KR20020091368A - An automotive height lift up device - Google Patents

Abstract

PURPOSE: A lifting device of a vehicle height is provided not to advance toward the lower part of a large vehicle by lifting the height at a head-on collision. CONSTITUTION: A bumper(B) is installed through a vehicle width by connecting with a car frame. A suspension device is installed in a wheel to absorb and damp shock from a road surface by fixing in a car panel(PN). A lift-up device generates lifting force to lift a shock absorber(11) by receiving shock from the bumper. The lift-up device comprises a shock detecting device(20), a transmitting device(30), a controlling device(40) and a lifting device(50). The shock detecting device generates an anticlockwise rotation moment by shock. The transmitting device generates moving force to be moved frontward a vehicle by the rotation moment. The controlling device is moved by the transmitting device. The lifting device generates lifting force by compressing a spring(12) of the suspension device through falling force of the controlling device. The upper part of a shock absorber(11) is lifted by the lifting force. Thereby, the serious damages of passengers are prevented by lifting the vehicle height though a vehicle is crushed with a large vehicle.

Description

Vehicle height lift device {An automotive height lift up device}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle height raising apparatus, and more particularly, to a vehicle height raising apparatus that is capable of raising the front portion during a collision of the vehicle.

In general, the front part of the passenger vehicle is connected to the vehicle frame F portion, which is the skeleton of the vehicle, to absorb and disperse the impact applied to the front of the engine room hidden by the hood H, as shown in FIG. The bumper B is provided along the shock absorber 11 fixed to the vehicle body panel PN forming an engine room at the wheel T portion to absorb and cushion the shock applied from the road surface while the vehicle is running. And a suspension device 10 composed of a spring 12 is provided.

Since the ground level of the vehicle, that is, the garage, generates various pressures while lifting the vehicle body while the various hydraulic devices mounted on the vehicle are operated, the parking garage L 'is started when the engine is started. The vehicle is driven in a state where the vehicle is raised from the stop time garage L in the off state.

However, when the ground clearance of such a vehicle presses the brake pedal for braking of the vehicle to operate the brake, hydraulic pressure acts toward the brake assembly mounted on the wheel T and the vehicle speed is drastically decelerated. If the front part collides with the rear of a large vehicle such as a truck, the hood (H) portion is pushed under the loading box to narrow the space of the front seat in which the passenger boards. There is a problem that causes severe body injury.

Accordingly, the present invention has been made in view of the above-mentioned matters, and the height of the vehicle is increased by the impact force applied during the front collision of the vehicle to the height higher than when the vehicle is being driven, so that the height of the vehicle is not entered under the large vehicle. The object is to provide a device.

The present invention for achieving the above object, the bumper provided along the vehicle width that is connected to the body frame portion, which is the skeleton of the vehicle leading to the front of the engine room, and the shock applied to the body panel forming the engine room to the impact applied from the road surface It is characterized in that it is made of a suspension device mounted on the wheel portion to absorb and cushion and a lift-up device for generating a lifting force to raise the one end portion of the shock absorber of the suspension device by receiving the shock applied from the bumper.

1 is a front configuration diagram of a typical vehicle

Figure 2 is a front view of the configuration of the vehicle having a garage lift apparatus according to the present invention

3 is a perspective view of a chamber housing according to the present invention;

4 is a perspective view of a stopper according to the present invention;

5 is a perspective view of the operation means according to the invention

6 is an operation of the garage lift apparatus according to the invention

<Description of the symbols for the main parts of the drawings>

10: suspension device 11: shock absorber

12: spring 20: impact detection means

21: detection lever 21a: detection stage

21b: transfer end 21b ': locking portion

22,34 support member

30: transfer means 31: chamber housing

32: elastic member 33: plug

34 support member 35 stopper

35a: body 35b: fixed end

35c: release end 35c ': locking piece

40: operation means 41: base

41a: seating end 41b: coupling groove

42: guider 42a: inclined end

42b: moving slot 42c: coupling end

42d: fixed end 50: ascending means

51: fixing member 52: connecting rod

52a: Nut 53: restraining member

53a, 53a ': Bracket

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

2 is a view showing the front part of the vehicle having a height raising device according to the present invention, the present invention to absorb and disperse the impact applied to the front of the engine room obscured by the hood (H). The shock absorber is fixed to the bumper (B) provided along the vehicle width and the body panel (PN) forming the engine room to absorb and cushion the impact from the road surface while the vehicle is running. One end portion of the shock absorber 11 of the suspension device 10 receives the shock applied from the suspension device 10 and the bumper B, which is composed of the spring 11 and the wheel 12. Lift up device for generating a lift force to raise the.

