CN108382340B - Connecting structure of front upper bumper and front end module of automobile - Google Patents
Connecting structure of front upper bumper and front end module of automobile Download PDFInfo
- Publication number
- CN108382340B CN108382340B CN201810135622.3A CN201810135622A CN108382340B CN 108382340 B CN108382340 B CN 108382340B CN 201810135622 A CN201810135622 A CN 201810135622A CN 108382340 B CN108382340 B CN 108382340B
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- end module
- upper bumper
- front upper
- bumper
- framework
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/24—Arrangements for mounting bumpers on vehicles
- B60R19/26—Arrangements for mounting bumpers on vehicles comprising yieldable mounting means
- B60R19/34—Arrangements for mounting bumpers on vehicles comprising yieldable mounting means destroyed upon impact, e.g. one-shot type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/34—Protecting non-occupants of a vehicle, e.g. pedestrians
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/34—Protecting non-occupants of a vehicle, e.g. pedestrians
- B60R2021/343—Protecting non-occupants of a vehicle, e.g. pedestrians using deformable body panel, bodywork or components
Abstract
The invention relates to a connecting structure of an automobile front upper bumper and a front end module, which comprises the front end module and a front upper bumper grid matched and connected with the front end module, and is characterized in that: the front bumper framework is arranged between the front end module and the front upper bumper grid; the front upper bumper framework is fixedly connected with the front upper bumper grating and supported by the front end module. The automobile front bumper can be prevented from sinking, and the appearance quality of the automobile is ensured; when the collision force is small, the leg part of the pedestrian can be buffered and supported to a certain extent; when the collision force is large, the leg of the pedestrian can be protected to a certain extent by bending and collapsing the extension cavity, and the injury to the leg of the pedestrian during collision can be reduced; can improve the cooperation precision, alleviate the automobile mass, simple to operate is swift, and is with low costs.
Description
Technical Field
The invention relates to an automobile body, in particular to a connecting structure of an automobile front upper bumper and a front end module.
Background
Because the mixed flow of people and vehicles on domestic roads is relatively common, the collision accident between pedestrians and vehicles is very easy to happen, the legs of the pedestrians are the parts which are most frequently injured, and all automobile enterprises are dedicated to developing more reasonable and safer automobile front-end structures so as to reduce the injuries suffered by the legs of the pedestrians in the collision. The prior automobile front upper bumper is generally directly connected with a front end module through a bracket, such as a tray energy absorber and bumper system disclosed in CN101945779A, and the specification states that: "the bumper system includes an upper bumper portion and a lower bumper portion, the upper bumper portion being connected to the side member by a bracket. When the front upper bumper of the automobile slightly collides with a pedestrian, the leg of the pedestrian cannot be cushioned and supported; when the collision force is large, the deformation is difficult, so that the legs of the pedestrian are greatly injured. Because the front upper bumper is supported only by the bracket, after the automobile runs for a long time, the automobile is easy to sink due to the bumpiness of the road surface and the self weight. Therefore, there is a need for an improved connection structure of an upper front bumper and a front end module of an automobile.
Disclosure of Invention
The invention aims to provide a connecting structure of an automobile front upper bumper and a front end module, which can prevent the automobile front bumper from sinking and ensure the appearance quality of an automobile; when the collision force is small, the leg part of the pedestrian can be buffered and supported to a certain extent; when the collision force is large, the leg of the pedestrian can be protected to a certain extent by bending and collapsing the extension cavity, and the injury to the leg of the pedestrian during collision can be reduced; can improve the cooperation precision, alleviate the automobile mass, simple to operate is swift, and is with low costs.
The invention relates to a connecting structure of an automobile front upper bumper and a front end module, which comprises the front end module and a front upper bumper grid matched and connected with the front end module, and is characterized in that: the front bumper framework is arranged between the front end module and the front upper bumper grid; the front upper bumper framework is fixedly connected with the front upper bumper grating and supported by the front end module.
Further, the front upper bumper framework comprises a vertical energy absorption part and a horizontal energy absorption part which protrudes backwards, wherein the vertical energy absorption part and the horizontal energy absorption part are integrally formed; the left end part and the right end part of the vertical energy absorption part are both provided with extending cavities which protrude backwards, and the extending cavities are both provided with bending holes; the extension cavity on the front upper bumper framework is supported by the front end module.
