Sealing assembly, flat gasket for a sealing assembly and method for mounting a sealing assembly

Abstract

A sealing assembly includes a first component having a first sealing surface, a second component having a second sealing surface and a flat gasket arranged in the space between the first sealing surface and the second sealing surface, wherein the gasket has a through-opening for a third component arranged at least partially in the first component and/or the second component and at least engaging in the through-opening. The flat gasket has retaining means for securing the third component, the retaining means releasing the third component in a release position of said flat gasket and fixing said third component in at least one direction with respect to the first component and/or the second component in a retaining position of the gasket.

Claims

1. A sealing assembly, comprising: a first component having a first sealing surface; a second component having a second sealing surface; a flat gasket arranged flat between the first sealing surface and the second sealing surface and having a through opening; a third component, at least regions of the third component being arranged in the first component and/or in the second component, said third component at least engaging in the through-opening of the flat gasket, wherein in a release position of the flat gasket the third component is movable relative to the first and second component and in a retaining position of the flat gasket at least a portion of a rim of the through opening engages in a retaining notch of the third component thereby fixing the third component relative to the first component and/or the second component at least in one direction, wherein in the release position the at least one portion of said rim does not engage in the retaining notch of the third component, wherein the flat gasket is movable from the release position into the retaining position by shifting on the first sealing surface or the second sealing surface; and fastening elements for fastening the flat gasket on the first component and/or the second component, wherein in the release position the flat gasket is displaceable relative to the first component, and/or the second component in the at least one direction and is fixed in the retaining position.

2. The sealing assembly of claim 1, further comprising a sealing element provided on the first component, the second component or the third component, said sealing element protruding into a receiving opening of the first component and/or the second component and sealingly rests against an inner circumference surface of the receiving opening.

3. The sealing assembly of claim 2, wherein the sealing element is constructed as a sealing plug.

4. The sealing assembly of claim 3, wherein the third component has a retaining notch into which the retaining means engage in the retaining position so that the third component is fixed.

5. The sealing assembly of claim 4, wherein the retaining notch is provided on the sealing element of the third component.

6. The sealing assembly of claim 1, wherein the retaining means delimit a least regions of the through-opening in the form of a retaining rim.

7. The sealing assembly of claim 1, wherein the through-opening has a closed rim.

8. The sealing assembly of claim 1, wherein the fastening means have at least one retaining protrusion and a retaining receptacle, which in the retaining position interacts with the retaining protrusion for fixing the flat gasket.

9. The sealing assembly of claim 1, wherein the retaining protrusion is present on the first component or the second component and the retaining receptacle is present on the flat gasket.

10. A flat gasket for a sealing assembly, for flat arrangement between a first sealing surface of a first component of a sealing assembly and a second sealing surface of a second component of the sealing assembly, said flat gasket having a through-opening for a third component of the sealing assembly at least regions of which are arranged in the first component and/or the second component and which at least engages in the through-opening, wherein in a release position of the flat gasket the third component is movable relative to the first and second component and in a retaining position of the flat gasket at least a portion of a rim of the through-opening engages in a retaining notch of the third component thereby fixing the third component relative to the first component and/or the second component at least in one direction, wherein in the release position of the at least one portion of said rim does not engage in the retaining notch of the third component.

11. A method for assembling a sealing assembly, said sealing assembly comprising a first component having a first sealing surface; a second component having a second sealing surface, a flat gasket arranged flat between the first sealing surface and the second sealing surface, a third component, at least regions of the third component being arranged in the first component and/or in the second component, said third component at least engaging in a through-opening of the second component, and fastening elements for fastening the flat gasket on the first component and/or the second component, said method comprising: during assembly of the sealing arrangement, displacing the flat gasket from a release position into a retaining position by shifting the flat gasket on the first sealing surface or the second sealing surface, wherein in the release position the flat gasket is displaceable relative to the first component, and/or the second component in the at least one direction and is fixed in the retaining position, wherein in the release position of the flat gasket the third component is movable relative to the first and second component and in a retaining position of the flat gasket at least a portion of a rim of the through-opening engages in a retaining notch of the third component thereby fixing the third component relative to the first component and/or the second component at least in one direction, wherein in the release position of the at least one portion of said rim does not engage in the retaining notch of the third component.

Description

BRIEF DESCRIPTION OF THE DRAWING

(1) In the following the invention is explained in more detail by way of exemplary embodiments shown in the drawing, without limiting the invention. Hereby it is shown in:

(2) FIG. 1 a sectional view of a sealing assembly with a first component, a second component and a flat gasket arranged between the first and second component,

(3) FIG. 2 a detail view of a region of the sealing assembly,

(4) FIG. 3 a detail view of a region of the sealing assembly after a first mounting step, and

(5) FIG. 4 the region of the sealing assembly after a second mounting step.

DETAILED DESCRIPTION OF PREFERRED EMBODIMENTS

(6) FIG. 1 shows a sealing assembly 1 with a first component 2 and a second component 3. The first component 2 has a first sealing surface 4, while a second sealing surface 5 is provided on the second component 3. For example the components 2 and 3 are part of a transmission housing or the like. Between the components 2 and 3 a flat gasket 6 is provided, which respectively rests flat against the sealing surfaces 4 and 5. Correspondingly the components 2 and 3 are sealingly fastened to each other.

