Front bumper and grille trim mounting structure, bumper system, and vehicle

Abstract

The application discloses a front bumper and grille decoration piece mounting structure, a bumper system and a car, and relates to the field of automobile exterior decoration, which comprises a front bumper body, a connecting plate and a grille decoration piece, the front bumper body is provided with a plurality of air inlets, and a fixed flange is arranged on the side of the air inlets; the connecting plate is provided with a groove, the inner wall of the groove is provided with a first limiting rib, and the first limiting rib forms X-direction and Y-direction limiting when the groove is in plug-in cooperation with the fixed flange; a plurality of side cantilever clamping claws are arranged on the edge of the groove, the grille decoration piece is provided with a clamping hole corresponding to the side cantilever clamping claws in one-to-one mode, and the side cantilever clamping claws are clamped with the clamping hole. The application increases the connecting plate as a mounting hub, reduces the limitation of the mounting structure on the modeling of the front bumper body, makes the modeling and the arrangement of the decoration piece more flexible, improves the decoration effect of the front bumper, and the structure is reliable.

Description

Technical Field

[0001] This invention relates to the field of automotive exterior decoration, and more particularly to a front bumper and grille trim mounting structure, a bumper system, and an automobile. Background Technology

[0002] In the design of bumper systems for new energy vehicles, there are generally two appearance structures: one is a fully enclosed front bumper without a radiator grille; the other is a front bumper where the bumper body and radiator grille are integrated (hereinafter referred to as a fused front bumper). Since fused front bumpers lack sufficient features for decorative component installation structures, or where such installation structures would negatively impact their appearance (e.g., shrinkage, flow marks), currently existing fused front bumpers typically only have simple openings on the fully enclosed bumper body to meet air intake functionality, without any decorative components to enhance aesthetics.

[0003] For example, Chinese Patent (Publication No. CN 107618471A, Publication Date 2018.01.23) discloses a car bumper for new energy vehicles, including a bumper body, an air intake grille installed below the license plate frame, buffer mechanisms installed on both sides of the inner bottom end of the bumper body, an arc-shaped steel plate installed on the inner side of the boss, a compression spring installed inside the spring groove, and a baffle installed at the top of the compression spring; Chinese Patent (Publication No. CN 217623442U, Publication Date 2022.10.21) discloses a bumper specifically for new energy vehicles, including a main body; a first decorative area is provided on the main body, and a second decorative area is provided below the first decorative area; the first decorative area is used to install a central grille, and the second decorative area is used to install a lower grille; the central grille includes a decorative element and a sealing element movably connected to the decorative element.

[0004] None of the above solutions can meet the installation requirements of the decorative parts without affecting the appearance of the front bumper. Summary of the Invention

[0005] To address the shortcomings of existing technologies, the present invention aims to provide a front bumper and grille trim installation structure, a bumper system, and a vehicle. By adding a connecting plate as a mounting hub, the limitations imposed by the installation structure on the front bumper body shape are reduced, making the shape and arrangement of trim pieces more flexible; the decorative effect of the front bumper is improved, and the structure is reliable.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solution:

[0007] In a first aspect, embodiments of the present invention provide a front bumper and grille trim installation structure, including a front bumper body, a connecting plate, and a grille trim. The front bumper body has a plurality of air intake holes, and a fixed flange is provided around the air intake holes. The connecting plate has a groove, and a first limiting rib is provided on the inner wall of the groove. When the groove and the fixed flange are inserted and engaged, the first limiting rib forms X-direction and Y-direction limiting. A plurality of side cantilever claws are provided on the edge of the groove. The grille trim has a snap-fit ​​hole that corresponds one-to-one with the side cantilever claws, and the side cantilever claws snap into the snap-fit ​​hole.

[0008] As a further implementation, the side cantilever chuck includes a chuck body, with a chuck head on one side and several second limiting ribs on the other side;

[0009] The claw head and the second limiting rib are used to engage with the locking hole along the X direction.

[0010] As a further implementation, the claw body is provided with a second limiting rib at both ends, and the second limiting rib can form a Y-direction limiting.

[0011] As a further implementation, the second limiting rib is a stepped structure, with its stepped surface serving as a supporting surface, and the supporting surface and the claw head forming an X-direction limiting;

[0012] The second limiting rib has an inclined guide surface at one end.

[0013] As a further implementation, the connecting plate is also provided with several bosses, which are attached to and welded to the front bumper body.

[0014] As a further implementation, the boss is disposed between adjacent grooves.

