EP3843221B1 - Cadre de support pour un connecteur - Google Patents

Cadre de support pour un connecteur

Info

Publication number
EP3843221B1
EP3843221B1 EP20212986.2A EP20212986A EP3843221B1 EP 3843221 B1 EP3843221 B1 EP 3843221B1 EP 20212986 A EP20212986 A EP 20212986A EP 3843221 B1 EP3843221 B1 EP 3843221B1
Authority
EP
European Patent Office
Prior art keywords
contact
holding frame
tabs
clamping
parts
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.)
Active
Application number
EP20212986.2A
Other languages
German (de)
English (en)
Other versions
EP3843221A1 (fr
Inventor
Lukas BRILLO
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.)
Phoenix Contact GmbH and Co KG
Original Assignee
Phoenix Contact GmbH and Co KG
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 Phoenix Contact GmbH and Co KG filed Critical Phoenix Contact GmbH and Co KG
Publication of EP3843221A1 publication Critical patent/EP3843221A1/fr
Application granted granted Critical
Publication of EP3843221B1 publication Critical patent/EP3843221B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
    • H01R13/42—Securing in a demountable manner
    • H01R13/426—Securing by a separate resilient retaining piece supported by base or case, e.g. collar or metal contact-retention clip
    • 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
    • H01R13/516—Means for holding or embracing insulating body, e.g. casing, hoods
    • H01R13/518—Means for holding or embracing insulating body, e.g. casing, hoods for holding or embracing several coupling parts, e.g. frames
    • 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
    • H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
    • H01R13/42—Securing in a demountable manner
    • H01R13/436—Securing a plurality of contact members by one locking piece or operation
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/484—Spring housing details
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
    • H01R4/64—Connections between or with conductive parts having primarily a non-electric function, e.g. frame, casing, rail
    • H01R4/646—Connections between or with conductive parts having primarily a non-electric function, e.g. frame, casing, rail for cables or flexible cylindrical bodies
    • 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
    • H01R13/514—Bases; Cases composed as a modular blocks or assembly, i.e. composed of co-operating parts provided with contact members or holding contact members between them
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/48185—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end
    • H01R4/4819—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end the spring shape allowing insertion of the conductor end when the spring is unbiased
    • H01R4/4821—Single-blade spring
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/4828—Spring-activating arrangements mounted on or integrally formed with the spring housing
    • H01R4/4833—Sliding arrangements, e.g. sliding button
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/4846—Busbar details

