DE10248729A1 - Electrical connector for holding at least one contact element has locking element movable with component parallel to insertion direction into locking position to secure contact element in end position - Google Patents

Abstract

The device has a base body with an opening into which a contact element can be moved to an end position, a dual locking device for locking the contact element in its end position and a channel for accepting the locking element, which is guided by an outer base body surface. The locking element can be moved with a component parallel to the insertion direction into a locking position in which it secures the contact element in its end position. The device has a base body (12) with an opening (32) for a contact element (14) into which the contact element can be moved to an end position via an insertion aperture and a dual locking element (16) for locking the contact element in its end position. The base body contains a channel for accepting the locking element, which is guided by an outer surface of the base body. The locking element can be moved with a component parallel to the insertion direction into a locking position in which it secures the contact element in its end position.

Description

The present invention relates to an electrical connector.

Electrical connectors, in particular Connectors are basic known and serve for electrical and optionally also mechanical Connection of electrical devices such as Cables and / or electrical devices.

Such an electrical connector can in a basic body at least one recording for have a contact element into which the contact element in a Insertion direction can be pushed into an end position. In the end position is the contact element by a complementary contact element of a complementary electrical Connector contactable when this with the electrical connector is put together. The contact element is in this end position frequently held by an initial lock. This can, for example be given by a resilient tongue on the contact element, the engages in a corresponding recess in the receptacle and prevents that the contact element with low forces against the direction of insertion can be moved.

But since this first locking in usually not big ones personnel can accommodate is common a further lock is provided, by means of which the contact element secure in the end position and thus a movement of the contact element against the direction of insertion, especially when plugging together with a complementary Contact element that can be blocked. This also in the following as a second locking designated lock can for example by inserting a corresponding second locking element orthogonal to the plug or insertion direction of the contact element, which is then immediate engages behind a projection of the contact element.

Frequently it is necessary to have a plug connection against the ingress of Moisture in the area of the mated contact elements protect. This can be done using one of the electrical connectors of the plug connection be equipped with at least one seal, by means of which the Contact elements of a connector can be protected against moisture. Become an electrical connector with a peg-shaped section, in which the receptacle is formed and which contains the contact element, and a complementary electrical connector used, one on the peg-shaped section has plug-in connector receptacle, in the complementary contact elements are arranged, can suitably one annular Seal can be used. This can be on the cone-shaped area be pushed on so that when the connectors are plugged together a gap between the cone-shaped Section and the connector receptacle and thus the contact elements seals against moisture.

When using the above Second locking elements, however, the problem arises that straight in the area in which the seal is then arranged, the second locking element in the basic body introduced must become. This requires the seal on the electrical Only after the contact elements have been inserted into the end position and after a second locking of the contact elements in this end position to arrange what is technically complex.

The present invention lies hence the task of receiving an electrical connector to provide a contact element with one around a section of the electrical connector circumferential seal to protect a provided this electrical connection against moisture can be and into which the contact element can then be inserted and is lockable in its end position.

The task is solved by an electrical connector having the features of claim 1.

The electrical connector according to the invention Receiving at least one contact element comprises a base body, in which a recording for the contact element is formed, into which the contact element an insertion opening is movable in an insertion direction into an end position, and a Second locking element for locking the contact element in its end position, with a channel for receiving in the base body of the second locking element is formed by an outer surface of the the body leads into the recording and in which the second locking element moves with one Component parallel to the direction of insertion in a locking position is displaceable, in which the contact element held in the end position is secured against movement against the direction of insertion.

In the electrical connector according to the invention it can in particular be a connector that is used for Establish an electrical connection with a complementary electrical Connector can be plugged together in one direction.

The electrical connector according to the invention can in principle be designed to accommodate any contact element. In particular, a contact element with a contact tongue or a contact pin that protrudes from the base body, or a Kontaktele element with a socket, in which a complementary Tongue can be used.

