Fastener Arrangement

Abstract

A fastener arrangement with a fastener designed for fastening to a substrate by means of an adhesive agent, and with an object having an object mount, whereby the object mount can be fixed to the fastener fastened to the substrate. The fastener has a reinforcement part composed of a metallic material, the side wall elements of which are mounted between a retaining ring and edge segments of a holder. The side wall elements of the reinforcement part are designed for fixing the object mount. The fastener has a press-on element bounding an adhesive reservoir, wherein adhesive agent can be guided out of the adhesive reservoir through openings in the reinforcement part and in the holder by a displacement of the press-on element in the axial direction, such that the adhesive agent fixes the fastener to the substrate.

Claims

1. A fastener arrangement (1) with a fastener (2) which is designed for fastening to a substrate by means of an adhesive, and with an object (4) having an object mount (3), wherein the object mount (3) can be fixed to the fastener (2) fastened to the substrate, characterized in that the fastener (2) has a reinforcement part (11) composed of a metallic material, the side wall elements (19) of which are mounted between a retaining ring (10) and edge segments (9b) of a holder (9), wherein the side wall elements (19) of the reinforcement part (11) are designed for fixing the object mount (3), and that the fastener (2) has a press-on element (8) bounding an adhesive reservoir (20), wherein adhesive agent can be guided out of the adhesive reservoir (20) through openings in the reinforcement part (11) and in the holder (9) by a displacement of the press-on element (8) in the axial direction, such that the adhesive agent fixes the fastener (2) to the substrate.

2. The fastener arrangement (1) according to claim 1, characterized in that the reinforcement part (11) is composed of steel, and/or that the retaining ring (10), the holder (9) and the press-on element (8) are composed of plastic.

3. The fastener arrangement (1) according to claim 1, characterized in that the holder (9) has a circular-disc shaped base body (9a) with openings, the outer side of which forms a placement surface for placement on the substrate.

4. The fastener arrangement (1) according to claim 3, characterized in that the reinforcement part (11) has a flat body (11a) with openings lying upon the back side of the holder (9), wherein the side wall elements (19) open out on opposite edges of the flat body (11a), the edge regions of which side wall elements (19) form contact surfaces for placement on the object mount (3).

5. The fastener arrangement (1) according to claim 3, characterized in that the holder (9) has two edge segments (9b) opposite one another projecting from the base body (9a), wherein the side wall elements (19) of the reinforcement part (11) are mounted in gaps between the edge segments (9b), wherein the edge regions of the side wall elements (19) forming the contact surfaces project outward beyond the edge segments (9b) of the holder (9).

6. The fastener arrangement (1) according to claim 4, characterized in that the outer sides of the side wall elements (19) of the reinforcement part (11) form sloping surfaces, wherein a setscrew (7) mounted in the object mount (3) is guided against one of the sloping surfaces for fixing the object mount (3) to the fastener (2).

7. The fastener arrangement (1) according to claim 1, characterized in that the object mount (3) is in the shape of a hollow cylinder open at one end, wherein the fastener (2) can be inserted into the object mount (3) through the open end.

8. The fastener arrangement (1) according to claim 7, characterized in that the contact surfaces of the reinforcement part (11) abut the inner side of the side wall of the hollow-cylindrical object mount (3).

9. The fastener arrangement (1) according to claim 5, characterized in that the retaining ring (10) is mounted secure against rotation on the edge segments (9b) of the holder (9), wherein protrusions (17) open out, especially at the inner sides of the edge segments (9b), said protrusions engaging in the cavities (15) of the retaining ring (10).

10. The fastener arrangement (1) according to claim 1, characterized in that the press-on element (8), in a locked position, is positionally fixed on the retaining ring (10) and adjoins the adhesive reservoir (20).

11. The fastener arrangement (1) according to claim 10, characterized in that recesses (14) are provided on the inner wall of the retaining ring (10), wherein in the locked position of the press-on element (8), latching lips (13) projecting outward on its outer lateral surface engage in the recesses (14) of the retaining ring, and that in the locked position, the press-on element (8) projects over the edge of the retaining ring (10) facing away from the holder (9).

12. The fastener arrangement (1) according to claim 3, characterized in that an adhesive strip (21) is provided on the edge of the outer side of the holder (9), wherein a pre-fixing of the fastener (2) to the substrate can be carried out by means of the adhesive strip (21).

13. The fastener arrangement (1) according to claim 10, characterized in that the press-on element (8) has a filling opening (23) through which adhesive agent can be supplied to the adhesive reservoir (20) when the press-on element (8) is in the locked position.

