CN212047243U

CN212047243U - Front bumper of electric automobile

Info

Publication number: CN212047243U
Application number: CN201922429000.4U
Authority: CN
Inventors: 龙宪军
Original assignee: Nanan Weisu Electronic Technology Co Ltd
Current assignee: Nanan Weisu Electronic Technology Co Ltd
Priority date: 2019-12-29
Filing date: 2019-12-29
Publication date: 2020-12-01
Anticipated expiration: 2029-12-29

Abstract

The utility model discloses an electric automobile front bumper, the structure of which comprises a top block, a side connecting block, an embedded groove, a separation net, a block body, a first exhaust port and an energy absorption box, when the bumper is impacted, the first stressed connecting rod on the energy absorption box is stressed to lead the stress to slide and buffer in a sliding buffer block under the action of a buffer spring, meanwhile, the stressed connecting rod is provided with a groove and a folding groove, the stressed connecting rod can be stressed to fold and buffer when the stressed connecting rod is stressed, finally, the force is transmitted to a sliding plate to lead the sliding plate to slide in the energy absorption groove, the energy absorption groove absorbs the next impact force, through improving the structure of equipment, the bumper can transmit the force to the energy absorption box only by two-stage buffering, the energy absorption box is deformed, and the impact force is prevented from being directly applied to the energy absorption box, weakening the subsequent energy absorption buffer.

Description

Front bumper of electric automobile

Technical Field

The utility model relates to an electric automobile front bumper belongs to electric automobile technical field.

Background

The car bumper is the safety device who absorbs and slow down external impact force, protection automobile body front and back portion, can receive the striking when the vehicle, warp the buffering fast, plays the effect of a protection buffering to the automobile body, but prior art still has following defect:

the bumper is provided with the energy absorption boxes for absorbing and buffering the impact received by the bumper, so that the buffering performance of the bumper is greatly improved, but the bumper is often welded and fixed with the energy absorption boxes in a connecting mode, so that the bumper directly receives the force on the energy absorption boxes after receiving large impact, the energy absorption boxes are stressed and deformed quickly, and the absorption and buffering of the energy absorption boxes on subsequent impact force are reduced.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing an electric automobile front bumper, it absorbs the buffering to be equipped with the impact that the energy-absorbing box received to the bumper on the prior art current bumper of solution more, with the shock-absorbing capacity of improving the bumper greatly, nevertheless bumper often adopts welded fastening with the connected mode of energy-absorbing box, lead to the bumper receiving great impact back, directly with the atress in the energy-absorbing box, make the quick atress of energy-absorbing box warp, thereby the problem of the absorption buffering of energy-absorbing box to follow-up impact force has been reduced.

In order to achieve the above purpose, the present invention is realized by the following technical solution: the structure of the front bumper of the electric automobile comprises a top block, a side connecting block, an embedded groove, a separation net, a block body, a first exhaust port and an energy absorption box, wherein the bottom end of the top block is welded with the top end of the block body, the embedded groove and the middle part of the block body are of an integrated structure, the separation net is positioned under the embedded groove, the right part of the block body is provided with the first exhaust port, the front end of the energy absorption box is embedded and installed on the rear end of the block body, the energy absorption box comprises an energy absorption rod, a connecting plate, an energy absorption groove, a buffering clamping plate, a second exhaust port, a sliding buffering block, a groove, a folding groove, a compression connecting rod, a buffering spring and a sliding plate, the right end of the energy absorption rod is welded with the middle part of the left end of the connecting plate, the energy absorption groove and the buffering clamping plate are of an integrated structure, the second exhaust port is arranged on the sliding plate, the sliding buffering block, the folding grooves are formed in the upper end and the lower end of the compression connecting rod, the right end of the compression connecting rod is welded with the left end of the buffer spring, the right end of the buffer spring is welded with the left end of the sliding plate, the sliding plate is movably contacted with the buffer clamping plate, and the front end of the compression connecting rod is embedded and installed on the rear end of the block body.

Further, the bottom end of the side connecting block is welded with the top end of the block body.

Further, the separation net is embedded in the middle of the block body.

Further, the side connecting block is positioned at the left of the top block.

