CN215475464U - Automobile bumper - Google Patents

Abstract

The utility model relates to the technical field of vehicle manufacturing and discloses an automobile bumper.A first guide boss is arranged on each of the left part and the right part of the bumper, a first positioning hole is arranged on a first fixing support, a second positioning hole is arranged on a second fixing support, the first guide boss on the left part of the bumper is matched with the first positioning hole, and the first guide boss on the right part of the bumper is matched with the second positioning hole; and the two ends of the middle part of the bumper are respectively provided with a second guide boss, the left part and the right part of the bumper are respectively provided with a third positioning hole, and the second guide bosses are matched with the third positioning holes. First direction boss plays the guide location effect to bumper left part and bumper right part, and the second direction boss plays the guide location effect to the bumper middle part, makes things convenient for the clearance between later stage adjustment bumper left part, bumper middle part and the bumper right part, and the assembly is simpler. The bumper comprises a bumper left part, a bumper middle part and a bumper right part, so that the bumper is easier to operate during installation, and the labor intensity is reduced.

Description

Automobile bumper

Technical Field

The utility model relates to the technical field of vehicle manufacturing, in particular to an automobile bumper.

Background

The automobile bumper is a safety device for absorbing and relieving external impact force and protecting the front part and the rear part of an automobile body. Traditional automobile front and rear bumpers are made into channel steel by steel plate punching, riveted or welded together with a frame longitudinal beam, have a large gap with an automobile body, and are very unattractive. With the development of the automobile industry and the extensive use of engineering plastics in the automobile industry, automobile bumpers have also been revolutionized as an important safety device. The conventional automobile front and rear bumpers are required to be harmonious and uniform with the shape of an automobile body and also to be light in weight besides the original protection function. The front and rear bumpers of the automobile are made of plastics, and the plastic bumper of the general automobile is composed of three parts, namely an outer plate, a buffer material and a cross beam, wherein the outer plate and the buffer material are made of plastics, the cross beam is formed by stamping cold-rolled sheets, and the outer plate and the buffer material are attached to the cross beam.

In the prior art, the common assembly method of the bumper is to fix the bumper and the frame directly through a fastener. Because the bumper has more parts and different fixing standards, the gap control among the parts is a difficult point of assembly when the bumper is assembled. Moreover, the bumper is usually provided with a headlamp, the weight of the bumper is large, and the assembly method of the bumper in the prior art is high in labor intensity.

SUMMERY OF THE UTILITY MODEL

In view of the above problems, an object of the present invention is to provide an automobile bumper, which is easily assembled with a simple structure in which gaps between members are easily controlled when the bumper is installed, and which can reduce labor intensity.

In order to achieve the purpose, the utility model adopts the following technical scheme:

an automobile bumper comprises a bumper left part, a bumper middle part, a bumper right part, a first fixing support and a second fixing support;

the first fixing support and the second fixing support are both mounted on a frame, first guide bosses are arranged on the left portion of the bumper and the right portion of the bumper, a first positioning hole is formed in the first fixing support, a second positioning hole is formed in the second fixing support, the first guide boss on the left portion of the bumper is matched with the first positioning hole, and the first guide boss on the right portion of the bumper is matched with the second positioning hole;

the bumper is characterized in that second guide bosses are arranged at two ends of the middle of the bumper, third positioning holes are formed in the left portion of the bumper and the right portion of the bumper, and the second guide bosses are matched with the third positioning holes.

In a preferred aspect of the bumper of the present invention, the bumper further includes first fastening members, and the left portion of the bumper and the first fixing bracket, and the right portion of the bumper and the second fixing bracket are fixedly connected by the first fastening members.

As a preferable aspect of the bumper of the present invention, each of the first fixing bracket and the second fixing bracket includes a bracket body, and a first extending portion and a second extending portion that are provided on the bracket body, each of the left bumper portion and the right bumper portion is provided with a first mounting hole, each of the first extending portion and the second extending portion is provided with a second mounting hole, the first fastening member includes a fastening bolt and a nut, and the fastening bolt passes through the first mounting hole and the second mounting hole and is connected to the nut.

