An installation assembly for a vehicle trim panel

Abstract

The utility model relates to the field of vehicle accessories, concretely relates to a mounting assembly of vehicle decorative plate. The mounting assembly is used for connecting first decorative plate and second decorative plate, and the mounting assembly includes first mounting seat and second mounting seat, the first mounting seat is equipped in first flanging, the second mounting seat is equipped in second flanging, the first mounting seat includes joint panel, joint panel is parallel to first flanging, joint panel can be jointed in second mounting seat along Z direction, and can fix first flanging and second flanging in X direction to limit the X direction surface difference of first flanging and second flanging. The joint panel of the mounting assembly of the utility model is parallel to the flanging of decorative plate, is equipped in the edge of flanging, and the joint direction of mounting assembly is same with the joint direction of panel, is simple to assemble, easy to operate, meets the clearance of decorative plate and peripheral part, surface difference matching requirement at the same time, guarantees product appearance quality.

Description

Technical Field

[0001] This utility model relates to the field of vehicle accessories, specifically to an installation assembly for a vehicle trim panel. Background Technology

[0002] Vehicles frequently use decorative panels, which are typically fixed to the body panels or to matching decorative panels using mounting components. These mounting components come in various structures to enhance the vehicle's aesthetics and enhance its appearance. Therefore, they are extremely important. If the gaps or surface differences between the decorative panel and its surrounding components are too large, or if the installation is not done properly, it can easily affect the overall appearance quality of the decorative panel and the vehicle.

[0003] Existing mounting components typically use grooves and protrusions. Taking the fixing of two decorative panels as an example, grooves and protrusions are respectively set on the two decorative panels. The protrusions and grooves are engaged to fix the two decorative panels.

[0004] However, grooves and protrusions are typically used to fix the panels of two decorative panels. Because the base of the protrusion occupies a large area, it cannot be installed at the edge of the decorative panel's flange, resulting in incomplete flange engagement. This makes it difficult to simultaneously control flange gaps and surface differences, easily leading to appearance quality issues. Furthermore, the structure of grooves and protrusions is weak; when the flange depth is deep, they are prone to insufficient strength, breakage, or weakness, resulting in incomplete engagement. Additionally, their complex structure and high manufacturing cost contribute to their high cost. Utility Model Content

[0005] In view of this, the present invention provides an installation assembly for a vehicle trim panel, thereby solving or at least alleviating one or more of the above-mentioned problems and other problems existing in the prior art.

[0006] To achieve the aforementioned objectives, this utility model provides an installation assembly for a vehicle trim panel. The installation assembly is used to connect a first trim panel and a second trim panel. The first trim panel includes a first flange and a first panel, and the second trim panel includes a second flange and a second panel. The installation assembly includes a first mounting base and a second mounting base. The first mounting base is disposed on the first flange, and the second mounting base is disposed on the second flange. The first mounting base includes a snap-fit ​​panel, which is parallel to the first flange. The snap-fit ​​panel can snap onto the second mounting base in the Z direction and can fix the first flange and the second flange in the X direction to limit the X-direction surface difference between the first flange and the second flange.

[0007] In the mounting assembly described above, the second mounting base may optionally include a snap-fit ​​groove, a first boss, and a second boss, wherein the first boss and the second boss are located at the two ends of the snap-fit ​​groove in the Z direction, for snapping the snap-fit ​​panel.

[0008] Optionally, in the mounting assembly described above, the first mounting base further includes a first connecting leg, one end of which is connected to the snap-fit ​​panel in the X direction and extends toward the side close to the first flange, the first connecting leg being able to snap onto the first boss in the Z direction.

[0009] Optionally, in the mounting assembly described above, the first mounting base further includes a snap-fit ​​tongue connected to one end of the snap-fit ​​panel away from the first connecting leg in the Z direction and located on the side of the snap-fit ​​panel opposite to the first connecting leg in the X direction. The end of the snap-fit ​​tongue extends away from the first flange and is capable of snapping the second boss in the X direction.

[0010] In the mounting assembly described above, optionally, the snap-fit ​​panel has a bent structure, with the bent portion arching towards the side near the first flange. The first mounting base also includes a second connecting leg, one end of which is connected to the bent portion of the snap-fit ​​panel. The second connecting leg extends towards the side near the first flange and is connected to the first flange.

