Automobile bumper structure capable of being quickly disassembled and replaced

By designing a quick-disassembly and replacement car bumper structure, and utilizing positioning pillars and protective mechanisms, the problem of low bumper disassembly and assembly efficiency has been solved, enabling rapid installation and diversified replacement, thereby improving maintenance efficiency and safety.

CN223803529UActive Publication Date: 2026-01-16DANYANG XINWANG AUTO PARTS CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520191416.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-07
Publication Date
2026-01-16
Estimated Expiration
2035-02-07

AI Technical Summary

Technical Problem

In the current technology, the disassembly and assembly process of car bumpers requires time to repeatedly adjust and confirm the position, resulting in low maintenance efficiency.

Method used

A quick-removable and replaceable car bumper structure was designed, which uses a positioning post, cylindrical magnetic block and bolt fixing system, combined with a protective mechanism including components such as coil springs, shock absorbers, energy-absorbing boxes and foam pads, to ensure quick positioning and stable installation, and effectively absorb and disperse energy in the event of a collision.

Benefits of technology

It enables quick disassembly and replacement of the bumper, reduces maintenance time, improves disassembly and assembly efficiency, and effectively protects the safety of the vehicle and passengers in the event of a collision, thereby enhancing the vehicle's anti-collision performance.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223803529U_ABST
    Figure CN223803529U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of automobile accessories, and discloses a quickly detachable and replaceable automobile bumper structure which comprises a bumper body, two positioning columns are fixedly connected to the middle upper portion of the rear side of the bumper body, two fixing boxes are fixedly connected to the middle of the rear side of the bumper body, sliding grooves are formed in the inner sides of the fixing boxes, and the positioning columns are fixedly connected to the middle of the rear side of the bumper body. Short columns are slidably connected to the inner sides of the sliding grooves, cylindrical magnetic blocks are fixedly connected to the outer walls of the short columns, clamping plates are clamped between the adjacent cylindrical magnetic blocks, and flat gaskets are fixedly connected to the left side and the right side of the top of the rear end of the bumper body. According to the automobile bumper fixing device, the positioning columns achieve the positioning effect, the clamping plates penetrate through the adjacent cylindrical magnetic blocks to complete clamping in the fixing box, and then the bumper body is fixed through the first bolts, so that when the bumper is damaged, an old bumper can be rapidly disassembled, complex positioning and alignment operation is not needed, and diversified driving requirements are met.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile accessories, especially to the automobile bumper structure of quick dismounting and replacement. BACKGROUND

[0002] At the early stage of the birth of automobile, the vehicle speed is low, the collision risk is relatively small, the automobile structure is relatively simple, and the bumper is not specially designed at the beginning, but with the increase of the number of automobiles and the increase of the driving speed, the early automobiles begin to install simple metal rods and wooden boards as buffer devices, which can be regarded as the rudiment of automobile bumpers, and the main purpose is to protect the front end and rear end of the vehicle in low-speed collision and reduce the damage of the vehicle itself, the modern automobile bumper usually integrates the structure of energy absorption box and anti-collision beam, which can effectively disperse and absorb the collision energy through the deformation of the energy absorption box and the buffering of the anti-collision beam in collision, reduce the harm to the vehicle body and the people in the vehicle, at the same time, the design of the bumper also pays more and more attention to the protection of pedestrians, adopts softer materials and more reasonable structure, reduces the harm to pedestrians in collision.

[0003] When the vehicle collides, the bumper is the first component to contact the collision object, which is internally provided with the structure of energy absorption box and anti-collision beam, which can absorb and disperse the collision energy through the deformation and structure collapse of itself, reduce the impact of collision on the main body structure of the vehicle body, thereby reducing the harm to the people in the vehicle, for automobile modification enthusiasts and professional modification shops, quick dismounting and replacement of the bumper structure reduce the difficulty and cost of modification, improve the efficiency and flexibility of modification, but time-consuming adjustment and confirmation of the position of the bumper is needed during dismounting, comparison and calibration are carried out to ensure that the bumper is installed in place, and the maintenance efficiency is not high. SUMMARY

[0004] In order to make up for the above shortcomings, the utility model provides the automobile bumper structure of quick dismounting and replacement, which aims at improving the problem that time-consuming adjustment and confirmation of the position of the bumper is needed during dismounting in the prior art, comparison and calibration are carried out to ensure that the bumper is installed in place, and the maintenance efficiency is not high.