Furthermore, the left side wall and the right side wall of the extension cavity are provided with weakening holes, guide inclined planes are arranged below the rear end part, and the bending holes are formed in the upper wall of the extension cavity.
Furthermore, a groove is arranged in front of the upper part of the front end module; the extension cavity at the rear part of the front upper bumper framework corresponds to the groove at the front part of the front end module.
Furthermore, a supporting part protruding forwards is arranged on the front end module, the upper surface of the supporting part is coplanar with the lower surface of the groove, and the lower surface of the extension cavity is correspondingly attached to the upper surface of the supporting part.
Furthermore, the left part and the right part of the supporting part are both provided with limiting flanges.
Furthermore, a plurality of positioning holes, a plurality of clamping holes and a plurality of through holes are formed in the vertical energy absorption part, and positioning ribs which are in one-to-one correspondence with the positioning holes, buckles which are in one-to-one correspondence with the clamping holes and threaded holes which are in one-to-one correspondence with the through holes are arranged at the rear part of the front upper bumper grille.
Furthermore, the front upper bumper framework is made of plastic materials.
Furthermore, reinforcing ribs and reinforcing flanges are arranged on the vertical energy absorption part and the horizontal energy absorption part.
The invention has the beneficial technical effects that:
the front part of the front upper bumper framework is fixedly connected with the front upper bumper grille, and the rear part of the front upper bumper framework is supported by the front end module, so that the front end module plays a role in supporting the front upper bumper framework, bears part of the weight of the front upper bumper framework, prevents the front bumper of the automobile from sinking, gives consideration to the attractiveness of the automobile, and meanwhile, when the collision force is small, the front upper bumper framework moves backwards along with the front upper bumper grille until the front upper bumper framework is contacted with the front end module in the collision direction, and plays a certain role in buffering and supporting legs of pedestrians; the extending cavity on the front upper bumper framework is used as a contact part with the front end module, and the extending cavity is provided with the bending hole, so that the extending cavity is easy to break after the impact force reaches a certain degree, the leg of a pedestrian is protected to a certain extent, and the injury to the leg of the pedestrian during collision is reduced; because the left side wall and the right side wall of the extension cavity are provided with the weakening holes, the bending and the collapsing of the extension cavity are accelerated when the extension cavity is impacted by a larger impact force, and the injury to the legs of the pedestrian is further reduced; because the guide inclined plane is designed below the rear end part of the extension cavity, the guide function is realized during installation; because the front part of the front end module is provided with the supporting part, and the two sides of the supporting part are provided with the limiting flanges, the matching precision of the front upper bumper framework and the front end module is ensured; the front upper bumper framework is designed to be made of plastic materials, so that the mass of the automobile is reduced, the lightweight design requirement of the automobile is met, and meanwhile, the deformation is easy in the collision process, and the leg injury to pedestrians is small; the installation is convenient and fast, and the cost is low.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a front upper bumper frame;
FIG. 3 is a front view of FIG. 2;
FIG. 4 is a top view of FIG. 2;
FIG. 5 is a schematic view of the front upper bumper grill;
FIG. 6 is an enlarged view of portion A of FIG. 5;
FIG. 7 is a schematic view showing a connection structure of a front upper bumper frame and a front upper bumper grill;
FIG. 8 is an enlarged view of portion B of FIG. 7;
FIG. 9 is a schematic structural diagram of a front end module;
fig. 10 is a schematic structural view of the front upper bumper frame and the front end module.
In the figure: 1-front upper bumper framework, 2-front upper bumper grille, 3-front end module, 4-screw;
11-a vertical energy absorption part, 12-a horizontal energy absorption part, 13-an extension cavity, 14-a reinforcing rib and 15-a reinforcing flanging;
21-positioning ribs, 22-fasteners and 23-threaded holes;
31-groove, 32-supporting part and 33-limiting flanging;
111-positioning holes, 112-clamping holes and 113-through holes;
131-bending holes, 132-weakening holes, 133-guiding inclined planes.
Detailed Description
The invention is described in detail below with reference to the figures and examples.
