WO2022068791A1 - 副车架安装结构和汽车 - Google Patents

副车架安装结构和汽车 Download PDF

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Publication number
WO2022068791A1
WO2022068791A1 PCT/CN2021/121226 CN2021121226W WO2022068791A1 WO 2022068791 A1 WO2022068791 A1 WO 2022068791A1 CN 2021121226 W CN2021121226 W CN 2021121226W WO 2022068791 A1 WO2022068791 A1 WO 2022068791A1
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WO
WIPO (PCT)
Prior art keywords
mounting
support arm
subframe
annular protrusion
sleeve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2021/121226
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English (en)
French (fr)
Inventor
鄢子超
孟凡亮
周鸣昊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chery Automobile Co Ltd
Original Assignee
Chery Automobile Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chery Automobile Co Ltd filed Critical Chery Automobile Co Ltd
Publication of WO2022068791A1 publication Critical patent/WO2022068791A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted

Definitions

  • the present disclosure relates to the field of automobiles, and in particular, to a subframe mounting structure and an automobile.
  • the subframe of the car is an important component of the chassis system of the car, which is used to connect the suspension system and the body.
  • the connection between the subframe and the vehicle body is achieved through the subframe mounting structure.
  • the suspension system will cause various impacts to the subframe. After the subframe absorbs a part of the load force, it transmits the remaining load force to the body, thus avoiding the occurrence of excessive load force on the body. damage.
  • the embodiments of the present disclosure provide a sub-frame mounting structure and an automobile, so that the connection between the sub-frame and the vehicle body is more secure.
  • the technical solution is as follows:
  • the present disclosure provides a sub-frame mounting structure, the sub-frame mounting structure comprising:
  • an installation sleeve which penetrates through the opposite two sides of the installation body and the cavity, the installation sleeve is fixedly connected with the installation body, and the installation sleeve has an installation for installing the sub-frame to the chassis of the vehicle body hole;
  • At least one end of the installation sleeve has a ring of annular protrusions, and the annular protrusions are fixedly connected with the installation body.
  • one end of the mounting sleeve facing the vehicle chassis has the annular protrusion, and the annular protrusion is fixedly connected to the side of the mounting body facing the vehicle chassis.
  • a side of the annular protrusion facing the chassis of the vehicle body has a knurled pattern.
  • the installation body includes:
  • a groove-shaped second mounting plate having a second groove opposite to the first groove
  • first mounting plate is connected to the second mounting plate oppositely, and the first groove and the second groove constitute the cavity.
  • the first mounting plate is located between the second mounting plate and the vehicle body chassis
  • the edge of the first mounting plate has a first flange, the first flange faces the body chassis, the mounting body has an opening, and in the vertical direction, the opening is located below the first flange .
  • the sub-frame mounting structure further includes:
  • the positioning pin is fixedly connected with the installation body, and one end of the positioning pin protrudes from the side of the installation body facing the vehicle chassis.
  • the sub-frame mounting structure further includes:
  • An installation bracket is used for connecting the installation main body and the vehicle longitudinal beam, and the installation main body is located between the installation bracket and the vehicle longitudinal beam.
  • one end of the installation bracket has an annular boss, and the annular boss is located on a side of the installation bracket away from the installation body.
  • the mounting bracket is a plate-like structure, and an edge of the mounting bracket has a second flange, and the second flange faces a side away from the vehicle body chassis.
  • the present disclosure provides a sub-frame mounting structure, comprising: a mounting body and a mounting sleeve;
  • the installation body has a cavity in it;
  • the mounting sleeve penetrates through two opposite sides of the mounting body and the cavity, the mounting sleeve has a mounting hole for mounting the sub-frame to the vehicle body, and at least one end of the mounting sleeve has an annular protrusion , the annular protrusion is connected with the installation body.
  • an end of the mounting sleeve facing the vehicle body has the annular protrusion
  • the first surface of the annular protrusion is connected with the side of the mounting body facing the vehicle body, and the second surface of the annular protrusion is used for connecting with the vehicle body.
  • an end of the mounting sleeve facing away from the vehicle body has the annular protrusion
  • the first surface of the annular protrusion is connected with the side of the mounting body facing away from the vehicle body, and the second surface of the annular protrusion is used for connecting with the vehicle body.
  • the second surface of the annular protrusion has a knurled pattern
  • the knurled pattern extends around the mounting hole.
  • the installation body includes: a first body and a second body;
  • the first body is connected with the second body to form the cavity
  • the annular protrusion is connected to the outer wall of the first body.
  • an outer edge of the first body has a first flange
  • the outer edge of the second body has a second flange, and the second flange is connected with the first flange;
  • the second flange has an opening.
  • it further includes: a positioning pin
  • the first end of the positioning pin is connected to the side of the mounting body facing the vehicle body, and the second end of the positioning pin protrudes from the side of the mounting body facing the vehicle body.
  • the method further includes: a mounting bracket;
  • the mounting bracket is located on the side of the mounting body facing away from the vehicle body, a first part of the mounting bracket is connected with the mounting body, and a second part of the mounting bracket is used for connecting with the vehicle body.
  • the mounting bracket includes a first support arm and a second support arm
  • the first end of the first support arm is connected with the first end of the second support arm, and there is an included angle between the first support arm and the second support arm, and the first support arm and the second support arm have an included angle.
  • the connection part of the second arm is connected with the installation body;
  • Both the second end of the first support arm and the second end of the second support arm are used for connecting with the vehicle body.
  • the mounting bracket further includes an annular boss
  • the annular boss is located in the connection area between the first support arm and the second support arm, and is located on the side of the mounting bracket away from the mounting body.
  • the mounting bracket further includes a third flange
  • the third flange extends along the outer edges of the first support arm and the second support arm, and is located on the side of the mounting bracket away from the mounting body.
  • an embodiment of the present disclosure further provides an automobile, which includes the subframe mounting structure described in any one of the foregoing aspects.
  • the mounting body is used for connecting with the body of the automobile, the mounting sleeve penetrates through two opposite sides of the mounting body, and the mounting sleeve has mounting holes.
  • the mounting holes can be used in cooperation with mounting bolts, for example, the mounting bolts pass through
  • the mounting holes are connected with nuts on the body to connect the subframe to the body. Because one end of the installation sleeve has an annular protrusion, and the annular protrusion is fixedly connected with the installation body, the annular protrusion increases the connection area between the installation sleeve and the installation body, and increases the firmness of the connection between the installation sleeve and the installation body, thereby Increased stability of the mounting sleeve.
  • the mounting bolts pass through the mounting sleeves, which increases the stability of the mounting bolts, thereby increasing the firmness of the connection between the vehicle chassis and the subframe.
  • the stability of the mounting sleeve is increased, thereby increasing the stability of the mounting bolts in the mounting sleeve, so that the connection between the subframe and the vehicle body is firmer.
  • the loose connection between the subframe and the body is avoided, the comfort of the whole vehicle is improved, and the incidence of accidents is reduced.
  • FIG. 1 is a schematic structural diagram of a sub-frame mounting structure provided by an embodiment of the present disclosure
  • FIG. 2 is a schematic structural diagram of an installation sleeve provided by an embodiment of the present disclosure
  • FIG. 3 is a bottom view of the connection between a mounting bracket and a mounting body provided by an embodiment of the present disclosure
  • FIG. 4 is a schematic structural diagram of a mounting bracket provided by an embodiment of the present disclosure.
