DE3604319C2 - - Google Patents

Description

The invention is based on a device according to the Ober Concept of claim 1.

From DE-OS 28 21 246 is a generic Connection device known, however the assembly and manufacturing effort is considerable, since the connection of the individual parts by means of multiple screws is required, and also the parts rotatable relative to each other via a hollow rivet or a hollow threaded sleeve need to be connected.

The diverse arrangement need of Fastening screws that are visible from the outside, also disturbs the visual impression of this device.

Based on this state of the art Invention, the object of a device Generic type to create the respect the manufacture is considerably simplified and particularly simple and functional with each other and connected to the casing pipes to be coupled can be.  

The solution to this problem is conveyed in the characterizing part of claim 1.

The training according to the invention achieves that in principle only two individual parts for the production are necessary, namely the middle section, which can and should be made in one piece, as well as a half-shell, which is designed that two half-shells form an edge piece. If the design of the half-shells is identical only one half-shell during manufacture with a threaded part for the fastener and the other half-shell with a continuous one offset hole, so that in the hole a cap screw used as a fastener can be.

The exit press part is for both half shells identical. Manufacturing and assembly technology this solution is simple and advantageous.

The further simplification in terms of assembly and manufacturing serves the sub-characteristic b) because the Cladding tube holding means according to sub-characteristic c) only before joining the half shells  must be used and so without further ado are attached.

Since the cladding tube holding means depending on the position the cladding tubes or depending on the orientation of the slot of these holding tubes different Must have orientation, is still the one and lockable pivot bearing provided, whereby by measure c) of the main claim is easy Accessibility and functional safety with regard to the cladding tube holding means is favored. Overall, the connection device is very simple to assemble, namely by first in each one of the half shells of an edge piece in the corresponding holding pockets the protrusions the bracket are used, further the middle section behind the corresponding Flange of one of the edge pieces is pushed and then the second half-shell of the respective edge piece is added over it, the total together stop by inserting the fastener is made, which the half shells with each other connects. The same process is on the other Side of the middle section.  

After proper alignment of the edge pieces at the desired angle, the fairing pipe holding means with their protruding outside Legs inserted into the ends of the casing pipes slide and the clamping parts with screws be spread.

The screws are through the slot of the fairing pipes accessible. Furthermore, even before Slide the casing tubes over the pivot bearing by tightening the corresponding screw be ensured so that the final adjustment is. The manufacture of the individual parts of the connection device is on a few, uncomplicated parts limited, with the overall structure extremely is easy to assemble.

A preferred further development is in claim 2 designated.

The blocking of a pivot bearing by a grub screw or the like is in itself from DE-OS 28 21 246th known.  

An exemplary embodiment of the invention is based on the drawing explained. It shows

Figure 1 shows an embodiment of the device according to the Invention in side view, partially cut.

Fig. 2 likewise in front view.

The device for connecting a through-going longitudinal slot covering tubes 1 for busbars or fluorescent tubes consists essentially of two edge pieces 2 and 3 and a central section 4th The facing ends of two angularly extending panel having tubes 1 are by means of the group consisting of the parts 2 to 4 connecting piece, which is about the same outer contour as the Panel pipes 1 connected together. The edge pieces 2, 3 are rotatably supported on the central section 4 about their central longitudinal axis. Their end faces facing away from one another run in a plane running at right angles to the longitudinal axis, while the facing end faces form an angle of 22.5 ° with this plane.

The end faces of the middle section 4 form an angle of 45 ° with one another. This arrangement ensures that any angular position between 90 ° and 270 ° can be set, although the connected cladding tubes 1 can still lie in one plane.

In order to achieve the corresponding angular position, both edge pieces 2, 3 must be rotated relative to the central section 4 by the same amounts and in the same direction, which means that the arrangement can be carried out in one plane.

If spatial angular configurations are required, the edge piece 2 can be adjusted in a different direction or in advance or lagging to the edge piece 3 .

