DE7812822U1 - Socket for multi-pole plug device - Google Patents

Description

'■ MERTENS & KEIL

⁵ PATENT LAWYERS

Erich Jaeger KG Gluckensteinweg 5a

6380 Bad Homburg v.d.H. 1

"Socket for multi-pole plug device"

The invention relates to a socket according to the generic term of claim 1.

(Such sockets have so far been quite expensive in the Manufacturing and assembly.

The object of the present invention is to provide a respect Manufacture, assembly and connection of improved socket (Iu create.

(Friese task is presented with the characteristic features of the for claim 1 solved. Because the contact carrier insert ihfeiteilig is formed, the contacts can be Insert pin-fold way with your foot in the upward-pointing (axial recesses of the contact carrier and through | Loosen the contact attachment with the corresponding contact pins and define these encompassing openings in the flontaktträgereinsatz, since the openings of the Rontaktaufsatzes have a smaller clear width than the foot part of the contacts held therein or that in the foot part provided connection fastening screws. The contact pins are thus protected in the base part of the Contact attachment, the cross-section and shape of which corresponds to the rest of the plug to be inserted into the socket.

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With the feature of claim 2, the entire two-part Contact carrier insert is just as easy as joining the contact carrier and contact attachment in the Housing to be inserted.

Claim 3 provides a special embodiment of the latching or plug connection between the contact carrier and the contact attachment before. The locking pins and Rastausnehrr.ungen can optionally depending on the contact carrier or on the Kontaktaufsat7. be provided.

Claim 4 relates to a special embodiment of the latching or plug connection between the contact carrier insert and the housing. The detents may also reversed at the contact carrier _insert: that the contact support or the contact attachment be provided which andung Innenv.-then with corresponding surfaces on the said housing or a portion thereof interact.

I'it the help of the measure of claim 5 can be a distinctive Placing the contact attachment on the contact carrier and thus also a control of the correct insertion of the contact pins or contact sleeves is possible.

The feature of claim 6 ensures a distinctive insertion of the contact carrier insert into the housing. Here, too, conversely, projections can be provided on the contact carrier insert and recesses in the interior of the housing be to the unchangeable insertion of the contact carrier insert to ensure in the housing.

Claim 7 provides a special embodiment of the arrangement of the webs in the interior of the housing.

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MERTENS & KEIL PATENT LAWYERS

The feature of claim 8 mainly serves to save material and the axial accessibility of the openings in the contact feet for the insertion of the connecting wires. Because of the alignment of the legs with the lower edge of the housing is supported in the installed or attached state of the contact carrier on the built-in or mounting surface, so that the locking connection between the contact carrier insert and the housing in the installed state is relieved.

If one takes the measure of claim 9, the terminal fastening screws are, if a screw connection is provided instead of a solder, crimp or plug connection is easily accessible from the radial direction with a screwdriver.

With the feature of claim 10 it can be achieved that the connecting wires are inserted axially into the openings of the respective Koritaktfußes, contrary to the usual practice up to now can. This considerably simplifies the connection of the socket according to the invention.

In the case of sockets with a very large number, for example seven poles, the measure of claim 11 can be useful if, for example a middle contact is surrounded by six outer contacts. With the help of the feature of claim 11 can this ensures that the terminal fastening screw of the central contact is also accessible radially from the outside is.

7812822 10/12/78

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■■ '■ · ^: J ₈ J' ■ · 'MERTENS & KEIL}

PATENT LAWYERS j

Claim 12 relates to an expedient and pleasing form;

environment of the housing. ■

The feature of claim 13 offers an integrated one

insertion of the lid into the can and avoids protruding |

Edge. jf

Due to the measure of claim 14 can be simple
One finger under the grip tab
and the lid can be opened, especially since the grip tab
usually has a concave curve at the lower edge.

The measure of claim 15 in particular
Reach under the tab on the lid to open it
relieved even further.

Further features, advantages and possible uses of the
The present invention will emerge from the following
Description of an exemplary embodiment based on the accompanying drawing. All of the described and / or form
Characteristics shown on their own or in any meaningful combination form the subject matter of the present invention.

