CN202923719U - Vehicle front beam with improved structure - Google Patents
Vehicle front beam with improved structure Download PDFInfo
- Publication number
- CN202923719U CN202923719U CN 201220619386 CN201220619386U CN202923719U CN 202923719 U CN202923719 U CN 202923719U CN 201220619386 CN201220619386 CN 201220619386 CN 201220619386 U CN201220619386 U CN 201220619386U CN 202923719 U CN202923719 U CN 202923719U
- Authority
- CN
- China
- Prior art keywords
- swing arm
- axle beam
- bearing plate
- stay bearing
- bracket
- 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 - Lifetime
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Abstract
The utility model provides a vehicle front beam with an improved structure, and aims to solve the problems that as a swing arm supporting plate and a damper upper support are provided with a cantilever beam structure, stress at the root part of the damper upper support is centralized, and the relative week swing arm supporting plate in the swing arm supporting plate and the damper upper support is easily subjected to fatigue break by a push-pull force generated by the reciprocating motion of a damper which is assembled at the damper upper support. According to the vehicle front beam, the damper upper support is provided with an extension section which extends out of the end part of the outer side of the swing arm supporting plate; and the outer edge of the extension section extends to the outer edge of the end part of the damper upper support through an arc section. By the vehicle front beam, both the stress at the connection part of the swing arm supporting plate and a lining and the stress at the welding part of the damper upper support and the swing arm supporting plate are greatly reduced, and the stresses are prevented from centralizing.
Description
Technical field
The utility model relates to technical field of automobile parts, specifically, relates to a kind of car front beam that improves structure.
Background technology
Car front beam is often referred to be used to the left and right side front suspension apparatus (comprising the parts such as automobile swing arm) that connects described automobile and the member of automotive wheel.Car front beam tightens together the associated components of the left and right sides of automobile, be in the chassis quadra of automobile in the main bearing member of vehicle-body width direction, it is again the vehicle bridge of automobile, an important composition member on chassis.
Because the version of described draft hitch is different, the structure of car front beam is not identical yet.
In the automobile of supporting dependent suspension vehicle bridge, the front-axle beam of its configuration is generally forging, and steel spring is installed thereon, and two ends are connected with steering swivel with wheel.
Adopt for the travelling comfort that improves automobile the front-axle beam that configures in the vehicle bridge of independent suspension, except its two ends connect the left and right draft hitch and the steering swivel member with wheel that comprises the parts such as automobile swing arm, also to fix driving engine, deflector, stabilizer rod of this automobile etc. on described front-axle beam, what the front-axle beam that therefore, configures in the vehicle bridge of employing independent suspension also became is fore sub frame.
Because existing car front beam structure can not satisfy the demand of performance and used life that total mass is the commercial vehicle/comm..vehicle of 3-7 ton, namely it is difficult to guarantee the requirement to the Front wheel Alignment Parameters correctness of running car performance and maneuvering performance material impact.The applicant's Granted publication number provides a kind of car front beam for the Chinese invention patent of CN101224757B, the performance that it has the higher rigidity of structure, operating accuracy and guarantees the accuracy of positioning of vehicle front possesses again good drive ability and service life are arranged simultaneously.
But, cantilever beam structure due to swing arm stay bearing plate and the existence of bumper upper bracket, cause bumper upper bracket Root Stress to be concentrated, the bumper that is assemblied in the bumper upper bracket push-pull effort that produces of crank motion at work easily makes swing arm stay bearing plate relatively weak in swing arm stay bearing plate, bumper upper bracket produce fracture by fatigue.
The utility model content
The utility model is in order to solve existing car front beam, cantilever beam structure due to swing arm stay bearing plate and the existence of bumper upper bracket, cause bumper upper bracket Root Stress to be concentrated, the bumper that is assemblied in the bumper upper bracket push-pull effort that produces of crank motion at work easily makes swing arm stay bearing plate relatively weak in swing arm stay bearing plate, bumper upper bracket produce FATIGUE FRACTURE PROBLEMS, provides a kind of and can effectively address the above problem the car front beam that improves structure.
