WO2019019501A1 - Flexible positioning and connecting structure - Google Patents

Flexible positioning and connecting structure Download PDF

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Publication number
WO2019019501A1
WO2019019501A1 PCT/CN2017/113309 CN2017113309W WO2019019501A1 WO 2019019501 A1 WO2019019501 A1 WO 2019019501A1 CN 2017113309 W CN2017113309 W CN 2017113309W WO 2019019501 A1 WO2019019501 A1 WO 2019019501A1
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WO
WIPO (PCT)
Prior art keywords
bumper
hood
flexible positioning
positioning structure
vehicle exterior
Prior art date
Application number
PCT/CN2017/113309
Other languages
French (fr)
Inventor
Xiaoshan Liu
Original Assignee
Yanfeng Plastic Omnium Automotive Exterior Systems Co., Ltd.
Compagnie Plastic Omnium
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.)
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Publication date
Application filed by Yanfeng Plastic Omnium Automotive Exterior Systems Co., Ltd., Compagnie Plastic Omnium filed Critical Yanfeng Plastic Omnium Automotive Exterior Systems Co., Ltd.
Publication of WO2019019501A1 publication Critical patent/WO2019019501A1/en

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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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/08—Front or rear portions
    • B62D25/10—Bonnets or lids, e.g. for trucks, tractors, busses, work vehicles
    • B62D25/105—Bonnets or lids, e.g. for trucks, tractors, busses, work vehicles for motor cars

