DE10356892B4 - End piece for receiving a ball head, in particular for connecting dialing, switching or cables in motor vehicles - Google Patents

Abstract

End piece (10) for receiving a ball head (12), in particular for connecting selector cables, shift cables or cables, in particular in motor vehicles, with a housing (14) having an annular wall (16) with a mounting opening (18) into which the ball head (12) can be inserted, and with a in the housing (14) releasably fastened socket (20), sleeve or the like, from a mounting position ( 15c ) in a disassembly position ( 15a ) and vice versa, wherein the ball head (12) is secured in the mounting position in the housing (14) and in the disassembly position of the housing (14) removable or removable, characterized in that on an inner wall (22) of the annular wall ( 16) of the housing (14) a plurality, distributed over the circumference of the annular wall, with the housing (14) integrally connected legs (26) are provided, which are spaced at one end of the annular wall (16) and which in the assembled position of Bush (20) secure the ball head (12) in the housing (14).

Description

The The invention relates to an end piece for receiving a ball head, in particular for the connection of dialing, switching or cables, in particular in motor vehicles, with a ring wall having a housing with a mounting hole, in which the ball head is used, and with a releasably secured in the housing Bush, sleeve or the like, from an assembly position to a disassembly position and conversely, wherein the ball head secured in the mounting position in the housing and in the disassembly position of the housing removable or removable is.

Such an end piece for receiving a ball joint or a ball head, in particular for a cable pull circuit is already out of the DE 196 40 504 C2 known. In this case, the housing consists of a circumferential side wall portion, wherein the interior of the housing is largely filled with rubber. Furthermore, a ball head receptacle is formed in the interior of the housing, in which a ball socket for receiving the ball head is arranged. The ball socket has a receiving opening for the ball head, which is smaller than the diameter of the ball head. Furthermore, the ball head receptacle in the direction of the receiving opening of the ball socket towards an inwardly directed circumferential seat through which the ball socket, the free ends rest against the rotating seat, is held in the ball head receptacle. At the closed end of the ball socket is pressed by an elastic element in the direction of its receiving opening against the inwardly directed seat of the ball head receptacle, wherein at the closed end of the ball socket, a handle is formed.

A comparable ball joint for not straight-line movements with a ball head element and a ball head of the ball head element receiving ball socket is from the DE 44 28 496 C2 known. Specifically, there is provided a sleeve-shaped socket part and a receiving this ring member, wherein the socket member is lockable with the ring member. A provided with an undercut Kugelkalotte serves to receive the ball head and has a stop flange, on the opposite region of the socket part fasteners are provided for locking in corresponding brackets in the ring member, which is formed as elastic, integrally arranged on the outer periphery of the socket member, provided with snap hook ring elements are. The socket member has radial slots extending from the receiving flange to at least over an edge formed by an undercut. The brackets on the inner wall of the ring member are defined by annular grooves bounded projections which define a pre-assembly and a final assembly position. The ring elements can be latched in the preassembly position and in the final assembly position in each case behind an associated projection, wherein the individual ring elements are separated from each other by further slots which are circumferentially offset from the radial slots.

From the DE 25 25 836 B2 a ball joint is known, the ball stud is mounted in a supported from slightly resilient plastic high density, supported in a joint housing bearing shell which has at least one end face of a groove extending around the circumference of the bearing shell, through the two, at a radial distance from each other separate wall sections are formed, which are interconnected by means of a plurality of integrally formed, distributed on the circumference webs. The wall sections used under bias in a cup-like housing are connected by einknickbare webs with the inner wall portions, wherein at least one end face of the bearing shell mehrer bendable, resilient projections are formed, forming the axial extensions of the webs and hold the bearing shell displaceable in the axial direction yielding. If the ball joint is assembled, the rings are aligned in the axial direction approximately with the ball pivot, wherein they face each other and are away from each other. Then the rings are pressed together so that they snap into each other and are mutually connected. The ball of the ball stud is enclosed in the bearing shell. This known ball joint has not only a variety of components, but also a large amount of space.