The technical matters of the required solution of the utility model can be achieved through the following technical solutions:
A kind of car front beam that improves structure, comprise that two ends respectively connect the crossbeam of a longitudinal bracket, this crossbeam two ends also are connected with the swing arm stay bearing plate, swing arm stay bearing plate upper end is welded with the bumper upper bracket, it is characterized in that: described bumper upper bracket is provided with the section of stretching out of stretching out swing arm stay bearing plate outboard end, and the outward flange of the described section of stretching out extends to the outward flange of bumper upper bracket end by arc.
In the utility model, described swing arm stay bearing plate is combined with swing arm support bushing this stay bearing plate body with vertical by former and later two swing arm stay bearing plate bodies that are meniscus shape; Two ends, described swing arm stay bearing plate body up and down respectively are provided with the bush of swing arm hole, and described swing arm support bushing is placed in this bush hole and is welded and fixed one; Form an inclination angle between the upper plane of described longitudinal bracket and described swing arm support bushing line of centers; Described inclination angle is 0.5 to 3 degree.
Before setting welding in the falcate vestibule of described former and later two swing arm stay bearing plate bodies, camber shape is strengthened version, and the length direction of this front-axle beam arch sheet is along the setting of automobile working direction.
Described bumper upper bracket is " recessed " word shape that matches with the swing arm stay bearing plate, and bumper upper bracket medial end is provided with brace panel.
In the utility model, described crossbeam be by:
The upper front-axle beam body that a, cross-sectional plane have band " ∏ " font frame structure combines with the lower front-axle beam body of band " M " font expanded letter structure, and this time front-axle beam body is nested with and is connected in " ∏ " font framework of described upper front-axle beam body also composition with closed cross-section;
B, this crossbeam middle part is arcs of recesses on the automobile short transverse, this arcs of recesses two ends respectively arrange a upper mounting plane, on this mounting plane the automobile working direction be provided with the described longitudinal bracket in inclination angle be arranged on described on mounting plane;
C, this crossbeam are set to variable section at vehicle width direction, the area of this variable section in the upper minimum of automobile width symmetrical plane and the described longitudinal bracket installation place of progressively expanding described crossbeam two ends to both sides to for maximum;
D, described lower front-axle beam body are set to the circular arc of warpage up.
The sub-screen of described upper front-axle beam connects a front-axle beam epiplastron, and the lower plane of described lower front-axle beam connects a front-axle beam bottom web; Described lower front-axle beam body and described upper front-axle beam body adopt welding or riveting.
Upper plane one side of described upper front-axle beam body is connected with steering gear bracket, and described steering gear bracket adopts foundry goods to make and rivets one with described upper front-axle beam.
The utility model improves the car front beam of structure, by stretch out the section of stretching out of swing arm stay bearing plate outboard end in the setting of bumper upper bracket, and extend to the outward flange of bumper upper bracket end by arc at the outward flange of the section of stretching out, make the stress of swing arm stay bearing plate and lining junction, and all greatly reductions of the stress of bumper upper bracket and swing arm stay bearing plate weld, avoided concentrating of stress.
Description of drawings
Further illustrate the utility model below in conjunction with the drawings and specific embodiments.
Fig. 1 is perspective view of the present utility model.
Fig. 2 is front elevation of the present utility model.
The specific embodiment
In order to make technological means of the present utility model, creation characteristic, to reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
Purport of the present utility model is, by the analysis to existing car front beam swing arm stay bearing plate and bumper upper bracket stress, discovery is due to the cantilever beam structure of swing arm stay bearing plate and the existence of bumper upper bracket, cause bumper upper bracket Root Stress to be concentrated, the bumper that is assemblied in the bumper upper bracket push-pull effort that produces of crank motion at work easily makes swing arm stay bearing plate relatively weak in swing arm stay bearing plate, bumper upper bracket produce FATIGUE FRACTURE PROBLEMS, provides a kind of car front beam that improves structure by the utility model.
