CN220015725U - Buckle structure and car - Google Patents

Abstract

The utility model provides a buckling structure and an automobile, and relates to the technical field of automobile parts. According to the utility model, the stainless steel core body is arranged in the plastic buckle body, so that the rigidity of the buckle structure is increased, the buckle is not easy to deform, the connection reliability is ensured, meanwhile, the two clamping joints of the plastic buckle body are respectively in plug-in fit with the mounting holes of the two parts, the elastic deformation of the clamping joints is utilized to clamp the plastic buckle body and the two parts, the holes are arranged on the parts for plug-in fit, the structural limitation on the parts is small, the occupied space is small, and the disassembly and the assembly are convenient.

Description

Buckle structure and car

Technical Field

The utility model relates to the technical field of automobile parts, in particular to a buckle structure and an automobile.

Background

Plastic snaps have found widespread use on vehicles, such as one part, for example, a trim piece, that is mounted to another part on the vehicle by a plastic snap. The prior art generally has two mounting modes, firstly, a mounting boss base is designed on one part, a plastic buckle is matched with the boss base, then the other part is clamped with the plastic buckle, however, the forming process for arranging the boss base is complex, the occupied mounting space is large, the plastic buckle is easy to deform, and the connection reliability is poor; secondly, directly fix plastics buckle on one of them part with mode such as welding or glue even, with another part and plastics buckle joint again, though occupation space is little, demolish inconveniently, the part disability rate is high, and plastics buckle is yielding, and connection reliability is poor.

Disclosure of Invention

The utility model aims to solve the technical problem that the conventional connecting buckle cannot realize convenient disassembly and stable connection between two parts under the condition of limited space.

In a first aspect, the utility model provides a fastening structure, which comprises a plastic fastening body and a stainless steel core body, wherein the plastic fastening body is arranged between two parts, mounting holes are respectively formed in the two parts, clamping connectors corresponding to the mounting holes are respectively arranged at two ends of the plastic fastening body, and the clamping connectors are used for being inserted into the mounting holes.

Compared with the prior art, the buckle structure provided by the utility model has at least the following advantages:

through establishing the mounting hole on waiting to connect two parts, set up the joint at the both ends of plastics buckle body respectively, in one of them joint can insert the mounting hole of one of them part, utilize the elastic deformation of joint in order to ensure its stable connection with this part, another joint inserts the mounting hole of another part in a similar manner again to this realizes the buckle connection between two parts. Through establish stainless steel core in the plastics buckle body is inside, adopt steel to mould mixed material promptly and make buckle structure, the rigidity of buckle structure has been increased, be difficult for yielding, ensure the connection reliability, simultaneously, the both ends of plastics buckle body design double cassette joint, two cassette joints peg graft the cooperation with the mounting hole on two parts respectively, compare earlier with the boss base matching installation or welded fastening on one of them part of one end of buckle, the scheme of the other end and another part joint of buckle again, occupation space is little, the structural requirement to the part is low, easy dismounting moreover, difficult cause the part to scrap, the convenient dismouting between two parts has been realized under the limited condition in space.

Optionally, the clamping connector comprises clamping bosses and limiting guide ribs which are alternately arranged along the circumferential direction.

Optionally, two clamping bosses and two limiting guide ribs are respectively arranged, and the two clamping bosses and the two limiting guide ribs are arranged in a crisscross manner.

Optionally, the clamping bosses of the two clamping joints are tapered from opposite ends to opposite ends; and/or the limiting guide ribs of the two clamping joints are in tapered structures from opposite ends to opposite ends.

Optionally, the clamping bosses of the two clamping joints are arranged in a staggered manner.

Optionally, the buckle structure further comprises a cushion pad, two cushion pads are arranged in the middle of the plastic buckle body, and the two cushion pads are respectively connected with one ends of the two opposite clamping joints.

Optionally, the cushion pad is made of foam rubber.

Optionally, a part between the two buffer pads is provided with a gear ring on the plastic buckle body, and two ends of the gear ring are respectively connected with the two buffer pads in a fitting way.

Optionally, the circumferential side wall of the gear ring is recessed to be perpendicular to the axial direction of the plastic buckle body so as to form a V-shaped groove.