Referring to fig. 1 to 10, the connecting structure of the front upper bumper and the front end module of the automobile includes a front end module 3, and a front upper bumper grille 2 connected to the front end module 3 in a matching manner, and is characterized in that: the bumper structure also comprises a front upper bumper framework 1 arranged between the front end module 3 and the front upper bumper grille 2; the front upper bumper framework 1 is fixedly connected with the front upper bumper grille 2 and supported by the front end module 3. The front upper bumper framework 1 is fixedly connected with the front upper bumper grille 2; the front upper bumper framework 1 is placed on the front end module 3, and the front upper bumper framework and the front end module are not connected; the front end module 3 can support the front upper bumper framework 1, bear part of the weight of the front upper bumper framework 1 and prevent the front upper bumper from sinking. When the pedestrian collides with the front end of the vehicle, the front upper bumper grid 2 is deformed by pressure, and the front upper bumper framework 1 is only placed on the front end module 3, and the front upper bumper framework 1 can move backwards for a certain distance along with the pressure on the front upper bumper grid 2 at the moment and then contacts with the front end module 3 in the collision direction, so that a certain buffering effect and a supporting effect can be achieved, and the injury to the legs of the pedestrian during collision is reduced.
The front upper bumper framework 1 comprises an integrally formed vertical energy absorption part 11 and a horizontal energy absorption part 12 protruding backwards; the left end and the right end of the vertical energy absorption part 11 are both provided with extending cavities 13 protruding backwards, and the extending cavities 13 are both provided with bending holes 131; the extension cavity 13 on the front upper bumper frame 1 is supported by the front end module 3. The part (namely the extension cavity 13) of the front upper bumper framework 1 placed on the front end module 3 is designed into a cavity structure, so that the front upper bumper framework 1 and the front end module 3 are easy to deform in the contact of the collision direction during collision, the buffering effect is further achieved, and the injury to legs of pedestrians is reduced. The bending hole 131 formed in the extension cavity 13 is beneficial to deformation of the extension cavity 13.
The left side wall and the right side wall of the extension cavity 13 are provided with weakening holes 132, guide inclined planes 133 are arranged below the rear end parts, and the bending holes 131 are arranged on the upper wall of the extension cavity 13. The weakening holes 132 are a plurality of strip-shaped holes arranged on the left side wall and the right side wall of the extension cavity 13, and guide the extension cavity to be broken in the collision direction in the collision process of the extension cavity 13 and the front end module 3, so as to play a role in buffering. The guide slope 133 can function as a guide when the front upper bumper frame 1 is rested on the front end module 3,
the front of the upper part of the front end module 3 is provided with a groove 31; the extension cavity 13 at the rear part of the front upper bumper framework 1 corresponds to the groove 31 at the front part of the front end module 3.
The front module 3 is provided with a support part 32 protruding forwards, the upper surface of the support part 32 is coplanar with the lower surface of the groove 31, and the lower surface of the extension cavity 13 is correspondingly attached to the upper surface of the support part 32. The support part 32 on the front module 3 makes the extension cavity 13 contact with it more reliably, and the rear end surface of the extension cavity 13 is at a distance from the bottom surface of the groove 31 of the front module 3.
The left part and the right part of the supporting part 32 are both provided with limiting flanges 33. The whole supporting part 32 is equivalent to a guide rail, and the limiting flanging 33 can limit the extension cavity 13, so that the assembly quality is ensured.
The vertical energy absorption part 11 is provided with a plurality of positioning holes 111, a plurality of clamping holes 112 and a plurality of through holes 113, and the rear part of the front upper bumper grille 2 is provided with positioning ribs 21 corresponding to the positioning holes 111 one by one, buckles 22 corresponding to the clamping holes 112 one by one and threaded holes 23 corresponding to the through holes 113 one by one. The three positioning holes 111 are respectively arranged at the left part, the middle part and the right part of the vertical energy absorption part 11; the number of the clamping holes 112 is four, the left part and the right part of the vertical energy absorption part 11 are respectively one, the middle part of the vertical energy absorption part is two, and the two clamping holes 112 in the middle part are respectively positioned at two sides of the positioning hole 111 in the middle part; the number of the through holes 113 is four, and the left and right portions of the vertical energy absorbing portion 11 are two. The number of the positioning holes 111, the card holes 112, and the through holes 113 is arranged according to a specific structure.
The front upper bumper framework 1 is made of plastic materials. The plastic front upper bumper framework 1 can reduce the mass of the automobile, meet the design requirement of light weight of the automobile, and simultaneously has easy deformation in the collision process and less damage to the legs of pedestrians; the cost is low.
