CN222728078U - Subframe structure and vehicle - Google Patents

Abstract

The utility model discloses a subframe structure and a vehicle, including a front first mounting bracket, a front second mounting bracket and a front cross beam, the front first mounting bracket includes a front first body mounting bracket and a front suspension first mounting bracket, the front second mounting bracket includes a front second body mounting bracket and a front suspension second mounting bracket, the front second body mounting bracket and the front suspension second mounting bracket are made of aluminum alloy in one piece, the front first mounting bracket is provided with a first slot extending along the length direction of the front cross beam, the front second mounting bracket is provided with a second slot extending along the length direction of the front cross beam, the first end of the front cross beam is embedded in the first slot and welded to the front first mounting bracket, the second end of the front cross beam is embedded in the second slot and welded to the front second mounting bracket. The subframe of this structure is subjected to rigidity simulation analysis, and the analysis result is significantly higher than the benchmark target, and through actual vehicle verification, the handling stability performance evaluation exceeds similar competing products.

Description

Auxiliary frame structure and vehicle

Technical Field

The utility model is used in the field of automobiles, and particularly relates to a subframe structure and a vehicle.

Background

The auxiliary frame is an important component part of the chassis and is used for supporting front and rear axles and suspension of an automobile, a suspension system and automobile body system components are connected, the shape of the auxiliary frame influences the single-product performance of the auxiliary frame, and further influences the operation stability of the whole automobile, but the cost is considered while the performance is improved, the application of aluminum alloy to the auxiliary frame is more and more common at present, and the high rigidity advantage of the aluminum alloy auxiliary frame is fully exerted on the premise of ensuring the optimal cost, so that the auxiliary frame is particularly important;

The existing aluminum alloy auxiliary frames in the market are various in variety, and have casting processes and extrusion processes, even casting and extrusion combined processes, but when the products are designed, the cost and the performance are difficult to be optimized, so that the feasibility of mass production of the auxiliary frames is reduced due to the fact that the cost and the performance are optimal.

Disclosure of utility model

The utility model aims to at least solve one of the technical problems in the prior art and provide a subframe structure and a vehicle.

The technical scheme adopted for solving the technical problems is as follows:

In a first aspect, an auxiliary frame structure, including front end first installing support, front end second installing support and front cross beam, front end first installing support includes front end first body installing support and the first installing support of front suspension, front end first body installing support and the first installing support of front suspension adopt aluminum alloy integrative preparation, front end second installing support includes front end second body installing support and the second installing support of front suspension, front end second body installing support and the second installing support of front suspension adopt aluminum alloy integrative preparation, front end first installing support be equipped with along the first slot of length direction extension of front cross beam, front end second installing support be equipped with along the second slot of length direction extension of front cross beam, the first end embedding of front cross beam first slot and with the first installing support welding of front end, the second end embedding of front cross beam the second slot and with the welding of front end second installing support.

With reference to the first aspect, in certain implementation manners of the first aspect, the front end first body mounting bracket is located on a side of the front end first body mounting bracket away from the front end second mounting bracket, the front end first body mounting bracket extends obliquely above the front end first mounting bracket, the front end first mounting bracket extends above the front end first mounting bracket, and a connecting rib is disposed between the front end first body mounting bracket and the front end first mounting bracket.

With reference to the first aspect and the foregoing implementation manners, in certain implementation manners of the first aspect, the front end second body mounting bracket is located on a side, away from the front end first mounting bracket, of the front end second body mounting bracket, the front end second body mounting bracket extends to an obliquely upper side of the front end second mounting bracket, the front end second mounting bracket extends to an upper side of the front end second mounting bracket, and a connecting rib is disposed between the front end second body mounting bracket and the front end second mounting bracket.

With reference to the first aspect and the foregoing implementation manner, in certain implementation manners of the first aspect, the front suspension first mounting bracket and the front suspension second mounting bracket each include a first support plate and a second support plate, a U-shaped groove-shaped space is formed between the first support plate and the second support plate, and a transverse reinforcing rib is arranged inside the U-shaped groove-shaped space.

