DE102006008732A1 - Receiving device for a strut - Google Patents

Abstract

The invention relates to a wheel carrier with a receiving device (1) for a rod-shaped body and in particular for a suspension strut, the receiving device (1) having a receiving area (10) which at least partially surrounds at least a portion of the suspension strut in the circumferential direction thereof, and at least one clamping means (6, 7a, 7b) is provided on the receiving area in order to detachably lock the spring strut relative to the receiving device (1).

Description

Territory of invention

The The present invention relates to a wheel carrier a receiving device for rod-shaped body. The The present invention will be described with reference to the attachment of a Strut on a wheel carrier a vehicle described.

Out The prior art has various approaches for fastening a shock absorber on a wheel carrier known. A possibility is to screw the strut to the wheel carrier. To this Purpose attachment eyes are welded to the strut and on wheel carrier formed. This direct screwing the shock absorber on the wheel is however partially not accepted by manufacturers. Furthermore are state-of-the-art solutions known in which a metal clamp or a clamp on the strut and the wheel carrier be screwed. In this solution However, they are additional for attaching the strut to the wheel Attachments needed, so this solution relatively expensive is.

Farther It is known from the prior art, the strut with the wheel carrier to be welded directly. However, such inseparable connections are also or repair purposes not solvable and therefore usually will not accepted.

Of the present invention is the object of a strut connection available too capable of detecting the forces arising from wheel carrier to transfer to the strut. In addition to a change of the strut to avoid creating a device which accomplishes the connection of a shock absorber in the same way like known solutions.

Besides make sure that the strut connection sufficient Clearance or sufficient accessibility allowed for mounting purposes.

These Tasks are performed according to the invention reaches the subject of claim 1. Advantageous embodiments and further developments are the subject of the dependent claims.

Of the inventive wheel carrier has a recording device for a rod-shaped Body and especially for a strut on. In this case, the receiving device has a receiving area, the at least one portion of the body in its circumferential direction at least partially surrounds and wherein at the receiving area at least one Clamping means is provided to the strut releasably relative to the receiving device to lock.

Under a section of the shock absorber is in particular a section of the Strut in the longitudinal direction Understood. Under a rod-shaped body becomes a body Any cross-section understood, the measurement in its longitudinal direction significantly exceeds the dimensions in other directions.

Under a detachable Locking is understood that the strut of the receiving device solved can be without thereby destroying the recording device or the strut or damage occurs. By the detachable Locking is achieved for example for assembly purposes the strut from the wheel carrier without a destruction or damage one of the elements solved can be.

Under a clamping means is understood to mean a jamming the shock absorber allowed.

In a preferred embodiment are the wheel carrier and the receiving area inseparably connected. At a preferred embodiment are the wheel carrier and the receiving area made in one piece. In a further embodiment the receiving area is welded to the wheel carrier.

at a further embodiment At least a part of the clamping means is inseparable from the receiving area connected and in particular welded. However, it is also possible the Part to be arranged inseparably at the receiving area by other means such as by soldering or like. For the welding process Plasma welding processes, laser welding processes are particularly suitable or arc welding process. In another embodiment can the wheel carrier also detachable, be connected by screwing, with the receiving device.

at a further preferred embodiment the receiving area surrounds the at least one portion of the shock absorber essentially complete. Here any clamping gaps of the receiving device are disregarded.

at a further preferred embodiment the clamping means has a screw. Preferably, a Screw and a nut provided, this for clamping of the strut are tightened.

