CN207813332U

CN207813332U - The automobile of the hinge of the hinge and use of the hood hood

Info

Publication number: CN207813332U
Application number: CN201721507986.7U
Authority: CN
Inventors: 李敏浩; 刘向征; 周庆佳
Original assignee: Guangzhou Automobile Group Co Ltd
Current assignee: Guangzhou Automobile Group Co Ltd
Priority date: 2017-11-13
Filing date: 2017-11-13
Publication date: 2018-09-04
Anticipated expiration: 2027-11-13

Abstract

The utility model provides a kind of hinge of hood and can effectively be reduced pedestrian head using the automobile of the hinge of the hood and be hurt, especially in the case where crumple space is smaller.The hinge of the hood includes bearing, connector and the pivoted arm for being installed with elastic element, it is installed with the fixed block for being formed with first through hole on the bearing or the pivoted arm, it is formed with the second through-hole on the bearing or the pivoted arm, the inner wall of the first through hole is equipped with the support portion for being divided into shaft tip hole and crumple hole, buffer stopper is equipped in the crumple hole, the connector passes through the shaft tip hole and second through-hole, when the power that the connector is applied to the support portion is more than predetermined value, the support portion is destroyed and fails, so that the connector is along crumple hole crumple and squeezes the buffer stopper, second through-hole provides crumple space for the connector, when the connector crumple, the elastic element is squeezed by the bearing.

Description

The automobile of the hinge of the hinge and use of the hood hood

Technical field

The utility model is related to hinge technical fields, specifically, being related to a kind of hinge of hood and being started using this The automobile of the hinge of hood.

Background technology

The fast development of auto industry technology makes automobile have become the essential vehicles in people's daily life, The accident that pedestrian collides with automobile front easily occurs in the driving process of vehicle, which often causes pedestrian head It collides with hood (also known as bonnet).In the prior art, hood is fixed on by hinge on vehicle body, and is passed through Hinge realizes the opening and closing of hood, keeps hood to be moved in rational opening angle, while hinge needs to protect It is demonstrate,proved with enough intensity, reaches the support positioning to hood, convenient for the checking of part in cabin, is repaired.However it sends out The structure type of dynamic hood hinge can affect greatly the size of collision damage, therefore need to consider in hinge design The demand of pedestrian protecting head impact.

As shown in Figure 1, a kind of existing hinge arrangement is made of pivoted arm 1 ', bearing 2 ', connector 3 '.Wherein, pivoted arm 1 ' On be provided with bolt hole 4 ', bolt hole 5 ' be provided with to be connected with hood, on bearing 2 ' bolt hole 6 ', bolt hole 7 ' to Vehicle body connects.When generation head touches operating mode, without deformation space crumple cannot occur for hinge itself, easily in pedestrian and vehicle Pedestrian head is caused compared with major injury when colliding.

Therefore, it is necessary to provide a kind of hinge arrangement to avoid the above problem.

Utility model content

In order to solve the above-mentioned technical problem, the utility model provides a kind of hinge of hood and uses the hood Hinge automobile, the hinge of the hood and the automobile using the hinge of the hood can effectively reduce pedestrian head institute It is hurt, especially in the case where crumple space is smaller.

The technical solution of the utility model is as follows：

A kind of hinge of hood, including bearing, connector and by the connector and the bearing it is hinged Pivoted arm is installed with fixed block on the wherein side in the bearing and the pivoted arm, first through hole is formed on the fixed block, It is installed in the bearing and the pivoted arm on a side of the fixed block and is formed with the second through-hole, the inner wall of the first through hole It is equipped with the support portion that the first through hole is separated into shaft tip hole and crumple hole, buffer stopper is equipped in the crumple hole, it is described Connector passes through the shaft tip hole and second through-hole, the support portion to be configured to, when the connector be applied to it is described When the power of support portion is more than predetermined value, the support portion is destroyed and fails, so that the connector is burst along the crumple hole It contracts and squeezes the buffer stopper, second through-hole provides crumple space for the connector, wherein also fixed on the pivoted arm Flexible device, when the connector is along the crumple hole crumple, the elastic element is squeezed by the bearing generates reversed make Firmly.

Preferably, the support portion includes opposite and spaced first part and second part.

Preferably, the fixed block includes the first fixed part and the second fixed part, first fixed part and described second Fixed part cooperatively forms the first through hole, and the first part is fixedly arranged on first fixed part, and the second part is solid On second fixed part.

Preferably, the support portion is shaped on the inner wall of the first through hole.

Preferably, the support portion is connect in which can be broken with the inner wall of the first through hole, when the connector is applied to When the power of the support portion is more than predetermined value, the support portion can be detached from the inner wall of the first through hole.