With reference to the first aspect and the foregoing implementation manners, in certain implementation manners of the first aspect, the front first mounting bracket and the front second mounting bracket each include a front beam connection portion, where the front beam connection portion has a top wall plate, a side wall plate, and a bottom wall plate, and the top wall plate, the side wall plate, and the bottom wall plate define a first slot and a second slot that extend along a length direction of the front beam and are U-shaped.

With reference to the first aspect and the foregoing implementation manner, in certain implementation manners of the first aspect, the device further includes a front first longitudinal beam and a front second longitudinal beam, front bottoms of the front first longitudinal beam and the front second longitudinal beam are provided with a supporting portion extending forward, front ends of the front first longitudinal beam and the front second longitudinal beam define an L-shaped assembly groove through the supporting portion, the front first mounting bracket is assembled in the assembly groove of the front first longitudinal beam and welded with the front first longitudinal beam, and the front second mounting bracket is assembled in the assembly groove of the front second longitudinal beam and welded with the front second longitudinal beam.

With reference to the first aspect and the foregoing implementation manner, in certain implementation manners of the first aspect, a rear end of the front end first longitudinal beam is mounted on the middle first body support bracket, a rear end of the front end second longitudinal beam is mounted on the middle second body support bracket, rear ends of the front end first longitudinal beam and the front end second longitudinal beam are sunken than front ends, rear ends and front ends of the front end first longitudinal beam and the front end second longitudinal beam are connected through an inclined extension section, and crush holes are formed in two end surfaces of the inclined extension section.

With reference to the first aspect and the foregoing implementation manner, in certain implementation manners of the first aspect, the middle first body support bracket is provided with a first middle body mounting bracket extending upward, the middle second body support bracket is provided with a second middle body mounting bracket extending upward, and all of the middle first body support bracket, the middle second body support bracket, the first middle body mounting bracket and the second middle body mounting bracket are made of aluminum alloy and are internally provided with reinforcing ribs.

With reference to the first aspect and the foregoing implementation manners, in certain implementation manners of the first aspect, the middle first body support bracket and the middle second body support bracket are connected through a rear cross beam support bracket, a first end of the rear cross beam support bracket is provided with a rear first body support bracket, and a second end of the rear cross beam support bracket is provided with a rear second body support bracket.

In a second aspect, a vehicle includes a subframe structure according to any one of the embodiments of the first aspect.

In the technical scheme of the utility model, the first end of the front cross beam is embedded into the first slot of the front first mounting bracket and welded with the first slot, the second end of the front cross beam is embedded into the second slot of the front second mounting bracket and welded with the second slot, and the slots form wrapped fit, so that the contact area is increased, and the welding strength and the connecting rigidity are improved. Simultaneously, the first body installing support of front end and the first installing support of front suspension adopt integrative integrated form design, and the second installing support of front end second body and the second installing support of front suspension adopt integrative integrated form design, have effectively promoted the bulk strength between each structure of the first installing support of front end and the second installing support of front end. The utility model optimizes the structure aiming at the position with weak performance of the auxiliary frame, not only can improve the performance, but also can ensure that the cost is not increased, and effectively ensures that the designed auxiliary frame has mass production feasibility. The auxiliary frame of the structure is subjected to rigid simulation analysis, the analysis result is obviously higher than a reference target, and the operation stability performance evaluation exceeds that of similar competitive products through real vehicle verification.

Additional aspects and advantages of the utility model 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 utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic structural view of one embodiment of the subframe structure of the present utility model;

FIG. 2 is a front elevational view of the one embodiment illustrated in FIG. 1;

FIG. 3 is a side view of the structure of one embodiment shown in FIG. 1;

FIG. 4 is a top plan view of the structure of one embodiment shown in FIG. 1;

Fig. 5 is a bottom view of the structure of one embodiment shown in fig. 1.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

In the present utility model, if directions (up, down, left, right, front and rear) are described, they are merely for convenience of description of the technical solution of the present utility model, and do not indicate or imply that the technical features must be in a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the present utility model, "a plurality of" means one or more, and "a plurality of" means two or more, and "greater than", "less than", "exceeding", etc. are understood to not include the present number, and "above", "below", "within", etc. are understood to include the present number. In the description of the present utility model, the description of "first" and "second" if any is used solely for the purpose of distinguishing between technical features and not necessarily for the purpose of indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the present utility model, unless explicitly defined otherwise, terms such as "providing," "mounting," "connecting," and the like should be construed broadly, and may, for example, be directly connected or indirectly connected through an intermediate medium, or may be fixedly connected or may be detachably connected or may be integrally formed, or may be mechanically connected or may be electrically connected or may be capable of communicating with each other, or may be internal to two elements or may be in interaction with each other. The specific meaning of the words in the utility model can be reasonably determined by a person skilled in the art in combination with the specific content of the technical solution.