[0011] Optionally, in the mounting assembly described above, the first mounting base further includes a protrusion located at the bend of the snap-fit ​​panel and connected to the second connecting leg, the protrusion being used to increase the strength of the bend.

[0012] Optionally, in the mounting assembly described above, the first mounting base further includes a sealing wall that closes the snap-fit ​​panel on one side in the Y direction, the sealing wall connecting the first connecting leg and the second connecting leg in the Y direction, and the sealing wall extending in the X direction toward the side closer to the first flange and connecting to the first flange.

[0013] Optionally, in the mounting assembly described above, the second mounting base further includes a third boss located on one side edge of the snap-fit ​​groove in the Y direction and connected to the second boss. The connection point is provided with a snap-fit ​​interface, which communicates with the snap-fit ​​groove. The enclosed wall snaps into the snap-fit ​​interface in the X direction.

[0014] In the mounting assembly described above, optionally, the material thickness of the first connecting leg and the second connecting leg is 1 / 4 to 1 / 3 of the material thickness of the snap-fit ​​panel.

[0015] In the mounting assembly described above, optionally, the Y-direction width of the snap-fit ​​panel to the snap-fit ​​tongue gradually decreases in the Z-direction, and the slot width of the snap-fit ​​groove gradually decreases in the Z-direction.

[0016] The snap-fit ​​part of the mounting component of this utility model is parallel to the flange of the decorative panel, so it can be set at the edge of the flange, which strengthens the fixation of the flange. Thus, the snap-fit ​​direction of the mounting component is the same as the snap-fit ​​direction of the panel, making assembly simple and easy to operate. While meeting the requirements for matching the gap and surface difference between the decorative panel and the surrounding parts, it also ensures the appearance quality of the product. Attached Figure Description

[0017] The disclosure of this utility model will become more apparent from the accompanying drawings. It should be understood that these drawings are for illustrative purposes only and are not intended to limit the scope of protection of this utility model.

[0018] Figure 1 This is a schematic diagram of the overall front structure of an embodiment where the first decorative panel and the second decorative panel are joined together.

[0019] Figure 2 for Figure 1 A schematic diagram of the overall structure on the back of the embodiment.

[0020] Figure 3 for Figure 1 A schematic diagram of the overall structure from another perspective of the embodiment.

[0021] Figure 4 for Figure 1 A schematic diagram of the overall structure from another perspective of the embodiment.

[0022] Figure 5 This is a schematic diagram of the overall structure of the mounting assembly for vehicle trim panels according to the present invention.

[0023] Figure 6 This is a schematic diagram of the back structure of the first decorative panel of this utility model.

[0024] Figure 7 This is a schematic diagram of the back structure of the second decorative panel of this utility model.

[0025] Figure 8 This is a schematic diagram of the overall structure from one side view of the first mounting base in an embodiment of the mounting components.

[0026] Figure 9 This is a schematic diagram of the other side of the first mounting base in an embodiment of the mounting components.

[0027] Figure 10 This is a schematic diagram of the overall structure of the second mounting base in an embodiment of the mounting components.

[0028] Figure 11 for Figure 1 A schematic diagram of the AA cross-sectional structure of the embodiment.

[0029] Figure 12 for Figure 5 A schematic diagram of the BB cross-sectional structure of the embodiment.

[0030] In the diagram: 1-First decorative panel; 11-First flange; 12-First panel; 2-Second decorative panel; 21-Second flange; 22-Second panel; 3-Matching gap; 31-Panel clip; 32-Mounting component; 4-First mounting base; 41-Snap-fit ​​panel; 42-Snap-fit ​​tongue; 43-First connecting leg; 44-Second connecting leg; 45-Protrusion; 46-Enclosed wall; 5-Second mounting base; 51-Snap-fit ​​groove; 52-First boss; 53-Second boss; 54-Third boss; 55-Snap-fit ​​interface. Detailed Implementation

[0031] Referring to the accompanying drawings and specific embodiments, the structure, composition, features, and advantages of the mounting components of this utility model will be described below by way of example; however, all descriptions should not be construed as limiting the utility model in any way.

