CN219904279U - Rear bumper with buffer structure - Google Patents

Abstract

The utility model discloses a rear bumper with a buffer structure, which comprises a transverse buffer structure and a longitudinal buffer structure, wherein the transverse buffer structure comprises a mounting frame, a fixed shell, a supporting rolling ball and a fixed plate, the top of the mounting frame is fixedly connected with the fixed shell, a buffer assembly is arranged in the fixed shell, the top surface of the fixed shell is rotationally connected with the supporting rolling ball, and the supporting rolling ball is in sliding connection with the bottom surface of the fixed plate. The utility model can buffer the force impact force from the side by using the transverse buffer structure, reduce the deformation probability of the rear bumper, prolong the service life of the rear bumper, buffer the impact force from the front by using the longitudinal buffer structure, and improve the longitudinal buffer performance of the rear bumper by using a plurality of buffer components such as the third buffer spring, the second buffer air bag, the fifth buffer spring, the first buffer air bag and the like, so that the rear bumper has stronger buffer performance.

Description

Rear bumper with buffer structure

Technical Field

The utility model relates to a bumper, in particular to a rear bumper with a buffer structure.

Background

The rear bumper is a kind of bumper, and has the functions of protecting safety, decorating vehicle and improving aerodynamic characteristics of vehicle.

In patent document CN213676600U, a new energy SUV rear-end collision rear bumper buffer structure, it drives the fixed frame through setting up spout, slide and spring, impact the bumper body through external environment and extrudes the spring, thereby drive the slide and slide in the spout, the effect of the elasticity of spring can cushion the impact force, the safety of personnel in the car has been guaranteed, but only rely on the spring to realize buffer function and lead to the buffer performance of rear bumper relatively poor, can only cushion the impact force from the place ahead simultaneously, lack throughput to the impact force from the side, lead to the rear bumper to warp easily, and cause great damage to the impact body except for the rear bumper easily during the striking.

Disclosure of Invention

In order to solve the defect of the prior art, the transverse buffer structure is utilized to buffer the force impact force from the side, so that the problem that the rear bumper is difficult to buffer the transverse impact force is solved, the probability of deformation of the rear bumper is reduced, and the service life of the rear bumper is prolonged.

In order to solve the problems in the prior art, the longitudinal buffer structure is utilized to buffer the impact force from the front, and the longitudinal buffer performance of the rear bumper can be improved by utilizing a plurality of buffer components such as the third buffer spring, the second buffer air bag, the fifth buffer spring and the first buffer air bag, so that the problem of poor buffer performance of the rear bumper is solved, and the rear bumper has stronger buffer performance.

Further in order to solve the problem among the prior art, utilize the protection subassembly can protect the impact body that strikes rear bumper, prevent that the impact body from directly colliding with rear bumper direct rigidity, reduce the damage that the impact body received.

Further in order to solve the problem among the prior art, utilize alarm structure can report to the police when rear bumper receives vertical impact, warn the both sides that strike, avoid striking further aggravate.

The rear bumper with the buffer structure comprises a transverse buffer structure and a longitudinal buffer structure, wherein the transverse buffer structure comprises a mounting frame, a fixed shell, a supporting rolling ball and a fixed plate, the top of the mounting frame is fixedly connected with the fixed shell, a buffer assembly is arranged in the fixed shell, the top surface of the fixed shell is rotationally connected with the supporting rolling ball, and the supporting rolling ball is in sliding connection with the bottom surface of the fixed plate;

the vertical buffer structure is including installation casing, guard plate, spliced pole, connecting plate, first buffering gasbag and backup pad, the installation casing rigid coupling is in the fixed plate top, the installation casing outside is provided with the guard plate, the position between guard plate and the installation casing is provided with auxiliary assembly, the guard plate outside is provided with protection subassembly, the inboard rigid coupling of guard plate has the spliced pole, spliced pole bottom rigid coupling connecting plate, connecting plate bottom rigid coupling has first buffering gasbag, first buffering gasbag rigid coupling is in the backup pad top, the backup pad rigid coupling is in installation casing inner chamber lateral wall, installation casing inner chamber department is provided with alarm component.

Further, the fixed shell top surface rotates and is connected with a plurality of evenly distributed's support spin, two symmetric distribution's sliding tray has been seted up to the fixed plate bottom surface, support spin passes through sliding tray and fixed plate bottom surface sliding connection, the cross-section of guard plate becomes the type structure of falling U, guard plate inner wall rigid coupling has four spliced poles that are rectangular structure and distribute, four connecting holes that are rectangular structure and distribute have been seted up to the installation shell top surface, one end through connection hole that the guard plate was kept away from to the spliced pole extends to installation shell inner chamber department.

