CN212637654U - Preceding sub vehicle frame assembly and car - Google Patents

Abstract

The utility model relates to a preceding sub vehicle frame assembly and car, preceding sub vehicle frame assembly include preceding sub vehicle frame body, motor steering gear, connecting rod support and suspension support, and motor steering gear sets up along the length direction of preceding sub vehicle frame body, and installs fixedly on preceding sub vehicle frame body; the connecting rod support and the suspension support are respectively installed on the two side edges of the front auxiliary frame body along the length direction, the connecting rod support and the suspension support are arranged oppositely, the connecting rod support and the suspension support are connected through a connecting rod body, and a motor steering gear is arranged between the connecting rod body and the front auxiliary frame body. The utility model discloses increase connecting rod support and suspension support on the sub vehicle frame body in the front, design connecting rod support and suspension support into the vertical heart formula and arrange, improve the longitudinal rigidity of the sub vehicle frame body before, through this body coupling of connecting rod between the two, both can dodge the motor steering gear, can improve the horizontal rigidity of preceding sub vehicle frame body again to the bulk rigidity of sub vehicle frame assembly before improving.

Description

Preceding sub vehicle frame assembly and car

Technical Field

The utility model relates to the field of automotive technology, especially, relate to a preceding sub vehicle frame assembly and car.

Background

The auxiliary frame can be regarded as a framework of the front axle and the rear axle and is a component of the front axle and the rear axle, and the auxiliary frame has the functions of isolating vibration and noise and reducing the direct entering of the vibration and the noise into a carriage. The sub vehicle frame divide into preceding sub vehicle frame and back sub vehicle frame, and preceding sub vehicle frame + McPherson independent suspension + stabilizer bar is the general configuration of modern car, sets up such structure, and the control performance of security performance and automobile body has very big promotion.

At present, in the design of an automobile chassis, a front auxiliary frame needs to be hollowed on the auxiliary frame to be designed to avoid due to the fact that a motor steering gear is arranged on the front auxiliary frame. However, this kind of fretwork design leads to the rigidity of preceding sub vehicle frame not enough, and then influences the wholeness ability of car.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a preceding sub vehicle frame assembly solves the not enough problem of current preceding sub vehicle frame assembly rigidity.

The utility model provides a front auxiliary frame assembly, including front auxiliary frame body, motor steering gear, connecting rod support and suspension support, motor steering gear follows the length direction setting of front auxiliary frame body, and install and fix on front auxiliary frame body;

the connecting rod support with the suspension support is installed respectively preceding sub vehicle frame body is along length direction's both sides edge, just the connecting rod support with the suspension support sets up relatively, the connecting rod support with through this body coupling of a connecting rod between the suspension support, the connecting rod body with be equipped with between the preceding sub vehicle frame body the motor steering gear.

According to the utility model provides a preceding sub vehicle frame assembly has following beneficial effect: the utility model discloses increase connecting rod support and suspension support on the sub vehicle frame body in the front, design connecting rod support and suspension support into the vertical heart formula and arrange, improve the longitudinal rigidity of the sub vehicle frame body before, through this body coupling of connecting rod between the two, both can dodge the motor steering gear, can improve the horizontal rigidity of preceding sub vehicle frame body again to the bulk rigidity of sub vehicle frame assembly before improving.

Additionally, according to the utility model provides a preceding sub vehicle frame assembly can also have following additional technical characterstic:

further, the connecting rod support includes the diaphragm and follows the both ends of diaphragm extend the vertical plate that forms respectively, the diaphragm with the tip laminating of connecting rod body is fixed, two the vertical plate is kept away from the tip of diaphragm with preceding sub vehicle frame fixed connection.

Furthermore, the included angle between the longitudinal plate and the transverse plate is an obtuse angle.

Further, preceding sub vehicle frame body includes the bottom plate and follows the crossbeam that bottom plate length direction's both sides extended respectively, the bottom plate is inwards sunken to form a depressed part, the longitudinal plate is kept away from the tip of diaphragm sets up the joint groove, the joint groove with crossbeam looks adaptation, so that the crossbeam with the longitudinal plate joint.

Further, the suspension support includes the base and sets up suspension seat on the base, be equipped with the semicircular groove of dodging on the base, the concave surface orientation of dodging the groove preceding sub vehicle frame body.

Furthermore, the both ends of base outwards extend the formation fixed plate horizontally respectively, the fixed plate passes through the bolt fastening on the preceding sub vehicle frame body.

Further, a stabilizer bar is arranged in the avoiding groove in a penetrating mode, and the stabilizer bar is arranged in the length direction of the front auxiliary frame body and fixed on the front auxiliary frame body.

