CN113997893B - Automobile bumper device with expansion function - Google Patents

Automobile bumper device with expansion function Download PDF

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Publication number
CN113997893B
CN113997893B CN202010729713.7A CN202010729713A CN113997893B CN 113997893 B CN113997893 B CN 113997893B CN 202010729713 A CN202010729713 A CN 202010729713A CN 113997893 B CN113997893 B CN 113997893B
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China
Prior art keywords
bumper
expansion
rotating shaft
lock pin
trigger
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Active
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CN202010729713.7A
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Chinese (zh)
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CN113997893A (en
Inventor
陈亚军
李楠
安超群
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Modern Auto Co Ltd
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Modern Auto Co Ltd
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Publication date
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Priority to CN202010729713.7A priority Critical patent/CN113997893B/en
Publication of CN113997893A publication Critical patent/CN113997893A/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R19/00Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
    • B60R19/02Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
    • B60R19/023Details
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R19/00Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
    • B60R19/02Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
    • B60R19/04Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects formed from more than one section in a side-by-side arrangement

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Body Structure For Vehicles (AREA)
  • Vibration Dampers (AREA)

Abstract

The invention discloses an automobile bumper device with an expansion function, which comprises a bumper (1) and two bumper expansion components (2), wherein the two bumper expansion components are respectively arranged at two ends of the bumper; the bumper extension assembly is provided with a trigger part, the trigger part is positioned in front of the bumper, and when the trigger part is displaced towards the bumper under the action of external force, the bumper extension assembly can be extended and unfolded towards the extension direction of the end part of the bumper; an expansion locking mechanism is further arranged between the bumper expansion assembly and the bumper, and can lock and combine the bumper expansion assembly and the bumper into a whole when the bumper expansion assembly expands to the extending direction of the bumper. The bumper device can be unfolded when collision occurs, so that the impact force is dispersed greatly, the damage of collision impact to the whole structure of the vehicle is reduced, and the personal safety of drivers and passengers in the carriage is fully protected.

