Classifications

• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
  • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
  • H01R13/46—Bases; Cases
  • H01R13/502—Bases; Cases composed of different pieces
  • H01R13/506—Bases; Cases composed of different pieces assembled by snap action of the parts
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
  • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
  • H01R13/46—Bases; Cases
  • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
  • H01R13/5205—Sealing means between cable and housing, e.g. grommet
• • 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
  • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
  • H01R13/5219—Sealing means between coupling parts, e.g. interfacial seal
• • 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
  • H01R13/58—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable
  • H01R13/5841—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable allowing different orientations of the cable with respect to the coupling direction
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
  • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
  • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
  • H01R13/621—Bolt, set screw or screw clamp
  • H01R13/6215—Bolt, set screw or screw clamp using one or more bolts

Definitions

• the invention relates to an electrical connector having a housing in which an insert is received, which has a receiving space for a first contact element, which comes in the receiving space with a second contact element in contact when the first contact element is inserted into the receiving space.
• the first contact element is, for example, a contact pin, which starts from an electrical device, such as a coil, to which the connector can be connected.
• an electrical device such as a coil
• the object of the invention is to provide an electrical connector according to the preamble of claim 1, which allows in a simple manner a secure attachment of the connector to an electrical device, such as a coil.
• the object is in an electrical connector having a housing in which an insert is received, having a receiving space for a first contact element, which comes in the receiving space with a second contact element in contact when the first contact element is inserted into the receiving space, characterized solved that the receiving space is limited by a blocking element, which, when the first contact element is inserted into the receiving space, is held by the first contact element in a blocking position in which the blocking element blocks the insert in the housing.
• the insert is fixed in the housing, as long as the first contact element is inserted into the receiving space.
• the blocking element is released.
• the blocking element can then be brought, for example with a suitable tool, from its blocking position into a release position in which the insert can be removed from the housing.
• a preferred embodiment of the electrical connector is characterized in that the blocking element is formed by a snap hook, which emanates from the insert.
• the snap hook is preferably biased in its blocking position. This biasing force must be overcome to bring the blocking element from the blocking position to the release position.
• a further preferred embodiment of the electrical connector is characterized in that at the free end of the snap hook, a mounting head is formed, which has an engagement surface for a tool.
• the tool is, for example, a screwdriver, with which the snap hook or the blocking element is moved from its blocking position into the release position, in which the insert can be removed from the housing.
• Another preferred embodiment of the electrical connector is characterized in that a mounting gap is provided between the mounting head and the housing.
• the mounting gap facilitates access to the attack surface for the tool.
• the mounting head and the mounting gap are not accessible when the connector is connected.
• Another preferred embodiment of the electrical connector is characterized in that the insert and the blocking element are integrally connected to each other.
• the insert is preferably an insulating body.
• the insert is preferably designed as a plastic injection molded part.
• a further preferred embodiment of the electrical connector is characterized in that the blocking element on its side facing away from the receiving space has a blocking lug which can be latched into at least one latching recess, which is provided in the housing.
• the latching recess is preferably a recess in an inner wall of the housing, which is also referred to as a cap.
• Another preferred embodiment of the electrical connector is characterized in that a plurality of recesses are recessed in the housing. This allows different mounting positions of the insert in the housing. There may also be provided a plurality of blocking elements on the insert.
• a further preferred embodiment of the electrical connector is characterized in that the second contact element can be arranged in the receiving space, that the first contact element between the second contact element and the blocking element is arranged when the first contact element is inserted into the receiving space.
• the first contact element is clamped between the second contact element and the blocking element.