  • the subframe of the car is an important component of the chassis system of the car, which is used to connect the suspension system and the body.
  • a sleeve is arranged on the sub-frame, a cavity is arranged in the sub-frame, the sleeve penetrates the opposite sides and the cavity of the sub-frame, a fastening bolt is arranged in the sleeve, and the sheet metal of the chassis is welded.
  • the nut is used to connect the subframe and the body chassis through the cooperation of the bolt and the nut.
  • FIG. 1 is a schematic structural diagram of a sub-frame mounting structure provided by an embodiment of the present disclosure.
  • the subframe mounting structure 100 includes a mounting body 10 and a mounting sleeve 20 .
  • the mounting body 10 has a cavity therein.
  • the mounting sleeve 20 penetrates through opposite sides of the mounting body 10 and the cavity A, the mounting sleeve 20 has a mounting hole 21 for mounting the sub-frame to the vehicle body, and at least one end of the mounting sleeve 20 has a ring of annular protrusions 201 , the annular protrusion 201 is connected with the mounting body 10 .
  • the mounting body 10 is used for connecting with the body of the automobile, the mounting sleeve 20 penetrates through two opposite sides of the mounting body 10 , and the mounting sleeve 20 has mounting holes 21 , and the mounting holes 21 can be used in cooperation with mounting bolts
  • the mounting bolts pass through the mounting holes 21 and are connected with nuts on the vehicle body to connect the subframe and the vehicle body. Since one end of the mounting sleeve 20 has an annular protrusion 201, and the annular protrusion 201 is fixedly connected with the mounting body 10, the annular protrusion 201 increases the connection area between the mounting sleeve 20 and the mounting body 10, and increases the number of the mounting sleeve 20 and the mounting body 10.
  • the firmness of the connection of the mounting body 10 increases the stability of the mounting sleeve 20 .
  • the mounting bolts pass through the mounting sleeve 20, which increases the stability of the mounting bolts, thereby increasing the firmness of the connection between the vehicle chassis and the subframe.
  • the stability of the mounting sleeve 20 is increased, thereby increasing the stability of the mounting bolts in the mounting sleeve 20, so that the connection between the subframe and the vehicle body is firmer.
  • the loose connection between the subframe and the body is avoided, the comfort of the whole vehicle is improved, and the incidence of accidents is reduced.
  • the mounting body 10 has the cavity A, which can reduce the weight of the mounting body 10, thereby reducing the weight of the vehicle.
  • the noise generated during the operation of the engine of the car will be transmitted to the body through the air in the cavity A, which can reduce the noise.
  • the energy lost in the transmission of sound in the air is relatively large, that is, the cavity A can reduce the transmission of noise to the vehicle body, reduce the noise caused by the vibration of the engine and the road, and improve the silence level in the car cabin.
  • the installation sleeve 20 needs to penetrate the cavity A, so that the connection firmness between the installation body 10 and the installation sleeve 20 is reduced.
  • the distance between the opposite sides of the mounting body 10 is relatively large, which makes the bolts longer (that is, the length in the vertical direction is relatively large).
  • the installation body 10 is deformed, which affects the safety of the vehicle.
  • the annular protrusion 201 is arranged to increase the firmness of the connection between the installation sleeve 20 and the installation body 10 . In the case of reducing the weight of the vehicle, the firmness of the connection between the mounting sleeve 20 and the mounting body 10 can be ensured, thereby ensuring the firmness of the connection between the sub-frame and the vehicle body.
  • the mounting body 10 can reduce the load force transmitted by the suspension system to the vehicle body, reduce the shaking of the vehicle body, and increase the driving comfort.
  • the suspension system When the car is driving on various roads, the suspension system will cause various impacts to the body. Over time, it will cause various deformations due to uneven force. However, under the action of the subframe, it can replace the body to withstand such stress
  • the deformation of the frame such as load bending, non-horizontal twisting, lateral bending and horizontal diamond twisting can improve the torsion resistance of the body, and it will be directly stressed in the event of a collision, thereby improving the safety performance of the entire vehicle in the event of a collision.
  • the mounting structure of the subframe is a part of the subframe.
  • the subframe may be a stainless steel subframe or an aluminum subframe, that is, the material of the mounting structure of the subframe may be stainless steel or aluminum.
  • the subframe can also be made of other materials, which is not limited in the present disclosure.
  • the installation body 10 includes: a first body 101 and a second body 102 .
  • the first body 101 has a first groove
  • the second body 102 has a second groove opposite to the first groove.
  • the first groove and the second groove constitute the cavity A.
  • the annular protrusion 201 is connected to the outer wall of the first body 101 .
  • Both the first body 101 and the second body 102 have grooves. After the first body 101 and the second body 102 are connected oppositely, the edges of the first body 101 and the second body 102 are connected to each other, so that the first body 101 and the second body 102 are connected to each other.
  • the second main body 102 forms a boxed structure, that is, forms a cavity A for installing the main body 10 .
  • the cavity A for installing the main body 10 is formed by the first groove of the first main body 101 and the second groove of the second main body 102 , which is more convenient.
  • the first body 101 and the second body 102 may be welded together by lap welding to ensure the connection strength of the first body 101 and the second body 102 and the strength of the installation body 10 .
  • the separation between the first main body 101 and the second main body 102 is avoided, which affects the strength of the installation main body 10, avoids accidents during the driving of the vehicle, and reduces the occurrence rate of accidents.
  • the inner sidewall of the second groove of the second body 102 is fitted with the outer sidewall of the first groove of the first body 101, that is, the second body 102 wraps the first body 101, and then the first body 101 and the The second body 102 is welded.
  • first body 101 and the second body 102 may also be welded together in the form of butt welding. That is, the edge of the second groove of the second body 102 is completely opposite to the edge of the first groove of the first body 101 , and then the edges of the grooves of the first body 101 and the second body 102 are welded together.
  • the sub-frame mounting structure 100 is further provided with welding positioning holes 106 , and both the first main body 101 and the second main body 102 have one-to-one corresponding welding positioning holes 106 .
  • One-to-one welding positioning holes 106 are arranged on the first body 101 and the second body 102.
  • the positioning holes on the first body 101 and the second body 102 are opposite to each other, and then Insert the pins into the two aligned welding positioning holes 106, and then weld the first main body 101 and the second main body 102 by lap welding, so as to avoid the movement of the first main body 101 or the second main body 102 during welding, which is convenient for welding and improves the performance of welding. work efficiency.
  • a welding positioning hole 106 is arranged on the first body 101 and the second body 102 , and the first body 101 and the second body 102 are positioned through the welding positioning hole 106 .
  • first body 101 and the second body 102 can be arranged with two or more positioning holes in one-to-one correspondence, and the first body 101 and the second body 102 can be connected to the first body 101 and the second body 102 by two or more welding positioning holes 106 . Positioning on the top, enhance the positioning effect, more convenient welding.
  • the first body 101 is closer to the vehicle body than the second body 102 , that is, the first body 101 is opposite to the vehicle body. After the first body 101 and the second body 102 are installed, the first body 101 is located above the second body 102, so the first body 101 can be called an upper mounting plate, and the second body 102 can be called a lower mounting plate.
