CN212766083U

CN212766083U - Multiple protection high security car bumper

Info

Publication number: CN212766083U
Application number: CN202021532328.5U
Authority: CN
Inventors: 李俊才
Original assignee: Hunan Vocational College of Electronic and Technology
Current assignee: Hunan Vocational College of Electronic and Technology
Priority date: 2020-07-29
Filing date: 2020-07-29
Publication date: 2021-03-23
Anticipated expiration: 2030-07-29

Abstract

The utility model provides a multiple protection high security car bumper, includes the horizontally locating plate, locating plate top surface fixed mounting bilateral symmetry's vertical dead lever, and same root horizontally locating lever is connected on two dead lever tops, and locating lever bottom surface and the equal fixed connection of dead lever top surface set up the horizontally pole body above the locating lever, and the through-hole is seted up at locating lever top surface middle part, and the first rectangular block of the corresponding through-hole department fixed mounting of pole body bottom surface, first rectangular block bottom surface installation elasticity telescopic link. This device simple structure can realize the secondary buffering, has guaranteed the reliability of buffering effect and the variety of buffering mode, can satisfy the user to the demand of shock attenuation buffering, and can reduce the part through the secondary buffering and damage because of atress suddenly, reduce the follow-up maintenance cost to auto parts of user.

Description

Multiple protection high security car bumper

Technical Field

The utility model belongs to the technical field of the car bumper, specifically speaking is a high security car bumper of multiple protection.

Background

The automobile bumper is a safety device for absorbing and relaxing external impact force and protecting the front part and the rear part of an automobile body, the existing automobile bumper cannot play an effective buffering role when the automobile collides, the protection effect is limited, the requirement of a user for damping and buffering cannot be met, and therefore the existing problem needs to be solved by designing the automobile bumper with multiple protection and high safety.

SUMMERY OF THE UTILITY MODEL

The utility model provides a high security car bumper of multiple protection for solve the defect among the prior art.

The utility model discloses a following technical scheme realizes:

a multi-protection high-safety automobile bumper comprises a horizontal positioning plate, wherein vertical fixing rods which are bilaterally symmetrical are fixedly arranged on the top surface of the positioning plate, the top ends of the two fixing rods are connected with the same horizontal positioning rod, the bottom surface of the positioning rod is fixedly connected with the top surface of the fixing rod, a horizontal rod body is arranged above the positioning rod, a through hole is formed in the middle of the top surface of the positioning rod, a first rectangular block is fixedly arranged at the bottom surface of the rod body corresponding to the through hole, an elastic telescopic rod is arranged on the bottom surface of the first rectangular block, the top end of a movable rod of the elastic telescopic rod is hinged with the first rectangular block, the bottom end of the fixing rod of the elastic telescopic rod penetrates through the through hole, blind holes are formed in the left side surface and the right side surface of the part of the elastic telescopic rod, a gap is formed, install first spring between the side of L type pole and the recess side that corresponds, the horizontal pole outer end and the blind hole cooperation that corresponds of L type pole are pegged graft, first spring both ends and the equal fixed connection of montant and the recess of L type pole, the first slider of locating lever side bilateral symmetry suit, first slider is located the horizontal pole top of the L type pole that corresponds, first slider and locating lever sliding connection, first rectangular block side is articulated through first connecting rod with the first slider that corresponds, pass through second spring coupling between two first sliders, second spring both ends and the first slider side fixed connection that corresponds, the dead lever lower extreme fixed mounting second rectangular block of elasticity telescopic link, install the third spring between locating plate and the second rectangular block, third spring top and second rectangular block fixed connection, the third spring lower extreme is connected with the locating plate.

According to the multiple-protection high-safety automobile bumper, the buffering flame-retardant pad is fixedly mounted on the top surface of the bumper body.

As above, the bar body bottom surface is fixedly provided with the third rectangular blocks which are bilaterally symmetrical, the side surfaces of the positioning rods are slidably connected with the second sliding blocks which are bilaterally symmetrical, the second sliding blocks are located on the inner sides of the third rectangular blocks on the same side, the side surfaces of the second sliding blocks and the corresponding side surfaces of the fixing rods are provided with the fourth springs, the two ends of each fourth spring are fixedly connected with the fixing rods and the second sliding blocks respectively, and the bottom surfaces of the third rectangular blocks are hinged to the side surfaces of the second sliding blocks on the same side through the second connecting rods.