In a second aspect, the present utility model provides an automobile, including the above-mentioned fastening structure. Compared with the prior art, the automobile has the advantages that the automobile is identical to the buckle structure, and the automobile is not repeated.

Drawings

FIG. 1 is a schematic view of a mounting structure of a buckle structure and a first view of a part according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a mounting structure of a buckle structure and a second view of a part according to an embodiment of the present utility model;

fig. 3 is a schematic structural view of a first view of a buckle structure according to an embodiment of the present utility model;

FIG. 4 is a cross-sectional view of a snap-fit structure according to an embodiment of the present utility model;

fig. 5 is a schematic structural view of a second view of the buckle structure according to the embodiment of the present utility model;

fig. 6 is a schematic structural view of a third view of the buckle structure according to the embodiment of the present utility model.

Reference numerals illustrate:

1. a plastic buckle body; 11. a clamping joint; 111. the boss is clamped; 112. limiting guide ribs; 12. a gear ring; 2. a stainless steel core; 3. a cushion pad; 41. a first part; 42. and a second part.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "mounted," "connected," "coupled," and "mated" are to be construed broadly, and may be, for example, fixedly coupled, detachably coupled, or integrally coupled; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those skilled in the art according to the specific circumstances.

In addition, in the description of the present utility model, it should be noted that terms such as "upper", "lower", "front", "rear", etc. in the embodiments indicate terms of orientation, and only for simplifying the positional relationship of the description based on the drawings of the specification, it does not represent that the elements and devices etc. referred to must be operated according to the operations and methods and configurations defined in the specific orientation and limitation of the present utility model, and such orientation terms do not constitute limitations of the present utility model.

Herein, a coordinate system XYZ is established, in which the forward direction of the X-axis represents the front, the reverse direction of the X-axis represents the rear, the forward direction of the Y-axis represents the left, the reverse direction of the Y-axis represents the right, the forward direction of the Z-axis represents the top, and the reverse direction of the Z-axis represents the bottom.

As shown in fig. 1-4, an embodiment of the present utility model provides a fastening structure, which includes a plastic fastening body 1 and a stainless steel core 2, wherein the stainless steel core 2 is disposed inside the plastic fastening body 1, the plastic fastening body 1 is configured to be disposed between two parts, mounting holes are respectively disposed on the two parts, two ends of the plastic fastening body 1 are respectively provided with a fastening head 11 corresponding to the mounting holes, and the fastening head 11 is configured to be inserted into the mounting holes.

Specifically, the axis of the plastic buckle body 1 is along the direction shown by the Z axis, so that the two parts to be connected are the first part 41 and the second part 42, the first part 41 can be provided with a circular first mounting hole, the second part 42 can be provided with a circular second mounting hole, the clamping connector 11 is a part of the plastic buckle body 1 and is made of plastic, the clamping connector 11 is suitable for elastic deformation, when the clamping connector 11 is inserted into the mounting hole, the clamping connector 11 can be extruded and deformed, and after the clamping connector is inserted into place, the clamping connector 11 has a trend of recovering the elastic deformation so as to lock the parts and the clamping connector.

In this embodiment, two ends of the plastic buckle body 1 are respectively provided with a clamping connector 11, wherein one clamping connector 11 can be inserted into the mounting hole of the first part 41, and the other clamping connector 11 can be inserted into the mounting hole of the second part 42 in a similar manner, so as to realize the buckle connection between the first part 41 and the second part 42. The stainless steel core body 2 is used as a framework of the buckle structure. The stainless steel core body 2 is arranged in the plastic buckle body 1, namely, the buckle structure is made of a steel-plastic mixed material, so that the rigidity of the buckle structure is increased, the buckle structure is not easy to deform, the connection reliability is ensured, and the connection between two parts with larger mass can be realized; meanwhile, the two ends of the plastic buckle body 1 are provided with the double-clamping connectors, the two clamping connectors 11 are respectively matched with the mounting holes on the two parts in an inserting manner, compared with the prior scheme that one end of the buckle is matched with the boss base on one of the parts for mounting or welding and fixing, the other end of the buckle is clamped with the other part, the plastic buckle is small in occupied space, low in structural requirement on the parts, convenient to mount and demount, and not easy to cause scrapping of the parts, and convenient dismounting between the two parts under the condition of limited space is realized.

