CN213831608U - Novel active engine hood structure - Google Patents
Novel active engine hood structure Download PDFInfo
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- CN213831608U CN213831608U CN202022048883.7U CN202022048883U CN213831608U CN 213831608 U CN213831608 U CN 213831608U CN 202022048883 U CN202022048883 U CN 202022048883U CN 213831608 U CN213831608 U CN 213831608U
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- connecting rod
- hood
- vehicle body
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- 230000007246 mechanism Effects 0.000 claims abstract description 45
- 238000000034 method Methods 0.000 claims abstract description 7
- 230000008569 process Effects 0.000 claims abstract description 6
- 238000005474 detonation Methods 0.000 claims description 12
- 238000004880 explosion Methods 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 3
- 230000013011 mating Effects 0.000 claims description 2
- 230000006378 damage Effects 0.000 description 4
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a novel active bonnet structure belongs to vehicle part technical field. The method comprises the following steps: the locking connecting rod is hinged to one moving part in the hinge mechanism, the locking block is fixedly arranged on the other moving part in the hinge mechanism, the locking connecting rod is clamped with the locking block after rotating, a fixed part of the igniter is connected with a vehicle body, a movable part of the igniter can lift up the rear end of the engine cover upwards in an extending mode, the movable part of the igniter is in contact with the locking connecting rod in the extending process, the locking mechanism rotates around a hinged axis, one end of the igniter is hinged to the vehicle body, the other end of the igniter is hinged to the lower side of the engine cover, the igniter drives the engine cover to move backwards after being erected, the front locking part is arranged at the front end of the engine cover, a front end matching part matched with the front locking part is arranged on the vehicle body, and the front locking part can move relative to the front end matching part along the front-back direction of the vehicle body. The novel active engine hood structure can enlarge the coverage of the engine hood after the engine hood is lifted.
Description
Technical Field
The utility model relates to a vehicle parts technical field specifically relates to a novel active bonnet structure.
Background
When a general vehicle collides with a pedestrian in the driving process, the head of the pedestrian can collide with an engine hood of the vehicle to cause serious injury to the pedestrian, and the rear end of the engine hood of the vehicle is provided with an active lifting function at present to reduce the injury to the pedestrian when colliding with the pedestrian. But current active engine bonnet is general to the last place ahead of vehicle bounce, and the structure below the preceding windshield exposes externally, aggravates the damage to the vehicle easily, and the rear is bounced in partial active engine bonnet can realizing, but uses multiunit hinge structure, and the structure is comparatively complicated, and function realization cost is higher.
SUMMERY OF THE UTILITY MODEL
In view of the above problems in the prior art, it is an object of the present invention to provide a novel active hood structure, which simplifies the structure and enables the hood to move upward and rearward when the hood is actively bounced.
The specific technical scheme is as follows:
a novel active hood structure comprising: the explosion-proof device comprises a hood, a hinge mechanism, a locking mechanism, an explosion igniter, an explosion connecting rod, a front end locking part and a front end matching part.
The rear end of the hood is movable between a first closed position and a first open position disposed upwardly and rearwardly of the first closed position.
One end of the hinge mechanism is connected with the vehicle body, the other end of the hinge mechanism is connected with the lower side of the engine cover, and the front end of the engine cover can move back and forth between a second closing position and a second opening position through the movement of the hinge mechanism.
The locking mechanism comprises a locking connecting rod and a locking block, the locking connecting rod is hinged to one moving part in the hinge mechanism, the locking block is fixedly arranged on the other moving part in the hinge mechanism, and the locking connecting rod is clamped with the locking block after rotating.
The fixed part of the igniter is connected with the vehicle body, the movable part of the igniter can extend to jack up the rear end of the engine cover, the movable part of the igniter is in contact with the locking connecting rod in the extension process, and the locking mechanism rotates around the hinged axis.
One end of the detonation connecting rod is hinged with the vehicle body, the other end of the detonation connecting rod is hinged with the lower side of the engine cover, and the detonation connecting rod drives the engine cover to move backwards after being erected.
The front end locking part is arranged at the front end of the engine hood, the front end matching part matched with the front end locking part is arranged on the automobile body, and the front end locking part can move relative to the front end matching part along the front-back direction of the automobile body.
The novel active engine hood structure is characterized in that a sensor for detecting pedestrian collision is arranged at the front part of the vehicle body, and the sensor is in communication connection with the igniter through the vehicle ECU.