And reinforcing ribs 14 and reinforcing flanges 15 are arranged on the vertical energy absorption part 11 and the horizontal energy absorption part 12. The reinforcing beads 14 and the reinforcing beads 15 can increase the strength of the front upper bumper frame 1.
During installation, firstly, a front upper bumper framework 1 is fixedly connected to a front upper bumper grid 2: the positioning hole 111 on the front upper bumper framework 1 is matched and positioned with the positioning rib 21 at the rear part of the front upper bumper grid 2, then the front upper bumper framework 1 is pressed forwards, so that the buckle 22 at the rear part of the front upper bumper grid 2 is clamped and matched with the clamping hole 112 on the front upper bumper framework 1, and the screw 4 passes through the through hole 113 on the front upper bumper framework 1 and is fixedly connected with the threaded hole 23 at the rear part of the front upper bumper grid 2; secondly, the whole formed by connecting the front upper bumper framework 1 and the front upper bumper grille 2 is matched with the front end module 3: the extension cavity 13 on the front upper bumper framework 1 is guided by the guide inclined plane 133, so that the lower surface of the extension cavity 13 of the front upper bumper framework 1 is correspondingly attached to the upper surface of the supporting part 32 of the front end module 3; after positioning, the front upper bumper grids 2 are connected with the front end module 3 in a matched mode, and then assembly is completed. The installation is convenient and fast.
When a pedestrian collides with the front end of the vehicle, the front upper bumper grille 2 deforms under pressure and moves backwards to drive the front upper bumper framework 1 to move backwards until the extension cavity 13 at the rear part of the front upper bumper framework 1 is contacted with the bottom surface of the groove 31 on the front end module 3, and at the moment, the front end module 3 plays a supporting role on the front upper bumper framework 1; when the collision force reaches a certain degree, the extension cavity 13 is bent and collapsed under the action of the bending hole 131 and the weakening hole 132, so that the supporting force of the front end module 3 on the front upper bumper framework 1 is not too large, and the injury on the leg of the pedestrian is reduced.
The existing connecting structure of the front upper bumper and the front end module of the automobile is characterized in that the front upper bumper framework is fixedly connected with the front end module through a support, and the front upper bumper framework and the support are made of aluminum alloy materials. Compared with the existing connecting structure of the front upper bumper and the front end module of the automobile, the leg part of a pedestrian can be better protected; the whole injection moulding of preceding upper bumper skeleton can reduce cost, has reduced the use of support simultaneously, can practice thrift development cost and time.
Claims (5)
1. The utility model provides a connection structure of last bumper and front end module before car, includes front end module (3), with preceding bumper grid (2), characterized by are gone up in front end module (3) cooperation connection: the front bumper structure also comprises a front upper bumper framework (1) arranged between the front end module (3) and the front upper bumper grille (2); the front upper bumper framework (1) is fixedly connected with the front upper bumper grating (2) and is supported by the front end module (3);
the front upper bumper framework (1) comprises an integrally formed vertical energy absorption part (11) and a horizontal energy absorption part (12) protruding backwards; the left end and the right end of the vertical energy absorption part (11) are respectively provided with an extension cavity (13) protruding backwards, the upper wall of the extension cavity (13) is provided with a bending hole (131), the left side wall and the right side wall are provided with a weakening hole (132), and a guide inclined plane (133) is arranged below the rear end; an extension cavity (13) on the front upper bumper framework (1) is supported by the front end module (3);
a groove (31) is arranged in front of the upper part of the front end module (3); the extending cavity (13) at the rear part of the front upper bumper framework (1) corresponds to the groove (31) at the front part of the front end module (3);
the front end module (3) is also provided with a support part (32) protruding forwards, the upper surface of the support part (32) is coplanar with the lower surface of the groove (31), and the lower surface of the extension cavity (13) is correspondingly attached to the upper surface of the support part (32);
when a pedestrian collides with the front end of the automobile, the front upper bumper grille (2) deforms under pressure and moves backwards to drive the front upper bumper framework (1) to move backwards until the extension cavity (13) at the rear part of the front upper bumper framework (1) is contacted with the bottom surface of the groove (31) on the front end module (3); at the moment, the front end module (3) plays a supporting role on the front upper bumper framework (1); when the collision force reaches a certain degree, the extension cavity (13) bends and collapses under the action of the bending hole (131) and the weakening hole (132).