[0032] Furthermore, for any single technical feature described or implied in the embodiments mentioned herein, or any single technical feature shown or implied in the various drawings, the present invention still allows for any combination or deletion of these technical features (or their equivalents) without any technical obstacle. Therefore, these further embodiments according to the present invention should also be considered within the scope of the description herein.

[0033] Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first," "second," or "third" may explicitly or implicitly include at least one of those features.

[0034] In the description of this disclosure, "multiple" means at least two, such as two, three or more, unless otherwise expressly and specifically limited.

[0035] Figure 1 This is a schematic diagram of the structure of two vehicle trim panels (first trim panel 1 and second trim panel 2) spliced ​​together according to this utility model. Figure 2 and Figure 3The first decorative panel 1 includes a first flange 11 and a first panel 12, the first panel 12 and the first flange 11 being perpendicular to each other. The second decorative panel 2 includes a second flange 21 and a second panel 22, the second panel 22 and the second flange 21 being perpendicular to each other. When the first decorative panel 1 and the second decorative panel 2 are connected, the first panel 12 and the second panel 22 are spliced ​​together, and the first flange 11 and the second flange 21 are spliced ​​together.

[0036] Reference Figure 1 The coordinate system in the figure is defined by the width direction of the first panel 12 and the second panel 22 as the X-axis, the splicing direction of the first decorative panel 1 and the second decorative panel 2 as the Y-axis, and the extension direction of the first flange 11 and the second flange 21 as the Z-axis.

[0037] Specifically, in combination Figure 1 , Figure 2 and Figure 3 The gap in the Y direction at the joint of the first decorative panel 1 and the second decorative panel 2 is the matching gap 3. The deviation between the first panel 12 and the second panel 22 in the Z direction is the surface difference. The deviation between the first flange 11 and the second flange 21 in the X direction is the surface difference. In order to meet the requirements of aesthetics of the joint of the first decorative panel 1 and the second decorative panel 2 and proper installation, the matching gap 3 and the surface difference need to be controlled within a certain range.

[0038] Combination Figure 1 , Figure 2 and Figure 3 The first flange 11 is connected to one end of the first panel 12 in the X direction and extends in the Z direction. Correspondingly, the second flange 21 is located at one end of the second panel 22 in the X direction and extends along the Z direction.

[0039] Combination Figure 2 and Figure 4 As shown, one of the first panel 12 and the second panel 22 has an extended mounting edge, allowing it to be stacked and connected to the other panel. A panel clip 31 is provided at the overlap of the two panels to securely fasten the other panel. The panel clip 31 can be configured as a recess and a protrusion (see reference). Figure 6 As shown, the protruding pin of the panel clip 31 (the protruding pin is protruding from the first panel 12) is fixed when the groove engages with the protruding pin, thereby determining the Z-direction surface difference between the first panel 12 and the second panel 22. When the first panel 12 and the second panel 22 are fixed by the panel clip 31, the first flange 11 and the second flange 21 are not fixed. As decorative surfaces of the vehicle, the surface difference between the first flange 11 and the second flange 21 also needs to be determined.

[0040] Therefore, as Figure 5 As shown, this utility model proposes a mounting assembly 32, including a first mounting base 4 and a second mounting base 5, combined with... Figure 8The first mounting base 4 includes a snap-fit ​​panel 41, which is combined with... Figure 10 The second mounting base 5 includes a snap-fit ​​groove 51, which is used in conjunction with... Figure 11 The snap-fit ​​panel 41 passes through the snap-fit ​​groove 51 and snaps into the snap-fit ​​groove 51.

