• 专利附录
  • 专利说明
  • 权利要求
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    • 专利摘要:

    公开号:AT12265U1
    申请号:T0049909U
    申请日:2009-08-11
    公开日:2012-02-15
    发明作者:Henning Ernst
    申请人:Wuerth Int Ag；
    IPC主号:
    专利说明:

    Austrian Patent Office AT 12265 U1 2012-02-15
    description
    ARRANGEMENT FOR CONNECTING WOOD COMPONENTS
    The invention relates to an arrangement for connecting wood components using shims and screws.
    For connecting wood components, such as wooden beams or the like in the longitudinal direction, it has been customary to connect the wood components, for example, characterized in that metal strips are punched on both sides of the beams attached. In this case, either carriage bolts are used, which go from the metal strip on one side through the beam to the metal strip on the other side and secured there with a nut, or the metal strips are screwed with wood screws. In both cases, a stress of the screws takes place transversely to the longitudinal axis, ie on shear of the screw shaft. Also known is the attachment with nails. Even then, the stress on the connecting elements takes place transversely to the longitudinal axis, that is to shear. In this direction, however, pin-shaped connecting elements can only load less than in the pulling direction.
    Now there is also the possibility that these metal strips have obliquely drilled holes so that wood screws can be screwed at an angle. This leads to the fact that the screws are predominantly stressed on train. In order for the stress to actually be applied to tension, it must be ensured that the screw heads lie flat against each other. Therefore, it is necessary to make a seat for the bottom of the screw heads, whether they are countersunk screws or screws with a flat bottom of the screw head. Such depressions can not usually produce on the site itself, but must be factory-fitted.
    Also known are dowels of special design.
    The invention is based on the object to provide a way to connect wood components, which can be realized with simple means, so that they can be produced on the site or with simple machines.
    To solve this problem, the invention proposes a connection arrangement for wood components, having the features mentioned in claim 1. The invention also proposes the use of a shim for joining wooden elements and metal elements. Further developments of the invention are the subject of the dependent claims.
    By means of the shim it is possible to provide metal elements with normal holes whose axis is perpendicular to the surface of the metal element. In such a hole, then, this subleil is used with its engagement lug, which rests against the edge of the hole, for example along the entire circumference. The screw is screwed through the passage in the wood or a nail hammered through the passage in the wood, so that in the fastened state, the screw or the nail is mainly claimed to train. The head of the fastener is applied to the contact surface of the shim. The engagement lug then transmits forces that arise to the edge of the hole in the metal element so that the forces occurring in the connection of beams in the longitudinal direction are transferred in a favorable manner to the pin-shaped connecting means. In the following, the term of the screw is often used, although nails are to be understood by it.
    The holes in the metal element can be drilled with the simplest means, since they are perpendicular to the surface and a drill is available everywhere. The shims are simple components that require little space and are provided in a similar manner as the screws on stock. The diameter of the passage through the shim corresponds to the nominal diameter of the associated screw.
    Unterlegelemente can be made for a variety of types of screw heads out, for example, for screws with a flat bottom on the screw head, so that the shim at the top end of the passage a has flat contact surface for the underside of the screw head.
    It is also possible to give the conical countersunk screws, the top end of the passage a conically countersunk end face.
    The mentioned contact surface on the underside of the shim is intended to rest on the surface of the metallic element or lie. Since metal strips or metal sheets are usually used as metallic elements, it makes sense to form the contact surface flat. In special cases, it may also be possible to give this contact surface a different surface shape.
    The engagement lug is intended, as already mentioned, to be inserted into a hole of the metallic element. It therefore makes sense that the underside of the engagement lug is also in a plane, since the metal strips or metal sheets usually have a constant thickness.
    While at factory set at an acute angle predrilled and countersunk metal strip the orientation and the angle of the hole, it is possible using the proposed by the invention shim, vorzuhalten shims for different angles, such as shims, in which the angle of the passage with the flat contact surface is 15 °, or 30 °, up to angles of 80 °.