Show it:

Fig. La is a side view of the socket housing (ofc-ne \

Lid), ',

Fig. Ib the socket housing according to Fig.la from the view ' X,

Fig. Ic the socket housing according to Fig.la from the view
Y,

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'PATENT LAWYERS

[ Fig. Ld a section of the can body along the

, Line A-B of Fig. Ic,

Fig. Ie a section of the can body along the line C-D of Fig. Ic,

Fig. If an enlarged representation of the detail Z of Fig. Id,

2a shows a top view of the cover of the socket according to the invention,

2b shows the cover according to FIG. 2a from view Y, FIG. 2c shows the cover according to FIG. 2a from view Z, F? G. 2d the cover according to FIG. 2b according to a view X,

FIG. 2e shows a section of the cover according to FIG. 2b the line A-B,

FIG. 2f shows a detailed section of the cover of an alternative to FIG. 2e,

3a shows a top view of the contact carrier of a socket according to the invention,

Fig. 3b shows a section of the contact carrier according to Fig. 3a along the line A-B,

3c shows the contact carrier according to FIG. 3b from view X,

FIG. 3d shows a side view of the contact carrier according to FIG. 3a, partially in section,

Fig. 4a is a top view of the contact attachment of socket according to the invention,

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FIG. 4b shows the contact attachment from FIG. Aa from view A,

FIG. 4c shows the contact attachment from FIG. 4b from the view X, and

FIG. 4d shows the contact attachment from FIG. 4a from view B.

The socket shown in the figures serves, for example, a seven-pole stack device and corresponds to DIN standard 72577. The housing 2 with cover 1 and the au-. Contact carrier 3 and contact attachment 8 existing contact carrier insert and the housing 2 are made of plastic, such as Hostalen. The contact carrier 3 has on its upper side 4 axially symmetrically distributed axial recesses 5, into which the contact pins or contact sockets 6 with their foot part 7 can be inserted according to FIG. 3b. When a screw connection is provided, the heads of the screws 27 provided in the foot part 7 of the contacts 6 come to lie in radially outwardly pointing grooves or bores 6 of the contact carrier 3. The screws 27 are therefore accessible from the outside with a screwdriver even after the contact attachment 8 has been placed on. After the contacts 6 have been inserted into the axial recesses 5, the contact attachment 8 can be placed on the contact carrier 3 with a corresponding alignment of the openings S provided in its base section 11 and can be latched to it. For the locking connection between the contact carrier 3 and the contact attachment 8, the contact attachment 8 has two radially opposite cross-head locking pins 12 on its underside, which engage in corresponding locking recesses 13 on the upper side of the contact carrier 3. After placing of the contact tower 8 to the contact support 3 the contacts 6 lie with their pin or hlilsenförmigen contact portions 10 in the openings of the ε Sockelabsuhnittes

^:: MERTENS Ä KEIL

¹¹ PATENT LAWYERS

11 of the contact attachment 8. The contacts 6 are due to the enlarged foot part 7 or the laterally protruding Screw heads in the contact carrier insert of the socket formed from contact carrier 3 and contact attachment 8 held. Contact carrier 3 and contact attachment 8 have mutually corresponding edge recesses 17 and 18 more asymmetrically Shape or arrangement and / or the contact attachment 8 on its underside lugs 37, which in a certain position of the contact attachment 8 fit into corresponding recesses 3ti of the contact carrier 3, so that a distinctive Ensure that the contact attachment 8 is correctly positioned on the contact carrier 3. The illustration shows, for example on each part two edge recesses 17 and 18, respectively, offset by 120, and a third edge recess, offset by a further 120 17 and 18 are angular. The contact carrier 3 has a plate-shaped portion 23 in which the axial recesses 5 are provided. From this, four legs 25, which are arranged symmetrically at an angle, point downward in FIG Direction of the housing edge 24 and close with their underside in the inserted state with the lower housing edge 24 from. In this way, the contact carrier insert formed from contact carrier 3 and contact attachment 8 becomes the contact carrier insert according to the invention Socket after installation or attachment from the input and / or Cultivation area supported. The axial recesses 5 of the plate-shaped section 23 of the contact carrier 3 are set up on the underside of the plate-shaped section 23 continues in tapered axial openings 28. In this way, are in the respective foot parts 7 of the Contacts 6 provided connection bores 36 on the underside of the contact carrier 3 even after the contact attachment has been placed 8 free and the connecting wires can be inserted axially into these connecting bores 36 in a simple manner will. The axial recesses 5 of the contact carrier 3 are so far to the bottom 29 that the contacts 6 with lateral Play even after the contact attachment has been put on

