Buckle structure and grille assembly

Abstract

The present invention discloses a snap structure and a grille assembly, the snap structure comprising: a male component, a female component and a second snap component, the male component having a first insertion portion, an outer surface of the first insertion portion protrudingly provided with a first snap component, an outer side wall of the first insertion portion is provided with a positioning portion, the female component having a first receiving portion, the first snap component being able to extend to the outer surface of the first receiving portion through a first through hole in the bottom wall of the first receiving portion, the side wall of the first receiving portion is provided with a positioning groove cooperating with the positioning portion, the first snap component is formed with a first opening at least partially extending to the outer surface of the first receiving portion, the second insertion portion of the second snap component can pass through the first opening portion located on the outer surface of the first receiving portion and be locked by the elastic portion, the first insertion portion and the first receiving portion are snap-fitted, and the positioning is performed by the positioning portion of the second insertion portion and the positioning groove of the first receiving portion, the positioning strength is good and the force is large, and the fixing strength is good through the cooperation of the second snap component and the first snap component.

Description

Technical Field

[0001] The present invention relates to the technical field of buckle structures, and in particular to a buckle structure and a grille assembly. Background Art

[0002] The existing grille has a large overall size, and the cost of defective products during the production process is high. After the grille is disassembled, it is inconvenient to install it with screws and brackets. The installation strength through the existing snap-on structure does not meet the requirements and is easy to loosen. Summary of the Invention

[0003] The purpose of the present invention is to solve at least one of the technical problems existing in the prior art and to provide a snap-fit ​​structure and a grille assembly.

[0004] According to a first aspect embodiment, a snap-fit ​​structure is provided, including: a male component, a female component and a second engaging component, the male component having a first insertion portion, the outer surface of the first insertion portion being protrudingly provided with a first engaging component, the outer side wall of the first insertion portion being provided with a positioning portion, the female component having a first receiving portion, the bottom wall of the first receiving portion being provided with a first through hole, the first engaging component being able to pass through the first through hole and extend to the outer surface of the first receiving portion, the side wall of the first receiving portion being provided with a positioning groove cooperating with the positioning portion, the first engaging component forming a first opening, the first opening at least partially extending to the outer surface of the first receiving portion, the second engaging component including a second insertion portion and an elastic portion, the second insertion portion being able to be inserted through the first opening portion located on the outer surface of the first receiving portion and locked by the elastic portion.

[0005] Beneficial effects: In this snap-fit ​​structure, the male part and the female part are snap-fitted through the first insertion part and the first receiving part, and are positioned through the positioning part of the second insertion part and the positioning groove of the first receiving part. The positioning strength is good and the force is large, and the installation is easy. It is fixed by the cooperation of the second snap-fit ​​part and the first snap-fit ​​part, and has good strength and is not easy to loosen.

[0006] According to the snap-fit ​​structure described in the embodiment of the first aspect, the depth between the inner wall surface of the bottom wall of the first receiving portion and the inlet end surface of the first receiving portion is greater than 10 mm.

[0007] According to the snap-fit ​​structure described in the embodiment of the first aspect, at least one first adjustment rib is provided on the outer surface of the first insertion portion or the inner surface of the first receiving portion.

[0008] According to the buckle structure described in the embodiment of the first aspect, a first adjustment rib is provided on the outer surface of the first insertion portion, and the first adjustment rib is provided along the length direction of the outer surface of the first insertion portion.

[0009] According to the snap-fit ​​structure described in the first embodiment, the two opposite side walls of the first receiving portion are provided with flanges protruding toward the outer wall surface, the flanges are formed with positioning grooves extending through the first receiving portion, and the two opposite surfaces of the positioning grooves are provided with second adjustment ribs.

[0010] According to the snap-fit ​​structure described in the embodiment of the first aspect, the first snap-fit ​​part includes a concave first main board arranged along the width direction of the first insertion part, the first opening is formed between the first main board and the outer surface of the first insertion part, and the elastic part is locked by the top part of the first main board.

[0011] According to the snap-fit ​​structure described in the embodiment of the first aspect, the first engaging part also includes a first rib plate, which is arranged on both sides of the first main board, and the first rib plate extends along the height direction of the first main board, and the outer wall surface of the first rib plate is inclined.

