CN111043157A

CN111043157A - Bearing, preceding traveller assembly and car

Info

Publication number: CN111043157A
Application number: CN201911401123.5A
Authority: CN
Inventors: 贾威振; 梁灿
Original assignee: Zhejiang Geely Holding Group Co Ltd; Ningbo Geely Automobile Research and Development Co Ltd
Current assignee: Zhejiang Geely Holding Group Co Ltd; Zhejiang Liankong Technologies Co Ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-04-21
Anticipated expiration: 2039-12-30
Also published as: CN111043157B

Abstract

The invention relates to the technical field of automobiles, and discloses a bearing which comprises a bearing body, a first reinforcing rib structure and a second reinforcing rib; the first reinforcing rib structure is arranged at the top of the bearing body; the first reinforcing rib structure comprises a first transverse rib, a second transverse rib and a first vertical rib; one end of the first vertical rib is connected with the first transverse rib, and the other end of the first vertical rib is connected with the second transverse rib; the second reinforcing rib is arranged on the inner wall of the bearing body, and the contact mode of the second reinforcing rib and the outer edge surface of an object inserted in the bearing is line-surface contact. The bearing provided by the invention has the characteristics of high structural strength and reduction of abnormal sound between objects matched with the bearing.

Description

Bearing, preceding traveller assembly and car

Technical Field

The invention relates to the technical field of automobiles, in particular to a bearing, a front sliding column assembly and an automobile.

Background

In general, in order to improve the driving comfort of the automobile, a front strut assembly is often mounted on the automobile chassis.

In the prior art, the front sliding column assembly comprises a shock absorber, a spring, a buffer block, a bearing and the like, the shock absorber plays a role in shock absorption and guiding in an automobile so as to reduce impact and vibration of the ground on the automobile, but the front sliding column assembly plays a role in shock absorption and simultaneously has large damage to the front sliding column assembly due to the borne vibration, and belongs to a wearing part.

The common bearing connected with the upper support of the shock absorber adopts large-surface contact, which easily causes abnormal sound at the matching part of the upper support of the shock absorber and the bearing, while in the prior art, the top end of the bearing is provided with a T-shaped rib which is in small-surface contact, the structural strength is weak, the bearing supporting capacity is low, cracks exist, and when the upper support of the shock absorber is punched out to be uneven, the matching part has abnormal sound; and the contact position of the inner side of the bearing and the upper support of the shock absorber adopts surface-to-surface contact, so that the installation is difficult or abnormal sound exists.

Disclosure of Invention

The invention aims to solve the technical problems that the existing bearing is low in strength and abnormal sound exists when the existing bearing is matched with an upper support of a shock absorber.

In order to solve the above technical problem, the present application discloses in a first aspect a bearing, which includes a bearing body, a first stiffener structure, and a second stiffener;

the first reinforcing rib structure is arranged at the top of the bearing body;

the first reinforcing rib structure comprises a first transverse rib, a second transverse rib and a first vertical rib;

one end of the first vertical rib is connected with the first transverse rib, and the other end of the first vertical rib is connected with the second transverse rib;

the second reinforcing rib is arranged on the inner wall of the bearing body, and the contact mode of the second reinforcing rib and the outer edge surface of an object inserted in the bearing is line-surface contact.

Optionally, the first reinforcing rib structure further comprises a second vertical rib;

one end of the second vertical rib is connected with the first vertical rib, and the other end of the second vertical rib is connected with the inner wall of the bearing.

Optionally, a chamfer is provided at a joint of the second vertical rib and the inner wall of the bearing.

Optionally, the second stiffener is near the top of the bearing;

the second reinforcing rib comprises a first surface, the first surface is an inclined surface, and the first surface is a surface close to the top of the bearing.

Optionally, the shape of the cross-section of the second bead comprises a triangle or a semicircle.

Optionally, a hook is further included;

the hook is arranged on the outer wall of the bearing;

the hook comprises a barb hook and a flat hook.

Optionally, the bearing comprises a first support section, a second support section and a third support section;

the first support section is provided with the first reinforcing rib structure and the second reinforcing rib;

one end of the second support section is connected with the first support section, and the other end of the second support section is connected with the third support section;

the height of the second support section is greater than or equal to 20 mm;

the third support section is connected with a dust cover.

Optionally, the perpendicular distance of the outer wall of the first support section from the outer wall of the second support section is greater than or equal to 16 mm.