[0041] Combination Figure 5 , Figure 6 and Figure 7 It can be seen that the first mounting base 4 is located at the edge of the first flange 11 in the Z direction. The snap-fit ​​panel 41 is parallel to the first flange 11 and is in the same snap-fit ​​direction as the panel snap-fit ​​31. The second mounting base 5 is located on the second flange 21 and cooperates with the first mounting base 4. The first mounting base 4 can snap-fit ​​with the second mounting base 5 in the snap-fit ​​direction of the panel snap-fit ​​31, that is, the Z direction. Specifically, from Figure 8 As can be seen, the first mounting base 4 includes a first connecting leg 43. The first connecting leg 43 is connected to the snap-fit ​​panel 41 at one end in the X direction and extends towards the side near the first flange 11 for connecting the snap-fit ​​panel 41 to the first flange 11. The first connecting leg 43 is inclined, tilting from the connection point with the snap-fit ​​panel 41 towards the Z direction and connecting to the first flange 11.

[0042] like Figure 8 As shown, the snap-fit ​​panel 41 has a bent structure, meaning that the snap-fit ​​panel 41 is away from the first flange 11 in the X direction, and the bent part arches towards the side closer to the first flange 11. The first mounting base 4 also includes a snap-fit ​​tongue 42, which is connected to the end of the snap-fit ​​panel 41 away from the first connecting leg 43 in the Z direction, and is located on the side of the snap-fit ​​panel 41 opposite to the first connecting leg 43 in the X direction. The end of the snap-fit ​​tongue 42 extends away from the first flange 11.

[0043] Furthermore, such as Figure 8 As shown, the first mounting base 4 also includes a second connecting leg 44. One end of the second connecting leg 44 is located at the bend of the snap-fit ​​panel 41, and the second connecting leg 44 extends towards the side closer to the first flange 11. One end of the second connecting leg 44 is connected to the first flange 11. The second connecting leg 44 can cooperate with the first connecting leg 43 to enhance the connection stability between the snap-fit ​​panel 41 and the first flange 11, and also cooperate with the first connecting leg 43 to increase the support strength of the snap-fit ​​panel 41.

[0044] Furthermore, from Figure 8 It can also be seen that the first mounting base 4 also includes a protrusion 45, which is located at the bend of the snap-fit ​​panel 41 and is connected to the second connecting leg 44 along the Z direction. The protrusion 45 is used to increase the strength of the bend, thereby increasing the snap-fit ​​strength of the snap-fit ​​tongue 42 and preventing the snap-fit ​​tongue 42 from breaking at the bend when subjected to snap-fit ​​force.

[0045] In an optional embodiment, the material thickness of the first connecting leg 43 and the second connecting leg 44 is 1 / 4 to 1 / 3 of the material thickness of the snap-fit ​​panel 41, thereby saving material, ensuring connection strength, and preventing shrinkage marks at the connection point with the snap-fit ​​panel 41 during the production process.

[0046] exist Figure 8 In this embodiment, the first mounting base 4 is made of PP (Polypropylene), the first connecting leg 43 and the second connecting leg 44 are 1 / 3 of the material thickness of the snap-fit ​​panel 41, the material thickness of the snap-fit ​​panel 41 is 2.5 mm, the material thickness of the connection between the first connecting leg 43 and the second connecting leg 44 and the snap-fit ​​panel 41 is 0.8 mm, and the material thickness of the snap-fit ​​tongue 4 is 2 mm.

[0047] In other embodiments, the snap-fit ​​panel 41, the first connecting leg 43, the second connecting leg 44, and the snap-fit ​​tongue 42 are made of any material and the material thickness is not limited, as long as they are set according to the proportion.

[0048] Furthermore, from Figure 8 It can also be seen that the thickness of the first connecting leg 43 gradually decreases from the connection point with the snap-fit ​​panel 41 toward the first flange 11. That is, the thickness of the first connecting leg 43 at the connection point with the snap-fit ​​panel 41 is greater than the thickness of the material connected to the first flange 11. This is used to reinforce the connection between the first connecting leg 43 and the snap-fit ​​panel 41, and also to reinforce the connection between the first connecting leg 43 and the first flange 11.

[0049] from Figure 8 It can also be seen that the bends of the snap-fit ​​panel 41, the connection with the first connecting leg 43, and the connection with the snap-fit ​​tongue 42 are all beveled to prevent collision with the second mounting base 5 during the snap-fit ​​process.