Further, the buffer assembly comprises a first fixed column, a first sliding plate and a first buffer spring, a plurality of first fixed columns are fixedly connected to the side wall of the inner cavity of the fixed shell, the first sliding plates are connected to the surfaces of the first fixed columns in a sliding mode, the first buffer springs are fixedly connected to the two sides of the first sliding plates respectively, a plurality of sliding holes are formed in the first sliding plates, the first fixed columns are connected with the first sliding plates in a penetrating mode through the sliding holes, and two ends, far away from the first sliding plates, of the first buffer springs are fixedly connected to the side wall of the inner cavity of the fixed shell respectively.

Further, the buffer assembly comprises a second fixed column, a second sliding plate, a sliding rack, a rotating gear, an eccentric wheel, a mounting plate and a second buffer spring, wherein the second fixed column is fixedly connected to the side wall of the inner cavity of the fixed shell, the second sliding plate is slidably connected to the surface of the second fixed column, the sliding rack is fixedly connected to the bottom of the second sliding plate, the rotating gear is meshed with the bottom of the sliding rack, the rotating gear is fixedly connected to the end face of the eccentric wheel, the mounting plate is arranged below the eccentric wheel, the bottom of the mounting plate is fixedly connected with the second buffer spring, and the second buffer spring is fixedly connected to the bottom of the inner cavity of the fixed shell.

Further, fixed casing inner chamber lateral wall rigid coupling has a plurality of second fixed column, a plurality of is preset the hole has been seted up to the second sliding plate, the second fixed column is through predetermineeing hole and second sliding plate through connection, fixed casing inner chamber department is provided with a plurality of eccentric wheel, the equal rigid coupling in eccentric wheel both ends has the rotation gear, the rotation gear rotates with fixed casing inner chamber lateral wall and is connected, second sliding plate bottom rigid coupling has two symmetrically distributed's slip racks.

Further, the auxiliary assembly comprises a third buffer spring and a second buffer air bag, a plurality of third buffer springs are fixedly connected to the inner side of the protection plate, the third buffer springs are fixedly connected to the top surface of the installation shell, the second buffer air bag is fixedly connected to the top surface of the installation shell, and the top of the second buffer air bag is fixedly connected to the inner side of the protection plate.

Further, auxiliary assembly includes toper piece, movable block, spacing post, fixed limiting plate, removes limiting plate, reinforcing plate, damping piece and fourth buffer spring, the inboard rigid coupling of guard plate has a plurality of toper piece, every toper piece below all is provided with two symmetrical distribution's movable block, two the equal rigid coupling of one side that the movable block is on the back has a plurality of spacing post, spacing post surface and fixed limiting plate sliding connection, fixed limiting plate rigid coupling is in the installation casing top, fixed limiting plate one end rigid coupling removes the limiting plate, the one side that removes the limiting plate and keep away from the movable block is provided with the reinforcing plate, the reinforcing plate rigid coupling is in the installation casing top, the reinforcing plate is close to one side rigid coupling that removes the limiting plate has the damping piece, two the one side that the movable block is on the back all rigid coupling has fourth buffer spring, fourth buffer spring rigid coupling is in fixed limiting plate one side.

Further, the protection component comprises side plates and a rotary roller, two symmetrically distributed side plates are fixedly connected to the outer side of the protection plate, the two side plates are respectively connected to the two ends of the rotary roller in a rotary mode, a plurality of uniformly distributed rotary rollers are connected to one side of each side plate in a rotary mode, the protection component comprises a third buffer air bag, and the third buffer air bag is fixedly connected to the outer side of the protection plate.

Further, the alarm assembly comprises a reinforcing column, a movable plate, a fifth buffer spring, an adjusting column, an adjusting frame, a blocking sheet and a laser alarm assembly, wherein the reinforcing column is fixedly connected to the side face of the supporting plate, the movable plate is connected to the surface of the reinforcing column in a sliding mode, the fifth buffer springs are fixedly connected to two sides of the movable plate, the adjusting column is arranged above the movable plate, the adjusting frame is rotatably connected to two ends of the adjusting column, the adjusting frame is located above the adjusting frame and fixedly connected to the bottom of the connecting plate, the adjusting frame is located below the adjusting frame and fixedly connected to the top of the movable plate, the blocking sheet is fixedly connected to the bottom of the movable plate, the laser alarm assembly is mounted below the blocking sheet in an inclined mode, and the laser alarm assembly is mounted on the side wall of an inner cavity of the mounting shell.