    Moreover, it is possible to align the orientation of the axis of the passage with respect to the pulling direction. This is done by simply rotating the shim about the axis of the engagement lug in the hole of the metal element.
    In a further development of the invention can be provided that the abutment surface of the shim is formed on a disc which may be formed with respect to the passage as a socket or sleeve. For improved possibility of orientation of the axis of the passage can be inventively provided that the disc is oval or otherwise elongated.
    As regards the engagement approach, the invention proposes that this is designed as a circular cylindrical projection. Even if the opening of the passage in the underside of the engagement projection opens out as an oval, the engagement projection can nevertheless be designed as a circular cylinder. He can rest in this case on a circular hole along the entire circumference or edge.
    But it is also possible that the engagement lug has an outer shape which is geometrically similar to the mouth of the opening of the passage in the bottom of the engagement lug, that is also formed as an oval or as a slot. This is especially true when the hole in the metal strip or metal sheets is also formed as a slot. Slots can also be very easily produced by milling machines by first drilled a hole and then the metal element is moved transversely to the axis of the hole relative to a cutter. The formation of the engagement lug with an oval shape also has the advantage that two adjacent shims can be moved closer to each other.
    In a further development of the invention can also be provided that the engagement approach deliberately has a deviating from the circular shape, such as a polygon. This can be enforced in cooperation with polygonal punched holes in the metal sheet a certain orientation of the shim and thus the train to be claimed pin-shaped connection means. This is especially true when the load direction is not in the surface of the metal strip, but perpendicular to this.
    Since the shim is to transmit forces occurring in the longitudinal direction of its contact surface on the metal strip on the longitudinal axis of the screw, and for transmitting the forces in this direction, only the edge of the engagement lug and the wall of the hole in the Austrian Patent Office AT12265U1 2012 -02-15
    Metal strip is available, it makes sense that the engagement lug has an extension perpendicular to the contact surface, which corresponds to the thickness of the metal element.
    If metal strips or metal sheets of different thickness are to be used for the connection of wooden components, it is possible to provide lower elements with engagement lugs of different thicknesses. However, it is also possible and is proposed by the invention that instead uses adapter, which are formed as flat planar metal elements and have a passage whose inner contour corresponds in the sub-element associated with the region of the outer contour of the engagement lug, while the passage opening of the shim member itself continues in the adapter element. Then you can adjust a shim with the help of an adapter element to an increased thickness of the metal strip.
    It is also possible that adapters come to rest only on the side of the engagement approach, where the load occurs. Therefore, an adapter need not have an opening surrounding the engagement lug, but it is sufficient for an adapter to encompass the engagement lug over part of its circumference.
    In a further development of the invention can be provided that the adapter element is radially smaller than the contact surface of the shim, so that the contact surface of the shim may continue to fulfill their task to abut the top of the metal strip.
    As already mentioned, the proposed by the invention shims are to be used to attach to train claimed metal strip on one longitudinal side of a timber component. In this case, the shim is connected to the metal strip in such a way that the engagement lug is inserted into a hole of the metal strip and that the contact surface of the shim member limits the depth of penetration into the metal strip.
    Usually, for the attachment of metal strips which are intended to connect two beams in the longitudinal direction, not only a hole and a shim, but a plurality of holes, a plurality of shims and a plurality of pin-shaped connecting means. It can be provided that not all connecting means have the same orientation with respect to the pulling direction.
    However, it makes sense in a well-defined tensile direction to orient the shims so that the top end of the passage of the shim is oriented in the pulling direction.
    The invention also proposes to use Unterlegelemente to attach metal sheets or metal strips to end grain. When attaching to end grain, the screws must also be arranged at an angle. This then applies not only in the connection of beams in the longitudinal direction, but in general.
