CN216994498U

CN216994498U - Sub vehicle frame assembly and vehicle that has it

Info

Publication number: CN216994498U
Application number: CN202220767561.4U
Authority: CN
Inventors: 党晓芳; 师海辉; 王飞; 王宁武
Original assignee: Great Wall Motor Co Ltd
Current assignee: Great Wall Motor Co Ltd
Priority date: 2022-03-31
Filing date: 2022-03-31
Publication date: 2022-07-19
Anticipated expiration: 2032-03-31

Abstract

The utility model discloses an auxiliary frame assembly and a vehicle with the same, wherein the auxiliary frame assembly comprises: the auxiliary frame is provided with a common mounting position, a stabilizer bar assembly and a steering gear; the stabilizer bar assembly and the steering gear are arranged in the height direction, and both the stabilizer bar assembly and the steering gear are fixedly installed at the shared installation position. According to the utility model, the stabilizer bar is moved forward to the mounting position of the steering gear on the auxiliary frame and shares a mounting point with the steering gear, so that the mounting process is simplified, and the stability of the whole vehicle is improved.

Description

Sub vehicle frame assembly and vehicle that has it

Technical Field

The utility model relates to the technical field of vehicle manufacturing, in particular to an auxiliary frame assembly and a vehicle with the auxiliary frame assembly.

Background

In order to improve the running stability of the vehicle, the suspension stiffness of the vehicle is generally designed to be lower, and a transverse stabilizer bar structure is adopted in a suspension system of a subframe and used for improving the roll angle stiffness of the suspension and reducing the vehicle body roll angle. The transverse stabilizer bar has the function of preventing the vehicle body from generating overlarge transverse rolling when turning, keeping the vehicle body balanced as much as possible, and aiming at reducing the transverse rolling degree of the vehicle and improving the smoothness. The stabilizer bar is actually a torsion bar spring placed transversely, and can be considered functionally as a special elastic element. When the vehicle body only moves vertically, the suspensions on the two sides deform the same, and the transverse stabilizer bar does not work. When the automobile turns, the automobile body inclines, the suspensions on the two sides jump inconsistently, the suspensions on the outer sides press the stabilizer bars, the stabilizer bars are twisted, and the elastic force of the rod bodies can prevent the wheels from being lifted, so that the automobile body is kept balanced as much as possible, and the transverse stabilizing effect is achieved.

The conventional stabilizer bar is generally disposed on the rear cross member of the subframe, as disclosed in chinese patent No. CN210000404U, which provides a rear cross member of the subframe, wherein a first mounting hole for mounting the stabilizer bar is provided on the outer plate of the rear cross member, and the stabilizer bar is mounted on the rear cross member. However, the device for installing the stabilizer bar is specially arranged on the rear cross beam, so that the efficiency is low, the structure is complex, the installation position of the stabilizer bar is far away from the position of the front wheel, and the requirement on the operation stability of the whole vehicle cannot be met.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention is directed to provide an auxiliary frame assembly and a vehicle having the same, which optimize the mounting manner and mounting position of a stabilizer bar, simplify the structure, improve the mounting efficiency, and improve the operating stability of the entire vehicle.

The technical scheme of the utility model is as follows:

the auxiliary frame assembly comprises an auxiliary frame, wherein a shared mounting position is arranged on the auxiliary frame; a stabilizer bar assembly and a steering gear; the stabilizer bar assembly and the steering gear are arranged in the height direction, and both the stabilizer bar assembly and the steering gear are fixedly installed at the common installation position.

In addition, according to the subframe assembly of the above-described embodiment of the present invention, the stabilizer bar assembly includes a stabilizer bar fixed to the bracket and a bracket mounted to the common mounting position.

According to some embodiments of the utility model, a first fastener is included, the first fastener being secured to the subframe at the common mounting location through the steering gear, the bracket, and the like in that order, the first fastener being in threaded engagement with the subframe.

According to some embodiments of the utility model, the bracket is provided with an annular mounting space in which a portion of the stabilizer bar is supported.

Further, the bracket includes a support portion and a cover portion fixed to the support portion, the support portion and the cover portion defining a support groove, the stabilizer bar being supported in the support groove.

According to some embodiments of the utility model, the subframe is provided with an independent mounting location to which a portion of the stabilizer bar assembly is secured.