Further, the support plate both sides all fixedly connected with a plurality of spliced pole, the one end rigid coupling that the support plate was kept away from to the spliced pole is in installation casing inner chamber lateral wall, the movable plate both sides all fixedly connected with fifth buffer spring, one side fifth buffer spring rigid coupling is in installation casing inner chamber lateral wall, the opposite side fifth buffer spring rigid coupling is in the support plate side, the alignment jig includes center post and center plate, center post both ends all fixedly connected with center plate, center post surface and alignment post rotate to be connected, laser warning subassembly includes transmitting end and receiving end, transmitting end and receiving end are installed respectively in the inner wall of installation casing corresponding both sides face.

The utility model has the advantages that:

1. the utility model can buffer the force impact force from the side by utilizing the transverse buffer structure, reduce the probability of deformation of the rear bumper and prolong the service life of the rear bumper.

2. The utility model can buffer the impact force from the front by utilizing the longitudinal buffer structure, and can improve the longitudinal buffer performance of the rear bumper by utilizing a plurality of buffer components such as the third buffer spring, the second buffer air bag, the fifth buffer spring, the first buffer air bag and the like, so that the rear bumper has stronger buffer performance.

3. The utility model can protect the impacting body impacting the rear bumper by utilizing the protecting component, prevent the impacting body from directly and rigidly impacting the rear bumper, and reduce the damage to the impacting body.

4. The utility model can give an alarm when the rear bumper receives the longitudinal impact force by utilizing the alarm structure, and warn both sides of the impact, thereby avoiding further aggravation of the impact.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic perspective view of a rear bumper with a cushioning structure according to an embodiment of the present utility model;

FIG. 2 is a schematic plan view of the rear bumper of the embodiment of FIG. 1;

FIG. 3 is a schematic view of the internal structure of the stationary housing in the embodiment shown in FIG. 1;

FIG. 4 is a schematic side view of the stationary housing of the embodiment of FIG. 1;

FIG. 5 is a schematic view of the positional relationship among the sliding rack, the rotating gear and the eccentric in the embodiment of FIG. 1;

FIG. 6 is a schematic view of the positional relationship between the mounting housing and the fender in the embodiment shown in FIG. 1;

FIG. 7 is a schematic view of the positional relationship among the conical block, the movable block limiting post, the fixed limiting plate, the movable limiting plate, the reinforcing plate, the damping block and the fourth buffer spring in the embodiment shown in FIG. 1;

FIG. 8 is a schematic view showing the positional relationship among the reinforcement column, the moving plate, the fifth cushion spring, the adjustment column, the adjustment bracket, the first cushion bladder and the support plate in the embodiment shown in FIG. 1;

FIG. 9 is a schematic diagram of the internal side view of the mounting housing of the embodiment of FIG. 1;

fig. 10 is a schematic view showing a positional relationship among the installation housing, the shielding plate, and the third cushion airbag in the embodiment shown in fig. 1.

Meaning of reference numerals in the drawings: 1. a mounting frame; 2. a fixed housing; 3. supporting the ball; 4. a fixing plate; 5. a mounting shell; 6. a protection plate; 7. a connecting column; 8. a connecting plate; 9. a first cushion bladder; 10. a support plate; 11. a first fixing column; 12. a first sliding plate; 13. a first buffer spring; 14. a second fixing column; 15. a second sliding plate; 16. sliding racks; 17. rotating the gear; 18. an eccentric wheel; 19. a mounting plate; 20. a second buffer spring; 21. a third buffer spring; 22. a second cushion bladder; 23. a conical block; 24. a moving block; 25. a limit column; 26. fixing a limiting plate; 27. moving the limiting plate; 28. a reinforcing plate; 29. a damping block; 30. a fourth buffer spring; 31. a side plate; 32. rotating the drum; 33. a third cushion bladder; 34. a reinforcing column; 35. a moving plate; 36. a fifth buffer spring; 37. an adjusting column; 38. an adjusting frame; 39. a barrier sheet; 40. and a laser alarm assembly.

