CN210591752U - High automobile front cross beam of security - Google Patents

Abstract

The utility model relates to a high-safety automobile front cross beam, which comprises a front cross beam body, wherein the front cross beam body comprises a cross beam frame and a cross beam front cover, the cross beam front cover is fixed outside the cross beam frame, both sides of the front cross beam body are respectively fixed with a fixed edge, two groups of steel plate fixing devices are arranged inside the front cross beam body, each group of steel plate fixing device comprises two steel plate edge blocking strips, two steel plates are respectively fixed inside each group of steel plate fixing device, a plurality of buffer pieces are arranged between the two groups of steel plate fixing devices, a damping device is also fixed inside the front cross beam body, the damping device comprises a damping cavity, a damping column and a hydraulic plug are embedded inside the damping cavity, the lower end of the damping column is fixed with the hydraulic plug, the damping column passes through the inside of the cross beam front cover, the other end of the damping column is fixed with a front baffle, water is filled inside the damping cavity, the inner part of the overflow hole is embedded with a sealing plug. This car front beam energy-absorbing is effectual, the security is high.

Description

High automobile front cross beam of security

Technical Field

The utility model belongs to the technical field of the car technique and specifically relates to a high car front beam of security is related to.

Background

With the improvement of the requirements of consumers on the safety performance of automobiles, the development technology of automobile safety is also continuously improved. The safety performance of the vehicle body structure is the basis for passive safety. The front cross member of the automobile is one of the most critical components in the frontal collision. Particularly, in the forty percent offset collision in a new vehicle evaluation system, the front cross beam plays a role in crushing a deformable barrier, absorbing energy by self deformation and transmitting the collision capacity to the longitudinal beams on two sides. Therefore, the reasonable design of the front cross beam structure is one of the key factors for improving the safety performance of the front collision vehicle body.

Most simple structure of current car front beam, the energy-absorbing effect is relatively poor when bumping in the traffic accident, and the security is relatively poor, remains to promote to automobile body's buffering effect, consequently needs a car front beam that the energy-absorbing is effectual, the security is high.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the technical problem who exists among the prior art, provide an energy-absorbing effectual, the high front beam of car of security.

The utility model provides an above-mentioned technical problem's technical scheme as follows: a high-safety automobile front cross beam comprises a front cross beam body, wherein the front cross beam body comprises a cross beam frame and a cross beam front cover, the cross beam front cover is fixed on the outer portion of the cross beam frame, fixing edges are fixed on two sides of the front cross beam body, two groups of steel plate fixing devices are arranged in the front cross beam body, each group of steel plate fixing devices comprises two steel plate side blocking strips, two steel plates are fixed in each group of steel plate fixing devices, a plurality of buffer pieces are arranged between the two groups of steel plate fixing devices, the buffer pieces are fixed on the inner wall of the front cross beam body, a damping device is further fixed in the front cross beam body and comprises a damping cavity, a damping column and a hydraulic plug are embedded in the damping cavity, the lower end of the damping column is fixed with the hydraulic plug, and the damping column penetrates through the inner portion of the cross beam front cover, the other end of the damping column is fixed with a front baffle, water is filled in the damping cavity, an overflow hole is formed in the bottom of the damping cavity, and a sealing plug is embedded in the overflow hole.

Preferably, the automobile front cross beam with high safety is characterized in that a blank holder strip is fixed on the inner side of each steel plate blank holder strip and is suitable for clamping the steel plates.

Preferably, the automobile front cross beam with high safety is characterized in that the buffer sheets are arranged in a matrix form.

Preferably, the automobile front cross beam with high safety is characterized in that the buffer sheet is a metal sheet with the thickness of 3-5 mm.

Preferably, the automobile front cross beam with high safety is characterized in that the steel plate is an arc-shaped bent plate and is suitable for buffering impact force.

Preferably, the safety of the front cross member of the automobile is high, and the front baffle is positioned on the front side of the cross member front cover.

Preferably, the safety of the front cross beam of the automobile is high, and the front baffle and the cross beam front cover are parallel to each other.

Preferably, the automobile front cross beam with high safety is adopted, wherein the front baffle is made of a high-rigidity material.

