Buckle structure and vehicle

Abstract

The buckle structure comprises a buckle body and a locking area, the buckle body comprises a first limiting part used for being clamped into the locking area and a centering part which is coaxial with the first limiting part and arranged in a spaced mode, and the centering part is of an annular structure capable of deforming towards the circle center position of the centering part. An annular connecting groove is formed in the outer ring surface of the centering part; the locking area is arranged on a structural part to be connected, a limiting groove for clamping the centering part is formed in the locking area, the limiting groove is round, the size of the opening section of the limiting groove is slightly smaller than that of the centering part in a normal state, a protruding part is arranged on the inner wall of the limiting groove, and when the buckle body is pushed in place in the locking area, the protruding part is clamped into the connecting groove. According to the utility model, the centering part is arranged on the buckle body, so that the buckle body is shrunk and then expanded in the connecting process of the buckle body and the locking area so as to meet the clamping of the buckle body and the locking area, and meanwhile, the buckle body is kept in a good centering state in the locking area through the clamping effect of the convex part and the connecting groove.

Description

Technical Field

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

[0002] In the process of vehicle production, the snap-on structure is a commonly used connection structure, which fixes the vehicle's interior or exterior trim by connecting the snap-on to the plastic trim on the vehicle and then inserting the snap-on into the vehicle's sheet metal hole. Compared with the screw fixation method, the vehicle is more aesthetically pleasing. In the process of connecting the snap-on to the plastic trim on the vehicle, the limiting structure on the snap-on needs to be inserted into the locking area on the plastic trim to complete the connection.

[0003] However, currently the connection between the buckle and the plastic trim is mostly a hard connection, which requires the operator to use force to embed the limiting part on the buckle for installation. However, the operator's manual operation will inevitably lead to the risk of biased force, which makes it difficult for the limiting part to be locked in the horizontal direction. The corresponding position of the limiting part of the buckle and the locking area is deviated, resulting in looseness after the buckle and the doghouse are installed, affecting the accuracy of the vehicle's interior and exterior installation. When the force is severely biased, there is a risk of misalignment between the buckle and the doghouse, causing connection failure or buckle damage.

[0004] Therefore, how to improve the locking effect of the buckle structure and improve the connection accuracy is a technical problem that needs to be urgently solved by technical personnel in this field. Utility Model Content

[0005] The utility model provides a buckle structure and a vehicle to improve the locking effect and connection accuracy of the buckle structure.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] In a first aspect, the utility model provides a buckle structure, comprising a buckle body and a locking area, the buckle body comprising a first limiting portion for locking into the locking area, and a centering portion coaxial with the first limiting portion and spaced apart, the centering portion being an annular structure deformable toward its center position, and an annular connecting groove being provided on the outer annular surface of the centering portion;

[0008] The locking area is arranged on the structural part to be connected, and a limiting groove is arranged in the locking area for the centering part to be inserted into. The limiting groove is circular and its cross-sectional dimension is slightly smaller than the cross-sectional dimension of the centering part under normal conditions. A protrusion is arranged on the inner wall of the limiting groove. When the buckle body is pushed into place in the locking area, the protrusion is inserted into the connecting groove.

[0009] Optionally, in the above-mentioned snap-on structure, the centering part includes an outer ring body, a central axis and connecting ribs. The outer ring body and the central axis are connected to form an integral structure through a plurality of connecting ribs. The connecting ribs are curved structures and are arranged to diverge toward the outer ring body with the central axis as the center line.

[0010] Optionally, in the above-mentioned buckle structure, three connecting ribs are evenly arranged in the circumferential direction of the central axis.

[0011] Optionally, in the above-mentioned buckle structure, the protrusion is a plurality of arc-shaped protrusions arranged at intervals or a single continuous annular protrusion.