Detailed Description

In order to make the application object, feature and advantage of the present utility model more obvious and understandable, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model, and it is apparent that the embodiments described below are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "top", "bottom", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Example 1

Referring to fig. 1 to 2, a rear bumper with a buffer structure comprises a transverse buffer structure and a longitudinal buffer structure, wherein the transverse buffer structure comprises a mounting frame 1, a fixed shell 2, a supporting rolling ball 3 and a fixed plate 4, the top of the mounting frame 1 is fixedly connected with the fixed shell 2, a buffer assembly is arranged in the fixed shell 2, the top surface of the fixed shell 2 is rotationally connected with the supporting rolling ball 3, the supporting rolling ball 3 is slidably connected with the bottom surface of the fixed plate 4, the impact force from the side surface can be buffered by the transverse buffer structure, the probability of deformation of the rear bumper is reduced, and when the rear bumper is impacted by the side surface, the fixed plate 4 moves, and at the moment, the movement of the fixed plate 4 can be smoother by the supporting rolling ball 3;

the vertical buffer structure includes installation casing 5, guard plate 6, spliced pole 7, connecting plate 8, first buffer air bag 9 and backup pad 10, installation casing 5 rigid coupling is provided with guard plate 6 in the installation casing 5 outside, the position between guard plate 6 and the installation casing 5 is provided with auxiliary assembly, the guard plate 6 outside is provided with protection subassembly, the inboard rigid coupling of guard plate 6 has spliced pole 7, spliced pole 7 bottom rigid coupling connecting plate 8, connecting plate 8 bottom rigid coupling has first buffer air bag 9, first buffer air bag 9 rigid coupling is in backup pad 10 top, backup pad 10 rigid coupling is in installation casing 5 inner chamber lateral wall, installation casing 5 inner chamber department is provided with alarm assembly, utilize vertical buffer structure can cushion the impact from the place ahead.

Through the technical scheme, the transverse buffer structure is utilized to buffer the force impact force from the side, the probability of deformation of the rear bumper is reduced, the service life of the rear bumper is prolonged, the longitudinal buffer structure is utilized to buffer the impact force from the front, the longitudinal buffer performance of the rear bumper is improved by utilizing the third buffer spring 21, the second buffer air bag 22, the fifth buffer spring 36, the first buffer air bag 9 and other buffer components, the rear bumper has stronger buffer performance, the protection component is utilized to protect the impact body of the rear bumper, the impact body is prevented from directly and rigidly colliding with the rear bumper, the damage to the impact body is reduced, the alarm structure is utilized to alarm when the rear bumper receives the longitudinal impact force, the two sides of the impact are warned, and further aggravation of the impact is avoided.

Specifically, as shown in fig. 2 and fig. 4, the top surface of the fixed shell 2 is rotationally connected with a plurality of supporting rolling balls 3 which are uniformly distributed, two symmetrically distributed sliding grooves are formed in the bottom surface of the fixed plate 4, the supporting rolling balls 3 are in sliding connection with the bottom surface of the fixed plate 4 through the sliding grooves, the supporting rolling balls 3 can enable the movement of the fixed plate 4 to be smoother, the section of the protection plate 6 is of an inverted U-shaped structure, four connecting columns 7 which are distributed in a rectangular structure are fixedly connected with the inner wall of the protection plate 6, four connecting holes which are distributed in a rectangular structure are formed in the top surface of the installation shell 5, one end of each connecting column 7, which is far away from the protection plate 6, penetrates through the connecting holes and extends to the inner cavity of the installation shell 5, and the connecting columns 7 can limit the moving track of the protection plate 6.

As an optimization scheme, as shown in FIG. 2, the buffer assembly comprises a first fixed column 11, a first sliding plate 12 and a first buffer spring 13, wherein a plurality of first fixed columns 11 are fixedly connected to the inner cavity side wall of the fixed shell 2, the first sliding plate 12 is slidably connected to the surface of the first fixed column 11, the first buffer springs 13 are fixedly connected to two sides of the first sliding plate 12, a plurality of sliding holes are formed in the first sliding plate 12, the first fixed columns 11 are connected with the first sliding plate 12 in a penetrating manner through the sliding holes, and one ends, far away from the first sliding plate 12, of the two first buffer springs 13 are fixedly connected to the inner cavity side wall of the fixed shell 2 respectively.

Through the above technical scheme, the rear bumper receives the transverse impact force from the side and makes fixed plate 4 take place to remove when using to drive first sliding plate 12 and follow first fixed column 11 syntropy and remove, first sliding plate 12 stretches first buffer spring 13 of one side this moment, compresses first buffer spring 13 of opposite side, thereby utilizes first buffer spring 13 of both sides to cushion transverse impact force.