According to the multi-protection high-safety automobile bumper, the second sliding block is still located at the outer end of the side face of the groove when sliding to the limit position along the middle part of the positioning rod.

According to the multiple-protection high-safety automobile bumper, the guide rail is fixedly installed on the top surface of the positioning plate, the guide rail is connected with the two third slide blocks in bilateral symmetry in a sliding mode, the third connecting rod is hinged between the side face of the second rectangular block and the third slide block on the same side, the bottom end of the third spring is fixedly connected with the top surface of the guide rail, the fifth spring is installed between the two third slide blocks, and the two ends of the fifth spring are fixedly connected with the side faces of the corresponding third slide blocks.

The utility model has the advantages that: when the novel automobile buffering device works, a positioning plate is fixed on an automobile body through screws or bolts by a user, when collision occurs, the lever body moves towards the positioning plate, the lever body drives the first rectangular block to move downwards to enable the movable rod of the elastic telescopic rod to contract, and because the front end of the transverse plate of the corresponding L-shaped plate is supported by the first spring in a natural state at the moment and is inserted into the corresponding blind hole, the fixed rod of the elastic telescopic rod cannot move downwards, the first connecting rod hinged with the first rectangular block pushes the corresponding first sliding block to move along the two ends of the positioning rod, and simultaneously, the second spring is lengthened due to the mutual separation of the two first sliding blocks, the novel automobile buffering device completes the buffering effect of the first stage, when the elastic telescopic rod is continuously compressed, the side surface of the first sliding block is in contact with the side surface of the vertical rod of the corresponding L-shaped rod, the side surface of the L-shaped rod compresses the corresponding first spring, and the outer, the fixed rod of the elastic telescopic rod moves downwards, the elastic telescopic rod pushes the second rectangular block to move downwards, and the third spring is compressed, so that secondary buffering is realized; this novel simple structure can realize the secondary buffering, has guaranteed the reliability of buffering effect and the variety of buffering mode, can satisfy the user to the demand of shock attenuation buffering, and can reduce the part through the secondary buffering and damage because of atress suddenly, reduce the follow-up maintenance cost to auto parts of user.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

Fig. 1 is a schematic structural diagram of the present invention; fig. 2 is a partially enlarged view of a portion i of fig. 1.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

A multi-protection high-safety automobile bumper comprises a horizontal positioning plate 1, wherein vertical fixing rods 2 which are bilaterally symmetrical are fixedly arranged on the top surface of the positioning plate 1, the top ends of the two fixing rods 2 are connected with a same horizontal positioning rod 3, the bottom surfaces of the positioning rods 3 are fixedly connected with the top surfaces of the fixing rods 2, a horizontal rod body 4 is arranged above the positioning rod 3, a through hole 5 is formed in the middle of the top surface of the positioning rod 3, a first rectangular block 6 is fixedly arranged at the position, corresponding to the through hole 5, of the bottom surface of the rod body 4, an elastic telescopic rod 7 is arranged on the bottom surface of the first rectangular block 6, the top end of a movable rod of the elastic telescopic rod 7 is hinged with the first rectangular block 6, the bottom end of the fixing rod of the elastic telescopic rod 7 penetrates through the through hole 5, blind holes 8 are formed in the left side surface, two L-shaped rods 10 are symmetrically arranged in the groove 9 in a left-right mode, the top surface of a vertical rod of each L-shaped rod 10 is positioned above the top surface of the positioning rod 3, a first spring 11 is arranged between the side surface of each L-shaped rod 10 and the corresponding side surface of the groove 9, the outer end of a transverse rod of each L-shaped rod 10 is matched with the corresponding blind hole 8 in an inserting mode, two ends of each first spring 11 are fixedly connected with the vertical rod of each L-shaped rod 10 and the corresponding groove 9, first sliding blocks 12 are symmetrically sleeved on the side surface of each positioning rod 3 in a left-right mode, the first sliding blocks 12 are positioned above the transverse rod of the corresponding L-shaped rod 10, the first sliding blocks 12 are connected with the positioning rods 3 in a sliding mode, the side surfaces of the first rectangular blocks 6 are hinged to the corresponding first sliding blocks 12 through first connecting rods 13, the two first sliding blocks 12 are connected through second springs 14, two ends of the second springs 14 are fixedly connected with the corresponding side surfaces of the first sliding blocks 12, the top end of the third spring 16 is fixedly connected with the second rectangular block 15, and the lower end of the third spring 16 is connected with the positioning plate 1. When the novel automobile bumper works, a user fixes a positioning plate 1 on an automobile body through screws or bolts, when collision happens, a lever body 4 moves towards the positioning plate 1, the lever body 4 drives a first rectangular block 6 to move downwards to enable a movable rod of an elastic telescopic rod 7 to contract, because the front end of a transverse plate of a corresponding L-shaped plate 10 is supported by a first spring 11 in a natural state at the moment and is inserted into a corresponding blind hole 8, a fixed rod of the elastic telescopic rod 7 cannot move downwards, at the moment, a first connecting rod 13 hinged with the first rectangular block 6 pushes corresponding first sliding blocks 12 to move along two ends of the positioning rod 3, and simultaneously, because the two first sliding blocks 12 are mutually far away, a second spring 14 is elongated, the novel automobile bumper finishes the buffer action in the first stage, when the elastic telescopic rod 7 is continuously compressed, the side surfaces of the first sliding blocks 12 are contacted with the side surfaces of vertical rods of the corresponding L-shaped rods 10, and the side surfaces of the corresponding L-shaped rods 10 compress, the outer end of the transverse plate of the L-shaped rod 10 is withdrawn from the corresponding blind hole 8, the fixing rod of the elastic telescopic rod 7 moves downwards, the elastic telescopic rod 7 pushes the second rectangular block 15 to move downwards, and the third spring 16 is compressed, so that secondary buffering is realized; this novel simple structure can realize the secondary buffering, has guaranteed the reliability of buffering effect and the variety of buffering mode, can satisfy the user to the demand of shock attenuation buffering, and can reduce the part through the secondary buffering and damage because of atress suddenly, reduce the follow-up maintenance cost to auto parts of user.