The contact element is through the Insertion opening can be inserted into the receptacle and then into an end position movable. In this end position, the contact element is then in the Recording arranged that it with a complementary contact element of a complementary one electrical connector, in particular by plugging the electrical according to the invention Connector with the complementary Connector, in touch can be brought or in particular plugged together.

The receptacle for the contact element can in particular be formed by a cavity with corresponding guides for the contact element, the one with the insertion opening and a contact opening connected is. While the contact element through the insertion opening in the receptacle or the cavity insertable the contact opening can do so serve, either a part of the in the end position arranged contact element or that Introduce a corresponding section of a complementary contact element in the body for contacting the contact element arranged in the end position to enable.

The contact element can in particular guided linearly in the cavity be so that the direction of insertion is substantially parallel to a direction of insertion runs, in which a complementary contact element in or on the contact element of the electrical connector according to the invention is pluggable.

Furthermore, the recording can Have means for first locking the contact element, by means of which the contact element can be positioned in the end position and against accidental Movements can be secured. The device can in particular first locking projections or recesses in the base body include behind the corresponding projections or resilient first locking tongues of the contact element can grip when this reaches the end position when inserted in the direction of insertion.

For second locking of the contact element in its end position, that is to prevent movement against the direction of insertion by also bigger forces like they occur when plugged together with a complementary contact element, is the second locking element that can be guided in the channel in the base body intended.

The channel connects the recording for the Contact element with a channel opening in an outer surface of the Body. It is designed so that the second locking element in the Channel insertable and can be moved into a locking position. If that Second locking element is in this locking position, is a contact element in the end position against movement secured against the direction of insertion and can thus when plugging together the electrical connector with a complementary electrical connector not be moved out of its end position.

The canal can be guided for the Second locking element in a corresponding interior in the body be educated.

According to the invention, the channel is designed so that the second locking element by moving with a component parallel to the insertion direction for the contact element in the Locking position is displaceable. That means in particular that the movement also another component orthogonal to the direction of insertion for the Can have contact element, so that the movement of the second locking element overall weird can run to the insertion direction of the contact element. Farther needs this movement component parallel to the direction of insertion not about that entire movement course to be present.

This training of the channel has Consequence that the channel opening in the main body, through which the second locking element can be inserted into the channel, opposite in the direction of insertion the end position of the contact element is offset.

Now the basic body is in the area of the recording in which the contact element in the end position is arranged in the form of a pin, the longitudinal direction extends parallel to the direction of insertion or insertion, can in this area a circumferential around the area or pin Seal to be placed on the electrical connector, which in in a direction orthogonal to the direction of insertion around the base body. There the channel opening across from the end position of the contact element is offset in the direction of insertion, this is not covered by the seal, so that the second locking element through the channel opening can be moved into the locking position, even if the seal on the base body is arranged.

In the electrical connector with the seal arranged thereon can therefore first pass through the contact element the insertion opening be brought into the end position in the direction of insertion. After that you can the second locking element by simply moving it in the locking position are brought so that the contact element against Movement against the direction of insertion is secured.

The secondary lock according to the invention allows thus a very simple sealing of an electrical connector, wherein the seal before inserting the contact element in the electrical connector can be arranged on this. simultaneously the second locking can be done very simply by moving it respectively.

However, the electrical connector according to the invention does not need to comprise a seal, since the second locking device according to the invention also applies to an electrical connector without a seal Simplicity is beneficial.

So is for the second locking only a single second locking element necessary, so that the electrical according to the invention Connector is very easy to manufacture and can also be handled.

Because the second locking element is moved with a component parallel to the direction of insertion, can, with a suitable design of the connector according to the invention, the contact element by moving the second locking element into the locking position be moved to its end position if it has not yet reached it completely would have.

Developments and preferred embodiments of the invention are in the description, the claims and described the figures.

