CN203902672U - Auxiliary frame structure and automobile - Google Patents

Auxiliary frame structure and automobile Download PDF

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Publication number
CN203902672U
CN203902672U CN201420265875.XU CN201420265875U CN203902672U CN 203902672 U CN203902672 U CN 203902672U CN 201420265875 U CN201420265875 U CN 201420265875U CN 203902672 U CN203902672 U CN 203902672U
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CN
China
Prior art keywords
boss
auxiliary frame
frame structure
sleeve pipe
subframe
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.)
Expired - Fee Related
Application number
CN201420265875.XU
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Chinese (zh)
Inventor
董嘉林
刘宏江
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.)
BAIC Motor Co Ltd
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BAIC Motor Co Ltd
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Filing date
Publication date
Application filed by BAIC Motor Co Ltd filed Critical BAIC Motor Co Ltd
Priority to CN201420265875.XU priority Critical patent/CN203902672U/en
Application granted granted Critical
Publication of CN203902672U publication Critical patent/CN203902672U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model provides an auxiliary frame structure and an automobile, and relates to the technical field of automobiles. The auxiliary frame structure comprises an auxiliary frame body, a crossbeam, a longitudinal beam and rear point mounting structures, wherein the crossbeam extends in the first direction; the longitudinal beam extends in the second direction; the crossbeam is connected with the longitudinal beam; an extending support which extends in the third direction is arranged on the longitudinal beam; the rear point mounting structures are arranged at two ends of the crossbeam; each rear point mounting structure comprises an upper sleeve and a lower sleeve; and a boss structure is arranged on an end surface, which is connected with the lower sleeve, of the upper sleeve. According to the scheme, a vertical gap between a mounting plane and the longitudinal beam of an automobile body is adjustable through structural characteristics of the sleeves; and the various problems caused by deformation of an auxiliary frame in the existing scheme are solved.

