CN203681476U - Reversible type front and back synchronous lifting mechanism for automobile engine cover - Google Patents

Abstract

The utility model discloses a reversible car engine cover front and rear synchronous lifting mechanism, which comprises a front connecting rod, a rear connecting rod and a connecting rod. Both the front connecting rod and the rear connecting rod are in an "L" shape. A support is connected with the vehicle body, the rear link is connected with the vehicle body through the second support, the middle part of the front link is hinged with the first support, the middle part of the rear link is hinged with the second support, and the connecting rod is set Between the front connecting rod and the rear connecting rod, one end of the connecting rod is hinged with the lower end of the front connecting rod, and the other end of the connecting rod is hinged with the lower end of the rear connecting rod. The upper end of the hinge is hinged. The front end of the engine cover is provided with a cover lock tongue. The upper end of the front connecting rod is provided with a groove for engaging with the cover lock tongue. The bottom of the connecting rod is provided with a groove for driving the connecting rod to move actuator. The lifting mechanism has a simple structure and is convenient to use, and can effectively reduce the damage to the pedestrian's head caused by the engine cover.

Description

A Reversible Automobile Engine Cover Front and Back Synchronous Lifting Mechanism

technical field

The utility model relates to a synchronous lifting mechanism, in particular to a front and rear synchronous lifting mechanism of a reversible automobile engine cover.

Background technique

At present, road traffic safety issues have received more and more attention. Since safety seats, airbags, seat belts and other car collision safety structures and safety equipment are widely used in countries all over the world, the safety of occupants in the car is effectively protected, and the casualty rate of occupants in general traffic collision accidents is greatly reduced. However, pedestrians are directly exposed to various traffic environments. Because there are no protective measures in a traffic accident, they directly collide with the hard bumper, engine cover, windshield and the ground during the accident collision process. cause serious injury or immediate death. In a pedestrian collision accident, the lower limbs are often the body parts that directly collide with the car, and the collision between the pedestrian's head and the hard parts of the engine under the hood or the windshield will cause fatal injuries, so the head injury is a pedestrian-vehicle collision major cause of death. The focus of pedestrian protection is to reduce or avoid the head injury to pedestrians in the collision between people and vehicles, so the research on the design of active hood has become a trend.

The existing pedestrian head collision protection methods mainly start from two aspects. One is to solve the contradiction between the stiffness and dent resistance of the hood through structural optimization, which can meet both pedestrian protection and dent resistance of the hood The other is to modify the hood of the car so that the car actively raises the hood during a collision to protect pedestrians from fatal injuries. Mechanical hood lift systems are now being researched more and more on such active hood lift systems because they can be operated repeatedly and do not bring additional energy into action.

Utility model content

The purpose of the utility model is to overcome the deficiencies in the above-mentioned prior art, and provide a reversible front and rear synchronous lifting mechanism of the automobile engine cover. The lifting mechanism has a simple structure and is convenient to use, and can effectively reduce the damage to the pedestrian's head caused by the engine cover.

In order to achieve the above object, the technical solution adopted by the utility model is: a reversible car engine cover front and rear synchronous lifting mechanism, which is characterized in that it includes a front connecting rod, a rear connecting rod and a connecting rod, and the front connecting rod and the connecting rod The rear connecting rods are all in an "L" shape, the front connecting rod is connected with the vehicle body through the first support, the rear connecting rod is connected with the vehicle body through the second support, and the middle part of the front connecting rod is connected with the first support. The bearings are hinged, the middle part of the rear connecting rod is hinged with the second bearing, the connecting rod is arranged between the front connecting rod and the rear connecting rod, and one end of the connecting rod is hinged with the lower end of the front connecting rod , the other end of the connecting rod is hinged with the lower end of the rear connecting rod, the rear end of the engine cover is provided with a hinge hinged with the upper end of the rear connecting rod, and the front end of the engine cover is provided with a cover latch, so The upper end of the front connecting rod is provided with a groove for engaging with the cover lock tongue, and the lower part of the connecting rod is provided with an actuator for driving the connecting rod to move.

The above-mentioned synchronous lifting mechanism for the front and rear of a reversible automobile engine cover is characterized in that: the actuator is a cylinder, the cylinder body of the actuator is connected with the vehicle body through a third support, and the actuator The cylinder body of the actuator is hinged with the third support, and the piston rod of the actuator is hinged with the connecting rod.

The above-mentioned synchronous front and rear lifting mechanism of a reversible automobile engine cover is characterized in that: the piston rod of the actuator is hinged to the middle part of the connecting rod.

The above-mentioned synchronous lifting mechanism for the front and rear of the reversible automobile engine cover is characterized in that the structure and size of the front connecting rod and the rear connecting rod are the same.

Compared with the prior art, the utility model has the following advantages:

1. The structure of the utility model is simple, and the design is novel and reasonable.

2. The utility model cushions the human head through the engine cover that is rotated and matched with the front connecting rod and the rear connecting rod, avoiding the severe impact force on the human head after the engine cover is rigidly connected with the car body, and effectively protecting the human head. The pedestrian who was hit.

3. The utility model has the advantages of low cost, good application effect and convenient popularization and use.

To sum up, the utility model has the advantages of simple structure, novel and reasonable design, high working reliability, long service life, good use effect and easy popularization and use.

The technical solutions of the present utility model will be further described in detail through the drawings and embodiments below.

Description of drawings

Fig. 1 is the structural representation of the utility model.

Fig. 2 is a structural diagram of the utility model when the engine cover is in a lifted state.

