CN213322980U

CN213322980U - Impact-resistant automobile bumper

Info

Publication number: CN213322980U
Application number: CN202022248793.2U
Authority: CN
Inventors: 朱嘉浩; 朱勇良; 张忠
Original assignee: Xiangyang Kejia Mechanical And Electrical Equipment Co ltd
Current assignee: Xiangyang Kejia Mechanical And Electrical Equipment Co ltd
Priority date: 2020-10-12
Filing date: 2020-10-12
Publication date: 2021-06-01
Anticipated expiration: 2030-10-12

Abstract

The utility model discloses an impact-resistant car bumper, concretely relates to auto-parts technical field, including the support arm, lid before the top fixedly connected with of support arm, the inside of preceding lid is provided with additional strengthening, bottom fixedly connected with front-axle beam between the support arm, the bottom of support arm is provided with fixed knot constructs, be provided with impact-resistant structure between preceding lid and the front-axle beam, the outside at spacing post is cup jointed in the both sides activity of hinge bar. The utility model discloses a be provided with first bolt, second bolt, roof, bottom plate and third bolt, during the use, with the both sides of first bolt fastening at the car front end, with the second bolt fastening that roof department connects at the top of car, fix the third bolt fastening that bottom plate department connects at vehicle chassis, first bolt, second bolt and third bolt are high strength bolt, have guaranteed the stability of installation, and the structure is convenient, is convenient for in time maintain and change it.

Description

Impact-resistant automobile bumper

Technical Field

The utility model relates to the technical field of auto-parts, specifically be an impact-resistant car bumper.

Background

Along with the improvement of people's standard of living constantly, more and more people select the car as the instrument of riding instead of walk, can install the bumper on the front-axle beam of car generally, play the effect of protection to the car, when receiving the collision, the positive atress of bumper reduces the damage to people, and current car bumper still has some problems, and shock resistance can not enough, has great potential safety hazard to the car personnel of taking.

In the process of implementing the present invention, the inventor finds that at least the following problems exist in the prior art and are not solved:

(1) the traditional automobile bumper has insufficient impact force buffering performance and is more harmful to passengers after being collided;

(2) the traditional automobile bumper is inconvenient to mount, generally welded with a frame and has a larger distance from an automobile body;

(3) the front shell of the conventional automobile bumper has insufficient pressure resistance and low structural strength, thereby resulting in low impact resistance.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an impact-resistant car bumper to it is not enough to provide the impact resistance performance of buffering in solving above-mentioned background art, receives the great problem of harm to the personnel of taking after the collision.

In order to achieve the above object, the utility model provides a following technical scheme: an impact-resistant automobile bumper comprises support arms, wherein the top ends of the support arms are fixedly connected with a front cover body, a reinforcing structure is arranged inside the front cover body, a front beam is fixedly connected to the bottom ends between the support arms, a fixing structure is arranged at the bottom ends of the support arms, and an impact-resistant structure is arranged between the front cover body and the front beam;

the impact-resistant structure comprises a limiting rod, the limiting rod is provided with two sets of and one side and the other side of fixed connection lid bottom in the front respectively, the bottom fixedly connected with buffer spring of limiting rod, buffer spring's outside fixedly connected with mount pad, mount pad fixed connection is in the both sides on front-axle beam top, respectively the spacing post of fixedly connected with between limiting rod and the mount pad, the activity articulates between the spacing post has the hinge bar, the outside at spacing post is cup jointed in the both sides activity of hinge bar, the both sides fixedly connected with connecting sleeve piece of hinge bar, the opposite side fixedly connected with limiting spring of connecting sleeve piece, limiting spring's opposite side respectively with one side fixed connection of limiting rod and mount pad.

Preferably, four groups of limiting springs are arranged, and the elastic coefficients of the four groups of limiting springs are equal.

