阅读说明：本技术 一种副车架及车辆 (Auxiliary frame and vehicle ) 是由 韦文杰 申文彬 黄东杰 陈锐 刘洋 王芳 黄启明 李武泉 于 2021-08-18 设计创作，主要内容包括：本发明公开了一种副车架及车辆,副车架包括安装架、以及两个分别设于安装架两侧的摆臂；摆臂的第一端与安装架的前端枢接,摆臂的第二端沿安装架的前端往后端的方向上逐渐向外延伸,摆臂上位于其第一端与第二端之间的位置处形成有紧固部,安装架形成有紧固槽,紧固槽具有用于供紧固部插入紧固槽中的连接口,连接口的外周边缘上形成有翻边；还包括紧固件,紧固件依次穿设于安装架及紧固部,安装架上位于紧固槽的两侧分别开设有供紧固件穿过的通孔,连接口上靠近通孔的边缘上开设有第一撕裂口,通孔的内壁上开设有第二撕裂口。当车辆前端发生碰撞时,安装架沿第一撕裂口发生撕裂,避免了位于摆臂的第二端上的轮胎及钢圈撞击车辆的前围。(The invention discloses an auxiliary frame and a vehicle, wherein the auxiliary frame comprises an installation frame and two swing arms respectively arranged on two sides of the installation frame; the first end of the swing arm is pivoted with the front end of the mounting frame, the second end of the swing arm gradually extends outwards along the direction from the front end to the rear end of the mounting frame, a fastening part is formed on the swing arm at a position between the first end and the second end of the swing arm, a fastening groove is formed in the mounting frame, the fastening groove is provided with a connecting port for inserting the fastening part into the fastening groove, and a flanging is formed on the peripheral edge of the connecting port; still include the fastener, the fastener wears to locate mounting bracket and fastening portion in proper order, and the through-hole that supplies the fastener to pass is seted up respectively to the both sides that lie in fastening groove on the mounting bracket, has seted up first tearing notch on being close to the edge of through-hole on the connector, has seted up the second tearing notch on the inner wall of through-hole. When the vehicle front end bumps, the mounting bracket tears along first tearing mouthful emergence, has avoided being located the tire of the second end of swing arm and preceding of steel ring striking vehicle to enclose.)

1. The auxiliary frame is characterized by comprising an installation frame and two swing arms respectively arranged on two sides of the installation frame; the first end of the swing arm is pivoted with the front end of the mounting frame, the second end of the swing arm gradually extends outwards along the direction from the front end to the rear end of the mounting frame, a fastening part is formed on the swing arm at a position between the first end and the second end of the swing arm, a fastening groove is formed on the mounting frame, the fastening groove is provided with a connecting port for inserting the fastening part into the fastening groove, and a flanging is formed on the peripheral edge of the connecting port;

the fixing device is characterized by further comprising a fastening piece, the fastening piece sequentially penetrates through the mounting frame and the fastening portion, through holes for the fastening piece to penetrate through are formed in the two sides of the fastening groove on the mounting frame respectively, a first tearing opening is formed in the edge, close to the through hole, of the connecting opening, a second tearing opening is formed in the inner wall of the through hole, and the tearing direction of the first tearing opening is the same as that of the second tearing opening.

2. The subframe of claim 1 wherein said first tear opening has a tear direction that is horizontal.

3. The subframe of claim 1 wherein said fastening portion defines a through-hole for said fastener to pass through.

4. The subframe of claim 1 wherein a knuckle is attached to a second end of said swing arm.

5. The subframe of claim 1 wherein said swing arm is an arcuate sheet metal member.

6. The subframe of claim 1 wherein said fasteners are bolts.

7. The subframe of any one of claims 1-6 further including two link arms disposed on opposite sides of said mounting bracket.

8. A vehicle comprising a subframe according to any one of claims 1 to 7.

Technical Field

The invention relates to the technical field of vehicles, in particular to an auxiliary frame and a vehicle.

Background

The sub-frame of an automobile is an axle assembly formed by suspension components such as axles, axles and differentials, and the sub-frame is connected with a main frame through rigid or flexible (rubber or hydraulic gaskets) to form a complete frame. The auxiliary frame is used for isolating vibration and noise, so that the vibration and the noise of the automobile chassis are prevented from directly entering a carriage, and the comfort of a user is improved.

