CN209955923U

CN209955923U - Connect stable crashproof formula rear bumper structure

Info

Publication number: CN209955923U
Application number: CN201920599982.9U
Authority: CN
Inventors: 杨菁; 李志英
Original assignee: East China Institute of Technology
Current assignee: East China Institute of Technology
Priority date: 2019-04-29
Filing date: 2019-04-29
Publication date: 2020-01-17
Anticipated expiration: 2029-04-29

Abstract

The utility model discloses a connect stable crashproof formula rear bumper structure, including procapsid and back casing, the procapsid is inside to be seted up first light trough, and the procapsid rear end from last block strip and lower block strip on to fixedly connected with in proper order down, back casing front end is from last to having seted up block groove and lower block groove down in proper order, the inside second light trough of having seted up of back casing, back casing front end fixedly connected with buffer spring, and back casing front end fixedly connected with blotter, the blotter is located the buffer spring lower extreme, back casing upper end fixedly connected with consolidates the connecting plate, and consolidates the inside reinforcement screw of having seted up of connecting plate, back casing rear end swing joint has the screw, and the back casing passes through the screw and can dismantle with the procapsid and be connected. This connect stable crashproof formula rear bumper structure, increased the stability that rear bumper connected, and increased holistic anti striking nature to the practicality of device has been increased.

Description

Connect stable crashproof formula rear bumper structure

Technical Field

The utility model relates to an automobile bumper technical field specifically is a connect stable crashproof formula rear bumper structure.

Background

The front end and the rear end of the automobile are provided with the bumpers which not only have the decoration function, but also are more important to be the safety devices which absorb and buffer the external impact force and protect the automobile body and passengers, particularly the rear bumpers, and play a vital role in protecting the automobile.

But current rear bumper, the intensity that can only lean on the material of bumper itself carries out anti striking, and anti effect is relatively poor, and intensity also is relatively poor of itself, and the bumper can only fix the side in the installation, leads to rear bumper's fixed effect poor, has reduced bumper joint strength.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a connect stable crashproof formula rear bumper structure to propose current rear bumper in solving above-mentioned background art, can only rely on the intensity of the material of itself of bumper to carry out anti striking, anti effect of hitting is relatively poor, and intensity of itself is also relatively poor, and the bumper can only fix to the side in the installation, and the fixed effect that leads to rear bumper is poor, has reduced the problem of bumper joint strength.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a connect stable crashproof formula rear bumper structure, includes procapsid and back casing, the procapsid is inside to be seted up first light trough, and the procapsid rear end from last block strip and lower block strip to fixedly connected with in proper order down, back casing front end is from last to having seted up block groove and lower block groove down in proper order, and goes up block groove and block groove down respectively with last block strip and the mutual block of lower block strip, the inside second light trough of having seted up of back casing, back casing front end fixedly connected with buffer spring, and back casing front end fixedly connected with blotter, the blotter is located the buffer spring lower extreme, back casing upper end fixedly connected with consolidates the connecting plate, and consolidates the inside reinforcement screw that has seted up of connecting plate, back casing rear end swing joint has the screw, and the back casing passes through the screw and can dismantle with the.

Preferably, the front housing and the rear housing have the same shape, and the front housing and the first light trough and the second light trough inside the rear housing are distributed correspondingly.

Preferably, the length and width of the upper clamping strip and the lower clamping strip are equal, and the shape and size of the upper clamping strip and the lower clamping strip are matched with the shape and size of the upper clamping groove and the lower clamping groove.

Preferably, the upper engaging groove and the lower engaging groove have the same length and width, and the depth of the upper engaging groove and the lower engaging groove is equal to the width of the upper engaging strip and the lower engaging strip.

Preferably, buffer spring is at rear housing front end interval distribution, and buffer spring's length is greater than the width of blotter when buffer spring does not take place deformation, and buffer spring's length equals with the length of last block strip and lower block strip.

Preferably, the shape of the buffer pad is the same as the shape of the front shell and the rear shell, the upper end of the buffer pad is not attached to the buffer spring, and the lower end of the buffer pad is not attached to the upper end of the second lamp groove.