  • the outer edge of the first main body 101 has a first flange 111
  • the outer edge of the second main body 102 has a second flange 112
  • the second flange 112 is connected to the first flange 111 .
  • the second flange 112 has an opening 103 .
  • the opening 103 of the second flange 112 does not need to be welded, which can provide a certain adjustment space during welding. In this way, the first body 101 and the second body 102 do not need to be completely aligned during welding, which is more convenient.
  • the first flange 111 can increase the rigidity of the first body 101
  • the second flange 112 can increase the rigidity of the second main body 102 , which can reduce the welding damage of the installation sleeve 20 and the first main body 101 and increase the durability. .
  • the first flange 111 is disposed at the end of the first body 101 that is not welded, that is, the free end of the first body 101 . That is, at the free end of the first body 101, the first body 101 does not need to be connected with other structures, so as to prevent the first flange 111 from affecting the firmness of the connection between the first body 101 and other structures.
  • the first flange 111 may also be disposed on other edges of the first body 101 to ensure that the first flange 111 does not affect the firmness of the connection between the first body 101 and other structures.
  • a side edge of the first body 101 is provided with an inclined surface 104 .
  • the inclined surface 104 is arranged on the side of the first main body 101 , and the inclined surface 104 is connected with the first flange 111 .
  • the inclined surface 104 has the same structure and function as the first flange 111 . It is only that the inclination of the inclined surface 104 is greater than the inclination of the first flange 111 , and the inclined surface 104 is inclined and bent to the inside of the first main body 101 to form an inclination when the first main body 101 is fabricated.
  • the inclined slope 104 forms a groove on the left side of the upper surface of the first main body 101, which is convenient to fit with the protrusions of the body, so as to facilitate the sub-frame and the Body connection.
  • the inclined surface 104 may also be disposed on other sides of the first body 101, and only need to be opposite to the protrusion of the vehicle body.
  • the sub-frame mounting structure 100 is also provided with a reinforcing rib 105 .
  • the overhanging surface of the structure may be too large, or the span may be too large.
  • Reinforcing ribs 105 are arranged on the structure 100 to increase the strength of the joint surface.
  • reinforcing ribs 105 are arranged on the first body 101 .
  • reinforcing ribs 105 may also be arranged on the second body 102 .
  • a reinforcing rib 105 is arranged on the first main body 101 .
  • two or more reinforcing ribs 105 may be arranged on the first body 101, and the two or more reinforcing ribs 105 are arranged at intervals, and the specific positions are not limited (for example, evenly spaced), and will not affect the auxiliary vehicle
  • the connection between the frame and the vehicle body is sufficient, which is not limited in the present disclosure.
  • one, two or more reinforcing ribs 105 may also be arranged on the second body 102, which is not limited in the present disclosure.
  • the sub-frame mounting structure 100 further includes: a positioning pin 30 .
  • the first end of the positioning pin 30 is connected to the side of the mounting body 10 facing the vehicle body, and the second end of the positioning pin 30 protrudes from the side of the mounting body 10 facing the vehicle body.
  • the positioning pin 30 is fixedly connected with the mounting body 10 , and one end of the positioning pin 30 protrudes from the side of the mounting body 10 facing the vehicle body.
  • the vehicle body has connection positioning holes arranged opposite to the positioning pins 30 , and the positioning pins 30 face the vehicle body and are used for matching with the connection positioning holes on the vehicle body.
  • the second end of the positioning pin 30 is opposite to the connection positioning hole, and then the second end of the positioning pin 30 is inserted into the connection positioning hole, and then the subframe and the body are connected by bolts and nuts. It can avoid the movement of the subframe or the body during welding, which is convenient for assembly and improves work efficiency.
  • a positioning pin 30 is arranged on the sub-frame mounting structure 100 , and the sub-frame and the vehicle body are positioned through a positioning pin 30 and a connecting positioning hole.
  • two or more positioning pins 30 may be arranged on the sub-frame mounting structure 100 , and two or more connecting positioning holes corresponding to the positioning pins 30 are provided on the vehicle body.
  • the positioning pins 30 and two or more connecting positioning holes position the subframe and the vehicle body to enhance the positioning effect and facilitate assembly.
  • the mounting sleeve 20 may be a stainless steel sleeve or an aluminum sleeve. In other implementation manners, the mounting sleeve 20 may also be made of other materials, which are not limited in the present disclosure.
  • the mounting sleeve 20 can be connected to the mounting body 10 by welding to ensure the firmness of the connection between the mounting sleeve 20 and the mounting body 10, thereby ensuring firmness of the connection between the subframe and the vehicle body. To avoid the loose connection between the subframe and the body, it will not affect the comfort and reduce the incidence of accidents.
  • the annular protrusion 201 can be connected to the mounting body 10 by welding to ensure the firmness of the connection between the annular protrusion 201 and the mounting body 10, thereby ensuring firmness of the connection between the subframe and the vehicle body.
  • the middle body portion 202 of the installation sleeve 20 ie, the cylindrical body in FIG. 2
  • the annular protrusion 201 are integrally fabricated to ensure the integrity of the installation sleeve 20 without It will affect the firmness of the connection between the installation sleeve 20 and the installation body 10 .
  • one end of the mounting sleeve 20 facing the vehicle body has an annular protrusion 201
  • the first surface of the annular protrusion 201 is connected to the side of the mounting body 10 facing the vehicle body
  • the second surface of the annular protrusion 201 is used for connecting with the vehicle body.
  • the annular protrusion 201 is fixedly connected with the side of the mounting body 10 facing the chassis of the vehicle body. That is, the mounting sleeve 20 is fixedly connected with the first body 101 .
  • the vertical section of the installation sleeve 20 presents a T-shape
  • the mounting sleeve 20 may also be referred to as a T-shaped mounting sleeve.
  • the mounting sleeve 20 is welded on the first body 101 to facilitate the connection between the mounting sleeve 20 and the vehicle body.
  • the firmness of the connection between the mounting sleeve 20 and the mounting body 10 is ensured, so as to ensure the firmness of the connection between the sub-frame and the vehicle body. To avoid the loose connection between the subframe and the body, it will not affect the comfort and reduce the incidence of accidents.
  • the end of the mounting sleeve 20 facing away from the vehicle body has an annular protrusion 201 .
  • the first surface of the annular protrusion 201 is connected with the side of the mounting body 10 facing away from the vehicle body, and the second surface of the annular protrusion 201 is used for connecting with the vehicle body.
  • the installation sleeve 20 may have annular protrusions 201 at both ends, or may have annular protrusions 201 only at one end, which is not limited in the present disclosure.
  • the annular protrusion 201 is welded with the first body 101 to ensure the stability of the connection.
  • the mounting sleeve 20 may or may not be welded with the second body 102 , which is not limited in the present disclosure.
  • FIG. 2 is a schematic structural diagram of an installation sleeve provided by an embodiment of the present disclosure.
  • the second surface of the annular protrusion 201 has a knurled pattern 211 , and the knurled pattern 211 extends along the circumference of the mounting hole 21 . That is, the side of the annular protrusion 201 facing the vehicle body has a zigzag pattern.
  • the first body 101 is located between the second body 102 and the vehicle body, that is, the first body 101 is opposite to the vehicle body.