However, when the front end of the vehicle collides, the sub-frame deforms after receiving a large impact force, and the deformation or displacement of the sub-frame can cause the tire and the steel ring to impact the front wall of the vehicle, so that the cab is extruded, and the driver is injured greatly. Therefore, in the prior art, the invasion amount of the tire and the steel ring to the front wall is reduced by adopting the modes of engine falling, subframe falling, weakening the rigidity of a steel ring spoke and the like so as to reduce the injury of the front wall to a driver. However, the above-described method merely reduces the amount of the tire and the rim that intrudes into the front wall, and the problem of the amount of the tire and the rim that intrudes into the front wall of the vehicle cannot be solved at the root, and the front wall that intrudes after the collision still causes a certain damage to the driver.

Disclosure of Invention

The invention aims to provide a subframe which can prevent a tire and a steel ring from impacting a front wall of a vehicle to extrude a cab space when the front end of the vehicle is collided, and prevent the front wall of the vehicle from damaging a driver.

In order to achieve the purpose, the invention provides an auxiliary frame which comprises a mounting frame and two swing arms respectively arranged on two sides of the mounting frame; the first end of the swing arm is pivoted with the front end of the mounting frame, the second end of the swing arm gradually extends outwards along the direction from the front end to the rear end of the mounting frame, a fastening part is formed on the swing arm at a position between the first end and the second end of the swing arm, a fastening groove is formed on the mounting frame, the fastening groove is provided with a connecting port for inserting the fastening part into the fastening groove, and a flanging is formed on the peripheral edge of the connecting port;

the fixing device is characterized by further comprising a fastening piece, the fastening piece sequentially penetrates through the mounting frame and the fastening portion, through holes for the fastening piece to penetrate through are formed in the two sides of the fastening groove on the mounting frame respectively, a first tearing opening is formed in the edge, close to the through hole, of the connecting opening, a second tearing opening is formed in the inner wall of the through hole, and the tearing direction of the first tearing opening is the same as that of the second tearing opening.

In some embodiments, the tear direction of the first tear opening is a horizontal direction.

In some embodiments, the fastening portion defines a through hole for the fastener to pass through.

In some embodiments, a knuckle is connected to a second end of the swing arm.

In some embodiments, the swing arm is an arc-shaped sheet metal part.

In some embodiments, the fastener is a bolt.

In some embodiments, the mounting bracket further comprises two connecting arms respectively arranged at two sides of the mounting bracket.

Compared with the prior art, the auxiliary frame has the beneficial effects that:

when the vehicle front end bumps, the mounting bracket can receive great impact force in the twinkling of an eye to make the mounting bracket take place to tear along first tearing tear, fastening portion no longer receives the fastener restraint after tearing first tearing tear and second tearing tear, make the second end atress of swing arm can rotate around the first end of swing arm, thereby avoided being located the preceding of the second of swing arm end tire and steel ring striking vehicle and enclosed, and then avoided the injury in order to reduce the driver to cockpit space extrusion.

In addition, the invention also provides a vehicle comprising the auxiliary frame.

Drawings

FIG. 1 is a top view of a subframe according to some embodiments of the invention;

FIG. 2 is a schematic illustration of a portion of a subframe according to some embodiments of the present invention;

FIG. 3 is a second schematic partial structural view of a subframe according to some embodiments of the invention;

FIG. 4 is a partial structural schematic view of a mount of some embodiments of the present invention;

in the figure, 1, a mounting frame; 11. a fastening groove; 111. a connecting port; 12. flanging; 13. a through hole; 14. a first tear opening; 15. a second tear opening; 2. swinging arms; 21. a fastening section; 3. a fastener; 4. a connecting arm; 5. a steering knuckle.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Referring to fig. 1 to 4, some embodiments of the present invention provide a subframe, which includes a mounting frame 1 and two swing arms 2 respectively disposed at two sides of the mounting frame 1; the first end of the swing arm 2 is pivoted with the front end of the mounting frame 1, the second end of the swing arm 2 gradually extends outwards along the direction from the front end to the rear end of the mounting frame 1, a fastening part 21 is formed at a position, between the first end and the second end, of the swing arm 2, a fastening groove 11 is formed in the mounting frame 1, the fastening groove 11 is provided with a connecting port 111 for inserting the fastening part 21 into the fastening groove 11, and a flange 12 is formed on the peripheral edge of the connecting port 111; still include fastener 3, fastener 3 wears to locate mounting bracket 1 and fastening portion 21 in proper order, and the through-hole 13 that supplies fastener 3 to pass is seted up respectively to the both sides that lie in fastening groove 11 on the mounting bracket 1, has seted up first tearing notch 14 on the edge that is close to through-hole 13 on the connector 111, has seted up second tearing notch 15 on the inner wall of through-hole 13, and the direction of tearing of first tearing notch 14 is the same with the direction of tearing of second tearing notch 15.