Definitions

  • the invention relates to a holding frame for a connector for receiving several contact inserts, comprising two opposing side parts and two opposing end parts, wherein the two end parts are arranged perpendicular to the side parts, wherein at least one elastic tab is provided on each of the two side parts, and wherein the tabs each have a locking means for fixing a locking projection of a contact insert inserted into the holding frame, wherein at least one end part consists at least partially of an electrically conductive material and has a PE connection.
  • mounting frames are designed to hold multiple contact inserts, each consisting of a rectangular insulating body containing various contact elements. Because the contact inserts can be individually inserted into the mounting frame, it is possible to equip a mounting frame with different contact inserts depending on the application.
  • the mounting frame with the contact inserts is therefore modular, and the contact inserts are also referred to as contact insert modules or contact modules.
  • the fully assembled mounting frame, containing the respective contact inserts, can be inserted into and secured within a connector housing, with the connector serving as the interface for mating with a corresponding mating connector.
  • mounting frames are known in practice, allowing for the modular insertion of individual contact inserts.
  • Some mounting frames consist of two hinged frame halves, where the contact inserts are inserted into corresponding recesses in the frame when it is open and held securely in place when it is closed.
  • Other mounting frames have a fixed base frame into which the individual contact inserts are first inserted into corresponding recesses.
  • a mounting bracket is attached to the base frame to secure and fasten the contact inserts.
  • the mounting bracket extends over the base frame. Protrusions formed on the front faces of the contact inserts that engage in corresponding recesses on the upper edge of the base frame.
  • a mounting frame for a connector is known, which is formed in one piece and made of a plastic material.
  • the two opposing side walls of the mounting frame have several elastic wall segments separated by slots, each with a window-like opening. This allows a contact insert, with its locking projections on its end faces, to be inserted between two opposing wall segments until the two locking projections engage in the opposing window-like openings.
  • a disadvantage, however, is that the mounting frame is made entirely of plastic, making it unsuitable for protective earthing when installed in a metallic connector housing.
  • the mounting frame preferably consists of two opposing side parts and two opposing end parts.
  • the end parts are arranged perpendicular to the side parts, and the side parts can be snapped into place with the end parts.
  • Each end part has a PE screw contact, forming a PE wall.
  • the side parts have locking windows that correspond to the locking lugs of the contact inserts.
  • the contact inserts must be inserted into the mounting frame before the frame is assembled, as otherwise the locking lugs of the contact inserts cannot be engaged in the locking windows in the side parts.
  • the DE 10 2015 103 563 A1 Disclosing a holding frame made of an electrically conductive material, consisting of a rigid, rectangular base frame with two side parts and two end parts, wherein upwardly open recesses are formed at the upper edge of the side parts, which are laterally bounded by webs extending parallel to the insertion direction of a contact insert.
  • Several spring-elastic tabs are attached to the two side parts, for which the lower sections of the The slots are bent 180° around the lower edge of the corresponding side wall of the base frame. Additionally, the tabs each have a retaining tongue in their bent section, which engages in a corresponding retaining opening in the side panel.
  • Each tab has a recess, and the tabs are arranged on the side panels such that the recesses in the tabs and the recesses in the side panels are aligned with each other.
  • the upper edge of each recess is bounded by a bracket section with an inwardly projecting locking lug.
  • This locking lug projects into the respective recess of a side panel, so that the locking projection of a contact insert placed in the retaining frame is engaged by the locking lug formed on the tab.
  • the lower edge of the locking projection rests on the lower edge of the recess in the side panel, while the lateral edges of the locking projection are held by the webs that laterally define the recess.
  • the tabs preferably consist of a spring-elastic sheet metal, so that the tabs have corresponding spring-elastic properties that allow the contact inserts to be inserted between two opposing tabs until the locking projections formed on the contact inserts are engaged by the inwardly projecting locking lugs formed on the tabs and are thereby fixed in the holding frame.
  • the end faces which are made of an electrically conductive material, in particular sheet metal, each have a flange section with a PE connection.
  • the PE connection has a screw terminal, allowing a protective conductor to be electrically connected to the PE terminal's contact point via the screw terminal.