Furthermore, the buffering cardboard adopts aluminium alloy material to prop up and makes, has better hardness.

Further, the folding groove is of a regular trapezoid groove structure.

Further, the energy absorption rods are perpendicular to the connecting plates.

Advantageous effects

The utility model relates to an electric automobile front bumper, come its fixed mounting on the front end of car through kicking block and side connecting block on the block, make it play an anticollision effect to the car, when the bumper receives the striking, the pressurized connecting rod on messenger's energy-absorbing box of atress first, make its atress slide the buffering to sliding buffer block under buffer spring's effect, be equipped with recess and folding groove on the pressurized connecting rod simultaneously, can make pressurized connecting rod atress folding buffering when the pressurized connecting rod is atress, transmit power to the sliding plate at last, make it slide in the energy-absorbing groove, let the energy-absorbing groove absorb the impact force that comes down, through the structure of improved equipment, make the bumper when receiving the impact, carry out two-stage buffer and just can transmit power to the energy-absorbing box, make it warp the energy-absorbing, avoid the impact force to receive directly to act on the energy-absorbing box, weakening the subsequent energy absorption buffer.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural view of a front bumper of an electric vehicle according to the present invention;

FIG. 2 is a schematic cross-sectional detailed structure view of a right side view of the energy absorption box of the present invention;

fig. 3 is a schematic cross-sectional detailed structure diagram of the energy-absorbing box when the right view of the energy-absorbing box of the present invention is running.

In the figure: the energy-saving device comprises a top block-1, side connecting blocks-2, an embedded groove-3, a separation net-4, a block-5, an exhaust port-6, an energy absorption box-7, an energy absorption rod-71, a connecting plate-72, an energy absorption groove-73, a buffer clamping plate-74, an exhaust port-75, a sliding buffer block-76, a groove-77, a folding groove-78, a pressure connecting rod-79, a buffer spring-710 and a sliding plate-711.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1, fig. 2 and fig. 3, the present invention provides a technical solution of a front bumper of an electric vehicle: the structure of the energy-absorbing box comprises a top block 1, a side connecting block 2, an embedded groove 3, a separation net 4, a block 5, a first exhaust port 6 and an energy-absorbing box 7, wherein the bottom end of the top block 1 is welded with the top end of the block 5, the middle part of the embedded groove 3 and the middle part of the block 5 are of an integrated structure, the separation net 4 is positioned under the embedded groove 3, the first exhaust port 6 is arranged at the right part of the block 5, the front end of the energy-absorbing box 7 is embedded and installed at the rear end of the block 5, the energy-absorbing box 7 comprises an energy-absorbing rod 71, a connecting plate 72, an energy-absorbing groove 73, a buffer clamping plate 74, a second exhaust port 75, a sliding buffer block 76, a groove 77, a folding groove 78, a compression connecting rod 79, a buffer spring 710 and a sliding plate 711, the right end of the energy-absorbing rod 71 is welded with the middle part of the left end of the connecting plate, the sliding buffer block 76 is horizontally embedded in the left end of the energy absorption groove 73, the groove 77 and the compression connecting rod 79 are of an integrated structure, the folding grooves 78 are provided at the upper and lower ends of the compression connecting rod 79, the right end of the compression connecting rod 79 is welded to the left end of the buffer spring 710, the right end of the buffer spring 710 is welded with the left end of the sliding plate 711, the sliding plate 711 is movably contacted with the buffer catch plate 74, the front end of the compression connecting rod 79 is embedded and installed on the rear end of the block body 5, the bottom end of the side connecting block 2 is welded with the top end of the block body 5, the separation net 4 is embedded in the middle of the block body 5, the side connecting block 2 is positioned at the left of the top block 1, the buffer clamping plate 74 is made of aluminum alloy materials and has good hardness, the folding groove 78 is of a regular trapezoid groove structure, and the energy absorption rod 71 is perpendicular to the connecting plate 72.

