CN213451318U

CN213451318U - Plane bearing for vehicle suspension and vehicle suspension

Info

Publication number: CN213451318U
Application number: CN202022182626.2U
Authority: CN
Inventors: 张磊; 李雅喆; 凌雯; 熊云亮
Original assignee: SAIC Volkswagen Automotive Co Ltd
Current assignee: SAIC Volkswagen Automotive Co Ltd
Priority date: 2020-09-29
Filing date: 2020-09-29
Publication date: 2021-06-15
Anticipated expiration: 2030-09-29

Abstract

The utility model discloses a plane bearing for vehicle suspension, it includes upper cover and base, upper cover and base form accommodation space, be equipped with first raceway, second raceway and locate the annular holder between first raceway and the second raceway in the accommodation space, be equipped with a plurality of holes on the circumferential direction of annular holder, a plurality of rolling element correspondence is located in a plurality of holes; the inside of upper cover is equipped with first sealing member, have first sealed flange and second sealed flange on the first sealing member, first sealed flange with the vertical medial surface of base supports against sealingly, the second sealed flange with the horizontal medial surface of base supports against sealingly. Correspondingly, the utility model also discloses a vehicle suspension, it has this plane bearing. Plane bearing have better sealed effect to when making it apply to vehicle suspension, can avoid vehicle suspension to send the abnormal sound.

Description

Plane bearing for vehicle suspension and vehicle suspension

Technical Field

The utility model relates to a bearing structure especially relates to a plane bearing structure.

Background

A suspension is a connecting device for connecting a vehicle body and an axle of a vehicle, which is used to transmit force and torque between the vehicle body and the axle, and which is also capable of buffering impact force transmitted from an uneven road surface to the vehicle body and attenuating vibration caused thereby to ensure smooth driving of the vehicle.

In the existing vehicles, the suspensions are generally divided into a macpherson type suspension and a double wishbone type suspension, wherein the macpherson type suspension is more widely applied to the vehicles.

As shown in fig. 1, the macpherson suspension generally includes components such as a shock absorber 1, a coil spring 2, a cushion block 3, a bellows 4, a flat bearing 5, and a dust cover. Wherein coil spring 2 cover is established on shock absorber 1, and planar bearing 5 supports in coil spring 2 one end near the automobile body to can bear the axial effort and the radial effort that come from coil spring 2, the dust cover links to each other with planar bearing, plays waterproof and the effect of protecting shock absorber cylinder and piston rod not polluted by the external world.

However, in practical application, the problem of abnormal steering noise of the Macpherson suspension can be found in a road test containing a salt water corrosion condition under the condition of actual vehicle assembly. After the analysis, the inventor finds that the main reason of causing the abnormal steering noise of the Macpherson suspension is that the sealing structure of the current plane bearing enables pollutants to easily enter the interior from the inner side of the bearing, thereby causing the internal corrosion and the abnormal noise.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a flat bearing for vehicle suspension, it has stronger sealed effect to can strengthen the resistance to the pollutant.

In order to achieve the above object, the present invention provides a flat bearing for a vehicle suspension, which includes an upper cover and a base, wherein the upper cover and the base form an accommodating space, a first rolling path, a second rolling path and an annular retainer disposed between the first rolling path and the second rolling path are disposed in the accommodating space, a plurality of holes are disposed in the circumferential direction of the annular retainer, and a plurality of rolling elements are correspondingly disposed in the plurality of holes; and the inside of upper cover is equipped with first sealing member, have first sealed flange and second sealed flange on the first sealing member, first sealed flange supports with the vertical medial surface of base is sealed to be leaned on, the second sealed flange supports with the horizontal medial surface of base is sealed to be leaned on.

The inventor conducts disassembly analysis on the abnormal sound-emitting problem of the existing Macpherson suspension, and finds that when the plane bearing is matched with a dust cover, under the condition of road test, the outside pollution corrosive liquid can enter the inside of the bearing under the action of the rotation process and the lateral force of the bearing, and the corrosive liquid is remained in the bearing and cannot be discharged, so that the bearing is in the local soaking effect.

