KR20130033397A - Multistage bumper for vehicle using repulsive force between permanent magnets - Google Patents

Multistage bumper for vehicle using repulsive force between permanent magnets Download PDF

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Publication number
KR20130033397A
KR20130033397A KR1020130016749A KR20130016749A KR20130033397A KR 20130033397 A KR20130033397 A KR 20130033397A KR 1020130016749 A KR1020130016749 A KR 1020130016749A KR 20130016749 A KR20130016749 A KR 20130016749A KR 20130033397 A KR20130033397 A KR 20130033397A
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KR
South Korea
Prior art keywords
bumper
bumper beam
vehicle
repulsive force
shock absorbing
Prior art date
Application number
KR1020130016749A
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Korean (ko)
Inventor
강영희
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강영희
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Application filed by 강영희 filed Critical 강영희
Priority to KR1020130016749A priority Critical patent/KR20130033397A/en
Publication of KR20130033397A publication Critical patent/KR20130033397A/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
    • B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
    • B60R19/18—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by the cross-section; Means within the bumper to absorb impact
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
    • B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
    • B60R19/18—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by the cross-section; Means within the bumper to absorb impact
    • B60R2019/186—Additional energy absorbing means supported on bumber beams, e.g. cellular structures or material

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vibration Dampers (AREA)

Abstract

The present invention relates to a bumper for a multi-stage shock absorbing vehicle using repulsive force between permanent magnets, and more specifically, spaced apart in front of the bumper beam and the bumper beam installed in front of the pair of bumper mounting frames provided on the vehicle body. Comprising a vehicle bumper comprising a bumper cover, wherein the reinforcing bumper beam is fixed between the bumper mounting frame to be spaced apart from the rear of the bumper beam, and the repulsive force acts between the opposing surface between the bumper cover and the bumper beam A pair of low speed shock absorbing magnet pads are inserted and installed, and a pair of high speed shock absorbing magnet pads are installed between the bumper beams and the reinforcing bumper beams so that a repulsive force is applied between the opposing surfaces. Between the bumper beam and the bumper beam and the reinforcement bumper beam, which are mounted between the bumper cover and the bumper beam according to the driving speed. Chakdoen magnet pad for high-speed shock absorbers to prevent serious damage to the vehicle body to be able to gradually absorb the shock while working in order to relate to the safety of passengers in the multi-type shock-absorbing vehicle bumper to ensure as much as possible.

Description

Multistage bumper for vehicle using repulsive force between permanent magnets}

The present invention relates to a bumper for a multi-stage shock absorbing vehicle using repulsive force between permanent magnets, and more specifically, spaced apart in front of the bumper beam and the bumper beam installed in front of the pair of bumper mounting frames provided on the vehicle body. Comprising a vehicle bumper comprising a bumper cover, wherein the reinforcing bumper beam is fixed between the bumper mounting frame to be spaced apart from the rear of the bumper beam, and the repulsive force acts between the opposing surface between the bumper cover and the bumper beam A pair of low speed shock absorbing magnet pads are inserted and installed, and a pair of high speed shock absorbing magnet pads are installed between the bumper beams and the reinforcing bumper beams so that a repulsive force is applied between the opposing surfaces. Between the bumper beam and the bumper beam and the reinforcement bumper beam, which are mounted between the bumper cover and the bumper beam according to the driving speed. Chakdoen magnet pad for high-speed shock absorbers to prevent serious damage to the vehicle body to be able to gradually absorb the shock while working in order to relate to the safety of passengers in the multi-type shock-absorbing vehicle bumper to ensure as much as possible.

In general, as shown in FIG. 1, the front and rear of the vehicle is equipped with a bumper (1) for mitigating the impact from the outside during the collision of the vehicle, such a bumper (1) bumps the vehicle with another vehicle or obstacles In this case, it absorbs the shock generated during the collision and protects the main parts inside the body and the engine room as well as plays a role in mitigating the shock to the driver and passenger as much as possible.

Existing vehicle bumpers are mostly composed of a bumper cover to enhance the exterior and a shock absorbing material such as urethane foam.As such a vehicle bumper, the shock absorber is bumper at the moment when the bumper cover is pushed toward the vehicle body by the impact when the vehicle collides. It is compressed between the cover and the body to absorb shocks.

However, the conventional bumper for a vehicle configured as described above is not only easily damaged by impact shock absorbers such as urethane foam when the vehicle is strongly collided by the impact, but also breaks the shock absorber is not effectively absorbed shock when the collision, the bumper In order to further increase the volume of the shock absorber, such as urethane foam to improve the buffer capacity of the vehicle was a problem that the appearance of the vehicle is significantly reduced.

In order to solve the above problems, conventionally, two permanent magnets having the same polarity are installed in the bumper at regular intervals, and configured to absorb the shock applied to the bumper by using the repulsive force acting between the two permanent magnets. Bumpers for vehicles using magnetic force have been known.