Wherein fig. 1, 3 and 5 show reference direction coordinate systems of embodiments of the present utility model, and the embodiments of the present utility model are described below with reference to the directions shown in fig. 1, 3 and 5.

Referring to fig. 1 and 2, an embodiment of the present utility model provides a subframe structure, including a front first mounting bracket 100, a front second mounting bracket 200 and a front cross member 300, where the front first mounting bracket 100 and the front second mounting bracket 200 are disposed at two ends of the front cross member 300, the front first mounting bracket 100 includes a front first body mounting bracket 101 and a front suspension first mounting bracket 102, the front first body mounting bracket 101 is used for connecting a front portion of a subframe with a vehicle body, the front suspension first mounting bracket 102 can be used for mounting a motor assembly on the subframe, the front first body mounting bracket 101 and the front suspension first mounting bracket 102 are integrally made of an aluminum alloy, the front second mounting bracket 200 is disposed in mirror image with the front first mounting bracket 100, the front second mounting bracket 200 includes a front second body mounting bracket 201 and a front second mounting bracket 202, the front second mounting bracket 201 is used for connecting a front portion of the subframe with the vehicle body, the front second mounting bracket 202 can be used for mounting the motor assembly on the subframe, and the like, the front first mounting bracket 103 is welded to the front first mounting bracket 200 and the front cross member 300 along a slot is formed by inserting the front mounting bracket 300, and the front second mounting bracket 300 is integrally welded to the front mounting bracket 200 along the front mounting bracket 300, and the front mounting bracket is disposed along the front second mounting bracket 300, and the front mounting bracket is welded to the front mounting bracket 300 along the front mounting slot is formed along the length of the front first mounting bracket 300.

Referring to fig. 1 and 2, in the technical solution of the present utility model, a first end of a front beam 300 is embedded in and welded to a first slot 103 of a front first mounting bracket 100, and a second end of the front beam 300 is embedded in and welded to a second slot 203 of a front second mounting bracket 200, and the slots form a wrapped fit, so that the contact area is increased, and the welding strength and the connection rigidity are improved. Meanwhile, the front first body mounting bracket 101 and the front suspension first mounting bracket 102 are integrally designed, and the front second body mounting bracket 201 and the front suspension second mounting bracket 202 are integrally designed, so that the overall strength between the front first mounting bracket 100 and the front second mounting bracket 200 is effectively improved. The utility model optimizes the structure aiming at the position with weak performance of the auxiliary frame, not only can improve the performance, but also can ensure that the cost is not increased, and effectively ensures that the designed auxiliary frame has mass production feasibility. The auxiliary frame of the structure is subjected to rigid simulation analysis, the analysis result is obviously higher than a reference target, and the operation stability performance evaluation exceeds that of similar competitive products through real vehicle verification.

In some embodiments, referring to fig. 1 and 2, the front first body mounting bracket 101 is located on a side of the front first body mounting bracket 102 away from the front second mounting bracket 200, the front first body mounting bracket 101 extends obliquely upward of the front first mounting bracket 100, the front first mounting bracket 102 extends upward of the front first mounting bracket 100, and a connecting rib 104 is provided between the front first body mounting bracket 101 and the front first mounting bracket 102, so as to further effectively improve the transverse rigidity of the mounting position.

In some embodiments, referring to fig. 1 and 2, the front second body mounting bracket 201 is located on a side of the front second body mounting bracket 202 away from the front first mounting bracket 100, the front second body mounting bracket 201 extends obliquely upward of the front second mounting bracket 200, the front second body mounting bracket 202 extends upward of the front second mounting bracket 200, and a connecting rib 204 is provided between the front second body mounting bracket 201 and the front second body mounting bracket 202, so as to further effectively improve the transverse rigidity of the mounting position.