  • the second surface of the annular protrusion 201 will fit with the surface of the vehicle body, and the knurled pattern 211 is arranged on the second surface of the annular protrusion 201, which can not only increase the friction between the annular protrusion 201 and the vehicle body It can also increase the bite force between the annular protrusion 201 and the vehicle body, avoid abnormal noise when the vehicle is running on bumpy road surfaces, and enhance driving comfort.
  • the knurled pattern 211 is a straight pattern.
  • the knurled pattern 211 on the side of the annular protrusion 201 facing the vehicle body may also be a twill pattern, a reticulated pattern, or the like, which is not limited in the present disclosure.
  • the knurled pattern 211 may be obtained by a knurling process.
  • FIG. 3 is a bottom view of the connection between an installation bracket and an installation body provided by an embodiment of the present disclosure.
  • the sub-frame mounting structure 100 further includes: a mounting bracket 40 .
  • the mounting bracket 40 is located on the side of the mounting body 10 away from the vehicle body, the first part of the mounting bracket 40 is connected with the mounting body 10 , and the second part of the mounting bracket 40 is used for connecting with the vehicle body.
  • the mounting bracket 40 is connected to the body side member 200 of the body.
  • the mounting bracket 40 is used for connecting the mounting main body 10 and the vehicle side rail 200 , the mounting bracket 40 is connected with the side of the mounting main body 10 away from the vehicle chassis, and the mounting main body 10 is located between the mounting bracket 40 and the vehicle side rail 200 .
  • the mounting bracket 40 is arranged for connecting the mounting main body 10 and the body side member 200 , and it is more convenient to connect the subframe and the body side member 200 .
  • the body side member 200 is a part of the body frame, and the body side member 200 plays the role of supporting the vehicle body. In the event of a serious collision accident, the body side member 200 can collapse to absorb energy and reduce the impact force on personnel.
  • FIG. 4 is a schematic structural diagram of a mounting bracket provided by an embodiment of the present disclosure.
  • the mounting bracket 40 includes a first support arm 401 and a second support arm 402 .
  • the first end of the first support arm 401 is connected to the first end of the second support arm 402, and there is an included angle between the first support arm 401 and the second support arm 402, and the first support arm 401 and the second support arm 402
  • the connecting part of the first arm 401 and the second end of the second arm 402 are both used for connecting with the vehicle body.
  • the mounting bracket 40 includes two branches, namely, a first support arm 401 and a second support arm 402 , so that the entire mounting bracket 40 has a substantially V-shaped structure.
  • the first ends of the first support arm 401 and the second support arm 402 are connected together and connected with the mounting body 10 , and the second ends of the first support arm 401 and the second support arm 402 are respectively connected with the two body side members 200 .
  • the subframe transmits the load force to the two body side members 200 through the first support arm 401 and the second support arm 402, so as to disperse the load force and avoid transferring the load force to one body side member 200, so that the vehicle body longitudinal member 200 is not transmitted.
  • the beam 200 is damaged due to excessive force.
  • first ends of the first support arm 401 and the second support arm 402 have first through holes 411
  • second ends of the first support arm 401 and the second support arm 402 both have second through holes 422 .
  • one bolt is passed through the first through hole 411 to connect with the nut on the mounting body 10 , and the other two bolts are respectively passed through the two second through holes 422 and the bolts on the two body longitudinal beams 200 .
  • Nut connections connect the subframe to the two body rails 200 .
  • the installation body 10 is located between the installation bracket 40 and the vehicle body side member 200 , and after the installation is completed, the installation bracket 40 is located below the installation body 10 . Since the first body 101 is located above the second body 102 , the body side member 200 is connected to the first body 101 , and the mounting bracket 40 is connected to the second body 102 . That is, the second main body 102 has a through hole connected with the mounting bracket 40 . Both body rails 200 have through holes connected to the mounting brackets 40 .
  • the mounting bracket 40 further includes an annular boss 403 , which is located at the connection area between the first support arm 401 and the second support arm 402 , and is located on the side of the mounting bracket 40 away from the mounting body 10 .
  • One end 401 of the mounting bracket 40 has an annular boss 403, the annular boss 403 surrounds the first through hole 411, and the first through hole 411 passes through the annular boss 403, that is, the first through hole 411 is arranged on the annular boss 403. on stage 403. It is equivalent to positioning the first through hole 411 through the annular boss 403 , during the installation process, it is easier for the staff to find the first through hole 411 , which is convenient for installation.
  • annular bosses 403 may also be arranged on the two second through holes 422 , which is not limited in the present disclosure.
  • the mounting bracket 40 has a plate-like structure, and one surface of the mounting bracket 40 faces the mounting body 10 and the body side member 200 .
  • the mounting bracket 40 also includes a third flange 404 .
  • the third flange 404 extends along the outer edges of the first support arm 401 and the second support arm 402, and is located on the side of the mounting bracket 40 away from the mounting body 10, and will not affect the connection between the mounting body 10 and the body side member 200.
  • the second flange 404 can increase the rigidity of the mounting bracket 40 .
  • the subframe mounting structure provided by the embodiment of the present disclosure has good versatility, and can quickly meet the requirements of different vehicle models.
  • Embodiments of the present disclosure also provide an automobile including the subframe mounting structure 100 shown in FIGS. 1-4 .
  • the mounting body 10 is used for connecting with the body of the automobile, the mounting sleeve 20 penetrates through two opposite sides of the mounting body 10, and the mounting sleeve 20 has mounting holes 21, and the mounting holes 21 can be used in cooperation with mounting bolts
  • the mounting bolts pass through the mounting holes 21 and are connected with nuts on the vehicle body to connect the subframe and the vehicle body. Since one end of the installation sleeve 20 has an annular protrusion 201, and the annular protrusion 201 is fixedly connected with the installation body 10, the annular protrusion 201 increases the connection area between the installation sleeve 20 and the installation body 10, and increases the number of the installation sleeve 20 and the installation body 10.
  • the firmness of the connection of the mounting body 10 increases the stability of the mounting sleeve 20 .
  • the mounting bolts pass through the mounting sleeve 20, which increases the stability of the mounting bolts, thereby increasing the firmness of the connection between the vehicle chassis and the subframe.
  • the stability of the mounting sleeve 20 is increased, thereby increasing the stability of the mounting bolts in the mounting sleeve 20, so that the connection between the subframe and the vehicle body is firmer.