Specifically, as shown in the figure, a buffer flame-retardant pad 17 is fixedly mounted on the top surface of the lever body 4 according to the embodiment. This design is guaranteed when bumping, through the fire-retardant pad 17 realization first cushioning effect of buffering, avoids causing direct striking to thick stick body 4, guarantees simultaneously that the car can not cause the conflagration because of the friction and explode even, effectively alleviates car and user's damage.

Specifically, as shown in the figure, a third rectangular block 18 with bilateral symmetry is fixedly installed on the bottom surface of the lever body 4 in the embodiment, a second slider 19 with bilateral symmetry is slidably connected to the side surface of the positioning lever 3, the second slider 19 is located inside the third rectangular block 18 with the same side, a fourth spring 20 is installed between the side surface of the second slider 19 and the corresponding side surface of the fixing lever 2, two ends of the fourth spring 20 are respectively fixedly connected with the fixing lever 2 and the second slider 19, and the bottom surface of the third rectangular block 18 is hinged to the side surface of the second slider 19 with the same side through a second connecting rod 21. This design guarantees that when the bar body 4 received the side direction striking, third rectangular block 18 moves down, makes second slider 19 remove along 3 middle parts of locating lever through the effect of second connecting rod 21, and fourth spring 20 is elongated simultaneously, plays the effect of buffering to bar body 4, avoids bar body 4 side to receive direct striking and causes the damage to car and user.

Further, as shown in the figure, the second sliding block 19 of the present embodiment is still located at the outer end of the side surface of the groove 9 when sliding along the middle of the positioning rod 3 to the limit position. This design guarantees that when the bar body 4 receives side direction and forward collision simultaneously, when second slider 19 slides to 3 middle parts of locating lever, can not influence L type pole 10 and move to the recess 9 side that corresponds to avoid appearing the unable condition of withdrawing from blind hole 8 of horizontal pole front end of L type pole 10, ensure that the device can normal operating.