Here, the lift-up device is a shock sensing means 20 for generating a counter-clockwise rotation moment M1 by the impact applied to the inside of the bumper (B), and the rotation of the impact sensing means 20 Transmission means 30 for generating a moving force (F) to be moved toward the front of the vehicle by the moment, the operating means 40 and the operating means are moved together by the moving force (F) of the transmission means 30 Lifting means for receiving the lowering force (F ') in accordance with the position movement of the 40 to compress the spring 12 of the suspension device 10 to generate a lifting force (F ") to raise the upper portion of the shock absorber 11 ( 50).

Here, the impact sensing means 20 is made of a sensing lever 21 coupled to free rotation via a hinge pin to the support member 22 in the interior of the bumper (B) to be deformed by the applied impact force, the sensing The lever 21 has a sensing end 21a which is in contact with an inner surface of the bumper B with a pad, such as a sponge, around the hinge pin P, and a transmission means opposite to the sensing end 21a. And a delivery stage 21b coupled to 30).

Here, the hooking portion 21b 'is formed in one direction so as to increase the coupling force with the transfer means 30 in the transfer end 21b.

In addition, the transmission means 30 is a chamber housing 31 fixed to one end of the support member 34 fixed to the hood (H) portion, and received in the chamber housing 31, the impact sensing means 20 The stopper 35 is moved by the elastic force of the elastic member 32 made of a spring by releasing the restraining force to move the operation means 40 in the same direction.

Here, as shown in FIG. 3, one side of the chamber housing 31 is blocked to face each other, and a longitudinal movement slot 31a is formed to freely move the stopper 35, while the chamber housing 31 of the chamber housing 31 is formed. The open end is blocked by the plug 33.

In addition, the stopper 35 moving along the movable slot 31a of the chamber housing 31 is accommodated in the chamber housing 31 as shown in FIG. 4 and the body 35a having the elastic member 32 fixed thereto. And a moving end of the body 35a protruding into the moving slot 31a of the body 35a, the fixed end 35b having one end fixed to the operation means 40, and a position opposite to the fixed end 35b. It is composed of a release end (35c) is coupled to and constrained to the transmission end (21b) of the detection lever 21 protruding to (31a) to form the impact detection means (20).

Here, the release end 35c is formed with a hook-shaped locking piece 35c 'in one direction so as to increase the coupling force with the locking portion 21b' formed at the transmission end 21b of the sensing lever 21. Of course.

And, the operation means 40 is a pair of opening grooves (41b) which are fixed to the vehicle body frame (F) and opened in parallel to each other in the seating end (41a) protruding in a substantially hat shape as shown in Figure 5 The base 41 is formed and a guider 42 seated on the base 41 and moved straight by the stopper 35 of the transmission means 30, wherein the guider 42 has an empty space therein. And an inclined end 42a formed by obliquely bending the center part so that the upper end part and the lower end part have a height difference H, and protrude in parallel to each other at the lower part of the inclined end 42a to open the base 41. A fixed end coupled to the groove 41b by a pair of coupling ends 42c and a fixed end 35b of the stopper 35 and a hinge pin or a bolt through one end of the inclined end 42a ( 42d).

Here, the inclined end (42a) is opened so as to communicate with the empty space therein is formed along the shape of the movable slot (42b) is guided to lower the ascending means (50) as much as the height difference (H).