[0050] Combination Figure 8 and Figure 5 The snap-fit ​​panel 41 and the snap-fit ​​tongue 42 are integrally formed, and the width of the snap-fit ​​panel 41 and the snap-fit ​​tongue 42 in the Y direction gradually decreases in the Z direction. This facilitates the first mounting base 4 to gradually enter the snap-fit ​​groove 51 of the second mounting base 5 from the Z direction through the narrower snap-fit ​​tongue 42 until it snaps into the second mounting base 5. The structure that narrows from wide to narrow in the Z direction conforms to the draft angle, which facilitates the demolding of the snap-fit ​​panel 41 and the snap-fit ​​tongue 42 during the production process.

[0051] Specifically, in Figure 8In this embodiment, the Y-direction width of the first connecting leg 43 gradually decreases from one end of the first flange 11 towards the snap-fit ​​panel 41. The Y-direction width of the first connecting leg 43 at the connection point of the first flange 11 is 12 mm, and the Y-direction width at the connection point of the snap-fit ​​panel 41 and the first connecting leg 43 is 11 mm. The Y-direction width of the snap-fit ​​panel 41 gradually decreases towards one end of the snap-fit ​​tongue 42, and the width at the connection point of the snap-fit ​​tongue 42 and the snap-fit ​​panel 41 is 10 mm. As a result, the Y-direction width of the first mounting base 4 formed by the first connecting leg 43, the snap-fit ​​panel 41, and the snap-fit ​​tongue 42 is relatively small, thus making the entire mounting assembly 32 compact.

[0052] In other embodiments, the widths of the first connecting leg 43, the snap-fit ​​panel 41, and the snap-fit ​​tongue 42 are not limited, as long as they are set from widest to narrowest.

[0053] Furthermore, combined Figure 8 and Figure 9 The first mounting base 4 also includes a sealing wall 46, which is located on the Y-direction side of the snap-fit ​​panel 41, i.e., the sealing wall 46 seals the Y-direction side of the snap-fit ​​panel 41. The sealing wall 46 connects the first connecting leg 43 and the second connecting leg 44 in the Y-direction. The sealing wall 46 extends in the X-direction towards the side closer to the first flange 11 and connects to the first flange 11. The sealing wall 46 can provide X-direction support to the snap-fit ​​panel 41 and Y-direction support to the first connecting leg 43 and the second connecting leg 44, thereby strengthening the structural strength of the first mounting base 4.

[0054] from Figure 10 It can be seen that the second mounting base 5 includes a first boss 52 and a second boss 53, which are located at the two ends of the snap-fit ​​groove 51, respectively. Figure 5 As shown, the second mounting base 5 is used to snap onto the snap-on panel 41 of the first mounting base 4. The width of the snap-on groove 51 of the second mounting base 5 gradually decreases in the Y direction and in the Z direction, so as to fit the snap-on panel 41.

[0055] exist Figure 10 In this embodiment, the Y-direction width of the first boss 52 is 18 mm, the Y-direction width of the lower edge of the snap-fit ​​groove 51 is 12.6 mm, and the width of the second boss 53 is 2.5 mm, forming a structure that gradually narrows from wide to narrow to accommodate... Figure 8 The snap-fit ​​panel 41 in the embodiment.

[0056] The first boss 52 is located at one edge of the Z-direction end of the snap-fit ​​groove 51 and protrudes from the second flange 21. The first boss 52 extends in the Y-direction and snaps into the first connecting leg 43 of the first mounting base 4 (e.g., Figure 11 (As shown).

[0057] Combination Figure 10 and Figure 11As shown, the second protrusion 53 is located at the other end edge of the Z-direction of the snap-fit ​​groove 51, and protrudes from the second flange 21 in the X-direction, engaging with the snap-fit ​​tongue 42 of the first mounting base 4.

[0058] Furthermore, such as Figure 10 As shown, the second mounting base 5 also includes a third boss 54, which is located on the Y-direction edge of the snap-fit ​​groove 51. The third boss 54 connects with the second boss 53, and a snap-fit ​​interface 55 is provided at the connection point. The snap-fit ​​interface 55 communicates with the snap-fit ​​groove 51 and snaps into the closed wall 46 of the first mounting base 4 (in conjunction with...). Figure 5 (As shown).