Foretell active bonnet structure still has such characteristic, and the one end of locking connecting rod is provided with the buckle, buckle and locking piece phase-match, and the other end of locking connecting rod is provided with the touch panel, and the touch panel supports with the movable part of igniter and leans on.
The novel active engine hood structure is characterized in that the movable part provided with the hinge mechanism of the locking connecting rod is also provided with a fixed rod, and the fixed rod is connected with or separated from the buckle of the locking connecting rod in a clamping mode.
The novel active engine hood structure is characterized in that the movable part of the igniter does not extend out, and the buckle of the locking connecting rod is clamped with the fixed rod;
the movable part of the igniter stretches out, and the buckle of the locking connecting rod is separated from the fixed rod and is clamped with the locking block.
The novel active engine hood structure is characterized in that one end, connected with the engine hood, of the explosion connecting rod is further provided with a crumple structure, and the crumple structure is connected with one side, connected with the engine hood, of the hinge mechanism in a clamped mode.
Foretell novel active bonnet structure still has such characteristic, and the buckle that contracts of the structure of bursting for arranging along automobile body width direction bursts, and one side that the articulated mechanism is connected with the bonnet is provided with and bursts the buckle assorted joint hole that contracts.
The novel active engine hood structure is characterized in that the movable part of the igniter does not extend out, and the collapsing buckle is clamped with the clamping hole;
the movable part of the igniter stretches out, and the collapse buckle is separated from the clamping hole.
Foretell novel active bonnet structure still has such characteristic, and front end locking part is the hasp setting, and the hasp is "concave" font, and the length direction of hasp arranges along the length direction of automobile body, and front end cooperation part is the latch hook, and the latch hook is open closed cyclic annular structure, and the latch hook can slide along the length direction of hasp.
The novel active engine hood structure is characterized in that the front end locking component is a sliding buckle, the front end matching component is a front locking groove and a rear locking groove which can be opened and closed, the length direction of the locking groove is arranged along the length direction of the vehicle body, and the sliding buckle can slide along the length direction of the locking groove.
A novel active hood construction as described above also features a rear end of the hood movable to the first open position to cover a lower edge region of the windshield.
The positive effects of the technical scheme are as follows:
the utility model provides a novel active engine hood structure, which realizes that the rear end of the engine hood moves upwards and backwards when being actively lifted by arranging the point explosion device and the point explosion connecting rod at the rear end of the engine hood and matching with the front end locking part and the front end matching part which are arranged at the front part of the engine hood and can slide relatively, and is used for shielding the structure below the front windshield of the vehicle so as to avoid aggravating the damage to the vehicle; and overall structure is simple, arranges the convenience, has reduced manufacturing cost.
Drawings
Fig. 1 is a schematic structural view of a novel active hood structure according to an embodiment of the present invention in a closed state;
fig. 2 is a schematic structural view of a novel active hood structure according to an embodiment of the present invention in a half-open state;
fig. 3 is a perspective view of the hinge mechanism, the locking mechanism and the igniter according to the embodiment of the active hood structure of the present invention;
fig. 4 is a schematic structural view of a hinge mechanism and a locking mechanism in an embodiment of a novel active hood structure of the present invention;
fig. 5 is a schematic structural view of an embodiment of a novel active hood structure according to the present invention in an open state;
fig. 6 is a schematic structural view of a collapsing structure and a fastening hole in an embodiment of a novel active hood structure of the present invention;
fig. 7 is a schematic structural view of a latch and a latch hook according to an embodiment of the present invention;
fig. 8 is a schematic structural view of a sliding buckle and a locking groove in an embodiment of the novel active hood structure of the present invention.
In the drawings:
1. a hood; 2. a hinge mechanism; 201. a clamping hole; 202. fixing the rod; 3. a locking mechanism; 301. a locking connecting rod; 302. a locking block; 4. an igniter; 401. a movable portion; 402. a fixed part; 5. igniting the connecting rod; 501. a collapsing structure; 61. locking; 62. sliding and buckling; 71. a latch hook; 72. and (4) locking the groove.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the following embodiments are combined with the accompanying drawings 1 to 8 to specifically describe the structure of the novel active engine cover.
The numbering of the components themselves, such as "first", "second", etc., is used herein only to distinguish between the objects depicted and not to have any sequential or technical meaning. The term "connected" and "coupled" when used in this application, unless otherwise indicated, includes both direct and indirect connections (couplings). In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In this novel active bonnet structure, the front end of bonnet 1 can normally open under normal circumstances, and when the vehicle takes place to collide with the pedestrian, the front end of bonnet 1 is opened the structure and is locked, and the rear end of bonnet 1 is lifted up.