  • the loose connection between the subframe and the body is avoided, the comfort of the whole vehicle is improved, and the incidence of accidents is reduced. That is to say, the automobile has all the beneficial effects of the subframe mounting structure 100 shown in FIGS. 1-4 , which will not be repeated here.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Body Structure For Vehicles (AREA)

Abstract

一种副车架安装结构和汽车，其中，副车架安装结构（100）包括：安装主体（10）和安装套筒（20）；所述安装主体（10）内具有腔体（A）；所述安装套筒（20）贯穿所述安装主体（10）的相对两面及所述腔体（A），所述安装套筒（20）具有用于将副车架安装到车身上的安装孔（21），所述安装套筒（20）的至少一端具有环形凸起（201），所述环形凸起（201）与所述安装主体（10）相连。环形凸起（201）增大了安装套筒（20）与安装主体（10）的连接面积，从而增加了安装套筒（20）的稳定性，进而增加了安装螺栓的稳定性，使副车架与车身的连接更加牢固。

Description

副车架安装结构和汽车
本公开要求于2020年09月29日提交的申请号为202011048713.7、发明名称为“副车架安装结构和汽车”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本公开涉及汽车领域，特别涉及一种副车架安装结构和汽车。
背景技术
汽车的副车架是汽车底盘系统的重要构件，用于连接悬挂系统和车身。
在相关技术中，副车架和车身之间，是通过副车架安装结构来实现连接的。汽车在行驶过程中，悬挂系统会对副车架造成各种冲击，副车架在吸收一部分载荷力后，再将剩余的载荷力传递给车身，从而避免了因车身承受载荷力过多而出现损坏。
由此可见，副车架安装结构和车身之间的连接可靠性至关重要。
发明内容
本公开实施例提供了一种副车架安装结构和汽车，使副车架与车身连接更加紧固。所述技术方案如下：
一方面，本公开提供了一种副车架安装结构，所述副车架安装结构包括：
具有腔体的安装主体；
安装套筒，贯穿所述安装主体的相对两面及所述腔体，所述安装套筒与所述安装主体固定连接，所述安装套筒具有用于将副车架安装到车身底盘上的安装孔；
其中，所述安装套筒的至少一端具有一圈环形凸起，所述环形凸起与所述安装主体固定连接。
在本公开实施例的一种实现方式中，所述安装套筒朝向所述车身底盘的一 端具有所述环形凸起，所述环形凸起与所述安装主体朝向车身底盘的一面固定连接。
在本公开实施例的一种实现方式中，所述环形凸起朝向所述车身底盘的一面具有滚花花纹。
在本公开实施例的一种实现方式中，所述安装主体包括：
凹槽形的第一安装板，具有第一凹槽；
凹槽形的第二安装板，具有与所述第一凹槽相对的第二凹槽；
其中，所述第一安装板与所述第二安装板相对连接，所述第一凹槽和所述第二凹槽构成所述腔体。
在本公开实施例的一种实现方式中，所述第一安装板位于所述第二安装板和所述车身底盘之间；
所述第一安装板的边缘具有第一翻边，所述第一翻边朝向所述车身底盘，所述安装主体具有开口，在竖直方向上，所述开口位于所述第一翻边下方。
在本公开实施例的一种实现方式中，所述副车架安装结构还包括：
定位销钉，与所述安装主体固定连接，所述定位销钉的一端凸出于所述安装主体朝向所述车身底盘的一面。
在本公开实施例的一种实现方式中，所述副车架安装结构还包括：
安装支架，用于连接所述安装主体和汽车纵梁，所述安装主体位于所述安装支架和所述汽车纵梁之间。
在本公开实施例的一种实现方式中，所述安装支架的一端具有环形凸台，所述环形凸台位于所述安装支架远离所述安装主体的一面。
在本公开实施例的一种实现方式中，所述安装支架为板状结构，所述安装支架的边缘具有第二翻边，所述第二翻边朝向远离所述车身底盘的一侧。
另一方面，本公开提供了一种副车架安装结构，包括：安装主体和安装套筒；
所述安装主体内具有腔体；
所述安装套筒贯穿所述安装主体的相对两面及所述腔体，所述安装套筒具有用于将副车架安装到车身上的安装孔所述安装套筒的至少一端具有环形凸起，所述环形凸起与所述安装主体相连。
在本公开实施例的一种实现方式中，所述安装套筒朝向所述车身的一端具有所述环形凸起；
所述环形凸起的第一面与所述安装主体朝向所述车身的一面相连，所述环形凸起的第二面用于与所述车身相连。
在本公开实施例的一种实现方式中，所述安装套筒的背离所述车身的一端具有所述环形凸起；
所述环形凸起的第一面与所述安装主体背离所述车身的一面相连，所述环形凸起的第二面用于与所述车身相连。
在本公开实施例的一种实现方式中，所述环形凸起的第二面具有滚花花纹；
所述滚花花纹沿所述安装孔的四周延伸。
在本公开实施例的一种实现方式中，所述安装主体包括：第一主体和第二主体；
所述第一主体与所述第二主体相连，以构成所述腔体；
所述环形凸起与所述第一主体的外壁相连。
在本公开实施例的一种实现方式中，所述第一主体的外边缘具有第一翻边；
所述第二主体的外边缘具有第二翻边，所述第二翻边与所述第一翻边相连；
所述第二翻边具有开口。
在本公开实施例的一种实现方式中，还包括：定位销钉；
所述定位销钉的第一端与所述安装主体朝向所述车身的一面相连，所述定位销钉的第二端凸出于所述安装主体朝向所述车身的一面。
在本公开实施例的一种实现方式中，还包括：安装支架；
所述安装支架位于所述安装主体背离所述车身的一面，所述安装支架的第一部分与所述安装主体相连，所述安装支架的第二部分用于与所述车身相连。
在本公开实施例的一种实现方式中，所述安装支架包括第一支臂和第二支臂；
所述第一支臂的第一端与所述第二支臂的第一端相连，且所述第一支臂和所述第二支臂之间具有夹角，所述第一支臂和所述第二支臂的连接部位与所述安装主体相连；
所述第一支臂的第二端和所述第二支臂的第二端均用于与所述车身相连。
在本公开实施例的一种实现方式中，所述安装支架还包括环形凸台；
所述环形凸台位于所述第一支臂和所述第二支臂之间的连接区域，且位于所述安装支架远离所述安装主体的一面。
在本公开实施例的一种实现方式中，所述安装支架还包括第三翻边；
所述第三翻边沿所述第一支臂和所述第二支臂的外边缘延伸，且位于所述安装支架远离所述安装主体的一面。
又一方面，本公开实施例还提供了一种汽车，所述汽车包括上述任一方面所述的副车架安装结构。
本公开实施例提供的技术方案带来的有益效果是：
在本公开实施例中，安装主体用于与汽车的车身连接，安装套筒贯穿安装主体的相对两面，安装套筒中具有安装孔，该安装孔可以与安装螺栓配合使用，例如安装螺栓穿过安装孔与车身上的螺母连接，将副车架与车身连接起来。由于安装套筒一端具有环形凸起，且环形凸起与安装主体固定连接，环形凸起增大了安装套筒与安装主体的连接面积，增加了安装套筒和安装主体连接的牢固性，从而增加了安装套筒的稳定性。安装螺栓穿过安装套筒，也即增加了安装螺栓的稳定性，从而增加了汽车底盘与副车架连接的牢固性。在汽车行驶的过程中，安装套筒的稳定性增加，从而增加了安装套筒中的安装螺栓的稳定性，使副车架与车身的连接更加牢固。避免副车架与车身的连接松动，提高了整车的舒适性，降低事故的发生率。