[0059] Specifically, in combination Figure 5 and Figure 11 As shown, the first decorative panel 1 and the second decorative panel 2 are connected as follows: the first mounting base 4 passes through the snap-fit ​​groove 51 of the second mounting base 5 in the X direction; the first mounting base 4 enters the snap-fit ​​groove 51 from the Z direction through the snap-fit ​​tongue 42 until the snap-fit ​​panel 41 completely passes through the snap-fit ​​groove 51 from the X direction; the first connecting leg 43 abuts against the first boss 52 in the Z direction; and the snap-fit ​​tongue 42 snaps against the second boss 53 in the X direction, thereby completing the fixing between the decorative panels.

[0060] The interlocking of the first connecting leg 43 and the first boss 52 in the Z direction can limit the Z-direction position of the second flange 21 and the first flange 11, thereby limiting the Z-direction position of the first decorative panel 1 and the second decorative panel 2, and thus ensuring that the surface difference between the first decorative panel 1 and the second decorative panel 2 is qualified.

[0061] Combination Figure 11 and Figure 12 The interlocking of the latching tongue 42 and the second protrusion 53 in the X direction can limit the X-direction position of the second flange 21 and the first flange 11, thereby limiting the X-direction position of the first decorative panel 1 and the second decorative panel 2, and thus ensuring that the X-direction surface difference between the first flange 11 and the second flange 21 is qualified.

[0062] Combination Figure 5 and Figure 11 It can be seen that the two sides of the snap-fit ​​panel 41 in the Y direction are snapped together with one edge of the snap-fit ​​groove 51 in the Y direction and the third protrusion 54, thus engaging with each other. Figure 10 and Figure 12 The closed wall 46 is snapped into the card interface 55 in the X direction to limit the Y direction position of the second flange 21 and the first flange 11, thereby limiting the Y direction position of the first decorative panel 1 and the second decorative panel 2, that is, limiting the gap between the first decorative panel 1 and the second decorative panel 2.

[0063] Combination Figure 12It can be seen that there is a snap-fit ​​gap a between the closed wall 46 and the second protrusion 53 in the Y direction, and there is a snap-fit ​​gap b between the closed wall 46 and the third protrusion 54 in the Y direction. The size of the snap-fit ​​gaps a and b can control the Y-direction matching gap 3 between the first flange 11 and the second flange 21.

[0064] exist Figure 12 In one embodiment, the spacing a and b of the snap-fit ​​gap can be 0.2 mm.

[0065] It should be noted here that, in combination Figure 2 As shown, the Z-direction snap-fit ​​method of the mounting component 32 is consistent with the Z-direction snap-fit ​​method of the panel buckle 31. That is, when the panel buckle 31 is snapped in, the mounting component 32 is also snapped in at the same time. In other words, the panels and flanges of the two decorative panels can be snapped in at the same time.

[0066] The vehicle trim panel mounting assembly 32 proposed in this utility model is used for splicing the first flange 11 of the first trim panel 1 and the second flange 21 of the second trim panel 2. The overall structure of the mounting assembly 32 of this utility model is simple and ingenious. It can be arranged near the edge of the flange, and the snap-fit ​​part is parallel to the flange. This satisfies the need for fixing the trim panel to the vehicle body or to the surrounding trim panels, while solving the problem of gap and surface difference control between the flange surfaces, thereby ensuring the appearance quality of the product.

[0067] Furthermore, the snap-fit ​​direction of the mounting component 32 is consistent with the snap-fit ​​direction between the first panel 12 of the first decorative panel 1 and the second panel 22 of the second decorative panel 2. That is, the flange splicing can be completed simultaneously with the splicing of the two decorative panels, simplifying the splicing process, facilitating installation, and saving assembly time. The mounting component 32 and the panel clip 31 cooperate with each other to ensure that the two decorative panels are firmly spliced ​​from the panel to the flange, and to control the gap and surface difference.

[0068] The structural design of the first mounting base 4 of the mounting component 32 increases the overall strength of the mounting component 32. The locking mechanism at the deeper flange edge also prevents breakage or incomplete locking. Furthermore, the design of the locking panel 41 of the first mounting base 4, which tapers from wide to narrow, facilitates demolding. The fewer components of the first mounting base 4 simplify its mold structure and reduce manufacturing costs.