[0012] Optionally, in the above-mentioned buckle structure, the buckle body also includes an insertion portion, a second limiting portion and a third limiting portion. The second limiting portion cooperates with the first limiting portion to clamp the plate structure in the locking area, the insertion portion is used to connect the vehicle sheet metal, and the third limiting portion is used to abut against one side of the sheet metal structure to be connected.

[0013] Optionally, in the above-mentioned buckle structure, a sealing gasket is provided on one side of the third limiting portion for abutting against the sheet metal structure, and the sealing gasket is a cylindrical structure and can shrink along its axial direction.

[0014] Optionally, in the above-mentioned buckle structure, the insertion portion is a pointed structure covered with a metal shell, and one end of the metal shell facing the third limiting portion is embedded in the sealing gasket and is snap-connected with the sealing gasket to form an integrated structure.

[0015] Optionally, in the above-mentioned buckle structure, the first limiting portion, the second limiting portion and the third limiting portion are all disc structures and are coaxially arranged.

[0016] Optionally, in the above buckle structure, a concave weight-reducing groove is provided on one side of the center portion on the central axis of the buckle body.

[0017] In a second aspect, the utility model provides a vehicle, wherein at least part of the interior decoration parts are fixedly connected to the vehicle sheet metal by means of the snap-fit ​​structure provided in any one of the above embodiments.

[0018] It can be seen from the above technical scheme that the buckle structure provided by the utility model realizes a locking connection through the buckle body and the locking area. At the same time, on the basis of setting the first limiting part to connect with the locking area, the buckle body also adds a centering part structure. The centering part is coaxial with the first limiting part and is arranged at intervals to assist the centering and connection effect of the first limiting part in the locking area. It is designed as an annular structure that can be deformed toward its center position, and the locking part is also structurally updated to be designed with a limiting groove for the centering part to be inserted. The centering part with certain deformation performance can be inserted into the limiting groove with a smaller size. At the same time, when the buckle body is pushed into place in the locking area, a protrusion is also designed to be snapped into cooperation with the connecting groove, so that the centering part can enhance the locking connection effect of the buckle body to the locking area on the one hand, and on the other hand, the centering performance of the buckle body in the locking area is improved through the centering of the centering part in the limiting groove, thereby improving the connection accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the utility model or the prior art, the drawings required for use in the embodiments or the prior art description are briefly introduced below. Obviously, the drawings described below are only some examples or embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without creative work, and the utility model can also be applied to other similar scenarios based on the provided drawings. Unless it is obvious from the language environment or otherwise explained, the same reference numerals in the figures represent the same structure or operation.

[0020] Figure 1 It is a schematic diagram of the buckle body structure provided by an embodiment of the utility model;

[0021] Figure 2 yes Figure 1 A front view of

[0022] Figure 3 for Figure 2 A top view of

[0023] Figure 4 It is a schematic diagram of the buckle body structure equipped with a sealing gasket and a metal shell;

[0024] Figure 5 yes Figure 4 A schematic cross-sectional structure diagram of ;

[0025] Figure 6 It is a schematic diagram of the explosion of the gasket and the metal shell;

[0026] Among them, 10-first limiting part; 20-second limiting part; 30-third limiting part; 40-centering part; 410-connecting groove; 420-outer ring body; 430-central axis; 440-connecting rib; 450-weight reduction groove; 50-insertion part; 60-sealing pad; 70-metal shell. DETAILED DESCRIPTION

[0027] The clip structure is a commonly used structure for connecting the interior and exterior trims of a vehicle with the body sheet metal. However, in the current clip structure, there is a large gap or risk of deflection when the clip body is connected to the doghouse, which will lead to poor clip connectivity and cause the risk of shaking of the interior and exterior trims, affecting the customer's car experience.

[0028] In order to make the technical personnel in this field better understand the present invention, the embodiments of the present invention are described below with reference to the accompanying drawings. In addition, the embodiments shown below do not limit the contents of the utility model described in the claims. In addition, the entire contents of the structures represented by the following embodiments are not limited to those necessary for the solutions of the utility model described in the claims.

