阅读说明：本技术 一种控制臂安装结构及车辆 (Control arm mounting structure and vehicle ) 是由 鲁慧 王明 刘德丰 许晓波 尹帅钧 于 2020-06-24 设计创作，主要内容包括：本发明公开了一种控制臂安装结构及车辆,属于汽车技术领域,控制臂安装结构包括：副车架,包括副车架本体和凸设于副车架本体上的固定耳；控制臂,包括控制臂衬套,控制臂衬套设置于副车架本体和固定耳之间；钢制垫片,控制臂衬套的衬套内管和固定耳之间,及衬套内管和副车架本体之间均设置有钢制垫片,钢制垫片包括垫片本体,垫片本体在其厚度方向的两侧均间隔设置有多个凸起；紧固件,能够依次穿过固定耳、一个钢制垫片、衬套内管和另一钢制垫片并伸入副车架本体。能够增加衬套内管和固定耳及衬套内管和副车架本体之间的摩擦力,提高控制臂和副车架的连接稳定性和承载能力；通过钢制垫片使副车架在受压时产生微小形变,避免造成副车架压溃损坏。(The invention discloses a control arm mounting structure and a vehicle, belonging to the technical field of automobiles, wherein the control arm mounting structure comprises: the auxiliary frame comprises an auxiliary frame body and fixing lugs convexly arranged on the auxiliary frame body; the control arm comprises a control arm bushing, and the control arm bushing is arranged between the auxiliary frame body and the fixing lug; the steel gaskets are arranged between the lining inner pipe and the fixing lug of the control arm lining and between the lining inner pipe and the auxiliary frame body, each steel gasket comprises a gasket body, and a plurality of bulges are arranged on the two sides of the gasket body in the thickness direction at intervals; the fastener can pass fixed ear, a steel gasket, bush inner tube and another steel gasket in proper order and stretch into sub vehicle frame body. The friction force between the lining inner pipe and the fixing lug and between the lining inner pipe and the auxiliary frame body can be increased, and the connection stability and the bearing capacity of the control arm and the auxiliary frame are improved; make sub vehicle frame produce small deformation when the pressurized through the steel gasket, avoid causing sub vehicle frame conquassation damage.)

1. A control arm mounting structure, characterized by comprising:

the auxiliary frame (1) comprises an auxiliary frame body (11) and fixing lugs (12) which are convexly arranged on the auxiliary frame body (11);

a control arm (2) including a control arm bushing (22), the control arm bushing (22) being disposed between the subframe body (11) and the fixing lug (12);

the steel gasket (3) is arranged between the bushing inner tube (221) of the control arm bushing (22) and the fixing lug (12) and between the bushing inner tube (221) and the auxiliary frame body (11), the steel gasket (3) comprises a gasket body (31), and a plurality of bulges (32) are arranged on two sides of the gasket body (31) in the thickness direction at intervals;

fastener (4), fastener (4) can pass in proper order fixed ear (12), one steel gasket (3), bush inner tube (221) and another steel gasket (3) and stretch into sub vehicle frame body (11), with the connection is fixed sub vehicle frame (1) with control arm (2).

2. The control arm mounting structure according to claim 1, wherein a linear groove (301) is formed between any two adjacent protrusions (32), and a predetermined included angle is formed between a side wall and a bottom wall of the linear groove (301), and the predetermined included angle is 98-102 °.

3. Control arm mounting arrangement according to claim 2, characterized in that the depth of the rectilinear groove (301) is greater than or equal to 0.1 mm.

4. The control arm mounting structure according to claim 1, wherein an area of the projection (32) parallel to a cross section of the shim body (31) is gradually reduced in a direction of extension of the projection (32) and away from the shim body (31).

5. The control arm mounting structure according to claim 1, wherein the fastening member (4) is a flange bolt, a through hole is formed in the fixing lug (12), a threaded hole is formed in the subframe body (11), and the flange bolt can pass through the through hole and be screwed into the threaded hole.