As a preferable aspect of the bumper for an automobile of the present invention, a plurality of the first guide bosses are respectively disposed on the left portion and the right portion of the bumper, the first extension portion and the second extension portion of the first fixing bracket are respectively provided with the first positioning hole, the first extension portion and the second extension portion of the second fixing bracket are respectively provided with the second positioning hole, the plurality of the first guide bosses on the left portion of the bumper correspond to the first positioning holes of the first extension portion and the second extension portion of the first fixing bracket one to one, and the plurality of the first guide bosses on the right portion of the bumper correspond to the second positioning holes of the first extension portion and the second extension portion of the second fixing bracket one to one.

In a preferred embodiment of the bumper of the present invention, the bumper further includes second fastening members, and the left portion of the bumper and the middle portion of the bumper, and the right portion of the bumper and the middle portion of the bumper are fixedly connected by the second fastening members.

As a preferable aspect of the bumper of the present invention, the bumper further includes a third fastening member, and the first fixing bracket and the second fixing bracket are both fixed to the vehicle frame by the third fastening member.

As a preferable aspect of the bumper of the present invention, the bracket body of the first fixing bracket and the bracket body of the second fixing bracket are both provided with a third extending portion, and the third fastening member penetrates through the third extending portion and is connected to the vehicle frame.

As a preferable aspect of the bumper of the present invention, the first positioning hole is a circular hole, and the second positioning hole is a strip-shaped hole.

As a preferable aspect of the bumper for an automobile of the present invention, the second guide bosses are provided in plurality on the middle portion of the bumper, the third positioning holes are provided in each of the left portion and the right portion of the bumper, and the second guide bosses correspond to the third positioning holes one to one.

As a preferable aspect of the bumper for an automobile of the present invention, a bumper grille is provided on a middle portion of the bumper.

The utility model has the beneficial effects that:

when the automobile bumper provided by the utility model is assembled, the first fixing support and the second fixing support are firstly installed on a frame. Secondly, installing the left part and the right part of the bumper, specifically, aligning a first guide boss of the left part of the bumper with a first positioning hole on a first fixing support, and penetrating through the first positioning hole to place the left part of the bumper on the first fixing support. Similarly, the first guide boss on the right portion of the bumper is aligned with the second positioning hole on the second fixing support and penetrates through the second positioning hole, so that the right portion of the bumper is placed on the second fixing support. Then, the bumper middle part is installed, specifically, the second guide boss at one end of the bumper middle part is aligned with the third positioning hole at the left part of the bumper, the second guide boss at the other end is aligned with the third positioning hole at the right part of the bumper, and the bumper middle part is pushed to enable the second guide boss to pass through the third positioning hole, so that the bumper middle part is placed on the left part and the right part of the bumper. And finally, adjusting gaps among the left part of the bumper, the middle part of the bumper and the right part of the bumper, fixing the left part of the bumper on the first fixing support, fixing the right part of the bumper on the second fixing support, and finally fixing the middle part of the bumper, the left part of the bumper and the right part of the bumper, so that the three parts are connected together to finish the assembly of the bumper. According to the utility model, through the matching of the first guide boss and the first positioning hole or the second positioning hole and the matching of the second guide boss and the third positioning hole, the first guide boss can play a role in guiding and positioning the left part and the right part of the bumper when the bumper is installed, and the second guide boss can play a role in guiding and positioning the middle part of the bumper, so that the adjustment of the gaps among the left part, the middle part and the right part of the bumper at the later stage is facilitated, and the assembly is simpler. In addition, because the bumper is split type, and first direction boss can be to bumper left part and bumper right part location, and the second direction boss can be to bumper middle part location, therefore when installation and adjustment bumper clearance, the operation is easier, can reduce intensity of labour.

Drawings

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

FIG. 1 is an exploded schematic view of an automotive bumper provided in accordance with an embodiment of the present invention;

FIG. 2 is a schematic view of the structure of the left portion of the bumper beam of the vehicle bumper beam according to the embodiment of the present invention;

FIG. 3 is a schematic view of a bumper center portion of an automotive bumper according to an embodiment of the present invention;

FIG. 4 is a schematic view of a first mounting bracket of a bumper beam according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a second fixing bracket of a bumper of an automobile according to an embodiment of the present invention.

In the figure:

1-bumper left part; 2-middle part of bumper; 3-right part of bumper; 4-a first fixed support; 5-second fixation

Fixing a bracket; 7-a second fastener; 8-a bumper grille;

11-a first guide boss; 12-a third positioning hole; 13-a first mounting hole; 14-a fourth mounting hole;

21-a second guide boss; 22-a third mounting hole;

41-a stent body; 42-a first extension; 43-a second extension; 44-a third extension;

421-a first positioning hole; 422-second mounting hole; 423-fifth mounting hole;

441-a first plate; 442-a second plate;

51-a second positioning hole;

61-fastening bolts; 62-nut.