2. The connecting structure of the front upper bumper and the front end module of the automobile according to claim 1, characterized in that: the left part and the right part of the supporting part (32) are both provided with limiting flanges (33).
3. The connecting structure of the front upper bumper and the front end module for the automobile according to claim 1 or 2, characterized in that: the energy-absorbing bumper is characterized in that a plurality of positioning holes (111), a plurality of clamping holes (112) and a plurality of through holes (113) are formed in the vertical energy-absorbing portion (11), and positioning ribs (21) corresponding to the positioning holes (111), buckles (22) corresponding to the clamping holes (112) one by one and threaded holes (23) corresponding to the through holes (113) one by one are arranged at the rear portion of the front upper bumper grille (2).
4. The connecting structure of the front upper bumper and the front end module of the automobile according to claim 1, characterized in that: the front upper bumper framework (1) is made of plastic materials.
5. The connecting structure of the front upper bumper and the front end module of the automobile according to claim 1, characterized in that: and the vertical energy absorption part (11) and the horizontal energy absorption part (12) are respectively provided with a reinforcing rib (14) and a reinforcing flanging (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810135622.3A CN108382340B (en) | 2018-02-09 | 2018-02-09 | Connecting structure of front upper bumper and front end module of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810135622.3A CN108382340B (en) | 2018-02-09 | 2018-02-09 | Connecting structure of front upper bumper and front end module of automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108382340A CN108382340A (en) | 2018-08-10 |
| CN108382340B true CN108382340B (en) | 2021-06-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810135622.3A Active CN108382340B (en) | 2018-02-09 | 2018-02-09 | Connecting structure of front upper bumper and front end module of automobile |
Country Status (1)
| Country | Link |
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| CN (1) | CN108382340B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109050456B (en) * | 2018-09-25 | 2024-02-02 | 延锋彼欧（沈阳）汽车外饰系统有限公司 | Energy-absorbing bracket system of front bumper assembly and installation assembly thereof |
| CN110733450B (en) * | 2019-10-08 | 2021-05-28 | 宁波吉利汽车研究开发有限公司 | Front bumper assembly supporting structure |
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|---|---|---|---|---|
| FR2865696B1 (en) * | 2004-02-03 | 2006-12-22 | Plastic Omnium Cie | CALANDER LINING OF MOTOR VEHICLE |
| JP2007055367A (en) * | 2005-08-23 | 2007-03-08 | Toyota Motor Corp | Structure of bumper for vehicle |
| CN204688026U (en) * | 2015-05-30 | 2015-10-07 | 重庆长安汽车股份有限公司 | The midfoot support structure of automobile front beam |
| CN106114642A (en) * | 2015-05-08 | 2016-11-16 | 通用汽车环球科技运作有限责任公司 | For supporting the supporting structure of the external decorating member of vehicle |
| CN206255083U (en) * | 2016-12-05 | 2017-06-16 | 浙江众泰汽车制造有限公司 | A kind of automotive front end part installation structure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102016002215A1 (en) * | 2016-02-25 | 2017-08-31 | GM Global Technology Operations LLC (n. d. Gesetzen des Staates Delaware) | Front end for a motor vehicle with a bumper cover |
-
2018
- 2018-02-09 CN CN201810135622.3A patent/CN108382340B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2865696B1 (en) * | 2004-02-03 | 2006-12-22 | Plastic Omnium Cie | CALANDER LINING OF MOTOR VEHICLE |
| JP2007055367A (en) * | 2005-08-23 | 2007-03-08 | Toyota Motor Corp | Structure of bumper for vehicle |
| CN106114642A (en) * | 2015-05-08 | 2016-11-16 | 通用汽车环球科技运作有限责任公司 | For supporting the supporting structure of the external decorating member of vehicle |
| CN204688026U (en) * | 2015-05-30 | 2015-10-07 | 重庆长安汽车股份有限公司 | The midfoot support structure of automobile front beam |
| CN206255083U (en) * | 2016-12-05 | 2017-06-16 | 浙江众泰汽车制造有限公司 | A kind of automotive front end part installation structure |
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| CN108382340A (en) | 2018-08-10 |
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