As an optimization scheme, as shown in fig. 2, the auxiliary assembly comprises a third buffer spring 21 and a second buffer air bag 22, wherein a plurality of third buffer springs 21 are fixedly connected to the inner side of the protection plate 6, the third buffer springs 21 are fixedly connected to the top surface of the installation shell 5, the second buffer air bag 22 is fixedly connected to the top surface of the installation shell 5, and the top of the second buffer air bag 22 is fixedly connected to the inner side of the protection plate 6.

Through the above technical scheme, when the guard plate 6 receives the impact force from the front, and the guard plate 6 moves to the installation housing 5, the impact force is absorbed and buffered by the third buffer spring 21 and the second buffer air bag 22, so that the buffer performance of the rear bumper is improved.

As an optimization scheme, as shown in fig. 2, the protection component comprises a side plate 31 and a rotating roller 32, two symmetrically distributed side plates 31 are fixedly connected to the outer side of the protection plate 6, the two side plates 31 are respectively connected to two ends of the rotating roller 32 in a rotating manner, and a plurality of uniformly distributed rotating rollers 32 are connected to one side of the side plate 31 in a rotating manner.

Through above-mentioned technical scheme, when guard plate 6 received the impact, the rotation cylinder 32 can take place to rotate to disperse the impact, can cushion the impact body except that the rear bumper, avoid impact body and rear bumper to produce rigid collision, reduce the damage of impact body, increase the security of bumper.

As an optimization scheme, as shown in fig. 2, 8 and 9, the alarm assembly comprises a reinforcing column 34, a moving plate 35, a fifth buffer spring 36, an adjusting column 37, an adjusting frame 38, a blocking piece 39 and a laser alarm assembly 40, wherein the reinforcing column 34 is fixedly connected to the side surface of the supporting plate 10, the moving plate 35 is slidably connected to the surface of the reinforcing column 34, the fifth buffer spring 36 is fixedly connected to both sides of the moving plate 35, the adjusting column 37 is arranged above the moving plate 35, the adjusting frames 38 positioned above are fixedly connected to the bottom of the connecting plate 8, the adjusting frames 38 positioned below are fixedly connected to the top of the moving plate 35, the blocking piece 39 is fixedly connected to the bottom of the moving plate 35, the laser alarm assembly 40 is installed below the blocking piece 39 in an inclined manner, and the laser alarm assembly 40 is installed on the side wall of the inner cavity of the installation shell 5.

Through the above technical scheme, when the protection plate 6 receives the impact force from the front, the protection plate 6 moves towards the installation shell 5, thereby driving the connecting column 7 and the connecting plate 8 to move in the same direction, at this time, the adjusting column 37 rotates under the action of the adjusting frame 38, thereby enabling the moving plate 35 to move along the reinforcing column 34, at this time, the moving plate 35 compresses the fifth buffer spring 36 on one side and stretches the fifth buffer spring 36 on the other side, thereby further improving the buffer performance of the rear bumper, and when the moving plate 35 moves, the blocking piece 39 can be driven to move in the same direction, when the blocking piece 39 blocks the laser alarm assembly 40, the laser alarm assembly 40 gives an alarm, reminds both sides of the impact, and avoids further aggravation of the impact.

Specifically, as shown in fig. 2, 8 and 9, a plurality of reinforcing columns 34 are fixedly connected to two sides of the supporting plate 10, one end, far away from the supporting plate 10, of each reinforcing column 34 is fixedly connected to the inner cavity side wall of the installation shell 5, the reinforcing columns 34 can limit the moving track of the moving plate 35, two sides of the moving plate 35 are fixedly connected with fifth buffer springs 36, one side of each fifth buffer spring 36 is fixedly connected to the inner cavity side wall of the installation shell 5, the other side of each fifth buffer spring 36 is fixedly connected to the side surface of the supporting plate 10, the adjusting frame 38 comprises a central column and a central plate, two ends of the central column are fixedly connected with central plates, the surface of the central column is rotatably connected with the adjusting column 37, the adjusting column 37 can rotate through the adjusting frame 38, the laser alarm assembly 40 comprises a transmitting end and a receiving end, the transmitting end and the receiving end are respectively mounted on the inner walls of the two corresponding sides of the installation shell 5, when the blocking piece 39 blocks infrared rays emitted by the transmitting end, the receiving end cannot receive the corresponding infrared rays, and the laser alarm assembly 40 alarms at the moment.

