Bumper assembly and vehicle

Abstract

The utility model discloses a bumper assembly and a vehicle, the bumper assembly comprises a bumper body, the bumper body is provided with a lower guard plate installation area, the two sides of the lower guard plate installation area in the height direction are respectively provided with a first lap joint edge and a second lap joint edge, the first lap joint edge is provided with a first connecting device, and the second lap joint edge is provided with a second connecting device. A second connecting device is arranged on the second overlapping edge; a third lap joint edge and a fourth lap joint edge are formed on the lower protection plate, a third connecting device matched with the first connecting device is arranged on the third lap joint edge, and a fourth connecting device matched with the second connecting device is arranged on the fourth lap joint edge; wherein the first lap joint edge and the third lap joint edge are in limiting fit in the front-back direction, and the second lap joint edge and the fourth lap joint edge are in limiting fit in the height direction. According to the bumper assembly, the bumper body and the lower protection plate are connected more stably, and mounting and dismounting are quite convenient.

Description

Technical Field

[0001] The utility model relates to the field of vehicles, in particular to a bumper assembly and a vehicle. Background Art

[0002] In the prior art, automobile bumpers are mostly made of plastic injection molding. According to the requirements of shape and anti-scratch, the lower part of the bumper is mostly divided into a lower guard plate. The common connection method between the lower guard plate and the bumper is snap-on or screw-on. During the use of the vehicle, there are often slight impacts or scratches in different directions. The simple snap-on structure is unstable and will cause the lower guard plate to fall off. The screw-on method will make the assembly complicated, and the screw-on method is often set on the back. If the lower guard plate needs to be replaced, the entire bumper needs to be disassembled, and the maintainability is poor. Therefore, how to optimize the connection structure between the lower guard plate and the bumper, ensure the stable connection of the lower guard plate, and improve the maintainability of the lower guard plate has become a problem to be solved urgently in this field. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, one purpose of the utility model is to provide a bumper assembly. In the bumper assembly of the utility model, the connection between the bumper body and the lower guard plate is more stable, and the installation and disassembly are very convenient.

[0004] The utility model also provides a vehicle with the bumper assembly.

[0005] According to the utility model, the bumper assembly includes: a bumper body, a lower guard plate installation area is formed on the bumper body, a first overlapping edge and a second overlapping edge are respectively arranged on both sides of the lower guard plate installation area in the height direction, a first connecting device is arranged on the first overlapping edge, and a second connecting device is arranged on the second overlapping edge; a lower guard plate, a third overlapping edge and a fourth overlapping edge are formed on the lower guard plate, a third connecting device cooperating with the first connecting device is arranged on the third overlapping edge, and a fourth connecting device cooperating with the second connecting device is arranged on the fourth overlapping edge; wherein the first overlapping edge cooperates with the third overlapping edge in the front and rear directions, and the second overlapping edge cooperates with the fourth overlapping edge in the height direction.

[0006] According to the bumper assembly of the utility model, a lower guard plate installation area is provided on the bumper body for installing the lower guard plate, a first overlap edge and a second overlap edge are respectively provided on both sides of the height direction of the lower guard plate installation area, a first connection device is provided on the first overlap edge, a second connection device is provided on the second overlap edge, a third overlap edge and a fourth overlap edge are formed on the lower guard plate, the first overlap edge and the third overlap edge are limited in the front and rear directions, and the second overlap edge and the fourth overlap edge are limited in the height direction. Through such a design, the bumper body and the lower guard plate can be firmly connected together to form a complete bumper assembly. At the same time, this design also takes into account the convenience and stability of installation, making the installation process simpler, and the bumper assembly after installation is more solid and reliable.

[0007] According to some embodiments of the utility model, the first connecting device is constructed as a plurality of devices and are spaced apart in the extension direction of the first overlapping edge, the third connecting device is constructed as a plurality of devices corresponding one to one to the first connecting device and are spaced apart in the extension direction of the third overlapping edge, and the first connecting device and the third connecting device are clamped and fixed in the front-to-back direction.