  • This type of mounting frame allows for simple yet secure attachment of the contact inserts, and individual contact inserts can also be easily replaced. However, installation is somewhat complex, especially when connecting a protective conductor in confined spaces.
  • a contact insert for a connector part consisting of a frame part into which a contact module can be inserted, and
  • the grounding element consists of a grounding element that can be attached to an end face of the frame member.
  • the grounding element has bent engagement sections that can be inserted into corresponding engagement openings on an end face of the frame member.
  • a protective conductor can be connected to the grounding element by means of a spring element, whereby the protective conductor is clamped by the clamping leg of the spring element against a contact section formed on the grounding element.
  • the grounding element also has a contact lug that serves to connect to a corresponding contact lug of a second contact insert.
  • a similar contact insert for a connector is from the DE 10 2017 105 079 A1 known.
  • This publication also discloses an earthing element that is attached to an end face of the frame part.
  • the contacting device interacting with the earthing element has a spring element which is pivotably mounted with a bearing section on a counter-bearing section formed on the earthing element, so that a protective conductor can be clamped by the clamping leg of the spring element against a contact piece formed on the earthing element.
  • the DE 10 2013 114 261 A1 Disclosure reveals a protective contact arrangement for an electronics housing, which has a spring-loaded clamping connection.
  • the known protective contact arrangement is designed to make spring-loaded contact with a mounting rail, for which purpose a special mounting slot is provided in the base area of the electronics housing.
  • the present invention is based on the objective of providing a holding frame that is as easy to manufacture as possible and allows for the simplest possible assembly.
  • the PE connection has a screwless connection device and a metallic contact that is electrically connected to the connection device.
  • the screwless connection device is designed as a spring-clamp connection comprising a clamping spring and a contact piece.
  • a torsion spring is used as the clamping spring, comprising a clamping leg and a retaining leg.
  • the clamping spring features sections connected by a spring-loaded arc.
  • the clamping arm of the spring, together with the contact piece, forms a clamping point for the protective conductor to be connected.
  • the stripped end of the protective conductor is pressed by the clamping arm against the contact piece, which is electrically connected to the terminal contact.
  • the design of the PE connection as a spring-loaded clamp connection can be implemented particularly easily by forming the contact piece, against which the conductor to be connected is pressed by the clamping arm of the spring, as a single unit with the end face.
  • the contact piece can simply be punched out of the end face and bent. If, on the other hand, the end face is a die-cast part, in particular zinc or aluminum, the contact piece is preferably formed directly onto the end face during the die-casting process.
  • the mounting frame according to the invention has at least one PE connection that is not a screw connection but a screwless connection device, the effort required to connect a protective conductor is reduced. This also simplifies the assembly of the mounting frame, which is associated with a reduction in the assembly time of the individual mounting frames.
  • the advantage of a spring-loaded clamp connection with a torsion spring as the clamping spring is that no additional assembly step is required to connect a rigid conductor.
  • the end of a rigid conductor can simply be inserted into the clamping point, as the clamping leg is deflected by the end of the rigid conductor during insertion.
  • the protective conductor to be connected is inserted into the clamping point, it is securely held by the end of the clamping leg, which runs at an angle to the insertion direction of the conductor, thus preventing the conductor from being unintentionally pulled out of the clamping point.
  • a housing is arranged at least on the end face that has a PE terminal.
  • the housing is preferably attached to the end face by means of corresponding snap-in elements.
  • the housing which is made of an insulating material, has a conductor entry opening for inserting the protective conductor to be connected and, preferably, an actuation opening for opening the clamping point.
  • the clamping arm not only presses the protective conductor against the contact piece, thereby establishing an electrically conductive connection between the free end of the protective conductor and the contact piece, but the free end of the clamping arm also prevents the protective conductor from being unintentionally pulled out of the clamping point.
  • the clamping arm of the clamping spring must be deflected against its spring force.
  • a suitable actuating tool for example the end of a screwdriver, can be inserted through the actuating opening into the housing part, the actuating opening being arranged in such a way to the clamping spring that the clamping leg is deflected against its spring force when the actuating tool is inserted and thus lifted off the connected conductor.