• the blocking member is stably held in its blocking position.
• the second contact element a has free end with a base, which comes to rest on the first contact element when the first contact element is inserted into the receiving space.
• the second contact element is, for example, an electrically conductive sheet-metal strip which is bent at its free end in such a way that the base is slightly biased against the first contact element.
• Another preferred embodiment of the electrical connector is characterized in that two legs are angled from the base. One of the legs connects the base to the second contact element. The other leg preferably rests with its free end on the insert. The free end with the base and the legs is substantially U-shaped, wherein the two legs are arranged not perpendicular, but at a greater angle than 90 degrees to the base. The angle between thighs and the base is about 130 to 140 degrees.
• a further preferred embodiment of the electrical connector is characterized in that the first contact element comprises a ground fault pin, which starts from an electrical device, such as a coil.
• the invention also relates to an electrical device, such as a coil, with a connector described above and below.
• a further preferred embodiment of the electrical connector is characterized in that the insert has two further receiving spaces for two further contact elements, which emanate from one or the electrical device. About the other contact elements of the electrical device is supplied electrical energy. The further contact elements are preferably chamfer pins. A further preferred embodiment of the electrical connector is characterized in that the further contact elements are slightly shorter than the first contact element. This ensures that the blocking element remains in its blocking position, as long as the other contact elements are inserted. Only when the other contact elements have no contact, the insert can be removed, because only then the blocking element is released from the first contact element. As a result, unintentional contact with live parts is reliably prevented.
• Another preferred embodiment of the electrical connector is characterized in that an arm is angled from the housing.
• the electrical connector is preferably designed angular. From the angled connecting arm emanates an electrical connecting cable through which electrical power is supplied to the electrical device via the electrical connector.
• the housing and the insert have a common through hole.
• the through hole is used to insert at least one fastening screw, with which the electrical connector to an electrical device, such as a coil, can be fastened.
• the attachment with the fastening screw is independent of the fixation of the insert in the housing by means of the blocking element.
• FIG. 2 shows an enlarged detail of FIG. 1 with a biorcording element
• FIG. 3 shows an exploded view of the electrical connector of Figures 1 and 2.
• an electrical connector 1 which is connected to an electrical device 2, shown in section.
• the electrical device 2 is a coil 3 of a solenoid valve.
• the electrical connector 1 is also referred to as a connector and is preferably used for electrical devices, in particular coils, with plug pins, for example according to the standard EN 175301-803. Between the coil 3 and the electrical connector 1, a seal 4 is arranged.
• the electrical connector 1 serves to apply an electric voltage in a safe manner to the coil 3. In particular, a contact with current-carrying parts in the interior of the electrical connector 1 is to be prevented.
• the electrical connector 1 comprises a housing 5, which is also referred to as a cap.
• the housing 5 comprises a housing base body 6, which is formed substantially cuboid-shaped and from which a connecting arm 8 starts.
• the connecting arm 8 is integrally connected to the housing base body 6.
• a Jardinverschraubungselement 9 is screwed.
• a sealing element 10 is arranged in the connecting arm 8.
• a metal ring 14 is arranged with a rectangular cross-section.
• the cable gland element 9 belongs to a (not shown) electrical connection cable.
• the housing base body 6 comprises a cavity 16, which extends into the connecting arm 8 in.
• the cavity 16 is open to the coil 3 and to the seal 4 and is surrounded by a housing wall 18 of the housing base body 6.
• the housing wall 18 extends in the circumferential direction around the housing base body 6 around. In the area of the opening of the main body 6 to the coil 3, inside the housing wall 18, two latching recesses 21, 22 are visible.
• the latching recesses 21, 22 are formed by depressions in the housing wall 18.
• the insert 24 is an insulating body with a central through hole 26.
• the central through hole 26 continues in a central through hole 28 in the housing base body 6.
• the central through hole 26 continues in a through hole 29 of the seal 4.
• the through holes 26, 28, 29 form a common through hole, through which a fastening screw 30 extends with its shaft.
• the fastening screw 30 has a screw head 31, which is received with the interposition of an O-ring 33 in a recess of the housing base body 6.
• the shaft of the fastening screw 30 is provided with an external thread.