[0029] See also Figure 1 and Figure 2 The buckle structure provided by the embodiment of the utility model mainly includes a buckle body and a locking area. The buckle body is the main connecting structure of the buckle, and the locking area is a doghouse structure arranged on a plastic decorative part or a sheet metal part for the buckle body to connect. Specifically, the buckle body includes a first limiting portion 10 and a centering portion 40, wherein the first limiting portion 10 is used to snap into the locking area and be fixedly connected with the locking area, and the first limiting portion 10 and the centering portion 40 are spaced and coaxially arranged structures. It should be noted here that the centering portion 40 is also a structure for snapping into the locking area, and its purpose is to assist the locking effect of the first limiting portion 10. In particular, the centering portion 40 is designed as an annular structure, which can be deformed toward the center position of the circle. The deformable structure design of the centering portion 40 enables the centering portion 40 to enter a smaller structure and achieve locking through the expansion effect.

[0030] It should be noted that the deformation structure design of the centering portion 40 can be realized by designing an outer ring and connecting through a spring, and it can also be realized by a hollow structure design and connecting through points or lines.

[0031] The locking area is arranged on a structural part that needs to be connected to the buckle body, such as interior and exterior trims that need to be connected to the vehicle body. The structure of the first limiting portion 10 on the locking area for clamping and locking is the same as the structure in the prior art and will not be repeated here. In particular, a limiting groove is also provided in the locking area for the centering portion 40 to be clamped in. The structure of the limiting groove is circular to cooperate with the centering portion 40. At the same time, the cross-sectional dimension of the limiting groove is slightly smaller than the cross-sectional dimension of the centering portion 40 under normal conditions. It should be noted here that the normal state here refers to the state in which the centering portion 40 is maintained without external force, and it has not contracted toward the center of the circle. The centering portion 40 uses its shrinkable characteristic to achieve the ability to enter the limiting groove with a smaller cross-sectional dimension, and the cross-sectional dimension of the limiting groove can be adaptively designed according to the degree of locking required by the centering portion 40 inside it.

[0032] In the above structure, the centering portion 40 smoothly enters the limiting groove by virtue of its ability to shrink toward the center of the circle, and then expands to cooperate with the limiting groove for locking. At the same time, the centering portion 40 of the annular structure enables it to be centrally arranged in the limiting groove, and due to the coaxial structure of the first limiting portion 10 and the centering portion 40, the first limiting portion 10 and the locking area are well centrally connected, that is, the centering portion 40 can improve the stable connection effect between the buckle body and the locking area on the one hand, and on the other hand, by virtue of its shrinkage characteristics, the buckle body is centrally arranged in the locking area, thereby improving the connection effect and accuracy of the buckle structure; and further, in some embodiments of the present invention, the outer ring surface of the centering portion 40 is also provided with a concave, annular The connecting groove 410 of the structure, and the inner wall of the limiting groove is correspondingly provided with a protrusion. When connecting the buckle body and the locking area, when the buckle body is pushed into place in the locking area, the centering part 40 is snapped into the limiting groove, and at the same time, the protrusion on the limiting groove is snapped into the connecting groove 410 on the centering part 40, so that the centering part 40 maintains a stable connection effect in the limiting groove through the concave-convex snap-fit ​​structure. It should be noted that the structural design and connection of the protrusion and the connecting groove 410 are also achieved by means of the shrinkage of the centering part 40. After the centering part 40 is squeezed and shrunk internally, it is expanded to achieve the snap connection between the protrusion and the connecting groove 410, which can enhance the stability of the centering part 40 and reduce the risk of shaking of subsequent interior and exterior trims.

