CN215436281U - Automobile front door trim buffering structure - Google Patents

Abstract

The embodiment of the application discloses a front door trim plate buffer structure of an automobile, which is arranged on a trim plate of a front door of the automobile and comprises a buffer block, wherein at least one weakening structure for absorbing energy is arranged on the buffer block; the map bag is connected with the buffer block through a connecting part; the positioning structure is arranged on the connecting part and one side of the map bag opposite to the connecting part. This car front door plaque buffer structure links buffer block and map bag as an organic whole, can save fashioned mould quantity like this, reduces the shaping cost, reduces spare part quantity when later stage assembly, and then has reduced the degree of difficulty of assembly, guarantees the required precision of assembly. Be provided with the reduction structure on the buffer block, the whole buffer block of being convenient for can take place deformation or even fracture when receiving the impact in the later stage, satisfies the requirement of the energy-absorbing that contracts of collapsing of bumping laterally. Wherein through designing two sets of location structures, can guarantee effectively map bag and buffer block when with the plaque location requirement of assembly, guarantee the precision of assembly.

Description

Automobile front door trim buffering structure

Technical Field

The embodiment of the application belongs to the technical field of automobile parts, and particularly relates to a front door trim board buffer structure of an automobile.

Background

With the rapid development of the automobile industry, electric automobiles, hybrid automobiles and extended-range automobiles develop rapidly, and modern automobiles are more and more concerned about safety by automobile host factories and consumers while pursuing comfort and large space.

In order to ensure the safety of passengers, energy dissipation blocks are often installed on the positions of automobile doors, and when the doors of the automobiles are impacted, the energy dissipation blocks absorb the impact and protect the passengers. At present, a map bag bottom plate is generally arranged on the position of the automobile door panel, and the automobile door panel can effectively absorb external impact force by utilizing the map bag bottom plate and the energy dissipation block, so that the protection capability is improved. However, the existing map bag bottom plate and the energy dissipation block are usually two independent components, and the independent die opening is usually needed when the energy dissipation block and the map bag bottom plate are manufactured, so that the production is troublesome.

In order to solve the problems, the Chinese patent publication No. CN 206374673U-a map bag and energy absorption block integrated structure discloses a technical scheme for integrating a map bag and an energy absorption block, and the scheme reduces the number of parts and reduces the assembly procedures on the premise of keeping the functions complete; the number of parts and the number of dies are reduced, and the die cost is reduced. Although this technical scheme is through being integrated as a whole with map bag and energy-absorbing piece, because the structure of two independent parts is more complicated originally in comparison to integrative integrated structure, and the mounted position of car door plant is not smooth dull and stereotyped structure moreover, has leaded to the integrated structure installation degree of difficulty to increase, produces assembly tolerance easily between integrated structure and the car door plant, very influences the positioning accuracy of integrated structure and car door plant, and then influences the security of whole car qianmen.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application aims at solving at least one technical problem existing in the prior art. Therefore, the embodiment of the application provides a front door trim panel buffer structure of an automobile, which can reduce the production cost, is convenient for positioning and improves the assembly precision.

According to this application embodiment's a car front door plaque buffer structure, install on the plaque of car front door, include: the buffer block is provided with at least one weakening structure for absorbing energy; the map bag is connected with the buffer block through a connecting part; the positioning structure is arranged on the connecting part and one side of the map bag opposite to the connecting part.

According to some embodiments of the application, the cushion block, the connecting portion and the map pocket are an integrally formed body.

According to some embodiments of the present application, the buffer block and the map pocket are provided with connection columns at both outer circumferential sides thereof.

According to some embodiments of the present application, the positioning structure comprises at least one of a positioning hole groove and a positioning column.

According to some embodiments of the application, the location structure is a location hole groove, the location hole groove includes a main location hole and an auxiliary location hole, the main location hole is disposed on the side of the map bag away from one side of the buffer block, and the auxiliary location hole is disposed on the connection portion between the map bag and the buffer block.

According to some embodiments of the present application, the weakening structure includes a first weakening portion provided on a middle region of the buffer block and a second weakening portion provided on a region corresponding to a corner of the buffer block.

