CN217048529U

CN217048529U - Automobile bumper with good anti-collision performance

Info

Publication number: CN217048529U
Application number: CN202121011475.2U
Authority: CN
Inventors: 陈飞; 高冉
Original assignee: Beijing Beiqi Mould and Plastic Technology Co Ltd
Current assignee: Beijing Beiqi Mould and Plastic Technology Co Ltd
Priority date: 2021-05-12
Filing date: 2021-05-12
Publication date: 2022-07-26
Anticipated expiration: 2031-05-12

Abstract

The utility model provides a good car bumper of anticollision performance, includes body, fixed knot structure and buffer structure, this internal reinforcing wire that is equipped with, and fixed knot constructs including fixed plate and carriage, and buffer structure includes piston, backup pad, connecting block, spring, locating lever. The utility model can form a sealed space between the piston and the fixed plate in the support frame through the matching of the buffer structure and the fixed structure, thereby realizing the supporting and buffering effects on the piston through the sealing gas in the sealed space, and having obvious damping and buffering effects; and through set up the spring between connecting block and body, and the spring is acceptd in the recess, and the one end of locating lever is acceptd in the recess and with the tip fixed connection of spring simultaneously to can play secondary shock attenuation cushioning effect to the body, the shock attenuation buffering effect is ideal.

Description

Automobile bumper with good anti-collision performance

Technical Field

The utility model belongs to the technical field of the car bumper technique and specifically relates to a car bumper that anticollision excellent performance is related to.

Background

With the development of the automobile industry and the improvement of the living standard of people, automobiles gradually enter common families, and the convenience is brought to the lives of people. The existing automobile is generally provided with a bumper at the front end of the automobile so as to protect a driver and passengers and realize the buffering effect when a collision accident occurs, the existing bumper is usually made of plastic, the damping and buffering effects are poor, the anti-collision performance is poor, and the existing safety requirements cannot be met.

Therefore, there is a need to provide a new technical solution to overcome the above-mentioned drawbacks.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can effectively solve above-mentioned technical problem's crashproof excellent performance's car bumper.

In order to achieve the purpose of the utility model, the following technical proposal is adopted:

the utility model provides a good car bumper of anticollision performance, includes the body, set up in the fixed knot at body rear constructs and set up in the body with buffer structure between the fixed knot constructs, this internal reinforcing wire that is equipped with, fixed knot constructs including the fixed plate and is fixed in carriage on the fixed plate front surface, buffer structure include mobilizable set up in piston in the carriage, be fixed in the backup pad in piston the place ahead, be fixed in the connecting block in backup pad the place ahead, set up in spring, one end in the connecting block with body fixed connection and the other end with spring fixed connection's locating lever.

Preferably, the fixing plate seals a rear end opening of the support frame.

Preferably, the supporting plate is accommodated in the supporting frame and is in sliding connection with the inner surface of the supporting frame.

Preferably, the front surface of connecting block is equipped with the recess, the spring accept in the recess, the one end of spring with the internal surface fixed connection of recess, the locating lever is kept away from the one end of body accept in the recess and rather than internal surface sliding connection.

Preferably, the buffer structure further comprises fixing rods fixed on the left side and the right side of the connecting block and rollers rotatably arranged at one ends, far away from the connecting block, of the fixing rods, and the rollers abut against the inner surface of the supporting frame.

Preferably, the body is injection moulded onto the reinforcing wire.

Preferably, the good car bumper of crashproof performance still including set up in the slider structure of connecting block left and right sides.

Preferably, the sliding block structure comprises a first connecting rod, one end of the first connecting rod is fixed on the side face of the connecting block, a rotating rod, one end of the rotating rod is rotatably arranged at the other end of the first connecting rod, one end of the second connecting rod is rotatably arranged at the other end of the rotating rod, a sliding block fixedly connected with the other end of the second connecting rod and a sliding rail fixed on the rear surface of the body, and the sliding block is movably arranged on the sliding rail.

Preferably, the fixing plate is provided with a mounting hole.

