EP3405997A1

EP3405997A1 - Electrical plug-in connector and method for mounting same

Info

Publication number: EP3405997A1
Application number: EP17700682.2A
Authority: EP
Inventors: Andreas Ramm
Original assignee: Bals Elektrotechnik GmbH and Co KG
Current assignee: Bals Elektrotechnik GmbH and Co KG
Priority date: 2016-01-18
Filing date: 2017-01-18
Publication date: 2018-11-28
Anticipated expiration: 2037-01-18
Also published as: HUE057522T2; PL3405997T3; DE102016100755A1; ES2905669T3; LT3405997T; HRP20220016T1; DK3405997T3; PT3405997T; WO2017125441A1; SI3405997T1; EP3405997B1; CY1124962T1

Abstract

The invention relates to an electrical plug-in connector and to a method for mounting an electrical plug-in connector which can be connected to one end of an electrical line or of a cable and comprises a contact carrier plus at least one contact element which is inserted in the contact carrier parallel to a longitudinal axis and held thereby in a supported manner, wherein a rear end of the contact element has a clamping spring, and a housing part, which is to be mounted on the contact carrier, has an inner surface which at least partially surrounds the clamping spring after a mounting operation, wherein an, in particular elongate, contact opener is arranged between said inner surface and the clamping spring, which contact opener is assigned to the clamping spring and is held so as to be movable between a first and a second position, and wherein this inner surface forms a region in which at least part of the contact opener is received in order, in the first position thereof, to release the clamping spring.

Description

Electrical connector and method for its assembly

Description: The invention relates to a connectable to one end of an electrical line or a cable electrical

Plug-in connector for a plug-in device, in particular according to the standards IEC 309-1, IEC 309-2 and / or EN 60309 1 + 2. Electrical plug devices of this type are

As is generally known, they are used industrially for indoor or outdoor use and are used to connect an electrical line to a device or a fixed installation or installation. for connecting two

electrical, in particular flexible, cables or cables.

For this purpose, each of these plug devices comprises two plug connectors, wherein at least one plug connector, namely a plug or a coupling, can be connected to an electrical line. The plug is here in the

Typically, the connector connected to the electrical line connected to a device or a coupling

is connected. The clutch is usually the

Connector connected to one with a power source

connected electrical line is connected.

Electrical connectors may further be provided with electrically conductive spring terminals, hereinafter referred to as spring terminals, which are usually provided with each of a connection opening, in which a free electrical wire end of a to be connected

electrical line or a cable is inserted, ie usually inserted or. is pluggable to this electrical wire end to the respective spring clip

screwless. In this way, usually connected to such connectors one or more multi-wire composites of electrical wires of electrical cables or cables.

The spring clips are in these connectors each at a rear end, hereinafter also as a terminal end

designated, attached to an electrically conductive Kontaktelernents, which in turn in a contact carrier of the

Inserted connector and held in bearing.

In the case of a coupling is the front end of such a contact element, hereinafter also as the contact end

designates, usually as a socket contact, and in the case of a plug usually formed as a complementary to the socket contact pin, wherein the

Contact pin is inserted into the socket contact, when the two complementary connectors, that is, the coupling and the plug, along a

Longitudinal axis of the connector merged and

be connected to each other.

For electrical connectors of the type described above, preference is given to the use of clamping springs which are in each case actuated by means of a manually actuable contact opening by a first movement from a first position in which the clamping spring is released, i. in a

is predefined, usually biased rest position, is movable to a second position in which the

Contact opener, usually an elongated contact-opener, which compresses clamping spring, so that the clamping opening to the Insertion or detachment of this free wire end is opened, and can be brought by means of a second movement of the manually operable Kontaktöffffners back towards the first position, so that the clamping opening is locked again. A core end inserted in the open clamping opening is thus released

Clamp spring clamped to the eweiligen spring clip and can only be removed again with open clamping opening.

As a result, contact openers have the function of a pressure-exerting tool and usually have one

elongated shape, so that a clamping spring between the first position, in which the clamping spring is released, and a second position, wherein the spring

compressed, can be moved.

In the production, that is, in the assembly of

electrical connectors, it has proven to be advantageous to first arrange the Kontaktelernent and the clamping spring in the contact carrier, so that just this clamping spring is disposed at the rear end of the Kontaktelernents and this along the longitudinal axis of the contact carrier, which is at least parallel to the longitudinal axis of the

Connector is aligned, inserted in this.