In order to enable the rotary movement and to hold the parts together, the middle section 4 has collars 5 on both ends, while the edge sections 2, 3 are each formed from two half shells of identical shape with flange edges 6 engaging behind the collars 5 .

The half-shells can be seen particularly clearly from FIG. 2. The half-shells are held together by a fastening means 7 , for example a screw, running at right angles to their plane of division.

If the half-shells are identical, only one half-shell is provided with a threaded bore 8 and the other with a continuous stepped bore 9 during manufacture, so that a cap screw can be inserted into the bore 9 , which is screwed into the threaded bore 8 .

The initial press part is for both halves shell identical.

The half-shells of the edge pieces 2, 3 have pockets 10 formed on the inside and open towards their parting plane. In these pockets, retaining projections 11 of a holder 12 , which extends diametrically through the full shell formed from two half-shells, are inserted, specifically when the two half-shells are pushed together.

As a result, the bracket 12 is securely fixed. The bracket 12 has an adjustable and lockable pivot bearing 13 for lining pipe holding means 14 in the middle.

An internal polygonal screw 15 is provided for the determination or adjustment.

The casing tube holding means 14 are each formed by a U-shaped bracket, as can be seen particularly clearly from FIG. 1.

The legs of this bracket are arranged so as to protrude axially outwards from the end face of the edge piece 2 or 3 and carry clamping parts 17 which can be expanded by screws 16 on the legs. This arrangement enables a fixed connection of the casing pipes 1 , which are pushed over the legs of the part 14 and tightened by means of the screw and by means of the clamping parts 17 , and in addition any radial rotation of the casing pipe 1 around the pivot bearing 13 in the desired position is possible which position is fixed by tightening the Allen screw 15 . In order to fix the relative rotational position of the edge pieces 2 and 3 to the central section 4, the bearing forming parts, namely the collar 5 and the flange space 6 by externally accessible setscrews 18 are in the range in threaded holes in the edge pieces 2 and 3 are arranged. As soon as the correct position is set, these grub screws 18 are tightened, as a result of which the edge pieces 2 and 3 are prevented from rotating relative to the central section 4 .

Claims (2)

1. Device for connecting a longitudinally slotted cladding tubes for busbars or fluorescent tubes, the facing ends of the cladding tubes ( 1 ) being connected by means of a connecting piece ( 2, 3, 4 ) of approximately the same outer contour, which consists of edge pieces ( 2, 3 ) exists, which are rotatably supported relative to each other about their respective center, whose mutually facing end faces lie in a plane running perpendicular to the longitudinal axis and whose facing end faces form an oblique angle with the other end face, the connecting piece between the two edge pieces ( 2, 3 ) has a further, middle section ( 4 ), the two end faces of which form an angle with one another which is twice as large as the oblique angle of the end faces of the edge pieces ( 2, 3 ), this middle section ( 4 ) also being shown in is symmetrical with respect to its central plane, characterized,

• a) that the middle section ( 4 ) on both sides has a collar ( 5 ), the edge pieces ( 2, 3 ) of mutually identical, mutually complementary to a longitudinally divided piece of pipe half shells with the collar ( 5 ) engaging flange edges ( 6 ) are and these half-shells are held together by fastening means (e.g. 7 ) running perpendicular to their division plane,
• b) that the half-shells formed on the inside, open to the parting plane pockets ( 10 ), engage in the retaining projections ( 11 ) of a bracket ( 12 ) extending diametrically through the full shell formed, which bracket ( 12 ) has an adjustable and lockable pivot bearing ( 13 ) for lining pipe holding means ( 14 );
• c) that the covering tube holding means ( 14 ) are formed by a U-shaped bracket, the legs of which protrude axially outward from the end face of the edge piece ( 2 or 3 ) and carry clamping parts ( 17 ) which can be spread apart from the legs.

2. Device according to claim 1, characterized in that the rotary bearing between the wheel pieces ( 2 or 3 ) and the central section ( 4 ) by means of a wheel piece ( 2 or 3 ) near the connection point penetrating screw ( 18 ) can be blocked.