Furthermore, as shown in the figure, a guide rail 22 is fixedly installed on the top surface of the positioning plate 1 according to the embodiment, two bilaterally symmetrical third sliders 23 are slidably connected to the guide rail 22, a third connecting rod 24 is hinged between the side surface of the second rectangular block 15 and the third slider 23 on the same side, the bottom end of the third spring 16 is fixedly connected to the top surface of the guide rail 22, a fifth spring 25 is installed between the two third sliders 23, and two ends of the fifth spring 25 are fixedly connected to the corresponding side surfaces of the third sliders 23. This design guarantees that when the dead lever of elasticity telescopic link 7 moves down, drives second rectangular block 15 and moves down together, because third connecting rod 24 with second rectangular block 15 articulated promotes corresponding third slider 23 and slides on guide rail 22, two third sliders 23 keep away from each other, therefore third spring 16 is compressed, and fifth spring 25 is elongated, can play the effect of buffering to the device, can alleviate the damage that car and user received.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a high security car bumper of multiple protection which characterized in that: comprises a horizontal positioning plate (1), wherein vertical fixing rods (2) which are bilaterally symmetrical are fixedly arranged on the top surface of the positioning plate (1), the top ends of the two fixing rods (2) are connected with the same horizontal positioning rod (3), the bottom surfaces of the positioning rods (3) are fixedly connected with the top surfaces of the fixing rods (2), a horizontal rod body (4) is arranged above the positioning rods (3), a through hole (5) is formed in the middle of the top surface of each positioning rod (3), a first rectangular block (6) is fixedly arranged on the bottom surface of each rod body (4) corresponding to the through hole (5), an elastic telescopic rod (7) is arranged on the bottom surface of each first rectangular block (6), the top end of a movable rod of each elastic telescopic rod (7) is hinged with the corresponding first rectangular block (6), the bottom end of each fixing rod of each elastic telescopic rod (7) penetrates through the through hole (5), blind holes (8) are formed in the left side surface and, the top surface of the positioning rod (3) is provided with a groove (9), two L-shaped rods (10) are symmetrically arranged in the groove (9) in the left-right direction, the top surfaces of vertical rods of the L-shaped rods (10) are positioned above the top surface of the positioning rod (3), a first spring (11) is arranged between the side surface of each L-shaped rod (10) and the corresponding side surface of the corresponding groove (9), the outer end of a transverse rod of each L-shaped rod (10) is in inserting fit with the corresponding blind hole (8), the two ends of each first spring (11) are fixedly connected with the vertical rods of the L-shaped rods (10) and the corresponding groove (9), first sliding blocks (12) are symmetrically sleeved on the side surfaces of the positioning rod (3) in the left-right direction, the first sliding blocks (12) are positioned above the transverse rod of the corresponding L-shaped rod (10), the first sliding blocks (12) are slidably connected with the positioning rod (3), the side surfaces of the first rectangular blocks (6) are hinged with the corresponding first sliding blocks (, two ends of the second spring (14) are fixedly connected with the side faces of the corresponding first sliding blocks (12), the lower end of a fixing rod of the elastic telescopic rod (7) is fixedly provided with a second rectangular block (15), a third spring (16) is arranged between the positioning plate (1) and the second rectangular block (15), the top end of the third spring (16) is fixedly connected with the second rectangular block (15), and the lower end of the third spring (16) is connected with the positioning plate (1).

2. The multiple-protection high-safety automobile bumper as claimed in claim 1, wherein: the top surface of the bar body (4) is fixedly provided with a buffering flame-retardant pad (17).

3. The multiple-protection high-safety automobile bumper as claimed in claim 1, wherein: the bar body (4) bottom surface fixed mounting bilateral symmetry's third rectangular block (18), locating lever (3) side sliding connection bilateral symmetry's second slider (19), second slider (19) are located third rectangular block (18) inboard of homonymy, install fourth spring (20) between second slider (19) side and the dead lever (2) side that corresponds, fourth spring (20) both ends respectively with dead lever (2) and second slider (19) fixed connection, third rectangular block (18) bottom surface is articulated through second connecting rod (21) with second slider (19) side of homonymy.

4. The multiple-protection high-safety automobile bumper as claimed in claim 3, wherein: the second sliding block (19) is still positioned at the outer end of the side surface of the groove (9) when sliding to the limit position along the middle part of the positioning rod (3).

5. The multiple-protection high-safety automobile bumper as claimed in claim 1, wherein: locating plate (1) top surface fixed mounting guide rail (22), sliding connection two bilateral symmetry's third slider (23) on guide rail (22), articulated third connecting rod (24) between third slider (23) of second rectangular block (15) side and homonymy, third spring (16) bottom and guide rail (22) top surface fixed connection, install fifth spring (25) between two third sliders (23), fifth spring (25) both ends and the third slider (23) side fixed connection that corresponds.