Description

A kind of auxiliary frame structure and automobile
Technical field
The utility model relates to automotive field, refers to especially a kind of auxiliary frame structure and automobile.
Background technology
At present automobile is designed with handling, ride comfort and the traveling comfort that auxiliary frame structure is realized automobile more, and when promoting the anterior rigidity of car load, also the installation for suspension miscellaneous part provides necessary attachment point.Suspension conventionally adopts four and is installed on chassis runner.The precision of often manufacturing due to precision and the suspension itself of vehicle body processing and manufacturing is not high, and subframe and vehicle body have an attachment point while installing and have gap, and existing structure is by bolt pretightening, by subframe, to produce distortion to offset this gap.
But this settling mode, subframe produces the fatigue life that large distortion can reduce subframe under predetermincd tension, the power producing after subframe distortion simultaneously easily causes bolt pretightening not enough, subframe and vehicle body junction are exerted an influence, and affect noise, vibration and the sound vibration roughness NVH performance of car load, and bolt gets loose and also can affect the handling of car load, even endanger passenger's life security.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of auxiliary frame structure and automobile, the fatigue life of avoiding subframe distortion to reduce subframe, cause bolt pretightening not enough simultaneously, subframe and vehicle body junction are exerted an influence, and affect the NVH performance of car load, and bolt gets loose and also can affect the handling of car load, even endanger the problem of passenger's life security.
For solving the problems of the technologies described above, embodiment of the present utility model provides a kind of auxiliary frame structure, comprising:
Subframe body, comprises the crossbeam with the first bearing of trend and the longeron with the second bearing of trend, and described crossbeam is connected with described longeron, and is provided with the extending bracket with the 3rd bearing of trend on described longeron;
Be arranged at the rear some mounting structure at described crossbeam two ends; Wherein
Described rear some mounting structure comprises sleeve pipe and case in, and is respectively arranged with boss structure on the end face that is connected with described case in of described upper sleeve pipe.
Wherein, described upper sleeve pipe and described case in are combined as the cylindrical-shaped structure with an axial through bore.
Wherein, the boss structure of described upper sleeve pipe comprises the first boss and the second boss, and the height of described the first boss is greater than the height of described the second boss, and difference is the first preset value; Described cased boss structure comprises the 3rd boss and the 4th boss, and the height of described the 3rd boss is greater than the height of described the 4th boss, and difference is the second preset value.
Wherein, the shape and structure of described the first boss, described the second boss, described the 3rd boss and described the 4th boss is all identical; And described the first preset value is identical with described the second preset value.
Wherein, the boss structure surface of described upper sleeve pipe is provided with one deck rubber.
Wherein, described subframe body includes subframe upper body and subframe lower body.
Wherein, described auxiliary frame structure also comprises:
Be arranged at front some mounting structure on described extending bracket.
Wherein, described auxiliary frame structure also comprises:
Be arranged at left side steering box mounting bracket and right hand steering machine mounting bracket on described crossbeam; Wherein
On described left side steering box mounting bracket and described right hand steering machine mounting bracket, be respectively arranged with two mounting holes.
The utility model embodiment also provides a kind of automobile, comprises auxiliary frame structure as above.
The beneficial effect of technique scheme of the present utility model is as follows:
In the utility model embodiment, when rear some mounting structure is fixedly connected with chassis runner, situation for the down suction that occurs existing between mounting plane and chassis runner can be by the upper and lower sleeve pipe of some mounting structure after rotation, the boss face of sleeve pipe boss structure is contacted with the boss face of case in boss structure, absolute altitude in increase between sleeve pipe and case in, thereby reduce the down suction between mounting plane and chassis runner, just do not have the problem of subframe distortion.
Accompanying drawing explanation
Fig. 1 represents the auxiliary frame structure schematic diagram of the utility model embodiment;
Fig. 2 represents rear some mounting structure schematic diagram of the auxiliary frame structure of the utility model embodiment;
Fig. 3 represents the upper sleeve pipe schematic diagram of rear some mounting structure of the auxiliary frame structure of the utility model embodiment;
Fig. 4 represents the case in schematic diagram of rear some mounting structure of the auxiliary frame structure of the utility model embodiment.
Description of reference numerals
1-subframe body; 2-crossbeam; 3-longeron; 4-extending bracket;
After 5-, put mounting structure; The upper sleeve pipe of 51-; 511-the first boss; 512-the second boss; 52-case in; 521-the 3rd boss; 522-the 4th boss;
Point mounting structure before 6-; 7-left side steering box mounting bracket; 8-right hand steering machine mounting bracket.
The specific embodiment
For making the technical problems to be solved in the utility model, technical scheme and advantage clearer, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
The utility model offsets by subframe generation distortion the series of problems such as subframe reduction fatigue life that cause in the vertical gap between mounting plane and chassis runner by bolt pretightening for existing, a kind of auxiliary frame structure and automobile are provided, and the vertical gap of realizing between mounting plane and chassis runner by sleeve structure characteristic is adjustable.
As shown in Figure 1 and Figure 2, a kind of auxiliary frame structure of the utility model embodiment, comprise: subframe body 1, comprise the crossbeam 2 with the first bearing of trend and the longeron 3 with the second bearing of trend, described crossbeam 2 is connected with described longeron 3, and on described longeron 3, is provided with the extending bracket 4 with the 3rd bearing of trend; Be arranged at the rear some mounting structure 5 at described crossbeam 2 two ends; Wherein said rear some mounting structure 5 comprises sleeve pipe 51 and case in 52, and is respectively arranged with boss structure on the end face that is connected with described case in 52 of described upper sleeve pipe 51.