Preferably, the fixed knot constructs by first bolt, second bolt, roof, bottom plate and third bolt and constitutes, the inside of support arm is provided with first bolt, roof fixed connection is on the top of front beam, one side on roof top is provided with the second bolt, bottom plate fixed connection is in the bottom of front beam, one side of bottom plate bottom is provided with the third bolt.

Preferably, the first bolts are arranged in two groups and are symmetrically distributed about the vertical center line of the front beam.

Preferably, the reinforcing structure is composed of a fixing seat, a reinforcing column, a spring plate and a buffer filler, the fixing seat is fixedly connected inside the front cover body, the reinforcing column is fixedly connected inside the fixing seat, the spring plate is fixedly connected at a corner inside the fixing seat, and the buffer filler is filled between the reinforcing columns.

Preferably, the reinforcing columns are in an H shape, and multiple groups of reinforcing columns are arranged in the fixing seat at equal intervals.

Compared with the prior art, the beneficial effects of the utility model are that: the impact-resistant automobile bumper not only realizes the increase of the impact resistance of the bumper, the realization of convenient installation and simple installation structure, ensures the stability of the bumper in use, but also realizes the improvement of the pressure resistance of the front shell and the increase of the internal structural strength;

(1) when the bumper is used, when the front cover body is subjected to external impact force, the limiting rod is stressed and extruded towards the mounting seat, the bottom of the limiting rod is connected with the buffer spring to play a buffering role, meanwhile, when the limiting rod is extruded towards the mounting seat, the hinge rod connected between the limiting columns is inwards close to the mounting seat, the effect of buffering and limiting is achieved under the action of the limiting spring, the structure is stable, and the buffering impact resistance of the bumper is improved;

(2) by arranging the first bolt, the second bolt, the top plate, the bottom plate and the third bolt, when in use, the first bolt is fixed at two sides of the front end of the automobile, the second bolt connected with the top plate is fixed at the top of the automobile, and the third bolt connected with the bottom plate is fixed on the chassis of the automobile;

(3) through being provided with the fixing base, the enhancement post, shell fragment and buffering filler, during the use, constitute double-deck structure between preceding lid and the fixing base, the structural strength of preceding lid has been increased, and there is the multiunit enhancement post at the internal connection of fixing base, the enhancement post is H shape, the structure is firm, the compressive resistance of structure has been improved, and it has the buffering filler to fill between the enhancement post, when receiving the collision, make the bumper can bear the impact in each position, and be connected with the shell fragment in the inside corner of fixing base, weak department has been protected effectively, the service efficiency of structure has been improved.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is a schematic side view of the front beam of the present invention;

fig. 3 is a schematic view of a front cover body front view partial section structure of the present invention;

fig. 4 is a schematic side view of the connecting sleeve block of the present invention.

In the figure: 1. a fixed structure; 101. a first bolt; 102. a second bolt; 103. a top plate; 104. a base plate; 105. a third bolt; 2. a support arm; 3. a limiting rod; 4. a front cover body; 5. a reinforcing structure; 501. a fixed seat; 502. a reinforcement column; 503. a spring plate; 504. buffering the filler; 6. a limiting column; 7. a limiting spring; 8. a buffer spring; 9. a mounting seat; 10. connecting the sleeve blocks; 11. a hinged lever; 12. a front beam.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1: referring to fig. 1-4, an impact-resistant bumper for an automobile includes a support arm 2, a front cover 4 fixedly connected to a top end of the support arm 2, a reinforcing structure 5 disposed inside the front cover 4, a front beam 12 fixedly connected to a bottom end of the support arm 2, a fixing structure 1 disposed at a bottom end of the support arm 2, and an impact-resistant structure disposed between the front cover 4 and the front beam 12;

