CN111845953A

CN111845953A - Engine cover structure and vehicle with same

Info

Publication number: CN111845953A
Application number: CN201910351603.9A
Authority: CN
Inventors: 宗辉; 郭洪钢; 韩晓旭; 赵慧永; 任明明; 赵公明; 王津; 孔庆宇; 范士孟
Original assignee: Great Wall Motor Co Ltd
Current assignee: Great Wall Motor Co Ltd
Priority date: 2019-04-28
Filing date: 2019-04-28
Publication date: 2020-10-30
Anticipated expiration: 2039-04-28
Also published as: CN111845953B

Abstract

The invention discloses an engine hood structure and a vehicle with the same, wherein the engine hood structure comprises an engine hood body, an articulated mechanism and a jacking device, the rear part of the engine hood body is rotatably fixed on a vehicle body of the vehicle through the articulated mechanism, the articulated mechanism comprises a first support and a second support, the first support is connected with the engine hood body, the second support is rotatably connected with the vehicle body, the first support and the second support are connected with a rotating shaft and a positioning pin, the jacking device is suitable for upwards pushing the first support so that the rear part of the engine hood body upwards rotates relative to the second support along with the first support and damages the positioning pin, and a pressing plate is arranged on the first support. According to the engine hood structure, when a pedestrian collides with a vehicle or is about to collide with the vehicle, the jacking device can jack the first support so as to realize upwarping of the rear part of the engine hood body and protect the safety of the pedestrian.

Description

Engine cover structure and vehicle with same

Technical Field

The invention relates to the field of vehicle manufacturing, in particular to an engine hood structure and a vehicle with the same.

Background

In the related art, in order to reduce the injury to the pedestrian when the vehicle is in direct contact with the pedestrian, the rear portion of the engine cover of the vehicle can be tilted upwards, so that the tilted engine cover is contacted with the impacted pedestrian independently, and the engine cover can deform after being impacted by the pedestrian to absorb the impact energy, thereby playing the role of protecting the safety of the pedestrian.

The existing structure for enabling the engine hood to warp upwards is a four-bar mechanism generally, and has the disadvantages of complex structure, high cost and weight, large requirement on arrangement space and difficult arrangement.

Disclosure of Invention

In view of the above, the present invention is directed to an engine cover structure that is simpler and more convenient to arrange, at least to some extent.

In order to achieve the purpose, the technical scheme of the invention is realized as follows:

a hood structure including a hood body, a hinge mechanism by which a rear portion of the hood body is rotatably fixed to a body of a vehicle, and a lifter, the hinge mechanism comprising: the automobile hood comprises a first support and a second support, wherein the first support is connected with an engine hood body, the second support is rotatably connected with an automobile body, the first support is connected with a rotating shaft and a positioning pin through the second support, the jacking device is suitable for upwards pushing the first support, so that the rear portion of the engine hood body is opposite to the first support, the second support upwards rotates and breaks the positioning pin, the first support is provided with a pressing plate, and the jacking device is suitable for upwards pushing the first support through the pressing plate.

Further, the rotating shaft is connected between the front end of the first support and the front end of the second support, and the pressing plate is located at the rear of the first support.

Further, the hinge mechanism further includes: the buffer part is used for buffering the upward pushing force applied by the jacking device and received by the first support.

Further, the second support is provided with a convex column, the first support is provided with a long circular hole, the convex column extends into the long circular hole, the convex column is suitable for moving in the length direction of the long circular hole when the first support rotates upwards relative to the second support, and the buffer part is fixed with the first support and is suitable for being pressed on the convex column.

Furthermore, the buffer part is slender and is provided with an arc-shaped abutting part matched with the outer surface shape of the convex column.

Further, the installation position of the positioning pin on the hinge mechanism is located between the rotating shaft and the pressing plate.

Further, first support includes first board and second board, the first board be suitable for with the side laminating of second support, the rotation axis with the locating pin is all installed on the first board, the second board with the upper end of first board is connected and is located the top of second support, be equipped with on the second board and be used for installing the engine bonnet connecting portion of engine bonnet body.

Further, the jacking device is a cylindrical jacking device arranged along the vertical direction, and a supporting plate which is suitable for supporting and matching with the pressing plate is arranged at the top end of the cylindrical jacking device.

Further, the jack still includes: and the explosion structure is used for applying an upward pushing force to the jacking device.

Compared with the prior art, the engine hood structure has the following advantages:

1) according to the engine hood structure, the first support and the second support are arranged, when a pedestrian is in direct collision with a vehicle or is about to be in direct collision with the vehicle, the jacking device can jack the first support, so that the rear portion of the engine hood body is upwarped, the safety of the pedestrian is protected, and meanwhile, the engine hood structure is simple in structure and convenient to arrange.