According to some embodiments of the application, the first weakening is a groove or a slot, the first weakening being H-shaped or Y-shaped.

According to some embodiments of the application, the second weakening portion includes a plurality of energy-absorbing convex hulls, and the plurality of energy-absorbing convex hulls are respectively and correspondingly arranged at corners of the buffer block.

According to some embodiments of the application, the map pocket is provided with an opening on one side of the plaque, and a sealing rib is arranged on the periphery of the opening.

According to some embodiments of the application, the sealing rib has a thickness of 2 mm.

According to this application embodiment's car front door plaque buffer structure, at least following beneficial effect has:

the automobile front door decorative plate buffer structure provided by the embodiment of the application can effectively save the number of formed dies by connecting the buffer block and the map bag into a whole, reduces the forming cost, reduces the number of parts during later assembly, further reduces the difficulty of assembly and ensures the precision requirement of assembly. In addition, the weakening structure arranged on the buffer block facilitates deformation and even breakage of the whole buffer block when the buffer block is impacted in the later period, and the requirements of side collision, crumple and energy absorption are met. Wherein through designing two sets of location structures, can guarantee effectively map bag and buffer block when with the plaque location requirement of assembly, guarantee the precision of assembly.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments of the present application will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic view of a cushioning structure of a front door trim panel of an automobile and an assembling structure of the front door trim panel of the automobile according to an embodiment of the present disclosure;

FIG. 2 is a schematic structural view of a front door trim cushion structure of an automobile according to an embodiment of the present application;

FIG. 3 is a schematic view showing a structure of a cushion block in the cushion structure of the front door trim panel of the automobile shown in FIG. 2;

fig. 4 is a partial structural view of an embodiment of a bumper structure of a front door trim panel for a vehicle shown in fig. 2.

Wherein: a buffer block 100; a map bag 200; the sealing ribs 210; a positioning structure 300; a main positioning hole 310; a secondary positioning hole 320; a connecting column 400; a weakening structure 500; a first weakened portion 510; a second weakened portion 520; a trim panel 600; a connecting portion 700.

Detailed Description

Features and exemplary embodiments of various aspects of the present application will be described in detail below. In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the present application. It will be apparent, however, to one skilled in the art that the embodiments of the present application may be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the present application by illustrating examples thereof.

In the description of the present application, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of describing the embodiments of the present application and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the embodiments of the present application.

In the description of the embodiments of the present application, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and more than, less than, more than, etc. are understood as excluding the present number, and more than, less than, etc. are understood as including the present number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the embodiments of the present application, unless otherwise explicitly limited, terms such as setting, installing, connecting and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the terms in the present application in combination with the specific contents of the technical solutions.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The embodiments will be described in detail below with reference to the accompanying drawings.

Referring to fig. 1, an embodiment of the present application discloses a buffering structure of a front door trim panel of an automobile, which is installed on a trim panel 600 of a front door of the automobile, and the buffering structure of the front door trim panel of the automobile disclosed in the embodiment of the present application includes a buffer block 100, a map bag 200 and a positioning structure 300, wherein at least one weakening structure 500 for absorbing energy is disposed on the buffer block 100, the map bag 200 and the buffer block 100 are connected by a connecting portion 700, and the positioning structure 300 is disposed on the connecting portion 700 and one side of the map bag 200 opposite to the connecting portion.

It should be noted that, the weakening structure 500 is a plastic structural member, and the weakening structure 500 can be rapidly subjected to plastic deformation after being impacted by external force, so as to absorb more impact energy through the plastic deformation of the weakening structure, thereby playing a role in absorbing energy, buffering and protecting the front door trim of the automobile, and preventing the front door trim of the automobile from being damaged by impact. Furthermore, it should be understood that the map bag 200 is provided with the positioning structures 300 on the side opposite to the connecting portion, and the connecting portion 700 is also provided with the positioning structures 300, i.e. the positioning structures 300 have two sets.