referring to fig. 1-4, an impact-resistant automobile bumper further comprises an impact-resistant structure, the impact-resistant structure comprises a limiting rod 3, the limiting rod 3 is provided with two groups and fixedly connected to one side and the other side of the bottom end of a front cover body 4 respectively, the bottom end of the limiting rod 3 is fixedly connected with a buffer spring 8, the outside of the buffer spring 8 is fixedly connected with a mounting seat 9, the mounting seat 9 is fixedly connected to two sides of the top end of a front beam 12, a limiting column 6 is fixedly connected between the limiting rod 3 and the mounting seat 9 respectively, a hinge rod 11 is movably hinged between the limiting columns 6, two sides of the hinge rod 11 are movably sleeved outside the limiting column 6, two sides of the hinge rod 11 are fixedly connected with a connecting sleeve block 10, the other side of the connecting sleeve block 10 is fixedly connected with a limiting spring 7, the limiting springs 7 are provided with four groups and have the same elastic coefficient, and the other sides of the limiting springs;

specifically, as shown in fig. 1 and 4, when the front cover 4 receives external impact force, the limiting rod 3 is stressed to be extruded to the mounting seat 9, the buffer spring 8 is connected to the bottom of the limiting rod 3, so that the buffering effect is achieved, and meanwhile, when the limiting rod 3 is extruded to the mounting seat 9, the hinge rod 11 connected between the limiting columns 6 is inwards close to the mounting seat, so that the buffering and limiting effect is achieved under the effect of the limiting spring 7, the structure is stable, and the buffering impact resistance of the bumper is improved.

Example 2: the fixed structure 1 consists of a first bolt 101, a second bolt 102, a top plate 103, a bottom plate 104 and a third bolt 105, the first bolt 101 is arranged in the supporting arm 2, the first bolts 101 are arranged in two groups and are symmetrically distributed about the vertical center line of the front beam 12, the top plate 103 is fixedly connected to the top end of the front beam 12, the second bolt 102 is arranged on one side of the top end of the top plate 103, the bottom plate 104 is fixedly connected to the bottom end of the front beam 12, and the third bolt 105 is arranged on one side of the bottom end of the bottom plate 104;

specifically, as shown in fig. 1 and 2, a first bolt 101 is fixed on two sides of the front end of the automobile, a second bolt 102 connected with a top plate 103 is fixed on the top of the automobile, a third bolt 105 connected with a bottom plate 104 is fixed on the chassis of the automobile, and the first bolt 101, the second bolt 102 and the third bolt 105 are high-strength bolts, so that the stability of installation is ensured, the structure is convenient, and the maintenance and replacement of the bolts are convenient in time.

Example 3: the reinforcing structure 5 is composed of a fixed seat 501, reinforcing columns 502, elastic pieces 503 and buffer fillers 504, wherein the fixed seat 501 is fixedly connected inside the front cover body 4, the reinforcing columns 502 are fixedly connected inside the fixed seat 501, the reinforcing columns 502 are H-shaped, the reinforcing columns 502 are provided with a plurality of groups and are arranged in the fixed seat 501 at equal intervals, the elastic pieces 503 are fixedly connected at the corners inside the fixed seat 501, and the buffer fillers 504 are filled between the reinforcing columns 502;

specifically, as shown in fig. 1 and 3, a double-layer structure is formed between the front cover 4 and the fixing seat 501, the structural strength of the front cover 4 is increased, multiple groups of reinforcing columns 502 are connected to the inside of the fixing seat 501, the reinforcing columns 502 are in an H shape, the structure is stable, the pressure resistance of the structure is improved, and buffer fillers 504 are filled between the reinforcing columns 502, when collision occurs, the bumper can bear impact in all directions, and the elastic sheets 503 are connected to the corners inside the fixing seat 501, so that weak points are effectively protected, and the use efficiency of the structure is improved.

The working principle is as follows: the utility model discloses when using, at first, when preceding lid 4 received external impact force, 3 atress of gag lever post were to mount pad 9 department extrudees, buffer spring 8 is being connected to the bottom of gag lever post 3, the effect of buffering has been played, simultaneously when gag lever post 3 was to mount pad 9 department extrusion, the hinge bar 11 of connecting between the spacing post 6 was inwards close to, played the spacing effect of buffering under the effect of spacing spring 7, stable in structure has improved the buffering impact resistance of bumper.