Another object of the present invention is to provide a vehicle including the hood structure described in any one of the above.

According to the vehicle provided by the invention, the engine hood structure is arranged, so that the vehicle is simple to assemble and low in cost.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural view of a hood structure according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of the hinge mechanism according to the embodiment of the present invention when the rear portion of the hood body is not tilted upward;

fig. 3 is a schematic structural view of the hinge mechanism according to the embodiment of the present invention when the rear portion of the hood body is tilted upward.

Description of reference numerals:

the engine hood structure 100, the engine hood body 1, the hinge mechanism 2, the first support 21, the first plate 211, the second plate 212, the abutting plate 213, the reinforcing rib 214, the oblong hole 215, the engine hood connecting part 216, the second support 22, the convex column 221, the mounting support 23, the rotating shaft 24, the positioning pin 25, the buffering part 26, the rotating shaft 27, the lifter 3 and the support plate 31.

Detailed Description

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

A hood structure 100 according to an embodiment of the present invention will be described below with reference to fig. 1 to 3 in conjunction with the embodiment.

As shown in fig. 1 to 3, the hood structure 100 may include a hood body 1, a hinge mechanism 2, and a lifter 3, a rear portion of the hood body 1 being rotatably fixed to a vehicle body of the vehicle by the hinge mechanism 2, the hood body 1 being rotatable relative to the vehicle body by the hinge mechanism 2 so that the hood body 1 opens or closes an engine compartment of the vehicle. The hinge mechanism 2 includes a first bracket 21 and a second bracket 22, the first bracket 21 is connected to the hood body 1, the second bracket 22 is rotatably connected to the vehicle body, and a rotation shaft 24 and a positioning pin 25 are connected between the first bracket 21 and the second bracket 22.

As shown in fig. 1, under normal conditions (i.e. under the condition that the vehicle does not collide with the pedestrian), the first bracket 21 and the second bracket 22 are positioned by the positioning pin 25, at this time, the first bracket 21 cannot move relative to the second bracket 22, and the first bracket 21, the second bracket 22 and the hood body 1 rotate together relative to the vehicle body, so that the hood body 1 rotates smoothly, and the engine compartment is opened and closed conveniently.

As shown in fig. 1, when a vehicle is in direct contact with a pedestrian or is about to be in direct contact with the pedestrian, the lifter 3 can push the first bracket 21 upwards in the direction of the dotted arrow in fig. 1, and the positioning pin 25 is sheared and damaged by the upward pushing force of the lifter 3, so that the first bracket 21 and the second bracket 22 can rotate relatively. Further, the first bracket 21 rotates around the rotating shaft 24 relative to the second bracket 22 under the upward thrust of the jack 3, so that the rear part of the hood body 1 fixed with the first bracket 21 rotates upward along with the first bracket 21 relative to the second bracket 22, the rear part of the hood body 1 is tilted upward, and the safety of an impacted pedestrian is protected.

According to the engine hood structure 100 provided by the embodiment of the invention, by arranging the first support 21 and the second support 22, when a pedestrian collides with a vehicle or is about to collide with the vehicle, the jacking device 3 can jack the first support 21 so as to realize upwarping of the rear part of the engine hood body 1 and protect the safety of the pedestrian, meanwhile, a four-bar mechanism in the prior art is not required to be arranged, and the engine hood structure 100 is simple in structure, convenient to arrange, low in manufacturing cost and light in weight, and facilitates light-weight arrangement of the vehicle.

As shown in fig. 1 to 3, the first support 21 is provided with a pressing plate 213, and the jack 3 is adapted to push the first support 21 upward by the pressing plate 213. Specifically, the pressing plate 213 may be a flange formed by bending a portion of the first bracket 21. The pressing plate 213 is located above the lifter 3, and when the vehicle is in direct contact with a pedestrian or is about to be in direct contact with a pedestrian, the lifter 3 can push the pressing plate 213 upwards, so as to push the first bracket 21 to rotate relative to the second bracket 22, so as to lift the rear portion of the hood body 1. The pressing plate 213 can make the jacking force of the jack 3 on the first support 21 be distributed more uniformly, so that the first support 21 can stably rotate relative to the second support 22 under the pressing action of the jack 3.

Specifically, as shown in fig. 1 and fig. 2, the first bracket 21 is provided with a reinforcing rib 214 at a position away from the pressing plate 213, and the reinforcing rib 214 can prevent the pressing plate 213 from deforming when the lifter 3 lifts up the pressing plate 213.