Further, the subframe assembly also includes a second fastener that is secured to the subframe through the stabilizer bar assembly at the independent mounting location.

According to some embodiments of the utility model, the number of common mounting locations is greater than the number of individual mounting locations.

According to the specific embodiment of the utility model, the following beneficial effects can be achieved:

the mounted position of stabilizer bar moves forward along whole car X direction, with the shared mounting position of steering gear for the stabilizer bar is more reasonable with the overall arrangement of steering gear, saves space, and the mounted position of stabilizer bar more is close to the central point between the vehicle front side wheel and puts, satisfies under the prerequisite of same automobile body stability, and the pole footpath of stabilizer bar can reduce to some extent, has realized the lightweight.

Set up on sub vehicle frame assembly with fastener complex screw hole, the fastener passes the part of treating the connection and sub vehicle frame assembly on screw hole fixed connection in proper order, does not need extra nut, has simplified fastening technology and fastening structure.

The sum of the number of the shared mounting positions and the number of the independent mounting positions is more than or equal to four, wherein the number of the shared mounting positions is one or more, and the mounting reliability of the stabilizer bar can be ensured.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

FIG. 1 is an overall top view of a subframe assembly according to the present invention.

FIG. 2 is a front view of the subframe assembly according to the present invention.

FIG. 3 is a close-up view of a first mounting location and a second mounting location according to an embodiment of the utility model.

Fig. 4 is a cross-sectional view E-E according to fig. 2.

Fig. 5 is a partially enlarged view of a third mounting location and a fourth mounting location according to an embodiment of the present invention.

Fig. 6 is a cross-sectional view C-C according to fig. 2.

Reference numerals: the vehicle body includes a subframe 10, a stabilizer bar 20, a bracket 21, a support portion 211, a cover portion 212, a steering gear 30, a first mounting position 41, a second mounting position 42, a third mounting position 43, a fourth mounting position 51, a first fastener 61, and a second fastener 62.

Detailed Description

It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.

The three-dimensional coordinate system adopts a conventional vehicle coordinate system (X, Y, Z), namely, the origin of the coordinate system is coincident with the mass center of the vehicle, when the vehicle is in a static state on a horizontal road surface, the X axis is parallel to the ground and points to the front of the vehicle, the Y axis points to the left side of a driver, and the Z axis points to the upper part through the mass center of the vehicle.

The present invention will be described in detail with reference to fig. 1 to 6 in conjunction with examples.

Referring to FIGS. 1-6, embodiments of the present invention generally relate to a subframe assembly including a subframe 10, a stabilizer bar assembly and a steering gear 30.

Specifically, the subframe 10 is provided with a common mounting location. The stabilizer bar assembly and the steering gear are arranged in the height direction, and the stabilizer bar assembly and the steering gear are fixedly installed at a common installation position. That is, the stabilizer bar assembly, the steering gear, and the sub-frame are arranged in this order in the height direction of the vehicle. In some examples of the utility model, the stabilizer bar assembly is located between the subframe and the steering gear.

According to some examples of the utility model, the stabilizer bar assembly includes a stabilizer bar 20 and a bracket 21, the stabilizer bar 20 being fixed to the bracket 21, the bracket 21 being mounted to a common mounting location. That is, the stabilizer bar 20 is fixed to the subframe 10 by the bracket 21. It is understood that the stabilizer bar 20 may be directly fixed to the subframe 10.

The existing stabilizer bar is generally installed on a rear cross beam of the auxiliary frame and needs to be specially provided with the installation position of the stabilizer bar, so that the process of the stabilizer bar is complex when the stabilizer bar is installed, and the installation position is close to the rear end of the auxiliary frame, so that the stability is poor. Therefore, the mounting position of the stabilizer bar 20 of the utility model moves forward along the whole vehicle X direction, and shares the mounting position with the steering gear 30, so that the layout of the stabilizer bar 20 and the steering gear 30 is more reasonable, the space is saved, the mounting position of the stabilizer bar 20 is closer to the central position between the front side wheels of the vehicle, the rod diameter of the stabilizer bar 20 can be reduced on the premise of meeting the same vehicle body stability, and the light weight is realized. In addition, the mounting position of the stabilizer bar 20 further includes an independent mounting position where the stabilizer bar 20 is directly mounted on the subframe 10, so that the mounting reliability of the stabilizer bar 20 can be improved.