Afterwards, fix first bolt 101 in the both sides of car front end, fix the second bolt 102 that roof 103 department is connected at the top of car, fix the third bolt 105 that bottom plate 104 department is connected at the vehicle chassis, first bolt 101, second bolt 102 and third bolt 105 are high strength bolts, have guaranteed the stability of installation, and the structure is convenient, is convenient for in time maintain and change it.

Finally, constitute double-deck structure between preceding lid 4 and the fixing base 501, the structural strength of preceding lid 4 has been increased, and there is multiunit enhancement post 502 at the internal connection of fixing base 501, the enhancement post 502 is the H shape, the structure is firm, the compressive resistance of structure has been improved, and pack between the enhancement post 502 and have the buffering filler 504, when receiving the collision, make the bumper can bear the impact in each position, and be connected with shell fragment 503 in the inside corner of fixing base 501, weak department has been protected effectively, the availability factor of structure has been improved.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. An impact-resistant vehicle bumper comprising a support arm (2), characterized in that: the top end of each supporting arm (2) is fixedly connected with a front cover body (4), a reinforcing structure (5) is arranged inside each front cover body (4), a front beam (12) is fixedly connected to the bottom end between the supporting arms (2), a fixing structure (1) is arranged at the bottom end of each supporting arm (2), and an impact-resistant structure is arranged between each front cover body (4) and the corresponding front beam (12);

the impact-resistant structure comprises a limiting rod (3), the limiting rod (3) is provided with two groups and is fixedly connected with one side and the other side of the bottom end of a front cover body (4) respectively, the bottom fixedly connected with buffer springs (8) of the limiting rod (3), the external fixedly connected with mounting seats (9) of the buffer springs (8), the mounting seats (9) are fixedly connected with the two sides of the top end of a front beam (12), limiting columns (6) are fixedly connected with the limiting rods (3) and the mounting seats (9) respectively, hinged rods (11) are movably hinged between the limiting columns (6), the two sides of the hinged rods (11) are movably sleeved on the external parts of the limiting columns (6), two sides of the hinged rods (11) are fixedly connected with connecting sleeve blocks (10), the other sides of the connecting sleeve blocks (10) are fixedly connected with limiting springs (7), the other sides of the limiting springs (7) are fixedly connected with one sides of the limiting rod (3) and the mounting seats (9) respectively And (4) connecting.

2. An impact-resistant automotive bumper according to claim 1, wherein: the limiting springs (7) are provided with four groups and have the same elastic coefficient.

3. An impact-resistant automotive bumper according to claim 1, wherein: fixed knot constructs (1) by first bolt (101), second bolt (102), roof (103), bottom plate (104) and third bolt (105) are constituteed, the inside of support arm (2) is provided with first bolt (101), roof (103) fixed connection is on the top of front-axle beam (12), one side on roof (103) top is provided with second bolt (102), bottom plate (104) fixed connection is in the bottom of front-axle beam (12), one side of bottom plate (104) bottom is provided with third bolt (105).

4. An impact-resistant automotive bumper according to claim 3, characterized in that: the first bolts (101) are arranged in two groups and are symmetrically distributed around the vertical center line of the front beam (12).

5. An impact-resistant automotive bumper according to claim 1, wherein: the reinforcing structure (5) is composed of a fixed seat (501), reinforcing columns (502), an elastic sheet (503) and a buffer filler (504), the fixed seat (501) is fixedly connected inside the front cover body (4), the reinforcing columns (502) are fixedly connected inside the fixed seat (501), the elastic sheet (503) is fixedly connected at the corners inside the fixed seat (501), and the buffer filler (504) is filled between the reinforcing columns (502).

6. An impact-resistant automotive bumper according to claim 5, wherein: the reinforcing columns (502) are H-shaped, and multiple groups of reinforcing columns (502) are arranged in the fixed seat (501) at equal intervals.