[0033] The buckle structure provided by the embodiment of the utility model realizes a locking connection through the buckle body and the locking area. At the same time, on the basis of setting the first limiting portion 10 to connect with the locking area, the buckle body is also provided with a centering portion 40 structure. The centering portion 40 is coaxial with the first limiting portion 10 and is arranged at intervals to assist the first limiting portion 10 in the centering and connection effect in the locking area. It is designed as an annular structure that can be deformed toward its center position, and the locking portion is also structurally updated to be designed with a limiting groove for the centering portion 40 to be inserted. The centering portion 40 with a certain deformation performance can be inserted into the limiting groove with a smaller size. At the same time, when the buckle body is pushed into place in the locking area, a protrusion is also designed in the locking area to engage with the connecting groove 410, so that the centering portion 40, on the one hand, enhances the locking connection effect of the buckle body to the locking area, and on the other hand, improves the centering performance of the buckle body in the locking area through the centering of the centering portion 40 in the limiting groove, thereby improving its connection accuracy.

[0034] Further, see Figure 3In some specific embodiments of the present invention, the centering part 40 specifically includes an outer ring body 420, a central axis 430 and connecting ribs 440, wherein the outer ring body 420 and the central axis 430 are connected by a plurality of connecting ribs 440, and the connecting ribs 440 not only play a structural fixing role, but also help to enhance the overall stability and bearing capacity of the centering part 40; in particular, the connecting ribs 440 adopt a curved structure design, with the central axis 430 as the center line, and are arranged divergently toward the outer ring body 420 on the circumference. The curved connecting ribs 440 enable the outer ring body 420 to shrink toward the central axis 430, and provide a certain deformation ability for the centering part 40, so that the centering part 40 can be smoothly inserted into the limiting groove.

[0035] It should be further explained that, preferably, several connecting ribs 440 are evenly arranged in the circumferential direction of the central axis 430, so that when the outer ring body 420 is subjected to external extrusion force, it can be evenly stressed in its circumferential direction and deformed toward the central axis 430 as a whole, thereby improving its centering accuracy in the limit groove and avoiding structural damage to the outer ring body 420 due to uneven force.

[0036] After the centering part 40 is inserted into the limiting groove, the connecting groove 410 on the centering part 40 is engaged with the raised part in the limiting groove, so that the centering part 40 maintains a stably connected state, wherein the connecting groove 410 is set as an annular structure, and the structure of the raised part can be freely set, such as the raised part can be designed as a plurality of arc-shaped raised parts arranged at intervals, so as to clamp the connecting groove 410 from a plurality of spaced points. At the same time, the raised part can also be a single continuous annular raised part, and the connecting groove 410 can completely wrap the raised part when it is engaged with the raised part, so that the centering part 40 and the limiting groove have a more uniform force distribution, thereby reducing local stress concentration and extending the service life of the buckle body.

[0037] Furthermore, in the buckle structure provided in the embodiment of the utility model, the buckle body also includes an insertion portion 50, a second limiting portion 20 and a third limiting portion 30, wherein the insertion portion 50 is a portion extending out of the locking area after the buckle body is connected to the locking area, and is used to connect to the sheet metal opening on the vehicle body, and the second limiting portion 20 is spaced apart from the first limiting portion 10, and the second limiting portion 20 and the first limiting portion 10 cooperate to clamp the plate structure in the locking area to effectively fix the plate to prevent it from being displaced during the connection process, thereby making the buckle and the locking area connected as an integral structure, and the third limiting portion 30 is used to abut one side of the sheet metal structure when the buckle structure is connected to the sheet metal structure of the vehicle, so as to provide an additional support portion for the buckle structure, so that the entire buckle structure maintains a stable state relative to the sheet metal structure.

[0038] It should be noted that the cooperation between the first limiting portion 10 and the second limiting portion 20 realizes the clamping effect of the buckle body on the plate in the locking area, and limits the displacement of the buckle body, so that the connection between the buckle body and the locking area is more secure. At the same time, in order to improve the versatility of the buckle body in the embodiment of the utility model and enable the buckle body to be suitable for locking areas with plates of different thicknesses, a flexible pad is also provided between the first limiting portion 10 and the second limiting portion 20. When it is necessary to clamp a thicker plate, the pad is compressed so that the first limiting portion 10 and the second limiting portion 20 can complete the clamping.