The bracket 21 is provided with an annular mounting space in which a portion of the stabilizer bar 20 is supported.

According to some embodiments of the present invention, the bracket 21 forms a mounting space through which the stabilizer bar 20 passes, and a portion of the stabilizer bar 20 is supported in the mounting space, thereby simplifying a fitting relationship between the bracket 21 and the stabilizer bar 20.

Further, the bracket 21 includes a support portion 211 and a cover portion 212, the cover portion 212 being fixed to the support portion 211, the support portion 211 and the cover portion 212 defining a support groove, the stabilizer bar 20 being supported in the support groove.

Specifically, as shown in fig. 1 to 6, the stabilizer bar 20 is integrally formed in a bent rod shape and is mounted on the subframe 10. In order to fix the rod-shaped stabilizer bar 20, a bracket 21 with an annular through hole is provided. Specifically, the bracket 21 includes a supporting portion 211 and a covering portion 212, a groove is disposed in the middle of the supporting portion 211, flat plate portions are disposed on two sides of the groove of the supporting portion 211, a groove is also disposed in the middle of the covering portion 212, and flat plate portions are also disposed on two sides of the groove of the covering portion 212. When the stabilizer bar is installed, the flat plate portion of the supporting portion 211 is attached to the flat plate portion of the covering portion 212, and the groove of the supporting portion 211 and the groove of the covering portion 212 enclose an annular through hole for the stabilizer bar 20 to pass through, which is a supporting groove.

The inner diameter of the annular through hole is matched with the outer diameter of the stabilizer bar 20, and the arc angle range of the supporting portion 211 is larger than 180 degrees, so that the stabilizer bar 20 can be stably supported. The surface of the flat plate portion is closely attached to the sub frame 10 or the steering gear 30, and the flat plate portion is provided with a through hole through which a fastener is inserted, thereby clamping the stabilizer bar 20 in a predetermined installation space.

Further, the subframe assembly of the present invention further includes a first fastener 61, and the first fastener 61 sequentially penetrates the steering gear 30, the bracket 21, and the subframe 10 at the common mounting position, thereby clamping and fixing the stabilizer bar 20.

In some embodiments of the present invention, the subframe is provided with an independent mounting location to which a portion of the stabilizer bar assembly is independently secured. That is, in this independent installation position, the stabilizer bar assembly is independently installed on the subframe 10 without sharing the installation position with the steering gear 30, so that the positioning and installation of the stabilizer bar assembly can be facilitated, for example, the stabilizer bar assembly can be first positioned at this independent installation position to prevent the stabilizer bar assembly from dropping, and then the steering gear and the stabilizer bar assembly are installed at the shared installation position, so that the installation effect can be improved.

Referring to fig. 1 to 2, a stabilizer bar 20 and a steering gear 30 are fixed to a subframe 10, wherein a mounting position of the stabilizer bar 20 includes: a common mounting position where the stabilizer bar 20 is mounted to the subframe 10 together with the steering gear 30, and an independent mounting position where the stabilizer bar 20 is directly mounted to the subframe 10.

Further, the subframe assembly of the present invention further includes a second fastener 62, and the second fastener 62 sequentially penetrates the bracket 21 and the subframe 10 at the independent mounting position, thereby directly clamping and fixing the stabilizer bar 20 to the subframe 10.

Referring to fig. 3 to 6, the stabilizer bar 20 is mounted in a manner of sharing a mounting position with the steering gear 30 and directly mounted to the subframe 10. At the common mounting position, mounting holes with the same inner diameter as that of the bracket 21 and the subframe 10 are also machined in the steering gear 30, and during assembly, a first fastening piece 61 with matched outer diameter and length is selected to sequentially penetrate through the steering gear 30, the bracket 21 and the subframe 10, so that the assembly is completed. And mounting holes with the same inner diameter are formed in corresponding positions of the support 21 and the auxiliary frame 10 at independent mounting positions, and when the assembly is carried out, the second fastening piece 62 with matched outer diameter and length sequentially penetrates through the support 21 and the auxiliary frame 10 to complete the assembly.