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8 are held in the contact carrier insert, and thereby the contacts 6 when the plug part is plugged in adjust yourself. From Fig. 3b it can be seen that the axial recess 5 for receiving the central contact 6 is deeper than the surrounding axial recesses 5. In this way it is achieved that the in the foot part 7 of the middle contact 6 provided terminal fastening screw 27 via a corresponding radial bore 26 of laterally with the aid of a screwdriver between the legs 25 is accessible through. After inserting the contacts 6 in the axial recesses 5, the locking placement of the contact attachment 8 on the contact carrier 3, the attachment the connection cable to the contacts 6 with the aid of the fastening screws 27, the contact carrier insert can be inserted into the housing 2. So here, too, there is always something unmistakable Insertion of the contact carrier insert into the housing 2 is guaranteed, the contact carrier insert has on the outer circumferential surface 16 of the contact carrier 3 has two edge cutouts 19 offset by 120 and a double edge cutout offset by a further 120 19, which fit together with corresponding axial webs 20 on the inner wall 14 of the housing 2. On the webs 20 each locking lugs 15 are provided in a corresponding axial position, so that when inserting the contact carrier insert The plate-shaped section 23 slides with the outer peripheral surface 16 over the latching lugs 15 in the housing 2 and engages in the housing 2. This snap-in connection does not need to be particularly stable because it is built in or built on of the housing 2, the contact carrier 3 is supported with the legs on the built-in or mounting surface. The webs 20 are integrally formed on the ribs 22, which are already provided in an angle-symmetrical manner, for receiving the fastening bolts 21. That Housing 2 itself has an approximately cylindrical jacket section 30, to which a spherical cap section 31 adjoins steplessly upwards. In the spherical cap section 31 are indentations 32 for inserting the

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PATENT LAWYERS

Fastening bolts 21 are provided in the ribs 22. The lid

1 is in its spherical shape to that of the cap section 31 also adapted with its grip tab 33 essentially. The grip tab 33, which is resilient on the housing

2 is articulated, in the closed state partially overlaps one of the angularly symmetrical indentations

32. In this way, the grip tab 33 can be easily reached under with a finger to open the cover 1. Around The fastening bolts are to improve the opening possibility 21 with her head, in particular the one under the tab 33, sunk into the can housing 2 so taking advantage of the concave rounding of the lower edge of the grip tab 33, which is already provided according to DIN standard 72 577, despite the fitting of the round cover 1 into the spherical cap section 31 is facilitated. In adaptation to DIN standard 72 577, the inner surface 39 of the cover 1 at the transition be angled door grip tab 33, as can be seen from Fig. 2f.

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List of reference symbols:

1 lid

2 box housings

3 Contact carrier A top

5 axial recesses

6 contacts

8 contact attachment

9 breakthroughs

10 contact parts

11 base section

12 locking pins

13 locking recess

14 inner wall

15 locking lug

16 outer peripheral surface

17 Edge recess

18 Edge recess

19 Edge recess

20 bars

21 mounting bolts

22 ribs

23 plate-shaped section

24 edge of the case

25 legs

26 radial grooves

27 Terminal Fixing Screws

28 breakthroughs

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29 floor

30 jacket section

31 cap section

32 indentations

33 grip tab

34 Edge of the handle

35 rounding

36 connection holes

37 approaches

38 recesses

39 inner surface

7812822 10/12/78

Claims (1)