[0012] According to the snap-fit ​​structure described in the embodiment of the first aspect, the second insertion portion is penetrated by a second opening arranged along the length direction, the elastic portion is arranged above the second opening and can be retracted into the second opening, the elastic portion includes a fixed end and a free end, the fixed end is connected to one end of the second opening, and the free end can abut against the first insertion portion in an initial state.

[0013] According to the snap-fit ​​structure described in the embodiment of the first aspect, a first synapse and a second synapse are provided on the side of the second insertion portion that contacts the bottom outer wall surface of the first receiving portion, the first synapse and the second synapse are located on both sides of the first engaging part, and the outer bottom surface of the second insertion portion is arranged along the first synapse and the second synapse away from the bottom outer wall surface of the first receiving portion.

[0014] According to a second aspect embodiment, a grille assembly is provided, comprising a grille and the snap-fit ​​structure described in the first aspect embodiment, wherein the grille comprises at least two grille bodies, and each of the grille bodies is connected by the snap-fit ​​structure to form the grille assembly.

[0015] Beneficial effects: This grille assembly divides the grille into multiple grille bodies and connects them through a snap-fit ​​structure. The grille assembly can be split and connected without affecting the original function, thereby reducing the defective rate of the grille assembly, reducing the waste of defective products, and reducing costs. Moreover, the snap-fit ​​structure of the first embodiment is used for connection, and there is no need to add screws and brackets for connection and fixation. The grille assembly has good strength and is not easy to loosen, and can also meet the client's collision test. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0017] Figure 1 This is a schematic diagram of the overall structure of the buckle structure according to an embodiment of the present invention;

[0018] Figure 2 This is a plan view of the buckle structure according to an embodiment of the present invention;

[0019] Figure 3 This is a schematic cross-sectional view of a buckle structure according to an embodiment of the present invention;

[0020] Figure 4 This is a top view of the second engaging member according to an embodiment of the present invention;

[0021] Figure 5 This is a cross-sectional view of a second engaging member according to an embodiment of the present invention;

[0022] Figure 6 This is a schematic diagram of the overall structure of the male component of an embodiment of the present invention;

[0023] Figure 7 This is a schematic diagram of the overall structure of the female component according to an embodiment of the present invention;

[0024] Figure 8 This is a schematic diagram of the overall structure of the first receiving portion of the female component according to an embodiment of the present invention.

[0025] Male component 100, first insertion portion 110, first engaging member 120, positioning portion 130, first adjustment rib 140;

[0026] First opening 121, first main plate 122, first rib 123;

[0027] The female component 200, the first receiving portion 210, the first through hole 220, the positioning groove 230, and the second adjustment rib 231;

[0028] The second engaging member 300, the second inserting portion 310, the elastic portion 320, the first synaptic contact 330, and the second synaptic contact 340;

[0029] The second opening 311 , the fixed section 312 , the inclined section 313 , the fixed end 321 , and the free end 322 . DETAILED DESCRIPTION

[0030] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present invention, but it should not be understood as a limitation on the scope of protection of the present invention.

[0031] In the description of the present invention, it should be understood that descriptions involving orientations, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0032] In the description of the present invention, "several" means one or more, "many" means more than two, "greater than," "less than," and "exceed" are understood to exclude the number itself, while "above," "below," and "within" are understood to include the number itself. The use of "first" and "second" in the description is solely for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance, implicitly specifying the number of the indicated technical features, or implicitly specifying the order of the indicated technical features.

[0033] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, and connecting should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0034] Reference Figure 1 、 Figure 2 as well as Figure 3 The buckle structure includes a male component 100, a female component 200 and a second engaging component 300. The male component 100 has a first inserting portion 110, a first engaging component 120 is protrudingly provided on the outer surface of the first inserting portion 110, and a positioning portion 130 is provided on the outer side wall of the first inserting portion 110. The female component 200 has a first receiving portion 210, and the bottom wall of the first receiving portion 210 is provided with a first through hole 220. The first engaging member 120 can extend through the first through hole 220 to the outer surface of the first receiving portion 210. The side wall of the first receiving portion 210 is provided with a positioning groove 230 that cooperates with the positioning portion 130. The size of the first insertion portion 110 can match the first receiving portion 210. The first receiving portion 210 is groove-shaped, and the first insertion portion 110 is a protrusion that cooperates with the first receiving portion 210. The protrusion of the first insertion portion 110 can be dug with an empty groove. When in use, the first insertion portion 110 is inserted into the first receiving portion 210 to complete the snap fit between the two. In order to make the male component 100 and the female component 200 fit better, positioning parts 130 are provided on two opposite sides of the first insertion part 110, and positioning grooves 230 are provided on two opposite sides of the female component 200. By snapping the positioning parts 130 into the positioning grooves 230, the stability of the male component 100 can be improved.