In the conventional vehicle bumper configured as described above, when the vehicle collides at a low speed of 30 to 40 km / h or less, the shock absorbing ability between the permanent magnets is added to the buffering capacity of the bumper cover and the shock absorber, and thus, When the shock absorbing foam is compressed to the vehicle body by the impact applied to the bumper cover, the shock absorbing foam can be restored to its original state without being damaged, thereby effectively absorbing the impact.

However, the conventional vehicle bumper configured as described above has a structure in which a shock is absorbed only by a pair of permanent magnets mounted at a predetermined distance between the bumper cover and the bumper beam, so that the vehicle can be operated at a high speed of 60 km / h or more. In the event of a collision, the bumper cover and the shock absorbing foam are damaged as a result of the impact applied to the bumper so that the repulsive force of a pair of permanent magnets cannot be handled, as well as the vehicle body is severely damaged and the rider is also seriously injured. There was a problem.

Republic of Korea Patent Publication No. 10-2002-0074885

The present invention has been made in order to solve the above problems, a vehicle bumper including a bumper beam provided in front of the pair of bumper mounting frame provided in the vehicle body and a bumper cover spaced apart in front of the bumper beam; A pair of low-speed shock absorption magnet pads configured to be fixed between the bumper mounting frame and a reinforcement bumper beam are spaced apart from the rear surface of the bumper beam, and a repulsive force is applied between the bumper cover and the bumper beam between opposing surfaces. Is inserted and installed between the bumper beam and the reinforcing bumper beam, a pair of high-speed shock absorbing magnet pads are inserted between the opposing surfaces so that the bumper cover and the bumper according to the traveling speed during the collision of the vehicle. Low speed shock absorption magnet pads mounted between beams and high speed shock absorption magnet pads mounted between bumper beams and reinforcement bumper beams Prevent serious damage to the body to be able to absorb the shock while working step by step and with the technical challenges to ensure the utmost safety of the passengers.

According to an aspect of the present invention, there is provided a bumper beam provided at a front of a pair of bumper mounting frames provided at a vehicle body and a bumper cover spaced apart from the front of the bumper beam. A reinforcement bumper beam is fixedly installed to be spaced apart from the rear surface of the bumper beam between the bumper mounting frames, and a pair of low-speed shock absorption magnet pads are installed between the bumper cover and the bumper beam to act as a repulsive force between opposite surfaces. And a pair of high-speed shock absorbing magnet pads are inserted between the bumper beams and the reinforcing bumper beams in which repulsive force is applied between the opposing surfaces.

In addition, the present invention is characterized in that the low-speed shock absorbing magnetic pad and the high-speed shock absorbing magnetic pad is configured so that a plurality of permanent magnets are embedded in the pad body.

In another aspect, the present invention is characterized in that the low-speed shock absorbing magnetic pad and the high-speed shock absorbing magnetic pad further comprises a pad cover surrounding the outer side of the pair of magnetic pads disposed so that the repulsive force acts between the opposing surfaces. .

The multi-stage shock absorbing vehicle bumper using the repulsive force between the permanent magnets according to the present invention configured as described above is a low-speed shock absorption magnet pad and bumper beam mounted between the bumper cover and the bumper beam according to the traveling speed during the collision of the vehicle; The high-speed shock absorbing magnetic pads mounted between the reinforcing bumper beams can sequentially absorb shocks while operating in sequence, thereby preventing serious damage to the vehicle body and ensuring maximum occupant safety. It works.

1 is an explanatory diagram showing a state of use of a general vehicle bumper;
Figure 2 is a plan sectional view showing the structure of a multi-stage shock absorbing vehicle bumper according to the present invention.
Figure 3 is a perspective view showing a magnetic pad used in a multi-stage shock absorbing vehicle bumper according to the present invention.
Figure 4 is a perspective view showing another embodiment of a magnetic pad used in a multi-stage shock absorbing vehicle bumper according to the present invention.
Figure 5 (a) (b) is an explanatory view showing the operating state of the multi-stage shock absorbing vehicle bumper according to the present invention.

Hereinafter, the present invention for achieving the above object will be described in detail with reference to FIGS. 2 to 5.

As illustrated in FIG. 2, a multi-stage shock absorbing vehicle bumper using repulsive force between permanent magnets according to the present invention includes a bumper beam 3, a bumper cover 4, a reinforcement bumper beam 5, and a pair of low-speed shocks. It comprises the absorption magnet pads 6a and 6b and a pair of high speed shock absorption magnet pads 7a and 7b.