For further assembly of an electrical connector of the aforementioned type is a trained in the manner of a cap or a lid housing part on the back

Mount area of the contact carrier. This housing part can be latched to the contact carrier, screwed or otherwise somehow connectable and has an inner surface which surrounds the clamping spring at least partially.

In addition, during assembly are the dweiligen

Insert contact opener in the housing part, which is provided for this purpose, depending on the number of wire ends to be connected with one or more openings.

Consequently, during a manufacturing process, depending on the number of wire ends to be connected, in one

correspondingly more or less expensive

Method step a plurality of contact openers in the housing part to be fastened to the contact carrier

to bring in.

In addition, the installation requires a clamping spring

associated contact opener by its insertion between an inner surface of the housing part and the clamping spring or by mounting the housing part on the contact carrier on which the contact opener is already arranged, a first compression and therefore on the beyond the predefined rest position preload of the clamping spring, which is why Clamping spring already undergoes an unwanted weakening of their clamping force during assembly.

It is therefore an object of the invention to further improve an electrical connector of the type described above and to simplify the production of such an electrical connector.

This object is achieved by an electrical connector and a method for its production according to the solved independent claims. advantageous

Embodiments are subject of the dependent claims.

An electrical connector according to the invention is connected to one end of an electrical lead or cable, i. at least one end, connectable. An end to be connected to such an electrical line or a

Cable has at least one free wire end. Further, the connector is to be connected along a longitudinal axis with a connector complementary to the connector.

According to the invention an electrical connector comprises at least one Kontaktelernent, in particular an elongated Kontaktelernent which is inserted in the contact carrier parallel to this longitudinal axis and supported by this. This Kontaktelernent has a front and a rear end, wherein at the rear end a clamping spring is arranged with a clamping opening into which one of the at least one free wire end is clamped.

Furthermore, an electrical connector comprises

Housing part, which can be fastened to the contact carrier, that is to say mounted thereto, and which has an inner surface, which after the attachment or. the assembly at least partially surrounds the clamping spring.

Between this inner surface and the clamping spring, a contact opening, in particular an elongated contact opening, is arranged at least partially, which is the clamping spring is assigned and is kept movable between two positions.

The contact opener is released by a first movement from a first position in which the clamping spring is released, i. is in a predefined, in particular biased rest position, movable in a second position in which the contact opener compresses the clamping spring, so that the clamping opening is open for insertion or removal of this free wire end. By a second movement, the contact opener can be brought back in the direction of the first, the clamping opening blocking position. According to the invention, this inner surface of the forms

Housing part further comprises an area in which

at least a portion of the contact opener can be accommodated such that in its first position, the clamping spring is released.

Advantages of the invention arise on the one hand from the fact that the contact opener, in its first position, at least partially in a region of the inner surface of the

Housing part, which surrounds the clamping spring at least partially, a place, that is, finds a space, so that the clamping spring released for one, i. in the

is predefined, in particular biased rest position and on the other hand, the housing part either together with the contact opener or without this to the contact carrier substantially force-free, that is in particular without the clamping spring to touch and / or compress must be mountable. Furthermore, the invention allows a simplified

Pre-assembly during production b zw. the assembly of a

electrical connector.

So z. B. on the one hand, in one method step, one or more contact openers are arranged on the housing part, in particular fixed, in order then to fasten such a preassembled unit to a contact carrier in a further method step, in which a contact element with a clamping spring arranged thereon is already inserted without the Clamping spring must be substantially touched and / or compressed. In a possible alternative of the invention may, for. B. on a contact carrier, in which a Kontaktelernent is already introduced with a clamping spring arranged thereon, then arranged a contact opener, in particular fixed, in order then to attach the housing part in such a preassembled unit in a further process step without the clamping spring substantially touched and / or compressed.

In a further possible alternative of the invention can be used for z. B. in a method step, one or more contact openers are arranged on the housing part, in particular fixed, in order then to fix such a preassembled unit to a contact carrier in a further method step, and then only then one or more. several Kontaktelernente each with one arranged on it

Insert spring without the clamping spring in

Essentially touched and / or compressed. For clamping free wire ends, a clamping spring is particularly suitably suitable, in particular an electrically conductive clamping spring, which is designed as a tension spring, in particular as a cage tension spring, and / or as a screwless connection terminal.

