Electrical connectors – With insulation other than conductor sheath – Plural-contact coupling part
Patent
1991-06-05
1993-05-18
Paumen, Gary F.
Electrical connectors
With insulation other than conductor sheath
Plural-contact coupling part
439752, H01R 13502
Patent
active
052115860
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
The invention is based on a power strip, in particular for an electric switch device. A known power strip is embodied in divided form, with a plurality of plug connection parts disposed fixedly in the power strip and with further plug connecting parts located in an insert part. The insert part snaps into place with the aid of prongs into a bore of the housing of the power strip. However, this power strip has the disadvantage of not providing adequate sealing in the direction of the counterpart. The plug connection parts cannot be removed without destroying them, so it is impossible to make repairs once an electric switch device has been installed.
ADVANTAGES OF THE INVENTION
The power strip according to the invention as defined has the advantage over the prior art that adequately good sealing with respect to the installed switch device can be attained by sealing the base body of the power strip. Thus the conditions that users of the power strip require are adequately met. The pressing force necessary to effect the sealing is brought to bear in a simple manner by the arresting comb. Simple and economical assembly is possible. With the aid of the wedge-shaped region of the tines of the arresting comb, the necessary pressing force on the seal can be generated with little exertion of force. The remainder of the region of the tines of the comb, in operative connection with its contact faces of the base body, effects centering and fixation. Because the comb is asymmetrically embodied, more secure installation is possible. The comb can be pulled out again at any time in a simple manner, to enable repairs on the installed control unit. The shoulders of the tines keep the insert part in a defined position.
Advantageous further developments of the power strip disposed in the main claim are possible with the characteristics recited in the dependent claims.
BRIEF DESCRIPTION OF THE DRAWING
An exemplary embodiment of the invention is shown in the drawing and described in further detail below. FIG. 1 shows a longitudinal section through a power strip; FIG. 2 is a view in the direction A of FIG. 1; and FIG. 3 shows a detail in longitudinal section.
DESCRIPTION OF THE EXEMPLARY EMBODIMENT
In FIG. 1, 10 designates a base body, made from plastic, of a power strip 11, which has a holder body 12 on its front for holding a counterpart plug, not shown. A number of flat plugs 13 are embedded in the base body 10 in a sealed manner. The flat plugs 13, arranged in two rows, protrude with their plug portions 14 into the holder body 12 for the counterpart plug. The other end of the flat plug 13 is embodied as a connection lug 15 and is soldered to an associated conductor track, not shown in detail, of a first printing wiring board 16. Instead of a printed wiring board, a hybrid board may be used.
Virtually parallel to the first printing wiring board 16, a second printing board 18 is secured to one branch 19 of an insert part 20 with the aid of a snap connection 21. Other flat plugs 13a are embedded in the insert part 20 in a sealed manner. One end of each flat plug 13a is again embodied as a connection lug 15a, and these lugs are soldered to conductor tracks on the second printing wiring board 18.
A recess 25 is formed in the base body 10 from the direction of the switch device; its side 26 toward the first printing wiring board 16 is vertical and preferably parallel to the first printing wiring board 16. The opposite side of the recess 26 has a beveled face 27, for introduction of the insert part 20, and an end region 28 that extends parallel to the other side 26. There is also a number of windows 30 corresponding to the number of flat plugs 13a in the bottom 29 of the recess 25. A seal 33 is disposed between the insert part 20 and the bottom part 29 of the recess 25. The bottom 29 of the recess 25 and the face end of the insert part 20 toward the seal 33 are shaped specifically for the seal. This provides good contact of the seal 33 or in other words a line-type contact of the seal 33. Vertical
REFERENCES:
patent: 4319799 (1982-03-01), Pearce, Jr.
patent: 4596436 (1986-06-01), Kraemer et al.
patent: 4723196 (1988-02-01), Hofmeister et al.
patent: 4776651 (1988-10-01), Paulo
Kalhlammer Hannes
Maue Hans-Heinrich
Schaub Uwe
Greigg Edwin E.
Greigg Ronald E.
Paumen Gary F.
Robert & Bosch GmbH
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