Pass through such scheme, when rear some mounting structure is fixedly connected with chassis runner, situation for the down suction that occurs existing between mounting plane and chassis runner can be by the upper and lower sleeve pipe of some mounting structure after rotation, the boss face of sleeve pipe boss structure is contacted with the boss face of case in boss structure, absolute altitude in increase between sleeve pipe and case in, thereby reduce the down suction between mounting plane and chassis runner, and can not cause subframe distortion.
Wherein, described upper sleeve pipe and described case in are combined as the cylindrical-shaped structure with an axial through bore.Perforation is passed for hold-down bolt, guarantees to only have axial translational degree of freedom after upper and lower sleeve pipe is installed.After revoling tube regulates gap, hold-down bolt attaching nut is the tight pressing of upper and lower sleeve pipe, completes being connected of subframe and chassis runner.
In embodiment of the present utility model, a kind of better implementation of rear some mounting structure as shown in Figure 3, Figure 4, the boss structure of described upper sleeve pipe 51 comprises the first boss 511 and the second boss 512, the height of described the first boss 511 is greater than the height of described the second boss 512, and difference is the first preset value; The boss structure of described case in 52 comprises the 3rd boss 521 and the 4th boss 522, and the height of described the 3rd boss 521 is greater than the height of described the 4th boss 522, and difference is the second preset value.
Rear above-mentioned mounting structure, the first boss of upper sleeve pipe boss structure its face after rotation may contact with groove inner face, the 3rd boss face or the 4th boss face of case in boss structure, like this, staff can rotate wherein suitable combination of selection, highly adjustable by different fit system realizations, reduce the gap with chassis runner.
Certainly, rear above-mentioned mounting structure is only a kind of better implementation, the boss of equal height can be set, the boss of three kinds of differing heights or more in rear some mounting structure, as long as can reach the mode of identical technique effect, all be suitable for, at this, not enumerate.
In structure design of automobile builds, the stability that structure connects is particular importance, it directly has influence on drive safety, the security of the lives and property that relates to driving staff, therefore, for subframe is connected with the stable of chassis runner, on the basis of the utility model above-described embodiment, the shape and structure of described the first boss, described the second boss, described the 3rd boss and described the 4th boss is all identical; And described the first preset value is identical with described the second preset value.
The shape and structure of the first boss, the second boss, the 3rd boss and the 4th boss is all identical, also the structure that has guaranteed groove is identical, no matter how to rotate, contact surface all overlaps completely, having realized subframe is connected with the stable of chassis runner, and first preset value identical with the second preset value, further guaranteed the stability connecting.
On the basis of the utility model above-described embodiment, in order to improve the firm degree coordinating between sleeve pipe, the boss structure surface of described upper sleeve pipe is provided with one deck rubber.Certainly, in order to coordinate with cased, be connected, the boss size of upper sleeve pipe can be carried out according to rubber layer dimensionally-optimised accordingly, rubber the friction force that can increase between sleeve pipe is set, eliminate the noise producing under impact load.
Rubber is not only the boss structure surface that can be arranged on sleeve pipe, also can be arranged on cased boss structure surface, or the boss structure surface of upper and lower sleeve pipe all arranges, and then optimizes accordingly each several part scantling of structure.
Wherein, as shown in Figure 1, described auxiliary frame structure also comprises: be arranged at front some mounting structure 6 on institute's extending bracket 4.After front some mounting structure coordinates, some mounting structure is realized being fixedly connected with of subframe and chassis runner.
In embodiment of the present utility model, described subframe body includes subframe upper body and subframe lower body.Subframe upper body and subframe lower body are metal plate punching and form, and by being welded together, have guaranteed the structural reliability of subframe body.Front some mounting structure and rear some mounting structure are to be all arranged symmetrically at subframe body, are connected by welding to subframe body.
Wherein, as shown in Figure 1, described auxiliary frame structure also comprises: be arranged at left side steering box mounting bracket 7 and right hand steering machine mounting bracket 8 on described crossbeam 2; On wherein said left side steering box mounting bracket 7 and described right hand steering machine mounting bracket 8, be respectively arranged with two mounting holes.Left side steering box is connected its corresponding mounting bracket with right hand steering machine by mounting hole, is fixedly connected on subframe.Wherein, left side steering box mounting bracket and right hand steering machine mounting bracket are also that metal plate punching forms, and are welded on chassis cross-member.
To sum up, the auxiliary frame structure of the utility model embodiment, upper by rear some mounting structure, case in, sleeve pipe boss structure and case in boss structure in utilization, absolute altitude in increase between sleeve pipe and case in, thereby reduce the down suction between mounting plane and chassis runner, eliminated the prestress that in installation process, excessive subframe distortion brings, reduced the risk of subframe cracking, guaranteed the reliability of bolt pretightening, actv. has prevented the moment decay of bolt after urgent or has got loose, improve the noise on chassis, vibration and sound vibration roughness NHV performance and handling stability energy.
The utility model embodiment also provides a kind of automobile, comprises auxiliary frame structure as above.
The auxiliary frame structure of this automobile is by the upper and lower sleeve pipe of rear some mounting structure, sleeve pipe boss structure and case in boss structure in utilization, absolute altitude in increase between sleeve pipe and case in, reduce the down suction between mounting plane and chassis runner, increase the installation stability of subframe and the chassis runner of this automobile, solve the series of problems that traditional subframe distortion causes, guaranteed drive safety.
It should be noted that, this automobile is the automobile of having applied above-mentioned auxiliary frame structure, and the implementation of above-mentioned auxiliary frame structure is applicable to this automobile, also can reach identical technique effect.
The above is preferred implementation of the present utility model; should be understood that; for those skilled in the art; do not departing under the prerequisite of principle described in the utility model; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.