(7) Beside the components 2 and 3 a third component 7 is provided which is in particular present in the form of a line or pipe. A base body 8 of the third component 7 is insofar a tube. The third component 7 engages through the first component 2 and a through-opening 9 of the flat gasket 6. In the here shown exemplary embodiment the third component 7 protrudes into the second component 3, in particular into a receiving opening 10. Hereby the third component 7, in particular a sealing plug 11 of the third component 7, sealingly rests against an inner circumferential surface 12 of the receiving opening 10. For this purpose preferably a sealing 13 is provided which is for example configured as an O-ring, which is inserted in a here not shown recess of the sealing plug 11.

(8) It can be seen that the third component 7, i.e., here the sealing plug 11, has a retaining notch 14 into which a region of the flat gasket 6 engages. This region is a part of the rim of the through-opening 9, which insofar is referred to as retaining rim 15. Due to the engagement of the retaining rim 156 into the retaining notch 14 the third component 7 is fixed at least in axial direction—relative to its longitudinal center axis 16. However, this is only the case in a retaining position of the flat gasket 6. In a release position of the flat gasket 6 on the other hand the third component 7 is released so that it can also for example be removed from the components 2 and 3, in particular from the receiving opening 10.

(9) FIG. 2 shows a detail view of a region of the through-opening 1. It can again be seen that the retaining rim 15 and insofar the region of the flat gasket 6 engages in the retaining notch 14 of the third component so that the latter is held in axial direction relative to the longitudinal center axis 16 relative to the components 2 and 3 because the flat gasket 6 is clampingly arranged between the components 2 and 3. A displacement of the third component 7 in the direction of the double arrow 17 is thus no longer possible. The sealing plug 1 is preferably fastened force-fittingly and/or materially bonding in the base body 8 so that the base body cannot easily move out of the sealing plug 11.

(10) FIG. 3 shows a region of the sealing assembly 1 after a first mounting step. Hereby the flat gasket 6 is placed on the here not visible first sealing surface 4 of the first component 2. In addition the third component 7, which has the base body 8, the sealing plug 11 and the gasket 13, is already arranged in the through-opening 9. The flat gasket 6 hereby is in its release position so that the third component 7 can easily be displaced in axial direction relative to the longitudinal center axis 16. In the present exemplary embodiment two components 7 are provided. It can also be recognized that fastening means 18 are provided. These serve in particular for fastening the third component 7 relative to the flat gasket 6. In addition or alternatively the fastening means 18 can also serve for fastening the flat gasket 6 in the first component 2. At least regions of the fastening means 18 can, as shown here, be formed by the third component 7. Alternatively they can however also be configured separate from the third component. The fastening means 18 for example consist of a retaining protrusion 19 and a retaining receptacle 20, wherein the former is present on the first component 2 and the latter in the flat gasket. The retaining protrusion 19 has hereby preferably a holding head 21 and a here not visible retaining body. Preferably multiple of these fastening means 18 are provided in order to achieve a reliable fastening of the flat gasket 6, in particular on the third component 7 and/or on the first component 2. The retaining receptacle 20 consists of a region 22 having a greater diameter and a region 23 having a smaller diameter. The diameter of the regions 22 and 23 are configured so that in the here not shown release position the holding head 21 can be introduced though the region 23 into the retaining receptacle 20.

(11) In the here shown embodiment the retaining protrusion 19 is preferably formed by the third component 7, while the retaining receptacle 20 for example corresponds to the though-opening 9.

(12) In the following the flat gasket 6 is displaced in the direction of its retaining position. The retaining position is shown in FIG. 4, which also shows the already known detail view of the sealing assembly 1. It can be seen that now on one hand the retaining protrusion 19 is present in the region 23 of the retaining receptacle 20, which has a smaller diameter than the retaining head 21. Correspondingly the flat gasket 6 is fixed at least in axial direction relative to the longitudinal center axis 16. Because in the retaining position the retaining rim 15 also engages in the retaining notch 14 the third component 7 is also fastened relative to the second component 2 when the flat gasket 6 is fastened relative to the first component 2. Correspondingly the here shown embodiment of the flat gasket 6 enables a simple and fast mounting of the sealing assembly 1.

(13) After bringing the flat gasket 6 into the retaining position the second component 3 now only has to be fastened on the first component 2 so that the flat gasket 6 is received between the sealing surfaces 4 and 5 and sealingly rests against the sealing surfaces 4 and 5. Preferably the second component 3 is hereby fastened on the first component 2 so that the flat gasket 6 is clampingly held between the first and second components. In addition also a form-fitting retaining can be provided for example by means of a further retaining protrusion 19 which extends from the second component 3 and after fastening of the components 2 and 3 to each other prevents a displacement of the flat gasket 6 from the retaining position. Because the flat gasket 6 is also fixed in the retaining position, the third component 7 is securely held relative to the components 2 and 3.