Example two

As a further optimization scheme, as shown in fig. 3, 4 and 5, the buffer assembly comprises a second fixed column 14, a second sliding plate 15, a sliding rack 16, a rotating gear 17, an eccentric wheel 18, a mounting plate 19 and a second buffer spring 20, wherein the second fixed column 14 is fixedly connected to the side wall of the inner cavity of the fixed shell 2, the surface of the second fixed column 14 is slidably connected with the second sliding plate 15, the bottom of the second sliding plate 15 is fixedly connected with the sliding rack 16, the bottom of the sliding rack 16 is in meshed connection with the rotating gear 17, the rotating gear 17 is fixedly connected to the end face of the eccentric wheel 18, the mounting plate 19 is arranged below the eccentric wheel 18, the bottom of the mounting plate 19 is fixedly connected with the second buffer spring 20, and the second buffer spring 20 is fixedly connected to the bottom of the inner cavity of the fixed shell 2.

Specifically, the inner cavity side wall of the fixed shell 2 is fixedly connected with a plurality of second fixed columns 14, a plurality of preset holes are formed in the second sliding plate 15, the second fixed columns 14 are connected with the second sliding plate 15 in a penetrating mode through the preset holes, a plurality of eccentric wheels 18 are arranged at the inner cavity of the fixed shell 2, rotating gears 17 are fixedly connected at two ends of each eccentric wheel 18, the rotating gears 17 are rotationally connected with the inner cavity side wall of the fixed shell 2, and two symmetrically distributed sliding racks 16 are fixedly connected at the bottom of the second sliding plate 15.

Through the above technical scheme, when the fixed plate 4 moves, the second sliding plate 15 can be driven to move along the second fixed column 14 in the same direction, so as to drive the sliding rack 16 to move in the same direction, and when the sliding rack 16 moves, the rotating gear 17 can be driven to rotate, so as to drive the eccentric wheel 18 to rotate, at the moment, the eccentric wheel 18 presses the mounting plate 19 downwards, so that the second buffer spring 20 is compressed, and the impact force is buffered by the second buffer spring 20.

Example III

As a further optimization scheme, as shown in fig. 6 and 7, the auxiliary assembly comprises conical blocks 23, moving blocks 24, limiting columns 25, fixed limiting plates 26, moving limiting plates 27, reinforcing plates 28, damping blocks 29 and fourth buffer springs 30, wherein the inner sides of the protection plates 6 are fixedly connected with a plurality of conical blocks 23, two symmetrically distributed moving blocks 24 are arranged below each conical block 23, a plurality of limiting columns 25 are fixedly connected to one side of each moving block 24 opposite to the other, the surfaces of the limiting columns 25 are slidably connected with the fixed limiting plates 26, the fixed limiting plates 26 are fixedly connected to the top of the installation shell 5, one ends of the fixed limiting plates 26 are fixedly connected with the moving limiting plates 27, reinforcing plates 28 are arranged on one sides of the moving limiting plates 27 away from the moving blocks 24 and fixedly connected to the top of the installation shell 5, the damping blocks 29 are fixedly connected to one sides of the reinforcing plates 28 close to the moving limiting plates 27, the fourth buffer springs 30 are fixedly connected to one sides of the opposite sides of the two moving blocks 24, and the fourth buffer springs 30 are fixedly connected to one sides of the fixed limiting plates 26.

Through the above technical scheme, the protection plate 6 is forced to move downwards and drives the conical block 23 to move in the same direction, at this time, the conical block 23 compresses the moving blocks 24 on two sides, so that the moving blocks 24 on two sides move back to back, thereby driving the limiting columns 25 to move in the same direction, further driving the fixed limiting plates 26 to move in the same direction, and the reinforcing plates 28 and the damping blocks 29 are arranged, so that the moving limiting plates 27 can contact the damping blocks 29 before the bottoms of the conical blocks 23 contact the installation shell 5, collision between the conical blocks 23 and the installation shell 5 is avoided, and the fourth buffer springs 30 can be compressed when the moving blocks 24 move, and impact force is buffered by the fourth buffer springs 30 and the damping blocks 29.

Example IV

As a further optimization scheme, as shown in fig. 10, the protection assembly comprises a third buffer air bag 33, the third buffer air bag 33 is fixedly connected to the outer side of the protection plate 6, the third buffer air bag 33 can buffer the impact body except the rear bumper, so that the impact body and the rear bumper are prevented from generating rigid collision, and the damage of the impact body is reduced.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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.