6. The control arm mounting structure according to claim 5, wherein a first mounting protrusion (121) is protruded from the fixing lug (12), the through hole penetrates through the first mounting protrusion (121), and the first mounting protrusion (121) has a first mounting surface (1211) capable of fitting with the steel gasket (3).

7. The control arm mounting structure according to claim 6, wherein the subframe body (11) has a second mounting boss (111) formed thereon, the screw hole penetrates the second mounting boss (111), and the second mounting boss (111) has a second mounting surface (1111) capable of being fitted to the steel shim (3).

8. Control arm mounting structure according to claim 1, characterized in that the protrusion (32) is of a cylindrical, hemispherical or polygonal prismatic structure.

9. The control arm mounting structure according to claim 1, wherein the subframe (1) is an aluminum subframe.

10. A vehicle characterized by comprising the control arm mounting structure according to any one of claims 1 to 9.

Technical Field

The invention relates to the technical field of automobiles, in particular to a control arm mounting structure and a vehicle.

Background

At present, the control arm and the sub vehicle frame of passenger car are connected, and for the joint strength and the connection stability of promotion control arm and sub vehicle frame, to the iron sub vehicle frame, can increase sharp tooth structure at the terminal surface of the bush inner tube of control arm bush usually, but to aluminium system sub vehicle frame, aluminium system sub vehicle frame can be by sharp tooth structure conquassation and the damage appears, influences the joint strength and the stability of control arm and sub vehicle frame.

Disclosure of Invention

The invention aims to provide a control arm mounting structure and a vehicle, and aims to solve the problem that an aluminum auxiliary frame in the prior art is damaged due to crushing of a tine tooth structure, and the connection strength and stability of a control arm and the auxiliary frame are affected.

As the conception, the technical scheme adopted by the invention is as follows:

a control arm mounting structure comprising:

the auxiliary frame comprises an auxiliary frame body and fixing lugs convexly arranged on the auxiliary frame body;

a control arm comprising a control arm bushing disposed between the subframe body and the fixing lug;

the steel gaskets are arranged between the lining inner pipe of the control arm lining and the fixing lug and between the lining inner pipe and the auxiliary frame body, each steel gasket comprises a gasket body, a plurality of bulges are arranged on the two sides of the gasket body in the thickness direction at intervals, and the top surfaces of the bulges are planes;

the fastener, the fastener can pass in proper order fixed ear, one the steel gasket bushing inner tube and another the steel gasket is and stretch into sub vehicle frame body to the connection is fixed sub vehicle frame with the control arm.

Further, a linear groove is formed between any two adjacent protrusions, a preset included angle is formed between the side wall and the bottom wall of the linear groove, and the preset included angle is 98-102 degrees.

Further, the depth of the linear groove is more than or equal to 0.1 mm.

Further, along the extending direction of the protrusion and the direction far away from the gasket body, the area of the cross section of the protrusion parallel to the gasket body is gradually reduced.

Further, the fastener is a flange face bolt, a penetrating hole is formed in the fixing lug, a threaded hole is formed in the auxiliary frame body, and the flange face bolt can penetrate through the penetrating hole and can be screwed into the threaded hole.

Further, fixed lug epirelief is equipped with first installation arch, the wear-to-establish hole runs through first installation arch, first installation arch have can with the first installation face that the steel gasket laminated mutually.

Furthermore, a second mounting protrusion is arranged on the auxiliary frame body, the threaded hole penetrates through the second mounting protrusion, and the second mounting protrusion is provided with a second mounting surface which can be attached to the steel gasket.

Further, the protrusions have a cylindrical structure, a hemispherical structure, or a polygonal prism structure.

Further, the subframe is an aluminum subframe.

Further, the present invention also provides a vehicle including the control arm mounting structure in any one of the above aspects.

The invention has the beneficial effects that:

according to the control arm mounting structure and the vehicle, the steel gasket is arranged, and the plurality of bulges are arranged on the two sides of the gasket body of the steel gasket at intervals in the thickness direction, so that on one hand, the friction coefficients between the lining inner tube and the fixing lug and between the lining inner tube and the auxiliary frame body can be increased, the friction force is increased, and the connection stability and the bearing capacity of the lining inner tube and the auxiliary frame are improved; on the other hand can make the sub vehicle frame produce small deformation when the pressurized through the steel gasket, avoid excessively extrudeing the sub vehicle frame and cause sub vehicle frame conquassation to damage.