Generally, the first closed position is a position where the rear end of the hood 1 is in a closed state, the first open position is a position where the rear end of the hood 1 is in an open state (that is, the rear end of the hood is in a raised state), the rear end of the hood 1 can move between the first closed position and the first open position, and the movement cannot be automatically recovered, and needs to be recovered through after-sales maintenance, and the first open position is arranged upward and rearward compared with the first closed position, that is, the rear end of the hood 1 moves upward after being opened, and is used for protecting a structure below a front windshield of a vehicle, so as to improve a collision score.
The hinge mechanism 2 is a common four-bar linkage, one end of the hinge mechanism 2 (specifically, a lower link in the four-bar linkage) is connected to a vehicle body (not shown in the figure), specifically, fixedly connected, and the other end (specifically, an upper link in the four-bar linkage) is connected to the lower side of the hood 1, specifically, fixedly connected or movably connected, and the front end of the hood 1 can move back and forth between a second closed position (i.e., the front end of the hood 1 is closed, and at this time, the whole engine compartment is in a closed state) and a second open position (i.e., the front end of the hood is in a state of being turned up and opened) by the movement of the hinge mechanism 2, so that the normal opening and closing of the hood 1 are realized.
The locking mechanism 3 comprises a locking connecting rod 301 and a locking block 302, the locking connecting rod 301 is hinged to one movable part in the hinge mechanism 2, the locking block 302 is fixedly arranged on the other movable part in the hinge mechanism 2, and the locking connecting rod 301 is clamped with the locking block 302 after rotating so as to lock relative movement between each part of the hinge mechanism 2. Specifically, when the front end of the engine cover 1 can rotate relative to the vehicle body, the locking link 301 does not contact with the locking block 302, that is, relative rotation between the four-bar linkages can occur; when the front end of the engine cover 1 cannot rotate relative to the vehicle body, the locking link 301 and the locking block 302 are clamped, that is, the relative rotation between the four-bar linkage is locked.
The fixed part 402 of the squib 4 is connected to the vehicle body, the movable part 401 of the squib 4 can extend to lift up the rear end of the hood 1, the lifting is irreversible, and the movable part 401 of the squib 4 contacts the lock link 301 during the extension process, and the lock link 301 rotates around the hinge axis due to the action of the squib 4, so that the lock link 301 is engaged with the lock block 302.
One end of the detonation connecting rod 5 is hinged with the vehicle body, the other end of the detonation connecting rod 5 is hinged with the lower side of the engine cover 1, when the engine cover 1 is jacked up by the movable part 401 of the detonation device 4, the detonation connecting rod 5 is separated from the four-bar mechanism, and the detonation connecting rod 5 is erected to drive the engine cover 1 to move backwards, so that the engine cover 1 moves upwards and backwards.
The front end locking part is arranged at the front end of the engine hood 1, the front end matching part matched with the front end locking part is arranged on the vehicle body, the front end locking part can move relative to the front end matching part along the front-back direction of the vehicle body, and the front end locking part and the front end matching part can slide relative to each other along the length direction of the vehicle body, so that the front end locking part can be matched with the detonating connecting rod to act together to realize the upward and backward movement of the engine hood.
In a preferred embodiment, the front part of the vehicle body is provided with a sensor (not shown in the figure) for detecting the collision of a pedestrian, the sensor is in communication connection with the igniter 4 through the vehicle ECU, when the vehicle collides with the pedestrian during driving, the collision sensor at the front part of the vehicle can obtain a collision signal and transmit the collision signal to the vehicle ECU, and the vehicle ECU controls the detonation elongation of the igniter 4, so as to lift the rear end of the hood 1.
In a preferred embodiment, as shown in fig. 1, 2 and 3, one end of the locking link 301 is provided with a buckle which is matched with the locking block 302, the locking block 302 is arranged at the hinge mechanism 2, the structure is simple, the locking is effective, the other end of the locking link 301 is provided with a contact plate which abuts against the movable part 401 of the igniter 4, and the position of the movable part 402 of the igniter 4 contacting with the contact plate changes during the extension process, so that the locking link 301 rotates.