The above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims (10)

1. A rear bumper with cushioning structure, characterized in that: the device comprises a transverse buffer structure and a longitudinal buffer structure, wherein the transverse buffer structure comprises a mounting frame (1), a fixed shell (2), a supporting rolling ball (3) and a fixed plate (4), the top of the mounting frame (1) is fixedly connected with the fixed shell (2), a buffer assembly is arranged in the fixed shell (2), the top surface of the fixed shell (2) is rotationally connected with the supporting rolling ball (3), and the supporting rolling ball (3) is in sliding connection with the bottom surface of the fixed plate (4);

the utility model provides a vertical buffer structure is including installation casing (5), guard plate (6), spliced pole (7), connecting plate (8), first buffer air bag (9) and backup pad (10), installation casing (5) rigid coupling is in fixed plate (4) top, the installation casing (5) outside is provided with guard plate (6), the position between guard plate (6) and the installation casing (5) is provided with auxiliary assembly, the guard plate (6) outside is provided with protection subassembly, guard plate (6) inboard rigid coupling has spliced pole (7), spliced pole (7) bottom rigid coupling connecting plate (8), connecting plate (8) bottom rigid coupling has first buffer air bag (9), first buffer air bag (9) rigid coupling is in backup pad (10) top, backup pad (10) rigid coupling is in installation casing (5) inner chamber lateral wall, installation casing (5) inner chamber department is provided with alarm subassembly.

2. The rear bumper with a cushion structure according to claim 1, wherein: the utility model discloses a fixed shell, including fixed shell (2), fixed plate (4), fixed plate (6), connecting column (7) that fixed shell (2) top surface rotated and is connected with a plurality of evenly distributed's support spin (3), two symmetric distribution's sliding tray have been seted up to fixed plate (4) bottom surface, support spin (3) through sliding tray and fixed plate (4) bottom surface sliding connection, the cross-section of guard plate (6) is into the type of falling U structure, guard plate (6) inner wall rigid coupling has four spliced pole (7) that are rectangular structure and distribute, four connecting holes that are rectangular structure and distribute have been seted up to installation shell (5) top surface, one end through connection hole and the extension department of installing shell (5) inner chamber that guard plate (6) were kept away from to spliced pole (7).

3. The rear bumper with a cushion structure according to claim 1, wherein: the buffer assembly comprises a first fixed column (11), a first sliding plate (12) and a first buffer spring (13), wherein a plurality of first fixed columns (11) are fixedly connected to the side wall of an inner cavity of the fixed shell (2), the first sliding plate (12) is connected to the surface of the first fixed column (11) in a sliding mode, the first buffer springs (13) are fixedly connected to the two sides of the first sliding plate (12), a plurality of sliding holes are formed in the first sliding plate (12), the first fixed columns (11) are connected with the first sliding plate (12) in a penetrating mode through the sliding holes, and one ends, far away from the first sliding plate (12), of the first buffer springs (13) are fixedly connected to the side wall of the inner cavity of the fixed shell (2) respectively.

4. The rear bumper with a cushion structure according to claim 1, wherein: the buffer assembly comprises a second fixed column (14), a second sliding plate (15), a sliding rack (16), a rotating gear (17), an eccentric wheel (18), a mounting plate (19) and a second buffer spring (20), wherein the second fixed column (14) is fixedly connected to the side wall of the inner cavity of the fixed shell (2), the second sliding plate (15) is connected to the surface of the second fixed column (14) in a sliding manner, the sliding rack (16) is fixedly connected to the bottom of the second sliding plate (15), the rotating gear (17) is meshed with the bottom of the sliding rack (16), the rotating gear (17) is fixedly connected to the end face of the eccentric wheel (18), the mounting plate (19) is arranged below the eccentric wheel (18), the second buffer spring (20) is fixedly connected to the bottom of the mounting plate (19), and the second buffer spring (20) is fixedly connected to the bottom of the inner cavity of the fixed shell (2).

5. The rear bumper with a cushion structure according to claim 4, wherein: the utility model discloses a fixed casing, including fixed casing (2) inner chamber lateral wall rigid coupling has a plurality of second fixed column (14), a plurality of presets the hole has been seted up to second sliding plate (15), second fixed column (14) are through preseting hole and second sliding plate (15) through connection, fixed casing (2) inner chamber department is provided with a plurality of eccentric wheel (18), all rigid coupling at eccentric wheel (18) both ends has rotation gear (17), rotation gear (17) are connected with fixed casing (2) inner chamber lateral wall rotation, second sliding plate (15) bottom rigid coupling has two symmetrically distributed's slip racks (16).