In addition, external pollutants enter the bearing, so that the first roller path, the second roller path and the rolling bodies inside the bearing are corroded and rusted, rotation clamping stagnation is generated, and abnormal sound is generated when the suspension rotates.

Based on this, the inventor redesigned the seal structure of plane bearing for the upper cover is inside to have first sealing member, has on the first sealing member with the vertical medial surface of base leans on sealingly with the first sealed flange that leans on with the horizontal medial surface of base sealingly, thereby realizes excellent sealed effect, avoids outside pollutant to get into the bearing.

Further, in the flat bearing for a vehicle suspension of the present invention, the inside of the upper cover is further provided with a second sealing member, and in the radial direction of the upper cover, the second sealing member is provided outside the first sealing member.

In this preferred technical scheme, the second sealing member can further provide the outside between upper cover and the base sealed, thereby strengthen the utility model discloses a flat bearing's sealed effect.

Further, in the plane bearing of a vehicle suspension of the present invention, the first sealing member is injection molded in the upper cover.

Further, in the flat bearing for a vehicle suspension of the present invention, the second sealing member is injection molded in the upper cover.

Further, in the plane bearing for a vehicle suspension of the present invention, the upper cover is a plastic upper cover.

Further, in the flat bearing for a vehicle suspension of the present invention, the base is a plastic base.

Further, a flat bearing for vehicle suspension still include the flange, the periphery of base is located to base below and cover to the flange.

Still further, the flange is a metal flange.

The utility model discloses an in the preferred embodiment, seted up a plurality of outlet on the base, this a plurality of outlet is arranged along the circumference direction of base.

In above-mentioned preferred technical scheme, through set up a plurality of outlet openings in base circumferential direction to make the direct discharge of outlet opening on the base wall of outside pollutant edge bearing from the contaminated position, thereby avoided the risk that sewage is amassed.

Another object of the present invention is to provide a vehicle suspension, which has the above flat bearing for vehicle suspension, the flat bearing of the vehicle suspension has better sealing effect, so that the pollutant is difficult to enter the interior from the inner side of the bearing, and the internal corrosion and abnormal sound of the vehicle suspension are avoided.

Based on the above object, the utility model also provides a vehicle suspension, it includes above the flat bearing.

A flat bearing for vehicle suspension to the problem that sends the abnormal sound that current McPherson formula suspension appears, redesigned flat bearing's seal structure for upper cover inside has first sealing member, have on the first sealing member with the vertical medial surface of base supports the first sealing flange that leans on and with the horizontal medial surface of base supports the second sealing flange that leans on sealingly, thereby realizes excellent sealed effect, can effectively avoid outside pollutant to get into the bearing, and then avoids the suspension to send the abnormal sound.

Furthermore, the utility model discloses an among the preferred technical scheme, through setting up the outlet for even there is outside pollutant to get into inside the bearing, also can follow the direct discharge of outlet on the base wall of polluted position edge bearing immediately, thereby avoided the risk that sewage was saved.

Drawings

Fig. 1 schematically shows the structure of a macpherson suspension.

Fig. 2 shows the structure of a flat bearing for a vehicle suspension according to one embodiment of the present invention.

Fig. 3 is a schematic view of a split structure of a flat bearing for a vehicle suspension according to an embodiment of the present invention.

Fig. 4 schematically shows the structure of a seal of a flat bearing for a vehicle suspension according to an embodiment of the present invention.

Fig. 5 schematically shows a water drain groove in a base of a flat bearing for a vehicle suspension according to an embodiment of the present invention.

Detailed Description

The plane bearing for a vehicle suspension and the vehicle suspension according to the present invention will be further explained and illustrated with reference to the drawings and the specific embodiments, which, however, should not be construed to unduly limit the technical solution of the present invention.

As shown in fig. 2 and 3, in the present embodiment, the plane bearing for a vehicle suspension according to the present invention includes: an upper cover 51 and a base 57, wherein the upper cover 51 and the base 57 form a receiving space when mounted together, and a first raceway 53, a second raceway 54, and an annular retainer 55 provided between the first raceway 53 and the second raceway 54 are provided in the receiving space. The annular cage 55 is provided with a plurality of holes in the circumferential direction so that a plurality of rolling elements 56 can be correspondingly provided therein. In addition, the plane bearing further has a flange 58, which is disposed below the base 57 and is sleeved on the periphery of the base 57. In some embodiments, the flange 58 may be made of metal to ensure its strength.