Description

Automobile bumper device with expansion function
Technical Field
The present invention relates to an automobile bumper, and more particularly, to an automobile bumper device with an extended function.
Background
The bumpers are arranged in front and at the back of the existing automobile, so that the whole anti-collision deformation capacity of the automobile can be guaranteed when the automobile collides, and the personal safety of drivers and passengers in the automobile is well protected.
The configuration of the vehicle bumper is affected by various requirements such as attractive appearance, weight reduction, pedestrian protection and the like, and the protection range or the protection area of the bumper is not very large. When two vehicles collide, the protection range of the bumper is smaller, the force area of the two vehicles during collision is smaller, the collision force is concentrated, the energy absorption structures of the two vehicles cannot fully exert the effect of absorbing collision impact energy, so that the two vehicles can be damaged to a certain extent, and for vehicles with smaller vehicle types, if the protection range of the large opposite vehicle bumper is smaller, the collision force of the large opposite vehicle bumper on the small vehicle is concentrated, so that the large opposite vehicle is damaged, and the personal safety of drivers and passengers in the vehicles is threatened.
In view of the above-mentioned problems, the expansion of the protective range of the bumper can be achieved by simply increasing the structural size of the bumper, however, the structural size of the bumper in a normal vehicle structure is not likely to be large due to the limitation of the vehicle type structure.
Disclosure of Invention
The invention aims to provide an automobile bumper device with an expansion function, which can be expanded and unfolded when collision occurs, so that the impact force is greatly dispersed, the damage of collision impact to the whole structure of a vehicle is reduced, and the personal safety of drivers and passengers in a carriage is fully protected.
In order to achieve the technical purpose, the invention adopts the following technical scheme:
an automobile bumper device with an expansion function, the bumper device comprises a bumper and two bumper expansion components, wherein the two bumper expansion components are respectively arranged at two ends of the bumper; the bumper extension assembly is provided with a trigger part, the trigger part is positioned in front of the bumper, and when the trigger part is displaced towards the bumper under the action of external force, the bumper extension assembly can be extended and unfolded towards the extension direction of the end part of the bumper; an expansion locking mechanism is further arranged between the bumper expansion assembly and the bumper, and can lock and combine the bumper expansion assembly and the bumper into a whole when the bumper expansion assembly expands to the extending direction of the bumper.
Further, the bumper extension assembly comprises a trigger baffle, an extension stop block, a spring lock pin and a rotating shaft; one end of the trigger baffle is a rotating shaft end, and the other end of the trigger baffle is a trigger end; the expansion stop block is provided with a rotating shaft end, the rotating shaft end of the trigger baffle is fixedly connected with the rotating shaft end of the expansion stop block, and the rotating shaft end of the trigger baffle and the rotating shaft end of the expansion stop block are connected with the bumper in a rotating way through a rotating shaft; the triggering part of the bumper extension assembly is the triggering baffle, the triggering end of the triggering baffle is positioned in front of the bumper, and the extension stop block is positioned at the rear of the bumper; when the triggering end of the triggering baffle is displaced towards the bumper under the action of external force, the triggering baffle can drive the expansion stop block to rotate around the rotating shaft and expand towards the extending direction of the end part of the bumper; the spring lock pin is arranged at the end part of the bumper, the expansion stop block is provided with a lock pin hole corresponding to the spring lock pin, and the spring lock pin and the lock pin hole on the expansion stop block jointly form the expansion locking mechanism; the spring lock pin is offset from the lock pin hole in the expansion block when the expansion block is behind the bumper, and is capable of aligning with and locking the lock pin hole in the expansion block when the expansion block is rotated about the swivel axis into the extending direction of the bumper end.
Further, the expansion block is elongated upward and downward by a length in a vertical direction, respectively.
Compared with the prior art, the bumper device has the beneficial effects that: the bumper device is provided with the bumper expansion components, the two ends of the bumper are respectively provided with the bumper expansion components, when the vehicle is in a normal condition, the bumper expansion components are in a contracted standby state, and when the head of the vehicle collides with the front vehicle, the bumper expansion components are immediately expanded and are locked and connected with the bumper into a whole to jointly resist the collision of the opposite vehicle, the contact area of the expanded bumper device and the head of the opposite vehicle is greatly increased, so that the impact force is greatly dispersed, the energy absorption structure at the head can fully play the role of absorbing the collision energy, the damage of the collision impact to the whole structure of the vehicle is reduced to the greatest extent, and the personal safety of drivers and passengers in the carriage is fully protected.
Drawings
FIG. 1 is a top plan view of an automotive bumper system with an extension function of the present invention, with a bumper extension assembly in a retracted standby state;
FIG. 2 is a top plan view of the bumper system of the present invention, with the bumper extension assembly in an extended locked condition;
fig. 3 is a front view of the bumper system of the present invention with the bumper extension assembly in an extended locked condition.
In the figure: 1-bumper, 2-bumper expansion assembly, 21-trigger baffle, 22-expansion block, 23-spring lock pin, 24-rotating shaft, 25-lock pin hole.
Detailed Description
The invention is further described with reference to the drawings and the specific embodiments below:
referring to fig. 1 to 3, the present invention is an automobile bumper system with an extended function, which is mainly used for front protection of an automobile.
Referring to fig. 1, 2 and 3, the bumper system includes a bumper 1 and two bumper extension members 2, the two bumper extension members 2 being mounted to both ends of the bumper 1, respectively.
The bumper extension assembly 2 is provided with a triggering part, the triggering part is positioned in front of the bumper 1, and when the triggering part is displaced towards the bumper 1 under the action of external force, the bumper extension assembly 2 can be extended and unfolded towards the extension direction of the end part of the bumper 1; an expansion locking mechanism is further provided between the bumper expansion member 2 and the bumper 1, and is capable of locking and integrating the bumper expansion member 2 with the bumper 1 when the bumper expansion member 2 expands to the extending direction of the bumper 1.
Referring to fig. 1, 2 and 3, more specifically, the bumper extension assembly 2 includes a trigger shield 21, an extension stop 22, a spring lock 23 and a spindle 24.
One end of the trigger baffle 21 is a rotating shaft end, and the other end of the trigger baffle 21 is a trigger end; the expansion stop block 22 is provided with a rotating shaft end, the rotating shaft end of the trigger baffle 21 is fixedly connected with the rotating shaft end of the expansion stop block 22, namely, the trigger baffle 21 and the expansion stop block 22 are connected into a whole, the rotating shaft end of the trigger baffle 21 and the rotating shaft end of the expansion stop block 22 are connected with the bumper 1 in a rotating way through a rotating shaft 24, and the rotating shaft 24 is generally perpendicular to the ground.
The triggering part of the bumper extension assembly 2 is the triggering baffle 21, the triggering end of the triggering baffle 21 is positioned in front of the bumper 1, and the extension stop block 22 is positioned behind the bumper 1; when the trigger end of the trigger baffle 21 is displaced toward the bumper 1 by an external force, the trigger baffle 21 and the expansion stop 22 are integrally connected, and the trigger baffle 21 can drive the expansion stop 22 to rotate around the rotating shaft 24 and expand toward the extending direction of the end of the bumper 1. The whole of the trigger baffle 21 and the expansion block 22 is equivalent to a lever using the rotating shaft 24 as a fulcrum, and when the trigger end of the trigger baffle 21 is displaced towards the bumper 1 under the action of external force, the expansion block 22 is pried to expand towards the extending direction of the end part of the bumper 1 under the action of the lever force.
Referring to fig. 1, the spring lock pin 23 is disposed at an end of the bumper 1, the expansion stop block 22 is provided with a lock pin hole 25 corresponding to the spring lock pin 23, and the spring lock pin 23 and the lock pin hole 25 on the expansion stop block 22 together form the expansion locking mechanism; when the expansion block 22 is located behind the bumper 1, the spring lock pin 23 is offset from the lock pin hole 25 in the expansion block 22, and when the expansion block 22 is rotated about the rotation shaft 24 to the extending direction of the end of the bumper 1, the spring lock pin 23 can be aligned with and lock the lock pin hole 25 in the expansion block 22, that is, lock and integrate the expansion block 22 with the bumper 1.
Referring to fig. 1 and 2, the bumper system according to the present embodiment is mainly used for protecting the head of an automobile. When the vehicle is in a normal condition, the bumper extension assemblies 2 at the two ends of the bumper 1 are in a contracted standby state, specifically, the triggering end of the triggering baffle 21 is positioned in front of the bumper 1, the extension stop 22 is positioned behind the bumper 1, namely, the extension stop 22 is hidden behind the bumper 1, and the spring lock pins 23 are staggered with the lock pin holes 25 on the extension stop 22, as shown in fig. 1; when the head of the vehicle collides with the front vehicle, the bumper extension assemblies 2 at the two ends of the bumper 1 are immediately unfolded and locked and connected with the bumper 1 into a whole, specifically, the trigger end of the trigger baffle 21 in front of the bumper 1 is firstly contacted with the opposite vehicle, the trigger end of the trigger baffle 21 is displaced towards the bumper 1 under the pressure of the opposite vehicle, and the extension stop 22 rotates around the rotating shaft 24 and is unfolded towards the extending direction of the end of the bumper 1 under the action of the lever force until the spring lock pins 23 at the end of the bumper 1 are locked with the lock pin holes 25 on the extension stop 22, so that the extension stop 22 and the bumper 1 are combined into a whole to jointly resist the collision of the opposite vehicle, as shown in fig. 2. The contact area of the expanded bumper device and the head of the opposite vehicle is greatly increased, so that the impact force is greatly dispersed, the energy absorption structure at the head can fully play the role of absorbing the collision energy, and further the damage to the whole structure of the vehicle caused by collision impact is reduced to the greatest extent, so that the personal safety of drivers and passengers in the carriage is fully protected, and the concentration degree of the impact force on the opposite vehicle can be reduced, so that the drivers and passengers of the opposite vehicle are prevented from personal injury.
Further preferably, the expansion block 22 is elongated upward and downward by a length in the vertical direction, respectively, as seen in fig. 3, so that the area of the bumper system after expansion can be further increased.
The above embodiments are merely preferred embodiments of the present invention and are not intended to limit the scope of the present invention, therefore, any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (2)