[0008] According to some embodiments of the utility model, the first connecting device is formed with a clamping hole extending in the front-to-back direction, and the third connecting device is constructed as a clamping portion cooperating with the clamping hole, wherein the clamping portion is formed with a clamping surface clamped with the peripheral wall of the clamping hole, and the clamping portion is suitable for passing through the clamping hole and stopping the clamping surface with the peripheral wall of the clamping hole to limit the position in the length direction.

[0009] According to some embodiments of the present invention, the clamping portion is movably disposed on the third overlapping edge so as to selectively perform limiting cooperation with the clamping hole.

[0010] According to some embodiments of the utility model, the second connecting device includes: a guide hole, which extends in the length direction; the fourth connecting device includes: a guide plug, which extends in the length direction and is suitable for being inserted into the guide hole, and the guide plug abuts against the inner wall of the guide hole to achieve height limitation.

[0011] According to some embodiments of the utility model, the second connecting device also includes: a first guide edge, the first guide edge extends away from the second overlapping edge in the length direction, and a first matching hole penetrating in the height direction is formed on the first guide edge; the fourth connecting device also includes: a second guide edge, the second guide edge extends in the length direction, and a second matching hole matching with the first matching hole is formed on the second guide edge, and the first matching hole and the second matching hole can be opposite in the height direction and connected by bolts.

[0012] According to some embodiments of the utility model, a connecting nut is provided on the first guide edge, a connecting screw hole directly opposite to the first matching hole is formed on the nut, and a connecting thread is formed on the inner wall of the connecting screw hole.

[0013] According to some embodiments of the present utility model, a guide plate is provided on the guide plug, and the guide plate is arranged perpendicular to the guide plug.

[0014] According to some embodiments of the present invention, a guiding bevel extending in the length direction and away from the guiding insert in the height direction is formed on the guide plate.

[0015] A vehicle according to another embodiment of the present invention will be briefly described below.

[0016] The vehicle according to the utility model has the bumper assembly described in any one of the above-mentioned embodiments. Since the vehicle according to the utility model has the bumper assembly described in any one of the above-mentioned embodiments, the connection between the bumper body and the lower guard plate is more stable, and the installation and disassembly are more convenient, the vehicle safety is higher, and the maintenance cost is lower.

[0017] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0019] Figure 1 is an overall assembly diagram of a bumper assembly according to an embodiment of the utility model;

[0020] Figure 2 is a structural diagram of a bumper body of a bumper assembly according to an embodiment of the utility model;

[0021] Figure 3 It is a structural diagram of a lower guard plate of a bumper assembly according to an embodiment of the utility model;

[0022] Figure 4 is an overall structural diagram of a bumper assembly according to an embodiment of the utility model;

[0023] Figure 5 yes Figure 4 Middle AA section;

[0024] Figure 6 yes Figure 4 Middle BB cross section;

[0025] Figure 7 yes Figure 4 Middle CC cross section;

[0026] Figure 8 It is a structural diagram of a clamping portion of a bumper assembly according to an embodiment of the utility model;

[0027] Fig. 9 It is a structural diagram of a first guide edge and a second guide edge of a bumper assembly according to an embodiment of the utility model;

[0028] Fig.10 The utility model is a structural diagram of a guide insert of a bumper assembly according to an embodiment of the utility model.