As shown in fig. 4, a first sealing member 52 is disposed inside the upper cover 51, and the first sealing member 52 has a first sealing flange 521 and a second sealing flange 522, wherein the first sealing flange 521 is in sealing contact with a vertical inner side surface of the base 57, and the second sealing flange 522 is in sealing contact with a horizontal inner side surface of the base 57, so as to achieve an excellent sealing effect and prevent external contaminants from entering the bearing.

Further, in this embodiment, a second seal 59 is provided inside the upper cover 51, and as can be seen from fig. 4, the second seal 59 is provided outside the first seal 52 in the radial direction of the upper cover 51. In this way, flat bearing just has inboard and outside double seal effect to further strengthened flat bearing's sealed effect.

As shown in fig. 5, in a preferred embodiment of the present invention, a plurality of drainage holes 571 are preferably formed on the base 57, and the plurality of drainage holes 571 are arranged along the circumferential direction of the base 57, for example, as shown in fig. 2. According to the technical scheme, the plurality of water drainage holes 571 are arranged in the circumferential direction of the base 57, so that external pollutants are directly discharged from a polluted position along the water drainage holes 571 in the wall of the base 57 of the plane bearing, sewage accumulation is avoided, and the corrosion risk of the first raceway 53, the second raceway 54 and the rolling body 56 in the plane bearing is further prevented.

It should be noted that the vehicle suspension according to the present invention has no further improvement in the remaining components, such as the shock absorber, the coil spring, the cushion block, the bellows, etc., except for the improvement in the plane bearing thereof as described above, and therefore, the structure of the vehicle suspension will not be described in detail herein.

It should be noted that the combination of the features in the present application is not limited to the combination described in the claims of the present application or the combination described in the embodiments, and all the features described in the present application may be freely combined or combined in any manner unless contradicted by each other.

It should also be noted that the above-mentioned embodiments are only specific embodiments of the present invention. It is obvious that the present invention is not limited to the above embodiments, and similar changes or modifications can be directly derived or easily suggested by those skilled in the art from the disclosure of the present invention, and all should fall within the protection scope of the present invention.

Claims

1. A plane bearing for a vehicle suspension comprises an upper cover and a base, wherein the upper cover and the base form an accommodating space, a first rolling way, a second rolling way and an annular retainer arranged between the first rolling way and the second rolling way are arranged in the accommodating space, a plurality of holes are formed in the circumferential direction of the annular retainer, and a plurality of rolling bodies are correspondingly arranged in the holes; the method is characterized in that:

the inside of upper cover is equipped with first sealing member, have first sealed flange and second sealed flange on the first sealing member, first sealed flange with the vertical medial surface of base supports against sealingly, the second sealed flange with the horizontal medial surface of base supports against sealingly.

2. The flat bearing for a vehicle suspension as claimed in claim 1, wherein the inner portion of the upper cover is further provided with a second seal member, and the second seal member is provided outside the first seal member in a radial direction of the upper cover.

3. The flat bearing for a vehicle suspension of claim 1 wherein said first seal is injection molded into the upper cover.

4. The flat bearing for a vehicle suspension of claim 2 wherein said second seal is injection molded into the upper cover.

5. The flat bearing for a vehicle suspension as claimed in claim 1, wherein said upper cover is a plastic upper cover.

6. The flat bearing for a vehicle suspension of claim 1 wherein said base is a plastic base.

7. The flat bearing for a vehicle suspension according to claim 1, further comprising a flange provided below the base and fitted around the periphery of the base.

8. The flat bearing for a vehicle suspension as claimed in claim 7, wherein said flange is a metal flange.

9. The flat bearing for a vehicle suspension according to any one of claims 1 to 8, wherein a plurality of drain holes are formed in the base, and the plurality of drain holes are arranged in a circumferential direction of the base.

10. A vehicle suspension characterized in that it comprises a flat bearing according to any one of claims 1-9.