As shown in fig. 3 and 6, the clip 11 may alternatively include a clip boss 111 and a limit guide rib 112 that are alternately arranged along the circumferential direction.

In this embodiment, the clamping boss 111 is clamped and fixed with the mounting hole of the part, so as to limit the part from moving along the axial direction of the plastic buckle body 1, ensure the fixation of the part and the buckle structure along the axial direction, and the limiting guide rib 112 can be used as a guide when the clamping head 11 is inserted into the mounting hole, and can limit the clamping head 11 to rotate along the circumferential direction relative to the mounting hole, so as to ensure the stability of connection. Here, the circumferential dimension of the engagement boss 111 is large, and the circumferential dimension of the limit guide rib 112 is small.

As shown in fig. 6, alternatively, two clamping bosses 111 and two limiting guide ribs 112 are respectively provided, and the two clamping bosses 111 and the two limiting guide ribs 112 are disposed in a crisscross arrangement.

Specifically, the shapes of the two clamping connectors 11 are the same, and by taking one of them as an example, the two clamping bosses 111 are symmetrically arranged left and right, the two limiting guide ribs 112 are symmetrically arranged front and back, the limiting guide ribs 112 are of a plate-shaped structure, the thickness is small, the outer contours of the two limiting guide ribs 112 and the outer contours of the two clamping bosses 111 are located on the same circumference so as to be in matched contact with the inner wall surface of the mounting hole, and the two clamping bosses 111 and one end of the two limiting guide ribs 112, which faces the axis of the plastic buckle body 1, are connected through a cross connecting piece, so that the structural stability of the clamping connector 11 is improved.

Of course, in other embodiments, three, four, etc. of the clamping boss 111 and the limiting guide rib 112 may be provided.

As shown in fig. 3 and 5, alternatively, the clamping bosses 111 of the two clamping connectors 11 are tapered from opposite ends to opposite ends; and/or, the limit guide ribs 112 of the two clamping joints 11 are tapered from opposite ends to opposite ends.

Specifically, the clamping boss 111 may be obtained by cutting a conical or truncated cone-like structure along a plane parallel to the central plane of symmetry, and of course, the adjacent planes may be connected by adopting a smooth transition of arc surfaces; the limiting guide rib 112 is plate-shaped, and one end of the limiting guide rib 112 far away from the axis of the plastic buckle body 1 can be an arc-shaped surface or a plurality of inclined surfaces which are connected in sequence.

In this embodiment, the clamping bosses 111 of the two clamping joints 11 taper from opposite ends to opposite ends; and/or, the limit guide ribs 112 of the two clamping connectors 11 are in a tapered structure from opposite ends to opposite ends, that is, the two clamping connectors 11 are in a tapered structure from opposite ends to opposite ends, when the two clamping connectors are inserted into the mounting holes, the small ends of the clamping connectors 11 firstly enter the mounting holes, and the guiding effect is utilized to improve the plugging and mounting efficiency.

As shown in fig. 3 and 5, alternatively, the clamping bosses 111 of the two clamping connectors 11 are arranged in a staggered manner.

In this embodiment, one of the clamping connectors 11 may be mirrored along the XY plane, and then rotated by 90 ° to obtain another clamping connector 11, where the clamping bosses 111 of the two clamping connectors 11 are arranged in a staggered manner, and the limiting guide ribs 112 are also arranged in a staggered manner.

As shown in fig. 3-5, the fastening structure optionally further includes a cushion pad 3, two cushion pads 3 are disposed in the middle of the plastic fastening body 1, and two cushion pads 3 are respectively connected to opposite ends of the two fastening connectors 11. The cushion pad 3 is made of foam rubber.