It is preferred that the channel on one side of the body ends on the insertion opening the receptacle is formed through which the contact element in the Recording can be inserted. In this way, use only in the body two side openings to be trained, namely the contact opening on one side for the Contact element in the end position and on the other side the insertion opening for the contact element as well as the channel opening, into which the canal flows and into which the second locking element can be inserted. Adjacent, different oriented surfaces can then, for example, completely for sealing purposes be used. About that in addition, the displacement of the second locking element of from the same side of the electrical connector, from from which the contact element can also be inserted into the receptacle, what the assembly of the contact element in the electrical connector according to the invention simplified with appropriate machines. Finally, the contact element can also be easily Completely be moved to the end position if it has not yet reached it completely would have.

It is further preferred that the channel at least one opening into an outer surface of the base body and in the direction of insertion and a first section to the first section at an angle of less than 90 ° and following it has second section, and that the second locking element at an end opposite to its end to be inserted first into the channel actuating end cranked is. In this way, the second locking element is by thrust of the actuation end Can be moved into the locking position parallel to the direction of insertion, being guided by in movement in one direction orthogonal to the channel at the same time to the direction of insertion is effected. At the same time, the corresponding one channel opening across from the insertion opening offset in a direction orthogonal to the insertion direction, so that even with a contact element inserted into the receptacle an attached cable, the secondary locking element without Disability operated by the cable is.

In particular, it is preferred that the end of the second locking element that in the locking position is arranged after the contact element in the end position, has a locking surface, which is substantially orthogonal to the direction of insertion when the second locking element is arranged in the locking position is. Because the locking surface is oriented orthogonal to the direction of insertion when force is applied on the contact element against the direction of insertion, the contact element pressed against the locking surface oriented orthogonally to its direction of movement, the so essentially only forces exposed parallel to the direction of insertion. Directs the movement of the second locking element in the last phase before reaching the locking position a component orthogonal to the direction of insertion on, such a transmission can of forces orthogonal from the second locking element to the contact element to the direction of insertion can be avoided, so that the second locking with lower forces can be done. It is particularly preferred that the section the locking element, which carries the locking surface, is cranked, so that in the last phase of the movement of the second locking element in the locking position parallel to the direction of insertion. In particular the second locking element can have offsets at both ends.

It is further preferred that the second locking element has a first latching element, and that in or on the body a first complementary Locking element is formed so that the second locking element can be locked in the locking position. That way a random one Solving the Second locking with high reliability can be avoided.

It is particularly preferred that the first locking element near an actuating end of the second locking element is trained during an introduction of the second locking element arranged outside the base body is. That way you can Disabilities by the first locking element when inserting the Second locking element in the channel can be largely avoided.

The first locking element and the first complementary locking element can be any elements by means of which a connection which can no longer be released automatically with the normal forces occurring during operation can be produced automatically when the locking position is reached. The first latching element particularly preferably comprises a latching arm. This can in particular be designed as a resilient locking arm with a locking hook arranged at its free end. The first complementary locking element on the base body can then consist of a corresponding undercut, behind which the locking hook can be locked. Such a first latching element is particularly useful when the Second locking element as a plastic injection molded part can be produced very easily, the latching force being simply adjustable by changing the cross section and / or the length of the latching arm.

For easier use of the electrical It is preferred that the second locking element has a second latching element, and that in or on the base body second complementary Locking element is formed so that the second locking element is stable in the channel in a pre-locked position in which the contact element is movable into the end position. This way a pre-assembled electrical connector in which the second locking element is kept captive in the pre-locking position, simple be transported to a processing station at which the contact element in the electrical connector according to the invention introduced becomes. An unintentional engagement of the second locking element in the locked position before inserting the contact element, the one. later Introduce of the contact element can be prevented with high reliability be avoided. Furthermore, independent handling of the base body and of the second locking element is eliminated, which is the assembly of the contact element much simplified.

The second locking element and the second complementary locking element can basically any be trained. However, it is particularly preferred that the second Locking element comprises a locking arm. This locking arm can in particular be resilient and a latching hook at its free end have, the second complementary locking element by a corresponding Undercut can be formed in the channel. Such an electrical Connector is particularly easy to manufacture because the training of Locking arm on the compared to the base body usually easier trained second locking element is easier to manufacture. About that In addition, when using injection molding to produce the second locking element the spring force of the locking arm is simple by appropriate shaping be adjusted.