The present application discloses in a second aspect a front strut assembly comprising a shock absorber and the above bearing;

the shock absorber comprises a shock absorber upper support;

one end of the upper support of the shock absorber penetrates through the bearing and is in interference fit with the second reinforcing rib.

In a third aspect, the present application discloses an automobile comprising the above-described front strut assembly.

Adopt above-mentioned technical scheme, the bearing that this application provided has following beneficial effect:

the bearing comprises a bearing body, a first reinforcing rib structure and a second reinforcing rib; the first reinforcing rib structure is arranged at the top of the bearing body; the first reinforcing rib structure comprises a first transverse rib, a second transverse rib and a first vertical rib; one end of the first vertical rib is connected with the first transverse rib, and the other end of the first vertical rib is connected with the second transverse rib; that is to say, first strengthening rib is "H" type brace rod, and it is big than "L" type holding power, intensity height, difficult fracture. And compared with the prior art which adopts large-surface contact, the peripheral facet contact formed by the H-shaped supporting rib has low abnormal sound risk at the matching part of the bearing and an object inserted into the bearing.

The second reinforcing rib is arranged on the inner wall of the bearing body, and the contact mode of the second reinforcing rib and the outer edge surface of an object inserted in the bearing is line-surface contact. Compared with the prior art which adopts surface-to-surface contact, the bearing line-to-surface contact can release the degree of freedom, is beneficial to pressing the bearing into an object, and prevents the bearing from being propped up. The second reinforcing rib can prevent the rotation or sliding abnormal sound of the two in the matching area.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic structural view of a bearing according to the present application;

FIG. 2 is a cross-sectional view of a bearing of the present application;

FIG. 3 is a vertical cross-sectional view of a bearing of the present application;

FIG. 4 is a schematic structural view of a strut assembly according to the present application.

The following is a supplementary description of the drawings:

1-a bearing body; 2-a first stiffener structure; 201-a first transverse bar; 202-second transverse bar; 203-a first vertical rib; 204-second vertical ribs; 3-a second reinforcing rib; 4-hooking; 401-flat hook; 402-barb hook; 5-a first support section; 6-a second support section; 7-a third support section; 8-lightening holes; 9-upper support of the shock absorber; 10-a bearing; 11-a rubber gasket; 12-a damping spring; 13-a shock absorber; 14-dust cover.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic may be included in at least one implementation of the present application. In the description of the present application, it is to be understood that the terms "upper", "lower", "top", "bottom", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. Moreover, the terms "first," "second," and the like are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

As shown in fig. 1, fig. 1 is a schematic structural diagram of a bearing 10 of the present application; the bearing 10 comprises a bearing body 1, a first reinforcing rib structure 2 and a second reinforcing rib 3; the first reinforcing rib structure 2 is arranged at the top of the bearing body 1; the first reinforcing rib structure 2 comprises a first transverse rib 201, a second transverse rib 202 and a first vertical rib 203; one end of the first vertical rib 203 is connected with the first transverse rib 201, and the other end of the first vertical rib 203 is connected with the second transverse rib 202; that is to say, the first reinforcing rib structure 2 is an "H" type supporting rib, which has larger supporting capacity and higher strength than an "L" type supporting rib and is not easy to break. And compared with the prior art which adopts large-surface contact, the peripheral facet contact formed by the H-shaped supporting ribs has low abnormal sound risk at the matching part of the bearing 10 and an object inserted into the bearing.

In an alternative embodiment, the width of the contact surface between the top of the bearing 10 and the upper support of the shock absorber is greater than or equal to 8 mm. When the contact surface of the upper support of the shock absorber and the bearing 10 is uneven, the small matching surface formed by the H-shaped support rib can reduce abnormal sound.

In an alternative embodiment, the length of the second reinforcing bead 3 is greater than or equal to 5 mm. As can be seen from figure 2, the cylindrical surface of the second reinforcing rib 3 and the upper support of the shock absorber is in surface-to-surface contact, and the surface-to-surface contact is adopted in the prior art, so that the degree of freedom can be released by the surface-to-surface contact, the bearing 10 can be pressed into the upper support of the shock absorber, and the bearing 10 is prevented from being propped up.