Detailed Description

In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 5, the present embodiment provides an automobile bumper including a bumper left portion 1, a bumper middle portion 2, a bumper right portion 3, and first and second fixing brackets 4 and 5 mounted on a vehicle frame.

Referring to fig. 1 and 2, the first guide bosses 11 are provided on both the left bumper portion 1 and the right bumper portion 3. Referring to fig. 4, the first fixing bracket 4 is provided with a first positioning hole 421. Referring to fig. 5, the second fixing bracket 5 is provided with a second positioning hole 51. The first guide boss 11 of the bumper left portion 1 is fitted with the first positioning hole 421, and the first guide boss 11 of the bumper right portion 3 is fitted with the second positioning hole 51. Referring to fig. 3, second guide bosses 21 are provided at both ends of the bumper middle portion 2. Third positioning holes 12 are formed in the left bumper portion 1 and the right bumper portion 3, and the second guide boss 21 is matched with the third positioning holes 12. Through the cooperation of first direction boss 11 and first locating hole 421 or second locating hole 51, and the cooperation of second direction boss 21 and third locating hole 12, first direction boss 11 can play the guide orientation effect to bumper left part 1 and bumper right part 3 during the installation bumper, second direction boss 21 can play the guide orientation effect to bumper middle part 2, make things convenient for later stage adjustment bumper left part 1, the clearance between bumper middle part 2 and the bumper right part 3, the assembly is simpler. In addition, because the bumper is split type, the first guide boss 11 can be used for positioning the left portion 1 and the right portion 3 of the bumper, and the second guide boss 21 can be used for positioning the middle portion 2 of the bumper, the operation is easier when the bumper clearance is installed and adjusted, and the labor intensity can be reduced.

Optionally, the first positioning hole 421 is a circular hole, as shown in fig. 4. The second positioning holes 51 are bar-shaped holes, as shown in fig. 5. Design into the bar hole with second locating hole 51, when adjusting the interval between bumper left part 1, bumper middle part 2 and the bumper right part 3 in the later stage, the bar hole can provide great regulation clearance, conveniently controls the position of adjustment bumper right part 3, and then can guarantee the installation accuracy of bumper.

Optionally, the automobile bumper further comprises a first fastener, when the positions of the bumper left portion 1 and the bumper right portion 3 are adjusted, the bumper left portion 1 is fixedly connected with the first fixing bracket 4 by using the first fastener, and the bumper right portion 3 is fixedly connected with the second fixing bracket 5 by using the first fastener.

As shown in fig. 4 and 5, optionally, each of the first fixing bracket 4 and the second fixing bracket 5 includes a bracket body 41, and a first extending portion 42 and a second extending portion 43 provided on the bracket body 41, each of the bumper left portion 1 and the bumper right portion 3 is provided with a first mounting hole 13, and each of the first extending portion 42 and the second extending portion 43 is provided with a second mounting hole 422. In the present embodiment, referring to fig. 1, the first fastening member includes a fastening bolt 61 and a nut 62. Referring to fig. 2 and 4, when the left bumper portion 1 and the right bumper portion 3 are mounted and fixed, the fastening bolt 61 sequentially penetrates through the first mounting hole 13 and the second mounting hole 422, and then the nut 62 is screwed to connect the left bumper portion 1 with the first fixing bracket 4, and the right bumper portion 3 is connected with the second fixing bracket 5.

In this embodiment, two first mounting holes 13 are disposed on each of the left bumper portion 1 and the right bumper portion 3, and correspondingly, one second mounting hole 422 is disposed on each of the first extending portion 42 and the second extending portion 43, one first mounting hole 13 of the left bumper portion 1 corresponds to the second mounting hole 422 of the first extending portion 42 of the first fixing bracket 4, and the other first mounting hole 13 corresponds to the second mounting hole 422 of the second extending portion 43 of the first fixing bracket 4. One first mounting hole 13 of the bumper right portion 3 corresponds to the second mounting hole 422 of the first extension portion 42 of the second fixing bracket 5, and the other first mounting hole 13 corresponds to the second mounting hole 422 of the second extension portion 43 of the second fixing bracket 5. When the left bumper part 1 and the right bumper part 3 are fixed, two fastening bolts 61 and two nuts 62 are respectively used for locking, so that stable connection is guaranteed.