14. The fastener arrangement (1) according to claim 13, characterized in that adhesive agent stored in a tube (24) can be supplied to the adhesive reservoir (20) through the filling opening (23).

15. The fastener arrangement (1) according to claim 14, characterized in that the filling opening (23) has a thread onto which a threaded head (25) of the tube (24) can be screwed, wherein adhesive agent can be supplied to the adhesive reservoir (20) when the tube (24) is screwed onto the filling opening (23).

16. The fastener arrangement (1) according to claim 14, characterized in that a piercing point (26) is provided on the exposed top of the press-on element (8), onto which a membrane of the tube (24) sealing a tube opening can be pushed.

17. The fastener arrangement (1) according to claim 13, characterized in that after adhesive agent has been supplied to the adhesive reservoir (20) through the filling opening (23), the press-on element (8) can be rotated out of the locked position into an actuation position, wherein the press-on element (8) can be pressed against the holder (9) in the actuation position, such that the adhesive is guided out of the adhesive reservoir (20) through the openings in the holder (9) and forms an adhesive layer that fixes the fastener (2) to the substrate.

18. The fastener arrangement (1) according to claim 17, characterized in that the press-on element (8) can be pressed in the direction of the base body (9a) of the holder (9) until the face of the press-on element (8) facing away from the holder (9) closes flush with the edge of the retaining ring (10).

19. The fastener arrangement (1) according to claim 17, characterized in that crosspieces (16) delimiting openings of the holder (9) and crosspieces (18) delimiting openings of the reinforcement part (11) lie within the adhesive layer and form a reinforcement therefor.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

[0059] The invention is explained in the following based on the drawings. They show:

[0060] FIG. 1: Perspective view of a first embodiment of the fastener arrangement according to the invention.

[0061] FIG. 2: Cross-sectional view of the fastener arrangement according to FIG. 1.

[0062] FIG. 3: Cross-sectional view of the fastener arrangement according to FIG. 1 in the assembled state.

[0063] FIG. 4: Fastener of the fastening arrangement according to FIGS. 1 to 3 fastened to a wall.

[0064] FIG. 5: Detail drawing of a press-on element according to FIGS. 1 to 3.

[0065] FIG. 6: Detail drawing of a holder according to FIGS. 1 to 3.

[0066] FIG. 7: Detail drawing of a retaining ring according to FIGS. 1 to 3.

[0067] FIG. 8: Detail drawing of a reinforcement part according to FIGS. 1 to 3.

[0068] FIG. 9: Pre-assembled unit composed of the holder, the retaining ring and the reinforcement part according to FIGS. 6 to 8.

[0069] FIG. 10A: Second embodiment of the fastener arrangement according to the invention in a perspective view;

[0070] FIG. 10B: Second embodiment in a top view;

[0071] FIG. 10C: Second embodiment in a cross-sectional view in the plane G-G of FIG. 10B;

[0072] FIG. 10D: Second embodiment in a cross-sectional view in the plane F-F of FIG. 10B.

[0073] FIG. 11A: Fastener with a tube mounted upon it in a perspective view;

[0074] FIG. 11B: Fastener with a tube mounted upon it in a cross-sectional view.

[0075] FIG. 12: Arrangement according to FIG. 11B with actuated actuator.

[0076] FIG. 13: Variant of the embodiment according to FIGS. 10A, 10B.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0077] FIGS. 1 to 3 show a first exemplary embodiment of the fastener arrangement 1 according to the invention. The fastener arrangement 1 is composed of a fastener 2 as well as an object mount 3, on which an object 4, in the present case, a hand towel rack, is mounted.

[0078] In FIGS. 1 to 3, the object mount 3 is shown above the fastener 2. This arrangement serves as the reference for the words “above” and “below” used in the following.

[0079] The fastener 2 can generally be fixed to a substrate. FIG. 4 shows the fastener 2 fixed to a substrate formed by a wall 5, especially of a bathroom, wherein the wall 5, of course, contrary to the depiction in FIG. 4, runs in a vertical plane.

[0080] The object mount 3 is composed of a flat hollow-cylindrical body that is open on its bottom. The object 4, i.e. the hand towel rack, is fastened to the closed top side of the object mount 3 by means of a screw 6.

[0081] As FIG. 3 shows, the object mount 3 can be placed upon the fastener 2. A setscrew 7 is mounted on a side wall of the object mount 3 for fixing to the fastener 2.

[0082] The fastener 2 has an essentially cylindrical outer contour and is, like the object mount 3, designed with rotational symmetry to an axis of rotation running in the axial direction of the object holder 3 or of the fastener 2.