From the DE 38 41 632 C2 is a fastening and Drehorgan known for a motor vehicle headlamp, which has a ball joint with a so-called capsule, the capsule consists of two parts, which are interconnected by a material weakening hinge, which is arranged substantially at the level of the center of the concave seat ,

These Ball joints or end pieces according to the prior art either prove to be expensive due to the high number of components and complicated or there are components to use, which a big Have space. Also, the known end pieces in terms a disassembly only cumbersome operation, where Assembly or disassembly forces can not be preset exactly are and a reduction of these forces also on the abuse resistance of the tail effect.

Of the Invention is in contrast the task is based on an end piece continue to form with the features mentioned in the above, that It's a simple and inexpensive Structure has, consists of few parts and small space claimed. About that In addition, the tail should can be mounted or dismantled comfortably. According to one Side aspect of the invention are defined Eindrück- or Expressions at be given to the assembly or disassembly, the abuse power In train-pressure direction thereby not or only insignificantly influenced shall be.

The Main object of the invention in terms of a simple and small volume Construction of the tail is essentially solved by that on an inner wall of the annular wall of the housing more over the Circumference of the annular wall distributed arranged, integrally connected to the housing leg are provided, which spaced at one end of the annular wall are and which in the mounting position of the socket the ball head in the case to back up.

to releasable Tying the ball head to the tail are thus only two, Small volume components required.

To a first embodiment The invention provides that a second free leg with the bush, sleeve or the like latched or locked in the mounting position. It secures the socket, sleeve or the like on the one hand in interaction with the first leg the ball head in the housing in the assembly position, while the second leg by means of locking means the axially adjustable socket secures in the mounting position, said locking means of the second Schenkels cooperate with counter-locking means of the socket.

To Another advantageous embodiment of the invention is provided that the first and / or second free leg spring elasticity and in unloaded state have a directed toward the interior of the housing inclination or curvature. When inserting of the ball head into the mounting hole can the first leg elastically dodge outward while the second leg when transferring the socket from the disassembly position to the mounting position spring elastic outward can dodge, to bring the locking means with the counter-locking means in engagement.

From Advantage, the second free leg has a first and / or second Inclined surface, which the assembly force or disassembly force for the transfer of Determine the bushing from the disassembly position to the mounting position and vice versa. By Adjustment of the angle of inclination, where appropriate, of two existing, adjacent oblique surfaces can impressively and ejection forces for the bush, Sleeve or the like can be set individually.

To An advantageous embodiment of the invention are three to five, preferred four webs provided on the inner wall of the housing, which are preferred equally distributed or equidistant over the Scope are arranged on the inner wall.

Of others are on the inner wall, preferably between the webs, a or more attacks arranged, which in installation with counter stops of the socket the mounting position define. Because of this measure is the adjustment of the socket when transferring from the disassembly position in limits the mounting position.

Farther are according to an advantageous embodiment of the invention, the inner walls between the webs of the housing as a guide surface of Bush, sleeve or the like is formed.

Between The first free leg and the inner wall is a wedge-shaped tapering undercut provided, which serves that the free leg in the mounting position against a deflection outwards can be secured so that the ball head securely held in the housing is and the abusers withstand in tension-pressure direction.

Especially is the free first leg in the mounting position of an intermediate first leg and inner wall seated support portion of the socket or secured, wherein the support portion is preferably wedge-shaped is. It is understood that the wedge shape of the support portion of the wedge shape the undercut is adjusted so that a quasi-rigid counter-bearing provided for mounting the ball head in the mounting position is.

The Bush, sleeve or the like, has an annular wall with openings, wherein in each of the openings in each case a first leg engages. In the disassembly position by this measure, the socket, sleeve or the like loose on the housing secured while in the mounting position, the first leg deeper into the openings engage, in which case the support portion of the socket behind puts the first leg and this dome in the spherical head comprehensive Assembly position secures.

Furthermore, it is intended that the äu ßere annular wall of the bush, sleeve or the like is guided axially displaceably on the inner wall of the housing.

The Socket advantageously has a lower closed ring area or ring section, preferably a wedge profile which is funnel-shaped extended downward, so that insertion of the ball head is favored.

The Socket has according to another embodiment of the invention above the counter-attacks a cone-shaped, rejuvenated in diameter Approach to the manual transfer of the socket from assembly to disassembly position.

in this respect it is envisaged that the approach in the assembly position from the casing protrudes. Furthermore, the approach has a circumferential third and / or fourth bevel, which cooperate with the first and / or second inclined surface. Provided on the second leg and the approach in each case two corresponding Slanted surfaces provided are, can by appropriate adaptation of, for example, first inclined surface and third bevel respectively second and fourth bevel the Expressions or Impressive forces for transferring the bushing set from the dismantling to the mounting position and vice versa become.