Such a clamping spring may suitably have a bow spring with a SpannSchenkel, which connects a plant leg and a clamping leg together. By doing

Clamping leg of this clamping spring is a clamping or

Connection opening recessed, which a crossover of the clamping leg and the plant leg by means of a

Part of the plant leg allows. The

Connection opening of the clamping spring allows the introduction of the free wire ends. The plant leg of such a clamping spring contacts a contact surface at the rear end of a contact element, which together with the

Plant leg through the connection opening of the

Guided clamping leg, whereby the clamping spring on the

Kontaktelernent is clamped. In the connection opening is also to be clamped, free wire end to lead. Such a clamping spring is usually also as

Käfigzugfeder designated and is as prior art for the present invention in particular also the

EP 2 442 403 B1 of the same Applicant, so that in this respect the full disclosure of the disclosure is included in the disclosure of the present invention.

In this type of tension spring the spring force acts as a tension spring force on the clamping leg. For clamping the free wire end of the clamping leg of the bow spring is compressed. As a result, the clamping leg

shifted, which in particular the connection opening of the bow spring on an opposite side with respect to the side on which the plant leg a

Contact surface contacted, opens, and the associated free wire end can in the connection opening or. Inserted clamping opening. The energy stored in compression is released at least partially when relaxing the bow spring and results in a

Tension spring force on the clamping leg. The bow spring pulls the clamping leg in the direction of the contact surface opposite side of the rear end of the contact element, whereby the free wire end, which has been previously passed through the connection opening, is also clamped to this electrical contact surface. This opposite to the contact surface at the rear end of a Kontaktelernents side thus forms the appropriate

electrical contact surface for the wire end.

For mounting on the Kontaktelernent can be a

Cage tension spring by compressing the Spannschenkeis the bow spring in the direction of the clamping leg and by pushing the contact surface of the rear end of

Contact elements through the connection opening as well as by releasing resp. Let go of the Spannschenkeis on the

clamp the rear end of the contact element so that the clamping spring is arranged or attached to the contact element. is fixed and worn by this.

In a further embodiment of the invention is on the inner surface which the clamping spring at least partially surrounds, and on one of these inner surface facing side of the contact opener, hereinafter also referred to as the first longitudinal side, formed at least partially aligned transversely to the longitudinal axis surface, said inner surface and the said inner surface facing side of the

Contact opener preferably correspond to each other and in practical implementation may have useful shape, in particular cams or arcuate. In this case, a sliding sliding movement of the clamping opener on the surface of the inner surface of the housing part oriented transversely to the longitudinal axis is preferably made possible for actuating the clamping spring along the longitudinal direction. In a particularly preferred development of this electrical connector, a first movement of the contact opener is designed as a pulling movement along the longitudinal axis, which takes place in the direction of the rear end of the Kontaktelernents, and the second movement designed as a sliding movement along the longitudinal axis, in the direction of the front end the contact element takes place.

In another alternative or supplementary

Embodiment of an electrical according to the invention

Connector is a contact opener pivotally held about a pivot axis. Such a pivot axis can

For example, be arranged on the housing part and allow such a pivotal movement of the contact opener so that it releases the spring in a first position, for example parallel to the longitudinal axis of the contact element, and in a second position in which he for example, is pivoted transversely to the longitudinal axis, compressing the clamping spring.

In a further embodiment of the invention, the contact opener is located on a side of the contact opener facing this inner surface second

Long side, i. the first longitudinal side of the contact opener opposite second longitudinal side of the clamping spring directly or indirectly and / or is the

Contact opener integrally formed.

In a particularly advantageous embodiment of

electrical connector has a said inner surface facing side of the contact opener opposite the second longitudinal side of the contact carrier, i. one of the first longitudinal side opposite second longitudinal side of the

Contact opener on a flat surface, which is aligned parallel to the longitudinal axis. The invention also includes a method for

Production, that is, for mounting an electrical connector as described above.

After a first alternative of the invention

Method is to the contact carrier, in which at least one Kontaktelernent is introduced parallel to the longitudinal axis and supported by this, the housing part, which has an inner surface, which after assembly the

Clamping spring at least partially surrounds, as well as a

Contact opener, which is arranged on this inner surface of the housing part, thereby to mount on the contact carrier, that in a process step of the housing part arranged contact opener associated with the clamping spring and the housing part and the arranged contact opener is aligned to this clamping spring. In a further method step of the method according to the invention then the housing part and the thereto

arranged contact opener in its first position along the longitudinal axis with the contact carrier together, so that this inner surface surrounds the clamping spring at least partially.

In a particularly preferred embodiment of the

Assembly experience is the contact opener fixed prior to assembly of the housing part on the contact carrier on this inner surface of the housing part and / or is already in the assembly of the housing part to the contact carrier on this

Fixed inside surface of the housing part.

So z. B. on the one hand, in one method step, one or more contact openers are arranged on the housing part, in particular fixed, in order then to fix such a preassembled unit to a contact carrier in a further method step, in which a contact element with a clamping spring arranged thereon is already inserted without the Clamping spring must be substantially touched and / or compressed.

