CN219257535U

CN219257535U - Shearing type car body suspension assembly

Info

Publication number: CN219257535U
Application number: CN202320028906.9U
Authority: CN
Inventors: 李承亮; 肖磊; 王燕燕; 李国洪; 詹金红
Original assignee: Dongsen Shiyan Automotive Seals Co ltd
Current assignee: Dongsen Shiyan Automotive Seals Co ltd
Priority date: 2023-01-06
Filing date: 2023-01-06
Publication date: 2023-06-27
Anticipated expiration: 2033-01-06

Abstract

The utility model discloses a shearing type vehicle body suspension assembly, which relates to the technical field of automobile accessories and comprises a mounting bracket and a suspension mechanism, wherein the mounting bracket is fixedly connected with a girder; the suspension mechanism comprises an inner pipe, an outer framework, a rubber damping main spring and a lower mounting gasket; the upper end of the inner tube is outwards bent to form an upper mounting gasket, and the lower end of the inner tube is fixedly connected with the lower mounting gasket; the rubber damping main spring is vulcanized on the outer side of the inner tube, the upper end of the rubber damping main spring is connected with the upper mounting gasket in a vulcanization manner, and the outer side of the rubber damping main spring is connected with the outer framework in a vulcanization manner; the lower terminal surface of rubber shock attenuation main spring is provided with the recess, and the outside border of recess outwards buckles and forms spacing arch.

Description

Shearing type car body suspension assembly

Technical Field

The utility model relates to the technical field of automobile accessories, in particular to a shearing type automobile body suspension assembly.

Background

In recent years, hard-group SUVs of non-load-bearing bodies have become increasingly popular with consumer upgrades. Therefore, the use of body suspension type parts for connecting a body to a frame (chassis frame) is increasing. Such hard-group SUVs are more severe than the conditions involved in conventional urban SUVs, and often exhibit various roll conditions. Referring to fig. 1 and 2, the conventional vehicle body suspension includes a suspension upper cushion, a suspension lower cushion, and a center tube, which are designed with a separate structure to have poor stability, and the suspension can only carry forces in a vertical direction, but cannot provide a good buffering vibration-isolating effect when the vehicle is tilted. Meanwhile, the traditional vehicle body suspension is characterized in that the central tube and the suspension belong to a separation structure, and relative rotation exists between the suspension and the diameter of the central tube in the assembly locking process, so that the assembly effect is affected. The NVH effect of the whole vehicle and the assembly effect in the production and manufacturing process are affected.

Based on the above background, it is desirable to provide a shear type vehicle body suspension assembly with good anti-roll and anti-roll assembly.

Disclosure of Invention

In view of the drawbacks of the prior art, an object of the present utility model is to provide a shear-type body suspension assembly, an elastic member for connecting a body of a non-load-bearing body structure to a girder, and a mounting structure thereof. The shearing type vehicle body suspension assembly is subjected to reinforcement design according to various operation conditions of the vehicle body, and can avoid failure phenomenon caused by insufficient strength of the mounting structure when the vehicle moves under severe conditions. Can provide fine NVH effect and assembly effect.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the shearing type vehicle body suspension assembly comprises a mounting bracket and a suspension mechanism, wherein the mounting bracket is fixedly connected with a girder, the suspension mechanism is arranged on the mounting bracket through a bolt, and the upper end of the suspension mechanism is provided with a connecting bracket for connecting a vehicle body; the suspension mechanism comprises an inner pipe, an outer framework, a rubber damping main spring and a lower mounting gasket; the upper end of the inner tube is outwards bent to form an upper mounting gasket, and the lower end of the inner tube is fixedly connected with the lower mounting gasket; the rubber damping main spring is vulcanized on the outer side of the inner tube, the upper end of the rubber damping main spring is connected with the upper mounting gasket in a vulcanization manner, and the outer side of the rubber damping main spring is connected with the outer framework in a vulcanization manner; the lower terminal surface of rubber shock attenuation main spring is provided with the recess, the outside border of recess is outwards buckled and is formed spacing arch.

The further improvement is that: and the upper mounting gasket is welded with the inner tube or formed by cold heading.