Further, in some embodiments, referring to fig. 1 and 2, the front suspension first mounting bracket 102 and the front suspension second mounting bracket 202 each include a first support plate and a second support plate, a U-shaped groove space is formed between the first support plate and the second support plate, and transverse reinforcing ribs 105 and 205 are disposed inside the U-shaped groove space, so that transverse rigidity of the mounting position is further effectively improved.

In some embodiments, referring to fig. 1 and 2, the front first mounting bracket 100 and the front second mounting bracket 200 each include a front beam connection having top, side and bottom wall panels defining first and second slots 103, 203 extending along the length of the front beam 300 and being U-shaped. The first slot 103 and the second slot 203 having the U shape effectively wrap the first end and the second end of the front cross member 300, increase the contact area, and improve the welding strength and the connection rigidity.

In some embodiments, referring to fig. 1, 2 and 5, the subframe structure further includes a front first side member 401 and a front second side member 402, a front bottom portion of the front first side member 401 and the front second side member 402 is provided with a supporting portion 403 extending forward, and front ends of the front first side member 401 and the front second side member 402 define an L-shaped assembly groove through the supporting portion 403, and the front first mounting bracket 100 is assembled in the assembly groove of the front first side member 401 and welded to the front first side member 401, and the front second mounting bracket 200 is assembled in the assembly groove of the front second side member 402 and welded to the front second side member 402. The front ends of the front end first longitudinal beam 401 and the front end second longitudinal beam 402 form an L-shaped structure to be surrounded and connected in a welding mode, the contact area of the L-shaped assembly groove can be increased, the welding strength of the front end vehicle body mounting bracket and the front longitudinal beam is improved, and the connection rigidity is further improved.

Further, referring to fig. 3, the rear end of the front first longitudinal beam 401 is mounted on the middle first body support bracket 501, the rear end of the front second longitudinal beam 402 is mounted on the middle second body support bracket 502, the rear ends of the front first longitudinal beam 401 and the front second longitudinal beam 402 are sunk than the front ends, the rear ends and the front ends of the front first longitudinal beam 401 and the front second longitudinal beam 402 are connected through inclined extension sections, and the two end surfaces of the inclined extension sections are provided with crush holes. The rear ends of the front-end first longitudinal beam 401 and the front-end second longitudinal beam 402 sink to be approximately S-shaped compared with the front ends, the bending track of the longitudinal beam is used for reference by the shape, the collision bending effect is improved, the surface is provided with a crumple hole, the purpose is to facilitate bending at the crumple hole position, the installation center of gravity of the motor assembly is just at the rear end of the front longitudinal beam, the bending of the front longitudinal beam can drive the motor assembly to fall, and the safety of a vehicle cab is ensured.

In some embodiments, referring to fig. 1, 2 and 4, the intermediate first body support bracket 501 is provided with a first intermediate body mounting bracket 503 extending upward, the intermediate second body support bracket 502 is provided with a second intermediate body mounting bracket 504 extending upward, the first intermediate body mounting bracket 503 and the first intermediate body mounting bracket 503 are used for connecting with the vehicle body, and the intermediate first body support bracket 501, the intermediate second body support bracket 502, the first intermediate body mounting bracket 503 and the second intermediate body mounting bracket 504 are all made of aluminum alloy and are internally provided with reinforcing ribs. The other places are hollowed, and the connecting rigidity of the bracket can be improved by virtue of reasonable layout of the reinforcing ribs, and meanwhile, the weight can be obviously reduced.

Further, referring to fig. 1, 4 and 5, the middle first body support bracket 501 and the middle second body support bracket 502 are connected through the rear cross member support bracket 600, and the welding positions of the middle first body support bracket 501, the middle second body support bracket 502 and the rear cross member support bracket 600 are longer, so as to increase the contact area and improve the welding strength and the connection rigidity. The first end of the rear cross member support bracket 600 is provided with a rear first body support bracket 601, the second end of the rear cross member support bracket 600 is provided with a rear second body support bracket 602, and the rear first body support bracket 601 and the rear second body support bracket 602 are adapted to be connected to a vehicle body.