Compared with the prior art, the beneficial effects of the utility model are that: the stably connected anti-collision type automobile rear bumper structure has the advantages that by changing the rear bumper into a double-layer structure, the two layers of shells are tightly attached and connected through the shape and the size of the upper clamping strip and the lower clamping strip and the upper clamping groove and the lower clamping groove, thereby increasing the connection stability of the shell, and simultaneously, the spring and the buffer cushion are arranged between the two layers of shells, can reduce the impact of the outside, the two layers of shells, the spring and the cushion form a good anti-collision structure, and the probability of the damage of the rear shell is small after the rear shell is impacted, only the front shell needs to be replaced during repair, meanwhile, the structure is provided with the reinforcing connecting plate which can reinforce and connect the upper end of the bumper, thereby increasing the stability of the integral connection, this structure has increased the stability that rear bumper connects, and has increased holistic crashworthiness to the practicality of device has been increased.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the split structure of the present invention;

fig. 3 is a schematic view of the front structure of the rear housing of the present invention.

In the figure: 1. a front housing; 2. a first lamp groove; 3. an upper clamping strip; 4. a lower clamping strip; 5. a rear housing; 6. an upper clamping groove; 7. a lower engaging groove; 8. a second lamp groove; 9. a buffer spring; 10. a cushion pad; 11. reinforcing the connecting plate; 12. reinforcing the screw hole; 13. and (4) screws.

Detailed Description

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

Referring to fig. 1-3, the present invention provides a technical solution: an anti-collision type automobile rear bumper structure with stable connection comprises a front shell 1 and a rear shell 5, wherein a first lamp groove 2 is arranged in the front shell 1, the back end of the front shell 1 is fixedly connected with an upper clamping strip 3 and a lower clamping strip 4 from top to bottom in sequence, the front end of the back shell 5 is provided with an upper clamping groove 6 and a lower clamping groove 7 from top to bottom in sequence, the upper clamping groove 6 and the lower clamping groove 7 are respectively clamped with the upper clamping strip 3 and the lower clamping strip 4, a second lamp groove 8 is arranged in the rear shell 5, a buffer spring 9 is fixedly connected at the front end of the rear shell 5, and the front end of the rear shell 5 is fixedly connected with a cushion pad 10, the cushion pad 10 is positioned at the lower end of the buffer spring 9, the upper end of the rear shell 5 is fixedly connected with a reinforcing connecting plate 11, and the reinforcing screw hole 12 is arranged in the reinforcing connecting plate 11, the rear end of the rear shell 5 is movably connected with a screw 13, and the rear shell 5 is detachably connected with the front shell 1 through the screw 13.

Further, procapsid 1 is the same with back 5 shapes of casing, and procapsid 1 corresponds the distribution with the inside first light trough 2 of back casing 5 and second light trough 8, procapsid 1 and back casing 5 can block each other to make holistic appearance seem not to take place too big change, first light trough 2 and second light trough 8 can protect car light simultaneously.

Further, the upper clamping strip 3 and the lower clamping strip 4 have the same length and width, the shapes and the sizes of the upper clamping strip 3 and the lower clamping strip 4 are matched with the shapes and the sizes of the upper clamping groove 6 and the lower clamping groove 7, and the upper clamping strip 3 and the lower clamping strip 4 can be clamped with the upper clamping groove 6 and the lower clamping groove 7, so that the front shell 1 and the rear shell 5 are stably connected.

Further, the length and width of the upper clamping groove 6 and the lower clamping groove 7 are equal, the depth of the upper clamping groove 6 and the depth of the lower clamping groove 7 are equal to the width of the upper clamping strip 3 and the width of the lower clamping strip 4, and when the upper clamping strip 3 and the lower clamping strip 4 are completely clamped with the upper clamping groove 6 and the lower clamping groove 7, the front end of the buffer spring 9 is attached to the rear end of the front shell 1, so that the buffer spring 9 has a good buffering effect.

Further, buffer spring 9 distributes at 5 front end intervals of back casing, and buffer spring 9 does not take place the length of buffer spring 9 when deformation is greater than the width of blotter 10, and buffer spring 9's length and last block strip 3 and the length of lower block strip 4 equal, and buffer spring 9 can contract when wholly receiving the striking, cushions procapsid 1 to reduce the impact force between procapsid 1 and the back casing 5, increased holistic crashworthiness.