Drawings

FIG. 1 is a partial schematic structural view of a control arm mounting structure provided by the present invention;

FIG. 2 is a schematic view, partially in section, of a control arm mounting structure provided by the present invention;

FIG. 3 is a schematic structural view of a steel gasket provided by the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3 at A;

FIG. 5 is a schematic cross-sectional view of a projection provided by the present invention.

In the figure:

1. an auxiliary frame; 11. a subframe body; 111. a second mounting boss; 1111. a second mounting surface; 12. fixing the ear; 121. a first mounting boss; 1211. a first mounting surface; 2. a control arm; 21. a control arm body; 22. a control arm bushing; 221. a bushing inner tube; 222. a vulcanized rubber structure; 223. a bushing outer tube; 3. a steel gasket; 31. a gasket body; 32. a protrusion; 301. a linear groove; 4. a fastener.

Detailed Description

In order to make the technical problems solved, the technical solutions adopted and the technical effects achieved by the present invention clearer, the technical solutions of the present invention are further described below by way of specific embodiments with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the elements associated with the present invention are shown in the drawings.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; 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 in specific cases to those skilled in the art.

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.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

As shown in fig. 1 to 5, the present embodiment provides a control arm mounting structure including a subframe 1, a control arm 2, a steel pad 3, and a fastener 4. Wherein, sub vehicle frame 1 includes sub vehicle frame body 11 and the protruding fixed ear 12 of locating on sub vehicle frame body 11, and sub vehicle frame body 11 of sub vehicle frame 1 is the common structure in current sub vehicle frame 1, and no longer the repeated description here. The control arm 2 includes a control arm body 21 and a control arm bushing 22, the control arm bushing 22 is connected to the control arm body 21, the control arm bushing 22 is disposed between the subframe body 11 and the fixing lug 12, and the control arm body 21 is a common structure of the existing control arm 2 and is not described herein again.

The control arm bushing 22 includes a bushing inner tube 221, a vulcanized rubber structure 222, and a bushing outer tube 223, which are sequentially arranged from inside to outside. In this embodiment, the liner inner tube 221 is a steel liner inner tube and the liner outer tube 223 is an aluminum liner outer tube, but in other embodiments, the liner inner tube 221 may be an aluminum liner inner tube. The steel gasket 3 is provided between the bushing inner tube 221 and the fixing lug 12 of the control arm bushing 22 and between the bushing inner tube 221 and the subframe body 11, the steel gasket 3 includes a gasket body 31, and a plurality of protrusions 32 are provided on both sides of the gasket body 31 in the thickness direction thereof at intervals. The fastening member 4 can penetrate through the fixing lug 12, one steel gasket 3, the bushing inner tube 221, the other steel gasket 3 and extend into the subframe body 11 to connect and fix the subframe 1 and the control arm 2.

In the present embodiment, the subframe 1 is an aluminum subframe, but in other embodiments, the subframe 1 may be a steel subframe.

It can be understood that, by providing the steel gasket 3, the gasket body 31 of the steel gasket 3 is provided with the plurality of protrusions 32 at intervals on both sides in the thickness direction thereof, so that on one hand, the friction coefficient between the bushing inner tube 221 and the fixing lug 12 and between the bushing inner tube 221 and the subframe body 11 can be increased, thereby increasing the friction force and improving the connection stability and the bearing capacity of the control arm 2 and the subframe 1. On the other hand can make sub vehicle frame 1 produce small deformation when the pressurized through steel gasket 3, avoid excessively extrudeing sub vehicle frame 1 and cause sub vehicle frame 1 crushing damage.