1. An automobile bumper system with extended functionality, characterized in that: the bumper device comprises a bumper (1) and two bumper extension assemblies (2), wherein the two bumper extension assemblies (2) are respectively arranged at two ends of the bumper (1);
the bumper extension assembly (2) is provided with a trigger part, the trigger part is positioned in front of the bumper (1), and when the trigger part is displaced towards the bumper (1) under the action of external force, the bumper extension assembly (2) can be extended and unfolded towards the extension direction of the end part of the bumper (1); an expansion locking mechanism is further arranged between the bumper expansion assembly (2) and the bumper (1), and can lock and combine the bumper expansion assembly (2) and the bumper (1) into a whole when the bumper expansion assembly (2) is expanded to the extending direction of the bumper (1);
the bumper extension assembly (2) comprises a trigger baffle (21), an extension stop block (22), a spring lock pin (23) and a rotating shaft (24);
one end of the trigger baffle (21) is a rotating shaft end, and the other end of the trigger baffle (21) is a trigger end; the expansion stop block (22) is provided with a rotating shaft end, the rotating shaft end of the trigger baffle (21) is fixedly connected with the rotating shaft end of the expansion stop block (22), and the rotating shaft end of the trigger baffle (21) and the rotating shaft end of the expansion stop block (22) are connected with the bumper (1) in a rotating way through a rotating shaft (24);
the triggering part of the bumper extension assembly (2) is the triggering baffle (21), the triggering end of the triggering baffle (21) is positioned in front of the bumper (1), and the extension stop block (22) is positioned behind the bumper (1); when the triggering end of the triggering baffle plate (21) is displaced towards the bumper (1) under the action of external force, the triggering baffle plate (21) can drive the expansion stop block (22) to rotate around the rotating shaft (24) and expand towards the extending direction of the end part of the bumper (1);
the spring lock pin (23) is arranged at the end part of the bumper (1), the expansion stop block (22) is provided with a lock pin hole (25) corresponding to the spring lock pin (23), and the spring lock pin (23) and the lock pin hole (25) on the expansion stop block (22) jointly form the expansion locking mechanism; when the expansion block (22) is positioned behind the bumper (1), the spring lock pin (23) is staggered from the lock pin hole (25) on the expansion block (22), and when the expansion block (22) rotates around the rotating shaft (24) to the extending direction of the end part of the bumper (1), the spring lock pin (23) can be aligned with and locked with the lock pin hole (25) on the expansion block (22).
2. The vehicle bumper system with extended function according to claim 1, wherein: the expansion blocks (22) are respectively extended upward and downward by a length in the vertical direction.
CN202010729713.7A 2020-07-27 2020-07-27 Automobile bumper device with expansion function Active CN113997893B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010729713.7A CN113997893B (en) 2020-07-27 2020-07-27 Automobile bumper device with expansion function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010729713.7A CN113997893B (en) 2020-07-27 2020-07-27 Automobile bumper device with expansion function