As shown in FIG. 2, FIG. 2 is a cross-sectional view of the bearing 10 of the present application; the second reinforcing rib 3 is arranged on the inner wall of the bearing body 1, and the contact mode of the second reinforcing rib 3 and the outer edge surface of an object inserted in the bearing 10 is line surface contact. Compared with the prior art which adopts surface-to-surface contact, the linear-to-surface contact of the bearing 10 can release the degree of freedom, is beneficial to pressing the bearing 10 into an object and prevents the bearing 10 from being propped up. The second reinforcing rib 3 can prevent the rotation or sliding abnormal sound of the two in the matching area.

In an alternative embodiment, the first bead structure 2 further comprises a second vertical bead 204; one end of the second vertical rib 204 is connected to the first vertical rib 203, and the other end of the second vertical rib 204 is connected to the inner wall of the bearing 10, so that the structural strength of the top of the bearing 10 is increased, and the condition of abnormal sound caused by contact with an object is improved.

In an alternative embodiment, the junction of the second vertical rib 204 and the inner wall of the bearing 10 is provided with a chamfer, and the chamfer includes an inclined surface or a cambered surface, so as to facilitate the assembly of the bearing 10 with other parts.

In an alternative embodiment, the second stiffener 3 is near the top of the bearing 10; the second reinforcing rib 3 includes a first surface, which is an inclined surface, and the first surface is a surface close to the top of the bearing 10, so as to facilitate the assembly of the bearing 10 with other parts.

In an alternative embodiment, the shape of the cross-section of the second reinforcing bead 3 comprises a triangle or a semicircle, that is to say the second reinforcing bead 3 is a triangular prism or a semi-cylinder; in an alternative embodiment, the inner wall of the bearing 10 is uniformly provided with a plurality of second reinforcing ribs 3, so that objects can be smoothly inserted into the inner wall of the bearing 10 and are in interference fit with the second reinforcing ribs 3.

In an optional embodiment, the first transverse rib 201 is a first transverse rib ring, the second transverse rib 202 is a second transverse rib ring, an inner diameter of the first transverse rib ring is larger than an inner diameter of the second transverse rib ring, the first transverse rib ring and the second transverse rib ring are concentric rings, and a width of the first transverse rib ring and a width of the second transverse rib ring are 9-10 mm.

In an optional embodiment, the top of the bearing body 1 is further provided with a lightening hole 8, and the lightening hole 8 is positioned below a hole formed by two adjacent first vertical ribs 203 and first transverse ribs 201 and second transverse ribs 202; the lightening holes 8 and the lightening holes 8 have the functions of lightening and preventing shrinkage porosity.

As shown in FIG. 3, FIG. 3 is a vertical cross-sectional view of the bearing 10 of the present application; the bearing 10 further comprises a hook 4; the hook 4 is arranged on the outer wall of the bearing 10; the hook 4 comprises a barb hook 402 and a flat hook 401, the barb hook 402 has large clamping force, the dust cover 14 is not easy to pull off, the flat hook 401 is beneficial to workers to disassemble the dust cover, and the manufacturing cost is low.

In an alternative embodiment, the bearing 10 comprises a barb hook 402 and a flat hook 401, and the barb hook 402 and the flat hook 401 are symmetrically arranged on the bearing 10;

in another alternative embodiment, barbed hooks 402 are evenly distributed with flat hooks 401 along the outer wall of bearing 10, typically two hooks 4 at 180 ° diagonal, where barbed hook 402 has a release surface at angle β to the horizontal, and hooks 4 have an initial mounting surface at angle α to the horizontal, where α is 50 ± 10 deg., β is 5-30 deg., preferably α is 50 ° and β is 16 deg., barb hooks 402 at this angle can be better snapped on and flat hooks 401 facilitate removal of dust cap 14.

Fig. 4 is a schematic structural view of a strut assembly according to the present application, as shown in fig. 4. The present application discloses in a second aspect a front strut assembly comprising a damper 13, a rubber washer 11, a damper spring 12, a dust cover 14 and the above-mentioned bearing 10; the damper 13 includes a damper upper mount 9; one end of the upper support 9 of the shock absorber 13 passes through the bearing 10 and is in interference fit with the second reinforcing rib 3; the dust cover 14 is sleeved on the shock absorber 13, and one end of the dust cover 14 is connected with the side surface of the bearing 10; the rubber gasket 11 is arranged on one lower surface of the bearing 10, one end of the damping spring 12 is connected with the rubber gasket 11, and the inner diameter of a through hole formed by the damping spring 12 is larger than the diameter of a circular ring formed on the outer side of the hook 4.