The automobile front door trim board buffer structure of this application embodiment is through linking buffer block 100 and map bag 200 an organic whole, can effectively save fashioned mould quantity like this, reduces the shaping cost to can reduce spare part quantity when later stage assembly, and then reduced the degree of difficulty of assembly, guarantee the required precision of assembly. It should be understood that the weakening structure 500 disposed on the buffer block 100 can absorb energy generated by collision between the front door trim 600 of the automobile and an external object, so that the buffer block 100 deforms or even breaks when the front door trim 600 of the automobile is impacted in the later period, and meets the requirements of side collision, collapse, and energy absorption. Wherein through designing two sets of location structure 300, through the location of mutually supporting of two location structure 300, can effectually guarantee the location requirement of map bag 200 and buffer block 100 when assembling with plaque 600, guarantee the precision of assembly.

Referring to fig. 1 and 2, in some embodiments of the present application, the cushion block 100, the connection part 700, and the map pocket 200 are integrally formed bodies. Therefore, synchronous processing and production of the buffer block 100 and the map bag 200 can be realized by only adopting one mold, the number of the molds is reduced, and further the cost is reduced. It should be understood that, in actual production, the connecting portion 700 may be a weak connecting piece or a connecting strip between the bumper 100 and the map pocket 200, some weak areas may also be provided on the weak connecting piece or the connecting strip, the connecting portion 700 and the weak areas are plastic parts, and plastic deformation is likely to occur when a force is applied, so that when the front door trim 600 of the automobile is subjected to collision impact, the bumper 100 and the map pocket 200 can collide with each other, collapse and absorb energy, and damage to the front door trim 600 of the automobile and the front door of the whole automobile caused by collision impact is reduced.

Referring to fig. 1 to 3 again, in some embodiments of the present application, the connection column 400 is disposed on the outer peripheral side of the buffer block 100 and the outer peripheral side of the map pocket 200, the connection column 400 may be a welding column for welding with the front door trim 600, and the connection column 400 may also be a corresponding buckle structure that is clamped and matched with the front door trim 600, and the connection column 400 mainly plays a role in fixing and has a positioning effect, so that the front door trim buffer structure of the automobile according to the embodiments of the present application is conveniently and integrally assembled on the trim 600. It should be understood that, since the bumper 100 and the map bag 200 are integrally formed, in order to ensure that the area between the bumper 100 and the map bag can be fixedly connected to the trim 600, in this embodiment, the connecting portion 700 is also provided with the connecting column 400, and meanwhile, a group of positioning structures 300 are also designed on the connecting portion 700, so as to realize the positioning of the middle area of the bumper 100 and the map bag 200, and ensure that the middle of the automobile front door trim buffer structure or the corresponding energy-absorbing buffer area thereof in this embodiment of the present application can be directly opposite to the area of the trim 600 which is often impacted.

Referring to fig. 1 to 3 again, in the embodiment of the present application, the positioning structure 300 includes at least one of a positioning hole and a positioning column, which can be selected according to actual use conditions. In the embodiment of the present application, the positioning structure 300 is preferably a positioning hole slot, and in practice, each positioning hole slot may have one or a plurality of positioning holes locally, so that the positioning accuracy can be ensured. It should be noted that, if each group of positioning hole slots adopts a plurality of positioning holes, the positioning holes are not conventional round holes but long waist holes or arc holes, so that the positioning hole slots can deform and displace when the buffer structure is impacted, and the positioning holes and the corresponding positioning pieces on the decorative plate 600 are always in a connection state, thereby avoiding the buffer structure from being rapidly festered due to strong impact, and preventing the energy absorption effect from being influenced due to too short energy absorption time of the buffer structure. In addition, the positioning hole groove also plays a corresponding positioning role, so that the whole automobile front door trim buffering structure can be conveniently and accurately assembled on the automobile front door trim 600.

In addition, in other embodiments, the positioning hole slots include a main positioning hole 310 and a sub-positioning hole 320, the main positioning hole 310 is disposed on the side of the map bag 200 away from the buffer block 100; the subsidiary positioning hole 320 is provided at the junction between the map bag 200 and the cushion block 100. The combination of the buffer block 100 and the map bag 200 can be accurately fixed on the installation position of the decorative plate 600 through the mutual matching of the main positioning hole 310 and the auxiliary positioning hole 320, and then a processing worker can weld or rivet the connection column 400 and the decorative plate 600, so that the combination of the buffer block 100 and the map bag 200 and the decorative plate 600 can be connected into a whole, and the shock resistance of the front door of the whole automobile is improved.