It is further preferred that two shots for One contact element each is provided, into which the contact elements can be inserted with essentially the same insertion direction, and that the second locking element is fork-shaped. Under a forked one Training is understood to mean that locking surfaces that in the locking position facing the contact elements in the end position are on two separate projections or poor are trained, who in turn share a common Section of the second locking element are arranged. To this Way can two contact elements by moving only one second locking element be locked at the same time in the end position, resulting in the assembly of the contact elements in the electrical according to the invention Connector significantly simplified.

It is further preferred that a seal is provided, by means of which a space between an inner wall of the channel and the second locking element sealable is when this is arranged in the locking position. In the Seal can be, in particular, a ring or a cuff act from a suitable elastic material, on which preferably a or several circumferential sealing ribs can be arranged and which surrounds the second locking element.

It is made from manufacturing establish particularly preferred that the seal on the second locking element is arranged, since this can be easily pushed either onto the second locking element is or by appropriate manufacturing processes such. B. Two-component injection molding, together can be produced with this. The seal can in particular be arranged between the first and the second locking element. Such a seal can prevent the ingress of moisture reliably avoided by the channel in the area of the contact element become.

It is further preferred that the inclusion in a cone-shaped Section of the main body is formed, and that a along a surface of the peg-shaped Section circumferential further seal is provided. The cone-shaped section can basically a square or round, especially circular or have an elliptical cross section. There is also a longitudinal axis or outer wall of the section preferably parallel to the insertion and / or insertion direction aligned so that a complementary electrical connector can be attached to this. If the electrical connector with a complementary electrical connector plugged together, of a connector receptacle for the cone-shaped area has such a between the surface of the peg-shaped section and an inner surface gap occurring at the connector receptacle by means of the further seal reliable sealed against the ingress of moisture, so that the contact elements in the region of an end face of the peg-shaped section from the effects of moisture very well protected are.

The invention will continue below exemplified with reference to the drawings. Show it:

1 1 shows a schematic exploded view of an electrical connector according to a preferred embodiment of the invention with two contact elements and a connector receptacle of a complementary electrical connector,

2 a schematic sectional view through the electrical connector in 1 with a contact element in the end position and a second locking element of the electrical connector in a locking position,

3 is a schematic perspective view of the second locking element in 1 .

4A . 4B schematic sectional views of the with the connector receptacle in 1 mated electrical connector in 1 in a pre-locking position or in a locking position of the second locking element, and

5A . 5B schematic sectional views of the with the connector receptacle in 1 mated electrical connector in 1 , along one to the cutting plane in the 4A and 4B parallel shifted sectional plane, wherein the second locking element is arranged in the pre-locking position or the locking position.

In 1 includes an electrical connector 10 according to a preferred embodiment of the invention, a base body 12 for holding contact elements 14 , a second locking element 16 , a securing element 18 and a seal 20 ,

The basic body 12 serves to accommodate the plug contacts 14 , which are of the same design and each with a cable 22 are connected. They have contact tongues 24 on, on the contact sleeves 26 are attached (cf. 2 ). The contact sleeves 26 have resilient primary locking tongues for primary locking on opposite surfaces 28 on. Still on the cables 22 Contact element seals 30 pushed on, which are made of an elastomeric material and have three sealing ribs.

In the main body 12 are two symmetrical images 32 for the contact elements 14 educated. These each comprise an elongated, essentially linear cavity 34 that has an insertion opening 36 with a contact opening 38 combines.

The insertion openings 36 are designed so that the contact elements 14 with the contact element seals 30 completely in the recordings 34 can be inserted. The contact openings 38 are on the other hand just so wide and high that one contact tongue each to the contact elements 14 complementary contact element can be inserted through this, the respective contact sleeve 26 but not through the contact opening 38 is movable.

During the recordings 32 in the area of the insertion opening 36 to accommodate the contact element seal 30 are essentially hollow cylindrical, are holding areas 40 to the contact openings 38 connect according to the shape of the contact sleeves 26 trained flat.