Further, in this embodiment, the fastening member 4 is a flange bolt, a through hole is formed in the fixing lug 12, a threaded hole is formed in the subframe body 11, the flange bolt can sequentially pass through the through hole, one steel gasket 3, the bushing inner tube 221, the other steel gasket 3 and be screwed into the threaded hole, and the flange bolt simultaneously passes through the two steel gaskets 3 and the bushing inner tube 221, so that the control arm bushing 22 and the subframe 1 are fixedly connected. By adopting the flange bolt, the contact area between the flange bolt and the auxiliary frame 1 can be increased, and the fixed lug 12 is prevented from being damaged.

As shown in fig. 2, in the present embodiment, a first mounting protrusion 121 is protruded from the fixing lug 12, the through hole penetrates the first mounting protrusion 121, and the first mounting protrusion 121 has a first mounting surface 1211 capable of being attached to the steel gasket 3. The subframe body 11 has a second mounting protrusion 111, a screw hole penetrates the second mounting protrusion 111, and the second mounting protrusion 111 has a second mounting surface 1111 that can be attached to the steel gasket 3. The first mounting protrusion 121 can enhance the structural strength of the fixing lug 12, and the second mounting protrusion 111 can enhance the structural strength of the subframe body 11, thereby improving the connection stability between the subframe 1 and the control arm bushing 22. By providing the first mounting surface 1211 and the second mounting surface 1111, the contact area with the steel gasket 3 can be increased, and damage to the fixing lug 12 and the subframe 1 can be avoided.

As shown in fig. 4 and 5, in the present embodiment, a linear groove 301 is formed between any two adjacent protrusions 32, and a predetermined included angle is formed between a side wall and a bottom wall of the linear groove 301, and the predetermined included angle is 98 ° to 102 °. It is understood that the linear groove 301 is a trapezoidal groove, the side wall of the linear groove 301 is the side wall of the corresponding protrusion 32, and the bottom wall of the linear groove 301 is the gasket body 31. Further, it is also understood that the area of the projection 32 parallel to the cross section of the gasket body 31 gradually decreases in the extending direction of the projection 32 and away from the gasket body 31. Specifically, in the present embodiment, the protrusion 32 is a trapezoidal quadrangular prism, but in other embodiments, the protrusion 32 may also be a triangular prism, a straight quadrangular prism, or a cylinder. Through setting up arch 32 into trapezoidal quadrangular, can weaken protruding 32 to the extrusion strength of sub vehicle frame 1, guarantee simultaneously again that protruding 32 has sufficient structural strength, and then guarantee that sub vehicle frame 1 can produce small deformation and unlikely conquassation.

Further, in this embodiment, the depth h of the annular groove 301 is less than or equal to 0.1mm, so as to match with the preset included angle, so that the auxiliary frame 1 can deform when the protrusion 32 extrudes the auxiliary frame 1, and the protrusion 32 has sufficient structural strength.

Further, in the present embodiment, a cross section of the protrusion 32 parallel to the gasket body 31 is a square cross section, wherein a length of the square cross section with the largest area is equal to or less than 0.6mm, and a width of the square cross section with the largest area is equal to or less than 0.6 mm. Further, the minimum width of the linear groove 301 is greater than or equal to 0.2mm, and it can be understood that the distance between the ends of two adjacent protrusions 32, which are connected with the gasket body 31, is greater than or equal to 0.2 mm.

In summary, in the control arm connection structure provided in this embodiment, by providing the steel gasket 3, the steel gasket 3 is provided with the plurality of protrusions 32 at intervals on both sides in the thickness direction thereof, so that on one hand, friction coefficients between the bushing inner tube 221 and the fixing lug 12 and between the bushing inner tube 221 and the subframe body 11 can be increased, thereby increasing friction force and improving connection stability and bearing capacity of the bushing inner tube 221 and the subframe 1; on the other hand can make sub vehicle frame 1 produce small deformation when the pressurized through steel gasket 3, avoid extrudeing sub vehicle frame 1 and cause sub vehicle frame 1 crushing damage.

The embodiment also provides a vehicle comprising the control arm connecting structure.

The foregoing embodiments are merely illustrative of the principles and features of this invention, which is not limited to the above-described embodiments, but rather is susceptible to various changes and modifications without departing from the spirit and scope of the invention, which changes and modifications are within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.