[0029] Reference numerals:

[0030] Bumper assembly 1;

[0031] Bumper body 11, first overlapping edge 111, second overlapping edge 112;

[0032] Lower guard plate 12, third overlapping edge 121, fourth overlapping edge 122;

[0033] A clamping hole 131 and a clamping portion 132;

[0034] Guide hole 141, guide insert 142, guide plate 1421, guide bevel 14211;

[0035] First guide edge 151 , first matching hole 1511 , connecting nut 1512 , second guide edge 152 , second matching hole 1521 . DETAILED DESCRIPTION

[0036] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0037] In the prior art, automobile bumpers are mostly made of plastic injection molding. According to the requirements of shape and anti-scratch, the lower part of the bumper is mostly divided into a lower guard plate. The common connection method between the lower guard plate and the bumper is snap-on or screw-on. During the use of the vehicle, there are often slight impacts or scratches in different directions. The simple snap-on structure is unstable and will cause the lower guard plate to fall off. The screw-on method will make the assembly complicated, and the screw-on method is often set on the back. If the lower guard plate needs to be replaced, the entire bumper needs to be disassembled, and the maintainability is poor. Therefore, how to optimize the connection structure between the lower guard plate and the bumper, ensure the stable connection of the lower guard plate, and improve the maintainability of the lower guard plate has become a problem to be solved urgently in this field.

[0038] Reference below Figure 1-Figure 10 A bumper assembly according to an embodiment of the present invention is described.

[0039] According to the utility model, the bumper assembly 1 includes: a bumper body 11, a lower guard plate 12 installation area is formed on the bumper body 11, a first overlapping edge 111 and a second overlapping edge 112 are respectively arranged on both sides of the height direction of the lower guard plate 12 installation area, a first connecting device is arranged on the first overlapping edge 111, and a second connecting device is arranged on the second overlapping edge 112; a lower guard plate 12, a third overlapping edge 121 and a fourth overlapping edge 122 are formed on the lower guard plate 12, a third connecting device cooperating with the first connecting device is arranged on the third overlapping edge 121, and a fourth connecting device cooperating with the second connecting device is arranged on the fourth overlapping edge 122; wherein the first overlapping edge 111 and the third overlapping edge 121 are limitedly matched in the front-rear direction, and the second overlapping edge 112 and the fourth overlapping edge 122 are limitedly matched in the height direction.

[0040] Specifically, the bumper body 11 is a main part of the bumper assembly 1, and a lower guard plate 12 installation area is provided on the bumper body 11 for installing the lower guard plate 12. Two overlapping edges are provided on both sides of the height direction (i.e., the up and down direction) of the lower guard plate 12 installation area, respectively: a first overlapping edge 111 and a second overlapping edge 112. The two overlapping edges are used to connect with the lower guard plate 12. The first overlapping edge 111 is equipped with a first connecting device, and the second overlapping edge 112 is equipped with a second connecting device. The first connecting device and the second connecting device are respectively used to cooperate with the lower guard plate 12. In the installation area of ​​the lower guard plate 12 installed on the bumper body 11, two overlapping edges are formed on the lower guard plate 12: a third overlapping edge 121 and a fourth overlapping edge 122. The two overlapping edges correspond to the first overlapping edge 111 and the second overlapping edge 112 on the bumper body 11. The third overlapping edge 121 is provided with a third connection device that cooperates with the first connection device, and the fourth overlapping edge 122 is provided with a fourth connection device that cooperates with the second connection device. The first overlapping edge 111 and the third overlapping edge 121 are limited in the front-to-back direction to ensure that the lower guard plate 12 is stably installed on the bumper body 11 in the front-to-back direction. The second overlapping edge 112 and the fourth overlapping edge 122 are limited in the height direction to further ensure the stability of the lower guard plate 12 in the vertical direction.

[0041] According to the bumper assembly 1 of the utility model, a lower guard plate 12 installation area is provided on the bumper body 11 for installing the lower guard plate 12, a first overlap edge 111 and a second overlap edge 112 are respectively provided on both sides of the height direction of the lower guard plate 12 installation area, a first connection device is provided on the first overlap edge 111, and a second connection device is provided on the second overlap edge 112, a third overlap edge 121 and a fourth overlap edge 122 are formed on the lower guard plate 12, the first overlap edge 111 and the third overlap edge 121 are limited in the front and rear directions, and the second overlap edge 112 and the fourth overlap edge 122 are limited in the height direction. Through such a design, the bumper body 11 and the lower guard plate 12 can be firmly connected together to form a complete bumper assembly 1. At the same time, this design also takes into account the convenience and stability of installation, making the installation process simpler, and the bumper assembly 1 after installation is more firm and reliable.