Optionally, a plurality of first guide bosses 11 are disposed on each of the left bumper portion 1 and the right bumper portion 3, and specifically, as shown in fig. 2 of the present embodiment, two first guide bosses 11 are disposed on each of the left bumper portion 1 and the right bumper portion 3 at intervals. The first extending portion 42 and the second extending portion 43 of the first fixing bracket 4 are both provided with a first positioning hole 421, and the first extending portion 42 and the second extending portion 43 of the second fixing bracket 5 are both provided with a second positioning hole 51. Specifically, in fig. 4 and 5 of the present embodiment, a first positioning hole 421 is disposed on each of the first extending portion 42 and the second extending portion 43 of the first fixing bracket 4, and a second positioning hole 51 is disposed on each of the first extending portion 42 and the second extending portion 43 of the second fixing bracket 5. For the first fixing bracket 4, the two first guide bosses 11 of the bumper left portion 1 correspond to the first positioning holes 421 of the first extending portion 42 and the first positioning holes 421 of the second extending portion 43, respectively. For the second fixing bracket 5, the two first guide bosses 11 of the bumper right portion 3 correspond to the second positioning holes 51 of the first extending portion 42 and the second positioning holes 51 of the second extending portion 43, respectively. Set up two first direction bosss 11 and can guarantee more stable when fixing a position bumper left part 1 and bumper right part 3. In other embodiments, three or more first guide bosses 11 may be provided, and the number of the first guide bosses 11 is not limited herein.

Optionally, referring to fig. 1, the automobile bumper further comprises a second fastening member 7, and the left bumper portion 1 and the middle bumper portion 2, and the right bumper portion 3 and the middle bumper portion 2 are fixedly connected through the second fastening member 7. In this embodiment, the second fastening member 7 includes a bolt and a nut, the third mounting holes 22 (shown in fig. 3) are provided at both ends of the bumper middle portion 2, the fourth mounting holes 14 (shown in fig. 2) are provided at both the bumper left portion 1 and the bumper right portion 3, and the fifth mounting holes 423 (shown in fig. 4 and 5) are provided at both the second extending portion 43 of the first fixing bracket 4 and the second extending portion 43 of the second fixing bracket 5. When the bumper middle part 2 is fixed, the bolts sequentially pass through the third mounting hole 22, the fourth mounting hole 14 and the fifth mounting hole 423, and then the nuts are screwed.

Optionally, the bumper further comprises a third fastener, and the first fixing bracket 4 and the second fixing bracket 5 are both fixed on the frame by the third fastener. In this embodiment, the bracket body 41 of the first fixing bracket 4 and the bracket body 41 of the second fixing bracket 5 are both provided with a third extending portion 44, and a third fastening member penetrates through the third extending portion 44 and is connected with the frame. Specifically, the third extending portion 44 includes a first plate 441 and a second plate 442 that are disposed at an interval, sixth mounting holes are disposed on the first plate 441 and the second plate 442, a mounting plate is disposed on the frame, and a third fastener sequentially passes through the sixth mounting holes of the first plate 441 and the sixth mounting holes of the second plate 442 and then is connected to the mounting plate, so as to mount the first fixing bracket 4 and the second fixing bracket 5 on the frame.

Optionally, a plurality of second guide bosses 21 are provided on the bumper middle portion 2, a plurality of third positioning holes 12 are provided on each of the bumper left portion 1 and the bumper right portion 3, and the plurality of second guide bosses 21 correspond to the plurality of third positioning holes 12 one to one. Specifically, in fig. 3 of the present embodiment, two second guide bosses 21 are provided at both ends of the bumper middle portion 2 at intervals. Accordingly, as shown in fig. 2, two third positioning holes 12 are provided in each of the bumper left portion 1 and the bumper right portion 3. When the bumper middle part 2 is installed, the two second guide bosses 21 at one end are respectively aligned with the two third positioning holes 12 of the bumper left part 1, and the two second guide bosses 21 at the other end are respectively aligned with the two third positioning holes 12 of the bumper right part 3 correspondingly. Set up two second direction bosss 21 and can guarantee more stable when fixing a position bumper middle part 2. In other embodiments, three or more second guide bosses 21 may be provided, and the number of the second guide bosses 21 is not limited herein.