In a preferred embodiment, as shown in fig. 1, 2, 3 and 5, the movable member of the hinge mechanism 2 provided with the lock link 301 is further provided with a fixed lever 202, and the fixed lever 202 is engaged with or disengaged from the catch of the lock link 301. Specifically, the locking link 301 is engaged with the fixing rod 202 to normally open the front end of the hood 1 of the vehicle in a normal state of the vehicle; the lock link 301 is disengaged from the fixing lever 202 to allow the rear end of the hood 1 of the vehicle to be lifted up in a vehicle collision state.
In a preferred embodiment, as shown in fig. 2 and 5, the movable part 401 of the squib 4 is not extended, and the latch of the locking link 301 is latched with the fixing rod 202, so that the front end of the engine cover 1 can be normally opened; the movable part of the squib 4 extends out, the buckle of the locking connecting rod 301 is separated from the fixed rod 202 and is clamped with the locking block 302, so that the front end of the engine cover 1 cannot be opened when the vehicle collides.
In a preferred embodiment, as shown in fig. 5 and 6, a collapsing structure 501 is further provided at one end of the detonating link 5 connected with the hood 1, the collapsing structure 501 is clamped with one side of the hinge mechanism 2 connected with the hood 1, when the detonating device 4 is triggered, the lifting force borne by the hood 1 is greater than the connecting strength between the hinge mechanism 2 and the collapsing structure 501 of the detonating link 5, namely, the collapsing structure 501 is broken, and the collapsing structure 501 is separated from the hinge mechanism 2.
In a preferred embodiment, as shown in fig. 5 and 6, the crush structure 501 is a crush buckle arranged along the width direction of the vehicle body, the general crush buckle is in an "L" shape, the two crush buckles respectively face the left side and the right side, one side of the hinge mechanism 2 connected with the hood 1 is provided with a clamping hole 201 matched with the crush buckle, the clamping hole 201 is also arranged along the width direction of the vehicle body, the crush structure 501 is simple, and the setting cost is low.
In a preferred embodiment, as shown in fig. 1, 2 and 5, the igniter 4 may be selected from an air cylinder, an electric cylinder and the like, and after receiving a trigger signal, the movable portion 401 rapidly extends, the movable portion 401 of the igniter 4 does not extend, and the collapse buckle is clamped with the clamping hole 201 to ensure that the hood 1 is used in a normal state; the movable part 401 of the igniter 4 extends out, the collapse buckle is separated from the clamping hole 201, and the movable part can be ensured to move backwards under the driving of the igniter connecting rod 5 after the engine cover 1 is lifted.
In a preferred embodiment, as shown in fig. 7, the front end locking component is a latch 61, the latch 61 is arranged in a shape like a Chinese character 'ao', the length direction of the latch 61 is arranged along the length direction of the vehicle body, the front end mating component is a latch 71, the latch 71 is an openable and closable annular structure, and the latch 71 can slide along the length direction of the latch 61. When the latch hook 71 is opened, the latch 61 and the latch hook 71 can be separated, so that the front end of the engine cover 1 can be smoothly opened; when the locking hook 71 is closed, the lock catch 61 penetrates through the locking hook 71, and when the rear end of the engine hood 1 is jacked up, the lock catch 61 can slide back and forth relative to the locking hook 71, so that the engine hood 1 can move towards the rear of the vehicle body by matching with the detonating connecting rod 5.
In a preferred embodiment, as shown in fig. 8, the front locking member is a slide fastener 62, the front engaging member is a lock groove 72 which can be opened and closed back and forth, when the lock groove 72 is opened, the slide fastener 62 and the lock groove 72 can be separated, so that the front end of the hood 1 can be smoothly opened, the length direction of the lock groove 72 is arranged along the length direction of the vehicle body, the slide fastener 62 can slide along the length direction of the lock groove 72, when the lock groove 72 is closed, the slide fastener 62 is disposed in the lock groove 72, when the rear end of the hood 1 is lifted, the slide fastener 62 can slide back and forth relative to the lock groove 72, so that the engaging ignition link 5 can realize the movement of the hood 1 to the rear of the vehicle body.
In a preferred embodiment, as shown in fig. 2 and 5, the rear end of the hood 1 moved to the first open position can cover the lower edge area of the windshield to protect the structure of the lower edge of the windshield in the event of a vehicle collision, thereby improving the overall score.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above is only a preferred embodiment of the present invention, and not intended to limit the scope of the invention, and it should be appreciated by those skilled in the art that various equivalent substitutions and obvious changes made in the specification and drawings should be included within the scope of the present invention.