Definitions

  • the invention relates to an automobile front bumper assembly, and more particularly, a flexible positioning and connecting structure.
  • An automobile front bumper assembly comprises a hood, a bumper bracket, and a bumper, in which the bumper is fixedly mounted onto the bumper bracket via positioning structures and connecting structures at both ends, and the top of the bumper needs to be matched with the hood.
  • the invention aims to provide a flexible positioning and connecting structure to solve the above problem of relatively poor consistency in appearance of automobile front bumper assembly in the prior art.
  • a vehicle exterior parts assembly comprising a hood, a bumper bracket, and a bumper, characterized in that the bumper is fixedly mounted onto the bumper bracket, and the bumper bracket is provided with a first flexible positioning structure by which an assembled position of the hood relative to the bumper bracket is delimited such that the bumper is matched with the hood once assembled.
  • the first flexible positioning structure is a pivot structure and can be housed inside the bumper bracket.
  • the vehicle exterior parts assembly according to the invention may also comprise alone or in combination the following characteristics:
  • the first flexible positioning structure is pivoted around an axis between a retracted position, in which position the first flexible positioning structure is retracted on, preferably housed inside, the bumper bracket, and an extended position, in which position the first flexible positioning structure delimits the assembled position of the hood relative to the bumper bracket.
  • the first flexible positioning structure comprises a support plate and a hinge, the support plate being pivoted around the hinge between a retracted position and an extended position.
  • the bumper bracket further comprises a first through opening, and in the retracted position, the support plate is housed inside the first through opening and connected to a side wall of the first through opening via the hinge.
  • a free end of the support plate is provided with a flange for abutting against the hood in the extended position.
  • the support plate In the extended position, the support plate abuts against a front edge of the hood.
  • the bumper is provided with a second flexible positioning structure by which an assembled position of the bumper relative to the bumper bracket is delimited.
  • the second flexible positioning structure comprises a snap arranged on the bumper and the bumper bracket further comprises a second through opening, the snap being inserted into the second through opening while positioning the bumper relative to the bumper bracket.
  • the second flexible positioning structure further comprises an elastic member, for example a spring, arranged on the bumper and the snap is connected to the bumper via the elastic member.
  • an elastic member for example a spring
  • a grille is fixedly mounted on a backside of the bumper and the snap or the snap and the elastic member is/are arranged on the grille.
  • the flexible positioning and connecting structure of the invention can determine the matching position of the hood by the first flexible positioning structure and determine the matching position of the bumper by the second flexible positioning structure.
  • Figure 1 is a schematic diagram of a vehicle exterior parts assembly according to a preferred embodiment of the invention.
  • Figure 2 is a partial, perspective view of the vehicle exterior parts assembly of Figure 1.
  • Figure 1 presents a schematic diagram of a vehicle exterior parts assembly according to a preferred embodiment of the invention, the vehicle exterior parts assembly comprising a hood 1, a bumper bracket 2, and a bumper 3, wherein the bumper 3 is fixedly mounted onto the bumper bracket 2 via positioning and connecting structures at both ends, and a top of the bumper 3 is matched with the hood 1.
  • Figure 2 is a partial, perspective view of the vehicle exterior parts assembly of Figure 1, in which the bumper bracket 2 has a front wall 21a facing the bumper 3 and a top wall 21b facing the hood 1.
  • the bumper bracket 2 has a first through opening 22, which is formed by a partial cutting of the front wall 21a and of the top wall 21b.
  • the support plate 23 is provided with a flange 23a in the proximity of its free end. In the course of actual operation, an installer can exercise an external force on the support plate 23 so as to pivot it around the hinge 24, up to an intermediate position shown by the dotted line 23’, until a supporting (extended) position shown by the dotted line 23”.
  • the flange 23a of the support plate 23 abuts against a front edge 11 of the hood 1, delimiting the position of the hood 1 relative to the bumper bracket 2. It can be understood that once the relative placement position of the hood 1 has been determined, the installer can exercise an external force on the support plate 23 so as to pivot it down, around the hinge 24, passing through the intermediate position shown by the dotted line 23’, and back to the initial position.
  • the bumper bracket 2 further comprises a second through opening 25, which is formed by a partial cutting of the top wall 21b.
  • a grille 31 is mounted on a backside of the bumper 3.
  • the grille 31 is connected to a snap 33 via a spring 32.
  • the snap 33 can be inserted into the second through opening 25 for positioning the bumper 3 relative to the bumper bracket 2.
  • the support plate 23 is molded to be housed in the first through opening 22 of the bumper bracket 2.
  • an installer exercises an external force on the support plate 23 so as to pivot it, around the hinge 24, up to the supporting (extended) position shown by the dotted line 23”.
  • the relative position of the hood 1 is delimited by the abutting of the flange 23a against the front edge 11 of the hood 1.
  • the installer exercises an external force on the support plate 23 so as to pivot it down, around the hinge 24, to return to the initial (retracted) state of being housed in the first through opening 22 of the bumper bracket 2.
  • the installer since the position of the hood 1 has been determined, the installer only needs to elevate the bumper 3 to an appropriate height and then push the bumper 3 backwards toward the bumper bracket 2, eliminating the step of adjusting the bumper 3 in the vertical direction.
  • the position of the snap 33 of the bumper 3 is slightly adjusted by an elastic member, for example a spring 32, and enters into the second through opening 25. Then, when a front end of the snap 33 comes into contact with a side wall of the second through opening 25, the action of pushing backwards the bumper 3 is terminated. At this state, the installer only needs to connect the bumper 3 to the bumper bracket 2 through a connecting structure, eliminating the steps of adjusting the bumper 3 in the front-back direction and in the left-right direction.
  • an elastic member for example a spring 32
  • the support plate 23 and the hinge 24 can be called the first flexible positioning structure.
  • the position of the hood 1 can be determined (i.e., the matching position of the hood 1 can be determined) .
  • the spring 32 and the snap 33 can be called the second flexible positioning structure.
  • the position of the bumper 3 in the front-back and/or left-right directions can be determined (i.e., the matching position of the bumper 3 can be determined) .
  • the presence of defects in the matching area between the bumper 3 and the hood 1 can be avoided, the disparity between an actual value and a theoretical value of the gap and the difference in surface alignment between the two can be reduced, and the theoretical state of design can be approached.

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

Abstract

Vehicle exterior parts assembly comprises a hood (1), a bumper bracket (2), and a bumper (3). The bumper (3) is fixedly mounted onto the bumper bracket (2), and the bumper bracket (2) is provided with a first flexible positioning structure by which an assembled position of the hood (1) relative to the bumper bracket (2) is delimited such that the bumper (3) is matched with the hood (1) once assembled. A flexible positioning and connecting structure can determine the matching position of the hood (1) by the first flexible positioning structure and determine the matching position of the bumper (3) by a second flexible positioning structure. Thus, the presence of defects in the matching area between the bumper (3) and the hood (1) can be avoided, the disparity between an actual value and a theoretical value of the gap and the difference in surface alignment between the two can be reduced, and the theoretical state of design can be approached, thereby improving the consistency in appearance.