[0083] In terms of individual components, the fastener 2 has a press-on element 8 (shown individually in FIG. 5), a holder 9 (shown individually in FIG. 6), a retaining ring 10 (shown individually in FIG. 7) and a reinforcement part 11 (shown individually in FIG. 8). FIG. 9 shows the retaining ring 10, the reinforcement part 11 and the holder 9 as a preassembled unit.

[0084] The reinforcement part 11 is composed of steel. The press-on element 8, the retaining ring 10 and the holder 9 are composed of plastic.

[0085] As shown in FIG. 5, the press-on element 8 is designed in the form of a flat circular-cylindrical solid body. There is an indentation 12 on the top of the press-on element 8 into which the screw 6 of the object mount 3 projects when the fastener arrangement 1 is assembled.

[0086] Latching lips 13 open out at opposite regions of the upper edge of the press-on element 8. The two latching lips 13 are identically formed and project outward from the lateral surface of the press-on element 8.

[0087] On the upper edge of its inner side, the circular retaining ring 10 has two recesses 14 arranged opposite one another and adapted to the shape and size of the latching lips 13, such that once a press-on element 8 is inserted in the retaining ring 10, the latching lips 13 can be held in the recesses 14 (FIG. 7).

[0088] The retaining ring 10 has cavities 15 on its outer lateral surface.

[0089] The holder 9 has a circular-disc shaped base body 9a having a structure of openings which are delimited by crosspieces 16 (FIG. 6).

[0090] Two identically formed edge segments 9b arranged opposite one another project from the base body 9a of the holder 9. Protrusions 17 project from the inner sides of the edge segments 9b, which protrusions 17 are adapted to the contours of the cavities 15 of the retaining ring 10.

[0091] The reinforcement part 11 made of steel has a flat body 11a with a structure of openings which are delimited by crosspieces 18 (FIG. 8). Side wall elements 19 open out on opposite edges of the flat body 11a, the outer sides of said elements forming sloping surfaces inclined toward the flat body 11a.

[0092] FIG. 8 shows a preassembled unit of the fastener 2 in which the retaining ring 10 is fixed to the holder 9 and the reinforcement part 11 is held between retaining ring 10 and holder 9.

[0093] The flat body 11a of the reinforcement part 11 then lies upon the base body 9a of the holder 9, wherein the crosspieces 16 of the holder 9 and the crosspieces 18 of the flat body 11a form a crossed arrangement, such that openings remain between them.

[0094] The side wall elements 19 of the reinforcement part 11 are mounted with minimal play in gaps between the edge segments 9b of the holder 9 such that their edge regions project outward beyond the holder 9. These projecting edge regions of the reinforcement part 11 form contact surfaces that abut the inner side of the object mount 3 when it is positioned on the fastener 2.

[0095] The retaining ring 10, with its recesses 14, is latched in with the protrusions 17 provided on the inner sides of the edge segments 9b of the holder 9, by which the retaining ring 10 is fixed on the holder 9 so to be secured against rotation and the reinforcement part 11 is positionally fixed.

[0096] Adhesive agent is filled into this preassembled unit and the press-on element 8 is fixed in a locked position at the retaining ring 10, such that an adhesive reservoir 20 results below the retaining ring 10 (FIG. 2). In the present case, the adhesive agent is in the form of an air-curing industrial adhesive.

[0097] In the locked position, the latching lips 13 of the press-on element 8 lie in the recesses 14 of the retaining ring 10, such that the press-on element 8 is positionally secured and especially cannot be pressed downward against the adhesive reservoir 20. In this locked position, the press-on element 8 projects upward above the retaining ring 10 (FIGS. 1 and 2). The fastener 2 is thus completely assembled.

[0098] In the locked position, the adhesive reservoir 20 is securely mounted. The fastener 2 thus can be stored in a vacuum-sealed package. The bottom of the holder 9 then is advantageously sealed with an adhesive foil or the like.

[0099] To fasten the fastener 2 to the substrate, the wall 5 in the present case, the fastener 2 is first pressed against the wall 5 and is pre-fixed there with an adhesive strip 21 provided on the outer edge of the bottom of the holder 9.

[0100] An operating person then rotates the press-on element 8 from the locked position into an actuation position. The operating person therefore grasps the part of the press-on element 8 projecting above the retaining ring 10 and rotates the retaining ring 10 about the axis of rotation, preferably by 90°. The latching lips 13 of the press-on element 8 then release from the recesses 14 of the retaining ring 10.

[0101] In the actuation position, the press-on element 8 then can be pressed downward against the holder 9 by the operating person until the top of the press-on element 8 closes flush with the top of the retaining ring 10 (FIGS. 3 and 4). The adhesive agent is thereby pressed downward out of the adhesive reservoir 20 and pressed through the openings of the reinforcement part 11 and the holder 9, and forms an adhesive layer 22 on the wall 5 (FIG. 4).