referring to Fig. 1 and Fig. 2, the utility model improves the car front beam of structure, comprise that two ends respectively connect the crossbeam 1 of a longitudinal bracket 2, this crossbeam 1 two ends also are connected with swing arm stay bearing plate 3, swing arm stay bearing plate 3 upper ends are welded with bumper upper bracket 4, in the utility model, for fear of swing arm stay bearing plate 3 with bumper upper bracket 4 due to cantilever beam structure, cause bumper upper bracket 4 Root Stress to be concentrated, bumper upper bracket 4 is provided with the section of stretching out 41 of stretching out swing arm stay bearing plate 3 outboard end, the outward flange of the section of stretching out 41 extends to the outward flange of bumper 3 upper bracket ends by arc.
This crossbeam 1 includes the upper front-axle beam body of band " ∏ " font frame structure and the lower front-axle beam body of band " M " font frame structure; This time front-axle beam body is nested with and is welded in " ∏ " font framework of front-axle beam body on this and forms a closed cross-section.
The lower plane of upper front-axle beam body is welded to connect a front-axle beam epiplastron; The lower plane of lower front-axle beam body is welded to connect a front-axle beam bottom web.
Be set to the indent arc on the middle part automobile short transverse of this crossbeam 1, this crossbeam 1 two ends respectively arrange one and install the plane.
Swing arm stay bearing plate 3 is welded by the swing arm stay bearing plate body 31 that is meniscus shape and swing arm support sleeve 32 perpendicular to this stay bearing plate body 31.These swing arm stay bearing plate 31 upper and lower ends are provided with swing arm support sleeve hole, and described support sleeve 32 is placed in this support sleeve hole and welded, and this upper and lower support sleeve 32 is respectively used to assemble the upper and lower transverse arm of suspension.
Bumper upper bracket 4 is " recessed " word shape that matches with swing arm stay bearing plate 3, and bumper upper bracket 4 medial ends are provided with brace panel 42.
Welding one front-axle beam arch brace panel 5 is set at the middle part of forward and backward swing arm stay bearing plate 3, and the length direction of front-axle beam arch brace panel 5 is to be arranged between forward and backward swing arm stay bearing plate 3 along the automobile working direction; Forward and backward swing arm stay bearing plate 3 is provoked at the two ends of its function such as shoulder pole.
According to the front axle load character that different automobile types requires, the front-axle beam epiplastron in crossbeam 1, front-axle beam bottom web different planforms can be set; Front-axle beam epiplastron and front-axle beam bottom web perhaps are not set.
Below only be described with regard to the utility model preferred embodiment, but can not be interpreted as it is limitations on claims.The utility model not only is confined to above embodiment, and its concrete structure allows to change.In a word, all various variations of doing in the protection domain of the utility model independent claims are all in protection domain of the present utility model.
Claims (10)
1. car front beam that improves structure, comprise that two ends respectively connect the crossbeam of a longitudinal bracket, this crossbeam two ends also are connected with the swing arm stay bearing plate, swing arm stay bearing plate upper end is welded with the bumper upper bracket, it is characterized in that: described bumper upper bracket is provided with the section of stretching out of stretching out swing arm stay bearing plate outboard end, and the outward flange of the described section of stretching out extends to the outward flange of bumper upper bracket end by arc.
2. a kind of car front beam that improves structure according to claim 1 is characterized in that: described swing arm stay bearing plate is combined with swing arm support bushing this stay bearing plate body with vertical by former and later two swing arm stay bearing plate bodies that are meniscus shape.
3. a kind of car front beam that improves structure according to claim 2 is characterized in that: two ends, described swing arm stay bearing plate body up and down respectively are provided with the bush of swing arm hole, and described swing arm support bushing is placed in this bush hole and is welded and fixed one.
4. a kind of car front beam that improves structure according to claim 3, is characterized in that: form an inclination angle between the upper plane of described longitudinal bracket and described swing arm support bushing line of centers; Described inclination angle is 0.5 to 3 degree.