[0015] As a further implementation, the front bumper body or connecting plate is provided with positioning posts, and the grille decorative piece is provided with corresponding positioning holes. The positioning posts and positioning holes cooperate to form a Z-direction limit.

[0016] As a further implementation, the fixed flange is perpendicular to the outer surface of the front bumper body.

[0017] Secondly, embodiments of the present invention also provide a bumper system, including the aforementioned front bumper and grille trim mounting structure.

[0018] Thirdly, embodiments of the present invention also provide an automobile including the aforementioned bumper system.

[0019] The beneficial effects of this invention are as follows:

[0020] (1) The connecting plate of the present invention cooperates with the fixed flange of the front bumper body through the groove and the first limiting rib, and the connecting plate cooperates with the grille decoration through the side cantilever claw, which ensures the connection stability of the front bumper body, the connecting plate and the grille decoration; by adding a connecting plate between the front bumper body and the grille decoration, the restriction of the installation structure on the shape of the front bumper body is reduced.

[0021] (2) The side cantilever claw of the present invention is provided with a claw head on one side and a second limiting rib on the other side. The supporting surfaces of the claw head and the second limiting rib enable the connecting plate to move in the front-rear direction of the vehicle. At the same time, the second limiting rib contacts the inner wall of the snap-fit ​​hole of the grille trim, thereby preventing the grille trim from moving in the left-right direction of the vehicle. Therefore, through the cooperation between the side cantilever claw and the snap-fit ​​hole, the connection stability of the connecting plate and the grille trim can be guaranteed, and the movement in the front-rear and left-right directions of the vehicle can be avoided.

[0022] (3) The connecting plate of the present invention is connected to the fixed flange through the groove, and the connecting plate is provided with a boss, which is welded and fixed to the front bumper body; the connection reliability between the connecting plate and the front bumper body is enhanced by the plug-in welding action. Attached Figure Description

[0023] The accompanying drawings, which form part of this invention, are used to provide a further understanding of the invention. The illustrative embodiments of the invention and their descriptions are used to explain the invention and do not constitute an improper limitation of the invention.

[0024] Figure 1(a) is an assembly diagram of the installation structure of the present invention according to one or more embodiments;

[0025] Figure 1(b) is a magnified view of part A in Figure 1(a);

[0026] Figure 2 This is an exploded view of the installation structure according to one or more embodiments of the present invention;

[0027] Figure 3 This is a schematic diagram of the air inlet and fixed flange structure according to one or more embodiments of the present invention;

[0028] Figure 4 This is an isometric view of the connecting plate according to one or more embodiments of the present invention;

[0029] Figure 5 This is a schematic diagram of the side cantilever chuck structure according to one or more embodiments of the present invention;

[0030] Figure 6 This is an isometric view of a grille trim piece according to one or more embodiments of the present invention;

[0031] Figure 7(a) is a schematic diagram of the side cantilever claw and the locking hole according to one or more embodiments of the present invention;

[0032] Figure 7(b) is a schematic diagram of the engagement between the side cantilever claw and the locking hole according to one or more embodiments of the present invention. Figure 2 ;

[0033] Figure 8 This is the BB cross-section view of Figure 1(b).

[0034] Among them, 100 is the front bumper body, 200 is the connecting plate, 300 is the grille decoration, 101 is the fixed flange, 102 is the air intake, 210 is the boss, 220 is the side cantilever claw, 221 is the claw head, 222 is the guide surface, 223 is the support surface, 224 is the second limiting rib, 230 is the first limiting rib, 240 is the groove, and 310 is the snap-fit ​​hole. Detailed Implementation

[0035] It should be noted that the following detailed description is illustrative and intended to provide further explanation of the invention. Unless otherwise specified, all technical and scientific terms used in this invention have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains.

[0036] For ease of description, the words "up," "down," "left," and "right" appearing in this invention only indicate that they are consistent with the up, down, left, and right directions of the accompanying drawings themselves, and do not limit the structure. They are merely for the purpose of facilitating the description of this invention and simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0037] Example 1:

[0038] Since existing bumpers cannot meet the installation requirements of decorative parts without affecting their appearance, this embodiment provides a front bumper and grille decorative part installation structure, referring to Figure 1(a) and... Figure 2 As shown, it includes a front bumper body 100, a connecting plate 200, and a grille trim 300. By adding a connecting plate 200 between the front bumper body 100 and the grille trim 300, the restrictions on the shape of the front bumper body 100 by the installation structure are reduced, making the shape and arrangement of the grille trim 300 more flexible.