The bumper beam 3 is installed in front of the bumper mounting frames 2a and 2b provided in the vehicle body 20, and the low-speed shock absorption magnet pads 6a and 6b are sufficiently compressed and applied from the outside. When the shock absorbing force exceeding the cushioning range of the low-speed shock absorption magnet pads (6a) (6b) while supporting the low-speed shock absorption magnet pads (6a) (6b) to firmly absorb the shock This serves to transfer to the high-speed shock absorbing magnet pad (7a) (7b).

The bumper beams 3 may be formed in various shapes as in the conventional bumper beams. However, the bumper beams 3 may be formed in a hollow structure so that impacts exceeding the buffer range of the magnetic pads 6a and 6b for low-speed shock absorption may be applied. In this case, it is preferable that the bumper beam 3 itself is plastically deformed to absorb shocks.

The bumper cover 4 is mounted on the front and rear of the vehicle to form an exterior and at the same time absorbs the impact when the vehicle collides, and is generally formed of a synthetic resin material.

The reinforcement bumper beam 5 is fixedly spaced apart from the rear surface of the bumper beam 3 between the bumper mounting frames 2a and 2b, and the magnetic pads 7a and 7b for high-speed shock absorption are installed. Is sufficiently compressed to serve to firmly support the high-speed shock-absorbing magnet pads (7a) (7b) to absorb the impact from the outside.

The reinforcement bumper beam 5 may be formed of a flat plate member, an angle member, or a channel member, but may be formed in a hollow structure like the bumper beam 3 to form the magnetic pad 7a for high-speed shock absorption. When an impact exceeding the cushioning range of 7b) is applied, it is desirable to allow the shock to be absorbed while the plastic itself deforms.

The pair of low speed shock absorbing magnet pads 6a and 6b are inserted between the bumper cover 4 and the bumper beam 3, and are provided on the inner side of the bumper cover 4. The repulsive force acting between 6a and the opposing surface of the magnetic pad 6b provided on the front surface of the bumper beam 3 effectively absorbs the impact generated at low speed collision with a traveling speed of 30 to 40 km / h or less.

The pair of high-speed shock absorbing magnet pads 7a and 7b are inserted between the bumper beams 3 and the reinforcement bumper beams 5, and are arranged on the rear surface of the bumper beams 3. The repulsive force acting between the pad 7a and the opposing surface of the magnetic pad 7b provided on the front surface of the reinforcing bumper beam 5 effectively absorbs the shock generated during a high-speed collision of 60 km / h or more.

The low-speed shock absorbing magnet pads 6a and 6b and the high-speed shock absorbing magnet pads 7a and 7b may each form a permanent magnet in the form of a long pad, but as shown in FIG. 3. It is preferable to form a plurality of permanent magnets 9 embedded in the pad body 8 made of rubber or soft synthetic resin material at regular intervals, respectively.

As described above, the low-speed shock absorption magnet pads 6a and 6b and the high-speed shock absorption magnet pads 7a and 7b are respectively formed in the pad body 8 made of rubber or soft synthetic resin material. When 9) is formed to be buried at regular intervals, it is possible to prevent the permanent magnet (9) from being damaged by moisture during use can further improve the durability.

In addition, the low-speed shock absorbing magnet pad (6a) (6b) and the high-speed shock absorbing magnet pad (7a) (7b), as shown in Figure 4 each of the pair of magnetic pads between the opposing surface It is preferable to form side by side so as to function and to surround the outside of the pad cover 10.

The pad cover 10 surrounding the outer side of the pair of magnet pads has rigidity enough to withstand a constant repulsive force acting between the pair of magnet pads while maintaining a constant distance between the magnet pads. It is preferable to form a thin vinyl or soft rubber material so as to bend smoothly during the buffering action of the pair of magnetic pads.

Thus, when the outer side of the low-speed shock absorption magnet pad (6a) (6b) and the high-speed shock absorption magnet pad (7a) (7b) is formed to surround the pad cover 10, between the pair of magnet pad Not only can it prevent water or foreign substances from entering, but also it can easily and conveniently handle a pair of magnet pads as one part instead of two parts, which greatly improves workability during assembly and replacement. do.

Referring to the assembly and operation of the multi-stage shock absorbing vehicle bumper using the repulsive force between the permanent magnet according to the present invention configured as described above are as follows.

In the multi-stage shock absorbing vehicle bumper according to the present invention, as shown in FIG. 2, a reinforcing bumper beam 5 is fixed between a pair of bumper mounting frames 2a and 2b provided in the vehicle body 20. After installation, the bumper beam 3 is installed in front of the bumper mounting frames 2a and 2b to be spaced apart from the reinforcement bumper 5, and then between the bumper beam 3 and the reinforcement bumper beam 5. A pair of high speed shock absorbing magnet pads 7a and 7b are inserted into and installed between the opposing surfaces, and a pair of low speeds in which the repulsive forces are applied between the opposing surfaces in front of the bumper beam 3. By assembling the bumper cover 4 with the shock absorbing magnet pads 6a and 6b interposed therebetween, it can be easily assembled.

