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
  • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
  • H01R9/22—Bases, e.g. strip, block, panel
  • H01R9/24—Terminal blocks
  • H01R9/2475—Means facilitating correct wiring, e.g. marking plates, identification tags

Definitions

• the invention describes a plug-in screw terminal arrangement for compact automation devices which accommodate circuit boards with electronic circuits surrounded by a housing, a group of screw terminals being arranged next to one another and making electrical connections between external connecting lines and the electrical and / or electronic lines located on the circuit board .
• the connecting elements between the electrical or electronic circuits on a printed circuit board located in a housing and the external connecting lines are pre-assembled.
• the screw terminals are provided with corresponding contacting devices that are soldered directly to the corresponding contacting points on the circuit board.
• the disadvantage here is that pre-wiring outside the device is not possible and that the external forces exerted on the connecting lines have a direct effect on the soldered connections and lead to faulty connections.
• the internal device wiring hardly reduces these disadvantages.
• a flexible wire connection is created between the screw terminal and the PCB contact.
• Vibrations of the device also lead to defective solder connections.
• the assembly is complex and uneconomical.
• a plug-in screw terminal was known from DE-PS 32 43 132.
• This is a box-shaped electronic printed circuit board containing a printed circuit board with a cover on the front and screw connections for connecting lines which can be actuated on the front.
• the screw connections are provided as a plug-in unit that can be contacted with the printed circuit board and are covered on the front by a cover with a labeling field.
• This screw terminal is intended for flat modules that can be plugged into a rack and is an integral part of a front connector system.
• the invention has for its object a plug-in screw terminal arrangement for To create compact automation devices that enables prewiring of the connecting lines and has a protective cover that is effective as a locking device, safety device and assembly device.
• the screw-type terminal arrangement consists of a terminal part and a flap, the terminal part having at least one latching cam, a labeling field and two opposite bearing journals arranged in the upper region of its side surfaces, and the flap consisting of a resilient latching strip which is angled Forms part of the roof-shaped cover surface, there are two resilient locking bars with locking lugs located at their ends, there being a bearing hole in each of the locking bars and that the flap is connected to the clamping part in such a way that the resilient locking bars are bent outwards over the trunnions until the bearing pins engage in the bearing holes.
• the clamp part is positively inserted into an opening of the housing when the flap is open, the plug-in contact part being inserted over the pin strip of the printed circuit board and making contact with it.
• the housing in the rear corner areas of the opening on the locking lugs counter-shaped rear engages, in which the locking lugs engage when the flap is closed under the action of a positive locking of the locking bar and the locking cams, the flap being designed such that it is in the open state as a pull-out aid for serves to separate the plug-in screw terminal arrangement and the pin strip, the flap has a recess between its locking webs which, when the flap is closed, comprises a head surface of the terminal part which can be used as a labeling field.
• the surface of the flap covering the openings is expediently used for terminal identification.
• 1 is a perspective view of the plug-in screw terminal arrangement according to the invention with the flap open
• 2 shows a clamp part and a flap of the screw terminal arrangement according to the invention in an exploded view
• FIG. 3 shows a side view of a plug-in screw-terminal arrangement with the flap open and in the assembled state without a housing
• FIG. 4 shows a side view with the flap closed and sealed, showing the rear grip of the flap in a recess formed in the housing; and
• FIG. 5 shows a housing with an assembled screw terminal arrangement according to the invention with the flap closed.
• FIG. 1 shows a perspective illustration of the plug-in screw terminal arrangement according to the invention with the flap open.
• the screw terminal arrangement 1 consists of a clamp part 2 and a flap 3.
• the flap 3 is latched and articulated to the clamp part 2.
• the Riegel ⁇ webs 33 are resilient.
• the bearing holes 35 arranged in the locking webs 33 latch with the bearing pins 24 arranged in the upper region of the side surfaces 23 of the clamping part 24.
• the flap 3 is now articulatedly connected to the clamping part 2.
• the resiliently designed latching strip 31 of the flap 3 latches with the latching cams 21 of the clamp part 2.
• FIG. 2 shows the clamp part and the flap of the screw terminal arrangement according to the invention in an exploded view.
• the terminal part 2 consists of a group of ten screw terminals, the screws of which are made accessible through the circular openings 26 with a screwdriver.
• the lead wires are inserted into the terminal chambers 27.
• the labeling field 22 lies behind the openings 26 and is visible both when the flap is open and when the flap is closed.
• FIG. 3 shows a side view of the plug-in screw terminal arrangement with the flap open and in the assembled state without a housing
• FIG. 4 shows a side view with the flap closed and sealed, showing the rear grip of the flap in a recess formed in the housing.
• the plug contact part 25 is on a soldered on the printed circuit board 6 pin strip 5.
• the locking lugs 34 of which only one is visible in this view, positively engage in the rear handles 42 of the housing 4.
• a positive fit is by the Locking of the locking bar 31 with the locking cams 21 reached.
• a force which acts on the clamping part 2 due to mechanical stress is transmitted directly to the housing 4, and there is no transmission of force to the pin strip 5.
• the solder joint 7 is thus freed from mechanical stress.
• the flap 3 is secured in a controlled manner against unauthorized opening by a sealing strip 8.
• FIG. 5 shows a housing with an assembled screw terminal arrangement according to the invention and a closed flap.
• the screw terminal arrangement 1 is locked in this state.
• the locking lugs 34 are non-positively inserted in the rear handles 42 and the screw terminal arrangement cannot be removed from the housing 4.
• the lock is only released by opening the flap 3.
• the opened flap 3 offers handy help with the assembly and disassembly of the screw terminal arrangement.

Landscapes

• Coupling Device And Connection With Printed Circuit (AREA)
• Connections Arranged To Contact A Plurality Of Conductors (AREA)
• Connector Housings Or Holding Contact Members (AREA)

Priority Applications (2)

Applications Claiming Priority (2)

Publications (1)

Family

ID=6884714

Family Applications (1)

Country Status (4)

Cited By (2)

Families Citing this family (1)

Citations (5)

• 1992
  • 1992-10-10 DE DE9213723U patent/DE9213723U1/de not_active Expired - Lifetime
• 1993
  • 1993-07-15 AT AT93914629T patent/ATE151591T1/de not_active IP Right Cessation
  • 1993-07-15 EP EP93914629A patent/EP0634086B1/de not_active Expired - Lifetime
  • 1993-07-15 WO PCT/DE1993/000626 patent/WO1994018816A1/de active IP Right Grant
  • 1993-07-15 DE DE59306122T patent/DE59306122D1/de not_active Expired - Fee Related

Patent Citations (5)

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