[0102] After the adhesive layer 22 cures, the fastener 2 is fixed to the wall 5. The crosspieces 16, 18 of the reinforcement part 11 and the holder 9 lying in the adhesive layer 22 form a reinforcement that stabilizes the adhesive layer 22.

[0103] The object mount 3 is placed on the fastener 2, now fixed to the wall 5, and is fixed by means of the setscrew 7, in that the setscrew 7 presses against the sloped surface of a side wall element 19 of the reinforcement part 11 (FIG. 3). Moreover, the contact surfaces of the side wall elements 19 abut the inner side of the object mount 3.

[0104] FIGS. 10A, 10B, 11A, 11B and 12 show a second exemplary embodiment of a fastener 2 of a fastener arrangement 1 as shown in FIG. 1.

[0105] Corresponding to the first embodiment, the fastener 2 of the second exemplary embodiment also has a reinforcement part 11, a retaining ring 10, a press-on element 8 and a holder 9.

[0106] The difference compared to the first embodiment is that the press-on element 8 of the second exemplary embodiment has a filling opening 23 which opens out on the top of the press-on element 8, continues through said press-on element 8 in the axial direction and opens out in the adhesive reservoir 20 of the fastener 2.

[0107] Different than in the first embodiment, the adhesive agent is not pre-stored in the adhesive reservoir 20. Rather, the adhesive agent is stored separately in a tube 24, the outlet opening of which is sealed with a membrane such that the adhesive agent is stored gas-tight in the tube 24.

[0108] The fastener 2 (without adhesive agent) and the tube 24 with the adhesive agent therefore form separate, transportable sales units.

[0109] FIGS. 10A, 10B show the fastener 2 with the press-on element 8 in the locked position, in which the press-on element 8 projects over the upper edge of the holder 9.

[0110] The fastener 2, as shown in FIGS. 10A to 10D, can be pre-fixed to a substrate by means of the adhesive strip 21.

[0111] The adhesive reservoir 20 of the fastener 2 is then still empty, i.e., no adhesive agent is yet present there.

[0112] To fill the adhesive reservoir 20 with adhesive agent, the tube 24 is fastened to the filling opening 23 of the press-on element 8 (FIGS. 11A, 11B). As shown there, the tube 24 has a threaded head 25, the front end of which is sealed with the membrane.

[0113] First the membrane of the tube 24 is pierced open on a piercing point 26 of the press-on element 8 of the fastener 2. The threaded head 25 is then screwed into the filling opening 23, wherein the filling opening has a corresponding thread to the external thread of the threaded head 25.

[0114] Adhesive agent can then be filled into the adhesive reservoir from the tube 24 by pressing against the tube 24.

[0115] The press-on element 8 is then rotated to an actuation position and the press-on element 8 is then pressed downward against the substrate (FIG. 12), by which the adhesive agent comes into contact with the substrate and forms an adhesive layer 22, which after curing fixes the fastener 2 to the substrate. After the press-on element 8 is pressed, the tube 24 can be removed.

[0116] FIG. 13 shows a variant of the embodiment of FIGS. 10A, 10B. There, two protrusions 17 arranged opposite one another of the holder 9 are replaced by wedge-shaped protrusions 17a which engage in correspondingly formed wedge-shaped cavities 15a of the retaining ring 10, by which the hold between retaining ring 10 and holder 9 is improved.

[0117] Otherwise, the exemplary embodiment according to FIG. 13 corresponds to the embodiment of FIGS. 10A, 10B.

LIST OF REFERENCE NUMERALS

[0118] (1) fastener arrangement [0119] (2) fastener [0120] (3) object mount [0121] (4) object [0122] (5) wall [0123] (6) screw [0124] (7) setscrew [0125] (8) press-on element [0126] (9) holder [0127] (9a) base body [0128] (9b) edge segment [0129] (10) retaining ring [0130] (11) reinforcement part [0131] (11a) flat body [0132] (12) indentation [0133] (13) latching lips [0134] (14) recess [0135] (15) cavity [0136] (15a) wedge-shaped cavity [0137] (16) crosspiece [0138] (17) protrusion [0139] (17a) wedge-shaped protrusion [0140] (18) crosspiece [0141] (19) side wall element [0142] (20) adhesive reservoir [0143] (21) adhesive strip [0144] (22) adhesive layer [0145] (23) filling opening [0146] (24) tube [0147] (25) threaded head [0148] (26) piercing point