The utility model has the advantages that: when using this high car front beam of security, if the car bumps with the external world, the preceding baffle receives the striking earlier, and the damping post of both sides is given with the impact transmission to preceding baffle, and the damping post promotes the hydraulic pressure stopper after receiving pressure and removes, and the increase of pressure in the damping cavity is washed the sealing plug open, and the water in the damping cavity overflows from the overflow hole, because the aperture of overflow hole is less, comes not nearly all to flow out, therefore the water in the damping cavity plays the damping action to the hydraulic pressure stopper. If the impact force is large, the front baffle plate finally collides against the front cover of the beam in the process of moving backwards, the front baffle plate collides against the buffer pieces distributed in the matrix and the arc-shaped steel plates on the two sides, the buffer pieces are metal pieces with the thickness of 3-5 mm, the buffer pieces are properly bent to absorb energy in the collision between the front cover of the beam and the buffer pieces, the frame is buffered, in addition, after the arc-shaped steel plates are impacted, the curvature is properly changed, the impact force is converted into elastic potential energy, and the impact force can be effectively buffered. The automobile front cross beam has good energy absorption effect and higher safety.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the front cross member;

FIG. 3 is a schematic view of the damper device;

FIG. 4 is an interior top view of the front cross member;

fig. 5 is a partial enlarged view of a portion a in fig. 4.

In the drawings, the components represented by the respective reference numerals are listed below:

1. the front cross beam comprises a front cross beam body, 2, a damping device, 21, a damping column, 22, a damping cavity, 23, a hydraulic plug, 24, water, 25, a sealing plug, 26, an overflow hole, 3, a steel plate edge retaining strip, 4, a steel plate, 5, a buffer sheet, 6, a front baffle, 7, a fixed edge, 8, an edge retaining strip, 9, a cross beam frame, 10 and a cross beam front cover.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

As shown in fig. 1, 2, 4 and 5, the automobile front cross beam with high safety comprises a front cross beam body 1, wherein the front cross beam body 1 comprises a cross beam frame 9 and a cross beam front cover 10, the cross beam front cover 10 is fixed outside the cross beam frame 9, fixing edges 7 are fixed on two sides of the front cross beam body 1, and the fixing edges 7 are used for fixing the front cross beam body 1 to a frame. The inside of front beam body 1 is provided with two sets of steel sheet fixing device, and every steel sheet fixing device of group all contains two steel sheet fenders strip 3, and every steel sheet fixing device's of group inside all is fixed with two steel sheets 4, and every steel sheet fenders strip 3's inboard all is fixed with blank holder 8, is suitable for 4 chucking with the steel sheet. The steel plate 4 is an arc-shaped bent plate and is suitable for buffering impact force. A plurality of buffer pieces 5 are arranged between the two groups of steel plate fixing devices, the buffer pieces 5 are metal pieces with the thickness of 3-5 mm, and the buffer pieces 5 are arranged in a matrix form. The buffer sheet 5 is fixed on the inner wall of the front beam body 1, and the damping device 2 is also fixed inside the front beam body 1.

As shown in fig. 1, 2, 3 and 4, the damping device 2 includes a damping cavity 22, a damping column 21 and a hydraulic plug 23 are embedded in the damping cavity 22, the lower end of the damping column 21 is fixed to the hydraulic plug 23, the damping column 21 passes through the inside of the cross beam front cover 10, and the other end of the damping column 21 is fixed to the front baffle 6. The front baffle 6 is positioned on the front side of the cross beam front cover 10, and the front baffle 6 and the cross beam front cover 10 are parallel to each other. The damping cavity 22 is filled with water 24, the bottom of the damping cavity 22 is provided with an overflow hole 26, and a sealing plug 25 is embedded in the overflow hole 26. The front baffle 6 is made of high-rigidity material, when collision happens, the front baffle 6 is firstly impacted, the impact force is transmitted to the damping columns 21 on the two sides by the front baffle 6, the damping columns 21 push the hydraulic plugs 23 to move after being pressurized, the pressure in the damping cavity 22 is increased, the sealing plugs 25 are flushed away, water 24 in the damping cavity 22 overflows from the overflow holes 26, and the water 24 in the damping cavity 22 cannot flow out in time due to the small aperture of the overflow holes 26, so that the water 24 in the damping cavity 22 plays a damping role in damping the hydraulic plugs 23. If the impact force is large, the front baffle 6 finally impacts the front cover 10 of the cross beam in the process of moving backwards, the front baffle impacts the buffer sheets 5 distributed in the matrix and the arc-shaped steel plates 4 on the two sides, the buffer sheets 5 are metal sheets with the thickness of 3-5 mm, the toughness of the buffer sheets 5 is moderate, and the front baffle can bear certain pressure when meeting the impact force in the vertical direction and can be bent and deformed later. In the impact of the beam front cover 10 and the buffer sheet 5, the buffer sheet 5 is properly bent to absorb energy, so that the frame is buffered, and in addition, after the arc-shaped steel plate 4 is impacted, the curvature is properly changed, so that the impact force is converted into elastic potential energy, and the impact force can be effectively buffered.