In addition, the rear cross beam support bracket 600 is provided with a steering machine mounting bracket 603, a rear suspension mounting bracket 604 and the like, the steering machine mounting bracket 603 and the rear suspension mounting bracket are provided with a plurality of reinforcing ribs, the rigidity of the bracket is improved, meanwhile, the redundant places are hollowed, the weight is obviously reduced, the heights of parts on the upper surface of the bracket are low, interference with peripheral mounting parts can be avoided, the structure is simplified, and the cost is reduced.

Embodiments of the present utility model also provide a vehicle including the subframe structure in any of the above embodiments.

In the description of the present specification, reference to the terms "example," "embodiment," or "some embodiments," 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. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The present utility model is, of course, not limited to the above-described embodiments, and one skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the utility model, and these equivalent modifications or substitutions are intended to be included in the scope of the present utility model as defined in the appended claims.

Claims (10)

1. The utility model provides a sub vehicle frame structure, its characterized in that, including front end first installing support, front end second installing support and front beam, front end first installing support includes front end first body installing support and the first installing support of front suspension, front end first body installing support and the first installing support of front suspension adopt aluminum alloy integrative preparation, front end second installing support includes front end second body installing support and the second installing support of front suspension, front end second body installing support and the second installing support of front suspension adopt aluminum alloy integrative preparation, front end first installing support be equipped with along the first slot of length direction extension of front beam, front end second installing support is equipped with the edge the second slot of length direction extension of front beam, the first end embedding of front beam first slot and with the first installing support welding of front end, the second end embedding of front beam second slot and with the welding of front end second installing support.

2. The subframe structure of claim 1, wherein said front first body mounting bracket is located on a side of said front first body mounting bracket remote from said front second mounting bracket, said front first body mounting bracket extends obliquely upward of said front first mounting bracket, said front first mounting bracket extends upward of said front first mounting bracket, and a connecting rib is provided between said front first body mounting bracket and said front first mounting bracket.

3. The subframe structure of claim 1, wherein said front second body mounting bracket is located on a side of said front second body mounting bracket remote from said front first mounting bracket, said front second body mounting bracket extends obliquely upward of said front second mounting bracket, said front second mounting bracket extends upward of said front second mounting bracket, and a connecting rib is provided between said front second body mounting bracket and said front second mounting bracket.

4. The subframe structure of claim 1, wherein the front suspension first mounting bracket and the front suspension second mounting bracket each comprise a first support plate and a second support plate, a U-shaped channel space is formed between the first support plate and the second support plate, and a transverse reinforcing rib is arranged inside the U-shaped channel space.

5. The subframe structure of claim 1, wherein the front first and second mounting brackets each comprise a front cross member connection having top, side and bottom wall panels defining first and second slots extending along the length of the front cross member and having a U-shape.

6. The subframe structure of claim 1, further comprising a front first side member and a front second side member, wherein front bottoms of the front first side member and the front second side member are provided with a support portion extending forward, front ends of the front first side member and the front second side member define an L-shaped fitting groove through the support portion, the front first mounting bracket is fitted in the front first side member fitting groove and welded to the front first side member, and the front second mounting bracket is fitted in the front second side member fitting groove and welded to the front second side member.

7. The subframe structure of claim 6 wherein the rear end of said front first side member is mounted to said intermediate first body support bracket, the rear end of said front second side member is mounted to said intermediate second body support bracket, the rear ends of said front first side member and said front second side member are depressed from the front ends, the rear ends and the front ends of said front first side member and said front second side member are connected by an inclined extension, and said inclined extension has crush holes formed in the surfaces of the two ends.

8. The subframe structure of claim 7 wherein said intermediate first body support bracket is provided with an upwardly extending first intermediate body mounting bracket, said intermediate second body support bracket is provided with an upwardly extending second intermediate body mounting bracket, said intermediate first body support bracket, intermediate second body support bracket, first intermediate body mounting bracket, second intermediate body mounting bracket are all made of an aluminum alloy and are internally provided with reinforcing ribs.

9. The subframe structure of claim 7, wherein said intermediate first body support bracket and said intermediate second body support bracket are connected by a rear cross member support bracket, a first end of said rear cross member support bracket being provided with a rear first body support bracket, and a second end of said rear cross member support bracket being provided with a rear second body support bracket.

10. A vehicle characterized by comprising the sub-frame structure according to any one of claims 1 to 9.