[0042] According to some embodiments of the utility model, the first connecting device is constructed as a plurality of devices and are spaced apart in the extension direction of the first lap edge 111, the third connecting device is constructed as a plurality of devices corresponding one-to-one to the first connecting device and are spaced apart in the extension direction of the third lap edge 121, and the first connecting device and the third connecting device are clamped and fixed in the front-to-back direction.

[0043] Specifically, the first connecting device provided on the first overlapping edge 111 of the present bumper assembly 1 is not a single structure, but is composed of a plurality of units, and these units are arranged at intervals in the extension direction of the first overlapping edge 111. Such a design can enhance the stability of the connection and disperse the stress, and prevent the breakage or damage that may be caused by the single-point connection. Correspondingly, the third connecting device on the third overlapping edge 121 is also composed of a plurality of units, and these units are arranged at intervals in the extension direction of the third overlapping edge 121, and correspond one to one with the units of the first connecting device. This corresponding arrangement can ensure that each unit of the first connecting device can find a matching third connecting device unit, thereby achieving the best connection effect. More importantly, the connection between the first connecting device and the third connecting device is fixed by snap-fitting in the front-back direction. The snap-fitting fixing method is not only easy to operate, but also has a reliable connection, can resist the impact of external forces to a certain extent, and protect the integrity of the bumper assembly 1. At the same time, this snap-fitting method also allows for quick disassembly and replacement when necessary, thereby improving the maintainability and repairability of the bumper assembly 1.

[0044] According to some embodiments of the utility model, the first connecting device is formed with a clamping hole 131 extending in the front-to-back direction, and the third connecting device is constructed as a clamping portion 132 that cooperates with the clamping hole 131, wherein the clamping portion 132 is formed with a clamping surface that is clamped with the surrounding wall of the clamping hole 131, and the clamping portion 132 is suitable for passing through the clamping hole 131 and stopping the clamping surface with the surrounding wall of the clamping hole 131 to limit the position in the length direction.

[0045] Specifically, a clamping hole 131 extending in the front-to-back direction is formed on the first connecting device, and the third connecting device is constructed as a clamping portion 132 matched with the clamping hole 131. A specific clamping surface is formed on the clamping portion 132, and these clamping surfaces are designed to be tightly fitted with the peripheral wall of the clamping hole 131. During installation, the clamping portion 132 of the third connecting device will pass through the clamping hole 131 of the first connecting device, and then the clamping surface on it will be stopped against the peripheral wall of the clamping hole 131. This stopping method not only ensures the stable connection between the first connecting device and the third connecting device in the front-to-back direction, but also realizes the limit in the length direction through the design of the clamping surface, further enhancing the stability of the connection. This design makes it difficult for the first connecting device and the third connecting device to be separated when the bumper assembly 1 is impacted by external force, thereby ensuring the stability and safety of the entire bumper assembly 1. At the same time, this clamping connection method also makes disassembly and replacement simpler and more convenient.

[0046] According to some embodiments of the present invention, the clamping portion 132 can be movably disposed on the third overlapping edge 121 to selectively perform limiting cooperation with the clamping hole 131 .