When the automobile front cross beam with high safety is used, if an automobile collides with the outside, the front baffle 6 is firstly impacted, the front baffle 6 transmits impact force to the damping columns 21 on the two sides, the damping columns 21 push the hydraulic plugs 23 to move after being pressurized, the pressure in the damping cavity 22 is increased, the sealing plugs 25 are flushed, water 24 in the damping cavity 22 overflows from the overflow holes 26, and the water 24 in the damping cavity 22 cannot flow out until the water completely flows out due to the small aperture of the overflow holes 26, so that the water 24 in the damping cavity 22 plays a damping role in the hydraulic plugs 23. If the impact force is large, the front baffle 6 finally collides against the beam front cover 10 in the process of moving backwards, the front baffle collides against the buffer sheets 5 distributed in a matrix and the arc-shaped steel plates 4 on two sides, the buffer sheets 5 are metal sheets with the thickness of 3-5 mm, the buffer sheets 5 are properly bent to absorb energy in the collision between the beam front cover 10 and the buffer sheets 5, the frame is buffered, in addition, after the arc-shaped steel plates 4 are impacted, the curvature is properly changed, the impact force is converted into elastic potential energy, and the impact force can be effectively buffered. The automobile front cross beam has good energy absorption effect and higher safety.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims (8)

1. The utility model provides a high car front beam of security, includes front beam body (1), its characterized in that: preceding crossbeam body (1) is including crossbeam frame (9), crossbeam protecgulum (10) are fixed the outside of crossbeam frame (9), the both sides of preceding crossbeam body (1) all are fixed with fixed limit (7), the inside of preceding crossbeam body (1) is provided with two sets of steel sheet fixing device, every group steel sheet fixing device all contains two steel sheet fender strake (3), every group steel sheet fixing device's inside all is fixed with two steel sheet (4), and is two sets of be provided with a plurality of buffer blocks (5) between the steel sheet fixing device, buffer block (5) are fixed on the inner wall of preceding crossbeam body (1), the inside of preceding crossbeam body (1) still is fixed with damping device (2), damping device (2) are including damping cavity (22), the inside embedding of damping cavity (22) has damping post (21) The hydraulic pressure stopper (23), the lower extreme of damping post (21) with hydraulic pressure stopper (23) are fixed, damping post (21) pass the inside of crossbeam protecgulum (10), the other end of damping post (21) is fixed with preceding baffle (6), the inside of damping cavity (22) is packed into water (24), the bottom of damping cavity (22) is provided with spill hole (26), the inside embedding of spill hole (26) has sealing plug (25).

2. The high-safety automobile front cross beam of claim 1, wherein: and the inner side of each steel plate edge blocking strip (3) is fixed with an edge pressing strip (8) suitable for clamping the steel plate (4).

3. The high-safety automobile front cross beam of claim 1, wherein: the buffer sheets (5) are arranged in a matrix form.

4. The high-safety automobile front cross beam of claim 1, wherein: the buffer sheet (5) is a metal sheet with the thickness of 3-5 mm.

5. The high-safety automobile front cross beam of claim 1, wherein: the steel plate (4) is an arc-shaped bent plate and is suitable for buffering impact force.

6. The high-safety automobile front cross beam of claim 1, wherein: the front baffle (6) is positioned on the front side of the beam front cover (10).

7. The high-safety automobile front cross beam of claim 1, wherein: the front baffle (6) and the cross beam front cover (10) are parallel to each other.

8. The high-safety automobile front cross beam of claim 1, wherein: the front baffle (6) is made of high-rigidity material.

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