Preferably, the reinforcing wire is a metal wire.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses car bumper that anticollision performance is good passes through the cooperation of buffer structure and fixed knot to construct, can be in the carriage on the one hand and be in and form sealed space between piston and the fixed plate to realize the support and the cushioning effect to the piston through the sealed gas in the sealed space, the shock attenuation buffering effect is showing; the spring is arranged between the connecting block and the body, the spring is accommodated in the groove, and one end of the positioning rod is accommodated in the groove and fixedly connected with the end part of the spring, so that the body can be subjected to a secondary damping and buffering effect, and the damping and buffering effect is ideal; the reinforcing wires are arranged in the body, so that the strength of the body is greatly enhanced, and the body is prevented from being broken during collision, so that the damping and buffering can be smoothly carried out; and set up the slider structure in the left and right sides of connecting block to can play the supporting role to the connecting block, and cooperation spring and locating lever, make connecting block and body not only can relative movement shock attenuation buffering effectual, and can make its smooth removal, prevent to take place crooked etc..

Drawings

FIG. 1 is a front view of a bumper with good anti-collision performance;

FIG. 2 is a cross-sectional view of the bumper shown in FIG. 1;

fig. 3 is a front view of the mounting plate of the bumper shown in fig. 2.

Detailed Description

The following will make a clear and complete description of the bumper with good anti-collision performance according to the present invention with reference to the accompanying drawings.

As shown in fig. 1 to fig. 3, the utility model discloses good crashproof ability's car bumper include body 1, set up in the fixed knot of body 1 rear end constructs 2, set up in fixed knot construct 2 with buffer structure 3 between the body 1, set up in the slider structure 4 of the 3 left and right sides of buffer structure.

As shown in fig. 1 and 2, the body 1 is a bumper commonly installed at the front end of an automobile on the market, the body 1 may also be a bumper installed at the rear end of an automobile, and no specific limitation is made herein, further, a plurality of reinforcing wires 11 are arranged in the body 1, the reinforcing wires 11 are arranged in the body 1 and are uniformly distributed in the body 1, preferably, the reinforcing wires 11 are arranged in parallel or in an intersecting manner, so as to reinforce the strength of the body 1, preferably, the reinforcing wires 11 are metal wires, such as iron wires or copper wires, and the specific materials of the reinforcing wires 11 can be set as required, and further, the body 1 is injection molded on the reinforcing wires 11, so that the body 1 and the reinforcing wires 11 are stably fixed together.

As shown in fig. 2 and 3, the fixing structure 2 includes a fixing plate 21 and a supporting frame 22 disposed between the fixing plate 21 and the main body 1. The fixed plate 21 can be the cuboid, also can be the cylinder, in this embodiment, the fixed plate 21 is the cuboid, and is further, the fixed plate 21 is used for being fixed in on the car, so that will the utility model discloses on the installation was fixed in the car, it is further, be equipped with a plurality of mounting holes 211 that are located its edge on the fixed plate 21, mounting hole 211 runs through the front and back surface of fixed plate 21 facilitates the installation to the car on, when the fixed plate 21 is the cuboid form, the mounting hole 211 is preferred to be equipped with four and to be located four angle departments of fixed plate 21. The front surface and the rear surface of the support frame 22 are communicated, the rear surface of the support frame 22 is fixedly connected with the front surface of the fixing plate 21, the fixing plate 21 can seal the rear end opening of the support frame 22, preferably, the support frame 22 can be a cuboid, a cylinder or other geometric shapes, and the specific geometric shape of the support frame 22 can be set as required, so that the details are not repeated herein.