Wherein, the second end of swing arm 2 is connected with knuckle 5, and knuckle 5 is used for connecting tire and rim, realizes the purpose to the turning to of tire and rim.

Based on above-mentioned scheme, when the vehicle front end bumps, mounting bracket 1 can receive great impact force in the twinkling of an eye, so that mounting bracket 1 takes place to tear along first tearing tear notch 14, fastening portion 21 no longer receives the restraint of fastener 3 after first tearing tear notch 14 after tearing and second tearing notch 15 intercommunication, make the second end atress of swing arm 2 can take place to rotate around the first end of swing arm 2, thereby avoided being located the preceding of the second end tire of swing arm 2 and steel ring striking vehicle and enclosed, and then avoided the injury in order to reduce the driver to cockpit space extrusion.

Wherein, second tear mouth 15 plays the guide effect to make mounting bracket 1 tear the back along the direction of tearing of first tear mouth 14 and be connected with through-hole 13, and then released fastener 3 and to the restriction of fastening portion 21, so that the second end of swing arm 2 can rotate around first end, has avoided the preceding of tire and rim striking vehicle to enclose. The flanges 12 are used to improve the structural strength of the peripheral edge of the connecting port 111, so that the structure of the peripheral edge of the connecting port 111 is not changed and the first tearing port 14 is torn by the force after the mounting bracket 1 is subjected to the instant impact force.

In some embodiments of the present invention, the tear direction of the first tear opening 14 is a horizontal direction. Since the vehicle front end is subjected to a collision force in the horizontal direction in most cases, the tearing direction of the first tearing opening 14 is set to be horizontal to improve the tearing efficiency, thereby ensuring that the first tearing opening 14 can tear to the inner wall of the through hole 13. In other embodiments, the tearing direction of the first tearing opening 14 can be a vertical direction or an inclined direction, which is not limited herein.

It is understood that one or more first tearing openings 14 can be arranged on the connecting opening 111, which is not limited herein and can be designed adaptively according to actual use situations.

Further, the fastening portion 21 is opened with a through hole through which the fastening member 3 passes. The fastening part 21 is fastened in the fastening slot 11 after the fastening part 3 passes through the through hole 13 and the through hole in sequence, so that the second end of the swing arm 2 is prevented from rotating around the first end of the swing arm 2 during the normal running of the vehicle. Wherein, fastener 3 is the bolt, and the assembly is convenient, and firm reliable.

In some embodiments, the swing arm 2 is an arc-shaped sheet metal part.

In the embodiment of the present invention, the subframe of the present embodiment further includes two connecting arms 4 respectively disposed at two sides of the mounting frame 1. The connecting arm 4 is used to connect other parts of the subframe for fixing the subframe and the main frame to each other.

To sum up, the embodiment of the present invention provides a subframe, when a collision occurs at a front end of a vehicle, a large instant impact force is applied to a mounting frame 1, so that the mounting frame 1 is torn along a first tearing opening 14, and when the torn first tearing opening 14 is communicated with a second tearing opening 15, a fastening portion 21 is no longer constrained by a fastening member 3, so that a second end of a swing arm 2 is stressed to rotate around a first end of the swing arm 2, thereby preventing a tire and a steel ring located at the second end of the swing arm 2 from impacting a front wall of the vehicle, and further preventing a cabin space from being extruded to reduce a driver's injury.

In addition, the invention also provides a vehicle which comprises the auxiliary frame.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean 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 invention. In this specification, the schematic representations of the terms used above do 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.

While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.