5. a kind of car front beam that improves structure according to claim 2, it is characterized in that: before setting welding in the falcate vestibule of described former and later two swing arm stay bearing plate bodies, camber shape is strengthened version, and the length direction of this front-axle beam arch sheet is along the setting of automobile working direction.
6. a kind of car front beam that improves structure according to claim 2, it is characterized in that: described bumper upper bracket is " recessed " word shape that matches with the swing arm stay bearing plate, and bumper upper bracket medial end is provided with brace panel.
7. a kind of car front beam that improves structure according to claim 1 is characterized in that: described crossbeam be by:
The upper front-axle beam body that a, cross-sectional plane have band " ∏ " font frame structure combines with the lower front-axle beam body of band " M " font expanded letter structure, and this time front-axle beam body is nested with and is connected in " ∏ " font framework of described upper front-axle beam body also composition with closed cross-section;
B, this crossbeam middle part is arcs of recesses on the automobile short transverse, this arcs of recesses two ends respectively arrange a upper mounting plane, on this mounting plane the automobile working direction be provided with the described longitudinal bracket in inclination angle be arranged on described on mounting plane;
C, this crossbeam are set to variable section at vehicle width direction, the area of this variable section in the upper minimum of automobile width symmetrical plane and the described longitudinal bracket installation place of progressively expanding described crossbeam two ends to both sides to for maximum;
D, described lower front-axle beam body are set to the circular arc of warpage up.
8. a kind of car front beam that improves structure according to claim 7, is characterized in that: the sub-screen connection one front-axle beam epiplastron of described upper front-axle beam, the lower plane connection one front-axle beam bottom web of described lower front-axle beam; Described lower front-axle beam body and described upper front-axle beam body adopt welding or riveting.
9. a kind of car front beam that improves structure according to claim 7, it is characterized in that: upper plane one side of described upper front-axle beam body is connected with steering gear bracket.
10. a kind of car front beam that improves structure according to claim 9 is characterized in that: described steering gear bracket adopts foundry goods to make also and described upper front-axle beam riveted joint one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220619386 CN202923719U (en) | 2012-11-21 | 2012-11-21 | Vehicle front beam with improved structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220619386 CN202923719U (en) | 2012-11-21 | 2012-11-21 | Vehicle front beam with improved structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202923719U true CN202923719U (en) | 2013-05-08 |
Family
ID=48213707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220619386 Expired - Lifetime CN202923719U (en) | 2012-11-21 | 2012-11-21 | Vehicle front beam with improved structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202923719U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105346599A (en) * | 2015-11-18 | 2016-02-24 | 宁波汇众汽车车桥制造有限公司 | Front beam assembly of auxiliary frame |
| CN108100037A (en) * | 2017-12-28 | 2018-06-01 | 东风商用车有限公司 | A kind of asymmetric pocket beam integrates |
-
2012
- 2012-11-21 CN CN 201220619386 patent/CN202923719U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105346599A (en) * | 2015-11-18 | 2016-02-24 | 宁波汇众汽车车桥制造有限公司 | Front beam assembly of auxiliary frame |
| CN108100037A (en) * | 2017-12-28 | 2018-06-01 | 东风商用车有限公司 | A kind of asymmetric pocket beam integrates |
| CN108100037B (en) * | 2017-12-28 | 2023-05-12 | 东风商用车有限公司 | Asymmetric pocket beam integration |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: NINGBO HUIZHONG AUTOMOTIVE AXLE MANUFACTURING CO., Free format text: FORMER NAME: NINGBO YUEJIN AUTOMOBILE FRONT AXLE CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: Tonghui road Jiangbei District 315033 Zhejiang city of Ningbo province No. 366 Patentee after: NINGBO HUIZHONG AUTOMOTIVE CHASSIS MANUFACTURING Co.,Ltd. Address before: 315021, No. 286, North Ring Road, Jiangbei District, Zhejiang, Ningbo Patentee before: NINGBO YUEJIN AUTOMOBILE FRONT AXLE Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20130508 |
|
| CX01 | Expiry of patent term |