From Advantage are the third and / or fourth inclined surface in the region of the approach no over distributed over the entire circumference, but only above the openings arranged.

The safe attitude of the ball head in the mounting position will continue thereby favors that an inner annular wall portion of the socket in the mounting position comes to rest on the ball head.

Thereby, that a free end of the first leg in the disassembly position a wall portion of the approach in the upper region of the opening engages, the socket, sleeve or The like against falling out of the housing in the disassembly position secured.

From Advantage consist of the socket and / or the housing made of plastic.

Farther is the case with a tail over one connected side approach, the tail in turn, for example can serve for connection of a cable or the like. Of the Ball head in turn, for example, with a rod or the like connected, which is hinged to a taker. In that regard, then for example, by a donor who operates a cable, the Receivers, such as a manual transmission or the like, in different Switching positions are transferred.

Finally offers it's on, the case, the Webs and the legs form as a one-piece component.

Further Advantages and applications The present invention will become apparent from the following description an embodiment based on the drawings.

It demonstrate:

1 a perspective view of an embodiment of the end piece according to the invention,

2 the tail of the 1 with remote socket,

3 the tail of the 2 with remote connection,

4 the connection to the housing,

5 the socket in perspective view,

6 a sectional view through the housing,

7 a sectional view through the socket,

8th the connection in an enlarged view,

9 and 10 a sectional view through the housing in the assembled position, the sections of 9 and 10 offset by 90 °,

11 and 12 Sectional views through the housing, wherein the two sections are offset by 90 °,

13 and 14 Sectional views through the socket, the two sections are offset by 90 ° and

15a , b, c the tail after 1 in the disassembly position, an intermediate position and the mounting position to illustrate the assembly or disassembly process.

The tail shown in the figures 10 serves to accommodate a ball head 12 , In particular for the connection of dialing, switching or cables in motor vehicles, for example to transmission rods for power or distance transmission.

The tail 10 has a housing 14 with a mounting hole 18 and a ring wall 16 on. In the case 14 is the ball head 12 used. Furthermore, one is in the housing 14 releasably attachable socket 20 , Sleeve or the like element provided by an assembly position ( 15a ) in a disassembly position ( 15c ) And vice versa axially displaceable, wherein the ball head 12 in the mounting position in the housing 14 secured and in the disassembly position from the housing 14 removable or removable.

On an inner wall 22 the ring wall 16 of the housing 14 are several, over the circumference of the ring wall 16 distributed webs 24 provided, each having a first and a second free, from the annular wall 16 spaced legs 26 . 28 have, wherein the first leg 26 in the mounting position of the socket 20 the ball head 12 in the case 14 secures and the second leg 28 with the socket 20 , Sleeve or the like in the mounting position locked or locked. The first and / or second free leg 26 . 28 have a spring elasticity and are curved in the unloaded state or inclined with the free end towards the interior of the housing 14 directed. This inclination or curvature is indicated by the reference numbers 30 . 32 characterized. The second free leg 28 has a first and / or second inclined surface 34 . 36 , about which the mounting force or the disassembly force for the transfer of the socket 20 , Sleeve or the like from the mounting position to the disassembly position and vice versa can be determined.

In particular, three to five, preferably four bars 24 , preferably evenly distributed or equidistant over the circumference on the inner wall 22 of the housing 14 arranged. On the inner wall 22 of the housing 14 , preferably between the bars 24 , are one or more stops 38 arranged in plant with counter-attacks 14 the socket 20 the mounting position of the socket 20 define. The inner wall 22 is in the areas between the jetties 24 as a guide surface 42 the socket 20 educated. Between the first free leg 26 and the inner wall 22 of the housing 14 a wedge-shaped tapering undercut is provided. The first free leg 26 is in the mounting position of one between the first leg 26 and inner wall 22 in the undercut 44 sitting support section 46 the socket 20 secured, with the support section 46 is preferably also wedge-shaped. The rifle 20 has an annular wall 48 with openings 50 on, in each of which a first leg 26 intervenes. The outer ring wall 48 the socket 20 is on the inside wall 22 of the housing 14 guided axially displaceable.