Description

[Title established by the ISA under Rule 37.2] FLEXIBLE POSITIONING AND CONNECTING STRUCTURE Field of the Invention
The invention relates to an automobile front bumper assembly, and more particularly, a flexible positioning and connecting structure.
Background of the Invention
An automobile front bumper assembly comprises a hood, a bumper bracket, and a bumper, in which the bumper is fixedly mounted onto the bumper bracket via positioning structures and connecting structures at both ends, and the top of the bumper needs to be matched with the hood.
In the prior art, generally, an installer needs to push a bumper from various directions manually for fixedly mounting it. After actual connection via connecting structures has been done, defects (e.g., relatively large gaps and differences in surface alignment) usually appear in the matching area between the bumper and the hood, thus resulting in relatively poor consistency in appearance.
Summary of the Invention
The invention aims to provide a flexible positioning and connecting structure to solve the above problem of relatively poor consistency in appearance of automobile front bumper assembly in the prior art.
According to the invention, a vehicle exterior parts assembly is provided, comprising a hood, a bumper bracket, and a bumper, characterized in that the bumper is fixedly mounted onto the bumper bracket, and the bumper bracket is provided with a first flexible  positioning structure by which an assembled position of the hood relative to the bumper bracket is delimited such that the bumper is matched with the hood once assembled.
According to a preferred embodiment of the invention, the first flexible positioning structure is a pivot structure and can be housed inside the bumper bracket.
The vehicle exterior parts assembly according to the invention may also comprise alone or in combination the following characteristics:
The first flexible positioning structure is pivoted around an axis between a retracted position, in which position the first flexible positioning structure is retracted on, preferably housed inside, the bumper bracket, and an extended position, in which position the first flexible positioning structure delimits the assembled position of the hood relative to the bumper bracket.
The first flexible positioning structure comprises a support plate and a hinge, the support plate being pivoted around the hinge between a retracted position and an extended position.
The bumper bracket further comprises a first through opening, and in the retracted position, the support plate is housed inside the first through opening and connected to a side wall of the first through opening via the hinge.
A free end of the support plate is provided with a flange for abutting against the hood in the extended position.
In the extended position, the support plate abuts against a front edge of the hood.
The bumper is provided with a second flexible positioning structure by which an assembled position of the bumper relative to the bumper bracket is delimited.
The second flexible positioning structure comprises a snap arranged on the bumper and the bumper bracket further comprises a second through opening, the snap being inserted into the second through opening while positioning the bumper relative to the bumper bracket.
The second flexible positioning structure further comprises an elastic member, for example a spring, arranged on the bumper and the snap is connected to the bumper via the elastic member.
A grille is fixedly mounted on a backside of the bumper and the snap or the snap and the elastic member is/are arranged on the grille.
The flexible positioning and connecting structure of the invention can determine the matching position of the hood by the first flexible positioning structure and determine the matching position of the bumper by the second flexible positioning structure. Thus, the presence of defects in the matching area between the bumper and the hood can be avoided, the disparity between an actual value and a theoretical value of the gap and the difference in surface alignment between the two can be reduced, and the theoretical state of design can be approached, thereby improving the consistency in appearance.
Description of the Drawings
Figure 1 is a schematic diagram of a vehicle exterior parts assembly according to a preferred embodiment of the invention; and
Figure 2 is a partial, perspective view of the vehicle exterior parts  assembly of Figure 1.
Detailed Description of the Invention
A preferred embodiment of the invention is provided and described in detail below in relation with the accompanying drawings.
Figure 1 presents a schematic diagram of a vehicle exterior parts assembly according to a preferred embodiment of the invention, the vehicle exterior parts assembly comprising a hood 1, a bumper bracket 2, and a bumper 3, wherein the bumper 3 is fixedly mounted onto the bumper bracket 2 via positioning and connecting structures at both ends, and a top of the bumper 3 is matched with the hood 1.