Fig. 3 is a structural schematic diagram of the utility model when the engine cover is in an open state.

Explanation of reference signs:

1—engine cover; 2—cover latch; 3—front connecting rod;

3-1—groove; 4—connecting rod; 5—actuator;

6—rear link; 7—hinge; 8—first support;

9—the third support; 10—the second support.

Detailed ways

As shown in Figure 1, a reversible automobile engine cover front and rear synchronous lifting mechanism includes a front connecting rod 3, a rear connecting rod 6 and a connecting rod 4, and the front connecting rod 3 and the rear connecting rod 6 are all in the shape of "L". ” type, the front connecting rod 3 is connected to the vehicle body through the first support 8, the rear connecting rod 6 is connected to the vehicle body through the second support 10, and the middle part of the front connecting rod 3 is connected to the first support 8, the middle part of the rear connecting rod 6 is hinged with the second support 10, the connecting rod 4 is arranged between the front connecting rod 3 and the rear connecting rod 6, and one end of the connecting rod 4 is connected to the front connecting rod 4. The lower end of the rod 3 is hinged, the other end of the connecting rod 4 is hinged with the lower end of the rear connecting rod 6, the rear end of the engine cover 1 is provided with a hinge 7 hinged with the upper end of the rear connecting rod 6, and the engine cover The front end of the cover 1 is provided with a cover lock tongue 2, the upper end of the front connecting rod 3 is provided with a groove 3-1 for engaging with the cover lock tongue 2, and the bottom of the connecting rod 4 is provided with a groove for driving Actuator 5 for connecting rod 4 movement.

In this embodiment, the actuator 5 is a cylinder, the cylinder body of the actuator 5 is connected with the vehicle body through the third support 9, and the cylinder body of the actuator 5 is connected with the third support 9 The piston rod of the actuator 5 is hinged with the connecting rod 4 . Preferably, the piston rod of the actuator 5 is hinged to the middle of the connecting rod 4 . The structures and dimensions of the front connecting rod 3 and the rear connecting rod 6 are the same.

As shown in FIG. 2 , when in use, when the head of the car body collides with the pedestrian's lower limbs, the pressure sensor arranged at the head of the car body collects the collision signal and transmits it to the controller, and the controller controls the actuator 5 Action, the actuator 5 drives the connecting rod 4 to move away from the head of the car body. When the connecting rod 4 moves, it drives the front connecting rod 3 to rotate around the first support 8, and at the same time drives the rear connecting rod 6 to rotate around the second support. When the bearing 10 rotates, the front connecting rod 3 and the rear connecting rod 6 rotate to drive the engine cover 1 to lift synchronously, so when the pedestrian's lower limbs are hit, the head of the person will hit the lifted engine cover 1 The human head is buffered by the engine cover 1 which rotates and cooperates with the front connecting rod 3 and the rear connecting rod 6, so as to avoid the severe impact force on the human head after the engine cover 1 is rigidly connected with the car body, effectively protecting The pedestrian who was hit. The connecting rod 4 can then be reset by actuating the actuator 5 .

As shown in Figure 3, the front and rear synchronous lifting mechanism of the reversible automobile engine cover does not hinder the opening of the engine cover 1. When the engine cover 1 needs to be opened, the control actuator 5 drives the lifting mechanism to lift the engine cover. 1 After lifting, pull out the cover lock tongue 2 from the groove 3-1 on the front connecting rod 3, and then turn the engine cover 1 upwards to open the engine cover 1.

The above are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any simple modifications, changes and equivalent structural transformations made to the above embodiments according to the technical essence of the present utility model still belong to Within the scope of protection of the technical solution of the utility model.

Claims (4)

1. synchronous lifting mechanism before and after a reversible type automobile engine cover, it is characterized in that: comprise front rod (3), rear linking rod (6) and pipe link (4), described front rod (3) and rear linking rod (6) are all " L " type, described front rod (3) is connected with car body by the first bearing (8), described rear linking rod (6) is connected with car body by the second bearing (10), the middle part of described front rod (3) and the first bearing (8) are hinged, the middle part of described rear linking rod (6) and the second bearing (10) are hinged, described pipe link (4) is arranged between front rod (3) and rear linking rod (6), the lower end of one end of described pipe link (4) and front rod (3) is hinged, the lower end of the other end of described pipe link (4) and rear linking rod (6) is hinged, the rear end of engine bonnet (1) is provided with the hinge (7) being hinged with rear linking rod (6) upper end, the front end of described engine bonnet (1) is provided with cover cap dead bolt (2), the upper end of described front rod (3) be provided with for the groove (3-1) of cover cap dead bolt (2) phase clamping, the below of described pipe link (4) is provided with for driving the mobile actuator (5) of pipe link (4).

2. synchronous lifting mechanism before and after a kind of reversible type automobile engine cover according to claim 1, it is characterized in that: described actuator (5) is a cylinder, the cylinder body of described actuator (5) is connected with car body by the 3rd bearing (9), the cylinder body of described actuator (5) and the 3rd bearing (9) are hinged, and the piston rod of described actuator (5) and pipe link (4) are hinged.

3. synchronous lifting mechanism before and after a kind of reversible type automobile engine cover according to claim 2, is characterized in that: the middle part of the piston rod of described actuator (5) and pipe link (4) is hinged.

4. synchronous lifting mechanism before and after a kind of reversible type automobile engine cover according to claim 1, is characterized in that: structure and the size of described front rod (3) and rear linking rod (6) are all identical.

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