The multi-stage shock absorbing vehicle bumper 1 according to the present invention assembled as described above has a low-speed shock absorption magnet pad 6a mounted between the bumper cover 4 and the bumper beam 3 according to the traveling speed at the time of collision of the vehicle. The high-speed shock absorbing magnet pads 7a and 7b mounted between the 6b and the bumper beam 3 and the reinforcing bumper beam 5 are sequentially operated to absorb shocks step by step.

That is, in the case of a low-speed collision at a driving speed of 30 to 40 km / h or less, as shown in FIG. 5A, a magnetic pad for low-speed shock absorption is installed between the bumper cover 4 and the bumper beam 3. 6a) and 6b are operated. In this case, the impact applied from the outside of the bumper cover 4 may be applied to the magnetic pads 6a and the bumper beam 3 for the low-speed shock absorption provided on the inner surface of the bumper cover 4. It is effectively absorbed by the repulsive force acting between the opposing surfaces of the low-speed shock absorption magnet pad 6b provided on the front surface.

In the case of a high-speed collision of 60 km / h or more, a low-speed shock absorbing magnet pad 6a mounted between the bumper cover 4 and the bumper beam 3 as shown in FIG. 6b) and the high-speed shock absorbing magnet pads 7a and 7b mounted between the bumper beams 3 and the reinforcing bumper beams 5 are sequentially operated, at which time from the outside of the bumper cover 4. The impact applied to the repulsive force acting between the low-speed shock absorption magnet pad 6a provided on the inner side of the bumper cover 4 and the opposing surface of the low-speed shock absorption magnet pad 6b provided on the front of the bumper beam 3. After absorbed primarily by the high-speed shock absorption magnet pad 7a and the reinforcing bumper beam 5 installed on the rear surface of the bumper beam 3, the high-speed shock absorption magnet pad 7b is installed. It is secondarily absorbed by the repulsive force acting between the opposing surfaces of.

Therefore, according to the bumper for a multi-stage shock absorbing vehicle using the repulsive force between the permanent magnets according to the present invention, the magnetic pad for low-speed shock absorption is mounted between the bumper cover (4) and the bumper beam (3) in accordance with the traveling speed during the collision of the vehicle (6a) (6b) and the high-speed shock absorbing magnetic pads (7a) (7b) mounted between the bumper beam (3) and the reinforcing bumper beam (5) can sequentially absorb shocks while operating in sequence. Not only can it prevent serious damage to the body, but it also ensures maximum occupant safety.

1: car bumper
2a, 2b: bumper mounting frame
3: bumper beam
4: bumper cover
5: bumper beam for reinforcement
6a, 6b: Magnetic pads for low speed shock absorption
7a, 7b: Magnetic pad for high speed shock absorption
8: pad body
9: permanent magnet
10: Pad Cover

Claims (3)

In the vehicle bumper comprising a bumper beam provided in front of the pair of bumper mounting frame provided on the vehicle body and a bumper cover spaced apart in front of the bumper beam,
Between the bumper installation frame is fixed to the reinforcing bumper beam spaced apart from the rear of the bumper beam,
Between the bumper cover and the bumper beam, a pair of low-speed shock absorption magnet pads having repulsive force acting therebetween are inserted therebetween,
A bumper for multi-stage shock absorption type vehicle using the repulsive force between permanent magnets, characterized in that a pair of high-speed shock absorbing magnet pad is inserted between the bumper beam and the reinforcing bumper beam between the opposing surface. The multi-stage shock absorbing type using repulsive force between permanent magnets according to claim 1, wherein the low-speed shock absorbing magnet pad and the high-speed shock absorbing magnet pad are configured to embed a plurality of permanent magnets in the pad body, respectively. Car bumper. According to claim 1 or claim 2, wherein the low-speed shock absorbing magnetic pad and the high-speed shock absorbing magnet pad further comprises a pad cover surrounding the outer side of the pair of magnetic pads disposed so that the repulsive force between the opposing surface respectively; Multi-stage shock-absorbing vehicle bumper using the repulsive force between the permanent magnets.
KR1020130016749A 2013-02-18 2013-02-18 Multistage bumper for vehicle using repulsive force between permanent magnets KR20130033397A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020130016749A KR20130033397A (en) 2013-02-18 2013-02-18 Multistage bumper for vehicle using repulsive force between permanent magnets

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020130016749A KR20130033397A (en) 2013-02-18 2013-02-18 Multistage bumper for vehicle using repulsive force between permanent magnets

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KR20130033397A true KR20130033397A (en) 2013-04-03

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114426020A (en) * 2022-03-02 2022-05-03 江苏理工学院 Automobile anti-collision early warning and automatic control system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114426020A (en) * 2022-03-02 2022-05-03 江苏理工学院 Automobile anti-collision early warning and automatic control system

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