For example, when an installer mounts a bumper, the installer fixes the bumper on the front end of the automobile through the top block 1 and the side connecting block 2 on the block 5 to protect the automobile from collision, when the bumper is impacted, the first stress is applied to the compression connecting rod 79 on the energy absorption box 7, the stress is applied to the compression connecting rod 79 under the action of the buffer spring 710 to slide and buffer in the sliding buffer block 76, meanwhile, the compression connecting rod 79 is provided with the groove 77 and the folding groove 78, when the compression connecting rod 79 is stressed, the compression connecting rod 79 is stressed and folded to buffer, and finally, the force is transmitted to the sliding plate 711, and is enabled to slide in the energy absorption groove 73, and the impact force of the energy absorption groove 73 on the next part is absorbed.

The utility model solves the problem that the bumper in the prior art is provided with an energy absorption box to absorb and buffer the impact on the bumper, so as to greatly improve the buffer performance of the bumper, but the connection mode of the bumper and the energy absorption box is often welded and fixed, so that the bumper directly bears the force on the energy absorption box after being greatly impacted, and the energy absorption box is quickly stressed and deformed, thereby reducing the problem of absorbing and buffering the subsequent impact force by the energy absorption box, through the mutual combination of the components, the bumper is fixedly arranged on the front end of the automobile through the top block 1 and the side connecting block 2 on the block body 5, so that the bumper plays a role of anti-collision protection for the automobile, when the bumper is impacted, the stressed connecting rod 79 on the energy absorption box 7 is firstly stressed, and the stress is buffered in the sliding buffer block 76 under the action of the buffer spring 710, meanwhile, the groove 77 and the folding groove 78 are formed in the compression connecting rod 79, the compression connecting rod 79 can be stressed to be folded and buffered when the compression connecting rod 79 is stressed, force is transmitted to the sliding plate 711 finally, the sliding plate slides in the energy absorption groove 73, the energy absorption groove 73 absorbs the next impact force, and through the structure of the improved equipment, the bumper is enabled to be subjected to two-stage buffering when being impacted, the force can be transmitted to the energy absorption box only through the two-stage buffering, so that the bumper deforms and absorbs energy, the impact force is prevented from being directly applied to the energy absorption box, and the subsequent energy absorption buffering is weakened.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an electric automobile front bumper, its structure includes kicking block (1), side connection piece (2), embedded groove (3), separates net (4), block (5), gas vent (6), energy-absorbing box (7), its characterized in that:

the bottom end of the top block (1) is welded with the top end of the block body (5), the side connecting block (2) is located on the left side of the top block (1), the middle part of the embedded groove (3) and the block body (5) is of an integrated structure, the separation net (4) is located under the embedded groove (3), the right part of the block body (5) is provided with a first exhaust port (6), the front end of the energy absorption box (7) is embedded and installed on the rear end of the block body (5), the energy absorption box (7) comprises an energy absorption rod (71), a connecting plate (72), an energy absorption groove (73), a buffering clamping plate (74), a second exhaust port (75), a sliding buffering block (76), a groove (77), a folding groove (78), a compression connecting rod (79), a buffering spring (710) and a sliding plate (711), the right end of the energy absorption rod (71) is welded with the middle part of the left end of the connecting plate (72), the energy absorption groove (73) and the buffering clamping plate (, the exhaust port II (75) is arranged on the sliding plate (711), the sliding buffer block (76) is horizontally embedded into the left end of the energy absorption groove (73), the groove (77) and the compression connecting rod (79) are of an integrated structure, the folding groove (78) is arranged at the upper end and the lower end of the compression connecting rod (79), the right end of the compression connecting rod (79) is welded with the left end of the buffer spring (710), the right end of the buffer spring (710) is welded with the left end of the sliding plate (711), the sliding plate (711) is movably contacted with the buffer clamping plate (74), and the front end of the compression connecting rod (79) is embedded and installed on the rear end of the block body (5).

2. An electric vehicle front bumper according to claim 1, characterized in that: the bottom of side connecting block (2) welds mutually with the top of block (5), separate the middle part at block (5) of net (4) embedding installation.

3. An electric vehicle front bumper according to claim 1, characterized in that: the folding groove (78) is of a regular trapezoid groove structure.

4. An electric vehicle front bumper according to claim 1, characterized in that: the energy absorption rods (71) are perpendicular to the connecting plates (72).