[0047] Specifically, the clamping portion 132 is designed to be movably arranged on the third overlapping edge 121. This means that the clamping portion 132 is not fixedly connected to the third overlapping edge 121, but has a certain range of motion or adjustability. This mobility enables the clamping portion 132 to selectively limit the engagement with the clamping hole 131 on the first connecting device as required. When installation or connection is required, the clamping portion 132 can be moved to a position corresponding to the clamping hole 131, and stop against the surrounding wall of the clamping hole 131 through the action of the clamping surface to achieve a stable connection. When disassembly or adjustment is required, the clamping portion 132 can also be detached from the clamping hole 131, providing sufficient flexibility. This design not only enhances the maintainability and repairability of the bumper assembly 1, but also allows the connection position to be fine-tuned in certain circumstances to adapt to different installation requirements or environmental conditions. At the same time, the movable clamping portion 132 also helps to improve the convenience and efficiency of installation.

[0048] According to some embodiments of the utility model, the second connecting device includes a guide hole 141 and a guide plug 142, and the guide hole 141 extends in the length direction; the fourth connecting device includes: the guide plug 142 extends along the length direction and is suitable for being inserted into the guide hole 141, and the guide plug 142 abuts against the inner wall of the guide hole 141 to achieve height direction limitation.

[0049] Specifically, the second connecting device is provided with a guide hole 141, which extends in the length direction. The main function of the guide hole 141 is to provide a reference for insertion and positioning of the fourth connecting device. The fourth connecting device includes a guide plug 142, which also extends in the length direction. The design of the guide plug 142 enables it to be accurately inserted into the guide hole 141 of the second connecting device. When the guide plug 142 is fully inserted into the guide hole 141, it will tightly stop against the inner wall of the guide hole 141, thereby achieving the limit in the height direction. This design ensures the stable connection of the bumper body 11 and the lower guard plate 12 in the height direction. The cooperation of the guide hole 141 and the guide plug 142 not only makes the installation process simpler and more accurate, but also enhances the stability and durability of the connection structure. When the vehicle collides, this design can effectively prevent the bumper assembly 1 from loosening or falling off, thereby ensuring the safety of the vehicle and passengers.

[0050] According to some embodiments of the utility model, the second connecting device also includes a first guide edge 151, which extends away from the second overlapping edge 112 in the length direction, and a first matching hole 1511 is formed on the first guide edge 151 and passes through the height direction; the fourth connecting device also includes: a second guide edge 152, which extends in the length direction, and a second matching hole 1521 is formed on the second guide edge 152 to match the first matching hole 1511, and the first matching hole 1511 and the second matching hole 1521 can be opposite to each other in the height direction and connected by bolts.

[0051] Specifically, the first guide edge 151 extends away from the second overlap edge 112 in the length direction, and a first matching hole 1511 is formed on the first guide edge 151, which penetrates in the height direction, and the first matching hole 1511 provides a position for bolt connection. Correspondingly, the fourth connecting device is provided with a second guide edge 152, which extends in the length direction, and a second matching hole 1521 matching with the first matching hole 1511 is formed on the second guide edge 152. When the second connecting device and the fourth connecting device are connected, the first matching hole 1511 and the second matching hole 1521 can be directly opposite in the height direction, and then connected by bolts. This design further enhances the connection stability between the bumper body 11 and the lower guard plate 12. Through the bolt connection, the connection between the second connecting device and the fourth connecting device is more secure and can withstand greater external force impact. At the same time, the cooperation between the guide hole 141 and the guide insert 142, and the bolt connection between the first matching hole 1511 and the second matching hole 1521, together form a multi-level connection system, making the structure of the entire bumper assembly 1 more stable and reliable.

[0052] According to some embodiments of the present invention, a connecting nut 1512 is provided on the first guide edge 151 , a connecting screw hole directly opposite to the first matching hole 1511 is formed on the nut, and a connecting thread is formed on the inner wall of the connecting screw hole.