Claims (9)

1. an auxiliary frame structure, is characterized in that, comprising:
Subframe body, comprises the crossbeam with the first bearing of trend and the longeron with the second bearing of trend, and described crossbeam is connected with described longeron, and is provided with the extending bracket with the 3rd bearing of trend on described longeron;
Be arranged at the rear some mounting structure at described crossbeam two ends; Wherein
Described rear some mounting structure comprises sleeve pipe and case in, and is respectively arranged with boss structure on the end face that is connected with described case in of described upper sleeve pipe.
2. auxiliary frame structure according to claim 1, is characterized in that, described upper sleeve pipe and described case in are combined as the cylindrical-shaped structure with an axial through bore.
3. auxiliary frame structure according to claim 1, is characterized in that, the boss structure of described upper sleeve pipe comprises the first boss and the second boss, and the height of described the first boss is greater than the height of described the second boss, and difference is the first preset value; Described cased boss structure comprises the 3rd boss and the 4th boss, and the height of described the 3rd boss is greater than the height of described the 4th boss, and difference is the second preset value.
4. auxiliary frame structure according to claim 3, is characterized in that, the shape and structure of described the first boss, described the second boss, described the 3rd boss and described the 4th boss is all identical; And described the first preset value is identical with described the second preset value.
5. auxiliary frame structure according to claim 1, is characterized in that, the boss structure surface of described upper sleeve pipe is provided with one deck rubber.
6. auxiliary frame structure according to claim 1, is characterized in that, described subframe body includes subframe upper body and subframe lower body.
7. auxiliary frame structure according to claim 1, is characterized in that, described auxiliary frame structure also comprises:
Be arranged at front some mounting structure on described extending bracket.
8. auxiliary frame structure according to claim 1, is characterized in that, described auxiliary frame structure also comprises:
Be arranged at left side steering box mounting bracket and right hand steering machine mounting bracket on described crossbeam; Wherein
On described left side steering box mounting bracket and described right hand steering machine mounting bracket, be respectively arranged with two mounting holes.
9. an automobile, is characterized in that, comprises the auxiliary frame structure as described in claim 1 to 8 any one.
CN201420265875.XU 2014-05-23 2014-05-23 Auxiliary frame structure and automobile Expired - Fee Related CN203902672U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420265875.XU CN203902672U (en) 2014-05-23 2014-05-23 Auxiliary frame structure and automobile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420265875.XU CN203902672U (en) 2014-05-23 2014-05-23 Auxiliary frame structure and automobile

Publications (1)

Publication Number Publication Date
CN203902672U true CN203902672U (en) 2014-10-29

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ID=51776959

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420265875.XU Expired - Fee Related CN203902672U (en) 2014-05-23 2014-05-23 Auxiliary frame structure and automobile

Country Status (1)

Country Link
CN (1) CN203902672U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107207048A (en) * 2015-04-23 2017-09-26 宝马股份公司 Pedestal for vehicle

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107207048A (en) * 2015-04-23 2017-09-26 宝马股份公司 Pedestal for vehicle
US10358006B2 (en) 2015-04-23 2019-07-23 Bayerische Motoren Werke Aktiengesellschaft Axle support for a vehicle
CN107207048B (en) * 2015-04-23 2019-11-15 宝马股份公司 Pedestal for vehicle

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CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20141029