Specifically, as shown in fig. 1 to 3, the rotating shaft 24 is connected between the front end of the first bracket 21 and the front end of the second bracket 22, and the pressing plate 213 is located at the rear of the first bracket 21. Therefore, when the jacking device 3 jacks the jacking plate 213 upwards, the force distance from the rotating shaft 24 to the jacking plate 213 is longer, the jacking force arm is larger, and the first support 21 can rotate through the rotating shaft 24 relative to the second support 22 more conveniently.

Specifically, as shown in fig. 1-3, the hinge mechanism 2 further includes a buffering portion 26, when the first support 21 is driven by the lifter 3 to rotate relative to the second support 22, the buffering portion 26 can play a role of blocking the first support 21 from rotating relative to the second support 22, and meanwhile, the buffering portion 26 is deformed when the first support 21 rotates relative to the second support 22, so that the buffering portion 26 buffers an upward pushing force applied by the lifter 3 to the first support 21, and the deformation of the first support 21 caused by an excessive force of the lifter 3 to lift the first support 21 is avoided.

Specifically, as shown in fig. 1 to 3, the second bracket 22 is provided with a protruding column 221, the first bracket 21 is provided with an elongated hole 215, the protruding column 221 extends into the elongated hole 215, the elongated hole 215 limits the movement of the protruding column 221, the protruding column 221 is adapted to move in the length direction of the elongated hole 215 when the first bracket 21 rotates upward relative to the second bracket 22, and the buffer portion 26 is fixed to the first bracket 21 and adapted to be pressed against the protruding column 221.

For example, as shown in fig. 1 to 3, the oblong hole 215 extends in the up-down direction, the buffer portion 26 abuts against the lower side of the boss 221, when the jack 3 jacks up the first support 21, the first support 21 rotates relative to the second support 22, at this time, the oblong hole 215 of the first support 21 moves upward relative to the boss 221 of the second support 22, and simultaneously, the buffer portion 26 connected to the first support 21 also moves upward relative to the boss 221, so that the boss 221 presses the buffer portion 26 to deform the buffer portion 26, and thus the buffer portion 26 absorbs part of the pushing force of the jack 3 on the first support 21 to protect the first support 21.

Specifically, as shown in fig. 1 to 3, the buffer portion 26 is elongated and has an arc-shaped stopping portion that is matched with the outer surface shape of the convex pillar 221. Therefore, the buffer part 26 can be tightly abutted against the convex column 221 through the arc-shaped abutting part, so that the buffer part 26 is convenient to deform. In addition, the elongated bumper 26 is more easily deformed under compression to more easily absorb energy.

In some embodiments, the buffering portion 26 may be made of a material that is easily plastically deformed, such as a plastic material, and when the jack 3 jacks up the first bracket 21, the buffering portion 26 is easily pressed by the protruding pillar 221 to be plastically deformed so as to absorb the pushing energy of the jack 3 on the first bracket 21.

In other embodiments, the buffer portion 26 may be made of a material that is easily elastically deformed, such as rubber, and when the jack 3 jacks the first bracket 21 upwards, the buffer portion 26 is easily pressed by the convex pillar 221 to be elastically deformed so as to absorb the pushing energy of the jack 3 on the first bracket 21.

Specifically, as shown in fig. 1 to 3, the mounting position of the positioning pin 25 on the hinge mechanism 2 is located between the rotation shaft 24 and the pressing plate 213. Therefore, when the jacking device 3 jacks the first support 21 to rotate relative to the second support 22, the positioning pin 25 can be more conveniently sheared and broken under the jacking action of the jacking device 3, and the first support 21 can rotate relative to the second support 22 conveniently.

Specifically, as shown in fig. 2 and 3, the first bracket 21 includes a first plate 211 and a second plate 212, the first plate 211 is adapted to fit with a side surface of the second bracket 22, the rotating shaft 24 and the positioning pin 25 are both mounted on the first plate 211, the second plate 212 is connected to an upper end of the first plate 211 and is located above the second bracket 22, a hood connecting portion 216 for mounting the hood body 1 is provided on the second plate 212, and the hood connecting portion 216 may include a mounting hole for screwing with the hood body 1 toward the engine compartment side. Thus, the first bracket 21 is highly functional and simple in structure.

Specifically, the jacking device 3 is a cylindrical jacking device 3 (for example, a support rod) arranged along the up-down direction, the top end of the cylindrical jacking device 3 is provided with a support plate 31 which is suitable for supporting and matching with the pressing plate 213, therefore, the support plate 31 can increase the matching area of the jacking device 3 and the pressing plate 213, and when the jacking device 3 jacks the first support 21, the first support 21 is stressed averagely and moves stably. The jack 3 further includes: an explosion structure for applying an upward driving force to the jack 3, when a pedestrian collides with a vehicle or is about to collide with the vehicle, the explosion structure is detonated by the operation of equipment such as a vehicle-mounted computer of the vehicle, and the driving force generated by the detonation of the explosion structure pushes the jack 3 to jack the first bracket 21 so as to lift the rear part of the engine hood.