According to a second alternative of the invention

Process is in a process step of

Contact opener in its first position on the

Contact carrier and / or arranged on the clamping spring or. preassembled, wherein already introduced at least one Kontaktelernent parallel to the longitudinal axis in the contact carrier and is supported by this and wherein at the rear end of the clamping spring is arranged.

In a further process step this

According to the invention, the housing part is thereby mounted on the contact carrier, that the housing part and the contact carrier are brought together along the longitudinal axis, so that the inner surface of the housing part the

Clamping spring at least partially surrounds.

In a particularly preferred embodiment of this

MontageVerfahrens the contact opener is fixed before mounting the housing part to the contact carrier on the clamping spring and / or on the contact carrier and / or is fixed thereto during assembly of the housing part to the contact carrier.

As a result, according to this possible alternative of the invention to a contact carrier, in which a

Kontaktelernent with a clamping spring arranged thereon is already introduced, then a contact opener

arranged, in particular fixed, to subsequently to such a preassembled unit the housing part

fasten, without the clamping spring must be substantially touched and / or compressed.

In a further possible alternative of the invention, e.g. in one method step, one or more contact openers are arranged on the housing part, in particular fixed, in order then, in a further method step, to fasten such a preassembled unit to a contact carrier, and then subsequently to connect a contactor. several

Kontaktelernente each with one arranged on it Clamping spring are introduced without the clamping spring must be substantially touched and / or compressed.

Further advantages and features of the invention will become more apparent from the following exemplary description

Embodiments with reference to the accompanying figures can be seen.

In the figures show:

FIG. 1 shows a rear view of the contact connector according to the invention,

Figure 2 is a perspective view of a

contact connector according to the invention according to FIG. 1,

3 shows a longitudinal section A - A through a

4 shows a longitudinal section through a contact connector according to the prior art.

It should be hingeWlGSGI _r de.SS are occupied sign in the figures the same components with the same reference.

Figures 1 to 3 show an example of a preferred embodiment of a connector according to the invention, which at one end of an electrical line or a

Cable is connectable, i. at least one end, wherein the end to be connected has at least one free wire end, and wherein the connector along a

Longitudinal axis (L) with a to the connector

Complementary connector is to connect. The in the Figures shown connectors is in particular at five free wire ends of an electrical line or a

Cable can be connected. For reasons of clarity, in the figures, however, neither a cable nor a cable nor to the electrical according to the invention

Connector shown complementarily formed connector.

Figure 1 shows a rear view of this exemplary connector according to the invention, which is formed in the present case as a coupling.

This connector comprises a contact carrier 1, which is designed in an expedient embodiment as a one-piece housing of the connector, wherein according to the invention, a contact carrier, e.g. Also may be incorporated separately in a housing of a connector.

Figure 2 shows a perspective view of

Connector according to Figure 1, with this purpose as

Plug trained complementary connector along the longitudinal axis L is connectable. For example, a protective cover 6 is also provided, which is for this purpose, i. to

Connection, must be opened, and is suitably connected to a hinge 61 with the contact carrier 1.

At least one Kontaktelernent is introduced in the contact carrier 1 parallel to this longitudinal axis L and held by this supporting. Since five wire ends are to be connected in the present example, in the illustrated

Contact carrier five Kontaktelernente 3 (not visible in Figures 1 and 2, in Fig. 3 is one visible) respectively introduced parallel to the longitudinal axis L of the contact carrier, so that they are held supporting. each

Kontaktelernent 3 each has a front end 31 and a rear end 32, wherein, as can be seen in particular Figures 1 and 3, at the rear ends respectively

Clamping springs 4, 4 ', 4' ', 4' '', '' '' with clamping openings 41, 41 ', 41' ', 41' '', 41 '' '' are mounted, in each of which a free wire end the electrical connection to be connected

Line or the cable are clamped. The rear end 32 can therefore also be referred to as a terminal end and the front end of the Kontaktelernents 3 as a contact end.

FIGS. 1 to 3 further show the further housing part 2, which is mounted on the contact carrier 1 and which has one or more inner surfaces 22 (FIG. the clamping springs 4, 4 ', 4' ', 4' '', 4 '' '' at least partially surrounded. As can be seen, in this case the housing part 2 can also at least partially, in the

Contact carrier be mounted.