The socket 20 also has a lower, preferably closed ring area 52 , the one wedge profile 54 has, which widens to the outside in a substantially funnel-shaped or conical. Also owns the socket 20 above the counter-attacks 40 a cone-shaped, tapered in diameter approach 56 , which in the assembled position from the housing 14 protrudes.

The approach 56 is with a circumferential third and / or fourth inclined surface 58 . 60 provided, which with the first and / or second inclined surface 34 . 36 interact. Preferably, the third and / or fourth inclined surface 58 . 60 in the area of the approach 56 just above the openings 50 intended. Furthermore, the socket 20 an inner ring wall section 62 on, in the mounting position for engagement with the ball head 12 arrives. A free end of the first thigh 26 engages in the disassembly position a wall section 64 of the approach 56 or the socket 20 ,

The socket 20 and / or the housing 14 are preferably made of plastic. The housing 14 is with a connection 66 via a lateral approach 68 connected. Furthermore, it is envisaged that the housing 14 , the footbridges 24 and first and / or second legs 26 . 28 are integrally connected to each other.

The assembly or disassembly of the ball head 12 on the tail 10 should be based on the 15 be explained in more detail.

First, the socket 20 , in a lower position, in the housing 14 introduced. The first thighs grip 26 over a wall section 64 the socket 20 so that the socket 20 loose in this disassembly position on the housing 14 is secured. The ball head 12 will now be in the mounting hole 18 of the housing 14 as well as in the interior of the socket 20 introduced and still located in disassembly position socket 20 inside the socket 20 shifted upwards, with the first legs 26 be moved elastically outward. Subsequently, also the socket 20 from the disassembly position axially upwards within the housing 14 shifted, with the inclined surface 60 the socket 20 along the inclined surface 36 the upper, second leg 28 slides. By a suitable design of the inclination of these inclined surfaces 36 . 60 the indentation forces are defined. In the mounting position are the counter stops 40 the socket 20 at the attacks 38 of the housing 14 at. In this mounting position is the socket 20 on the housing 14 by an interaction of the third inclined surface 58 at the socket 20 and the first inclined surface 34 on the second leg 28 secured against axial displacement back into the disassembly position. At the same time is the support section 46 the socket 20 in the undercut 44 between the first leg 26 and inner wall 22 of the housing 14 immersed, leaving the first leg 26 can not be moved radially outward in the mounting position. Thus, the ball head 12 safe in the mounting position on the tail 10 established. To dismantle it is only necessary to put pressure on the approach 56 the socket 20 exercise, wherein the Ausdrückkraft by an interaction of the third inclined surface 58 and the first inclined surface 34 or their inclinations are defined.

Overall, a simple design and easy-to-use tail created by the invention, wherein defined indenting and Ausdrückkräfte, for example, less than 50 Newton and greater than 200 Newton, defined and are independently adjustable. Also, the tail can be easily handle in blind assembly, in addition, a one-hand operation is guaranteed. The tail 10 takes only a very small space to complete, the outer diameter may be less than 20 mm in the range. Also, a high Abbrauchskraft is guaranteed, for example, at 1750 Newton and more in the train-pressure direction.

10

tail

12

ball head

14

casing

16

ring wall

18

mounting hole

20

Rifle

22

inner wall

24

web

26

first leg

28

second leg

30

curvature

32

curvature

34

first sloping surface

36

second sloping surface

38

attack

40

counterstop

42

guide surface

44

undercut

46

support section

48

ring wall

50

perforation

52

ring area

54

spline

56

approach

58

third sloping surface

60

fourth sloping surface

62

Ring wall section

64

wall section

66

connection

68

approach

Claims (21)