    Further features, details and advantages of the invention will become apparent from the claims and abstract, the wording of which is incorporated by reference into the content of the description, the following description of preferred embodiments of the invention and from the drawing. In the drawings: FIG. 4 shows a side view of a shim with an indicated screw; [0029] FIG. a section through a lower element; a perspective view of the shim of Figure 2; the arrangement of a shim when used on a beam; a representation corresponding to Figure 4 with an adapter element; a view of another adapter element from below; a section through the adapter element of Figure 6; Figure 8 shows the attachment of the adapter element of Figures 6 and 7 to a Unterleg element; FIG. 9 is a plan view of a further lower element; 10 shows a cross section through the lower element of Figure 9 along the line X-X in
    Figure 9; Figure 11 shows an arrangement of Unterlegelementen, wooden beams and metal strips.
    The shim member shown in Figure 1 is formed as a one-piece component. It contains a plate 1, which has a flat top 2 and a flat bottom 3, which forms a contact surface. From the bottom 3 of a flat cylindrical engagement lug 4 projects beyond the contact surface 3 down. The lower boundary 5 of the engagement lug 4 lies in a plane which runs parallel to the plane of the underside 3 of the disk 1. From the upper side 2 of the plate 1, a sleeve 6 extends, which occupies an angle of, for example, 45 ° with the upper side 2 of the plate 1. The upper end 7 of the sleeve 6 lies in a plane which is perpendicular to the axis of the sleeve 6. Through the interior of the sleeve 6, a passage 8, see also Figure 2. The passage 8 is cylindrical and is intended to receive the shaft 9 of a screw, the head 10 then comes to rest against the upper boundary 7 of the sleeve 6.
    The engagement lug 4 is surrounded in the circumferential direction on all sides by the contact surface 3 on the underside of the disc 1.
    The embodiment of Figure 1 is intended to receive a screw with a flat bottom 11 of the screw head 10. Therefore, the upper boundary 7 lies in a plane, that is around the passage 8 around a flat annular shoulder is formed.
    In the embodiment of Figure 2, which is a section through a shim according to the invention, in the region of the upper end edge 7 of the sleeve 6 is a lying on a cone bearing surface 12 for the underside of the screw head available. This embodiment is intended for a countersunk screw. It can be seen in the embodiment of Figure 2 in the illustrated section that the passage 8 opens at the bottom 5 of the engagement lug 4, in an opening 13 which forms an oval.
    Figure 3 shows a perspective view of the embodiment of Figure 2. It can be seen here how the sleeve 6 from the top 2 of the disc 1 faces upwards.
    Figure 4 shows how such an adapter element is to be used. On a bar 14, which is shown here only broken off, a metal strip 15 is to be attached, which is to be claimed in the direction of arrow 16 to train. This metal strip 15 has a hole 17, for example, a circular drilled hole 17. For this hole, a washer is used, in which the engaging lug 4 has the same thickness as the metal strip 15 and the same outer diameter as the hole 17. In this case Thus, for example, the engagement lug 4 designed as a circular cylinder. He therefore lies along its circumference at the edge of the hole 17 at. Then, a screw from the top 7 of the sleeve member 6 is inserted into the passage 8 and screwed into the beam 14. Now, if a tensile force is exerted on the metal strip 15 in the direction of the arrow 16, the edge of the hole 17 bears against the edge of the engagement lug 4 and thereby forms a tensile force on the screw in its longitudinal direction. Screws are much stronger in the direction of their own longitudinal axis than in the transverse direction. In this tensile load in the direction of arrow 16, it is therefore important that the engagement lug 4 along its half circumference, facing away from the direction of the arrow 16, rests flat against the wall of the hole 17.
    However, the shim is also useful to use when the force acting on the metal element 15 is perpendicular to the surface of this metal element 15, ie in the direction of arrow 26th
    It is not necessary that the engagement lug 4 has an outer contour in the form of a circle. It could also be in the form of an oblong hole, provided that the hole 17 in the metallic strip 15 has the same shape for a precisely fitting insert.
    The power transmission is particularly favorable when the thickness of the engagement lug 4, so the distance between the contact surface 3 at the bottom of the disc 1 and the bottom 5 of the engagement lug 4, the thickness of the metal strip 15 is equal. If the engagement lug 4 thinner, only a smaller area for power transmission is available.