To open the clamping springs and terminals of the free

Wire ends to join these as well

if necessary, contact openers 5, 5 ', 5' ', 5' '', 5 '' '' (FIG. 2), which are preferably elongated, are used. In each case such a contact opener 5, 5 ', 5' ', 5' '' and 5 '' '' is in each case assigned to one of the clamping springs 4, 4 ', 4' ', 4' '' or '' ''. Each contact opener is further at least partially disposed between such an inner surface 22 and the respectively associated clamping spring and is in the assembled state between two

Positions held movable. For manual operation of the contact opener 5, 5 ', 5'',5''', 5 '''' have expediently the rear ends of the housing part 2 on outstanding operating sections, for example, with a recess into which a tool such as a screwdriver, etc.

can intervene.

By a first movement, e.g. in the direction of the rear end of the contact element, everyone is

Contact openers 5, 5 ', 5 ", 5"' and 5 "" from a first predefined position, i. in a preferred

biased rest position, in which the j eweils

associated clamping spring 4, 4 ', 4' ', 4' '' or 4 '' ''

is released and their respective clamping opening 41, 41 ', 41' ', 41' '' or 41 '' '' locked (Fig. 3), in a second position movable, in which a contact opener 5, 5 ', 5 "," 5 "', 5"' 'compresses the clamping springs 4, 4', 4 ", 4" ',' '' 'so that the clamping openings 41, 41', 41 '', 41 '' ', 41' '' 'are open for insertion or removal of the free wire ends (corresponding to Figure 1).

Each contact opener 5, 5 ', 5' ', 5' '' and 5 '' '' can then be brought back by a second movement in the direction of the first, the clamping opening blocking position.

In particular, then by a second movement in the opposite direction, i. e.g. in the direction of the front end of the contact element, the contact opener 5, 5 ', 5' ', 5' '', 5 '' '' again in the direction of the first

be placed in the predefined position in which the clamping springs 4, 4 ', 4'',4''', 4 '''' are released again, so that the clamping openings are locked again, ie for connecting or. Insert as well as loosen the wire ends are locked. A previously connected b zw. inserted wire end is thus clamped in this state.

Figure 3 shows a longitudinal section A - A through a

Contact according to the invention according to Figures 1 and 2 with a single, elongated in this embodiment, Kontaktelernent 3. This is along the

Longitudinal axis L is inserted into the contact carrier 1 and held therein supporting. At the rear end 32 of the

Kontaktelernents 3, the clamping spring 4 is arranged, which has the clamping opening 41, in which the free wire end of the electrical line to be connected or the cable can be inserted and clamped. Fig. FIG. 3 shows a state in which the clamping opening 41 for connecting or closing. Insertion of a wire end is blocked.

The clamping spring 4 according to Figure 3 is suitably 1 Cf cL1S

Käfigzugfeder configured with a bow spring 43 and is mounted on the rear end 32 of the Kontaktelernents 3.

Accordingly, this clamping spring 4 has a

Clamping leg 42 with a clamping opening 41 for a

to be clamped wire end, for this purpose a free

Core end is to be inserted through a housing opening 20 in the housing part. As a result, the bow spring 43 acts as a tension spring on the clamping leg 42. Inserting a wire end and releasing a wire

Consequently, in the illustrated example, the terminal end 41 connected to the housing opening 20 must first be aligned. The contact opener 5 must therefore for this purpose by a first movement of the in Fig. 3 shown in the first position in which the clamping spring 4 is released, are moved to the corresponding second position, in which the contact opener 5, the clamping spring. 4

compresses, so that the clamping opening 41 with the

Housing opening 20 is aligned and thus opened for insertion or removal of this free wire end.

In particular, as shown in FIG. 3 the

Bow spring 43 for clamping a free wire end by means of a manual operation of the contact opening 5, which is held movable between two positions,

be compressed.

For this purpose, the contact opener 5 is arranged between an inner surface 22 of the mounted on the contact carrier 1 housing part 2, which surrounds the clamping spring partially, said inner surface 22 forms a region in which at least a portion of the Kontaktöffners 5 can be added to in its first position release the clamping spring 4. This area is expediently formed in that surfaces 51 which are oriented or extending in each case transversely to the longitudinal axis L are formed on this inner surface 22 and on a side 5a of the contact opener 5 facing this inner surface 22.

As a result, the contact opener 5 is useful by a first movement along the longitudinal axis L (according to FIG. 3, in particular to the right) from a first position according to Figure 3, in which a part of the contact opener 5 is received in the region of the inner surface 22 and the clamping spring 4 is released, slidably movable to a second position, in which the contact opener 5 vertically is offset from the longitudinal axis and the clamping spring 4 or. is and thus compresses the clamping spring 4. As a result, the connection opening 41 of the cage tension spring 4 opens and the associated free wire end can be inserted into the connection opening 41.