Then, the lifting means 50 for raising the shock absorber 11 of the suspension device 10 via the operation means 40 is a fixing member 51 provided in the shock absorber 11 of the suspension device 10. And a connecting rod having a nut 52a at the end thereof, which is fixed to the fixing member 51 to prevent separation when moved along the movable slot 42b formed in the guider 42 of the operation means 40. And a restraining member 53 made of a spring for continuously applying downward force to the connecting rod 52.

Here, the restraining member 53 is fixed through the bracket 53a provided at a predetermined portion of the connecting rod 52 and the bracket 53a 'provided in the body frame F.

Hereinafter, the operation of the present invention will be described in detail.

When the brake is operated by operating the brake pedal while the vehicle is driving, the garage, which is the ground clearance of the vehicle, is reduced from the parking garage L 'to the stopping parking garage L, but the bumper B provided at the foremost part of the vehicle When an impact is applied, the deformation of the bumper B occurs and the impact force is transmitted to the impact detecting means 20.

Subsequently, the sensing lever 21 of the impact sensing means 20 which receives the impact force from the bumper B generates the rotation moment M1 in the counterclockwise direction through the hinge pin of the support member 22. The sensing stage 21a of the sensing lever 21 is pushed into the vehicle by the impact force and generates a counterclockwise rotation moment M1 through the hinge pin, so that the transmission stage 21b is upward (the hood ( To H).

Accordingly, while the release end 35c of the stopper 35 of the transmission means 30 coupled to the detection lever 21 of the impact detecting means 20 is released, the elastic member 32 of the chamber housing 31 is compressed. The moving force F is generated by the restoring force of the spring, and the stopper 35 is then moved toward the bumper B along the moving slot 31a of the chamber housing 31.

Subsequently, the guider 42 of the operation means 40 coupled through the fixed end 35b of the stopper 35 is moved toward the bumper B along the engaging groove 41b of the base 41. The connecting rod 52 of the lifting means 50 inserted into the moving slot 42b of the guider 42 by the movement of the guider 42 is located at the lower position of the inclined end 41a, that is, of the guider 42. As the height difference H moves a lot, the downward force F 'in the downward direction is applied to the spring 12 of the suspension device 10.

That is, the fixing member 51 generates the downward force F 'in the downward direction by the downward pressing force of the restraining member 53 provided in the connecting rod 52 of the lifting means 50, thereby reducing the spring 12. When compressed, the compression force of the spring 12 presses the knuckle portion on which the wheel is mounted to move one end of the shock absorber 11 fixed to the knuckle portion downward.

As such, the other end of the fixed end shock absorber 11 is lifted upwardly by the downward pressing force of one end of the shock absorber 11 while generating a lifting force F ", that is, the hood ( Push toward H) to raise the garage, the ground clearance of the vehicle, from the stop garage L to the crash garage L ".

As described above, according to the present invention, since one end portion of the shock absorber of the suspension device is lifted upward by the impact force applied to the bumper during the front collision of the vehicle, the vehicle ground height is raised to a height higher than when the vehicle is running. Even when the front part collides with the rear of the same large car, the hood (H) part of the front is pushed in, and the space of the front seat occupied by the passenger is narrowed, so that there is no effect of causing serious bodily injury of the passenger.

Claims (15)