[0053] Specifically, a connecting nut 1512 is provided on the first guide edge 151 of the second connecting device. The connecting nut 1512 can be constructed as a sheet nut, and its shape and size are designed to fit tightly on the first guide edge 151 without significantly increasing the overall volume or weight. A connecting screw hole that is opposite to the first matching hole 1511 is formed on the connecting nut 1512, which means that when the first matching hole 1511 and the second matching hole 1521 are opposite, the connecting screw hole will also be opposite to the second matching hole 1521. Connecting threads are processed on the inner wall of the connecting screw hole, and these threads are used to match the threads on the bolt to achieve a fastening connection. During the installation process, the guide plug 142 is first inserted into the guide hole 141 to achieve preliminary positioning in the height direction, and then the bolt is passed through the second matching hole 1521 and the first matching hole 1511, and is tightened with the connecting thread in the connecting screw hole. In this way, a solid connection is formed between the second connecting device and the fourth connecting device, ensuring the stability and reliability between the bumper body 11 and the lower guard plate 12. This design not only simplifies the installation process, but also improves the stability and durability of the connection. At the same time, since the connecting nut 1512 adopts the form of a sheet nut, the entire connecting structure is more compact, which is conducive to saving space and reducing weight.

[0054] According to some embodiments of the present invention, a guide plate 1421 is disposed on the guide insert 142 , and the guide plate 1421 is disposed perpendicular to the guide insert 142 .

[0055] Specifically, the guide plate 1421 is arranged perpendicular to the guide plug 142, and its main function is to assist the guide plug 142 to be smoothly and accurately inserted into the guide hole 141 of the second connecting device. During the insertion process, the guide plate 1421 can play a guiding and alignment role to ensure the alignment and matching between the guide plug 142 and the guide hole 141. This can not only reduce the error during installation and improve the installation efficiency, but also enhance the stability and reliability of the connection. In addition, the design of the guide plate 1421 can also enhance the structural strength of the guide plug 142, making it more durable. When the vehicle collides, the guide plate 1421 can help to withstand and disperse the impact force and protect the guide plug 142 from being easily damaged. The design of the guide plate 1421 makes the installation more convenient and accurate, while improving the stability and reliability of the connection structure.

[0056] According to some embodiments of the present invention, a guiding bevel 14211 extending in the length direction and away from the guiding insert 142 in the height direction is formed on the guiding plate 1421 .

[0057] Specifically, a guiding bevel 14211 is further formed on the guiding plate 1421 provided on the guiding plug 142 of the fourth connecting device. The guiding bevel 14211 extends in the length direction and is away from the guiding plug 142 in the height direction. The main function of the guiding bevel 14211 is to provide additional guiding and auxiliary alignment functions during the installation process. When the guiding plug 142 approaches or is inserted into the guiding hole 141, the guiding bevel 14211 will first contact the second connecting device to play a guiding role, ensuring that the guiding plug 142 can smoothly and accurately enter the guiding hole 141. This design can reduce the resistance during installation and make the installation process smoother. In addition, the design of the guiding bevel 14211 also helps to automatically adjust the alignment between the guiding plug 142 and the guiding hole 141 during the installation process. Even if there is a slight deviation in the initial position, the guiding bevel 14211 can help the guiding plug 142 gradually adjust to the correct position through its tilt angle. The design of the guiding bevel 14211 further enhances the function of the guiding plate 1421, making the installation of the bumper assembly 1 more convenient and accurate, and improving the stability and reliability of the connecting structure.

[0058] The vehicle according to the present utility model is briefly described below.

[0059] The vehicle according to the utility model has the bumper assembly 1 described in any one of the above-mentioned embodiments. Since the vehicle according to the utility model has the bumper assembly 1 described in any one of the above-mentioned embodiments, the connection between the bumper body 11 and the lower guard plate 12 is more stable, and the installation and disassembly are more convenient, the vehicle safety is higher, and the maintenance cost is lower.

[0060] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0061] In the description of the present invention, "first feature" or "second feature" may include one or more of the features.

[0062] In the description of the present invention, "plurality" means two or more.

