CN216546074U - Buckle structure and bumper - Google Patents

Abstract

The utility model provides a buckle structure and a bumper, relates to the field of automobiles, and can solve the problems that the matching and installation of bumper parts are too complex and the material consumption is more; and a V-shaped notch is formed in the inner side of the joint of the first plate and the second plate.

Description

Buckle structure and bumper

Technical Field

The utility model relates to the field of automobiles, in particular to a buckle structure and a bumper.

Background

The automobile front bumper assembly comprises various components, and the matching structure between the components of the automobile front bumper assembly has various structural forms, and generally comprises: the tongue piece clamping device is fastened through self-tapping screws, bolts, vertical cutter-shaped tongue pieces and square-shaped tongue pieces. Where the cooperation by self-tapping screws and tongue clips is common.

The inventor believes that the matching structure of the parts in the prior bumper assembly has the following problems:

firstly, a structural form of fastening by a self-tapping screw usually needs to design a screw column (BOSS column) structure on one of two matching pieces, and under the condition that the surface is an appearance surface, the screw column (BOSS column) or a dog house hole (DOGHOUSE) is designed and used, so that appearance problems such as welding marks and the like are left on the surface of a bumper, and the occupied space is large;

secondly, through the structural form of bolt fastening, a reed nut is usually required to be added on a counterpart piece, so that the total weight of the part is increased, the cost is increased, and the design space is large;

the tongue piece buckle structure in the shape of a Chinese character 'kou' is usually designed on the counterpart piece through the structural form of tongue piece clamping in the shape of a vertical knife; through the structural form of tongue piece clamping in the shape of a square, a tongue piece clamping structure in the shape of a vertical knife needs to be designed on a counterpart; both of these structures occupy a large space in the clamping direction. If the counterpart is an appearance piece, the application limitation is high.

SUMMERY OF THE UTILITY MODEL

An object of the first aspect of the present invention is to provide a buckle structure to solve the problems of complicated matching installation and high material consumption between bumper parts.

A further purpose of the utility model is to meet the requirements of durability and reliability of parts and the requirement of assembly space of parts while ensuring the appearance requirement of the bumper skin.

An object of the second aspect of the present invention is to provide a bumper, which has the bayonet structure, and the appearance of the bumper can meet the requirement, and the parts can be assembled reasonably.

Particularly, the utility model provides a clamping structure which comprises a first plate, a second plate and a clamping tongue piece, wherein the first plate is elastically connected with the second plate so that the second plate can swing around the first plate, the edge of one side, far away from the first plate, of the second plate is connected with the clamping tongue piece, and the clamping tongue piece and the first plate are both located on the same side of the second plate;

v-shaped notches are formed in the inner side of the joint of the first plate and the second plate.

Further, a first structural angle is formed between a first wall surface forming the notch and the inner side surface of the first plate, a second structural angle is formed between a second wall surface forming the notch and the inner side surface of the second plate, and the second structural angle is larger than the first structural angle.

Further, the first structural angle and the second structural angle are both obtuse angles.

Further, the valley bottom of the V-shaped notch is planar.

Further, a distance of a valley bottom of the V-shaped notch from the outer side surface of the first plate is greater than a depth of the V-shaped notch.

Further, a distance of a valley bottom of the V-shaped notch from the outer side of the second plate is greater than a depth of the V-shaped notch.

Furthermore, the lateral surface of joint tongue piece is equipped with the arch, and bellied section is triangle-shaped.

Further, the angle between the clamping tongue piece and the second plate is an obtuse angle.

Particularly, the utility model also provides a bumper which comprises a bumper skin, wherein the bumper skin is connected with the buckling structure, and the buckling structure is used for buckling the bumper skin inner side bracket.

Further, the buckle structure is provided with a plurality of.

According to the buckle structure provided by the utility model, the second plate can swing around the first plate more freely through the notch arranged on the inner side of the joint of the first plate and the second plate, and meanwhile, better clamping force and strength can be kept; the inner side bracket of the bumper skin is clamped by using a clamping tongue piece; therefore, the buckle structure solves the problem of matching connection between the bumper outer skin and the inner side bracket, and meets the requirements of durability and reliability of matching connection between parts.

Furthermore, by using the buckle structure provided by the utility model, welding marks can be prevented from being left on the outer surface of the bumper, and the appearance requirement of the bumper is ensured.

Furthermore, the bayonet structure comprises a first plate, a second plate and a clamping tongue piece, wherein the clamping tongue piece and the first plate are both positioned on the same side of the second plate, so that the whole bayonet structure is compact, the material cost of a product can be reduced, the design structure of a mold is simplified, and the mold cost is correspondingly reduced; the problems that the matching and installation between parts of the bumper are too complex and the material consumption is more are solved.