[0069] The technical scope of this utility model is not limited to the contents of the above description. Those skilled in the art can make various modifications and variations to the above embodiments without departing from the technical concept of this utility model, and all such modifications and variations should fall within the scope of this utility model.

Claims

1. A mounting assembly for a vehicle trim panel, the mounting assembly (32) being used to connect a first trim panel (1) and a second trim panel (2), the first trim panel (1) including a first flange (11) and a first panel (12), and the second trim panel (2) including a second flange (21) and a second panel (22), characterized in that, The mounting assembly (32) includes a first mounting base (4) and a second mounting base (5). The first mounting base (4) is disposed on the first flange (11), and the second mounting base (5) is disposed on the second flange (21). The first mounting base (4) includes a snap-fit ​​panel (41). The snap-fit ​​panel (41) is parallel to the first flange (11). The snap-fit ​​panel (41) can snap onto the second mounting base (5) in the Z direction and can fix the first flange (11) and the second flange (21) in the X direction to limit the X-direction surface difference between the first flange (11) and the second flange (21).

2. The mounting assembly as described in claim 1, characterized in that, The second mounting base (5) includes a snap-fit ​​groove (51), a first boss (52) and a second boss (53). The first boss (52) and the second boss (53) are located at the two ends of the snap-fit ​​groove (51) in the Z direction, respectively, for snapping the snap-fit ​​panel (41).

3. The mounting assembly as described in claim 2, characterized in that, The first mounting base (4) further includes a first connecting leg (43), which is connected to the snap-fit ​​panel (41) at one end in the X direction and extends toward the side close to the first flange (11). The first connecting leg (43) can snap onto the first boss (52) in the Z direction.

4. The mounting assembly as described in claim 3, characterized in that, The first mounting base (4) further includes a snap-fit ​​tongue (42), which is connected to one end of the snap-fit ​​panel (41) away from the first connecting leg (43) in the Z direction and located on the side of the snap-fit ​​panel (41) away from the first connecting leg (43) in the X direction. The end of the snap-fit ​​tongue (42) extends away from the first flange (11) and can snap the second boss (53) in the X direction.

5. The mounting assembly as described in claim 4, characterized in that, The snap-fit ​​panel (41) has a bent structure, with the bent part arching towards the side near the first flange (11). The first mounting base (4) also includes a second connecting leg (44), one end of which is connected to the bent part of the snap-fit ​​panel (41). The second connecting leg (44) extends towards the side near the first flange (11) and is connected to the first flange (11).

6. The mounting assembly as described in claim 5, characterized in that, The first mounting base (4) also includes a protrusion (45), which is located at the bend of the snap-fit ​​panel (41) and connected to the second connecting leg (44). The protrusion (45) is used to increase the strength of the bend.

7. The mounting assembly as described in claim 5, characterized in that, The first mounting base (4) further includes a sealing wall (46) that seals the snap-fit ​​panel (41) on one side in the Y direction. The sealing wall (46) connects the first connecting leg (43) and the second connecting leg (44) in the Y direction. The sealing wall (46) extends in the X direction toward the side close to the first flange (11) and is connected to the first flange (11).

8. The mounting assembly as claimed in claim 7, characterized in that, The second mounting base (5) also includes a third boss (54), which is located on one side edge of the snap-fit ​​groove (51) in the Y direction and is connected to the second boss (53). A snap-fit ​​interface (55) is provided at the connection point. The snap-fit ​​interface (55) is connected to the snap-fit ​​groove (51), and the enclosed wall (46) is snapped into the snap-fit ​​interface (55) in the X direction.

9. The mounting assembly as claimed in claim 5, characterized in that, The material thickness of the first connecting leg (43) and the second connecting leg (44) is 1 / 4 to 1 / 3 of the material thickness of the snap-fit ​​panel (41).

10. The mounting assembly as claimed in claim 4, characterized in that, The width of the snap-fit ​​panel (41) to the snap-fit ​​tongue (42) in the Y direction gradually decreases in the Z direction, and the width of the snap-fit ​​groove (51) in the Y direction gradually decreases in the Z direction.

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