Further, the shape of blotter 10 is the same with the shape of procapsid 1 and back casing 5, and blotter 10 upper end and buffer spring 9 do not laminate to the lower extreme of blotter 10 does not laminate with second light trough 8 upper end, and blotter 10 cushions procapsid 1 when buffer spring 9 contracts to a certain extent, makes this structure can possess double buffering effect receiving huge impact type.

The working principle is as follows: the automobile anti-collision device is characterized in that an upper clamping strip 3 and a lower clamping strip 4 at the rear end of a front shell 1 are aligned to an upper clamping groove 6 and a lower clamping groove 7 at the front end of a rear shell 5, so that the front shell 1 and the rear shell 5 are clamped, the front shell 1 and the rear shell 5 are fastened through screws 13, then the whole automobile is integrally mounted on an automobile, fixing screws are used for stably fixing the whole automobile at the rear end of the automobile through reinforcing screw holes 12 in a reinforcing connecting plate 11, when the rear end of the automobile receives collision, the front shell 1 is stressed and moves backwards, a buffer spring 9 of the front shell 1 is contracted to buffer the front shell 1 in the moving process, the impact force borne by the front shell 1 is reduced, the front shell 1 is in contact with a buffer pad 10 after a period of time, further buffering is carried out, and the whole anti.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a connect stable crashproof formula rear bumper structure, includes procapsid (1) and back casing (5), its characterized in that: the lamp is characterized in that a first lamp groove (2) is formed in the front shell (1), the rear end of the front shell (1) is fixedly connected with an upper clamping strip (3) and a lower clamping strip (4) from top to bottom, the front end of the rear shell (5) is provided with an upper clamping groove (6) and a lower clamping groove (7) from top to bottom, the upper clamping groove (6) and the lower clamping groove (7) are respectively clamped with the upper clamping strip (3) and the lower clamping strip (4) mutually, a second lamp groove (8) is formed in the rear shell (5), a buffer spring (9) is fixedly connected with the front end of the rear shell (5), a buffer cushion (10) is fixedly connected with the front end of the rear shell (5), the buffer cushion (10) is positioned at the lower end of the buffer spring (9), a reinforcing connecting plate (11) is fixedly connected with the upper end of the rear shell (5), and a reinforcing screw hole (12), the rear shell (5) is movably connected with a screw (13), and the rear shell (5) is detachably connected with the front shell (1) through the screw (13).

2. A stably connected crashworthy rear bumper structure for an automobile as claimed in claim 1, wherein: the front shell (1) and the rear shell (5) are identical in shape, and the first lamp groove (2) and the second lamp groove (8) in the front shell (1) and the rear shell (5) are distributed correspondingly.

3. A stably connected crashworthy rear bumper structure for an automobile as claimed in claim 1, wherein: the length and the width of the upper clamping strip (3) and the lower clamping strip (4) are equal, and the shapes and the sizes of the upper clamping strip (3) and the lower clamping strip (4) are matched with the shapes and the sizes of the upper clamping groove (6) and the lower clamping groove (7).

4. A stably connected crashworthy rear bumper structure for an automobile as claimed in claim 1, wherein: the length and width of the upper clamping groove (6) and the lower clamping groove (7) are equal, and the depth of the upper clamping groove (6) and the depth of the lower clamping groove (7) are equal to the width of the upper clamping strip (3) and the width of the lower clamping strip (4).

5. A stably connected crashworthy rear bumper structure for an automobile as claimed in claim 1, wherein: buffer spring (9) are in rear housing (5) front end interval distribution, and buffer spring (9) do not take place when deformation buffer spring (9) length of buffer spring (9) is greater than the width of blotter (10), and buffer spring (9) length and last block strip (3) and the length of lower block strip (4) equal.

6. A stably connected crashworthy rear bumper structure for an automobile as claimed in claim 1, wherein: the shape of blotter (10) is the same with the shape of procapsid (1) and back casing (5), and blotter (10) upper end and buffer spring (9) do not laminate to blotter (10) lower extreme and second light trough (8) upper end do not laminate.