    In order to be able to always use the same shim but with different thickness metal strip 15, the invention proposes the use of adapter elements 18, as shown in the following in Figure 5. Here, a metal strip 15 'is to be mounted on a beam 14, which is significantly thicker than the metal strip 15 in Figure 4. Between the bars 14 and the shim now an adapter element 18 is inserted, which in its upper portion 19 an inner opening with the shape the outer periphery of the engagement lug 4 has. The engagement lug 4 is no longer at the edge of the opening 17, but at the edge of the opening of the adapter element 18. This concern is again designed so that the engagement lug 4 rests over its entire thickness at the edge of the opening of the adapter element 18. In the area of the adapter element 18 lying under the underside 5 of the engagement lug 4, the passage opening of the adapter element 18 is offset such that the passage 8 of the shim element continues through the adapter element 18. On the other hand, the outer periphery of the adapter element 18 is designed so that the underside 3 of the disc 1 can in turn rest on the metal strip 15 '.
    What is shown in Figures 4 and 5 for the attachment of a metal strip with a single shim, is of course carried out in practice with a large number of such shims.
    If the engagement lug 4 has a circular outer contour, then the shim may also be rotated about the axis of the opening 17 in order to screw the screw slightly inclined to the pulling direction 16 can.
    When using these shims, the user is provided during assembly a larger number of such shims available, for example, have different angles between the contact surface 3 and the axis of the sleeve 6.
    In the embodiment shown in FIG. 5, the adapter element 18 has a passage opening closed all around.
    Figures 6 to 8 now show a further adapter element 28 and its use with a shim. Figure 6 shows this adapter element from its underside. As can be seen from FIG. 5, the tensile force acts on the metal element 15 ', which is to be fastened with the screws, in the direction of the arrow 16. The force transmission between the metal element 15' and the adapter element therefore takes place on the right-hand side in FIG It may therefore be sufficient to design an adapter element 28 such that it engages only on the lateral surface of the engagement projection 4 arranged opposite to the direction of pull. This is shown in FIG. 6 and FIG. The adapter element 28 has a lower portion 29 which is inserted into the opening 17 of the object to be fastened. This lower portion 29 rests with a partially cylindrical end face 30 on the corresponding lateral surface of the engagement lug 4, see Figure 8. The mutually parallel outer sides 31 of the portion 29 have a distance corresponding to the outer diameter of the engagement lug 4. As a result, this area comes in a slot of the metal strip 15 'to be fastened for engagement. The region 32 of the adapter element 28 which is arranged above the lower region 29 protrudes on all sides beyond the lower region 29, but is geometrically similar to it.
    The interaction between a shim and the adapter element 28 of Figures 6 and 7 is shown schematically in Figure 8. In the illustrated example, the lower portion 29 of the adapter member 28 has the same thickness as the engagement lug 4 of the shim member. As a result, the end face 30 to be seen in FIG. 6 engages on the outside, that is to say the lateral surface, of the engagement projection 4. In the same way, an end face 33 of the upper area 32 of the adapter element 28 engages on the lateral surface of the pane 1. As a result, the upper side 34 of the adapter element 28 lies flush in a plane with the upper side 2 of the disk 1. Since the upper region 32 of the adapter element 28 projects beyond the lower region 29 on all sides, a lower side 35 of the upper region 32 is also located on the upper side of the disk to be fixed object 15, 15 '.
    In use, as shown in Figure 8, the lower portion 29 has the same thickness as the engagement lug 4. To adapt to an object to be fastened with a greater thickness, the lower portion 29 then a greater thickness have, namely the same thickness as the object to be fastened.
    Figures 9 and 10 to be considered together show a further lower element, which has a simpler construction than the lower element of Figure 1. The lower element contains an upper disc 1 with a circular circumference. Concentric to this disc 1, the engagement lug 4 is formed on the underside of the disc 1, which is for example also rotationally symmetrical. From the top, the passage 8 is formed at an angle, which opens at the bottom 13 of the engagement lug 4 as an oval hole. In the top 2 of the disc 1, a notch 36 is formed, which opens in this way access to the passage 8. Within the element, a contact surface 12 is formed for the underside of a screw head.