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CN113997893A CN113997893A (en) 2022-02-01
CN113997893B true CN113997893B (en) 2024-02-06

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004306871A (en) * 2003-04-09 2004-11-04 Toyota Motor Corp Bumper structure of vehicle
JP2008254659A (en) * 2007-04-06 2008-10-23 Toyota Motor Corp Bumper installing structure
CN102139670A (en) * 2011-02-22 2011-08-03 周世愚 Rotating bumper
CN102673500A (en) * 2011-03-07 2012-09-19 周世愚 Warped bumper bar
CN104276120A (en) * 2014-09-24 2015-01-14 苏州合欣美电子科技有限公司 Initiative electrically-controlled anti-collision bumper for automobiles
CN109017649A (en) * 2018-06-28 2018-12-18 合肥东胜新能源汽车股份有限公司 A kind of spliced front bumper for truck
CN209833797U (en) * 2019-04-01 2019-12-24 河南省步步先动力科技有限公司 Extensible carriage turnover mechanism

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004306871A (en) * 2003-04-09 2004-11-04 Toyota Motor Corp Bumper structure of vehicle
JP2008254659A (en) * 2007-04-06 2008-10-23 Toyota Motor Corp Bumper installing structure
CN102139670A (en) * 2011-02-22 2011-08-03 周世愚 Rotating bumper
CN102673500A (en) * 2011-03-07 2012-09-19 周世愚 Warped bumper bar
CN104276120A (en) * 2014-09-24 2015-01-14 苏州合欣美电子科技有限公司 Initiative electrically-controlled anti-collision bumper for automobiles
CN109017649A (en) * 2018-06-28 2018-12-18 合肥东胜新能源汽车股份有限公司 A kind of spliced front bumper for truck
CN209833797U (en) * 2019-04-01 2019-12-24 河南省步步先动力科技有限公司 Extensible carriage turnover mechanism

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