Preferably, the support portion is connect with the inner wall of the first through hole by electric resistance welding in which can be broken.

Preferably, the bearing includes upper bracket and bends the undersetting that extends to form, the fixation from the upper bracket Block is fixedly arranged on the upper bracket, and the crumple hole relative to the shaft tip hole closer to the undersetting.

Preferably, the pivoted arm includes by the connector and the hinged upper pivoted arm of the bearing and from the upper pivoted arm The lower pivoted arm extended to form is bent, is installed with mounting portion on the lower pivoted arm, the elastic element is fixedly arranged on the mounting portion.

Preferably, the wherein side in the bearing and the pivoted arm is detachably connected with the fixed block.

The utility model also provides a kind of automobile, and the automobile includes the hinge of any one of them hood among the above Chain, the bearing in the hinge of the hood are fixedly connected with body of a motor car, the pivoted arm in the hinge of the hood with Hood is fixedly connected.

The automobile of the hinge of the hood of the utility model embodiment offer and the hinge using the hood, has Following technique effect：When vehicle and pedestrian collision, the hood can be passed to impact force by the pivoted arm The connector, when the impact force is more than predetermined value, the support portion is destroyed and fails, to which the connector can be along institute It states the crumple of crumple hole and squeezes the buffer stopper, and when the connector is along the crumple hole crumple, elastic element meeting again It is squeezed by the undersetting and generates opposition to buffer the impact force from the pivoted arm.Due to the buffer stopper and described The double buffering of elastic element acts on, and can so that collision process is gentler, so as to effectively reduce pedestrian head institute The injury being subject to, especially in the case where crumple space is smaller；Simultaneously as the support portion and the buffer stopper are set On the fixed block, so as to the processing and manufacturing convenient for buffer structure.

Description of the drawings

It is required in being described below to embodiment in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings Other attached drawings are obtained, wherein：

Fig. 1 is the structural schematic diagram of hood hinge in the prior art；

Fig. 2 is the structural schematic diagram of the hood hinge embodiment one of the utility model；

Fig. 3 is the exploded view of hood hinge shown in Fig. 2；

Fig. 4 is the front view of hood hinge shown in Fig. 2；

Fig. 5 is the vertical view of hood hinge shown in Fig. 2.

Specific implementation mode

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work The all other embodiment obtained, shall fall within the protection scope of the present invention.

A kind of automobile includes body of a motor car, hood and is connect respectively with the body of a motor car and the hood The hinge of hood.

Fig. 2 to Fig. 5 is please referred to, the hinge 100 of the hood includes pivoted arm 11, bearing 12 and connector 13, The pivoted arm 11 includes upper pivoted arm 111 and bends the lower pivoted arm 113 extended to form, the lower pivoted arm 113 from the upper pivoted arm 111 It is equipped with mounting hole 115,117, the bearing 12 includes upper bracket 121 and extended to form down from the bending of the upper bracket 121 Bearing 123, the undersetting 123 are equipped with mounting hole 125,127, the upper pivoted arm 111 and the upper bracket 121 described in Connector 13 is hinged.When the hinge 100 of the hood is installed, the pivoted arm 11 passes through the fixation by bolt or screw Hole 115,117 is simultaneously locked on the hood, and the bearing 12 passes through the mounting hole 125,127 by bolt or screw And it is locked on the body of a motor car.As a result, the hood can by the swing of the pivoted arm 11 realize reset be closed or Person opens, meanwhile, when the engine is covered with front and opens, the pivoted arm 11, which plays, to be supported the hood and positions Effect.In the present embodiment, the connector 13 is rotatable cylindrical structure.Further, the connector 13 is worn Cross the upper pivoted arm 111 and the upper bracket 121 and respectively with the upper pivoted arm 111 and the upper bracket 121 riveting so that The pivoted arm 11 and the bearing 12 are hinged by the connector 13.