By a second, the first movement opposite movement of the Kontaktöffffners 5 along the longitudinal axis L (according to FIG. 3 in particular to the left) this can be brought back towards the first position, whereby the contact opener 5 again vertically away from the longitudinal axis of the clamping spring 4 is offset or. and thus again at least partially in the region of the inner surface 22 can be accommodated, thereby releasing the clamping spring 4 again, so that the clamping spring 4 completely relaxed and the clamping opening 41 is locked or at least partially re-opened when the wire end inserted and a in the terminal opening 41 introduced free wire end

is clamped.

FIG. 3 further shows that the first sliding movement is expediently a pulling movement along the longitudinal axis L which, viewed in the direction of the rear end 32 of FIG

Kontaktelernents 3 takes place, and the second sliding movement is expediently a sliding movement along the longitudinal axis L, which in the direction of the front end 31 of the

Kontaktelernents 3 takes place.

In an alternative embodiment of the invention, which j edoch for reasons of clarity in Figures 1 to 3 is not shown, the contact opener 5 may also be appropriate be kept pivotable about a pivot axis, in particular also about any pivot axis.

In this case, for compressing the clamping spring 4, a first pivoting movement about this pivot axis

to be executed, which consists of a to the longitudinal axis L preferably parallel alignment of the Kontaktöffffners 5 in a

Alignment of the Kontaktöffffners 5 preferably transverse to the longitudinal axis L takes place, wherein the second movement a

Pivoting movement of the contact opening 5 is back again in the opposite direction to the first pivoting movement.

Figure 3 also shows an embodiment in which the

Contact opener 5 on the opposite to the first longitudinal side 5a of the contact opener 5, i. on one of the inner surface 22 facing side of the contact opener

on the opposite second longitudinal side 5 b on the clamping spring 4 expediently applied directly and is also advantageously formed in one piece, this also only indirectly on the clamping spring 4, for example, via a force

transferable further component, can rest and / or can be designed in several parts.

In addition, one of the first longitudinal side 5a

opposite second longitudinal side 5b of the contact opener 5 suitably on a flat surface, which is preferably aligned parallel to the longitudinal axis L, so that in the

Mounting the electrical connector on the

Housing part 2 arranged contact opener 5 at the

Bow spring can be guided by a movement along the longitudinal axis L along and that without touching the clamping spring substantially and / or the clamping spring to squeeze. Merging

Contact opener and clamping spring can therefore preferably be done completely force or without resistance between the two. The skilled person will be apparent from the study of the description that this, however, other advantageous

geometric configurations of the second longitudinal side 5b of the contact opener 5 are conceivable.

It is apparent for the assembly of the electrical

Connector to mount the housing part 2 and the contact opener 5 to the contact carrier 1.

Here, the housing part 2, which has the inner surface 22 which surrounds a j eweilige clamping spring 4 after assembly at least partially, and a contact opener 5, on this inner surface 22 of the housing part already

is arranged, in principle by the contact carrier, in which at least one Kontaktelernent 3 with clamping spring 4 is inserted parallel to the longitudinal axis L and supported by this supporting, to assemble that on the

Housing part 1 arranged contact opener 5 associated with the clamping spring 4 and the housing part 2 and arranged thereon Kontaktöffner 5 to this clamping spring 4 accordingly

is aligned.

In a further method step of assembly, the housing part 2 and a contact opener 5 already arranged thereon can then be moved in its first position along the

Longitudinal axis L are brought together with the contact carrier 1, so that this inner surface 22 surrounds the clamping spring 4 at least partially. In a particularly advantageous embodiment of

Mounting method, the contact opener 5 is fixed before mounting on this inner surface 22 of the housing part 2

and / or is fixed thereto during assembly. At first use, after installation of the

Connector, this fixation can then be destroyed by little effort again, so that the or. the contact opener is released again for movement. Particularly suitable for such a pre-assembly is the application of an injection molding process, in particular a plastic injection molding process, in which to the

Housing part 2 one or more contact opener 5 are molded.

In this way, first of all a one-piece component, consisting of the housing part 2 and one or more contact openers 5, can be produced, and the or. the contact opener 5 again after assembly of the connector from the rest of the component, i. from the housing part 2, to the extent that this is released for movement according to the invention between the two positions. Depending on

Injection mold, the transition between the housing part 2 and 5 Kontaktöffner and their shape can also be such that already from the outset, d. H . without any release, a movement according to the invention

Contact opener 5 is given and this is in its first position and given an inner surface 22 which forms an area.