The stopping areas 40 still have initial locking recesses 42 into which the first locking tabs 28 the contact sleeves 26 can be snapped into place.

The recordings 32 are further designed so that the contact elements 14 in the cavity 34 can be inserted essentially linearly in an insertion direction E.

A movement of the contact elements 14 in the insertion direction E through the contact openings 38 enclosing frame areas 44 limited (cf. 2 ).

The recordings 32 are partly in a cone-shaped section 46 of the basic body 12 arranged within a circumferential collar that forms a kind of pot 48 of the basic body 12 is arranged.

Around the cone-shaped section 46 the cuff-like seal is all-round 20 made of an elastomeric material, which has three sealing ribs for more secure sealing.

Starting on the side of the body 12 on which the insertion openings 36 are arranged, a channel extends 50 from a channel opening 52 in an outer surface of the base body 12 towards the holding areas 40 of the recordings 32 (see. 4A . 4B . 5A and 5B ).

The channel 50 has one of the channel opening 52 outgoing first section 54 on, which runs essentially parallel to the insertion direction E, in which the contact elements 14 through the insertion openings 36 in the recordings 32 can be inserted.

This is followed by a second section inclined to the direction of insertion E. 56 at that towards the shots 32 to in the 4A . 4B . 5A and 5B upwards, through an upper guide enclosing an angle of approximately 20 ° with the direction of insertion 58 is limited. One in the 4A . B and 5A . B arranged below, the channel 50 limiting lower guide 59 , does not extend to the recordings 32 , but ends up forming a shoulder 60 that are in the direction of the channel opening 54 on the recordings 32 to form an undercut. It runs close to the shoulder 60 with one of the slope of the top guide 58 corresponding inclination of approximately 20 ° with respect to the insertion direction E, but with a greater inclination in the area in front of it.

In the area of the canal opening 52 is still a rest block 62 arranged.

This in 3 second locking element shown in more detail 16 is essentially pin-shaped and has one opposite the base body 12 in one of the slope of the canal 50 or the upper guide 58 or the section of the lower guide 59 near the shoulder 60 corresponding angle of about 20 ° cranked first end section 64 on which a circumferential elastomer seal 66 is formed, and that at an actuating end 67 in a control panel 68 ends at which a first locking element with a resilient first locking arm 70 with a first locking hook 72 for interaction with the locking block 62 is designed as the first complementary locking element. The diameter of the elastomer seal 66 is slightly larger than the diameter of the first section cylindrical in this area 54 of the channel 50 ,

For guiding the second locking element 16 on the canal wall 59 that in the shoulder 60 passes, are in a central region of the second locking element 16 two essentially V-shaped guide projections 74 educated.

At the other, second end section 76 of the second locking element 16 is, on the one hand, a second locking arm along a central plane of symmetry as the second locking element 78 with a second locking hook 80 for interaction with the shoulder 60 formed as a second complementary locking element.

Furthermore, the second locking element bifurcates 16 at the second end section 76 in two locking tabs 82 that in a the angle of inclination of the second section 56 of the channel 50 relative to the insertion direction E corresponding angle of about 20 ° relative to the central section of the second locking element 16 are cranked.

These locking tabs 82 have locking surfaces 84 which are substantially orthogonal to the insertion direction E when the second locking element 16 in the channel 50 is inserted.

The securing element 18 serves to lock the electrical connector 10 with the connector receptacle 86 a complementary connector (cf. 1 ). It is constructed in a conventional manner and is therefore not described in more detail below.

The connector receptacle 86 of the complementary electrical connector is pot-shaped and has openings 88 on out of which reeds 90 as sections from to the contact elements 14 protruding complementary contact elements. The contact tongues 90 are in the contact openings 38 insertable.

The connector receptacle 86 is shaped so that the peg-shaped section 46 can be inserted into this, a gap between an inner wall of the connector receptacle 86 and the peg-shaped section 46 through the seal 20 is sealable.