[0035] like Figure 3As shown, the first engaging member 120 is formed with a first opening 121, which at least partially extends to the outer surface of the first receiving portion 210. The second engaging member 300 includes a second insertion portion 310 and an elastic portion 320. The second insertion portion 310 can be inserted through the first opening portion located on the outer surface of the first receiving portion 210 and locked by the elastic portion 320. Specifically, the bottom wall of the first receiving portion 210 is provided with a first through hole 220 along the length direction of the line formed by the two positioning grooves 230. The first through hole 220 is in the shape of an elongated hole and extends through the bottom wall of the first receiving portion 210. The first engaging member 120 is in the shape of a plate and is provided along the length direction of the line connecting the two positioning portions 130. The length and width of the first engaging member 120 are smaller than the length and width of the first through hole 220, so that the first engaging member 120 can extend through the first through hole 220 to the outer end surface of the bottom wall of the first receiving portion 210. The first engaging member 120 is also formed with a first opening 121 arranged along the length direction of the first engaging member 120. Part of the plate of the first engaging member 120 extends to the outer end surface, and the top edge of the first opening 121 forms an insertion opening with the outer end surface of the bottom wall of the first receiving portion 210, so that the second engaging member 300 can lock and fix the male component 100 and the female component 200 through this insertion opening. Specifically, when the second insertion portion 310 passes through this insertion opening, the elastic portion 320 is compressed. As the second insertion portion 310 is slowly inserted, the degree of compression of the elastic portion 320 gradually increases. When the elastic portion 320 completely passes through this insertion opening, the elastic portion 320 is no longer in contact with the top edge of the first opening 121. Under the influence of the elastic force of the elastic portion 320, the elastic portion 320 has a tendency to return to its initial position. When the elastic portion 320 returns to its initial position, the free end of the elastic portion 320 is blocked by the first engaging member 120 located above the first opening 121 , and the second insertion portion 310 passes through the insertion hole to fasten the male component 100 and the female component 200 , and is locked by the elastic portion 320 .

[0036] Specifically, when installing this snap-fit ​​structure, the first step is to adjust and align the positioning portion 130 of the male component 100 with the positioning groove 230 of the female component 200, then move the male component 100 gradually closer to the female component 200, insert the first insertion portion 110 into the first receiving portion 210, and abut the first insertion portion 110 against the bottom wall of the first receiving portion 210. The second step is to insert one end of the second engaging member 300 from the insertion opening, gradually move the second engaging member 300 until the elastic portion 320 completely passes through the insertion opening, and then the elastic portion 320 returns to its initial state, and the second engaging member 300 is locked and fixed.

[0037] like Figure 3In some embodiments, the depth between the inner wall surface of the bottom wall of the first receiving portion 210 and the entrance end face of the first receiving portion 210 is greater than 10 mm. Specifically, the female component 200 includes a bottom wall and side walls arranged around the bottom wall, and the bottom wall and the side walls together form the first receiving portion 210. The shape of the first receiving portion 210 can be a cylindrical receiving groove, a square receiving groove, or a polyhedron receiving groove, and the shape of the first receiving portion 210 must match the first insertion portion 110 of the male component 100. The depth d of the first receiving portion 210 is greater than 10 mm. The depth d of the first receiving portion 210 refers to the vertical distance between the inner side surface of the bottom wall of the first receiving portion 210 and the top surface of the side wall. Setting the depth d to be greater than 10 mm can be used to prevent flipping and loosening after assembly, thereby improving the stability and reliability of the snap-fit ​​structure.