In a further preferred embodiment, the use of a two-component injection molding process has been found to be particularly shown expediently, in which the housing part 1 and the contact opener 5 are thus in particular made of different materials. As a result, in the simplest way, the material for the housing part 2 and one or more

Contact openers 5 are specified differently depending on the specifications and these are still prepared as a component in advance. Also, the resp. can the contact opener, in particular depending on the chosen material, then further by a maximum of only a small amount of force again from the rest of the component, i. from the housing part 2, to

Movement to be solved and released.

In an alternative method of assembling the

electrical connector is in one

Step of the contact opener 5 in the first

Position on the contact carrier 1 and / or arranged on the clamping spring 4 or. preassembled, wherein in the contact carrier 1 already at least one Kontaktelernent 3 is inserted parallel to the longitudinal axis L and supported by this supporting and at the rear end 32, the clamping spring. 4

is arranged.

In a further method step of this alternative method according to the invention, the housing part 2 can be mounted on the contact carrier 1, that the

Housing part 2 and the contact carrier 1 along the

Longitudinal axis L are merged, so that the

Inner surface 22 of the housing part 2, the clamping spring. 4

at least partially surrounds.

In a particularly preferred embodiment of this

Montageverfahren is the contact opener thus before the Assembly of the housing part to the contact carrier on the

Clamping spring and / or fixed to the contact carrier and / or is fixed thereto during assembly. In a further possible alternative of the invention, e.g. in one step one or more

Contact openers 5 are in turn initially arranged on the housing part, in particular fixed, in order then to fix such a preassembled unit to a contact carrier 1 in a further step, in which case, however, only then an or. a plurality of contact elements 3 are introduced, each with a clamping spring 4 arranged thereon, without the clamping spring substantially touching and / or the clamping spring having to be compressed.

To illustrate the advantages of the invention will be described below with reference to FIG 4 an exemplary

Connectors according to the prior art will be described briefly.

Figure 4 shows a longitudinal section through such

Connector according to the prior art, which in

Difference to the electrical according to the invention

Connector according to Figures 1 to 3, a housing part 2 'having an inner surface, on which no area

is formed, in which at least a part of

Contact opener 7 can be added to release the clamping spring 4. Furthermore, such a contact connector usually has a contact opener 7 with a recess 8, which the bow spring 43 in the first position in which the Clamping spring is released, enclosing, as well as a survey 9, which the bow spring 4 in a second position, in which the contact opener 7 is pulled out along the longitudinal axis L, the clamping spring 4 is compressed. Further, the contact opener 7 has a head with some projection, which offers a stop against too far immersion of the contact opener 7 in the housing part 2 '.

As a result, allows an electrical connector according to Figure 4 in any of the assumed positions of the

Kontaktöffners 7 a force-free installation of a

Contact opener or the mounting of an electric

Connector with such a contact opener arranged for this purpose on the housing part and / or a contact carrier and / or a clamping spring or. is preassembled without that the clamping spring is compressed in this case and therefore learns on the beyond the predefined rest position preload.

Reference sign:

contact support

housing part

housing opening

22 inside surface

3 contact element

31 front end

32 Rear end

4 4 ' _r 4''4''','''' clamping spring

41, 41 ', 41 ", 41'", 41 "" clamping opening

42 clamping legs

43 bow spring

5, 5 ', 5' 5 '5' contact opener

5a First longitudinal side of the contact opener 5b Second longitudinal side of the contact opener

6 protective cover

61 hinge

Another contact opener

recess

survey

L longitudinal axis

Claims

Claims :

1. Electrical connector which is connectable to one end of an electrical line or a cable, wherein the end to be connected at least one free

Has wire end, and wherein the connector along a longitudinal axis (L) is to be connected to a complementary connector to the connector, with

the following features: a contact carrier (1); at least one Kontaktelernent (3), in the

Contact carrier (1) parallel to this longitudinal axis (L) inserted and supported by this, wherein the Kontaktelernent (3) has a front and a rear end (31, 32), and wherein the rear end (32) a

Clamping spring (4) having a clamping opening (41) into which one of the at least one free wire end is clamped; a housing part (2) which can be mounted on the contact carrier (1) and has an inner surface (22) which at least partially surrounds the clamping spring (4) after assembly; a contact opener (5), in particular elongated

Contact opener (5), which is assigned to the clamping spring (4), at least partially between this inner surface (22) and the clamping spring (4) is arranged and is held movable after assembly between two positions; wherein the contact opener (5) is movable to a second position by a first movement from a first position in which the clamping spring (4) is released, in which the contact opener (5) the clamping spring (4)

is compressed so that the clamping opening is open for insertion or detachment of this free wire end, and which can be brought by a second movement back towards the first, the clamping opening blocking position, and wherein said inner surface (22) forms an area in which at least a part of the contact opener can be received such that in its first position, the clamping spring (4) is released.