Claims (11)
1. A novel active hood structure, comprising:
a hood having a rear end movable between a first closed position and a first open position disposed upwardly and rearwardly relative to the first closed position;
one end of the hinge mechanism is connected with the vehicle body, the other end of the hinge mechanism is connected with the lower side of the engine cover, and the front end of the engine cover can move back and forth between a second closing position and a second opening position through the movement of the hinge mechanism;
the locking mechanism comprises a locking connecting rod and a locking block, the locking connecting rod is hinged with one moving part in the hinge mechanism, the locking block is fixedly arranged on the other moving part in the hinge mechanism, and the locking connecting rod is clamped with the locking block after rotating;
the fixed part of the igniter is connected with the vehicle body, the movable part of the igniter can extend to jack up the rear end of the engine cover upwards, the movable part of the igniter is contacted with the locking connecting rod in the extension process, and the locking mechanism rotates around the hinged axis;
one end of the detonation connecting rod is hinged with the vehicle body, the other end of the detonation connecting rod is hinged with the lower side of the engine cover, and the explosion connecting rod drives the engine cover to move backwards after being erected;
the front end locking part is arranged at the front end of the engine hood, the front end matching part matched with the front end locking part is arranged on the automobile body, and the front end locking part can move relative to the front end matching part along the front and back directions of the automobile body.
2. The novel active hood structure of claim 1, wherein the front part of the vehicle body is provided with a sensor for detecting pedestrian collision, and the sensor is in communication connection with the igniter through a vehicle ECU.
3. The novel active engine hood structure of claim 1, wherein a buckle is disposed at one end of the locking link, the buckle is matched with the locking block, and a touch panel is disposed at the other end of the locking link and abuts against a movable portion of the squib.
4. The active hood structure as claimed in claim 3, wherein the movable member of the hinge mechanism provided with the locking link is further provided with a fixing rod, and the fixing rod is engaged with or disengaged from a buckle of the locking link.
5. The novel active hood structure of claim 4,
the movable part of the igniter does not extend out, and the buckle of the locking connecting rod is clamped with the fixed rod;
the movable part of the igniter stretches out, and the buckle of the locking connecting rod is separated from the fixed rod and is clamped with the locking block.
6. The active hood structure of claim 1, wherein a collapsing structure is further disposed at an end of the detonation link connected to the hood, and the collapsing structure is engaged with a side of the hood connected to the hinge mechanism.
7. The active hood structure of claim 6, wherein the collapse structure is a collapse buckle arranged along the width direction of the vehicle body, and a side of the hinge mechanism connected with the hood is provided with a snap hole matched with the collapse buckle.
8. The novel active hood structure of claim 7,
the movable part of the igniter does not extend out, and the crumple buckle is clamped with the clamping hole;
the movable part of the igniter extends out, and the collapse buckle is separated from the clamping hole.
9. The active engine hood structure as claimed in claim 1, wherein the front locking member is a latch, the latch is in a shape of a concave, the length direction of the latch is arranged along the length direction of the vehicle body, the front mating member is a latch hook, the latch hook is an open-and-close ring structure, and the latch hook can slide along the length direction of the latch.
10. The active hood structure of claim 1, wherein the front locking member is a slide fastener, the front engaging member is a lock groove that can be opened and closed front and back, the length direction of the lock groove is arranged along the length direction of the vehicle body, and the slide fastener can slide along the length direction of the lock groove.
11. A novel active hood structure according to claim 1 wherein the rear end of the hood moved to the first open position covers the lower edge region of the windshield.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022048883.7U CN213831608U (en) | 2020-09-17 | 2020-09-17 | Novel active engine hood structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022048883.7U CN213831608U (en) | 2020-09-17 | 2020-09-17 | Novel active engine hood structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213831608U true CN213831608U (en) | 2021-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022048883.7U Active CN213831608U (en) | 2020-09-17 | 2020-09-17 | Novel active engine hood structure |
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| Country | Link |
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| CN (1) | CN213831608U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114056276A (en) * | 2021-12-21 | 2022-02-18 | 上汽通用汽车有限公司 | Pedestrian protection engine cover assembly |
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2020
- 2020-09-17 CN CN202022048883.7U patent/CN213831608U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114056276A (en) * | 2021-12-21 | 2022-02-18 | 上汽通用汽车有限公司 | Pedestrian protection engine cover assembly |
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Effective date of registration: 20240222 Granted publication date: 20210730 |