  • an actuating element is arranged in the actuating opening to open the clamping point.
  • This element can be moved from a first position, in which the clamping point is closed, to a second position, in which the clamping point is open. In the second position of the actuating element, the clamping leg of the clamping spring is deflected by the actuating element against its spring force.
  • the actuating element can be, for example, a pivotally mounted actuating lever or an actuating push button slidably arranged in the actuating opening.
  • the end piece which has a PE connection, is provided not only with the contact piece for the clamping point, but also with a fastening element for the clamping spring and preferably also with a stop element for the clamping leg of the clamping spring.
  • a fastening element ensures secure positioning and retention of the clamping spring.
  • corresponding contact sections for the clamping spring can also be provided in the housing, so that the clamping spring is securely and functionally supported and positioned by the end piece and the housing part.
  • the provision of an additional stop element on the end piece has the advantage that the clamping leg of the clamping spring is thereby protected against excessive deflection, which could damage the clamping spring or impair its spring properties.
  • the retaining frame according to the invention can, in principle, have a one-piece base frame formed by the two side parts and the two end parts.
  • a base frame is preferably designed as a die-cast part, for example, a zinc die-cast part or an aluminum die-cast part.
  • the two side parts and the two end parts are initially designed or manufactured as separate components before the two side parts are firmly connected to the two end parts, in particular by welding, soldering, riveting, or stamping.
  • the individual components, i.e., the side parts and the end parts preferably consist of sheet metal, for example, a sheet of steel or a sheet of a copper alloy.
  • the side panels and end panels preferably have interlocking contours at the connection points, so that the side panels and end panels can first be assembled or fitted together before being permanently joined at the connection points by welding, soldering, riveting, or embossing.
  • the design of interlocking contours has the additional advantage that, in addition to a force-fit or material-fit, a form-fit is also created at the connection points.
  • Constructing the mounting frame from several separate components also offers the advantage of easily producing different mounting frames designed to hold varying numbers of contact inserts. For example, a mounting frame intended to hold six contact inserts would only require different, correspondingly longer side panels compared to one designed for four, while the same end panels could be used for both.
  • the individual side panels could preferably be manufactured from a continuous die-cut strip, with different lengths being cut depending on the size of the mounting frame being produced.
  • the tabs on the side parts each have a locking element.
  • These locking elements can be, for example, recesses or detent windows in the tabs.
  • two retaining elements are formed as locking elements on the upper part of the tabs in the insertion direction E of a contact insert. These retaining elements extend outwards from the upper part of the tab perpendicular to the insertion direction E.
  • the tabs are arranged on the side parts such that at least one tab is positioned with its upper part between two detent projections, so that the retaining elements at least partially overlap the detent projections of the contact inserts when the contact inserts are inserted into the retaining frame.
  • Such a retaining frame also differs from those known from the prior art in that each tab has two retaining elements as a locking mechanism, with these two retaining elements interacting with two locking projections on the contact inserts.
  • each tab has only one locking element, so that each tab interacts with only one locking projection on a contact insert, regardless of whether the locking element is designed as a locking window or a locking lug.
  • the two locking projections which are at least partially engaged by the two retaining elements of a tab, can be formed either on two contact inserts arranged side by side in the retaining frame, or on a single contact insert, which then has twice the width.
  • a detent projection formed on its end face is engaged by at least one retaining element of a tab. If the contact insert is located between two tabs, its detent projection is engaged by one retaining element of each of the two tabs, i.e., by a total of two retaining elements.
  • the retaining elements preferably have a length perpendicular to the insertion direction E of the contact inserts that is only slightly less than the corresponding extent of a detent projection of a contact insert, so that only a small gap remains between two retaining elements of two adjacent tabs that together engage a detent projection.
  • the retaining elements of the tabs are preferably designed or arranged to form an insertion ramp for a locking projection of a contact insert.
