DE102009017890A1 - Base component has attachment locked at retaining section by screw connection, where screw is inserted in opening of retaining section and screw positions screw connection in attachment - Google Patents

Abstract

The base component has an attachment (1) locked at a retaining section by a screw connection. A screw (2) is inserted in an opening of the retaining section. The screw positions the screw connection in the attachment. The opening has a narrow diameter area and an enlarged diameter area. The screw is arranged in the attachment and the opening is aligned relative to the attachment such that the screw is rotated into the narrow area around a rotation axis of the attachment.

Description

The The invention relates to a base component with an attachment according to the Preamble of claim 1.

From the state of the art, about the DE 68919476 T2 , corresponding carrier components are known, on which made of plastic elements, such as PVC molding sections are screwed. The screws are secured with nuts.

The DE 68919476 T2 discloses, for example, a luggage carrier for a motor vehicle having an outer body surface, wherein the luggage carrier in combination a pair of elongated side rails, which are mounted on the outer body surface spaced from each other in parallel, at least one luggage security element, which is mounted longitudinally movable on each of the two side rails, and means for selectively locking the luggage securing member on the side rails, the selective locking means comprising a retractable locking pin carried by the luggage securing member and a plurality of apertures formed at intervals along the length thereof in the side rails. wherein the locking pin has a tip portion and the apertures are each sized and arranged to receive the tip portion of one of the retractable locking pins and a manually operated one Means, which cooperates with the retractable locking pin and the tip portion form-fittingly released from the openings in the side rail.

So far the components are installed so that in the shell a bolt is attached, on which in the assembly the corresponding attachment put on and after threading a nut with a cordless screwdriver, So a power tool, was screwed. This requires a lot of assembly time and can so far only in one for the fitter unfavorable stretch and rotational position be accomplished.

It is also hitherto also ergonomically unfavorable, two components, namely, the attachment to be installed and that on the bolt to handle mother to be fixed at the same time and also have to coordinate the tool. Two-handed work is therefore difficult.

It Therefore, the object of the present invention is a base member To provide the ergonomically easier to install can be. It should thereby save time during assembly be made possible and bad Ergonomiesituationen avoided become.

A inventive solution is that a generic base member according to the invention so is further developed that at least one of the screw enabling in the attachment positioned screw in a first narrowed Diameter range and a second extended diameter range having opening of a holding portion of the base member is used.

On this way will work faster and easier for you allows the fitter. Therefore, more assemblies be made of basic component with attachment. Furthermore, can in the case of use in motor vehicles more motor vehicles of be worked on a fitter. The mechanic also tires not so fast anymore due to better ergonomics which leads to less downtime in the assembly.

advantageous Embodiments are claimed in subclaims and explained in more detail below.

So It is advantageous if the screw is so arranged in the attachment is and the opening is aligned relative to the attachment is that the screw in the first narrowed area around a rotation axis the attachment is screwed around. This is the attachment particularly easy to attach to the holding section.

If the opening in a top view a keyhole shape or relative to a longitudinal axis of the screw laterally open on one side, as part of a fishing hook formed is, this results in two particularly simple trained holding section variants, in which the fitter the attachment with the protruding from this Can use screws accurately.

In order to have a uniform force distribution, it is advantageous if three screws of the attachment engage in each case an opening, wherein the three openings are arranged on a circle, preferably equidistant from each other. In this way, a simple screwing of the screws in the openings can be realized, so that after a rotational Eindrehbewegung a linear suspension and displacement movement, possibly in gravity, is reached. It is additionally advantageous if, in the transition area between the first narrowed diameter area and the second extended diameter area, a latching function forming training on the holding portion is present, in particular a haptic feedback when screwing realizing projection configuration. This is particularly advantageous if the An Component, for example, part of a speaker, in particular a woofer, which is to be attached to a support member, in particular a side member of a motor vehicle.