[0039] It should be noted that different decorative parts may have locking areas with different structures. For example, some locking areas have a slot structure inside, or a groove structure composed of two layers of plates, which can lock the first limiting portion 10 of a single disc structure. The process only requires pushing the first limiting portion 10 in and clamping it; while the locking area of ​​some structures includes a plate structure inside, so that the first limiting portion 10 and the second limiting portion 20 can be clamped and clamped together, so that in the above embodiment, the locking connection is achieved through the cooperation of the first limiting portion 10 and the second limiting portion 20.

[0040] Considering the sealing effect after the buckle structure is connected to the body sheet metal, see Figure 4 , Figure 5 and Figure 6 In some embodiments of the utility model, a sealing gasket 60 is further provided on one side of the third limiting portion 30 for abutting the sheet metal structure. The sealing gasket 60 is a cylindrical structure, and is preferably made of rubber, asbestos rubber or aramid gasket or other materials, so that the sealing gasket 60 has the ability to shrink along its axial direction. When the snap-fit ​​structure is connected to the vehicle body sheet metal, the third limiting portion 30 compresses the sealing gasket 60 to maintain the sealing effect on both sides of the sealing gasket 60.

[0041] Furthermore, in the snap-fit ​​structure provided in the embodiment of the utility model, the insertion portion 50 of the snap-fit ​​structure adopts a pointed structure to facilitate insertion into the corresponding hole on the vehicle sheet metal, and the insertion portion 50 of the pointed structure can provide a certain guiding effect, thereby improving the centering of the insertion portion 50 in the corresponding hole position of the sheet metal. At the same time, a metal shell 70 is sleeved on the outer periphery of the insertion portion 50 to provide additional strength and durability for the insertion portion 50, thereby ensuring the stability of the insertion portion 50 when connecting the vehicle sheet metal; in addition, the metal shell 70 is embedded in the sealing gasket 60 at one end facing the third limiting portion 30, and is connected to the sealing gasket 60 by snapping into an integrated structure. This structure not only enhances the connection stability between the metal shell 70 and the sealing gasket 60, but also provides a good sealing effect through the sealing gasket 60 to prevent leakage of liquid or gas.

[0042] Furthermore, in order to ensure the centering connection effect between the buckle body, the locking area and the vehicle sheet metal, in the buckle structure provided in the embodiment of the utility model, the first limiting portion 10, the second limiting portion 20 and the third limiting portion 30 all adopt a disc structure, and the three are coaxially arranged. The coaxial arrangement ensures the spatial alignment of each limiting portion, thereby improving the assembly accuracy of the buckle structure and the stability of the clamping plate. At the same time, after the centering portion 40 on the buckle body is docked with the limiting groove in the locking area, the first limiting portion 10, the second limiting portion 20 and the third limiting portion 30 can all be located at the designed position.

[0043] In addition, in order to reduce production costs and improve operational convenience, an inwardly concave weight-reducing groove 450 is also provided on one side of the central portion 40 on the central axis of the buckle body. The depth of the weight-reducing groove 450 preferably extends to the position of the first limiting portion 10 and does not exceed the first limiting portion 10 to maintain the connection strength of the first limiting portion 10. The design of the weight-reducing groove 450 helps to reduce the overall weight of the buckle structure without affecting its structural strength, making the buckle structure lighter and easier to install and disassemble.

[0044] Furthermore, some embodiments of the utility model also provide a vehicle, in which at least part of the interior and exterior parts of the vehicle are fixedly connected to the vehicle sheet metal through the snap-in structure provided by any of the above embodiments. Since the snap-in structure in the above embodiments has the above technical effects, the vehicle also has the above technical effects, which will not be repeated herein.