Be installed with fixed block 14 on the upper bracket 121, be formed with first through hole 141 on the fixed block 14, it is described on The second through-hole 120 is formed on bearing 121, the inner wall of the first through hole 141 is equipped with support portion 15, and the support portion 15 will The first through hole 141 is separated into shaft tip hole 143 and crumple hole 145, and buffer stopper 16, the company are equipped in the crumple hole 145 Fitting 13 passes through the shaft tip hole 143 and second through-hole 120.Wherein, the support portion 15 is configured to, when the connection When the power that part 13 is applied to the support portion 15 is more than predetermined value, the support portion 15 is destroyed and fails, so that the company Fitting 13 is along 145 crumple of crumple hole and squeezes the buffer stopper 16, and second through-hole 120 is that the connector 13 provides Crumple space；It is installed with mounting portion 17 on the lower pivoted arm 123, elastic element 18, the company are installed on the mounting portion 17 When fitting 13 is along 145 crumple of crumple hole, the elastic element 18 by the undersetting 123 squeeze generate opposition with Buffer the impact force from the pivoted arm 11.That is, when vehicle and pedestrian collision, the hood can will touch It hits power and the connector 13 is passed to by the pivoted arm 11, when the impact force is more than predetermined value, the support portion 15 is broken It is bad and fail, so that the connector 13 along 145 crumple of crumple hole and can squeeze the buffer stopper 16, and the connector 13 along 145 crumple of crumple hole when, the elastic element 18 again can by the undersetting 123 squeeze generate opposition with Buffer the impact force from the pivoted arm 11.It, can since the double buffering of the buffer stopper 16 and the elastic element 18 acts on So that collision process is gentler, so as to effectively reduce the injury suffered by pedestrian head, especially in crumple sky Between it is smaller in the case of；Simultaneously as the support portion 15 and the buffer stopper 16 are arranged on the fixed block 14, to It can be in order to the processing and manufacturing of buffer structure.

The support portion 15 includes opposite and spaced first part and second part.

In the present embodiment, the support portion 15 is shaped on the inner wall of the first through hole 141, when vehicle and row People collides, and impact force can be passed to the connector 13 by the hood by the pivoted arm 11, when the impact force When more than predetermined value, 15 deformation of the support portion to so that the connector 13 pass through the support portion 15, or even be impacted and Fracture.Wherein, the dimensional parameters of the first part and the second part can be by experiment (such as length, width and thickness) Mode is selected, and the dimensional parameters of selection will enable makes 15 deformation of the support portion to so that institute when impact force reaches preset value It states connector 13 and passes through the support portion 15, or even be impacted and be broken, so that the connector 13 is along the crumple hole 145 crumples simultaneously squeeze the buffer stopper 16.

In the present embodiment, the support portion 15 can also be connect in which can be broken with the inner wall of the first through hole 141, when When the power that the connector 13 is applied to the support portion 15 is more than predetermined value, the support portion 15 can be detached from the first through hole 141 inner wall.

The implementation that can also be connect with being broken with the inner wall of the first through hole 141 as the support portion 15 Example, the support portion 15 are connect with the inner wall of the first through hole 141 by electric resistance welding in which can be broken.The welding parameter of electric resistance welding (such as welding pressure, time, voltage, electric current and electrode size) can be selected by way of experiment, and the welding parameter of selection will make Proper impact force can make the support portion 15 that can be detached from the inner wall of the first through hole 141 when reaching preset value, so that institute Connector 13 is stated along 145 crumple of crumple hole and squeezes the buffer stopper 16.

It should be noted that preset value among the above is selected according to pedestrian head injury values.

In the present embodiment, the fixed block 14 includes the first fixed part 147 and the second fixed part 149, and described first is solid Determine portion 147 and second fixed part 149 cooperatively forms the first through hole 141, the first part is fixedly arranged on described first On fixed part 147, the second part is fixedly arranged on second fixed part 149.By the way that ingredient is arranged in the fixed block 14 Body structure can further increase convenience when fabricating the support portion 15.

In the present embodiment, the buffer stopper 16 is made of polymer composite, made of the polymer composite The buffer stopper 16 easily deforms when being acted on by greater impact power, to absorb energy.

In the present embodiment, the buffer stopper 16 is interference fitted with the crumple hole 145.

In the present embodiment, the first through hole 141 is arc-shaped, and the crumple hole 145 is relative to the shaft tip hole 143 closer to the undersetting 123.

In the present embodiment, the first through hole 141 is identical with the shapes and sizes of second through-hole 120.

In the above-described embodiments, the upper bracket 121 is detachably connected with the fixed block 14, when 15 quilt of the support portion Destroy and after failing, the repair that the hinge 100 of the hood can be completed by replacing the fixed block 14, to It can easy to repair and reduction maintenance cost.Certainly, in other embodiments, the upper bracket 121 is gone back with the fixed block 14 It can be connected by welding manner.

It should be noted that in other embodiments, the fixed block can also be fixedly arranged on the upper pivoted arm, it is described It is formed with the first through hole on fixed block, the inner wall of the first through hole is equipped with the support portion, and the support portion is by institute It states first through hole and is separated into the shaft tip hole and the crumple hole, the buffer stopper is equipped in the crumple hole, correspondingly, described Second through-hole is formed on upper pivoted arm, the connector passes through the shaft tip hole and second through-hole；And when described When first through hole is arc-shaped, the shaft tip hole is relative to the crumple hole closer to the lower pivoted arm.