[0005] In order to achieve the above object, the utility model discloses the following technical scheme: quick detachable and replaceable automobile bumper structure, including bumper main part, the rear side middle upper portion of bumper main part is fixedly connected with two positioning column, the rear side middle part of bumper main part is fixedly connected with two fixed box, the inboard of fixed box all is set with the sliding slot, the inboard sliding connection of sliding slot has short column, the outer wall of short column is fixedly connected with the cylindrical magnetic block, the adjacent of cylindrical magnetic block is matched with the clamping plate, the rear end top of bumper main part both sides is fixedly connected with flat washer, the side of far away of flat washer all is screwed with bolt one, the rear side top of bumper main part and the middle part of flat washer are all fixedly connected with the middle part of flat washer with the screw thread connection of the adjacent side of bolt one, the rear side of bumper main part is provided with the protection mechanism, and the protection mechanism is used for the protection of bumper.

[0006] As a further description of the above technical scheme:

[0007] The protection mechanism includes a fixed plate, the rear side of the fixed plate is fixedly connected with the rear side middle lower part of the bumper main body, a plurality of spiral springs are fixedly connected with the rear side of the fixed plate, a shock absorber is fixedly connected with the rear side of each of the plurality of spiral springs, an energy absorption box is fixedly connected with the rear side bottom of the bumper main body, sponge pads are fixedly connected with the left and right ends of the rear side bottom of the bumper main body, and a rigid support plate is fixedly connected with the middle part of the rear side top of the bumper main body.

[0008] As a further description of the above technical scheme:

[0009] A support plate two is fixedly connected with the rear side top of the bumper main body, and a bolt two is screwed with the left and right sides of the top of the support plate two.

[0010] As a further description of the above technical scheme:

[0011] A deflector plate is fixedly connected with the corner of the front side top of the bumper main body, and a lighting lamp hole is fixedly connected with the left and right ends of the front side top of the bumper main body.

[0012] As a further description of the above technical scheme:

[0013] Two reserved holes are formed in the top of the bumper main body, and a nameplate is fixedly connected with the middle part of the front side top of the bumper main body.

[0014] As a further description of the above technical scheme:

[0015] A front license plate holder is fixedly connected with the middle part of the front side of the bumper main body, and a decorative plate is fixedly connected with the middle part of the top of the front license plate holder.

[0016] As a further description of the above technical scheme:

[0017] The fog lamp holes are arranged on the left and right sides of the front bottom end of the bumper body, and the reflective patches are fixedly connected to the middle part of the front bottom end of the bumper body.

[0018] As a further description of the above technical solutions:

[0019] The reinforcing plate is fixedly connected to the edge of the rear bottom of the bumper body, the support rods are fixedly connected to the left and right ends of the top of the reinforcing plate, and the top of the support rod is fixedly connected to the bottom of the rigid support plate.

[0020] The utility model has the advantages of the following:

[0021] 1、The positioning column is aligned with the hole of the front end of the vehicle to realize the positioning effect, the installation is carried out along the positioning column, the clamping plate in front of the vehicle passes between the adjacent cylindrical magnetic blocks, the clamping of the clamping plate in front in the fixed box is completed, the fixing effect of the bumper body is completed through the bolts on the two sides, the old bumper can be quickly removed when the bumper is damaged due to the collision of the vehicle, the positioning point and alignment operation are not needed, the bumper can be quickly replaced, and diversified driving requirements are met.

[0022] 2、When the collision occurs, the helical spring can be compressed and deformed in an instant, part of kinetic energy generated by the collision is converted into elastic potential energy and stored to reduce the force transmitted to the vehicle body, the shock absorber can inhibit the vibration in the compression and rebound process of the helical spring, the buffering effect of the spring is more stable and controllable, the energy absorption box can effectively prolong the action time of the collision force, the sponge pad can make the transmission of impact force more uniform, and the rigid support plate improves the anti-collision performance of the vehicle as a whole. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 The bumper body front side perspective view of the quick-detachable and replaceable automobile bumper structure is provided for the utility model;

[0024] Figure 2 The positioning column rear view of the quick-detachable and replaceable automobile bumper structure is provided for the utility model;

[0025] Figure 3 The support plate II top view of the quick-detachable and replaceable automobile bumper structure is provided for the utility model;

[0026] Figure 4 The fixed box split view of the quick-detachable and replaceable automobile bumper structure is provided for the utility model;

[0027] Figure 5 The fixed plate schematic view of the quick-detachable and replaceable automobile bumper structure is provided for the utility model.

