hooks 11 and the locking lugs 12 each form a locking connection.
- the projections 5 and the receptacles 7 are coordinated with one another in such a way that the projections 5, when the projections 5 are first inserted into the receptacles 7, have play in the receptacles 7 in a transverse plane orthogonal to the insertion direction x in two mutually orthogonal transverse directions y, z.
- the projections 5 When the projections 5 are inserted into the receptacles 7, the play gradually decreases to zero, starting from an initial value greater than zero.
- the projections 5 and the receptacles 7 have the contour of symmetrical trapezoids with a respective long side 10 and a respective short side 9. The long and short sides 10, 9 run in the first transverse direction y.
- the projections 5 of the present invention in conjunction with the receptacles 7, provide both a positioning aid and a guide as well as a holding and locking function.
- the fact that the projections 5 and the receptacles 7 fulfill all three tasks simultaneously results in a space-saving design that enables precise component guidance during joining.
- the recesses 15 enable the locking mechanisms to be unlocked quickly and easily.
- the locking mechanisms Connections are almost invisible when connected.
- Both the projections 5 and the receptacles 7 can be designed to be stable so that they do not deform when joined. Further locking or screw connections are not required.
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Connection Of Plates (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP23168241.0A EP4450835A1 (de) | 2023-04-17 | 2023-04-17 | Erzeugnis mit automatisiert montierbaren teilen |
| PCT/EP2024/056332 WO2024217774A1 (de) | 2023-04-17 | 2024-03-11 | Erzeugnis mit automatisiert montierbaren teilen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4652376A1 true EP4652376A1 (de) | 2025-11-26 |
Family
ID=86052338
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP23168241.0A Withdrawn EP4450835A1 (de) | 2023-04-17 | 2023-04-17 | Erzeugnis mit automatisiert montierbaren teilen |
| EP24714795.2A Pending EP4652376A1 (de) | 2023-04-17 | 2024-03-11 | Erzeugnis mit automatisiert montierbaren teilen |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP23168241.0A Withdrawn EP4450835A1 (de) | 2023-04-17 | 2023-04-17 | Erzeugnis mit automatisiert montierbaren teilen |
Country Status (3)
| Country | Link |
|---|---|
| EP (2) | EP4450835A1 (de) |
| CN (1) | CN120958246A (de) |
| WO (1) | WO2024217774A1 (de) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006061703A1 (de) * | 2006-12-28 | 2008-07-03 | Robert Bosch Gmbh | Verbindungsanordnung |
| JP6318120B2 (ja) * | 2015-06-30 | 2018-04-25 | 株式会社ファルテック | グリルシャッタユニット |
| US10857954B1 (en) * | 2019-07-29 | 2020-12-08 | Toyota Motor Engineering & Manufacturing North America, Inc. | Clip assemblies |
| US11287097B1 (en) * | 2020-12-16 | 2022-03-29 | Valeo North America, Inc. | Snap fit self-locating fastener |
-
2023
- 2023-04-17 EP EP23168241.0A patent/EP4450835A1/de not_active Withdrawn
-
2024
- 2024-03-11 EP EP24714795.2A patent/EP4652376A1/de active Pending
- 2024-03-11 WO PCT/EP2024/056332 patent/WO2024217774A1/de not_active Ceased
- 2024-03-11 CN CN202480026263.1A patent/CN120958246A/zh active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| WO2024217774A1 (de) | 2024-10-24 |
| CN120958246A (zh) | 2025-11-14 |
| EP4450835A1 (de) | 2024-10-23 |
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