The further improvement is that: the lower mounting gasket comprises a chassis, a central hole communicated with the inner pipe is formed in the middle of the chassis, the edge of the chassis is bent upwards in an inclined mode to form a transition part, and the upper end of the transition part is bent outwards to form a flanging part; the transition portion is provided with a second reinforcing rib.

The further improvement is that: the outer framework comprises a round table, and a mounting hole matched with the rubber damping main spring is formed in the middle of the round table in a penetrating manner; the upper end of the round table is outwards bent to form a mounting plate, the upper surface of the mounting plate is in vulcanization connection with the rubber damping main spring, and a third reinforcing rib is arranged at the edge of the mounting plate; the mounting plate is provided with a plurality of heavy bench parts, heavy bench parts are provided with the connecting hole that is used for connecting the installing support.

The further improvement is that: the mounting bracket comprises a flat plate, an inclined bottom plate, a back plate and a connecting plate for connecting the flat plate, the inclined bottom plate and the back plate; the flat plate and the inclined bottom plate are respectively provided with a through hole for the suspension mechanism to pass through; the upper end of the backboard is outwards bent to form a reinforced curved surface part.

The further improvement is that: the flat plate, the inclined bottom plate and the connecting plate are all provided with lightening holes.

The further improvement is that: the junction of backplate and slope bottom plate is provided with first strengthening rib.

The further improvement is that: the nut end of the bolt is provided with a limiting plate, and the stud end of the bolt penetrates through the inner tube and is locked by the nut.

The utility model has the beneficial effects that:

1. the utility model has simple structure, easy industrialization and low manufacturing cost.

2. The product of the utility model has good strength and can resist the failure of the vehicle caused by insufficient strength under various severe working conditions.

3. In the utility model, the suspension inner tube and the suspension vulcanizing are integrated to avoid relative rotation or slippage of the inner tube and the suspension bracket in the installation process.

4. The product of the utility model has the advantages of good fatigue life of the vehicle body suspension and the mounting bracket, and reduction of three package claims after sale.

Drawings

FIG. 1 is a schematic view of a prior art vehicle body suspension assembly;

FIG. 2 is a cross-sectional view of a prior art suspension mechanism;

FIG. 3 is a schematic view of a shear type body suspension assembly according to an embodiment of the present utility model;

FIG. 4 is a schematic view of a shear type body suspension assembly according to an embodiment of the present utility model with the connecting brackets removed;

FIG. 5 is a perspective view of a mounting bracket according to an embodiment of the present utility model;

FIG. 6 is a perspective view of an alternative view of a mounting bracket according to an embodiment of the present utility model;

FIG. 7 is a perspective view of a suspension mechanism according to an embodiment of the present utility model;

FIG. 8 is a top view of a suspension mechanism according to an embodiment of the present utility model;

FIG. 9 is a cross-sectional view taken along the direction A-A in FIG. 8;

FIG. 10 is a perspective view of an inner tube according to an embodiment of the present utility model;

FIG. 11 is a perspective view of a lower mounting pad in accordance with an embodiment of the present utility model;

FIG. 12 is a cross-sectional view of a lower mounting pad in an embodiment of the utility model;

FIG. 13 is a perspective view of an exoskeleton in an embodiment of the present utility model;

fig. 14 is a perspective view of another view of an exoskeleton in accordance with an embodiment of the present utility model.

Reference numerals:

1-girder;

2-mounting a bracket; 21-plate; 22-tilting floor; 23-a back plate; 24-connecting plates; 25-through holes; 26-reinforcing curved surface portions; 27-lightening holes; 28-a first reinforcing rib;

3-a suspension mechanism; 31-an inner tube; 311-mounting a gasket; 32-mounting a gasket; 321-chassis; 322-a central hole; 323-transition; 324-flanging part; 325-second reinforcing ribs; 33-rubber damping main springs; 331-groove; 332-limit protrusions; 34-exoskeletons; 341-mounting plates; 342-a sinking platform part; 343-a connection hole; 344-round bench; 345-mounting holes; 346-third stiffener;

4-bolts; 41-limiting plates;

5-connecting the brackets.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout.