2. Electrical connector according to claim 1, wherein the clamping spring is a cage tension spring, on the

Kontaktelernent is arranged clamped.

3. Electrical connector according to claim 1 or 2, wherein on this inner surface (22) and on one of these inner surface (22) facing side (5a) of the Kontaktöffners (5) each have an at least partially transverse to the longitudinal axis (L) aligned surface (51 ) is trained .

4. Electrical connector according to one of claims 1 to 3, wherein the first movement is a pulling movement of the

Contact opener (5) along the longitudinal axis (L), which takes place in the direction of the rear end (32) of the Kontaktelernents (3), and the second movement is a sliding movement of the contact opener (5) along the longitudinal axis (L), the in the direction of the front end (31) of the

Kontaktelernents (3) takes place.

5. Electrical connector according to one of claims 1 to 4, wherein the contact carrier (1) and the contact opening

(5) have transverse surfaces aligned with the longitudinal axis and the contact opener is slidably movable from the first to the second position in which the contact opener is offset vertically to the longitudinal axis and to the clamping spring.

6. Electrical connector according to claim 1 or 2, wherein the contact opener (5) is pivotally supported about a pivot axis, wherein the first movement of a first

Pivoting movement of the contact opener (5) around this

Swivel axis is, in particular from one to the

Longitudinal axis (L) parallel alignment of the contact opener (5) in an orientation of the contact opener (5) transversely to the longitudinal axis (L), and the second movement a

Pivoting movement of the contact opener (5) in opposite

set direction to the first pivoting movement of

Contact opener (5) is.

7. Electrical connector according to one of claims 1 to 6, wherein the contact opener (5) on one of these

Inner surface (22) facing first longitudinal side (5a) of the contact opener (5) opposite the second longitudinal side (5b) on the clamping spring (4) directly or indirectly and / or the contact opener (5) in one piece

is trained .

8. Electrical connector according to one of claims 1 to 7, wherein one of said inner surface (22) facing the first longitudinal side (5a) opposite the second longitudinal side (5b) of the Kontaktöffffners (5) has a flat surface which is aligned parallel to the longitudinal axis (L) is.

A method of assembling an electrical connector according to any one of claims 1 to 8, wherein either:

- In a process step in the contact carrier (1) at least one Kontaktelernent (3) parallel to the

Longitudinal axis (L) is inserted and held in a row by this supporting, wherein at the rear end (32), the clamping spring (4) is arranged,

- In a further process step, the housing part (2) and the contact opener (5), which is already arranged on this inner surface (22) of the housing part, characterized in that the contact carrier (1) is mounted, that

the contact opener (5) of the clamping spring (4) arranged on the housing part (1) is assigned to the housing part (1) and the contact opener (5) arranged thereon

Clamping spring (4) is aligned, and

the housing part (2) and the arranged thereon

Contact opener (5) in its first position along the longitudinal axis L with the contact carrier (1) are brought together, so that this inner surface (22) at least partially surrounds the clamping spring (4), or in a method step, the contact opener (5) in its first position on the contact carrier (1) and / or on the clamping spring (4) is arranged, wherein in the

Contact carrier (1) at least one Kontaktelernent (3) is already introduced parallel to the longitudinal axis (L) and supported by this, wherein at the rear end (32), the clamping spring (4) is arranged, and

in a further method step, the housing part (2) is thereby mounted on the contact carrier (1), that

the housing part (2) and the contact carrier (1) are brought together along the longitudinal axis L, so that this inner surface (22) at least partially surrounds the clamping spring (4), or in one method step one or more

Contact opener (5) are arranged on the housing part (2), in a further method step, such a preassembled unit is attached to a contact carrier (1), and

only then a resp. a plurality of contact elements (3) each having a clamping spring (4) arranged thereon

be introduced

so that this inner surface the clamping spring (4)

at least partially surrounds, wherein the one or more contact openers (5) between said inner surface (22) and the clamping spring (4) are arranged in their first position.

10. Assembly method according to claim 9, wherein the or the contact opener (5) prior to assembly of the housing part (2) the contact carrier (1) is fixed to this inner surface (22) of the housing part (2), to the clamping spring (4) or to the contact carrier (1).