As shown in fig. 2, the bearing 10 includes a first support section 5, a second support section 6, and a third support section 7; the first support section 5 is provided with the first reinforcing rib structure 2 and the second reinforcing rib 3; one end of the second support section 6 is connected with the first support section 5, and the other end of the second support section 6 is connected with the third support section 7; the height of the second support section 6 is greater than or equal to 20 mm; as can be seen from FIG. 4, the height H1 of the second support section 6 is equal to the radius R of the damping spring 12 + the thickness H3 of the rubber gasket 11 + the safety height H2, and the safety height H2 has the function of preventing the spring from jumping out laterally when the wheel jumps up and down and the steering wheel rotates, and in an alternative embodiment, H2 is more than or equal to 3 mm. The third support section 7 is connected to the dust cap 14.

In an alternative embodiment, as can be seen in fig. 4, the perpendicular distance of the outer wall of the first support section 5 from the outer wall of the second support section 6 is greater than or equal to 16 mm,

the vertical distance L1 between the outer wall of the first support section 5 and the outer wall of the second support section 6 is equal to the radius R + the safety width L2 of the damping spring 12, wherein L2 is more than or equal to 5 mm; when the wheel bounce damping spring 12 is stretched, the safety width L2 has the function of preventing the spring from bouncing out vertically, so that the safety of vehicle running is ensured, and the risk of abnormal sound is reduced. That is, the second support section 6 of the bearing 10 is long in height, and the first support section 5 is wide, so that the spring can be prevented from jumping out laterally and vertically, the safety of the vehicle can be high, and abnormal sound can be prevented.

The above description is only exemplary of the present application and should not be taken as limiting, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A bearing, characterized by: the bearing comprises a bearing body (1), a first reinforcing rib structure (2) and a second reinforcing rib (3);

the first reinforcing rib structure (2) is arranged at the top of the bearing body (1);

the first reinforcing rib structure (2) comprises a first transverse rib (201), a second transverse rib (202) and a first vertical rib (203);

one end of the first vertical rib (203) is connected with the first transverse rib (201), and the other end of the first vertical rib (203) is connected with the second transverse rib (202);

the second reinforcing ribs (3) are arranged on the inner wall of the bearing body (1), and the second reinforcing ribs (3) are in line-surface contact with the outer edge surface of an object inserted into the bearing (10).

2. The bearing of claim 1, wherein: the first reinforcing rib structure (2) further comprises a second vertical rib (204);

one end of the second vertical rib (204) is connected with the first vertical rib (203), and the other end of the second vertical rib (204) is connected with the inner wall of the bearing (10).

3. The bearing of claim 2, wherein: and a chamfer is arranged at the joint of the second vertical rib (204) and the inner wall of the bearing (10).

4. The bearing of claim 1, wherein: the second reinforcing rib (3) is close to the top of the bearing (10);

the second reinforcing rib (3) comprises a first surface, the first surface is an inclined surface, and the first surface is a surface close to the top of the bearing (10).

5. The bearing of claim 1, wherein: the shape of the cross section of the second reinforcing rib (3) comprises a triangle or a semicircle.

6. The bearing of claim 1, wherein: also comprises a hook (4);

the hook (4) is arranged on the outer wall of the bearing (10);

the hook (4) comprises a barb hook (402) and a flat hook (401).

7. The bearing of claim 1, wherein: the bearing (10) comprises a first support section (5), a second support section (6) and a third support section (7);

the first support section (5) is provided with the first reinforcing rib structure (2) and the second reinforcing rib (3);

one end of the second support section (6) is connected with the first support section (5), and the other end of the second support section (6) is connected with the third support section (7);

the height of the second support section (6) is greater than or equal to 20 mm;

the third support section (7) is connected with a dust cover (14).

8. The bearing of claim 7, wherein: the vertical distance between the outer wall of the first support section (5) and the outer wall of the second support section (6) is greater than or equal to 16 mm.

9. A front strut assembly, comprising: comprising a damper (13) and a bearing (10) according to any one of claims 1 to 8;

the shock absorber (13) comprises a shock absorber upper support (9);

one end of the upper support (9) of the shock absorber penetrates through the bearing (10) and is in interference fit with the second reinforcing rib (3).

10. An automobile, characterized in that: comprising the front strut assembly as claimed in claim 9.