In some embodiments of the present invention, the first fastening member 61 and the second fastening member 62 may be hexagon head bolts, the mounting holes of the steering gear 30 and the bracket 21 are smooth holes, and the mounting holes of the subframe 10 are threaded holes with internal threads. When the first fastening member 61 is installed, screwing is started when the first fastening member 61 reaches the position of the subframe 10 until the top of the first fastening member 61 is in close contact with the steering gear 30 through the washer, or not through the washer. When the second fastening member 62 is installed, screwing is started when the second fastening member 62 reaches the position of the subframe 10 until the top of the first fastening member 62 is tightly fitted to the bracket 21 through the washer, or not through the washer.

In some embodiments of the present invention, nuts for engaging with fasteners may be separately provided, in which case, the mounting holes on the steering gear 30, the bracket 21 and the subframe 10 are all smooth holes, and the fasteners sequentially penetrate through the members to be connected and engage with the nuts.

In the structure, the auxiliary frame 10 is provided with the threaded holes matched with the fasteners, so that additional nuts are not needed, and the fastening process and the fastening structure are simplified.

In some examples of the utility model, the number of common mounting locations is greater than the number of individual mounting locations. Thereby, the fixing firmness between the steering gear and the stabilizer bar assembly can be improved.

In some embodiments of the utility model, the sum of the number of common mounting locations and individual mounting locations is greater than or equal to four, wherein the number of common mounting locations is one or more. The number of the common mounting positions and the number of the independent mounting positions, that is, the sum of the number of the mounting positions of the stabilizer bar 20 is made greater than or equal to four, and the mounting reliability of the stabilizer bar 20 can be ensured.

Specifically, referring to fig. 1-6, in some embodiments of the present invention, the common mounting location may include a first mounting location 41, a second mounting location 42, a third mounting location 43, and the individual mounting locations may include a fourth mounting location 51. As seen in fig. 1, the first mounting position 41, the second mounting position 42, the third mounting position 43 and the fourth mounting position 51 are substantially at four corner points of a rectangle, and form a stable fixation for the stabilizer bar 10. The first mounting position 41 and the third mounting position 43 are distributed on one side of the stabilizer bar 20, and the second mounting position 42 and the fourth mounting position 51 are distributed on the other side of the stabilizer bar 20.

The auxiliary frame assembly of the utility model moves the mounting position of the stabilizer bar 20 forward along the X direction of the vehicle and shares the mounting position with the steering gear 30, thereby increasing the mounting reliability of the whole vehicle and simplifying the mounting process and the mounting space. The installation process and the installation structure are further simplified by providing the auxiliary frame 10 with the installation hole having the internal thread hole. The utility model adopts a multi-point position matching installation mode, and ensures that the stabilizer bar 20 can be stably fixed on the auxiliary frame 10.

According to another aspect of the utility model, a vehicle includes the subframe assembly of the above embodiment.

According to the vehicle provided by the embodiment of the utility model, as the auxiliary frame assembly provided by the embodiment of the utility model has the technical effects, the vehicle provided by the embodiment of the utility model also has the corresponding technical effects, namely the mounting process and the mounting space are simplified, and the stability and the reliability of the whole vehicle are improved.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A subframe assembly, comprising:

the auxiliary frame is provided with a common mounting position;

a stabilizer bar assembly and a diverter; the stabilizer bar assembly and the steering gear are stacked in the height direction, and both the stabilizer bar assembly and the steering gear are fixedly mounted at the common mounting position.

2. The subframe assembly of claim 1 wherein said stabilizer bar assembly includes a stabilizer bar secured to said bracket and a bracket mounted to said common mounting location.

3. The subframe assembly of claim 2 including a first fastener secured to said subframe at said common mounting location through said steering gear, said bracket and said like in sequence.

4. The subframe assembly of claim 3 wherein said first fastener is threadably engaged with said subframe.

5. The subframe assembly of claim 2 wherein said carrier defines an annular mounting space, and a portion of said stabilizer bar is supported within said mounting space.

6. The subframe assembly of claim 5 wherein said bracket includes a support portion and a cover portion secured to said support portion, said support portion and said cover portion defining a support recess in which said stabilizer bar is supported.

7. The subframe assembly of any one of claims 1-6 wherein said subframe is provided with an independent mounting location to which a portion of said stabilizer bar assembly is independently secured.

8. The subframe assembly of claim 7 including a second fastener secured to said subframe through said stabilizer bar assembly at said independent mounting location.

9. The subframe assembly of claim 7 wherein said number of common mounting locations is greater than said number of independent mounting locations.

10. A vehicle comprising a subframe assembly according to any one of claims 1-9.