  • Such an insertion ramp can be achieved, for example, by arranging the retaining elements at a slight angle to the insertion direction E or to the longitudinal extent of the tabs at the upper region of the tabs. The retaining elements are thus slightly inclined relative to the insertion direction E.
  • At least one elastic tab is provided on each of the two side parts of the mounting frame.
  • more than one tab for example two, three, four, five, or even more tabs, are provided on each side part.
  • the at least one tab is formed integrally with the respective side part, so that fastening the tabs to the side parts is not necessary, thus eliminating a corresponding manufacturing step.
  • the tabs are then preferably molded onto the upper edge of the side parts.
  • the respective side part and the tabs molded onto it are then essentially flat, which is advantageous due to the typically limited installation space for a mounting frame in a connector housing.
  • two shoulders are formed on the tabs, each positioned a certain distance below a retaining element.
  • the distance between one shoulder and the opposite retaining element is selected such that the locking projection of a contact insert placed in the retaining frame rests on the shoulder.
  • the retaining element partially overlaps the tabs. Because the tabs have shoulders that serve as supports for the locking lugs of the contact inserts, the tabs can be relatively large. When a contact insert is inserted between two opposing tabs, the tabs spring apart slightly without requiring much force, allowing the contact insert to slide past the retaining elements of the tab with its two locking lugs.
  • the tabs of one side panel preferably have a different width in their upper region than the tabs of the other side panel.
  • the formation of tabs of different widths, at least in their upper region, on the two opposing side panels results in a different distance between two adjacent tabs in the upper region on the two side panels. This allows for a coding system for the individual slots, enabling the insertion of the contact inserts in only one orientation, provided that the locking projections on the two end faces of the contact inserts also have different widths.
  • FIG. 1 and 6 Figure 1 shows two different embodiments of a retaining frame 1 according to the invention, each in perspective view, obliquely from above, where "above” is the side of the retaining frame 1 from which a contact insert 2 is inserted into the retaining frame 1 in the insertion direction E. While the retaining frames 1 according to the Fig. 1 and 6 designed to accommodate two contact missions each, is in Figure 3 a variant of the mounting frame 1 according to Fig. 1 shown, in which the three contact inserts 2 are plugged in.
  • the retaining frame 1 has a rectangular base shape and consists of two opposing side parts 3, 3' and two opposing end parts 4, 4', the two end parts 4, 4' being arranged perpendicular to the side parts 3, 3'.
  • Each has only one elastic tab 5, 5', which is formed integrally with the side parts 3, 3' and arranged opposite each other.
  • Two tabs 5, 5' per side part 3, 3' are provided, wherein the tabs 5, 5' are formed integrally with the side parts 3, 3' and are arranged opposite each other in pairs.
  • Two separate tabs are attached in pairs, opposite each other, to the two side pieces 3, 3' of the basic frame shown only, as separate components.
  • the tabs can be designed as shown in the DE 10 2015 103 563 The tabs shown and described.
  • the tabs can be attached to the side pieces 3, 3' by riveting or snapping.
  • the mounting frame 1 shown also differs from the one shown in the Figs. 6 and 7 the illustrated retaining frame 1, that in the embodiments according to the Figs. 1 to 3 the side parts 3, 3' and the end parts 4, 4' each consist of sheet metal, in particular sheet steel, and are designed as separate components, whereas in the embodiment according to the Figs. 6 and 7 the side parts 3, 3' and the end parts 4, 4' form a one-piece base frame and are manufactured using the die-casting process as a zinc die-cast part or as an aluminum die-cast part.
  • the mounting frame shown in the figures has a PE connection on each of its two end faces, 4, 4', wherein the PE connection is formed by a screwless connection device 7 and a connection contact 8, 9.
  • One connection contact 8 is designed as a contact pin, while the other connection contact 9 is designed as a contact socket.
  • the screwless connection device 7 is designed as a spring-clamp connection comprising a clamping spring 10 and a contact piece 11.
  • the approximately V-shaped or U-shaped clamping spring 10 has a clamping leg 12 and a retaining leg 13, wherein the clamping leg 12, together with the contact piece 11, forms a clamping point for a protective conductor to be connected. In the connected state, the stripped end of the protective conductor is pressed by the end of the clamping leg 12 against the contact piece 11, which is electrically connected to a connection contact 8, 9.
  • the mounting frame 1 comprises, in addition to the two side parts 3, 3' and the two end parts 4, 4', two housing parts 14, each of which is arranged on an end part 4, 4'.
  • the housing parts 14 are attached to the end parts 4, 4' in particular by means of corresponding snap-fit elements, so that the housing parts 14 can be attached to the end parts 4, 4' simply and without tools.
