Joints and connections – Interconnected flanges or shoulders – Axially bolted or riveted
Patent
1996-08-21
1998-07-07
Kim, Harry C.
Joints and connections
Interconnected flanges or shoulders
Axially bolted or riveted
403370, 403258, F16B 214
Patent
active
057758310
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
The invention relates to a component assembly for a connection of two components by a conical clamping system which reduces play between individual components.
A generic example of the state of the art in the form of a flanged connection is known from Mulllenberg U.S. Pat. No. 4,279,530. In a flanged connection, access to the conical clamping sleeves that produce the connection is easily possible from the two ends of the sleeves. Consequently, means for releasing the known conical clamping sleeve, which are necessary when the conical clamping sleeve has self-locking angled members, can also be used easily. It is only disclosed that such additional means are necessary for release; no further details are given about them. A connected component assembly having a conical clamping pin is also known from DE 1,750,905 having a conical clamping pin that extends into a blind bore of one component, the bottom of which contains a thread. However, no separate clamping screw is present through which a through hole of the inner pin part extends; rather the actual inner pin part, which extends into the threaded bore, must be rotated. The clamping can no longer be released with self-locking conical angled numbers.
SUMMARY OF THE INVENTION
It is the object of the invention to configure a component assembly of this type such that it can be clamped and released when it must be inserted into a blind bore of the first component, that is, when access to the conical clamping sleeve from the end located opposite the clamping side is not possible.
This object is accomplished by a component assembly which reduces play between the individual components of the assembly by a conical clamping system.
The circumferential projection on the outer sleeve and the threaded bore in the bottom of the blind bore interact during clamping or releasing in order to provide axial support for the sleeve parts or to act on them. In both processes, therefore, a controlled force to effect release or clamping is possible.
In a preffered embodiment, no external forces are needed, that is, the threaded bore in the bottom of the blind bore is not necessary during clamping. During release, however, the release bolt is screwed into this threaded bore and presses the inner sleeve part into the blind bore, while the outer sleeve part is held securely by the circumferential projection. The sleeve parts are thus separated from one another.
So that the inner sleeve part need not project axially beyond the circumferential projection, it is advisable to provide an auxiliary ring by means of which the force of the release bolt can be transmitted into the interior of the outer sleeve part.
In another instance, the situation is reversed: during clamping, the clamping bolt is screwed into the threaded bore in the bottom of the blind bore, while the parts are separated by the bolt arrangement during release without necessitating external forces.
In a first variation, the bolt arrangement can be configured wherein the bolt arrangement includes an inner thread and a releasing bolt that extends into it. Further, the bolt arrangement may utilize an auxiliary ring. Another variation is wherein the inner sleeve continues axially outside of the circumferential projection of the outer sleeve, and the bolt arrangement includes an outer thread attached at that point and having a nut supported axially from the outside against the circumferential projection.
Another embodiment permits the two components to be pulled toward one another in the axial direction by means of screwing in the outer sleeve part. After axial clamping has been effected, the conical clamping sleeve is actuated, which makes the connection free of radial play, and the components are held securely against one another in this direction without play.
It is advisable to provide a protective cap in order to protect against corrosion.
BRIEF DESCRIPTION OF THE DRAWINGS
The drawings illustrate embodiments of the invention in longitudinal sections through the axes.
FIG. 1 shows a first e
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