In a further preferred Ausfüh The clamping device has at least two tabs which can be moved towards one another. By this mutual movement of the two tabs a clamping action is generated and clamped in this way the strut in the receiving device of the wheel carrier. Ironing sections are advantageously provided which surround the receiving area at least partially and on which in turn the tabs are arranged. By compressing the tabs and the bracket sections are pressed together and as a result, the shock absorber clamped or locked.

at a preferred embodiment the tabs are connected together. Also, it is possible that between the tabs in at least one area a spacer element is arranged. In this way, a support of the clamping gap can be achieved become. By this support a bending of the tabs during clamping is prevented.

at the spacer may be, for example, one at the end the flap folded edge acting in the direction of the corresponding edge second tab points.

at a further preferred embodiment the receiving device has reinforcing ribs. These reinforcing ribs are preferably circumferentially extending around the strut arranged. By means of these reinforcing ribs can the bending strength of the tabs against the receiving device elevated become.

at a further preferred embodiment are the screws in clamping sleeves assembled. In this way, a cheaper power transmission when clamping the tabs and increasing the screw clamping length achieved become.

at a further preferred embodiment is at least a portion of the receiving area to an outer periphery adapted to the strut. This means that the strut has a given outer periphery and the receiving area has a on this outer circumference adjusted inner circumference.

at a further advantageous embodiment, the clamping means at least one screw and two tabs (clamping straps) on, and the longitudinal direction the screw runs substantially parallel to the plane of at least one tab. On This way, a particularly favorable power transmission be achieved to achieve the clamping effect.

alternative for clamping by means of a nut, the counter thread to the screw directly be incorporated into the clamping plate.

at a further preferred embodiment At least one anti-rotation is provided, the twisting prevents at least one screw or a nut. By This rotation can be achieved that when mounting a nut of the screw head and thus the screw or do not turn the nut when mounting the screw, so also reliable a Klem determination of the shock absorber can be achieved.

Farther Here, the nut or screw force, form and / or cohesively attached.

The The present invention is further directed to a receptacle for releasable Receiving a strut directed, the receiving device a receiving area, the at least one portion of the Damper in the circumferential direction at least partially surrounds and wherein at least one clamping means is provided to the strut solvable across from to lock the receiving device. Also through this recording device will be a very cheap possibility created to attach a strut in another device.

The The present invention is further directed to a motor vehicle having at least a wheel of the addressed above type.

Further Advantages and embodiments emerge from the attached Drawings.

In this demonstrate:

1 A receiving device according to the invention in a first embodiment;

2 a receiving device according to the invention in a second embodiment;

3 a receiving device according to the invention in a third embodiment;

4 a receiving device according to the invention in a fourth embodiment;

5 a receiving device according to the invention in a fifth embodiment;

6 a receiving device according to the invention in a sixth embodiment;

7 a wheel carrier with a receiving device according to the invention; and

8th a wheel carrier with a receiving device according to the invention in a further embodiment.

1 shows a partial representation of a first embodiment of a receiving device according to the invention 1 , This recording device 1 has a receiving area (not shown) for receiving a shock absorber. At this receiving area are two tabs 7a and 7b arranged. The tabs 7a and 7b serve to create a clamping action on the strut as they are moved towards each other or pressed shut.

Between the tabs 7a and 7b is an elongated slot 9 , in the width of which the tabs can be pressed together. The reference number 11 refers to reinforcing ribs in the tabs 7a and 7b are molded to a bending of the tabs 7a and 7b to prevent the other areas of the receiving device.

At the in 1 embodiment shown have the tabs 7a . 7b drilling 8th on, through which screws or the like can be performed.

This show the tabs 7a and 7b Furthermore, two upper bracket sections 15a and 15b and two lower bracket sections 15c (not shown) and 15d on. Between these strap sections 15a and 15b on the one hand and 15c and 15d on the other hand is a recess 12 provided for weight saving. Also, by providing this recess 12 a more uniform clamping effect on the shock absorber can be achieved. The individual bracket sections 15a - 15d lead into the tabs 7a respectively. 7b and are preferably carried out in one piece with these. The strap sections are preferred 15a and 15c respectively. 15b and 15d with their respective associated tabs 7a respectively. 7b parallel to each other.

At the in 2 Shown embodiments are also the strap sections 15a . 15b . 15c and 15d intended.