Absorbs and cushions the shock applied from the road surface by being fixed to the bumper B provided along the vehicle width following the vehicle frame F portion, which is the skeleton of the vehicle, which is extended to the front of the engine room, and the body panel PN constituting the engine room. Suspension device 10 mounted on the wheel T portion to receive the shock applied from the bumper (B) to generate a lift force to raise the one end portion of the shock absorber 11 of the suspension device 10 A garage lift of a vehicle consisting of a lift up device. According to claim 1, wherein the lift-up device is provided on the inside of the bumper (B) impact detection means 20 for generating a counterclockwise rotation moment (M1) by the applied shock and the impact detection means ( Transmission means 30 for generating a moving force (F) to be moved toward the front of the vehicle by the rotation moment of 20, the operation means 40 is moved together by the moving force (F) of the transmission means 30 And a lifting force F "for receiving the lowering force F 'according to the positional movement of the operation means 40 to compress the spring 12 of the suspension device 10 to raise the upper portion of the shock absorber 11. Garage raising device of a vehicle, characterized in that consisting of the rising means (50) generated. The method of claim 2, wherein the impact detecting means 20 is made of a sensing lever 21 coupled to freely rotate via a hinge pin to the support member 22 inside the bumper (B) to be deformed by the applied impact force. The sensing lever 21 has a sensing end 21a which contacts the inner surface of the bumper B with a pad, such as a sponge, around the hinge pin P, and an opposite side of the sensing end 21a. Garage raising device of a vehicle, characterized in that consisting of a transmission end (21b) coupled to the transmission means (30). 4. The apparatus of claim 3, wherein the sensing end (21a) of the sensing lever (21) contacts the inner surface of the bumper (B) via a pad such as a sponge. The method of claim 2, wherein the transmission means 30 is a chamber housing 31 fixed to one end of the support member 34 fixed to the hood (H) portion, the chamber housing 31 is accommodated in the shock sensing Vehicle height raising device, characterized in that the stopper 35 is moved by the elastic force of the elastic member 32 made of a spring by the release of the restraining force of the means 20 to move the operation means 40 in the same direction. . 6. The chamber housing (31) according to claim 5, wherein one side of the chamber housing (31) is opposed to each other so that the stopper (35) moves in the longitudinal direction so that the stopper (35) moves freely, while the open end of the chamber housing (31) is formed. The garage lift apparatus of the vehicle, characterized in that blocked by the plug (33). 6. The stopper (35) according to claim 5, wherein the stopper (35) is accommodated in the chamber housing (31) and the body (35a) on which the elastic member (32) is fixed, and the moving slot (31a) of the body (35a) protrudes the operation means. A detection lever (35) protruding to the movable end (31a) of the body (35a) at a position opposite to the fixed end (35b) fixed to the end (40) and forming the impact detecting means (20); A lift device of a vehicle, comprising a release end (35c) coupled to and constrained to the transfer end (21b) of the 21. 8. The hooking portion 21b 'and the hooking piece 35c' of the corresponding shape are respectively formed in the transmission end 21b and the release end 35c so as to increase the mutual coupling force. Garage raising device of a vehicle, characterized in that formed. According to claim 2, wherein the operation means 40 is fixed to the vehicle body frame (F) and a base having a pair of opening grooves (41b) which are opened in parallel to each other in the seating end (41a) protruding in a substantially hat shape ( 41 and a guider 42 seated on the base 41 and moved straight by the stopper 35 of the transmission means 30, the guider 42 forming an empty space therein and having an upper end. The inclined end 42a which bends the center part obliquely so that a site | part and a lower end part may have height difference H, and the opening groove 41b of the base 41 protrudes in parallel with each other in the lower part of this inclined end 42a. Height of the vehicle, characterized in that it comprises a pair of coupling ends 42c coupled to the fixed end 42d coupled to the fixed end 35b of the stopper 35 at one end of the inclined end 42a. Device. 10. The method according to claim 9, wherein the inclined end (42a) is opened so as to communicate with the empty space therein is formed along the shape of the movable slot (42b) to guide the lifting means 50 to lower as much as the height difference (H) The garage lift of the vehicle, characterized in that the. The method of claim 2, wherein the lifting means (50) is a fixing member 51 provided on the shock absorber (11) of the suspension device (10), and is fixed to the fixing member 51 of the operation means (40) The connection rod 52 which is moved along the movement slot 42b formed in the guider 42, and the restraining member 53 which continuously applies the downward force to this connection rod 52, Garage lift. The method of claim 11, wherein the restraint member 53 is fixed to the bracket 53a provided in a predetermined portion of the connecting rod 52 and the bracket 53a 'provided in the body frame (F) as a medium. The car's garage lift. 12. The device as claimed in claim 11, wherein the restraint member is a spring having an elastic force. 12. The apparatus of claim 11, wherein the connection rod (52) is bent to apply maximum force in a narrow space. The end of the connecting rod 52 is provided with a nut 52a at the end of the connecting rod 52 so as to prevent separation when moved along the moving slot 42b formed in the guider 42 of the operation means 40. A garage lift of a vehicle, characterized in that one.