    The engagement lug 4 on the underside of this and the other lower elements may deviate from the circular shape, as already mentioned. On the one hand, due to the oval outlet opening in the underside 13 of the engagement projection 4, this projection 4 can also be made oval in order to be able to bring two lower elements closer to one another. On the other hand, the engagement lug 4 can also be provided with a polygonal shape to allow or force a certain angular orientation of the shim member. This can be done, for example, that the opening in the metal element 15 to be fastened is also punched as a polygonal hole.
    If the engagement lug 4 of the shim member has a circular outer shape, it may be useful for the correct alignment between a shim and an adapter element to provide an alignment or alignment between the two. This can be done in the form of a notch, which cooperates with a projection. In this case, the notch is usefully arranged in the engagement projection of the shim, since it does not interfere when the shim is used without an adapter.
    The proposed by the invention mounting arrangement is explained in more detail in Figure 11. On a wooden component 14, such as a wooden beam, a metal strip 15 is screwed to the top and bottom in each case. The metal strip 15 has holes into which the lower elements are inserted with their engagement lugs 4. The indicated by dashed lines screws extend obliquely with respect to the surface of the timber member 14. The two metal strips 15 extend on the left side over the end face of the timber member 14 also. At this point, the metal strip 15 can be connected to other components, such as a similar beam, so that the metal strips connect the two wooden components together. An attachment to a metallic element is also conceivable here, as is a connection with components extending transversely to the longitudinal direction. 6.13
    权利要求:
    Claims (26)
    [1]
    Austrian Patent Office AT12 265U1 2012-02-15 Claims 1. Arrangement for connecting wooden components, with 1.1 a wooden component (14), 1.2 a formed for surface contact with the wooden component (14), holes and on the wooden component (14) using 1.3 the inlay elements forming an underside (3) of the shim, abutment surface (3) projecting engagement lug (4), and 1.5 a particularly cylindrical passageway (8) for a connecting element which opens from a top side (7) of the shim element starting in the bottom (5) of the engagement lug (1.7), 1.7 at its upper end (7) forms a contact surface for the head (10) of the connecting element and 1.8 thereof Axis extending obliquely relative to the contact surface (3).
    [2]
    2. Arrangement according to claim 1, wherein the passage (8) of the shim member at its upper end (7) has a flat end face.
    [3]
    3. Arrangement according to claim 1, wherein the passage (8) of the shim at its upper end (7) has a conically countersunk end face (12).
    [4]
    4. Arrangement according to one of the preceding claims, in which the contact surface formed on the underside (3) of the shim element lies in a plane.
    [5]
    5. Arrangement according to one of the preceding claims, wherein the underside (5) of the engagement lug (4) is formed parallel to the abutment surface (3).
    [6]
    6. Arrangement according to one of the preceding claims, wherein the axis of the passage (8) with the bearing surface (3) forms an angle of between 15 ° and 80 °.
    [7]
    7. Arrangement according to one of the preceding claims, wherein the bearing surface (3) on a disc (1) is formed.
    [8]
    8. Arrangement according to claim 7, wherein the disc (1) is oval.
    [9]
    9. Arrangement according to one of the preceding claims, wherein the engagement lug (4) has a circular outer contour.
    [10]
    10. Arrangement according to one of claims 1 to 8, wherein the engagement lug (4) has an oval outer contour.
    [11]
    11. Arrangement according to one of claims 1 to 8, wherein the engagement projection has a polygonal outer contour.
    [12]
    12. Arrangement according to one of the preceding claims, with an adapter element (18, 28) for adapting the shim to larger thicknesses of the object to be fastened and / or different sized holes in the object to be fastened.
    [13]
    Having 13. Arrangement according to claim 12, wherein the adapter element (18, 28) for abutment against the abutment surface (3) of the shim member certain surface and on at least a part of the lateral surface of the engagement lug (4) abutting end face (30). 7/13 Austrian Patent Office AT12265U1 2012-02-15
    [14]
    14. Arrangement according to claim 13, wherein the adapter element (18, 28) at the location of the lateral surface of the engagement lug (4) engages, in which the screwed through the shim screw shows.