Around facilitate the assembly process and avoid belt downtime it is advantageous if the openings such a location in the vehicle, alignment and dimensioning, relative to the bolts, have, that a gravity-induced falling out of the openings used screws with the attachment itself not yet complete screwed screws is prevented. Also, so will yourself finished state of assembly of base component and Attachment during use with loosening screws Falling out of the screws and thus also the attachment from the Holding section prevented.

If the second narrowed and / or closed by material of the fishing hook Diameter range of one of the openings in the direction of gravity is formed in the holding section, it is falling out of the Attachment from the holding section itself in unfavorable Prevents situations.

Especially It is advantageous if the screw is a self-locking and / or having self-tapping thread, preferably as left-hand thread is trained. The screw can then, without the attachment completely pre-drilled, just in the attachment, about in one made of plastic frame of a speaker, screwed be and prevents the pre-assembled state falling out of this Frame and in the assembled state also from the holding section of the base component. Due to the self-locking the position of the Screws in the pre-assembled add-on module exactly adjustable and changes not even with a transport. As a result, the worker finds always the same screw position during assembly, so that he can with identical tool operations at all screw locations comes to the same screwing.

Further it is an advantage if they are insoluble due to vibrations Screw on a screw head opposite End of a thread-free, for example in Torx or polygonal shape has trained attack area of a tool, because then The screw is easily accessible from the free end, which makes the manufacturing process clear simplified.

The Invention will become more apparent with the aid of a drawing explained.

It demonstrate:

1 a screw arranged in a section of an attachment for attachment to a coupling flange serving as a holding section of a base component designed as a carrier component, in a side view,

2 the top view of an opening formed in a coupling flange,

3 a formed in a catch hook of the coupling flange opening, the views of the 2 and 3 Are top views,

4 an arrangement of three keyhole-shaped openings, as in 2 is shown, wherein the openings are arranged on a circular path and

5 an arrangement of fishing hooks according to the training in 3 on a circular path.

The figures are merely schematic in nature and are only for the understanding of the invention. The representations of the 2 and 3 are detailed representations of 4 and 5 from the area II or III in the local representations.

For the same elements use the same reference numerals.

According to the invention all sorts of assemblies as a purpose in question come. In vehicles in which the space for a tight and sometimes difficult to access manually, the invention has a particularly positive effect.

In the following, the base component is designed as a carrier component, in particular as a longitudinal member of a motor vehicle, while the holding portion 7 is formed by the coupling flange. However, in other applications, the holding section may also be a wall of the base component itself, in particular if it is planar. The holding section as a separate component attached to the base component may be flat or structured, as well as angled.

While So far, front bass systems, so arrangements of speakers, such as Woofers, installed separately from the side member the tendency is due to sound optimization potential, Frontbass systems in side members of a vehicle to integrate.

In addition the in 1 illustrated embodiment, a portion of an attachment 1 in which a screw according to the invention 2 is screwed. The attachment forms the speaker while the screw 2 is screwed in its frame. The screw 2 has one head 3 and an attack area 4 at the opposite end of the head 3 the screw 2 on. This attack area 4 is designed so that a tool can engage positively here. In particular, the attack area 4 designed as a polygon. Between the head 3 and the attack area 4 is a threaded area 5 educated. This thread area 5 has an external thread that acts self-locking and, at least in plastic, thread-cutting effect. Furthermore, the thread is designed as a left-hand thread.

For mounting the attachment 1 at an in 1 Support member, not shown, as a side member having a coupling flange formed as a portion, is the screw 2 already on the attachment 1 prefixed. The shell, so the coupling flange, is an opening 6 educated. In the 2 and 3 is this opening 6 in one with the reference numeral 7 provided coupling flange shown.

While in 2 the opening 6 is keyhole-shaped, is in 3 the opening 6 through a fishing hook 8th , the part of the coupling flange 7 is, trained.

The openings 6 are, as in 4 and 5 represented, arranged along an imaginary circle.