Protection claims: 1. Socket for multi-pole plug device, especially for the electrical connection of motor vehicle trailers, with a can housing which can be closed by a cover and a contact carrier insert, characterized in that the contact carrier insert (3, 8) from a contact carrier (3), v / elcher on its upper side (4) axial recesses (5) for receiving the respective foot (7) of the contacts (6) up / down, and a separate contact attachment (8), which the position of the contacts (6) corresponding openings 7812822 10/12/78 · .. · .. * V MERTENS & ΚΕΙ - 2 - PATENT LAWYERS (9) and consisting of the contact carrier. (3) outstanding pin- or sleeve-shaped parts (10) of the contacts (6) substantially completely _§ t encloses in a base portion (11), and in that the contact carrier (3) and the contact attachment (8) are connected to one another by locking or plug connections. 2. Socket according to claim 1, characterized in that the two-part contact carrier insert (3, 8) in the housing (2) is held by locking or plug connection. 3. Socket according to claim 1 or 2, characterized in that that the locking or plug connection between the contact carrier (3) and contact attachment (8) has at least one locking pin (12), each with one of the contact carrier insert parts (3, 8) is connected and in a locking recess (13) * the other contact carrier insert part (8, 3) engages. 4. Socket according to claim 2 or 3, characterized in that the latching or plug connection between the contact carrier insert (3, 8) and housing (2) by at least one on the inner wall (14) of the housing (2) or part thereof provided locking lug (15) is formed, which with the outer peripheral surface (16) of the contact carrier insert (3, 8) or a part of it cooperates. 5. Socket according to one of claims 1 to 4, characterized j marked that contact carrier (3) and contact attachment (8) mutually corresponding edge recesses (17, 18) have, and / or mating lugs (37) and recesses (38). 6. Socket according to one of claims 1 to 5, characterized in that the contact carrier insert (3, 8) edge 7812822 10/12/78 ^: "MERTENS Ä KEIL ~ ³ ~ PATENT LAWYERS has recesses (19) in which corresponding webs (20) of the housing (2) attack. 7. Socket according to Claim 6, characterized in that the webs (20) are integrally formed on the ribs (22) of the housing (2) intended for receiving the fastening bolts (21) are. 8. Socket according to one of claims 1 to 7, characterized in that the contact carrier (3) has a plate-shaped Section (23) with legs (25) pointing in the direction of the housing edge (24), which with the housing edge (24) cursing. 9. Socket according to one of claims 1 to 8, characterized characterized in that the axial recesses (5) radially outwardly pointing grooves or bores (26) for the reception the connection fastening screws (27) of the contacts (6) or comparable fastening parts. 10. Socket according to one of claims 1 to 9, characterized in that the axial recesses (5) are in tapered, possibly eccentric axial openings (28) of the contact carrier (3). 11. Socket according to one of claims 9 or 10, characterized characterized in that the radial grooves or bores (26) lie axially one above the other in more than one plane and the Contacts (6) have correspondingly different axial lengths. • I ■ * '' ₄ MERTENS & KEIL PATENT LAWYERS 12. Socket according to one of claims 1 to 11, characterized characterized in that the housing (2) has an approximately cylindrical Dumbbell section (30) with an adjoining ball 5 per. Has cap section (31). 15. Socket according to claim 12, daci-irch in ^r Y i '. \ In the spherical Kapp nabschn ^ \ 11 (31) of the cover (1) r.it kurelirer corresponding shape is fitted. 14. Stecs.n-se according to claim 13 or 14, characterized in that jaß cas Geh ;, use (2) indentations (32) for inserting c: - r Beieat::; ur.P £ bolz ': n ( 21) and the lid (1) has a tab (22) hot, which only partially overrart one of the indentations (32). 15. Sockets r ^ -ch oner, of claims 1 birj 14, thereby if xennze: chne *: that öer r'.ouf oer jev / eilipen E ° festipunsb ^r -lzen (? .L) in the Losencehausc (2) rela: en is. 7812822 10/12/78