Figure 2 is a partial, perspective view of the vehicle exterior parts assembly of Figure 1, in which the bumper bracket 2 has a front wall 21a facing the bumper 3 and a top wall 21b facing the hood 1.
The bumper bracket 2 has a first through opening 22, which is formed by a partial cutting of the front wall 21a and of the top wall 21b. A support plate 23, in an initial (retracted) position, is housed inside the first through opening 22 and connected to a side wall of the first through opening 22 via a hinge 24. In the present embodiment, the support plate 23 is provided with a flange 23a in the proximity of its free end. In the course of actual operation, an installer can exercise an external force on the support plate 23 so as to pivot it around the hinge 24, up to an intermediate position shown by the dotted line 23’, until a supporting (extended) position shown by the dotted line 23”. In the state of the supporting position, the flange 23a of the support plate 23 abuts against a front edge 11 of the hood 1, delimiting the position of the hood 1 relative to the bumper bracket 2. It can be understood that once the relative placement position of the hood 1 has been determined, the installer can  exercise an external force on the support plate 23 so as to pivot it down, around the hinge 24, passing through the intermediate position shown by the dotted line 23’, and back to the initial position.
Advantageously, the bumper bracket 2 further comprises a second through opening 25, which is formed by a partial cutting of the top wall 21b. In reference to Figure 1, a grille 31 is mounted on a backside of the bumper 3. The grille 31 is connected to a snap 33 via a spring 32. The snap 33 can be inserted into the second through opening 25 for positioning the bumper 3 relative to the bumper bracket 2.
A specific application of the vehicle exterior parts assembly of the invention is described in detail below in relation with Figures 1 and 2:
As mentioned above, in the initial state, the support plate 23 is molded to be housed in the first through opening 22 of the bumper bracket 2. First, an installer exercises an external force on the support plate 23 so as to pivot it, around the hinge 24, up to the supporting (extended) position shown by the dotted line 23”. At this state, the relative position of the hood 1 is delimited by the abutting of the flange 23a against the front edge 11 of the hood 1. Then, the installer exercises an external force on the support plate 23 so as to pivot it down, around the hinge 24, to return to the initial (retracted) state of being housed in the first through opening 22 of the bumper bracket 2.
At this state, since the position of the hood 1 has been determined, the installer only needs to elevate the bumper 3 to an appropriate height and then push the bumper 3 backwards toward the bumper bracket 2, eliminating the step of adjusting the bumper 3 in the vertical direction.
While pushing the bumper 3 backwards toward the bumper bracket 2, the position of the snap 33 of the bumper 3 is slightly adjusted by an  elastic member, for example a spring 32, and enters into the second through opening 25. Then, when a front end of the snap 33 comes into contact with a side wall of the second through opening 25, the action of pushing backwards the bumper 3 is terminated. At this state, the installer only needs to connect the bumper 3 to the bumper bracket 2 through a connecting structure, eliminating the steps of adjusting the bumper 3 in the front-back direction and in the left-right direction.
It can be understood that the support plate 23 and the hinge 24 can be called the first flexible positioning structure. Through this first flexible positioning structure, the position of the hood 1 can be determined (i.e., the matching position of the hood 1 can be determined) . In addition, the spring 32 and the snap 33 can be called the second flexible positioning structure. Through this second flexible positioning structure, the position of the bumper 3 in the front-back and/or left-right directions can be determined (i.e., the matching position of the bumper 3 can be determined) . Thus, the presence of defects in the matching area between the bumper 3 and the hood 1 can be avoided, the disparity between an actual value and a theoretical value of the gap and the difference in surface alignment between the two can be reduced, and the theoretical state of design can be approached.
What has been described above is merely a preferred embodiment of the invention, and is not to limit the scope of the invention. The embodiment of the invention described above can be subject to various modifications. All simple, equivalent modifications and embellishments made based on the contents of the claims and the specification of the invention fall within the scope of protection of the claims of the invention. What has not been described in detail in the invention is conventional technology.