The attachment 1 is by means of at least three screws 2 in the fishing hook 8th or the openings formed as keyholes 6 screwed in or hung in the direction of gravity, causing the attachment 1 on the shell is provisionally secured. Then the screws 2 tightened and cracked. It is therefore no more threading a mother required. A very good ergonomic mounting is possible. Optionally, can be dispensed with mounting tools. It is also possible to tighten the screws by hand.

The formation of a connection variant between the attachment 1 and the coupling flange 7 a bayonet-type plastic screw is still possible. The use of Lacknutbolzen with nuts or plastic nuts is thus unnecessary.

That with screws 2 fitted attachment 1 gets into the openings 6 so used during assembly that, in keyhole-shaped configuration of the opening 6 , the thread area 5 is used in a second extended diameter range, whereupon the entire attachment 1 Turned clockwise, leaving the threaded area 5 engages in a first narrowed diameter range. Subsequently, either by hand or with a tool, the screw 2 endangezogen.

The openings 6 are equidistant to each other, that is offset 120 ° to each other, arranged on an imaginary circular ring. The circular ring corresponds to a circle, which during rotation of the attachment 1 from the attachment 1 protruding screws 2 is exceeded.

Similarly, the fishing hook 8th out 3 trained and similar to 4 on a circular ring, like in 5 shown arranged.

However, the catch hook is 8th formed open on one side and formed enlarged diameter on the opposite side of the open side, wherein in a transition region between the open outlet and the enlarged opening area a snap-in function for a haptic feedback when screwing realizing projection formation 9 is held.

In the 2 and 3 is a first narrowed diameter region with the reference numeral 10 Mistake. A second extended diameter range is denoted by the reference numeral 11 Mistake.

QUOTES INCLUDE IN THE DESCRIPTION

This list The documents listed by the applicant have been automated generated and is solely for better information recorded by the reader. The list is not part of the German Patent or utility model application. The DPMA takes over no liability for any errors or omissions.

Cited patent literature

• - DE 68919476 T2 [0002, 0003]

Claims (8)

Base member with a on a holding section ( 7 ) via a screw-secured attachment ( 1 ), characterized in that at least one enabling the screw in the attachment ( 1 ) positioned screw ( 2 ) in a first narrowed diameter range ( 10 ) and a second extended diameter range ( 11 ) opening ( 6 ) of the holding section ( 7 ) is used. Base component according to claim 1, characterized in that the screw ( 2 ) so in the attachment ( 1 ) is arranged and the opening so relative to the attachment ( 1 ) is aligned that the screw ( 2 ) in the first narrowed area about an axis of rotation of the fixture ( 1 ) is screwed around. Base component according to claim 1 or 2, characterized in that the opening ( 6 ) in a plan view has a keyhole shape or relative to a longitudinal axis of the screw ( 2 ), laterally open on one side, as part of a fishing hook ( 8th ) is trained. Base component according to claim 3, characterized in that three screws ( 2 ) of the attachment ( 1 ) in each case an opening ( 6 ), whereby three openings ( 6 ) are arranged on a circle, preferably equidistant from each other. Base component according to claim 4, characterized in that the openings ( 6 ) such a position in the vehicle, alignment and dimensioning, relative to the screws ( 2 ), that a gravity-induced falling out of the in the openings ( 6 ) used screws ( 2 ) even with screws that have not yet been completely screwed in ( 2 ) is prevented. Base component according to claim 5, characterized in that the second constricted and / or the material of the catch hook ( 8th ) closed diameter area of one of the openings ( 6 ) in the direction of gravity in the holding section ( 7 ) is trained. Base component according to one of claims 1 to 6, characterized in that the screw ( 2 ) has a self-locking and / or thread self-threading, which is preferably designed as a left-hand thread. Base component according to one of claims 1 to 7, characterized in that the non-detachable by vibration screw ( 2 ) on a screw head ( 3 ) opposite end a thread-free attack area ( 4 ) of a tool.