[0039] Specifically, in combination Figure 2 and Figure 3As shown, the front bumper body 100 has multiple air intake holes 102, which are strip-shaped holes with their length direction along the height direction of the vehicle body (i.e., the Z-direction). A fixing flange 101 is provided along the edge of the air intake hole 102, and the fixing flange 101 protrudes from the surface of the front bumper body 100 to form an annular closed structure; and the fixing flange 101 is perpendicular to the outer surface of the front bumper body 100. When the connecting plate 200 is assembled with the front bumper body 100, the fixing flange 101 provides a limiting function in the left and right direction (i.e., the Y-direction) for the connecting plate 200 and the grille trim 300.

[0040] To mate with the fixed flange 101, the connecting plate 200 has a groove 240 corresponding to the air inlet 102, and the groove 240 is arranged as follows: Figure 4 As shown, the left and right mating surfaces inside the groove 240 are provided with first limiting ribs 230. The first limiting ribs 230 are horizontally arranged, and multiple first limiting ribs 230 are distributed on the inner wall of the groove 240. When the connecting plate 200 mates with the front bumper body 100, the fixing flange 101 is inserted into the groove 240. The first limiting ribs 230, in conjunction with the insertion of the fixing flange 101 into the groove 240, simultaneously limit the connecting plate 200 in the front-rear direction and the left-right direction of the vehicle.

[0041] It should be noted that in this embodiment, the front, back, left, and right are referenced to the direction of the vehicle.

[0042] A boss 210 is provided between adjacent grooves 240, in conjunction with Figure 4 and Figure 8 As shown, the boss 210 is fitted to the front bumper body 100. The boss 210 is connected to the front bumper body 100 by ultrasonic welding to increase the reliability of the structure. The shape of the boss 210 can be set according to the actual connection strength and arrangement space. In this embodiment, the cross-section of the boss 210 is rectangular to ensure the contact area between the boss 210 and the front bumper body 100.

[0043] Several side cantilever claws 220 are provided along the edge of the groove 240. These side cantilever claws 220 engage with the snap-fit ​​holes 310 on the grille trim 300 to connect the connecting plate 200 to the grille trim. Figure 5 As shown in Figure 7, the side cantilever chuck 220 includes a chuck body, a chuck head 221, and a second limiting rib 224. The chuck body has a certain height. To facilitate the side cantilever chuck 220 entering the locking hole 310, the top of the chuck body (with...) Figure 5 (The direction shown is for reference) It has an inclined surface that can guide the side cantilever claw 220 into the locking hole 310.

[0044] The main body of the claw is provided with a claw head 221 on one side, which protrudes from the surface of the claw body; the other side of the claw body is provided with several second limiting ribs 224, which, together with the claw head 221, can simultaneously limit the connecting plate 200 along the X and Y directions; where X refers to the front-to-back direction of the vehicle and Y refers to the left-to-right direction of the vehicle.

[0045] Specifically, the top of the claw head 221 has an inclined surface, which also serves a guiding function; the longitudinal cross-section of the claw head 221 is triangular or trapezoidal. In this embodiment, the claw body is provided with two second limiting ribs 224, which are located near the end of the claw body. The two second limiting ribs 224 are symmetrically arranged relative to the claw head 221, and the Y-direction limiting is achieved by the second limiting ribs 224 abutting against the side wall of the locking hole 310.

[0046] like Figure 5 As shown in Figures 7(a) and 7(b), the second limiting rib 224 is provided on the back of the claw body. It has a stepped structure. The stepped surface formed by the second limiting rib 224 is the support surface 223. The support surface 223 and the bottom surface of the claw head 221 are at different heights. The bottom surface of the claw head 221 is located on the upper side of the support surface 223. When the side cantilever claw 220 is inserted into the locking hole 310, the bottom surface of the claw head 221 contacts one side surface of the grille decoration 300, and the support surface 223 contacts the other side surface of the grille decoration 300, thereby forming an effective limit in the X direction and ensuring the reliability of the connection between the grille decoration 300 and the connecting plate 200.

[0047] According to the view directions of Figures 7(a) and 7(b), a guide surface 222 is provided at the top of the second limiting rib 224. The guide surface 222 is an inclined surface, and its inclined direction is opposite to the inclined direction of the top surface of the claw body. The connecting surface between the guide surface 222 and the support surface 223 is a vertical surface.