  • the housing parts 14 each have a conductor entry opening 15 for inserting the protective conductor to be connected and an actuating opening 16 for opening the clamping point.
  • An actuating element 17 is slidably arranged in the actuating opening 16 such that it can be moved from a first position ( Fig. 5a ), in which the clamping point is closed, into a second position ( Fig.
  • the contact piece 11 is formed integrally with the end piece 4.
  • the contact piece 11 is first punched out on three sides and then bent from the base surface of the end piece 4 by approximately 90°.
  • the end piece 4 also has two tab-shaped fastening elements 18 for holding and fixing the clamping spring 10 and a stop element 19 for the clamping leg 12 of the clamping spring 10.
  • the two fastening elements 18 and the stop element 19 are also formed by punching out and bending from the base surface of the end piece 4. This ensures a secure positioning and holding of the clamping spring 10 on the end piece 4 in a simple manner, with the clamping spring 10 being additionally held in position by contact surfaces formed in the housing part 14.
  • FIG. 2 Figure 1 shows that in the illustrated embodiment, the retaining frame 1 consists of individual components, namely, in particular, the two side parts 3, 3' and the two end parts 4, 4', which are firmly connected to one another.
  • the side parts 3, 3' and the end parts 4, 4' have interlocking contours 20, 21 at the connection points. This allows the side parts 3, 3' and the end parts 4, 4' to be first inserted into one another before being firmly connected to each other, for example, by welding, soldering, or embossing.
  • the two end faces 4, 4' each have a flange section 22, 22', which is connected to a metallic terminal contact 8, 9. Furthermore, holes are formed in the flange sections 22, 22' for receiving screws with which the retaining frame 1 can be screwed into a connector housing.
  • the flange sections 22, 22' serve in addition to receiving the housing parts 14, which are attached to the end parts 4, 4' above the flange sections 22, 22'.
  • the contact inserts 2 each have a locking projection 6 on their opposite end faces.
  • the tabs 5, 5' each have two retaining elements 23 on their upper region 24.
  • the two retaining elements 23 of a tab 5, 5' extend perpendicular to the insertion direction E of a contact insert 2 in opposite directions from the upper region 24 of the tab 5, 5' outwards, so that when the contact inserts 2 are inserted, their locking projections 6 are partially engaged by the retaining elements 23.
  • Fig. 3 It is evident that the tabs 5, 5' are arranged on the side parts 3, 3' such that each tab 5, 5' is positioned with its upper region 24 between two locking projections 6 of two contact inserts 2. The tabs 5, 5' are thus located with their central axis between two contact inserts 2 inserted into the retaining frame 1.
  • the illustrated retaining frame 1 is designed to hold two contact inserts 2, each contact insert 2 having a locking projection 6 on each of its end faces.
  • a double-width contact insert can also be used in the retaining frame 1, which then has two locking projections on each of its two end faces.
  • the one shown Fig. 3 The illustrated retaining frame 1, on the other hand, is designed to accommodate three contact inserts 2 of "single" width.
  • the retaining frame according to the invention can also have a length suitable for accommodating a different number of contact inserts, for example, four, five, six or more contact inserts 2.
  • the retaining elements 23 are arranged on the tabs 5, 5' such that they form an insertion ramp for a detent projection 6 of a contact insert 2.
  • the retaining elements 23 are bent away from the tabs 5, 5' such that they are slightly inclined towards the insertion direction E.
  • a contact insert 2 can thus be easily inserted between two opposing tabs 5, 5', with the tabs 5, 5' being slightly inclined. are deflected outwards when the locking projections 6 slide along the retaining elements 23.
  • the tabs 5, 5' are formed integrally with the side parts 3, 3'.
  • the tabs 5, 5' are formed on the upper edge 25 of the sides 3, 3', extending from the upper edge 25 in the opposite direction to the insertion direction E.
  • two shoulders 26 are formed on each of the tabs 5, 5', each located slightly below a retaining element 23. The free distance between the shoulders 26 and the retaining elements 23 is adapted to the corresponding height of the locking projections 6 of the contact inserts 2.
  • the locking projections 6 rest on the shoulders 26 of the tabs 5, 5' and are simultaneously partially engaged by the retaining elements 23.
  • the two end faces 4, 4' of the retaining frame 1 are identical. This simplifies the manufacture of the retaining frame 1.
  • the two opposing side faces 3, 3' differ in that the tab 5 of one side face 3 is wider in its upper region 24 than the tab 5' of the other side face 3'. This results in the distance between the tab 5 of one side face 3 and the two end faces 4, 4' being smaller than the distance between the tab 5' of the other side face 3' and the end faces 4, 4'.
  • This allows for coding of the individual slots, ensuring that the contact inserts 2 can only be inserted in exactly one orientation if the locking projections 6 on the two end faces of the contact inserts 2 are also of different widths.