[0045] It should be noted that, for the convenience of description, only the parts related to the utility model are shown in the drawings. In the absence of conflict, the embodiments and features in the embodiments of the utility model can be combined with each other.

[0046] As shown in the utility model and claims, unless the context clearly indicates an exception, the words "a", "an", "a kind" and / or "the" do not specifically refer to the singular, but may also include the plural. Generally speaking, the terms "include" and "comprise" only indicate the inclusion of clearly identified steps and elements, and these steps and elements do not constitute an exclusive list, and the method or device may also include other steps or elements. The elements defined by the sentence "includes a..." do not exclude the existence of other identical elements in the process, method, commodity or device that includes the elements.

[0047] In the following, the terms "first" and "second" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features.

[0048] The above description is only a preferred embodiment of the utility model and an explanation of the technical principles used, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. The scope of the utility model involved in the utility model is not limited to the technical solution formed by a specific combination of the above-mentioned technical features, but also should cover other technical solutions formed by any combination of the above-mentioned technical features or their equivalent features without departing from the concept of the above-mentioned utility model. For example, the above-mentioned features are replaced with the technical features with similar functions disclosed in the utility model (but not limited to) to form a technical solution.

Claims

1. A buckle structure, characterized in that: The buckle body comprises a buckle body and a locking area, wherein the buckle body comprises a first limiting portion for being inserted into the locking area, and a centering portion coaxial with the first limiting portion and spaced apart, wherein the centering portion is an annular structure that can be deformed toward its center position, and an annular connecting groove is formed on the outer ring surface of the centering portion; The locking area is arranged on the structural part to be connected, and a limiting groove for the centering part to be inserted into is arranged in the locking area. The limiting groove is circular and its cross-sectional dimension is slightly smaller than the cross-sectional dimension of the centering part under normal conditions. A protrusion is arranged on the inner wall of the limiting groove. When the buckle body is pushed into place in the locking area, the protrusion is inserted into the connecting groove.

2. The buckle structure according to claim 1, characterized in that: The centering part includes an outer ring body, a central axis and connecting ribs. The outer ring body and the central axis are connected to form an integral structure through a plurality of connecting ribs. The connecting ribs are curved structures and are arranged to diverge toward the outer ring body with the central axis as the center line.

3. The buckle structure according to claim 2, characterized in that: The connecting ribs are evenly arranged in three rows in the circumferential direction of the central axis.

4. The buckle structure according to claim 1, characterized in that: The protrusion is a plurality of arc-shaped protrusions arranged at intervals or a single continuous annular protrusion.

5. The buckle structure according to claim 1, characterized in that: The buckle body also includes an insertion portion, a second limiting portion and a third limiting portion. The second limiting portion cooperates with the first limiting portion to clamp the plate structure in the locking area. The insertion portion is used to connect the vehicle sheet metal, and the third limiting portion is used to abut against one side of the sheet metal structure to be connected.

6. The buckle structure according to claim 5, characterized in that: The third limiting portion is used to abut against a side of the sheet metal structure and is provided with a sealing gasket, and the sealing gasket is a cylindrical structure and can shrink along its axial direction.

7. The buckle structure according to claim 6, characterized in that: The inserting portion is a pointed structure provided with a metal shell, and one end of the metal shell facing the third limiting portion is embedded in the sealing gasket and is clamped with the sealing gasket to form an integrated structure.

8. The buckle structure according to claim 5, characterized in that: The first limiting portion, the second limiting portion and the third limiting portion are all disc structures and are coaxially arranged.

9. The buckle structure according to claim 1, characterized in that: A concave weight-reducing groove is arranged on one side of the centering portion on the central axis of the buckle body.

10. A vehicle, characterized in that: At least part of the interior trim is fixedly connected to the vehicle sheet metal via the buckle structure described in any one of claims 1 to 9.

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