Claims (11)

  1. A vehicle exterior parts assembly, comprising a hood (1) , a bumper bracket (2) , and a bumper (3) , characterized in that the bumper (3) is fixedly mounted onto the bumper bracket (2) , and the bumper bracket (2) is provided with a first flexible positioning structure by which an assembled position of the hood (1) relative to the bumper bracket (2) is delimited such that the bumper (3) is matched with the hood (1) once assembled.
  2. The vehicle exterior parts assembly according to claim 1, wherein the first flexible positioning structure is a pivot structure, advantageously housed inside the bumper bracket (2) .
  3. The vehicle exterior parts assembly according to claim 1 or 2, wherein the first flexible positioning structure is pivoted around an axis between a retracted position, in which position the first flexible positioning structure is retracted on, preferably housed inside, the bumper bracket (2) , and an extended position, in which position the first flexible positioning structure delimits the assembled position of the hood (1) relative to the bumper bracket (2) .
  4. The vehicle exterior parts assembly according to any one of the previous claims, wherein the first flexible positioning structure comprises a support plate (23) and a hinge (24) , the support plate (23) being pivoted around the hinge (24) between a retracted position and an extended position.
  5. The vehicle exterior parts assembly according to the previous claim, wherein the bumper bracket (2) further comprises a first through opening (22) , and in the retracted position, the support plate (23) is housed inside the first through opening (22) and connected to a side wall  of the first through opening (22) via the hinge (24) .
  6. The vehicle exterior parts assembly according to claim 4 or 5, wherein a free end of the support plate (23) is provided with a flange (23a) for abutting against the hood (1) in the extended position.
  7. The vehicle exterior parts assembly according to any one of claims 4-6, wherein in the extended position, the support plate (23) abuts against a front edge (11) of the hood (1) .
  8. The vehicle exterior parts assembly according to claim 1, wherein the bumper (3) is provided with a second flexible positioning structure by which an assembled position of the bumper (3) relative to the bumper bracket (2) is delimited.
  9. The vehicle exterior parts assembly according to the previous claim, wherein the second flexible positioning structure comprises a snap (33) arranged on the bumper (3) and the bumper bracket (2) further comprises a second through opening (25) , the snap (33) being inserted into the second through opening (25) while positioning the bumper (3) relative to the bumper bracket (2) .
  10. The vehicle exterior parts assembly according to the previous claim, wherein the second flexible positioning structure further comprises an elastic member (32) , for example a spring (32) , arranged on the bumper (3) and the snap (33) is connected to the bumper (3) via the elastic member (32) .
  11. The vehicle exterior parts assembly according to claim 9 or 10, wherein a grille (31) is fixedly mounted on a backside of the bumper (3) and the snap (33) or the snap (33) and the elastic member (32) is/are arranged on the grille (31) .
PCT/CN2017/113309 2017-07-26 2017-11-28 Flexible positioning and connecting structure WO2019019501A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201720910891.3 2017-07-26
CN201720910891.3U CN207000376U (en) 2017-07-26 2017-07-26 A kind of flexible positioning connection structure

Publications (1)

Publication Number Publication Date
WO2019019501A1 true WO2019019501A1 (en) 2019-01-31

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PCT/CN2017/113309 WO2019019501A1 (en) 2017-07-26 2017-11-28 Flexible positioning and connecting structure

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6962853B2 (en) * 2018-04-09 2021-11-05 本田技研工業株式会社 Vehicle rear bumper

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JP2002211443A (en) * 2001-01-22 2002-07-31 Suzuki Motor Corp Bumper for vehicle
US20030218083A1 (en) * 2002-05-21 2003-11-27 Trynex, Inc. Mounting assembly for supporting a hopper and a spreading mechanism on a vehicle
CN101020441A (en) * 2006-02-15 2007-08-22 马自达汽车股份有限公司 Vehicle front end structure
CN203681475U (en) * 2013-10-22 2014-07-02 长安大学 Active reversible automobile engine hood with synchronously lifted front and back
US20150291113A1 (en) * 2014-04-15 2015-10-15 Ford Global Technologies, Llc Adjustable front fascia for vehicles
CN106184107A (en) * 2016-07-18 2016-12-07 佳木斯大学 Automobile preposition device based on protection pedestrian

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002211443A (en) * 2001-01-22 2002-07-31 Suzuki Motor Corp Bumper for vehicle
US20030218083A1 (en) * 2002-05-21 2003-11-27 Trynex, Inc. Mounting assembly for supporting a hopper and a spreading mechanism on a vehicle
CN101020441A (en) * 2006-02-15 2007-08-22 马自达汽车股份有限公司 Vehicle front end structure
CN203681475U (en) * 2013-10-22 2014-07-02 长安大学 Active reversible automobile engine hood with synchronously lifted front and back
US20150291113A1 (en) * 2014-04-15 2015-10-15 Ford Global Technologies, Llc Adjustable front fascia for vehicles
CN106184107A (en) * 2016-07-18 2016-12-07 佳木斯大学 Automobile preposition device based on protection pedestrian

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