The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.

Drawings

Some specific embodiments of the utility model will be described in detail hereinafter, by way of illustration and not limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:

FIG. 1 is a schematic view of a bumper structure according to one embodiment of the present invention;

FIG. 2 is a cross-sectional view taken along section line A-A of FIG. 1;

FIG. 3 is a schematic view of a bumper construction showing a cut line B-B in accordance with one embodiment of the present invention;

FIG. 4 is a cross-sectional view taken along section line B-B of FIG. 3;

FIG. 5 is a cross-sectional view showing structural details of the insertion face and the snap face of the snap tab of FIG. 2;

FIG. 6 is an enlarged schematic view of the area C of FIG. 5 showing dimensions;

fig. 7 is a dimensional schematic showing the angular relationship of the reference plane of the snap tab to the insertion plane and the angular relationship of the snap tab to the second plate of fig. 2.

In the figure:

1-bumper skin;

2-a buckle structure;

21-a first snap feature;

22-a second interface card structure;

23-a third snap structure;

201-a first plate;

202-a second plate;

203-a snap tab;

204-V-shaped notch;

2011-first wall;

2021-a second wall;

2031-insertion side;

2032-card interface;

3-headlamp cleaning device support.

Detailed Description

Fig. 2 is a schematic cross-sectional view of a snap structure 2 according to an embodiment of the utility model. The buckle structure 2 in the embodiment is used for being arranged on the inner side of the bumper skin 1 to connect with a bracket on the inner side of the bumper skin 1, and comprises a first plate 201, a second plate 202 and a clamping tongue piece 203, wherein the first plate 201 and the second plate 202 are connected to form a bendable buckle, and the inner side of the bendable buckle is connected with the clamping tongue piece 203; specifically, the bendable buckle is formed by elastically connecting a first plate 201 with a second plate 202, wherein the first plate 201 is elastically connected with the second plate 202 so that the second plate 202 can swing around the first plate 201, and the first plate 201 is generally perpendicular to the second plate 202 under the condition of no external force; the edge of one side of the second plate 202, which is far away from the first plate 201, is connected with the snap tongue 203, and the snap tongue 203 and the first plate 201 are both located on the same side of the second plate 202, so that the second plate 202 is actually located at the outermost edge of the snap structure 2; in order to facilitate the free movement between the first plate 201 and the second plate 202 and maintain better clamping force and strength, a V-shaped notch 204 is formed on the inner side of the joint of the first plate 201 and the second plate 202.

In this embodiment, the opening direction of the V-shaped notch 204 is defined as an inner direction, the direction away from the V-shaped notch 204 is defined as an outer direction, and the inner and outer directions are clearly shown.

To further describe the specific structure of the snap structure 2 in the present embodiment, an angle formed between the first wall 2011 forming the notch and the inner side surface of the first plate 201 is named as a first structural angle, and an angle formed between the second wall 2021 forming the notch and the inner side surface of the second plate 202 is named as a second structural angle, which is larger than the first structural angle.

More specifically, referring to fig. 6, in the present embodiment, the angle of the first structural angle is 120 °, and the angle of the second structural angle is 150 °, so that the swing angle of the second plate 202 is enlarged under the condition that the first plate 201 is fixed.

In further embodiments, the first structure angle may also be 125 °, 130 °, 135 °, the second structure angle being respectively 150 °, 145 °, 140 °

It will be appreciated that to facilitate the construction of the V-shaped notch 204, both the first and second structural angles are obtuse angles in this embodiment.

In yet another embodiment, the first configuration angle may be an acute angle and the second configuration angle may be greater than 180 °.

Referring to fig. 6, for convenience of processing and subsequent processing, the valley bottom of the V-shaped notch 204 in this embodiment is machined, and the valley bottom of the V-shaped notch 204 is planar, and the width of the planar structure is 0.3 mm.

In further embodiments, the width of the planar structure may also be 0.4mm, 0.5mm, 0.6 mm.

Further, the distance of the valley bottom of the V-shaped notch 204 from the outer side surface of the first plate 201 is greater than the depth of the V-shaped notch 204, and is 0.8 mm.

In further embodiments, the distance between the valley bottom of the V-shaped notch 204 and the outer side surface of the first plate 201 is greater than the depth of the V-shaped notch 204, which may also be 0.6mm, 0.7mm, 0,9 mm.

In yet another embodiment, the valley bottom of the V-shaped notch 204 is a distance from the outer side of the second plate 202 that is greater than the depth of the V-shaped notch 204.

Specifically, the outer side surface of the snap-in tongue 203 is provided with a protrusion, and the cross section of the protrusion is triangular. The protrusion has two inclined surfaces, which are a clamping surface 2032 and an insertion surface, wherein the insertion surface extends back to the second plate 202 and intersects with the other surface of the clamping tongue 203 to form a tip. Referring to fig. 7, the angle between the insertion surface and the reference surface of the snap tongue 203 is 145 °.