Above-described embodiment provide hood hinge and using the hood hinge automobile, at least have with Lower technique effect：When vehicle and pedestrian collision, the hood can be passed to impact force by the pivoted arm 11 The connector 13, when the impact force is more than predetermined value, the support portion 15 is destroyed and fails, to the connector 13 Along 145 crumple of crumple hole and the buffer stopper 16 can be squeezed, and when the connector 13 is along 145 crumple of crumple hole, The elastic element 18 can be squeezed by the undersetting 123 and generate opposition to buffer the collision from the pivoted arm 11 again Power.Since the double buffering of the buffer stopper 16 and the elastic element 18 acts on, it can so that collision process is gentler, from And the injury suffered by pedestrian head can be effectively reduced, especially in the case where crumple space is smaller；Simultaneously as institute It states support portion 15 and the buffer stopper 16 is arranged on the fixed block 14, so as to the processing system convenient for buffer structure It makes.

More than, only it is the preferred embodiment of the utility model, limit in any form not is made to the utility model System, although the utility model has been disclosed with preferred embodiment as above, is not limited to the utility model, any to be familiar with sheet Technical professional is not departing within the scope of technical solutions of the utility model, when the technology contents work using the disclosure above Go out a little change or be modified to the equivalent embodiments of equivalent variations, as long as be without departing from the content of the technical scheme of the utility model, according to According to the technical essence of the utility model to any simple modification, equivalent change and modification made by above example, still fall within In the range of technical solutions of the utility model.

Claims

1. a kind of hinge of hood, including bearing, connector, by the connector and the hinged pivoted arm of the bearing, It is characterized in that, being installed with fixed block on a wherein side in the bearing and the pivoted arm, is formed on the fixed block It is installed in one through-hole, the bearing and the pivoted arm on a side of the fixed block and is formed with the second through-hole, described first is logical The inner wall in hole is equipped with the support portion that the first through hole is separated into shaft tip hole and crumple hole, and buffering is equipped in the crumple hole Block, the connector pass through the shaft tip hole and second through-hole, the support portion to be configured to, when the connector applies When being more than predetermined value to the power of the support portion, the support portion is destroyed and fails, so that the connector is burst along described Shrinkage cavity crumple simultaneously squeezes the buffer stopper, and second through-hole provides crumple space for the connector, wherein on the pivoted arm It is fixedly provided with elastic element, when the connector is along the crumple hole crumple, the elastic element is squeezed by the bearing and generated Opposition.

2. the hinge of hood according to claim 1, which is characterized in that the support portion includes opposite and interval is set The first part set and second part.

3. the hinge of hood according to claim 2, which is characterized in that the fixed block include the first fixed part and Second fixed part, first fixed part and second fixed part cooperatively form the first through hole, and the first part is solid On first fixed part, the second part is fixedly arranged on second fixed part.

4. the hinge of hood according to claim 2 or 3, which is characterized in that the support portion is shaped in institute It states on the inner wall of first through hole.

5. the hinge of hood according to claim 2 or 3, which is characterized in that the support portion is logical with described first The inner wall in hole connects in which can be broken, when the power that the connector is applied to the support portion is more than predetermined value, the support portion The inner wall of the first through hole can be detached from.

6. the hinge of hood according to claim 5, which is characterized in that the support portion and the first through hole Inner wall is connected in which can be broken by electric resistance welding.

7. the hinge of hood according to claim 1, which is characterized in that the bearing include upper bracket and from described in Upper bracket bends the undersetting extended to form, and the fixed block is fixedly arranged on the upper bracket, and the crumple hole is relative to institute Shaft tip hole is stated closer to the undersetting.

8. the hinge of hood according to claim 1, which is characterized in that the pivoted arm includes passing through the connector Hinged upper pivoted arm and the lower pivoted arm extended to form is bent from the upper pivoted arm with the bearing, peace is installed on the lower pivoted arm Dress portion, the elastic element are fixedly arranged on the mounting portion.

9. the hinge of the hood according to any one of claims 1 or 2 or 3 or 7 or 8, which is characterized in that the branch A wherein side in seat and the pivoted arm is detachably connected with the fixed block.

10. a kind of automobile, which is characterized in that include the hinge of the hood described in any one of claim 1-9, the hair Bearing in the hinge of motivation cover is fixedly connected with body of a motor car, and the pivoted arm in the hinge of the hood is solid with hood Fixed connection.