• the free end of the fastening screw 30 is screwed into a provided with an internal thread through hole 35 which is provided in the coil 3.
• the electrical connector 1 is secured by means of the fastening screw 30 to the coil 3.
• the fastening screw 30 must be solved.
• the electrical plug-in connector 1 are removed from the coil 3, without the insert 24 is removed from the housing 5.
• the insert 24 has a receiving space 40 for a first contact element 41.
• the first contact element 41 is a ground fault pin, which starts from the coil 3.
• the first contact element 41 is partially accommodated in the receiving space 40 which is open towards the coil 3.
• the latter has contact with a second contact element 42 which is arranged in the receiving space 40.
• the second contact element 42 is formed, for example, by a sheet-metal strip which is connected (not shown) to the electrical connection cable.
• the insert 24 is fixed in the housing 5 by means of a blocking element 45.
• the blocking element 45 functions independently of the fastening screw 30.
• the coil 3 and the gasket 4 must be removed from the housing 5 prior to removal of the insert 24.
• the second contact element 42 is formed at its free end substantially U-shaped with a base 50. From the base 50 is a leg 51, which connects the base 50 with the rest of the second contact element 42. On the other side, the base 50 is preceded by a second leg 52, which is received in a recess of the insert 24.
• the recess has essentially the shape of a triangle in cross section.
• the two legs 51, 52 are each arranged at an angle of about 135 degrees to the base 50.
• the ends of the legs 51, 52 are supported on the insert 24.
• the base 50 is located on the first contact ment 41.
• the blocking element 45 is arranged on the base 50 side facing away from the first contact element 41.
• the blocking element 45 is integrally connected to the insert 24 and has the function of a snap-action hook.
• a blocking lug 55 is formed on the blocking element 45, which engages in the latching recess 22 in the blocking position of the blocking element 45 shown in FIGS. 1 and 2.
• the blocking lug 55 and the blocking element 45 are designed so that the insert 24 can not be removed from the housing 5 as long as the blocking element 45 is in its blocking position.
• the ground fault pin 41 which is partially arranged in the receiving space 40, prevents the blocking element 45 from being moved from the illustrated blocking position into a release position. If the ground fault pin 41 is pulled out of the receiving space 40, then the blocking element 45 can be moved from the blocking position shown toward the insert 24, that is to say in FIG. 2, to reach its release position. In the (not shown) release position of the blocking element 45, the blocking lug 55 is moved out of the latching recess 22, so that the insert 24 can be pulled out of the housing 5.
• FIG. 3 shows that a further latching recess 63 is provided in the housing wall 18.
• the various recesses 21, 22, 63 make it possible to arrange the insert 24 in different positions in the housing 5.
• four latching recesses are seen 5 before, one on each side of the housing body 6. This ensures that the insert 24 can be mounted in steps of 90 degrees in the housing 5.
• FIG. 3 further shows that the insert 24 has two further receiving spaces 71, 72, whose openings are arranged adjacent to the central through-hole 26 in the end face of the insert 24 facing the coil.
• the further receiving spaces 71, 72 den-5 NEN for receiving further contact elements, in particular chamfering pins.
• the chamfering pins (not shown) extend from the spool and communicate with other contact elements in the interior of the insert 24.
• the insert 0 24 is inserted into the housing 5.
• Blocking element 45 in one of the recesses 21, 22, 63 a To remove the insert 24, the blocking element 45, for example, with a screwdriver, be lifted from the associated recess. To connect leads to the contact elements in the insert 24, it is necessary to remove the insert 24 from the housing 5.
• removal of the insert 24 is prevented by the blocking element when the first contact element 41 is arranged in the receiving space 40, as shown in o Figure 2.
• the blocking element 45 prevents current-carrying parts from being touched unintentionally.

Landscapes

• Details Of Connecting Devices For Male And Female Coupling (AREA)

Priority Applications (5)

Applications Claiming Priority (2)

Publications (1)

Family

ID=38829228

Family Applications (1)

Country Status (7)

Cited By (1)

Families Citing this family (2)

Citations (3)

Family Cites Families (1)

• 2006
  • 2006-10-05 DE DE102006048318A patent/DE102006048318B4/de not_active Expired - Fee Related
• 2007
  • 2007-10-04 BR BRPI0718149-3A2A patent/BRPI0718149A2/pt not_active IP Right Cessation
  • 2007-10-04 EA EA200900515A patent/EA014393B1/ru not_active IP Right Cessation
  • 2007-10-04 EP EP07817822A patent/EP2076940B1/de not_active Not-in-force
  • 2007-10-04 WO PCT/DK2007/000426 patent/WO2008040353A1/de active Application Filing
  • 2007-10-04 AT AT07817822T patent/ATE471583T1/de active
  • 2007-10-04 CN CN2007800373950A patent/CN101523667B/zh not_active Expired - Fee Related

Patent Citations (3)

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