[0038] like Figure 7 and Figure 8 In this embodiment, the first receiving portion 210 is square in shape, and its sidewalls can be tilted relative to the bottom wall. Accordingly, the first insertion portion 110 is also square in shape and can be accommodated within the first receiving portion 210. The sidewalls of the first insertion portion 110 can also be tilted relative to each other, allowing the first insertion portion 110 to slide and guide along the sidewalls when entering the first receiving portion 210, making installation more convenient. The mother component 200 can be formed by stamping the first receiving portion 210 from a sheet of material, and the outer end surfaces of the first receiving portion 210 can be rounded. Positioning grooves 230 are provided on the sidewalls of the mother component 200, along the length of the first opening in the bottom wall. Specifically, the sidewalls are provided with flanges protruding toward the outer wall. The flanges and the central recess of the sidewalls together form the positioning groove 230. The flanges enhance the structural strength of the positioning groove 230. As will be readily understood, second adjustment ribs 231 are provided on opposite sides of the positioning groove 230. Specifically, the height of the second adjustment rib 231 is equal to the height of the positioning groove 230, that is, the second adjustment rib 231 extends along the height direction of the positioning groove 230 to the top surface of the side wall, the width of the second adjustment rib 231 is smaller than the width of the positioning groove 230, and the second adjustment rib 231 is set at the center of the positioning groove 230. The end face of the second adjustment rib 231 contacts the positioning part 130, and can adjust the area of ​​the contact surface between the positioning part 130 and the positioning groove 230, which can improve the reliability and stability of the connection between the positioning part 130 and the positioning groove 230.

[0039] like Figure 6 The second adjustment rib 231 is relatively inclined along the length direction, that is, the contact surface between the second adjustment rib 231 and the positioning portion 130 is an inclined surface, and the positioning portion 130 is set as an inclined surface corresponding thereto, so that installation can be facilitated.

[0040] Reference Figure 6 Of course, positioning blocks are provided on two opposite sides of the first insertion portion 110 of the male component 100. The positioning blocks form positioning portions 130. The positioning blocks are located on two opposite sides along the length direction of the first engaging member 120, so that the positioning portions 130 can form a positioning fit with the positioning grooves 230. The two positioning blocks divide the first insertion portion 110 into two left and right parts. A first connecting portion is provided on the right side of the first insertion portion 110. The first connecting portion protrudes to the outer wall surface of the first insertion portion 110, and the two ends of the first connecting portion are connected to the positioning blocks. The first receiving portion 210 is divided into two left and right parts by the connecting line formed between the positioning grooves 230. A second connecting portion protruding outside the side wall is provided on the top surface of the side wall of the first receiving portion 210 on the left side. The second connecting portion includes a bottom provided along a long side direction of the first receiving portion 210 and side portions provided on both sides of the bottom. The side portions are connected to the flange to form a whole.

[0041] Reference Figure 6 In some embodiments, at least one first adjustment rib 140 is provided on the outer surface of the first insertion portion 110 or the inner surface of the first receiving portion 210. Providing at least one first adjustment rib 140 on the outer surface of the first insertion portion 110 or the inner surface of the first receiving portion 210 facilitates adjustment of the assembly gap.

[0042] Specifically, first adjustment ribs 140 are provided on the outer surface of the sidewall of the first insertion portion 110, and the first adjustment ribs 140 are provided along the length direction of the outer surface of the first insertion portion 110. The first insertion portion 110 includes a bottom surface and side surfaces, and the first adjustment ribs 140 can be provided on the bottom surface. The number of first adjustment ribs 140 can be set according to actual needs. The first adjustment ribs 140 are provided along the length direction of the first engaging member 120, and the first adjustment ribs 140 can be symmetrically provided on both sides of the bottom surface relative to the first engaging member 120. It is understood that two first adjustment ribs 140 are provided on the bottom surface, and the first adjustment ribs 140 are symmetrically provided relative to the first engaging member 120.

[0043] The first adjustment rib 140 can also be set on the side. The first adjustment rib 140 is set on the four sides of the first insertion part 110, and the first adjustment rib 140 is extended along the height direction of the first insertion part 110. The number of first adjustment ribs 140 set on each side is equal, so that the first insertion part 110 and the first receiving part 210 are in contact through the first adjustment rib 140, which facilitates the adjustment of the gap and reduces the surface contact between the two.

[0044] Reference Figure 6For example, the first adjustment ribs 140 can be provided on both the bottom and side surfaces of the first insertion portion 110 , and the first adjustment ribs 140 are evenly distributed on the bottom and side surfaces. Providing the first adjustment ribs 140 on the outer surface of the first insertion portion 110 facilitates processing of the first adjustment ribs 140 .