[0028] Legend:

[0029] 1, bumper body; 2, protection mechanism; 201, fixed plate; 202, coil spring; 203, shock absorber; 204, energy absorption box; 205, sponge pad; 206, rigid support plate; 3, positioning column; 4, fixed box; 5, sliding groove; 6, short column; 7, cylindrical magnetic block; 8, clamping plate; 9, flat washer; 10, bolt one; 11, support plate two; 12, bolt two; 13, deflector; 14, light hole; 15, reserved hole; 16, nameplate; 17, decorative plate; 18, front license plate bracket; 19, fog lamp hole; 20, reflective patch; 21, reinforcing plate; 22, support rod. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0031] Please refer to the drawings in the embodiments of the present application Figure 1 , the drawings in the embodiments of the present application Figure 2 and the drawings in the embodiments of the present application Figure 4 , the present application provides an embodiment: a quick detachable and replaceable automobile bumper structure, comprising a bumper body 1, two positioning columns 3 are fixedly connected to the rear middle upper part of the bumper body 1, two fixed boxes 4 are fixedly connected to the rear middle part of the bumper body 1, a sliding groove 5 is formed in the inner side of each fixed box 4, a short column 6 is slidably connected to the inner side of the sliding groove 5, a cylindrical magnetic block 7 is fixedly connected to the outer wall of the short column 6, a clamping plate 8 is clamped between adjacent cylindrical magnetic blocks 7, a flat washer 9 is fixedly connected to the left and right sides of the top rear end of the bumper body 1, a bolt one 10 is threadedly connected to the side away from the flat washer 9, the rear top of the bumper body 1 and the middle part of the flat washer 9 are threadedly connected through the adjacent side of the bolt one 10, a protection mechanism 2 is arranged on the rear side of the bumper body 1, and the protection mechanism 2 is used for protecting the bumper;

[0032] Specifically, the positioning column 3 not only ensures the accurate positioning of the bumper during installation, but also enhances the stability of the overall structure. The inner side of the fixing box 4 is provided with a sliding groove 5, so that the short column 6 can slide in it, thereby realizing the quick clamping of the bumper. The outer wall of the short column 6 is fixedly connected with cylindrical magnetic blocks 7, and the adjacent cylindrical magnetic blocks 7 are clamped with clamping plates 8, which realize the preliminary fixing with the vehicle, and at the same time provide additional fixing and support when the bumper is disassembled and replaced, ensuring the safety of the operation. The opposite sides of the flat washer 9 are threadedly connected with the bolts one 10, and the adjacent sides of the bolts one 10 are threadedly connected with the middle part of the flat washer 9 through the rear top of the bumper body 1. Not only does it strengthen the structural stability of the bumper, but also ensures the stability of the bumper during vehicle driving. The protection mechanism 2 is specially used for the protection of the bumper, which can effectively absorb the impact force and reduce the damage to the vehicle and pedestrians when a collision occurs.

[0033] Please refer to the attached Figure 1 , attached Figure 2 and attached Figure 5 , the protection mechanism 2 includes a fixed plate 201, the rear side of the fixed plate 201 is fixedly connected with the rear middle and lower part of the bumper body 1, a plurality of spiral springs 202 are fixedly connected with the rear side of the fixed plate 201, a shock absorber 203 is fixedly connected with the rear side of each spiral spring 202, an energy absorption box 204 is fixedly connected with the rear bottom of the bumper body 1, sponge pads 205 are fixedly connected with the left and right ends of the rear bottom of the bumper body 1, and a rigid support plate 206 is fixedly connected with the middle part of the rear top of the bumper body 1.