In further embodiments, the angle between the mating surface and the reference surface of snap tab 203 may also be 140 ° and 150 °.

More specifically, the angle between the snap tongue 203 and the second plate 202 is obtuse. Referring to fig. 7, in the embodiment, an angle between the locking tongue 203 and the second plate 202 is specifically 120 °.

In further embodiments, the angle between snap tab 203 and second plate 202 may also be 115 °, 125 °.

Particularly, referring to fig. 1 and 4, the utility model also discloses a bumper, which comprises a bumper skin 1, wherein the bumper skin 1 is connected with the buckle structure 2, and the buckle structure 2 is used for clamping the inner side bracket of the bumper skin 1. The bendable snap is connected to the bumper skin 1 to form one integral piece. The bendable buckle is bent inwards by 90 degrees and is clamped with the headlamp cleaning device support 3 in the front-back direction, so that the headlamp cleaning device support 3 is fixed on the inner side of the bumper skin 1 and is tightly attached to the inner side of the bumper skin 1, and the limiting effect in the front-back direction is achieved. The main function of the bendable buckle is to clamp the headlamp cleaning device bracket 3 in the front-back direction and to be matched with the bumper skin 1 to limit the headlamp cleaning device bracket at a fixed position. Referring to fig. 2, fig. 6 and fig. 7, when designing the fastening structure of the headlight cleaning device bracket 3, a step surface with the same thickness as the first plate 201 or the second plate 202 needs to be formed. Accordingly, the snap-in tongue 203 is used for snap-in connection with the headlight cleaning device carrier 3, so that the headlight cleaning device carrier 3 is firmly fixed. The clamping amount of clamping tongue 203 is 1.5mm, the angle of the inserting surface 2031 of the tongue is 45 degrees, and the angle of the clamping surface 2032 is 60 degrees.

In further embodiments, the amount of snap tab 203 may also be 1.3mm, 1.4mm, 1.6mm, the angle of insertion surface 2031 of the tab may also be 40 °, 50 °, and the angle of snap surface 2032 may also be 55 °, 65 °.

It is understood that the headlight cleaning device carrier 3 is one of the inner side carriers of the bumper skin 1.

The snap structure 2 is provided in plurality for stability of the connection.

Specifically, there are 3 fastening structures 2 in this embodiment, which are respectively the first fastening structure 21, the second fastening structure 22 and the third fastening structure 23, and the distance between adjacent fastening structures 2 is equal.

In yet another embodiment, the number of snap structures 2 may also be 2 or 4 or 5 or another number.

Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the utility model have been illustrated and described in detail herein, many other variations or modifications consistent with the principles of the utility model may be directly determined or derived from the disclosure of the present invention without departing from the spirit and scope of the utility model. Accordingly, the scope of the utility model should be understood and interpreted to cover all such other variations or modifications.

Claims (10)

1. The clamping structure is characterized by comprising a first plate, a second plate and a clamping tongue piece, wherein the first plate is elastically connected with the second plate so that the second plate can swing around the first plate, the edge of one side, far away from the first plate, of the second plate is connected with the clamping tongue piece, and the clamping tongue piece and the first plate are both positioned on the same side of the second plate;

v-shaped notches are formed in the inner side of the joint of the first plate and the second plate.

2. The snap structure according to claim 1, wherein a first structural angle is formed between a first wall surface constituting the notch and the inner side surface of the first plate, and a second structural angle is formed between a second wall surface constituting the notch and the inner side surface of the second plate, the second structural angle being greater than the first structural angle.

3. The snap structure according to claim 2, wherein the first and second structural angles are both obtuse angles.

4. The snap structure according to claim 1, wherein a valley bottom of the V-shaped notch is planar.

5. The snap structure according to claim 1, wherein a valley bottom of the V-shaped notch is at a distance from the first plate outer side surface that is greater than a depth of the V-shaped notch.

6. The snap structure according to claim 1, wherein a valley bottom of the V-shaped notch is at a distance from the second plate outer side surface that is greater than a depth of the V-shaped notch.

7. The buckle structure of claim 1, wherein a protrusion is disposed on an outer side surface of the snap tongue, and a cross section of the protrusion is triangular.

8. The snap structure according to claim 1 or 7, wherein the angle between the snap tongue and the second plate is an obtuse angle.

9. A bumper comprising a bumper skin to which is attached a snap-fit arrangement according to any one of claims 1 to 8 for snap-fitting a bumper skin inner bracket.

10. The bumper of claim 9, wherein the snap structure is provided in plurality.

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