The electrical connector 10 can be used as follows:
First, the cone-shaped section 46 of the basic body 12 the seal 20 postponed. Then the second locking element 16 through the channel opening 52 in the channel 50 inserted until the locking hook 80 on the first locking arm 70 behind the shoulder 60 locks.

This movement comprises a component parallel to the insertion direction E of the contact elements 14 in the recordings 32 and a component perpendicular to it. During this insertion, the second locking element 16 on the one hand on the lower, in the shoulder 60 passing lower guide 59 of the channel 50 and on the other hand through the leadership tabs 74 guided.

The second locking element 16 is then in a pre-locking position, in which it is held captive, since the locking hook 80 no longer over your shoulder 60 can be moved away (cf. 4A and 5A ).

The locking tabs 82 with the locking surfaces 84 are about to 4A respectively. 5A seen below a lower surface of the holding areas 40 arranged and do not protrude beyond this.

Therefore, the contact elements can now 14 through the insertion openings 36 parallel to each other in the direction of insertion E up to the holding areas 40 be pushed, whereby they have reached their end position when the first locking tongues 28 into the first locking recesses 42 engage. In doing so, they may come up against the frame areas 44 on.

Then the second locking element 16 by moving with a component parallel to the insertion direction E and in a direction orthogonal to it according to the inclination of the upper guide 58 or the lower guide 59 near the shoulder 60 opposite the insertion direction E further into the channel 50 moved in, the locking projections 82 with the locking surfaces 84 diagonally upwards behind the contact sleeves 26 be led (cf. 4B and 5B ).

The second locking element 16 so far into the main body 12 introduced until the first locking element with the first locking arm 70 and the first locking hook 72 behind the first complementary locking element in the form of the locking block 62 locks.

The locking surfaces are in the locking position thus achieved 84 the locking tabs 82 directly behind the contact sleeves 26 arranged and thus prevent movement of the contact elements 14 against the insertion direction E, for example when the connector receptacle 86 with the contact tongues 90 on the electrical connector 10 is inserted, the contact tongues 90 an insertion force acting against the insertion direction E on the contact sleeves 26 aufüben. The second locking element 16 acting forces are partly through the upper guide 58 of the channel 50 and partly through the first locking arm 70 with the first locking hook 72 recorded and on the body 12 transfer.

As in the 4A . 4B . 5A and 5B recognizable is the area in which the contact elements 14 or the contact tongues 90 are arranged, on the one hand via the seal 20 between the connector receptacle 86 and the peg-shaped section 46 . through the elastomer seal 66 between the wall of the canal 50 in the first section 54 and the second locking element 16 as well as the contact element seals 30 between the cables 22 and the inner walls of the recordings 32 reliably protected against moisture.

After plugging in the connector holder 86 on the main body 12 is by pushing on the securing element 18 blocking of the plug connection is blocked.

There is one of the contact elements 14 before the movement of the second locking element 16 in the locking position is not yet fully in its end position, by moving the second locking element 16 the corresponding contact sleeve in the locking position 26 be pushed in the direction of the end position as soon as the locking projections 82 with the locking surfaces 84 behind the contact sleeves 26 can grab. This can result in errors when inserting the contact elements 14 just be balanced again.

The result is an electrical one Connector, on the one hand, simply with a seal for sealing a plug-in area to a complementary electrical connector is to be provided, but also a very simply trained one and has operable second locking.

Of course, the electrical according to the invention needs Connector does not necessarily have a seal. Rather is the second lock according to the invention also for other electrical connectors applicable.