Unlike the in 1 However, here shown embodiment is only one hole 8th intended for a screw. Instead of one or two holes, several, such as three, holes could be provided. Furthermore, the strap sections extend 15a - 15d essentially around half the circumference of the receiving device or strut. However, it would also be possible for the strap sections 15a - 15d extend around a larger or even a smaller area of the circumference. The strap sections are preferably welded to the receiving area (not shown).

In the 3 embodiment shown is similar to in 1 shown embodiment. However, at the in 3 shown embodiment, a spacer element 13 provided, which is the left tab 7a opposite the right tab 7b supported. By this support is a bending together of the tabs 7a . 7b prevented when pinching the strut. The spacer element 13 In this embodiment, a bent end of the tab 7a , The spacer could also be reversed on the tab 7b be provided or it could be on both tabs 7a . 7b each (et which shorter) spacer elements may be provided. In addition, it could also be a loose element in the spacer element, which between the two tabs 7a . 7b is introduced.

At the in 4 embodiment shown, the two tabs 7a and 7b with each other via a curved end portion 14 connected. Also, this end area causes a support of the left tab 7a opposite the right tab 7b ,

5 shows a further embodiment of a receiving device according to the invention 1 , It is at 5 also the reception area 10 shown, the (not shown) strut substantially, that is, with the exception of a clamping gap 4 and / or other exemptions. This runs at the in 5 shown embodiment of the clamping gap 4 essentially completely in the longitudinal direction of the receiving area 10 , Also in this embodiment, the tabs 7a and 7b welded to the receiving area.

In contrast to the previous embodiments, however, the tabs on the wheel carrier or the receiving area 10 welded, that the screw force is introduced in the longitudinal direction in the material or the sheet metal of the tabs and acts in this way over a high clamping length analogous to a cast wheel. The clamping length is in 5 illustrated by the reference Kl.

The reference number 6 refers to a screw or its head. At the top flap 7a is a recess 16 provided, the one turning the screw 6 or prevents a mother when tightening. At the bottom tab 7b is a collection or narrowing 17 shown, which improves the guidance of the screw during assembly. In another embodiment, it would also be possible to completely close the area of this feeder, or the respective tabs 7a and 7b to carry out with an internal thread. Instead of the four tabs shown here 7a and 7b could also be provided a higher number of tabs.

6 shows a further embodiment ei ner receiving device according to the invention. It is also a recording area 10 shown in this embodiment for each clamping screw a separate clamping strap 7a . 7b is used. The two welding tabs are in this embodiment via a curved end portion 14 connected, as well as in the 4 shown embodiment shown. It would also be possible, however, in 6 shown embodiment with one of the embodiments of the 1 - 3 to combine, ie, for example, to provide a spacer element.

The left part of the picture in 6 shows a detailed representation of the receiving area 10 , In this embodiment, those for the upper flap 7a . 7b and the lower flap 7a . 7b separate column 4a . 4b intended. Between the upper and lower tabs is in the receiving area 10 no gap arranged.

7 shows a further embodiment of a receiving device according to the invention, which on a wheel carrier 2 is arranged or in the wheel carrier 2 empties. In this embodiment, the tabs 7a . 7b for receiving the screws not on the receiving area 10 welded, but here are directly at the receiving area 10 formed. In this case, the tabs by a forming process from the receiving area 10 bent. The reference number 18 refers to a radially outwardly facing edge which increases the stiffness of the strut mount. A screw or the like (not shown) may also pass through the openings in this embodiment 8th be guided.

8th shows a further embodiment of a receiving device according to the invention. In this embodiment, the edges of different shells become screw receiving devices, respectively 8a shaped. The respective bent edges 19 serve here too to increase the rigidity.

The in the 1 - 8th each shown embodiments allow a relatively good clearance or a convenient accessibility for assembly purposes. Manufacturing technology, the in 1 - 8th shown embodiments can be achieved by forming. In addition, the embodiments shown hold the required position tolerances and provide high strength and rigidity of the overall connection, which is particularly required when cornering and braking. In addition, the receiving devices according to the invention withstand a minimum extraction force, which occurs when the damper or strut drives during rebound in the attack.