[0063] In the description of the present invention, a first feature being “above” or “below” a second feature may include that the first and second features are directly in contact with each other, or may include that the first and second features are not in direct contact but are in contact with each other via another feature therebetween.

[0064] In the description of the present invention, a first feature “above”, “over” and “above” a second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is horizontally higher than the second feature.

[0065] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0066] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A bumper assembly, characterized in that: include: A bumper body (11), wherein a lower guard plate (12) installation area is formed on the bumper body (11), a first overlapping edge (111) and a second overlapping edge (112) are respectively arranged on both sides of the lower guard plate (12) installation area in a height direction, a first connecting device is arranged on the first overlapping edge (111), and a second connecting device is arranged on the second overlapping edge (112); A lower guard plate (12), wherein a third overlapping edge (121) and a fourth overlapping edge (122) are formed on the lower guard plate (12), a third connecting device cooperating with the first connecting device is arranged on the third overlapping edge (121), and a fourth connecting device cooperating with the second connecting device is arranged on the fourth overlapping edge (122); wherein The first overlapping edge (111) and the third overlapping edge (121) are limited in position in the front-rear direction, and the second overlapping edge (112) and the fourth overlapping edge (122) are limited in position in the height direction.

2. The bumper assembly according to claim 1, characterized in that: The first connecting device is constructed as a plurality of devices and are spaced apart in the extension direction of the first overlapping edge (111); the third connecting device is constructed as a plurality of devices corresponding one-to-one to the first connecting device and are spaced apart in the extension direction of the third overlapping edge (121); the first connecting device and the third connecting device are clamped and fixed in the front-to-back direction.

3. The bumper assembly according to claim 2, characterized in that: The first connecting device is formed with a clamping hole (131) extending in the front-to-back direction, and the third connecting device is configured as a clamping portion (132) matched with the clamping hole (131), wherein The clamping portion (132) is formed with a clamping surface that is clamped with the peripheral wall of the clamping hole (131), and the clamping portion (132) is suitable for passing through the clamping hole (131) and abutting the clamping surface against the peripheral wall of the clamping hole (131) to limit the position in the length direction.

4. The bumper assembly according to claim 3, characterized in that: The clamping portion (132) can be movably arranged on the third overlapping edge (121) so as to selectively perform limiting cooperation with the clamping hole (131).

5. The bumper assembly according to claim 1, characterized in that: The second connecting device comprises: A guide hole (141), wherein the guide hole (141) extends in a length direction; The fourth connecting device comprises: a guide plug (142), the guide plug (142) extending along the length direction and suitable for being inserted into the guide hole (141), the guide plug (142) abutting against the inner wall of the guide hole (141) to achieve height direction limitation.

6. The bumper assembly according to claim 5, characterized in that: The second connecting device also includes: A first guide edge (151), the first guide edge (151) extending away from the second overlapping edge (112) in the length direction, and a first matching hole (1511) penetrating in the height direction is formed on the first guide edge (151); The fourth connecting device also includes: A second guide edge (152), the second guide edge (152) extends in the length direction, and a second matching hole (1521) matching with the first matching hole (1511) is formed on the second guide edge (152), and the first matching hole (1511) and the second matching hole (1521) can be opposite in the height direction and connected by bolts.

7. The bumper assembly according to claim 6, characterized in that: A connecting nut (1512) is provided on the first guide edge (151), and a connecting screw hole directly opposite to the first matching hole (1511) is formed on the nut, and a connecting thread is formed on the inner wall of the connecting screw hole.

8. The bumper assembly according to claim 5, characterized in that: A guide plate (1421) is arranged on the guide plug piece (142), and the guide plate (1421) is arranged perpendicular to the guide plug piece (142).

9. The bumper assembly according to claim 8, characterized in that: The guide plate (1421) is formed with a guide bevel (14211) extending in the length direction and away from the guide insert (142) in the height direction.

10. A vehicle, characterized in that: A bumper assembly comprising any one of claims 1-9.

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