Specifically, as shown in fig. 1, the hinge mechanism 2 further includes a mounting bracket 23, and the mounting bracket 23 is fixed to the vehicle body so that the hinge mechanism 2 is stably mounted on the vehicle body. The mounting bracket 23 is rotatably connected with the second bracket 22 through a rotating shaft 27, and under the normal condition of the vehicle, because the positioning pin 25 positions the first bracket 21 and the second bracket 22, the hood body 1, the first bracket 21 and the second bracket 22 rotate together relative to the rotating shaft 27, so that the hood body 1 can open and close the engine compartment.

Specifically, the front part of the vehicle (for example, the front bumper of the vehicle) is provided with a sensor, when a pedestrian collides with the vehicle or is about to collide with the vehicle, the sensor detects a pedestrian collision signal and transmits the pedestrian collision signal to the vehicle-mounted computer, the vehicle-mounted computer sends a command to the lifter 3, the lifter 3 is detonated and popped up to lift the first bracket 21, and the rear edge of the hood body 1 is lifted by 60mm within 30ms, so that an effective buffer space is formed, and the injury to the pedestrian due to secondary impact is reduced.

A vehicle of an embodiment of the invention is described below.

The vehicle of the embodiment of the invention is provided with the hood structure 100 according to any one of the above-described embodiments of the invention.

According to the vehicle provided by the embodiment of the invention, the engine cover structure 100 is arranged, so that the vehicle is simple to assemble and low in cost.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A hood structure (100), comprising: the rear part of the engine hood body (1) is rotatably fixed on the body of the vehicle through the hinge mechanism (2);

the hinge mechanism (2) includes: first support (21) and second support (22), first support (21) with engine bonnet body (1) is connected, second support (22) with the automobile body is rotationally connected, just first support (21) with second support (22) are connected with rotation axis (24) and locating pin (25), jacking ware (3) are suitable for upwards to promote first support (21), so that the rear portion of engine bonnet body (1) is along with first support (21) is relative second support (22) upwards rotates, and destroys locating pin (25), first support (21) are equipped with and support clamp plate (213), jacking ware (3) are suitable for upwards promote through supporting clamp plate (213) first support (21).

2. The hood structure (100) according to claim 1, wherein the rotation shaft (24) is connected between a front end of the first bracket (21) and a front end of the second bracket (22), and the pressing plate (213) is located at a rear portion of the first bracket (21).

3. The hood structure (100) according to claim 1, wherein the hinge mechanism (2) further comprises: buffer portion (26), buffer portion (26) are used for to first support (21) receive the upward pushing force that jack (3) applyed cushions.

4. The hood structure (100) according to claim 3, wherein the second bracket (22) is provided with a convex pillar (221), the first bracket (21) is provided with an elongated hole (215), the convex pillar (221) extends into the elongated hole (215), the convex pillar (221) is adapted to move relative to the length direction of the elongated hole (215) when the first bracket (21) rotates upward relative to the second bracket (22), and the buffer portion (26) is fixed to the first bracket (21) and adapted to press against the convex pillar (221).

5. The hood structure (100) according to claim 4, wherein the bumper portion (26) is elongated and has an arc-shaped abutting portion that is shape-fitted to an outer surface of the boss (221).

6. The hood structure (100) according to claim 1, wherein the mounting position of the positioning pin (25) on the hinge mechanism (2) is between the rotation shaft (24) and the pressing plate (213).

7. The hood structure (100) according to claim 1, wherein the first bracket (21) includes a first plate (211) and a second plate (212), the first plate (211) is adapted to fit against a side surface of the second bracket (22), the rotation shaft (24) and the positioning pin (25) are both mounted on the first plate (211), the second plate (212) is connected to an upper end of the first plate (211) and located above the second bracket (22), and a hood attachment portion (216) for attaching the hood body (1) is provided on the second plate (212).

8. The engine hood structure (100) according to claim 1, characterized in that the lifter (3) is a cylindrical lifter (3) arranged in the up-down direction, and the top end of the cylindrical lifter (3) is provided with a support plate (31) adapted to be in supporting engagement with the pressing plate (213).

9. The hood structure (100) according to claim 1, wherein the lifter (3) further comprises: and the explosion structure is used for applying upward pushing force to the jacking device (3).

10. A vehicle, characterized in that a hood structure (100) according to any one of claims 1-9 is provided.