In the description of the present utility model, it should be noted that, for the azimuth words such as the terms "center", "transverse (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the azimuth and positional relationships are based on the azimuth or positional relationships shown in the drawings, only for convenience of describing the present utility model and simplifying the description, but do not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and should not be construed as limiting the specific protection scope of the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first", "a second" feature may explicitly or implicitly include one or more of such feature, and in the description of the present utility model, the meaning of "a number", "a number" is two or more, unless otherwise specifically defined.

The technical scheme and the beneficial effects of the utility model are more clear and definite by further describing the specific embodiments of the utility model with reference to the drawings in the specification. The embodiments described below are exemplary by referring to the drawings for the purpose of illustrating the utility model and are not to be construed as limiting the utility model.

Referring to fig. 3 and 4, an embodiment of the present utility model provides a shear type vehicle body suspension assembly, which includes a mounting bracket 2 and a suspension mechanism 3, wherein the mounting bracket 2 is fixedly connected with a girder 1, the suspension mechanism 3 is disposed on the mounting bracket 2 through a bolt 4, and a connection bracket 5 for connecting a vehicle body is disposed at an upper end of the suspension mechanism 3.

Referring to fig. 7 to 9, the suspension mechanism 3 includes an inner tube 31, an outer frame 34, a rubber shock absorbing main spring 33, and a lower mounting pad 32; the upper end of the inner tube 31 is bent outwards to form an upper mounting gasket 311, and the lower end of the inner tube 31 is fixedly connected with the lower mounting gasket 32; the rubber damping main spring 33 is vulcanized on the outer side of the inner tube 31, the upper end of the rubber damping main spring 33 is connected with the upper mounting gasket 311 in a vulcanization manner, and the outer side of the rubber damping main spring 33 is connected with the outer framework 34 in a vulcanization manner; the lower terminal surface of rubber shock attenuation main spring 33 is provided with recess 331, and the outside border of recess 331 is outwards buckled and is formed spacing protruding 332, and this spacing protruding 332 can cushion anticollision. The rubber shock absorbing main spring 33 provides a compression stiffness in the main axial direction and a shear stiffness in the shear direction.

Referring to fig. 10, the upper mounting pad 311 is welded or cold-headed to the inner tube 31. Specifically, the upper mounting gasket 311 and the inner tube 31 can be directly spliced and welded, and the structure has simple process molding and low cost; the inner tube 31 and the upper mounting gasket 311 can be pressed by interference and then welded with a reinforced structure, and the gasket with the structure has good coaxiality with the inner tube and good skeleton shearing resistance; the mounting gasket 311 and the inner tube 31 can be formed by integral cold heading, and the structure is simple, and various service performances are better than those of the former two frameworks; however, the skeleton molding is relatively complex and needs corresponding cold heading process support.

Referring to fig. 11 and 12, the lower mounting pad 32 includes a chassis 321, a central hole 322 communicating with the inner tube 31 is provided in the middle of the chassis 321, the edge of the chassis 321 is bent obliquely upward to form a transition portion 323, and the upper end of the transition portion 323 is bent outward to form a flange portion 324; the transition 323 is provided with a second reinforcement rib 325.

Referring to fig. 13 and 14, the outer frame 34 includes a circular truncated cone 344, and a mounting hole 345 adapted to the rubber damping main spring 33 is formed in the middle of the circular truncated cone 344; the upper end of the round table 344 is outwards bent to form an installation plate 341, the upper surface of the installation plate 341 is in vulcanization connection with the rubber damping main spring 33, and a third reinforcing rib 346 is arranged at the edge of the installation plate 341; the mounting plate 341 is provided with a plurality of sinking stand portions 342, and the sinking stand portions 342 are provided with connection holes 343 for connecting the mounting bracket 2. The round table can provide compression direction limit and improve compression direction rigidity;

referring to fig. 5 and 6, the mounting bracket 2 includes a flat plate 21, an inclined bottom plate 22, a back plate 23, and a connection plate 24 for connecting the flat plate 21, the inclined bottom plate 22, and the back plate 23; the flat plate 21 and the inclined bottom plate 22 are provided with through holes 25 for the suspension mechanism 3 to pass through; the upper end of the back plate 23 is bent outward to form a reinforcing curved surface portion 26. Specifically, the flat plate 21, the inclined bottom plate 22 and the connection plate 24 are provided with weight-reducing holes 27. The junction of the back plate 23 and the inclined bottom plate 22 is provided with a first reinforcing rib 28.