At the in 1 - 5 Shown embodiments are each welding lugs shown in different versions. If the tabs 7a and 7b under the clamping force tend to bend, ribs are formed in the forming process.

The grip lengths the screws in these embodiments However, they are relatively low, which is why in preferred embodiments the screws in clamping sleeves to be assembled.

In the in the 5 . 7 . 8th Shown embodiments results in an increased span length. At the in 5 Shown tabs are welded at right angles to the Radträgerblech or the receiving area. In this case, the tabs tend 7a . 7b not to bend, since here the screw force is initiated favorably.

In the in the 7 and 8th In embodiments shown, the tabs are also arranged at right angles to the Radträgerblech, but they are here formed directly from the receiving area. At the in 8th embodiment shown, two clamps are also shown, wherein the edges of each half-shell are deformed and optionally welded, that the clamping force of the screws is applied with high clamping length.

All Features disclosed in the application documents are considered to be essential to the invention as long as they are individually or in combination with respect to State of the art are new.

1

recording device

2

wheel carrier

4, 4a, 4b

nips

6

screw

7a, 7b

tabs

8th

drilling

8a

Screw receptacle

9

slot

10

reception area

11

reinforcing ribs

12

recess

13

spacer

14

curved end area

15a, 15b, 15c, 15d

Ironing sections

16

recess

17

narrowing

18

radial outward pointing edge

19

bent margins

kl

clamping length

Claims (14)

Wheel carrier ( 2 ) with a receiving device ( 1 ) for a rod-shaped body and in particular for a strut, wherein the receiving device ( 1 ) a receiving area ( 10 ) has at least partially surrounds at least a portion of the strut in the circumferential direction and wherein at the receiving area ( 10 ) at least one clamping means ( 6 . 7a . 7b . 15a . 15b . 15c . 15d ) is provided to the strut detachable relative to the receiving device ( 1 ) to lock. Wheel carrier according to claim 1, characterized in that the receiving area ( 10 ) at least a part of the clamping means ( 6 . 7a . 7b . 15a . 15b . 15c . 15d ) are inseparable. Wheel carrier according to at least one of the preceding claims, characterized in that the receiving area ( 10 ) substantially completely surrounds the at least one portion of the strut. Wheel carrier according to at least one of the preceding claims, characterized in that the clamping means ( 6 . 7a . 7b ) a screw ( 6 ) having. Wheel carrier according to at least one of the preceding claims, characterized in that the clamping means ( 6 . 7a . 7b ) at least two tabs ( 7a . 7b ), which can be moved toward each other. Wheel carrier according to claim 3, characterized in that the tabs ( 7a . 7b ) are directly connected to each other. Wheel carrier according to claim 3, characterized in that between the tabs ( 7a . 7b ) a spacer element ( 13 ) is arranged. Wheel carrier according to at least one of the preceding claims, characterized in that the receiving device ( 1 ) Reinforcing ribs ( 11 ) having. Wheel carrier according to at least one of the preceding claims 2-4, characterized in that the screws ( 6 ) are mounted in clamping sleeves. Wheel carrier according to at least one of the preceding claims, characterized in that at least a portion of the receiving area ( 10 ) is adapted to an outer periphery of the shock absorber. Wheel carrier according to at least one of the preceding claims, characterized in that the clamping means at least one screw and two tabs ( 7a . 7b ) and the longitudinal direction of the screw substantially parallel to the plane of at least one tab ( 7a . 7b ) runs. wheel carrier according to at least one of the preceding claims, characterized in that at least one rotation is provided, which is a twisting prevents at least one screw or a nut. Receiving device for releasably receiving a shock absorber, wherein the receiving device has a receiving region ( 10 ) which at least partially surrounds at least a portion of the strut in its circumferential direction and at least one clamping means ( 6 . 7a . 7b ) at the receiving area ( 10 ) is provided to the strut detachable relative to the receiving device ( 1 ) to lock. Motor vehicle with at least one wheel according to at least one of the preceding claims 1-12.