6. The rear bumper with a cushion structure according to claim 1, wherein: the auxiliary assembly comprises a third buffer spring (21) and a second buffer air bag (22), wherein a plurality of third buffer springs (21) are fixedly connected to the inner side of the protection plate (6), the third buffer springs (21) are fixedly connected to the top surface of the installation shell (5), the second buffer air bag (22) is fixedly connected to the top surface of the installation shell (5), and the top of the second buffer air bag (22) is fixedly connected to the inner side of the protection plate (6).

7. The rear bumper with a cushion structure according to claim 1, wherein: the auxiliary assembly comprises conical blocks (23), moving blocks (24), limiting columns (25), fixed limiting plates (26), reinforcing plates (28), damping blocks (29) and fourth buffer springs (30), wherein a plurality of conical blocks (23) are fixedly connected on the inner side of each protection plate (6), two symmetrically distributed moving blocks (24) are arranged below each conical block (23), a plurality of limiting columns (25) are fixedly connected on one opposite side of each moving block (24), the surfaces of the limiting columns (25) are in sliding connection with the fixed limiting plates (26), the fixed limiting plates (26) are fixedly connected on the top of the installation shell (5), one end of each fixed limiting plate (26) is fixedly connected with the movable limiting plate (27), one side, far away from each moving block (24), of each movable limiting plate (27) is provided with the reinforcing plate (28), one side, close to each movable limiting plate (27), of each reinforcing plate (28) is fixedly connected with the damping block (29), and the two opposite sides of each movable limiting block (24) are fixedly connected with the fourth buffer springs (30).

8. The rear bumper with a cushion structure according to claim 1, wherein: the protection component comprises side plates (31) and rotating rollers (32), two symmetrically distributed side plates (31) are fixedly connected to the outer sides of the protection plates (6), the two side plates (31) are respectively connected to the two ends of the rotating rollers (32) in a rotating mode, a plurality of evenly distributed rotating rollers (32) are connected to one side of each side plate (31) in a rotating mode, the protection component comprises a third buffer air bag (33), and the third buffer air bag (33) is fixedly connected to the outer sides of the protection plates (6).

9. The rear bumper with a cushion structure according to claim 1, wherein: the alarm assembly comprises a reinforcing column (34), a moving plate (35), fifth buffer springs (36), adjusting columns (37), adjusting frames (38), blocking plates (39) and laser alarm assemblies (40), wherein the reinforcing column (34) is fixedly connected to the side face of a supporting plate (10), the moving plates (35) are connected to the surface of the reinforcing column (34) in a sliding mode, the fifth buffer springs (36) are fixedly connected to the two sides of the moving plate (35), the adjusting columns (37) are arranged above the moving plate (35), the adjusting frames (38) are rotatably connected to the two ends of the adjusting columns (37), the adjusting frames (38) are located above, the adjusting frames (38) are fixedly connected to the bottom of a connecting plate (8), the adjusting frames (38) are located below, the blocking plates (39) are fixedly connected to the bottom of the moving plates, the laser alarm assemblies (40) are mounted below the blocking plates (39) in an inclined mode, and the laser alarm assemblies (40) are mounted on the side walls of the inner cavities of a mounting shell (5).

10. The rear bumper with a cushion structure according to claim 9, wherein: the utility model discloses a laser warning device, including installation casing (5), including backup pad (10), backup pad (10) both sides all have fixedly connected with a plurality of spliced pole (34), the one end rigid coupling that backup pad (10) were kept away from to spliced pole (34) is in installation casing (5) inner chamber lateral wall, all fixedly connected with fifth buffer spring (36) in removal board (35) both sides, one side fifth buffer spring (36) rigid coupling in installation casing (5) inner chamber lateral wall, the opposite side fifth buffer spring (36) rigid coupling is in backup pad (10) side, regulating frame (38) include center post and center plate, the center post both ends all fixedly connected with center plate, center post surface and regulating column (37) rotate and are connected, laser warning subassembly (40) are including transmitting terminal and receiving terminal, transmitting terminal and receiving terminal are installed respectively in the inner wall of installation casing (5) corresponding both sides face.