Referring to fig. 4, a limit plate 41 is provided at the nut end of the bolt 4, and the stud end of the bolt 4 is locked by a nut after passing through the inner tube 31.

The shearing type vehicle body suspension assembly has good vibration isolation performance, and can provide good buffering vibration isolation effect in the vertical direction; has larger lateral rigidity (shearing direction), keeps the stability of the supporting vehicle body, plays roles of vibration isolation, noise reduction, buffering and limiting, and has good NVH effect.

In the description of the present utility model, a description of the terms "one embodiment," "preferred," "example," "specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model, and a schematic representation of the terms described above in the present specification does not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

From the above description of the structure and principles, it should be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, but rather that modifications and substitutions using known techniques in the art on the basis of the present utility model fall within the scope of the present utility model, which is defined by the appended claims.

Claims

1. The utility model provides a shearing type car body suspension assembly, includes installing support (2) and suspension mechanism (3), installing support (2) and girder (1) fixed connection, suspension mechanism (3) are set up on installing support (2) through bolt (4), the upper end of suspension mechanism (3) is provided with linking bridge (5) that are used for connecting the automobile body; the method is characterized in that: the suspension mechanism (3) comprises an inner tube (31), an outer framework (34), a rubber damping main spring (33) and a lower mounting gasket (32); the upper end of the inner tube (31) is outwards bent to form an upper mounting gasket (311), and the lower end of the inner tube (31) is fixedly connected with a lower mounting gasket (32); the rubber damping main spring (33) is vulcanized on the outer side of the inner tube (31), the upper end of the rubber damping main spring (33) is connected with the upper mounting gasket (311) in a vulcanization mode, and the outer side of the rubber damping main spring (33) is connected with the outer framework (34) in a vulcanization mode; the lower terminal surface of rubber shock attenuation main spring (33) is provided with recess (331), outside border of recess (331) is outwards buckled and is formed spacing arch (332).

2. The shear type vehicle body suspension assembly of claim 1 wherein: and the upper mounting gasket (311) is welded with the inner pipe (31) or formed by cold heading.

3. The shear type vehicle body suspension assembly of claim 1 wherein: the lower mounting gasket (32) comprises a chassis (321), a central hole (322) communicated with the inner pipe (31) is formed in the middle of the chassis (321), the edge of the chassis (321) is bent upwards in an inclined mode to form a transition part (323), and the upper end of the transition part (323) is bent outwards to form a flanging part (324); the transition portion (323) is provided with a second reinforcing rib (325).

4. The shear type vehicle body suspension assembly of claim 1 wherein: the outer framework (34) comprises a round table (344), and a mounting hole (345) matched with the rubber damping main spring (33) is formed in the middle of the round table (344) in a penetrating mode; the upper end of the round table (344) is outwards bent to form an installation plate (341), the upper surface of the installation plate (341) is in vulcanization connection with the rubber damping main spring (33), and a third reinforcing rib (346) is arranged at the edge of the installation plate (341); the mounting plate (341) is provided with a plurality of sinking table parts (342), and the sinking table parts (342) are provided with connecting holes (343) for connecting the mounting bracket (2).

5. The shear type vehicle body suspension assembly of claim 1 wherein: the mounting bracket (2) comprises a flat plate (21), an inclined bottom plate (22), a back plate (23) and a connecting plate (24) for connecting the flat plate (21), the inclined bottom plate (22) and the back plate (23); the flat plate (21) and the inclined bottom plate (22) are respectively provided with a through hole (25) for the suspension mechanism (3) to pass through; the upper end of the backboard (23) is bent outwards to form a reinforced curved surface part (26).

6. The shear type vehicle body suspension assembly as claimed in claim 5, wherein: the flat plate (21), the inclined bottom plate (22) and the connecting plate (24) are all provided with lightening holes (27).

7. The shear type vehicle body suspension assembly as claimed in claim 5, wherein: the joint of the backboard (23) and the inclined bottom plate (22) is provided with a first reinforcing rib (28).

8. The shear type vehicle body suspension assembly of claim 1 wherein: the nut end of the bolt (4) is provided with a limiting plate (41), and the stud end of the bolt (4) passes through the inner tube (31) and is locked by a nut.