    [15]
    15. Arrangement according to one of claims 12 to 14, wherein the upper side (34) of the adapter element (28) is flush with the upper side of the disc (1).
    [16]
    16. Arrangement according to one of claims 12 to 15, wherein the adapter element (18) has a greater thickness than the distance between the underside (5) of the engagement lug (4) and the abutment surface (3) of the shim member.
    [17]
    17. Arrangement according to one of claims 12 to 16, wherein the adapter element has an opening whose inner contour corresponds in its emanating from the top region (19) of the outer contour of the engagement lug (4).
    [18]
    18. Arrangement according to one of claims 12 to 15, 16 or 17, wherein the outer contour of the upper side of the adapter element (18) within the outer contour of the contact surface (3) of the shim is arranged.
    [19]
    19. Arrangement according to one of claims 12 to 18, wherein the passage (8) for the pin-shaped connecting element in the adapter element (18, 28) is continued.
    [20]
    20. Arrangement according to one of the preceding claims, wherein the passage (8) for the pin-shaped connecting element has a closed circumference.
    [21]
    21. Use of a shim with a bottom (3) forming contact surface, a projecting over this engagement lug (4) and with a passage (8) for a screw, starting from a top (7) in the bottom (5) of the engagement lug (4), at its upper end forms a contact surface for the head of the screw and its axis obliquely opposite the contact surface (3), for screwing metal elements (15) on wooden components (14), for transmitting forces in the wooden component to the metal element (15) and vice versa.
    [22]
    22. Use according to claim 21, wherein the shim with its engagement lug (4) in a correspondingly shaped hole (17) of the metal strip (15) is used.
    [23]
    23. Use according to claim 21 or 22, wherein a metal strip (15) having a plurality of holes (17) and a plurality of shims is mounted in the holes (17).
    [24]
    24. Use according to one of claims 21 to 23, wherein the upper-side end (7) of the passage (8) for the pin-shaped connecting element in the direction (16) of the applied train is oriented.
    [25]
    25. Use according to one of claims 21 to 24 for the transmission of in the surface of the timber member (14) lying forces.
    [26]
    26. Use according to one of claims 21 to 25 for attaching a metal sheet to an end face of a wooden component (14). For this 5 sheets drawings 8/13
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    同族专利:
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    DE102009037820A1|2010-02-18|
    DE102009037820B4|2015-08-13|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    US799783A|1904-11-21|1905-09-19|Charles G Ette|Washer.|
    AT73685B|1915-02-16|1917-08-25|Heinrich Dr Koerber|Crate lock consisting of angle straps.|
    US5906466A|1995-04-05|1999-05-25|Eandi; Roger E.|Plug washer|
    DE19832513A1|1998-07-20|2000-02-17|Impag Gmbh Medizintechnik|Fastening arrangement|
    DE20218592U1|2002-11-29|2003-03-13|Pitzl Ulrich|Connecting device has protrusion formed inside plane defined by edge boundaries of first connecting plate and in top plan view of this plane forms approximately rectangle rounded on one side|
    DE102005040663B3|2005-08-26|2007-06-06|Siemens Ag|Shaped part for increasing assembly tolerance of position of bore holes, has plate and centering extension concentric with plate whereby plate and centering extension have lateral slot|
    DE202008017215U1|2008-12-22|2009-04-16|Simpson Strong-Tie Gmbh|Intermediate element for a helical screw connection|DE102011057014A1|2011-12-23|2013-06-27|Sfs Intec Holding Ag|Connection of at least one component made of steel to a substructure made of brittle material|
    DE202012004845U1|2012-05-14|2012-06-12|Simpson Strong-Tie Gmbh|Connecting arrangement with an intermediate element|
    法律状态:
    2019-10-15| MK07| Expiry|Effective date: 20190831 |
    优先权:
    申请号 | 申请日 | 专利标题
    DE102008038181|2008-08-11|
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