附图说明
为了更清楚地说明本公开实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本公开的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1是本公开实施例提供的一种副车架安装结构的结构示意图；
图2是本公开实施例提供的一种安装套筒的结构示意图；
图3是本公开实施例提供的一种安装支架与安装主体连接的仰视图；
图4是本公开实施例提供的一种安装支架的结构示意图。
具体实施方式
为使本公开的目的、技术方案和优点更加清楚，下面将结合附图对本公开实施方式作进一步地详细描述。
汽车的副车架是汽车底盘系统的重要构件，用于连接悬挂系统和车身。
相关技术中，副车架上布置有套筒，副车架中具有腔体，套筒贯穿副车架的相对两面和腔体，套筒内设有紧固螺栓，车身底盘的钣金上焊接螺母，通过螺栓与螺母配合将副车架与车身底盘连接起来。汽车行驶过程中，特别是在制动时，车身底盘会受到较大的水平方向的冲击力，从而使副车架与车身底盘的连接处受力较大。在多次冲击载荷作用下，容易使副车架与车身底盘的连接处出现间隙，造成副车架与车身底盘的连接松动，影响舒适性，且容易造成事故。
图1是本公开实施例提供的一种副车架安装结构的结构示意图。参见图1，副车架安装结构100包括：安装主体10和安装套筒20。安装主体10内具有腔体。安装套筒20贯穿安装主体10的相对两面及腔体A，安装套筒20具有用于将副车架安装到车身上的安装孔21，安装套筒20的至少一端具有一圈环形凸起201，环形凸起201与安装主体10相连。
在本公开实施例中，安装主体10用于与汽车的车身连接，安装套筒20贯穿安装主体10的相对两面，安装套筒20中具有安装孔21，该安装孔21可以与安装螺栓配合使用，例如安装螺栓穿过安装孔21与车身上的螺母连接，将副车 架与车身连接起来。由于安装套筒20一端具有环形凸起201，且环形凸起201与安装主体10固定连接，环形凸起201增大了安装套筒20与安装主体10的连接面积，增加了安装套筒20和安装主体10连接的牢固性，从而增加了安装套筒20的稳定性。安装螺栓穿过安装套筒20，也即增加了安装螺栓的稳定性，从而增加了汽车底盘与副车架连接的牢固性。在汽车行驶的过程中，安装套筒20的稳定性增加，从而增加了安装套筒20中的安装螺栓的稳定性，使副车架与车身的连接更加牢固。避免副车架与车身的连接松动，提高了整车的舒适性，降低事故的发生率。
安装主体10具有腔体A，可以减小安装主体10的重量，从而减小汽车的重量。汽车的发动机运行过程中产生的噪音会通过腔体A中的空气传递给车身，可以降低噪声。声音在空气中传播损耗的能量较大，也即该腔体A可减小噪声向车身传递，降低发动机和路面震动所带来的噪音，提高汽车舱内静音水平。
由于安装主体10具有腔体A，安装套筒20需贯穿腔体A，使得安装主体10与安装套筒20之间的连接牢固性降低。同时，安装主体10相对两面之间的距离较大，使得螺栓较长(即竖直方向上的长度较大)，在多次冲击载荷作用下，很容易因螺栓的局部刚度、强度不足，导致安装主体10变形，影响汽车的安全。而本公开实施例布置环形凸起201来增加安装套筒20与安装主体10连接的牢固性。在减小汽车重量的情况下，又能够保证安装套筒20与安装主体10连接的牢固性，从而保证副车架与车身连接的牢固性。
在本公开实施例中，安装主体10能够减小悬挂系统传递给车身的载荷力，减小车身的晃动，增加驾驶的舒适性。汽车行驶在各种路面时，悬挂系统会对车身造成各种冲击，时间久了就会因受力不均带来各种形变，但在副车架的作用下，就可以代替车身承受如受载弯曲、非水平扭动、横向弯曲和水平菱形扭动等车架变形情况，提升车身抗扭能力，在发生碰撞时更会直接受力，从而提高汽车整车碰撞时的安全性能。
在本公开实施例中，副车架的安装结构是副车架的一部分。副车架可以为不锈钢副车架也可以为铝制的副车架，也即副车架的安装结构的材质可以是不锈钢或铝。在其他实现方式中，副车架也可以采用其他材质制作，本公开对此不做限制。
再次参见图1，安装主体10包括：第一主体101和第二主体102。第一主 体101具有第一凹槽，第二主体102具有与第一凹槽相对的第二凹槽。第一主体101与第二主体102相对连接时，第一凹槽和第二凹槽构成腔体A。环形凸起201与第一主体101的外壁相连。
第一第一主体101和第二主体102均具有凹槽，将第一主体101与第二主体102相对连接后，第一主体101和第二主体102的边缘相互连接，使第一主体101和第二主体102形成盒装结构，也即形成安装主体10的腔体A。本公开实施例通过第一主体101的第一凹槽和第二主体102的第二凹槽形成安装主体10的腔体A，更加方便。
在本公开实施例中，第一主体101和第二主体102之间可以通过搭接焊的形式焊接在一起，保证第一主体101和第二主体102的连接强度，保证安装主体10的强度。避免第一主体101和第二主体102之间分开，影响安装主体10的强度，避免汽车行驶的过程中出现事故，降低事故的发生率。
例如，第二主体102的第二凹槽的内侧壁与第一主体101的第一凹槽的外侧壁贴合，也即第二主体102将第一主体101包裹，然后将第一主体101和第二主体102焊接起来。
在其他实现方式中，第一主体101和第二主体102之间也可以通过对接焊的形式焊接在一起。也即第二主体102的第二凹槽的边缘与第一主体101的第一凹槽的边缘完全相对，然后将第一主体101和第二主体102的凹槽的边缘焊接起来。
再次参见图1，副车架安装结构100上还布置有焊接定位孔106，第一主体101和第二主体102均具有一一对应的焊接定位孔106。
在第一主体101和第二主体102上布置一一对应的焊接定位孔106，在第一主体101和第二主体102焊接时，将第一主体101和第二主体102上定位孔相对，然后将销钉插入两个对齐的焊接定位孔106中，再通过搭接焊将第一主体101和第二主体102焊接起来，避免在焊接时第一主体101或第二主体102移动，方便焊接，提高工作效率。
如图1所示，第一主体101和第二主体102上布置有一个焊接定位孔106，通过一个焊接定位孔106对第一主体101和第二主体102上进行定位。
在其他实现方式中，第一主体101和第二主体102上可以布置两个或多个一一对应的定位孔，通过两个或多个焊接定位孔106对第一主体101和第二主 体102上进行定位，增强定位效果，更加方便焊接。
公开实施例中，第一主体101相较于第二主体102更靠近车身，也即，第一主体101与车身相对。在第一主体101和第二主体102安装好后，第一主体101位于第二主体102的上方，所以第一主体101可以称为上安装板，第二主体102可以称为下安装板。再次参见图1，
将第一主体101与第二主体102焊接的过程中，由于焊接工艺的影响，第一主体101和第二主体102在焊接的过程中无法完全焊接起来，形成的安装主体10难免会存在缺口。为了避免这一问题，再次参见图1，第一主体101的外边缘具有第一翻边111，第二主体102的外边缘具有第二翻边112，第二翻边112与第一翻边111相连，第二翻边112具有开口103。
在焊接时，第二翻边112的开口103处无需焊接，能够在焊接时提供一定的调整空间。如此一来，第一主体101与第二主体102在焊接时就无需完全对齐，更加方便。另一方面，第一翻边111能够增加第一主体101的刚度，第二翻边112能够增加第二主体102的刚度，可以降低安装套筒20与第一主体101焊接的损伤，增加耐久性。