Further, the height of the suspension support is larger than that of the connecting rod support, and an included angle between the connecting rod body and the horizontal plane is 30-45 degrees.

The utility model also provides a car, the car includes foretell preceding sub vehicle frame assembly.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic structural view of a front subframe assembly according to an embodiment of the present invention;

FIG. 2 is a schematic view of a partial structure of the front subframe assembly according to the embodiment of the present invention;

FIG. 3 is an enlarged view at FIG. 2A;

reference numerals:

10. a front subframe body; 11. a base plate; 111. a through hole; 12. a cross beam; 20. a motor diverter; 30. a connecting rod bracket; 31. a transverse plate; 32. a longitudinal plate; 321. a clamping groove; 40. a suspension bracket; 41. a base; 411. an avoidance groove; 42. a suspension base; 43. a fixing plate; 50. a connecting rod body; 60. a stabilizer bar.

Detailed Description

In order to make the objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. Several embodiments of the invention are given in the accompanying drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Referring to fig. 1 to 3, an embodiment of the present invention provides a front subframe assembly, which includes a front subframe body 10, a motor steering gear 20, a connecting rod bracket 30 and a suspension bracket 40.

The front subframe body 10 is substantially rectangular, and includes a bottom plate 11 and a cross beam 12 extending along both sides of the length direction of the bottom plate 11, in this embodiment, the length direction of the front subframe body 10 is defined as Y direction, the width direction is defined as X direction, the bottom plate 11 is recessed inwards to form a recessed portion, the recessed portion is hollowed out, i.e. a through hole 111 is formed, a motor steering gear 20 is disposed above the through hole 111, and the motor steering gear 20 is substantially rod-shaped and disposed along the Y direction of the front subframe body 10.

The connecting rod support 30 and the suspension support 40 are respectively installed at two side edges of the front subframe body 10 along the length direction, the connecting rod support 30 and the suspension support 40 are oppositely arranged, the connecting rod support 30 and the suspension support 40 are connected through a connecting rod body 50, and the motor steering gear 20 is arranged between the connecting rod body 50 and the front subframe body 10. The utility model discloses increase connecting rod support 30 and suspension support 40 on sub vehicle frame body 10 in the front, design into the vertical heart formula with connecting rod support 30 and suspension support 40 and arrange, improve the longitudinal rigidity of sub vehicle frame body 10 before, connect through connecting rod body 50 between the two, both can dodge motor steering gear 20, can improve the horizontal rigidity of sub vehicle frame body 10 before again to the global rigidity of sub vehicle frame assembly before improving.

Specifically, the height of suspension support 40 is greater than the height of connecting rod support 30, the contained angle of connecting rod body 50 and horizontal plane is 30 ~ 45 degrees, and the contained angle is 30 degrees in this embodiment. The above design forms the link body 50, the suspension bracket 40 and the link bracket 30 into a triangular structure to enhance the strength of the front subframe body 10.

Connecting rod support 30's cross section is isosceles trapezoid, includes diaphragm 31 and edge the longitudinal plate 32 that forms is extended respectively at the both ends of diaphragm 31, diaphragm 31 with the tip laminating welded fastening of connecting rod body 50, longitudinal plate 32 with the contained angle of diaphragm 31 is the obtuse angle, two longitudinal plate 32 keeps away from the tip of diaphragm 31 with preceding sub vehicle frame fixed connection. The transverse plate 31 and the connecting rod body 50 are jointed and fixed, so that the jointing area of the transverse plate and the connecting rod body is increased, and the connecting strength of the transverse plate and the connecting rod body is improved. The obtuse angle between the vertical plate 32 and the horizontal plate 31 can reduce the center of gravity of the connecting rod bracket 30, thereby improving the stability of the connection between the connecting rod bracket 30 and the subframe body.

The longitudinal plate 32 is far away from the end part of the transverse plate 31 is provided with a clamping groove 321, in this embodiment, the clamping groove 321 is arc-shaped, and the clamping groove 321 is matched with the cross beam 12, so that the cross beam 12 is clamped with the longitudinal plate 32. The longitudinal plate 32 and the transverse beam 12 can be connected in a clamping manner, so that the connection strength of the longitudinal plate and the transverse beam can be improved.