[0034] Specifically, the fixed plate 201 is fixedly connected with the rear middle and lower part of the bumper body 1, which ensures that the fixed plate 201 can remain stable when impacted, thereby effectively dispersing and absorbing the impact force. The rear side of the fixed plate 201 has a plurality of spiral springs 202 to provide additional cushioning effect. The rear side of each spiral spring 202 is fixedly connected with a shock absorber 203, which further enhances the shock absorbing performance of the protection mechanism 2, ensuring that the impact on the vehicle and passengers can be minimized when a collision occurs. The rear bottom of the bumper body 1 is also fixedly connected with an energy absorption box 204, which can absorb energy when an impact occurs, reducing damage to the vehicle structure. In order to further improve the protection effect, sponge pads 205 are fixedly connected with the left and right ends of the rear bottom of the bumper body 1, which can absorb and disperse the impact force and provide additional protection. In order to enhance the structural strength of the bumper body 1, the rigid support plate 206 not only provides support but also enhances the overall rigidity of the bumper, ensuring that it can maintain its shape during impact and provide continuous protection.

[0035] Please refer to the attached Figure 1 , attached Figure 2 and attached Figure 3A front license plate frame 18 is fixedly connected to the middle of the front side of the bumper body 1. A decorative panel 17 is fixedly connected to the middle of the top of the front license plate frame 18. A support plate 21 is fixedly connected to the top of the rear side of the bumper body 1. Bolts 22 are threadedly connected to the top left and right sides of the support plate 21. A reinforcing plate 21 is fixedly connected to the bottom of the rear side of the bumper body 1 near the edge. Support rods 22 are fixedly connected to the top left and right ends of the reinforcing plate 21. The top of the support rods 22 is fixedly connected to the bottom of the rigid support plate 206.

[0036] Specifically, the front license plate frame 18 not only carries the vehicle's identity, but also has a decorative panel 17 fixedly connected to its top center, adding to the vehicle's aesthetics. The top left and right sides of the support plate 21 are both fitted with bolts 2 12 via threaded connections, ensuring the stability of the connection and facilitating the maintenance and replacement of the bumper later. The top left and right ends of the reinforcing plate 21 are both fixedly connected with support rods 22, and the tops of these support rods 22 are fixedly connected to the bottom of the rigid support plate 206, together forming a stable and robust support system, improving the vehicle's safety in the event of a collision.

[0037] Please see the appendix Figure 1 Appendix Figure 2 and attached Figure 3 Fog light holes 19 are provided on both the left and right sides of the bottom front end of the bumper body 1. A reflective patch 20 is fixedly connected to the middle of the bottom front end of the bumper body 1. Two reserved holes 15 are provided on the top of the bumper body 1. A nameplate 16 is fixedly connected to the middle of the top front end of the bumper body 1. A deflector plate 13 is fixedly connected to the corner of the top front end of the bumper body 1. Lighting holes 14 are fixedly connected to both the left and right sides of the top front end of the bumper body 1.

[0038] Specifically, the fog light hole 19 allows the vehicle to connect fog lights for better illumination in low-visibility environments; the reflective patch 20 reflects light at night and in low-light conditions, enhancing vehicle visibility and thus improving driving safety; the two pre-drilled holes 15 can be used to install other vehicle accessories and for specific vehicle customization; the nameplate 16 can be engraved with relevant vehicle information; the deflector 13 effectively guides airflow during vehicle operation, reducing wind resistance and improving fuel efficiency; and the headlight hole 14 provides a location for installing headlights, ensuring good illumination when the vehicle is driving at night.

[0039] Working principle: align the positioning column 3 with the hole in the front of the car to achieve the positioning effect, install along the positioning column 3, make the clamping plate 8 in front of the car pass between the adjacent cylindrical magnetic blocks 7, complete the clamping of the front side of the clamping plate 8 in the fixed box 4, and then complete the fixing effect of the bumper body 1 through the bolts 10 on both sides, when the bumper is damaged due to collision of the vehicle, the maintenance personnel can quickly remove the old bumper without spending a lot of time to find the positioning point and perform complex alignment operation, at the same time, for some vehicles that need to replace the bumper according to different use scenarios, the high-strength bumper suitable for off-road conditions and the beautiful bumper suitable for city driving can be quickly replaced to meet the diversified driving needs.