[0045] Of course, it is easy to understand that the first adjustment rib 140 can also be set on the inner surface of the first receiving portion 210, that is, the inner side surface and inner bottom surface of the first receiving portion 210, which can play the same role as the above-mentioned setting on the first insertion portion 110, but the processing is more complicated than mentioned above.

[0046] Reference Figure 6 In some embodiments, the first engaging member 120 includes a concave first main plate 122 disposed along the width of the first insertion portion 110. A first opening 121 is formed between the first main plate 122 and the outer surface of the first insertion portion 110, and the elastic portion 320 is locked by the top portion of the first main plate 122. Specifically, the bottom surface of the first insertion portion 110 is provided with a through opening, which is an elongated strip extending along the length of the bottom surface. The first main plate 122 includes a top portion and side portions located on either side of the top portion. The first main plate 122 is disposed along the length of the opening and is located above the opening. The side portions of the first main plate 122 are located on either side of the opening and are fixed to or integrally formed with the bottom surface of the first insertion portion 110. The first opening 121 is formed between the top portion and the side portions and the bottom surface of the first insertion portion 110. When the first main plate 122 extends out of the first receiving portion 210, the elastic portion 320 can be locked by the top portion of the first main plate 122.

[0047] Reference Figure 6 As can be easily understood, the first engaging member 120 further includes first ribs 123, which are disposed on both sides of the first main plate 122 and extend along the height direction of the first main plate 122. The outer wall surfaces of the first ribs 123 are inclined. Specifically, the width of the first main plate 122 is smaller than the width of the first through-hole 220. First ribs 123 are disposed on both opposite sides of the side portion. The height of the first ribs 123 is smaller than the height of the first main plate 122. The bottom ends of the first ribs 123 are connected to the bottom surface of the first insertion portion 110, and the outer wall surfaces of the first ribs 123 are curved. By disposing the first ribs 123 on both sides of the side portion, the stability and strength of the first main plate 122 can be enhanced, and the first main plate 122 can be better matched with the first through-hole 220.

[0048] Reference Figure 4 and Figure 5In some embodiments, the second insertion portion 310 is provided with a second opening 311 extending along its length. The elastic portion 320 is provided above the second opening 311 and is capable of retracting into the second opening 311. The elastic portion 320 includes a fixed end 321 and a free end 322. The fixed end is connected to one end of the second opening 311, and the free end is initially capable of abutting against the first insertion portion 110. Specifically, the second insertion portion 310 includes an insertion block having an inclined surface. The inclined surface of the insertion block is provided with a second opening 311 extending through the insertion block. The second opening 311 is generally inclined. The elastic portion 320 is an elastic plate. The fixed end 321 of the elastic plate is fixedly connected to the inclined bottom portion of the second opening 311. The other end of the elastic plate is a free end 322. The elastic plate is generally inclined, and the free end 322 is higher than the fixed end 321. This allows the elastic plate to be compressed downward into the second opening 311 during movement through the first opening, and to return to its original position to lock the second insertion portion 310.

[0049] like Figure 5 The insert block includes a fixed section 312 and an inclined section 313. The fixed section 312 includes a horizontal portion and a vertical portion. The vertical portion is located on one side of the horizontal portion. The top of the inclined section 313 is connected to the other side of the horizontal portion. The width of the inclined section 313 is smaller than that of the horizontal portion, forming a step at the connection between the two. The inclined section 313 can be an arcuate section or a sloped section. A second opening 311 is provided in the middle of the inclined section 313.

[0050] like Figure 5 As can be easily understood, the side of the second insertion portion 310 that contacts the bottom outer wall of the first receiving portion 210 is provided with a first contact 330 and a second contact 340. The first contact 330 and the second contact 340 are located on either side of the first engaging member 120. The outer bottom surface of the second insertion portion 310 is arranged along the first contact 330 and the second contact 340, away from the bottom outer wall of the first receiving portion 210. Specifically, the top of the vertical portion forms the first contact 330, and the bottom of the inclined portion forms the second contact 340. By providing the first contact 330 and the second contact 340 in contact with the outer wall of the first receiving portion, the second insertion portion 310 can be made more stable.