The suspension bracket 40 comprises a base 41 and a suspension seat 42 arranged on the base 41, wherein the base 41 is provided with a semicircular avoiding groove 411, and the base 41 is partially designed into an arch bridge shape to improve the bearing capacity and further enhance the stability of the suspension bracket 40. The concave surface of the avoiding groove 411 faces the front subframe body 10. A stabilizer bar 60 is inserted into the avoiding groove 411, and the stabilizer bar 60 is disposed along the length direction of the front subframe body 10 and fixed on the front subframe body 10. The added suspension bracket 40 is used for the stabilizer bar 60 to pass through by arranging the avoiding groove 411, and the arranged stabilizer bar 60 can improve the longitudinal rigidity of the auxiliary frame body.

The both ends of base 41 outwards extend the level respectively and form fixed plate 43 in the embodiment of the utility model, the number of fixed plate 43 is 4, and each end of base 41 sets up 2 fixed plates 43, is located the mutual symmetry setting of fixed plate 43 of different ends, fixed plate 43 passes through the bolt fastening and is in preceding sub vehicle frame body 10 is last. The suspension bracket 40 is connected to the front subframe body 10 through the fixing plate 43 to improve the connection strength therebetween.

The shape of suspension seat 42 is roughly the arc, suspension seat 42 includes U-shaped plate and mounting disc, the mounting disc sets up inside the U-shaped plate, and a center pin is worn to establish in the center of mounting disc, thereby the fixed connection of mounting disc and U-shaped plate is realized with U-shaped plate fixed connection to the both ends of center pin, the tip of connecting rod body is connected with the lateral wall of mounting disc.

The utility model discloses an installation step does: the middle part of the front subframe body 10 is provided with a through hole 111, the motor steering gear 20 is fixedly installed along the length direction of the front subframe body 10 and is arranged above the through hole 111, then the fixed connecting rod bracket 30 and the suspension bracket 40 are respectively installed on the two side edges of the front subframe body 10 along the length direction, the connecting rod body 50 is arranged above the motor steering gear 20, and the two ends of the connecting rod body are respectively fixedly connected with the connecting rod bracket 30 and the fixed bracket.

To sum up, the beneficial effects of the utility model reside in that: the utility model discloses increase connecting rod support 30 and suspension support 40 on sub vehicle frame body 10 in the front, design into the vertical heart formula with connecting rod support 30 and suspension support 40 and arrange, improve the longitudinal rigidity of sub vehicle frame body 10 before, connect through connecting rod body 50 between the two, both can dodge motor steering gear 20, can improve the horizontal rigidity of sub vehicle frame body 10 before again to the global rigidity of sub vehicle frame assembly before improving.

Another embodiment of the utility model provides a car still provides, the car includes foretell preceding sub vehicle frame assembly.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (9)

1. A front auxiliary frame assembly is characterized by comprising a front auxiliary frame body, a motor steering gear, a connecting rod support and a suspension support, wherein the motor steering gear is arranged along the length direction of the front auxiliary frame body and is fixedly installed on the front auxiliary frame body;

the connecting rod support with the suspension support is installed respectively preceding sub vehicle frame body is along length direction's both sides edge, just the connecting rod support with the suspension support sets up relatively, the connecting rod support with through this body coupling of a connecting rod between the suspension support, the connecting rod body with be equipped with between the preceding sub vehicle frame body the motor steering gear.

2. The front subframe assembly of claim 1 wherein the link bracket includes a cross plate and longitudinal plates extending along two ends of the cross plate, the cross plate is attached to and fixed to the ends of the link body, and the ends of the longitudinal plates remote from the cross plate are fixedly connected to the front subframe.

3. The front subframe assembly of claim 2 wherein said longitudinal plates are angled at an obtuse angle relative to said transverse plate.

4. The front subframe assembly of claim 2 wherein the front subframe body includes a bottom plate and a cross member extending along both sides of the bottom plate in a length direction thereof, the bottom plate is recessed inwardly to form a recessed portion, and the end of the longitudinal plate away from the transverse plate is provided with a clamping groove adapted to the cross member so as to clamp the cross member to the longitudinal plate.

5. The front subframe assembly of claim 1 wherein the suspension bracket includes a base and a suspension seat disposed on the base, the base having a semicircular avoidance slot, the concave surface of the avoidance slot facing the front subframe body.

6. The front subframe assembly of claim 5 wherein said base member has opposite ends extending horizontally outwardly to form respective anchor plates, said anchor plates being bolted to said front subframe body.

7. The front subframe assembly of claim 5 wherein a stabilizer bar is disposed in the escape slot, the stabilizer bar being disposed along a length of the front subframe body and fixed to the front subframe body.

8. The front subframe assembly of claim 1 wherein the height of the suspension bracket is greater than the height of the link bracket, and the angle between the link body and the horizontal plane is 30 to 45 degrees.

9. An automobile comprising a front sub frame assembly according to any one of claims 1 to 8.

Images