10

electrical Interconnects

12

body

14

contact elements

16

Second locking element

18

fuse element

20

poetry

22

electric wire

24

contact tongues

26

contact sleeves

28

Erstverriegelungszungen

30

Contact element seals

32

Recordings

34

cavities

36

insertion openings

38

contact openings

40

holding areas

42

Erstverriegelungsausnehmungen

44

frame areas

46

cone-shaped section

48

collar

50

channel

52

channel opening

54

first section

56

second section

58

guide

59

lower channel wall

60

shoulder

62

Rest block

64

first end

66

elastomer seal

67

actuating end

68

control panel

70

first detent arm

72

first latch hook

74

guide projections

76

second end

78

second detent arm

80

second latch hook

82

locking projections

84

locking surfaces

88

connector receptacle

88

openings

90

contact tongues

e

insertion direction

Claims (12)

Electrical connector for receiving at least one contact element ( 14 ) with a basic body ( 12 ) in which a recording ( 32 ) for the contact element ( 14 ) into which the contact element ( 14 ) through an insertion opening ( 36 ) is movable in an insertion direction (E) into an end position, and a second locking element ( 16 ) for locking the contact element ( 14 ) in its end position, whereby in the base body ( 12 ) further a channel ( 50 ) to record ( 32 ) of the second locking element ( 16 ) which is formed by an outer surface of the base body ( 12 ) in the recording ( 32 ) leads and in which the second locking element ( 16 ) can be moved while moving with a component parallel to the direction of insertion (E) into a locking position in which the contact element held in the end position ( 14 ) is secured against movement against the direction of insertion (E). Electrical connector according to claim 1, characterized in that the channel ( 50 ) on one side of the body ( 12 ) ends on which the insertion opening ( 36 ) the recording ( 32 ) through which the contact element ( 14 ) in the recording ( 32 ) can be inserted. Electrical connector according to claim 1 or 2, characterized in that the channel ( 50 ) at least one in an outer surface of the base body ( 12 ) opening and extending in the direction of insertion (E) first section ( 54 ) and one to the first section ( 54 ) inclined at an angle of less than 90 ° and adjoining second section ( 56 ), and that the second locking element ( 16 ) at one of his in the channel ( 50 ) end to be introduced first ( 76 ) opposite actuation end ( 67 ) is cranked. Electrical connector according to one of the preceding claims, characterized in that the end of the second locking element ( 16 ), which is in the locking position near the contact element ( 14 ) is arranged in the end position, a locking surface ( 84 ) which is substantially orthogonal to the insertion direction (E) when the second locking element ( 16 ) is arranged in the locking position. Electrical connector according to one of the preceding claims, characterized in that the second locking element ( 16 ) a first locking element ( 70 . 72 ) and that in or on the base body ( 12 ) a first complementary locking element ( 62 ) is designed so that the second locking element ( 16 ) can be locked in the locking position. Electrical connector according to claim 5, characterized in that the first latching element ( 70 . 72 ) near an actuation end ( 67 ) of the second locking element ( 16 ) is formed, which during insertion of the second locking element ( 16 ) outside the body ( 12 ) is arranged. Electrical connector according to claim 5 or 6, characterized in that the first locking element has a locking arm ( 70 ) includes. Electrical connector according to one of the preceding claims, characterized in that the second locking element ( 16 ) a second locking element ( 78 . 80 ) and that in or on the base body ( 12 ) a second complementary locking element ( 60 ) is designed so that the second locking element ( 16 ) in the channel ( 50 ) is stable in a pre-locking position in which the contact element ( 14 ) is movable into the end position. Electrical connector according to claim 8, characterized in that the second locking element has a locking arm ( 78 ) includes. Electrical connector according to one of the preceding claims, characterized in that two receptacles ( 32 ) for each contact element ( 14 ) are provided, into which the contact elements ( 14 ) can be inserted with essentially the same insertion direction (E), and that the second locking element ( 16 ) is fork-shaped. Electrical connector according to one of the preceding claims, characterized in that a seal ( 66 ) is provided, by means of which an intermediate space between an inner wall of the channel ( 50 ) and the second locking element ( 16 ) is sealable if it is arranged in the locking position. Electrical connector according to one of the preceding claims, characterized in that the receptacle ( 32 ) in a cone-shaped section ( 46 ) of the basic body ( 12 ) and that along one surface of the peg-shaped section ( 46 ) circumferential further seal ( 20 ) is provided.