Tail ( 10 ) for receiving a ball head ( 12 ), in particular for the connection of selector, shift or cable trains, in particular in motor vehicles, with a an annular wall ( 16 ) housing ( 14 ) with a mounting opening ( 18 ) into which the ball head ( 12 ) and with one in the housing ( 14 ) releasably attachable socket ( 20 ), Sleeve or the like, from an assembly position ( 15c ) in a disassembly position ( 15a ) and vice versa, wherein the ball head ( 12 ) in the mounting position in the housing ( 14 ) and in the disassembly position from the housing ( 14 ) is removable or removable, characterized in that on an inner wall ( 22 ) of the annular wall ( 16 ) of the housing ( 14 ) several, distributed over the circumference of the annular wall arranged with the housing ( 14 ) integrally connected legs ( 26 ) are provided, which at one end of the annular wall ( 16 ) are spaced and which in the mounting position of the bush ( 20 ) the ball head ( 12 ) in the housing ( 14 ) to back up. End piece according to one of the preceding claims, characterized in that housing ( 14 ), the webs ( 24 ) as well as the legs ( 26 . 28 ) are integrally connected. End piece according to claim 1, characterized in that a second free leg ( 28 ) with the socket ( 20 ), Sleeve or the like latched or locked in the mounting position. End piece according to claim 1 or 2, characterized in that the first and / or second free leg ( 26 . 28 ) a spring elasticity and in the unloaded state a to the interior of the housing ( 14 ) directed slope, curvature ( 30 . 32 ) or the like. End piece according to claim 2 or 3, characterized in that the second free leg ( 28 ) a first and / or second inclined surface ( 34 . 36 ), which the mounting force or the disassembly force for the transfer of the socket ( 20 ), Sleeve or the like. End piece according to one of the preceding claims, characterized in that three to five, preferably four webs ( 24 ), preferably evenly distributed or equidistantly on the inner wall ( 22 ) of the housing ses ( 14 ) are arranged. End piece according to one of the preceding claims, characterized in that on the inner wall ( 22 ), preferably between the webs ( 24 ), one or more stops ( 38 ) which are in contact with counter-attacks ( 40 ) of the socket ( 20 ) or the like define the mounting position. End piece according to one of the preceding claims, characterized in that the inner wall ( 22 ) between the bridges ( 24 ) as a guide surface ( 42 ) of the socket ( 20 ) or the like is formed. End piece according to one of the preceding claims, characterized in that between the first free leg ( 26 ) and the inner wall ( 22 ) a wedge-shaped or the like tapering undercut ( 44 ) is provided. End piece according to one of the preceding claims, characterized in that the first free leg ( 26 ) in the mounting position of one between the first leg ( 26 ) and the inner wall ( 22 ) sitting support section ( 46 ) of the socket ( 20 ) or the like is secured, wherein the support portion ( 46 ) is preferably wedge-shaped. End piece according to one of the preceding claims, characterized in that the bushing ( 20 ) or the like an annular wall ( 48 ) with openings ( 50 ), in each of which a first leg ( 26 ) intervenes. End piece according to one of the preceding claims, characterized in that the annular wall ( 48 ) of the socket ( 20 ) on the inner wall ( 22 ) is guided. End piece according to one of the preceding claims, characterized in that the bushing ( 20 ) a lower closed ring area ( 52 ), which preferably has a wedge profile ( 54 ) owns. End piece according to one of the preceding claims, characterized in that the bushing ( 20 ) above counter-attacks ( 40 ) a cone-shaped, tapered in diameter approach ( 56 ) having. End piece according to claim 13, characterized in that the approach ( 56 ) in the assembled position from the housing ( 14 ) protrudes. End piece according to one of the preceding claims 13 or 14, characterized in that the projection ( 56 ) a circumferential third and / or fourth inclined surface ( 48 . 16 ), which with the first and / or second inclined surface ( 34 . 36 ) interact. End piece according to claim 15, characterized in that third and / or fourth inclined surface ( 58 . 60 ) in the area of the approach ( 56 ) above the openings ( 50 ) are arranged. End piece according to one of the preceding claims, characterized in that an inner ring wall section ( 62 ) of the socket ( 20 ) in the mounting position for engagement with the ball head ( 12 ). End piece according to one of the preceding claims, characterized in that a free end of the first leg ( 26 ) in the disassembly position a wall section ( 64 ) of the approach ( 56 ) or the socket ( 20 ) or the like engages behind. End piece according to one of the preceding claims, characterized in that the bushing ( 20 ) and / or the housing ( 14 ) consist of plastic. End piece according to one of the preceding claims, characterized in that the housing ( 14 ) with a connection ( 66 ) via a lateral approach ( 68 ) connected is.