[0048] Referring to Figures 1(b), 7(a), and 7(b), when the grille trim 300 is assembled with the connecting plate 200, the side cantilever claw 220 is inserted into the locking hole 310. The claw head 221 engages with the locking hole 310 in the longitudinal direction of the vehicle, preventing the grille trim 300 from dislodging rearward. Similarly, the support surface 223 of the second limiting rib 224 engages with the locking hole 310 in the longitudinal direction of the vehicle, preventing the grille trim 300 from moving forward. The vertical surface of the second limiting rib 224 engages with the side wall of the locking hole 310 in the Y-direction, preventing the grille trim 300 from moving left or right in the vehicle direction. Therefore, after the side cantilever claw 220 is inserted into the locking hole 310, it ensures a secure connection between the connecting plate 200 and the grille trim 300.

[0049] In this embodiment, a cross-shaped positioning post (not shown in the figure) is provided on the back of the front bumper body 100. The positioning post can be located at a position on the front of the front bumper body 100 that is obstructed, such as the car logo, or at the upper boundary of the front bumper body 100. Setting the positioning post at these positions can prevent defects such as shrinkage or deformation from being exposed on the front of the front bumper body 100. Positioning holes are provided on the connecting plate 200 at positions corresponding to the positioning post. When the positioning post is inserted into the positioning hole, the positioning post serves to limit the vertical movement of the connecting plate 200 in the vehicle.

[0050] Understandably, in other embodiments, the positioning post can also be set on the connecting plate 200, and the positioning hole can be set on the grille trim 300, which can also serve to restrict the grille trim 300 from moving in the vertical direction of the vehicle.

[0051] In this embodiment, the connecting plate 200 engages with the fixing flange 101 of the front bumper body 100 via the groove 240 and the first limiting rib 230. Simultaneously, the connecting plate 200 engages with the grille trim 300 via the side cantilever claw 220, ensuring the connection stability of the front bumper body 100, the connecting plate 200, and the grille trim 300. By adding the connecting plate 200 between the front bumper body 100 and the grille trim 300, the limitation of the installation structure on the shape of the front bumper body 100 is reduced. Furthermore, the connecting plate 200 is welded to the front bumper body 100 at the boss 210 position, increasing the overall strength of the front bumper surface.

[0052] This embodiment not only ensures the installation requirements of the grille trim 300, but also enhances the front bumper decoration effect and has a reliable structure.

[0053] Example 2:

[0054] This embodiment provides a bumper system, including the front bumper and grille trim installation structure described in Embodiment 1.

[0055] Example 3:

[0056] This embodiment provides a car including the bumper system described in Embodiment 2.

[0057] The above description is merely a preferred embodiment of this application and is not intended to limit this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A front bumper and grille trim mounting structure, characterized in that, The device includes a front bumper body, a connecting plate, and a grille trim. The front bumper body has several air intake holes, and a fixed flange is provided around the air intake holes. The connecting plate has a groove, and a first limiting rib is provided on the inner wall of the groove. When the groove and the fixed flange are inserted into each other, the first limiting rib forms X-direction and Y-direction limiting. Several side cantilever claws are provided on the edge of the groove. The grille trim has a snap-fit ​​hole that corresponds to each of the side cantilever claws. The side cantilever claws snap into the snap-fit ​​hole. The side cantilever chuck includes a chuck body, with a chuck head on one side and several second limiting ribs on the other side; The claw head and the second limiting rib are used to engage with the snap hole along the X direction; The claw body is provided with a second limiting rib at both ends, and the second limiting rib can form a Y-direction limiting; The second limiting rib is a stepped structure, with its stepped surface serving as a supporting surface. The supporting surface and the claw head form an X-direction limiting mechanism. The second limiting rib has an inclined guide surface at one end.

2. The front bumper and grille trim installation structure according to claim 1, characterized in that, The connecting plate is also provided with several bosses, which are attached to and welded to the front bumper body.

3. The front bumper and grille trim installation structure according to claim 2, characterized in that, The boss is disposed between adjacent grooves.

4. The front bumper and grille trim installation structure according to claim 1, characterized in that, The front bumper body or connecting plate is provided with positioning posts, and the grille decorative piece is provided with corresponding positioning holes. The positioning posts and positioning holes cooperate to form a Z-direction limit.

5. The front bumper and grille trim installation structure according to claim 1, characterized in that, The fixed flange is perpendicular to the outer surface of the front bumper body.

6. A bumper system, characterized in that, Includes the front bumper and grille trim mounting structure as described in any one of claims 1-5.

7. A car, characterized in that, Includes the bumper system as described in claim 6.

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