[0040] When a collision occurs, the fixing plate 201 connected with multiple spiral springs 202 can be compressed and deformed instantaneously, converting part of the kinetic energy generated by the collision into elastic potential energy and storing it, thereby buffering the impact force of the collision and reducing the force transmitted to the vehicle body. The rear side of the spiral spring 202 is connected with the shock absorber 203, which can suppress the vibration during the compression and rebound of the spiral spring 202, making the buffering effect of the spring more stable and controllable. The energy absorption box 204 at the rear side of the bumper body 1 can effectively prolong the action time of the collision force and reduce the peak value of the collision force, protecting the key structures of the vehicle body and the safety of the people inside the vehicle. The sponge pad 205 at the rear side of the bumper body 1 can play a supplementary buffering role between the bumper body 1 and the vehicle body, filling the gap between the components and making the transmission of impact force more uniform, further reducing the situation of local stress concentration. The rigid support plate 206 at the rear side of the bumper body 1 can guide the collision force to be transmitted to a specific part of the vehicle body according to the designed path, so that the vehicle body structure can better withstand and disperse the impact force, avoid unreasonable damage to the vehicle body caused by the impact force, and improve the overall crashworthiness of the vehicle.

[0041] Finally, it should be noted that the above description is only a preferred embodiment of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some technical features, as long as they are within the spirit and principles of the present application. Any modification, equivalent substitution, improvement, etc. made within the scope of the present application shall be included in the protection scope of the present application.

Claims

1. A quick detachable and replaceable bumper structure for a vehicle comprising a bumper body (1), characterized in that: The rear side of the bumper body (1) is fixedly connected with two positioning columns (3), the rear side of the bumper body (1) is fixedly connected with two fixed boxes (4), the inner side of the fixed box (4) is provided with a sliding groove (5), the inner side of the sliding groove (5) is slidably connected with a short column (6), the outer wall of the short column (6) is fixedly connected with a cylindrical magnetic block (7), the adjacent cylindrical magnetic blocks (7) are clamped with a clamping plate (8), the left and right sides of the rear end top of the bumper body (1) are fixedly connected with a flat washer (9), the side away from the flat washer (9) is threadedly connected with a bolt (10), the adjacent side of the bolt (10) penetrates the rear side top of the bumper body (1) and is threadedly connected with the middle part of the flat washer (9), and the rear side of the bumper body (1) is provided with a protection mechanism (2) for protecting the bumper.

2. The quick changeable bumper structure of claim 1, wherein: The protection mechanism (2) comprises a fixed plate (201), the rear side of the fixed plate (201) is fixedly connected with the rear side of the bumper body (1), a plurality of spiral springs (202) are fixedly connected with the rear side of the fixed plate (201), a shock absorber (203) is fixedly connected with the rear side of each of the plurality of spiral springs (202), an energy absorption box (204) is fixedly connected with the rear side of the bumper body (1), sponge pads (205) are fixedly connected with the left and right ends of the rear side of the bumper body (1), and a rigid support plate (206) is fixedly connected with the middle part of the rear side top of the bumper body (1).

3. The quick changeable bumper structure of claim 1, wherein: The rear side top of the bumper body (1) is fixedly connected with a support plate (11), and the top left and right sides of the support plate (11) are threadedly connected with a bolt (12).

4. The quick changeable bumper structure of claim 1, wherein: The front side top corners of the bumper body (1) are fixedly connected with guide plates (13), and the front side top left and right ends of the bumper body (1) are fixedly connected with illumination lamp holes (14).

5. The quick changeable bumper structure of claim 1, wherein: The top of the bumper body (1) is provided with two reserved holes (15), and the front side top middle part of the bumper body (1) is fixedly connected with a nameplate (16).

6. The quick changeable bumper structure of claim 1, wherein: The front side middle part of the bumper body (1) is fixedly connected with a front license plate holder (18), and the top middle part of the front license plate holder (18) is fixedly connected with a decorative plate (17).

7. The quick changeable bumper structure of claim 1, wherein: The front side bottom left and right sides of the bumper body (1) are provided with fog lamp holes (19), and the front side bottom middle part of the bumper body (1) is fixedly connected with a reflective patch (20).

8. The quick changeable bumper structure of claim 2, wherein: The rear side bottom edge of the bumper body (1) is fixedly connected with a reinforcing plate (21), the top left and right ends of the reinforcing plate (21) are fixedly connected with support rods (22), and the top of the support rod (22) is fixedly connected with the bottom of the rigid support plate (206).