Landscapes

  • Connector Housings Or Holding Contact Members (AREA)

Claims (14)

  1. Cadre de maintien (1) pour un connecteur enfichable destiné à recevoir plusieurs inserts de contact (2), comprenant deux parties latérales (3, 3') opposées l'une à l'autre et deux parties frontales (4, 4') également opposées l'une à l'autre, les deux parties frontales (4, 4') étant disposées perpendiculairement aux parties latérales (3, 3'),
    au moins une languette élastique (5, 5') étant prévue au niveau de chacune des deux parties latérales (3, 3') et les languettes (5, 5') possédant respectivement un moyen d'encliquetage servant au blocage d'une saillie d'encliquetage (6) d'un insert de contact (2) inséré dans le cadre de maintien (1), et
    au moins une partie frontale (4, 4') étant constituée au moins partiellement d'un matériau électriquement conducteur et possédant une borne de terre,
    caractérisé en ce
    que la borne de terre possède un dispositif de raccordement sans vis (7) et un contact de raccordement métallique (8, 9) qui est relié de manière électriquement conductrice au dispositif de raccordement (7),
    que le dispositif de raccordement sans vis (7) est réalisé sous la forme d'un raccordement à ressort qui possède un ressort de serrage (10) et une pièce de contact (11), que le ressort de serrage (10) possède une branche de serrage (12) et une branche de maintien (13), la branche de serrage (12) formant avec la pièce de contact (11) un point de serrage pour un conducteur de protection à raccorder, et en ce que la pièce de contact (11) est reliée de manière électriquement conductrice au contact de raccordement (8, 9), et en ce que la partie frontale (4, 4') et la pièce de contact (11) sont réalisées d'un seul tenant.
  2. Cadre de maintien (1) selon la revendication 1, caractérisé en ce qu'une partie de boîtier (14) est disposée au moins sur la partie frontale (4, 4') qui possède une borne de terre, le partie de boîtier (14) étant constituée d'un matériau isolant et possédant une ouverture d'introduction de conducteur (15) destinée à introduire le conducteur de protection à raccorder et une ouverture d'actionnement (16) destinée à ouvrir le point de serrage.
  3. Cadre de maintien (1) selon la revendication 2, caractérisé en ce qu'un élément d'actionnement (17) est disposé dans l'ouverture d'actionnement (16), en ce que l'élément d'actionnement (17) peut être amené d'une première position, dans laquelle le point de serrage est fermé, à une deuxième position, dans laquelle le point de serrage est ouvert, la branche de serrage (12) du ressort de serrage (10) dans la deuxième position de l'élément d'actionnement (17) étant déviée par l'élément d'actionnement (17) à l'encontre de sa force de ressort.
  4. Cadre de maintien (1) selon l'une des revendications 1 à 3, caractérisé en ce qu'au moins la partie frontale (4, 4') qui possède une borne de terre est constituée de tôle, notamment d'une tôle d'acier ou d'une tôle en un matériau à base de cuivre, et en ce que la pièce de contact (11) est découpée et pliée à partir de la partie frontale (4, 4').
  5. Cadre de maintien (1) selon l'une des revendications 1 à 4, caractérisé en ce qu'au moins la partie frontale (4, 4') qui possède une borne de terre est réalisée sous la forme d'une pièce moulée sous pression, notamment sous la forme d'une pièce moulée sous pression en zinc ou d'une pièce moulée sous pression en aluminium, et en ce que la pièce de contact (11) est formée sur la partie frontale (4, 4') lors du processus de moulage sous pression.
  6. Cadre de maintien (1) selon l'une des revendications 1 à 5, caractérisé en ce qu'un élément de fixation (18) pour le ressort de serrage (10) et/ou un élément de butée (19) pour la branche de serrage (12) du ressort de serrage (10) est ou sont formés au niveau de la partie frontale (4, 4') qui possède une borne de terre.
  7. Cadre de maintien (1) selon l'une des revendications 1 à 6, caractérisé en ce que les parties latérales (3, 3') et les parties frontales (4, 4') sont réalisées comme des composants séparés, les deux parties latérales (3, 3') étant reliées à demeure aux deux parties frontales (4, 4'), notamment soudées, brasées, rivetées ou estampées les unes aux autres.
  8. Cadre de maintien (1) selon la revendication 7, caractérisé en ce que les parties latérales (3, 3') et les parties frontales (4, 4) possèdent des contours qui s'emboîtent les uns dans les autres (20, 21) au niveau des points de jonction.
  9. Cadre de maintien (1) selon la revendication 7 ou 8, caractérisé en ce que les deux parties frontales (4, 4') sont de conception identique.
  10. Cadre de maintien (1) selon l'une des revendications 1 à 9, caractérisé en ce qu'une portion de bride (22, 22') qui est reliée de manière électriquement conductrice au contact de raccordement métallique (8, 9) est disposée au moins au niveau de la partie frontale (4, 4') qui possède une borne de terre.
  11. Cadre de maintien (1) selon l'une des revendications 1 à 10, caractérisé en ce que deux éléments de maintien (23) sont respectivement formés en tant que moyens d'encliquetage au niveau de la zone supérieure (24) des languettes (5, 5') dans la direction d'introduction E d'un insert de contact (2), en ce que les éléments de maintien (23) d'une languette (5, 5') s'étendent vers l'extérieur perpendiculairement à la direction d'introduction E dans la direction opposée à la partie supérieure (24) de la languette (5, 5'), et en ce que les languettes (5, 5') sont disposées au niveau des parties latérales (3, 3') de telle sorte qu'une languette (5, 5') soit respectivement disposée au moins avec sa partie supérieure (24) entre deux saillies d'encliquetage (6), de sorte que les éléments de maintien (23) recouvrent au moins partiellement les saillies d'encliquetage (6) des inserts de contact (2) introduits dans le cadre de maintien (1).
  12. Cadre de maintien (1) selon la revendication 11, caractérisé en ce que les languettes (5, 5') sont réalisées d'un seul tenant avec les parties latérales (3, 3').
  13. Cadre de maintien (1) selon la revendication 11 ou 12, caractérisé en ce que deux épaulements (26) sont formés sur les pattes (5, 5'), qui se trouvent respectivement en dessous d'un élément de maintien (23), de sorte que la saillie d'encliquetage (6) d'un insert de contact (2) introduit dans le cadre de maintien (1) repose sur un épaulement (26).
  14. Cadre de maintien (1) selon l'une des revendications 11 à 13, caractérisé en ce que les languettes (5) de l'une des parties latérales (3) présentent dans leur zone supérieure (24) une largeur différente de celle des languettes (5') de l'autre partie latérale (3') dans leur zone supérieure (24).
EP20212986.2A 2019-12-23 2020-12-10 Cadre de support pour un connecteur Active EP3843221B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102019135726.8A DE102019135726A1 (de) 2019-12-23 2019-12-23 Halterahmen für einen Steckverbinder