在本公开实施例中，第一翻边111设置在第一主体101没有焊接的一端，即第一主体101的自由端。也即在第一主体101的自由端，第一主体101不需要与其他结构连接，避免第一翻边111影响第一主体101与其他结构连接的牢固性。
在本公开实施例中，第一翻边111还可以设置在第一主体101的其他边缘，保证第一翻边111不会影响第一主体101与其他结构连接的牢固性即可。
如图1所示，第一主体101的侧边设置有斜面104。
在第一主体101的侧边布置斜面104，斜面104与第一翻边111相连，斜面104与第一翻边111的结构和作用相同，同样是为了方便焊接以及增加第一主体101的刚度。只不过斜面104的斜度大于第一翻边111的斜度，斜面104是在制作第一主体101时，向第一主体101内侧倾斜弯折形成倾斜的。
由于车身并不是一个平整的平面，会存在凸起，所以倾斜的斜面104，使第一主体101上表面的左侧形成一个凹槽，方便与车身的凸起贴合，从而方便副车架与车身连接。
在本公开实施例中，斜面104还可以设置在第一主体101的其他侧边，与 车身的凸起相对即可。
再次参见图1，副车架安装结构100上还布置有加强筋105。
在副车架安装结构100的结构设计过程中，可能出现结构体悬出面过大，或跨度过大的情况，副车架安装结构100本身的连接面能承受的负荷有限，在副车架安装结构100上布置有加强筋105，以增加结合面的强度。
如图1所示，第一主体101上布置有加强筋105。
在其他实现方式中，第二主体102上也可以布置有加强筋105。
如图1所示，第一主体101上布置有一个加强筋105。
在其他实现方式中，第一主体101上可以布置有两个或多个加强筋105，两个或多个加强筋105间隔布置，具体位置不限(例如均匀间隔布置)，不会影响副车架与车身的连接即可，本公开对此不做限制。
示例性地，第二主体102上也可以布置一个、两个或多个加强筋105，本公开对此不做限制。
再次参见图1，副车架安装结构100还包括：定位销钉30。定位销钉30的第一端与安装主体10朝向车身的一面相连，定位销钉30的第二端凸出于安装主体10朝向车身的一面。定位销钉30与安装主体10固定连接，定位销钉30的一端凸出于安装主体10朝向车身的一面。
车身上具有与定位销钉30相对设置的连接定位孔，定位销钉30朝向车身，用于与车身上的连接定位孔配合。在装配副车架和车身时，将定位销钉30的第二端与连接定位孔相对，然后将定位销钉30的第二端插入连接定位孔中，再通过螺栓和螺母将副车架和车身连接起来，避免在焊接时副车架或车身移动，方便装配，提高工作效率。
如图1所示，副车架安装结构100上布置有一个定位销钉30，通过一个定位销钉30和一个连接定位孔对副车架和车身进行定位。
在其他实现方式中，副车架安装结构100上可以布置两个或多个定位销钉30，车身上具有与定位销钉30一一对应的两个或多个连接定位孔，通过两个或多个定位销钉30和两个或多个连接定位孔对副车架和车身进行定位，增强定位效果，更加方便装配。
在本公开实施例中，安装套筒20可以为不锈钢套筒也可以为铝制的套筒。在其他实现方式中，安装套筒20也可以采用其他材质制作，本公开对此不做限 制。
在本公开实施例中，安装套筒20可以通过焊接的方式与安装主体10连接，保证安装套筒20与安装主体10连接的牢固性，从而保证副车架与车身连接的牢固性。避免副车架与车身的连接松动，不会影响舒适性，降低事故的发生率。
在本公开实施例中，环形凸起201可以通过焊接的方式与安装主体10连接，保证环形凸起201与安装主体10连接的牢固性，从而保证副车架与车身连接的牢固性。
在本公开实施例中，安装套筒20的中间主体部分202(也即图2中的筒状的圆柱体)与环形凸起201是一体化制作的，保证安装套筒20的整体性，不会影响安装套筒20与安装主体10连接的牢固性。
在本公开实施例中，安装套筒20朝向车身的一端具有环形凸起201，环形凸起201的第一面与安装主体10朝向车身的一面相连，环形凸起201的第二面用于与车身相连。环形凸起201与安装主体10朝向车身底盘的一面固定连接。也即安装套筒20与第一主体101固定连接。
在上述实现方式中，由于安装套筒20的外周壁具有环形凸起201，且环形凸起201位于安装套筒20的端部，所以安装套筒20在竖直方向上的截面呈现T形，安装套筒20也可以称为T形安装套筒。
由于第一主体101位于第二主体102和车身之间，将安装套筒20焊接在第一主体101上，方便安装套筒20与车身连接。同时保证安装套筒20与安装主体10连接的牢固性，从而保证副车架与车身连接的牢固性。避免副车架与车身的连接松动，不会影响舒适性，降低事故的发生率。
可选地，安装套筒20的背离车身的一端具有环形凸起201。环形凸起201的第一面与安装主体10背离车身的一面相连，环形凸起201的第二面用于与车身相连。
需要说明的是，安装套筒20既可以两端均具有环形凸起201，也可以只有一端具有环形凸起201，本公开对此不作限制。
在本公开实施例中，环形凸起201与第一主体101焊接，保证连接的稳定性。
在本公开实施例中，安装套筒20可以与第二主体102焊接，也可以不与第二主体102焊接，本公开对此不作限制。
图2是本公开实施例提供的一种安装套筒的结构示意图。参见图2，在本实施例中，环形凸起201的第二面具有滚花花纹211，滚花花纹211沿安装孔21的四周延伸。也即环形凸起201朝向车身的一面具有锯齿状的花纹。
由于第一主体101位于第二主体102和车身之间，也即，第一主体101与车身相对。在安装好后，环形凸起201的第二面会与车身的面贴合，在环形凸起201的第二面设置滚花花纹211，不仅能够增大环形凸起201会与车身之间的摩擦力，还能够增加环形凸起201与车身之间的咬合力，避免车辆行驶在颠簸路面时发生异响，增强驾驶的舒适度。
滚花花纹211为直纹。在其他实现方式中，环形凸起201朝向车身的一面的滚花花纹211也可以为斜纹、网纹等，本公开对此不做限制。
在本公开实施例中，滚花花纹211可以通过滚花工艺得到。
图3是本公开实施例提供的一种安装支架与安装主体连接的仰视图。参见图3，副车架安装结构100还包括：安装支架40。安装支架40位于安装主体10背离车身的一面，安装支架40的第一部分与安装主体10相连，安装支架40的第二部分用于与车身相连。
在本实施例中，安装支架40与车身的车身纵梁200相连。
安装支架40用于连接安装主体10和车身纵梁200，安装支架40与安装主体10远离车身底盘的一面连接，安装主体10位于安装支架40和汽车纵梁200之间。
布置安装支架40，用于连接安装主体10和车身纵梁200，更加方便将副车架与车身纵梁200连接起来。
车身纵梁200是车身框架的一部分，车身纵梁200起到支撑车身的作用，在汽车发生严重碰撞事故时，车身纵梁200可以溃缩吸收能量，减少对人员的撞击力。
图4是本公开实施例提供的一种安装支架的结构示意图。参见图3和图4，安装支架40包括第一支臂401和第二支臂402。
第一支臂401的第一端与第二支臂402的第一端相连，且第一支臂401和第二支臂402之间具有夹角，第一支臂401和第二支臂402的连接部位与安装主体40相连，第一支臂401的第二端和第二支臂402的第二端均用于与车身相连。