[0051] According to the second embodiment, the grille assembly includes a grille and the snap-fit ​​structure described in the first embodiment. The grille includes at least two grille bodies, each of which is connected by a snap-fit ​​structure to form a grille assembly. Specifically, in the non-appearance area of ​​the grille product, without affecting the original function, the grille is split into two grille bodies, and the snap-fit ​​structure is arranged in a staggered manner at the split position. A first adjustment rib is provided on the snap-fit ​​structure to facilitate adjustment of the assembly gap, and a positioning structure is added. After the two grille bodies are assembled, a second snap-fit ​​member 300 is inserted to prevent the entire body from loosening or falling off. CAE strength analysis is performed to adjust the position of the snap-fit ​​structure and increase or decrease the number of snaps according to the structure. No additional screws and brackets are required for connection and fixation, which reduces the waste of defective products and meets the client's collision test requirements.

[0052] Since the grille assembly of the original product is large, the existing equipment cannot meet the production needs, and the investment cost of adding new equipment is high. In order to meet the production needs and reduce the waste of defective products, the original product is split into two or more. For example, this embodiment is split into two, and a snap-fit ​​structure is set on the two split grille bodies to connect them, so that the grille bodies are combined to form a grille assembly, which is easy to install, has good strength, and is not easy to loosen. The existing equipment can meet the production needs, the cost is low, the waste of defective products is reduced, and the customer's experimental specifications are met.

[0053] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the scope of knowledge possessed by ordinary technicians in the technical field without departing from the scope of the present invention.

Claims

1. The buckle structure is characterized by: include: A male component, the male component having a first insertion portion, a first engaging member protruding from an outer surface of the first insertion portion, and a positioning portion provided on an outer side wall of the first insertion portion; The female component has a first receiving portion, a first through hole is provided on the bottom wall of the first receiving portion, the first engaging member can extend through the first through hole to the outer surface of the first receiving portion, a positioning groove is provided on the side wall of the first receiving portion to cooperate with the positioning portion, and the depth between the inner wall surface of the bottom wall of the first receiving portion and the entrance end face of the first receiving portion is greater than 10 mm; as well as a second engaging member, wherein the first engaging member is formed with a first opening, the first opening at least partially extending to the outer surface of the first receiving portion; the second engaging member comprises a second inserting portion and an elastic portion, the second inserting portion being capable of being inserted through the first opening portion located on the outer surface of the first receiving portion and being locked by the elastic portion; the second inserting portion is penetrated by a second opening arranged along the length direction, the elastic portion is arranged above the second opening and is capable of retracting into the second opening, the elastic portion comprising a fixed end and a free end, the fixed end being connected to one end of the second opening; Among them, at least one first adjustment rib is provided on the outer surface of the first insertion part or the inner surface of the first receiving part, and the two opposite side walls of the first receiving part are provided with flanges protruding toward the outer wall surface, and the flange has a positioning groove that passes through the first receiving part, and the two opposite surfaces of the positioning groove are provided with second adjustment ribs.

2. The buckle structure according to claim 1, characterized in that: A first adjustment rib is provided on the outer surface of the first insertion portion, and the first adjustment rib is provided along the length direction of the outer surface of the first insertion portion.

3. The buckle structure according to claim 1, wherein: The first engaging member includes a concave first main board arranged along the width direction of the first insertion portion, the first opening is formed between the first main board and the outer surface of the first insertion portion, and the elastic portion is locked by the top portion of the first main board.

4. The buckle structure according to claim 3, characterized in that: The first engaging member further includes first ribs, which are arranged on both sides of the first main board and extend along the height direction of the first main board. The outer wall surface of the first rib is inclined.

5. The buckle structure according to any one of claims 1 to 4, characterized in that: A first synapse and a second synapse are provided on one side of the second insertion portion that contacts the bottom outer wall surface of the first receiving portion. The first synapse and the second synapse are located on both sides of the first engaging part. The outer bottom surface of the second insertion portion is arranged along the first synapse and the second synapse away from the bottom outer wall surface of the first receiving portion.

6. Grille assembly, characterized by: include A grille, comprising at least two grille bodies; as well as According to the snap-fit ​​structure according to any one of claims 1 to 5, the grille bodies are connected by the snap-fit ​​structure to form the grille assembly.

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