As shown in fig. 2, the buffer structure 3 includes a piston 31, a supporting plate 32 disposed on one side of the piston 31 close to the body 1, a connecting block 33 disposed on one side of the supporting plate 32 close to the body 1, a spring 34 disposed in the connecting block 33, a positioning rod 35 disposed between the connecting block 33 and the body 1, fixing rods 36 disposed on the left and right sides of the connecting block 33, and a roller 37 rotatably disposed on one end of the fixing rod 36 far from the connecting block 33. The piston 31 is accommodated in the supporting frame 22 and slidably connected to the inner surface thereof, so that the piston 31 can form a sealed environment between the front and rear surfaces of the supporting frame 22 and the fixing plate 21, so as to support and cushion the piston 31. The surface of the support plate 32 away from the body is fixedly connected with the piston 31, and the side surface of the support plate 32 is slidably connected with the inner surface of the support frame 22, so that the support plate 32 and the piston 31 can stably move back and forth in the support frame 22. One end of the connecting block 33 is contained in the supporting frame 22 and close to the supporting plate 32 to be fixedly connected with the surface of the body 1, a certain distance exists between the side surface of the connecting block 33 and the inner surface of the supporting frame 22, and a groove 331 is formed in the surface of the body 1, close to the connecting block 33. The spring 34 is accommodated in the recess 331, and one end of the spring 34 is fixedly connected with the inner surface of the recess 331. One end of the positioning rod 35 is fixedly connected with the body 1, the other end of the positioning rod 35 is accommodated in the groove 331 and is in sliding connection with the inner surface of the groove 331, so that the connecting block 33 can stably move back and forth on the positioning rod 35 to play a role in positioning and limiting the movement of the connecting block 33, and the other end of the spring 34 is fixedly connected with the other end of the positioning rod 35 to play a supporting role in supporting the same and be beneficial to realizing the resetting of the positioning rod 35 and the body 1. The two fixing rods 36 are preferably arranged at the left and right sides of the connecting block 33, respectively, one end of each fixing rod 36 is fixedly connected with the side surface of the connecting block 33, the other end of each fixing rod 36 is pivotally connected with the roller 37, so that the roller 37 can rotate at the other end of the fixing rod 36, and the roller 37 abuts against the inner surface of the supporting frame 22 and can roll on the inner surface of the supporting frame 22, so that the connecting block 33, the supporting plate 32 and the piston 31 can stably move back and forth in the supporting frame 22.

Buffer structure 3 is through in carriage 22 and form sealed space between piston 31 and the fixed plate 21, and then can play the supporting role to piston 31, when making body 1 extruded, locating lever 35 extrudees spring 34, make spring 34 play the buffering cushioning effect of first order, then compressed spring 34 promotes connecting block 33, make backup pad 32 and piston 31 remove towards fixed plate 21, make the sealed gas between piston 31 and the fixed plate 21 extruded, on the one hand can play the effect of shock attenuation buffering to piston 31 and body 1, the buffering cushioning effect of second order promptly, on the other hand can prevent that it from excessive moving towards fixed plate 21 direction, it is obvious to its protection effect, and can play the two-stage shock attenuation cushioning effect.

As shown in fig. 2, two slider structures 4 are preferably disposed and located at the left and right sides of the connecting block 33, and each slider structure 4 includes a first connecting rod 41, a rotating rod 42 disposed at one end of the connecting rod 41, a second connecting rod 43 disposed at the other end of the rotating rod 42, a sliding rail 44 fixed on the body 1, and a slider 45 movably disposed on the sliding rail 44. One end of the first connecting rod 41 is fixedly connected to a side surface of the connecting block 33, and preferably, the first connecting rod 41 and the side surface of the connecting block 33 are perpendicular to each other. The other end of the first connecting rod 41 is pivotally connected to one end of the rotating lever 42 such that the rotating lever 42 can rotate about the other end of the first connecting rod 41. One end of the second connecting rod 43 is pivotally connected to the other end of the rotating lever 42 such that the other end of the rotating lever 42 can rotate about the end of the second connecting rod 43. The slide rail 44 is fixedly connected with the surface of the body 1 close to the connecting block 33. The sliding block 45 is movably disposed on the sliding rail 44, so that the sliding block 45 can move left and right along the sliding rail 44, and a connection relationship between the sliding block 45 and the sliding rail 44 belongs to the prior art, for example, a matching relationship between a groove and a bump, and the like, which is not described herein again, the other end of the second connecting rod 43 is fixedly connected with the sliding block 45, and preferably, the second connecting rod 43 and the sliding block 45 are perpendicular to each other.

The setting of slider structure 4 can play the supporting role to the both ends of connecting block 33, lie in make the back-and-forth movement that connecting block 33 can be stable under the complex condition of locating lever 35 for the shock attenuation buffering can go on more stably.