Optionally, chamfers are disposed at the tops of the first guide boss 11 and the second guide boss 21 in this embodiment, so that when the bumper left portion 1, the bumper right portion 3 and the bumper middle portion 2 are installed, the first guide boss 11 can conveniently penetrate into the first positioning hole 421 or the second positioning hole 51, and the second guide boss 21 can conveniently penetrate into the third positioning hole 12.

Further, the first guiding boss 11 is in a truncated cone structure, that is, the diameter of the top of the first guiding boss 11 is smaller than that of the bottom. Preferably, the height of the first guide boss 11 is 46mm, the maximum diameter of the bottom of the first guide boss 11 is 14mm, and the length of the first guide boss 11 is much greater than the thickness of the first extension portion 42 and the second extension portion 43, so as to ensure that the left portion 1 of the bumper can be placed on the first fixing bracket 4 through the first guide boss 11, and the right portion 3 of the bumper can be placed on the second fixing bracket 5 through the first guide boss 11. The second guide boss 21 is cylindrical, preferably, the height of the second guide boss 21 is 46mm, the diameter is 10mm, and the thickness of the mounting surface of the left bumper portion 1 and the thickness of the mounting surface of the right bumper portion 3 are both far smaller than the length of the second guide boss 21, so that the bumper middle portion 2 can be placed on the left bumper portion 1 and the right bumper portion 3 through the second guide boss 21.

In this embodiment, the diameter of the first positioning hole 421 is 15mm, which is larger than the maximum diameter of the first guide boss 11. The second positioning hole 51 has a width of 15mm and a length of 21 mm. The diameter of the third positioning hole 12 is 10.5mm, which is larger than the diameter of the second guide boss 21.

As shown in fig. 1, a bumper grille 8 is optionally provided on the bumper center 2. The front of bumper middle part 2 is provided with the mounting groove, and bumper grid 8 is fixed in the mounting groove. The bumper grille 8 is a passage between the outside and the engine compartment, and air enters the engine compartment through the bumper grille 8 to take away heat of the radiator, so that the cooling effect can be achieved. In addition, the bumper grille 8 can reduce air resistance while playing a role in appearance, and the active closing of the bumper grille 8 is beneficial to reducing the resistance in an engine compartment.

The automobile bumper provided by the embodiment has the following assembling process:

first, the first and second fixing brackets 4 and 5 are mounted on the frame using the third fastening member. Next, the bumper left portion 1 and the bumper right portion 3 are installed, specifically, the two first guide bosses 11 of the bumper left portion 1 are aligned with the first positioning holes 421 of the first extension portions 42 and the first positioning holes 421 of the second extension portions 43 of the first fixing bracket 4, respectively, and pass through the first positioning holes 421, so that the bumper left portion 1 is placed on the first fixing bracket 4. Similarly, the two first guide bosses 11 of the right bumper portion 3 are aligned with the second positioning holes 51 of the first extension portion 42 and the second positioning holes 51 of the second extension portion 43 of the second fixing bracket 5, respectively, and pass through the second positioning holes 51 to place the right bumper portion 3 on the second fixing bracket 5. Subsequently, the two fastening bolts 61 are used to sequentially pass through the two first mounting holes 13 of the bumper left portion 1 and the two second mounting holes 422 of the first fixing bracket 4, and the nuts 62 are screwed to pre-fix the bumper left portion 1 (at this time, the nuts 62 are not screwed, so that the position of the bumper left portion 1 can be adjusted later). Likewise, the two first mounting holes 13 of the bumper right portion 3 and the two second mounting holes 422 of the second fixing bracket 5 are sequentially passed through using the two fastening bolts 61, and the nut 62 is screwed to pre-position the bumper right portion 3.

Then, the bumper middle portion 2 is installed, specifically, the second guide boss 21 of one end of the bumper middle portion 2 is aligned with the third positioning hole 12 of the bumper left portion 1, and the second guide boss 21 of the other end is aligned with the third positioning hole 12 of the bumper right portion 3, and the bumper middle portion 2 is pushed so that the second guide boss 21 passes through the third positioning hole 12, to place the bumper middle portion 2 on the bumper left portion 1 and the bumper right portion 3. And then, the bolts of the second fastening piece 7 sequentially pass through the third mounting hole 22, the fourth mounting hole 14 and the fifth mounting hole 423, and the bumper middle part 2 is pre-positioned by screwing nuts. Finally, the clearance between the bumper left part 1, the bumper middle part 2 and the bumper right part 3 is adjusted, the nut 62 of the first fastening piece and the nut of the second fastening piece 7 are sequentially screwed after adjustment, so that the bumper left part 1 is fixed on the first fixing support 4, the bumper right part 3 is fixed on the second fixing support 5, the bumper middle part 2 is fixed on the bumper left part 1 and the bumper right part 3, the three parts are connected and fixed together, the relative position of the three parts is not changed any more, the clearance is ensured, and the bumper assembly is completed.