装支架40包括两个分支，即第一支臂401和第二支臂402，使得安装支架40的整体大致为V形结构。第一支臂401和第二支臂402的第一端连接在一起，且与安装主体10连接，第一支臂401和第二支臂402的第二端分别与两个车身纵梁200连接。副车架通过第一支臂401和第二支臂402将载荷力传递给两个车身纵梁200，从而将载荷力进行分散，避免将载荷力传递给一个车身纵梁200，使该车身纵梁200受力过大损坏。
再次参见图4，第一支臂401和第二支臂402的第一端具有第一通孔411，第一支臂401和第二支臂402的第二端均具有第二通孔422。
在装配安装支架40时，将一个螺栓穿过第一通孔411与安装主体10上的螺母连接，将另外两个螺栓分别穿过两个第二通孔422与两个车身纵梁200上的螺母连接，从而将副车架与两个车身纵梁200连接。
在本公开实施例的一种实现方式中，安装主体10位于安装支架40和车身纵梁200之间，当安装好后，安装支架40位于安装主体10的下方。由于第一主体101位于第二主体102的上方，所以车身纵梁200与第一主体101相连，安装支架40与第二主体102连接。也即第二主体102上具有与安装支架40连接的通孔。两个车身纵梁200上均具有与安装支架40连接的通孔。
再次参见图4，安装支架40还包括环形凸台403，环形凸台403位于第一支臂401和第二支臂402之间的连接区域，且位于安装支架40远离安装主体10的一面。
在安装支架40的一端401具有环形凸台403，环形凸台403环绕在第一通孔411的四周，第一通孔411穿过环形凸台403，也即将第一通孔411布置在环形凸台403上。相当于，通过环形凸台403对第一通孔411进行定位，在安装的过程中，工作人员更容易找到第一通孔411，方便安装。
需要说明的是，虽然如图1所示，仅有第一通孔411处具有环形凸台403，而两个第二通孔422上没有布置环形凸台403。
在其他实现方式中，两个第二通孔422上同样可以布置环形凸台403，本公开对此不做限制。
如图4所示，安装支架40为板状结构，安装支架40的一面朝向安装主体10和车身纵梁200。安装支架40还包括第三翻边404。第三翻边404沿第一支臂401和第二支臂402的外边缘延伸，且位于安装支架40远离安装主体10的 一面，不会影响安装主体10与车身纵梁200的连接。第二翻边404可以增加安装支架40的刚性。
本公开实施例提供的副车架安装结构具有较好的通用性，可以快速的满足不同车型的需求。
本公开实施例还提供了一种汽车，该汽车包括图1-4所示的副车架安装结构100。
在本公开实施例中，安装主体10用于与汽车的车身连接，安装套筒20贯穿安装主体10的相对两面，安装套筒20中具有安装孔21，该安装孔21可以与安装螺栓配合使用，例如安装螺栓穿过安装孔21与车身上的螺母连接，将副车架与车身连接起来。由于安装套筒20一端具有环形凸起201，且环形凸起201与安装主体10固定连接，环形凸起201增大了安装套筒20与安装主体10的连接面积，增加了安装套筒20和安装主体10连接的牢固性，从而增加了安装套筒20的稳定性。安装螺栓穿过安装套筒20，也即增加了安装螺栓的稳定性，从而增加了汽车底盘与副车架连接的牢固性。在汽车行驶的过程中，安装套筒20的稳定性增加，从而增加了安装套筒20中的安装螺栓的稳定性，使副车架与车身的连接更加牢固。避免副车架与车身的连接松动，提高了整车的舒适性，降低事故的发生率。也就是说，该汽车具有图1-4所示的副车架安装结构100的所有有益效果，在此不做赘述。
以上所述仅为本公开的可选实施例，并不用以限制本公开，凡在本公开的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本公开的保护范围之内。

Claims (12)

  1. 一种副车架安装结构，其特征在于，包括：安装主体(10)和安装套筒(20)；
    所述安装主体(10)内具有腔体(A)；
    所述安装套筒(20)贯穿所述安装主体(10)的相对两面及所述腔体(A)，所述安装套筒(20)具有用于将副车架安装到车身上的安装孔(21)，所述安装套筒(20)的至少一端具有环形凸起(201)，所述环形凸起(201)与所述安装主体(10)相连。
  2. 根据权利要求1所述的副车架安装结构，其特征在于，所述安装套筒(20)朝向所述车身的一端具有所述环形凸起(201)；
    所述环形凸起(201)的第一面与所述安装主体(10)朝向所述车身的一面相连，所述环形凸起(201)的第二面用于与所述车身相连。
  3. 根据权利要求1所述的副车架安装结构，其特征在于，所述安装套筒(20)的背离所述车身的一端具有所述环形凸起(201)；
    所述环形凸起(201)的第一面与所述安装主体(10)背离所述车身的一面相连，所述环形凸起(201)的第二面用于与所述车身相连。
  4. 根据权利要求2或3任一项所述的副车架安装结构，其特征在于，所述环形凸起(201)的第二面具有滚花花纹(211)；
    所述滚花花纹(211)沿所述安装孔(21)的四周延伸。
  5. 根据权利要求1所述的副车架安装结构，其特征在于，所述安装主体(10)包括：第一主体(101)和第二主体(102)；
    所述第一主体(101)与所述第二主体(102)相连，以构成所述腔体(A)；
    所述环形凸起(201)与所述第一主体(101)的外壁相连。
  6. 根据权利要求5所述的副车架安装结构，其特征在于，所述第一主体(101)的外边缘具有第一翻边(111)；
    所述第二主体(102)的外边缘具有第二翻边(112)，所述第二翻边(112)与所述第一翻边(111)相连；
    所述第二翻边(112)具有开口(103)。
  7. 根据权利要求1所述的副车架安装结构，其特征在于，还包括：定位销钉(30)；
    所述定位销钉(30)的第一端与所述安装主体(10)朝向所述车身的一面相连，所述定位销钉(30)的第二端凸出于所述安装主体(10)朝向所述车身的一面。
  8. 根据权利要求1所述的副车架安装结构，其特征在于，还包括：安装支架(40)；
    所述安装支架(40)位于所述安装主体(10)背离所述车身的一面，所述安装支架(40)的第一部分与所述安装主体(10)相连，所述安装支架(40)的第二部分用于与所述车身相连。
  9. 根据权利要求8所述的副车架安装结构，其特征在于，所述安装支架(40)包括第一支臂(401)和第二支臂(402)；
    所述第一支臂(401)的第一端与所述第二支臂(402)的第一端相连，且所述第一支臂(401)和所述第二支臂(402)之间具有夹角，所述第一支臂(401)和所述第二支臂(402)的连接部位与所述安装主体(40)相连；
    所述第一支臂(401)的第二端和所述第二支臂(402)的第二端均用于与所述车身相连。
  10. 根据权利要求9所述的副车架安装结构，其特征在于，所述安装支架(40)还包括环形凸台(403)；
    所述环形凸台(403)位于所述第一支臂(401)和所述第二支臂(402)之间的连接区域，且位于所述安装支架(40)远离所述安装主体(10)的一面。
  11. 根据权利要求9所述的副车架安装结构，其特征在于，所述安装支架(40) 还包括第三翻边(404)；
    所述第三翻边(404)沿所述第一支臂(401)和所述第二支臂(402)的外边缘延伸，且位于所述安装支架(40)远离所述安装主体(10)的一面。
  12. 一种汽车，其特征在于，所述汽车包括如权利要求1至11任一项所述的副车架安装结构(100)。
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