As shown in fig. 1 to 3, the utility model discloses when crashproof excellent performance's car bumper used, when the front surface of body 1 was strikeed, at first the setting of reinforcing wire 11 can play the effect of the intensity of reinforcing body 1, prevents it cracked to can its life of effectual extension. Then under the condition that the body 1 is not cracked, the body 1 moves backwards, the spring 34 is compressed, so that the first-stage damping and buffering effect is achieved, then the compressed spring 34 pushes the connecting block 33 backwards, so that the connecting block 33 drives the supporting plate 32 and the piston 31 to move backwards, the roller 37 is arranged to enable the connecting block 33 to move backwards smoothly and prevent clamping, then the sealing gas between the piston 31 and the fixing plate 21 is subjected to air pressure, on one hand, the piston 31 can be damped and buffered, so that the body 1 can be indirectly damped and buffered, namely, the second-stage damping and buffering effect is achieved, on the other hand, the piston 31 can be prevented from moving backwards excessively, and the body 1 is protected in a limited mode. The connecting block 33 drives the first connecting rod 41 to move towards the direction, the rotating rod 42 rotates to further drive the second connecting rod 43 and the sliding block 45 to move towards two sides, so that the two ends of the connecting block 33 can be supported and limited, and the connecting block 33 can stably move back and forth. After treating the striking elimination, the gaseous reconversion of compressed sealed for connecting block 33 moves forward, then spring 34 resets, makes locating lever 35 and body 1 move forward and reset, head rod 41, rotary rod 42, second connecting rod 43 relative rotation make slider 45 move and reset towards the centre, make the utility model discloses wholly reset. Therefore, the utility model discloses anticollision excellent performance's car bumper use description finishes.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a good car bumper of crashproof can, include the body, set up in the fixed knot at body rear constructs and set up in the body with buffer structure between the fixed knot constructs, its characterized in that: this internal reinforcing wire that is equipped with, fixed knot constructs including the fixed plate and is fixed in carriage on the fixed plate front surface, buffer structure include mobilizable set up in piston in the carriage, be fixed in the backup pad in piston the place ahead, be fixed in the connecting block in backup pad the place ahead, set up in spring, one end in the connecting block with body fixed connection and the other end with spring fixed connection's locating lever.

2. The good crashworthiness automobile bumper of claim 1, characterized in that: the fixing plate seals the rear end opening of the support frame.

3. The bumper for vehicles with excellent crashworthiness as claimed in claim 2, wherein: the supporting plate is contained in the supporting frame and is in sliding connection with the inner surface of the supporting frame.

4. The bumper for vehicles with excellent crashworthiness as claimed in claim 3, wherein: the front surface of connecting block is equipped with the recess, the spring accept in the recess, the one end of spring with the internal surface fixed connection of recess, the locating lever is kept away from the one end of body accept in the recess and rather than internal surface sliding connection.

5. The bumper for vehicles with excellent crashworthiness as claimed in claim 4, wherein: buffer structure is still including being fixed in the dead lever of the connecting block left and right sides and rotatable set up in the dead lever is kept away from the gyro wheel of connecting block one end, the gyro wheel top leans on the internal surface of carriage.

6. The good crashworthiness automobile bumper of claim 5, characterized in that: the body is injection molded on the reinforcing wire.

7. The good crashworthiness automobile bumper of claim 6, characterized by that: the good car bumper of crashproof can still including set up in the slider structure of the connecting block left and right sides.

8. The bumper for vehicles with excellent crashworthiness as claimed in claim 7, wherein: the slider structure includes that one end is fixed in head rod, the rotatable setting of one end on the connecting block side in the rotary rod of the head rod other end, the rotatable setting of one end in the second connecting rod of the rotary rod other end, with second connecting rod other end fixed connection's slider and be fixed in slide rail on the body rear surface, the mobilizable setting in of slider is in on the slide rail.

9. The bumper for vehicles with excellent crashworthiness as claimed in claim 8, wherein: and the fixing plate is provided with a mounting hole.

10. The good crashworthiness automobile bumper of claim 9, characterized in that: the reinforcing wires are metal wires.