It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments illustrated herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims (10)

1. An automobile bumper is characterized by comprising a bumper left part (1), a bumper middle part (2), a bumper right part (3), a first fixed support (4) and a second fixed support (5);

the first fixing support (4) and the second fixing support (5) are mounted on a frame, first guide bosses (11) are arranged on the left portion (1) and the right portion (3) of the bumper respectively, first positioning holes (421) are formed in the first fixing support (4), second positioning holes (51) are formed in the second fixing support (5), the first guide bosses (11) of the left portion (1) of the bumper are matched with the first positioning holes (421), and the first guide bosses (11) of the right portion (3) of the bumper are matched with the second positioning holes (51);

the bumper is characterized in that second guide bosses (21) are arranged at two ends of the middle part (2) of the bumper, third positioning holes (12) are arranged on the left part (1) and the right part (3) of the bumper, and the second guide bosses (21) are matched with the third positioning holes (12).

2. The vehicle bumper according to claim 1, further comprising first fasteners, wherein the first fasteners are used for connecting and fixing the left bumper portion (1) and the first fixing bracket (4) and the second bumper portion (3) and the second fixing bracket (5).

3. The vehicle bumper according to claim 2, wherein the first fixing bracket (4) and the second fixing bracket (5) each include a bracket body (41) and a first extension portion (42) and a second extension portion (43) provided on the bracket body (41), the bumper left portion (1) and the bumper right portion (3) each have a first mounting hole (13) provided thereon, the first extension portion (42) and the second extension portion (43) each have a second mounting hole (422) provided thereon, and the first fastening member includes a fastening bolt (61) and a nut (62), and the fastening bolt (61) passes through the first mounting hole (13) and the second mounting hole (422) and is connected to the nut (62).

4. The vehicle bumper according to claim 3, wherein a plurality of the first guide bosses (11) are provided on each of the bumper left portion (1) and the bumper right portion (3), the first extending part (42) and the second extending part (43) of the first fixing bracket (4) are both provided with the first positioning hole (421), the first extending part (42) and the second extending part (43) of the second fixing bracket (5) are both provided with the second positioning hole (51), a plurality of first guide bosses (11) of the left part (1) of the bumper correspond to first positioning holes (421) of a first extension part (42) and a second extension part (43) of the first fixing bracket (4) one by one, the first guide bosses (11) of the right portion (3) of the bumper correspond to the first extending portions (42) of the second fixing support (5) and the second positioning holes (51) of the second extending portions (43) one by one.

5. The vehicle bumper according to claim 3, further comprising a second fastening member (7), wherein the second fastening member (7) is used to connect and fix the left bumper portion (1) and the middle bumper portion (2) and the right bumper portion (3) and the middle bumper portion (2).

6. The vehicle bumper of claim 3, further comprising a third fastener by which the first fixing bracket (4) and the second fixing bracket (5) are both fixed to the vehicle frame.

7. The vehicle bumper according to claim 6, wherein the bracket body (41) of the first fixing bracket (4) and the bracket body (41) of the second fixing bracket (5) are provided with third extensions (44), and the third fastening member penetrates through the third extensions (44) and is connected to the vehicle frame.

8. The vehicle bumper according to claim 1, wherein the first positioning hole (421) is a circular hole, and the second positioning hole (51) is a strip-shaped hole.

9. The vehicle bumper according to claim 1, wherein the second guide bosses (21) are provided in plural on the bumper center portion (2), the bumper left portion (1) and the bumper right portion (3) are each provided with a plurality of the third positioning holes (12), and the plurality of second guide bosses (21) correspond to the plurality of third positioning holes (12) one-to-one.

10. The vehicle bumper according to any one of claims 1 to 9, characterised in that a bumper grille (8) is arranged on the bumper middle section (2).

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