In this embodiment, the cushion pad 3 is in a ring shape, the cross-sectional dimension of the cushion pad 3 is greater than the maximum cross-sectional dimension of the clip connector 11, a step-like structure is formed between the cushion pad 3 and the clip connector 11, the cushion pad 3 can elastically deform along the axial direction of the plastic fastener body 1, and the cushion pad 3 can be made of foam rubber, so as to play a role in sealing and preventing abnormal sound to a certain extent; after the clamping connector 11 is inserted into the mounting hole of the part, the corresponding buffer pad 3 is abutted against the surface of the part, so that the mounting hole is sealed on one hand, the mounting is in place on the other hand, and the connection between the part and the clamping connector 11 is more stable due to the resilience force of the buffer pad 3.

As shown in fig. 3-5, optionally, a gear ring 12 is provided on a part of the plastic buckle body 1 between two cushion pads 3, and two ends of the gear ring 12 are respectively attached to the two cushion pads 3.

In this embodiment, the gear ring 12 and the clamping head 11 can be integrally formed, and the steel-plastic mixed material can be elastically deformed along the axial direction, so that after the two parts are installed in place, the gear ring 12 can generate a certain rebound force along the axial direction, and the fastening structure and the two parts are firmly installed.

As shown in fig. 3 to 5, alternatively, the circumferential side wall of the gear ring 12 is recessed in a direction perpendicular to the axis of the plastic snap body 1 to form a V-shaped groove.

In this embodiment, the cross section of the gear ring 12 may be V-shaped or U-shaped, preferably V-shaped, and two side walls of the V-shape are respectively attached to the two cushions 3, so that in the process of mounting the parts, the two side walls of the gear ring 12 are subjected to opposite acting forces and are deformed by extrusion inwards, and after the parts are mounted in place, the two side walls of the gear ring generate opposite elastic restoring forces, so as to ensure that the fastening structure is firmly mounted with the two parts.

It should be noted that the two parts to be connected may be metal parts, or be non-metal parts, or one of them is a metal part and the other is a non-metal part. The metal may be sheet metal, aluminum, or the like.

Another embodiment of the present utility model provides an automobile, including the above-mentioned fastening structure. Compared with the prior art, the automobile has the advantages that the automobile is the same as the buckle structure, and description is not repeated.

Although the utility model is disclosed above, the scope of the utility model is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the utility model, and these changes and modifications will fall within the scope of the utility model.

Claims (10)

1. The utility model provides a buckle structure, its characterized in that, includes plastics buckle body (1) and stainless steel core (2), the inside of plastics buckle body (1) is equipped with stainless steel core (2), plastics buckle body (1) are used for setting up between two parts, two be equipped with the mounting hole on the part respectively, the both ends of plastics buckle body (1) be equipped with respectively with bayonet joint (11) corresponding in the mounting hole, bayonet joint (11) are used for inserting in the mounting hole.

2. The fastening structure according to claim 1, wherein the fastening joint (11) includes fastening bosses (111) and limiting guide ribs (112) alternately arranged along a circumferential direction.

3. The fastening structure according to claim 2, wherein two fastening bosses (111) and two limiting guide ribs (112) are respectively provided, and the two fastening bosses (111) and the two limiting guide ribs (112) are disposed in a crisscross arrangement.

4. The snap-in structure according to claim 2, characterized in that the snap-in bosses (111) of two snap-in connectors (11) taper from opposite ends to opposite ends; and/or the limit guide ribs (112) of the two clamping joints (11) are in tapered structures from opposite ends to opposite ends.

5. The fastening structure according to claim 2, characterized in that the fastening bosses (111) of the two fastening tabs (11) are arranged offset.

6. The buckle structure according to claim 1, further comprising a cushion pad (3), wherein two cushion pads (3) are provided in the middle of the plastic buckle body (1), and the two cushion pads (3) are respectively connected to opposite ends of the two clamping joints (11).

7. The buckle structure according to claim 6, characterized in that the cushion pad (3) is made of foam glue.

8. The fastening structure according to claim 6, wherein a gear ring (12) is provided on a portion of the plastic fastening body (1) between two of the cushion pads (3), and two ends of the gear ring (12) are respectively attached to two of the cushion pads (3).

9. The snap structure according to claim 8, characterized in that the circumferential side wall of the gear ring (12) is recessed in a direction perpendicular to the axis of the plastic snap body (1) to form a V-shaped groove.

10. An automobile comprising a snap-fit arrangement according to any one of claims 1-9.