EP3866275A1 - Connecteur encliquetable et connexion à encliquetage - Google Patents

Connecteur encliquetable et connexion à encliquetage Download PDF

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Publication number
EP3866275A1
EP3866275A1 EP20157051.2A EP20157051A EP3866275A1 EP 3866275 A1 EP3866275 A1 EP 3866275A1 EP 20157051 A EP20157051 A EP 20157051A EP 3866275 A1 EP3866275 A1 EP 3866275A1
Authority
EP
European Patent Office
Prior art keywords
snap
snap connector
hook
elastic beam
catch
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.)
Withdrawn
Application number
EP20157051.2A
Other languages
German (de)
English (en)
Inventor
Adrian CACU
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Veoneer Sweden AB
Original Assignee
Veoneer Sweden AB
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Veoneer Sweden AB filed Critical Veoneer Sweden AB
Priority to EP20157051.2A priority Critical patent/EP3866275A1/fr
Publication of EP3866275A1 publication Critical patent/EP3866275A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/502—Bases; Cases composed of different pieces
    • H01R13/506—Bases; Cases composed of different pieces assembled by snap action of the parts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/627—Snap or like fastening

Definitions

  • the invention refers to connection of parts, more specifically to connection by snapping.
  • a commonly used snap connection has a hook on a protrusion, the hook intended to engage a catch.
  • a gap between the hook and the catch is required.
  • Such a gap may be unacceptable due to sealing requirements.
  • the hook-catch arrangement may be a source of noise.
  • relative movement between hook and catch e.g. as a result of vibration of the snap connection, may lead to increased wear.
  • Components of the snap connection e.g., the hook or the protrusion, may quickly erode to the point of breaking.
  • a snap connection somewhat loose due to the gap may have a resonance frequency significantly lower than a corresponding tight snap connection, i.e. without gap. This lower resonance frequency often is within the frequency range of external mechanical excitations on the snap connection, thus leading to high amplitude oscillatory movement of components of the snap connection, further increasing wear and noise.
  • the snap connector according to the invention includes a hook on a protrusion. According to the invention the snap connector also has an elastic beam to which the protrusion is attached.
  • the coupling of the protrusion with the hook to the elastic beam adds elasticity to the snap connector and thus to a snap connection when the snap connector is used together with a catch. This elasticity allows engaging between hook and catch without gap, thus avoiding both leakage and a possible source of noise and wear.
  • the elastic beam is oriented perpendicular to the protrusion. This implies that the protrusion can be tilted by a torsion-type deformation of the elastic beam.
  • the snap connector may generally be configured such that the elastic beam is at a distance from a surface if the snap connector is attached to the surface.
  • This surface may in particular be a surface of a component of a technical system, which component is to be connected to another component by a snap connection involving the snap connector.
  • the distance between the elastic beam and the surface is achieved by at least one distance element by which the snap connector can be attached to the surface.
  • the at least one distance element may in particular be part of the snap connector, and even more specifically may be integral with the snap connector.
  • the elastic beam is divided into two portions, and the protrusion connects the two portions of the elastic beam.
  • the protrusion extending perpendicular to the elastic beam, may be arranged between the two portions of the elastic beam and be connected to each portion of the elastic beam.
  • An arrangement as just described in an embodiment leads to a "UU"-shape of the snap connector.
  • the two adjacent legs of the Us represent the protrusion, the remaining legs each carry a distance element for attaching the snap connector to a surface, and the bottom line of each U represents one portion of the elastic beam.
  • a snap connection according to the invention includes a snap connector according to the invention as described above and a catch, configured such that the hook can engage the catch by first elastically deforming and then releasing the elastic beam.
  • the elastic beam is under elastic load if the hook is engaged with the catch.
  • the protrusion may be tilted and/or shifted, and upon releasing the elastic beam the protrusion will attempt to return into its initial position, the hook thereby engaging the catch and the elastic beam retaining an elastic load. There is no gap between hook and catch and the elastic load retained by the elastic beam keeps hook and catch tightly together.
  • the snap connection thus is obviously suitable for situations where a sealed connection is required.
  • Fig. 1 shows a prior art snap connection, with a snap connector 100 and a catch 20.
  • Snap connector 100 has a protrusion 101 with a hook 102, the hook 102 engages catch 20. Between hook 102 and catch 20 there remains a gap 150. Due to the gap 150, the prior art snap connection shown cannot be used if a sealed connection is required. The gap 150, allowing some relative movement of hook 102 and catch 20, may also lead to noise from and increased wear of the snap connection.
  • Fig. 2 shows a snap connector 10 according to the invention, attached to a surface 200.
  • the snap connector 10 has a protrusion 11 with a hook 12.
  • the protrusion 11 is attached to an elastic beam 13, which in the embodiment shown is divided into two portions 14.
  • the two portions 14 are connected by the protrusion 11.
  • the protrusion 11 extends perpendicular to the elastic beam 13.
  • the snap connector 10 has two distance elements 15 as integral parts, by which distance elements 15 the snap connector 10 is attached to the surface 200. As a result, there is a distance 210 between the surface 200 and the elastic beam 13.
  • Fig. 3 shows a further view of the snap connector 10 according to the invention, shown in Fig. 2 . All elements shown have already been discussed in relation to Fig. 2 .
  • Fig. 4 shows a snap connection 30 according to the invention, with a catch 20 and a snap connector 10 according to the invention.
  • the snap connector 10 is attached to a surface 200, all elements of the snap connector 10 shown have already been discussed in the context of Fig. 2 .
  • the hook 12 engages the catch 20, and there is no gap between catch 20 and hook 12.
  • an elastic load remains on elastic beam 13, ensuring a tight contact between hook 12 and catch 20. Due to distance elements 15, the elastic beam 13 is at a distance 210 from the surface 200.

Landscapes

  • Connector Housings Or Holding Contact Members (AREA)
EP20157051.2A 2020-02-13 2020-02-13 Connecteur encliquetable et connexion à encliquetage Withdrawn EP3866275A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20157051.2A EP3866275A1 (fr) 2020-02-13 2020-02-13 Connecteur encliquetable et connexion à encliquetage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20157051.2A EP3866275A1 (fr) 2020-02-13 2020-02-13 Connecteur encliquetable et connexion à encliquetage

Publications (1)

Publication Number Publication Date
EP3866275A1 true EP3866275A1 (fr) 2021-08-18

Family

ID=69581981

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20157051.2A Withdrawn EP3866275A1 (fr) 2020-02-13 2020-02-13 Connecteur encliquetable et connexion à encliquetage

Country Status (1)

Country Link
EP (1) EP3866275A1 (fr)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017204600A1 (de) * 2017-03-20 2018-09-20 Robert Bosch Gmbh Verbinder zum Verbinden von zwei Gehäuseteilen und Gehäuse umfassend zwei Gehäuseteile und mindestens einen Verbinder

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017204600A1 (de) * 2017-03-20 2018-09-20 Robert Bosch Gmbh Verbinder zum Verbinden von zwei Gehäuseteilen und Gehäuse umfassend zwei Gehäuseteile und mindestens einen Verbinder

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