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Publication Number Publication Date
EP3843221A1 EP3843221A1 (fr) 2021-06-30
EP3843221B1 true EP3843221B1 (fr) 2025-12-03

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EP (1) EP3843221B1 (fr)
CN (1) CN113097771A (fr)
DE (1) DE102019135726A1 (fr)

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DE102021124359A1 (de) * 2021-09-21 2023-03-23 Lisa Dräxlmaier GmbH Aufnahmeanordnung und verfahren zur aufnahme von einer elektrischen komponente und verfahren
DE102022107244A1 (de) 2022-03-28 2023-09-28 Harting Electric Stiftung & Co. Kg Erdungsmodul zur Aufnahme in einen metallischen Steckverbindermodularrahmen und zur Erdung desselben
BE1030677B1 (de) 2022-06-29 2024-01-29 Phoenix Contact Gmbh & Co Halterahmen für einen Steckverbinder
DE102022116147A1 (de) 2022-06-29 2024-01-04 Phoenix Contact Gmbh & Co. Kg Halterahmen für einen Steckverbinder
BE1032383B1 (de) 2024-02-05 2025-09-01 Phoenix Contact Gmbh & Co Halterahmen für einen Steckverbinder

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EP3312940A1 (fr) * 2016-10-20 2018-04-25 Phoenix Contact GmbH & Co. KG Insert de contacts pour une partie de connecteur
DE102015103563B4 (de) * 2015-03-11 2020-08-20 Phoenix Contact Gmbh & Co. Kg Halterahmen zum Aufnehmen von modularen Kontakteinsätzen

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DE202005020026U1 (de) 2005-12-22 2006-03-16 Harting Electric Gmbh & Co. Kg Halterahmen für Steckermodule
DE102013104394B4 (de) * 2013-04-30 2021-06-10 Wago Verwaltungsgesellschaft Mbh Leiteranschlussklemme
DE102013114261A1 (de) * 2013-12-17 2015-06-18 Eaton Electrical Ip Gmbh & Co. Kg Elektronikgehäuse eines Schaltgeräts und eine im Elektronikgehäuse montierbare Schutzkontaktanordnung
EP3067993B1 (fr) * 2015-03-11 2019-01-30 Phoenix Contact GmbH & Co. KG Cadre de support destine a recevoir des inserts de contact modulaires
DE102017105079A1 (de) * 2017-03-10 2018-09-13 Phoenix Contact Gmbh & Co. Kg Kontakteinsatz für ein Steckverbinderteil
DE102017124632A1 (de) * 2017-10-23 2019-04-25 Harting Electric Gmbh & Co. Kg Halterahmen für einen Industriesteckverbinder
EP3477792A1 (fr) * 2017-10-27 2019-05-01 Wago Verwaltungsgesellschaft mbH Connecteur enfichable de prise et contact de mise à la terre de protection correspondant
DE102017125859A1 (de) * 2017-11-06 2019-05-09 Harting Electric Gmbh & Co. Kg Modularer Halterahmen für Steckverbinder

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EP3312940A1 (fr) * 2016-10-20 2018-04-25 Phoenix Contact GmbH & Co. KG Insert de contacts pour une partie de connecteur

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DE102019135726A1 (de) 2021-06-24
EP3843221A1 (fr) 2021-06-30

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