Further referring to fig. 2 and 3, in some embodiments of the present application, the weakening structure 500 includes a first weakening portion 510 and a second weakening portion 520, the first weakening portion 510 is disposed on a middle region of the buffer block 100, the second weakening portion 520 is disposed on a region corresponding to a corner of the buffer block 100, it should be understood that the first weakening portion 510 and the second weakening portion 520 can both absorb energy and collapse when the buffer block 100 is impacted, and by correspondingly disposing the first weakening portion 510 and the second weakening portion 520 on the middle region and the corner region of the buffer block 100, the overall strength of the buffer block 100 can be ensured, and the middle region and the circumferential corner of the buffer block 100 can both absorb energy and collapse when the buffer block is impacted by collision, so as to achieve an effect of uniform buffering.

In some embodiments of the present application, the first weakened portion 510 is a groove or a slot, and the shape of the first weakened portion 510 is H-shaped or Y-shaped, but the shape of the groove or the slot may be other symmetrical shapes. It is not difficult to understand that the recess or slotted hole are seted up in the middle part region of buffer block 100 to this energy-absorbing buffering deformability of strengthening the middle part region of buffer block 100, and set the shape of the recess or slotted hole through the middle part region of buffer block 100 into H type or Y type, can be so that the middle part region of buffer block 100 is when receiving the impact, buffer block 100 can concentrate the ulcerate in the middle part region and contract, and can not pull or extend to the border region of buffer block 100 the very first time, realize progressively collapsing or ulcerate, with this whole energy-absorbing buffering effect that improves buffer block 100.

In addition, in some embodiments of the present application, the second weakened portion 520 includes a plurality of energy-absorbing convex hulls, and the plurality of energy-absorbing convex hulls are respectively and correspondingly arranged at the corners of the buffer block. Specifically, the energy-absorbing convex closure carries out fillet processing and fretwork with buffer block 100 corner and forms and obtains, can understand the energy-absorbing convex closure as the small-size cavity convex closure of buffer block 100 corner position department, be convenient for later stage buffer block 100 when receiving the collision impact through the aforesaid setting, take place to pull with marginal area's part on the regional part in buffer block 100 middle part more easily and ulcerate, more can satisfy buffer block 100 and carry out the structural requirement that self deformation ulcerate energy-absorbing that contracts when taking place the side direction collision.

With further reference to fig. 1 and 4, in order to make the whole map bag 200 fit with the decoration board 600 more closely, an opening is provided on the side of the map bag 200 that fits with the decoration board 600, and a sealing rib 210 is provided on the periphery of the opening. Wherein, the thickness of sealed muscle 210 is 2mm, and it is difficult to understand, sealed muscle 210 is for possessing the strengthening rib of sealed effect, can effectively guarantee map bag and qianmen body sealed and installation intensity.

The above description is only a specific implementation of the embodiments of the present application, but the scope of the embodiments of the present application is not limited thereto, and any person skilled in the art can easily conceive various equivalent modifications or substitutions within the technical scope of the embodiments disclosed in the present application, and these modifications or substitutions should be covered by the scope of the embodiments of the present application. Therefore, the protection scope of the embodiments of the present application shall be subject to the protection scope of the claims.

Claims (10)

1. A front door trim buffering structure of an automobile, which is mounted on a trim of a front door of the automobile, comprising:

the buffer block is provided with at least one weakening structure for absorbing energy;

the map bag is connected with the buffer block through a connecting part;

the positioning structure is arranged on the connecting part and one side of the map bag opposite to the connecting part.

2. The automobile front door trim cushion structure according to claim 1, wherein the cushion block, the connecting portion, and the map pocket are an integrally formed body.

3. The automotive front door trim cushion structure according to claim 1 or 2, characterized in that a connecting pillar is provided on both an outer peripheral side of the cushion block and an outer peripheral side of the map bag.

4. The automobile front door trim cushion structure of claim 1, wherein the positioning structure comprises at least one of a positioning hole groove and a positioning post.

5. The automobile front door trim buffering structure according to claim 4, wherein the positioning structure is a positioning hole groove including a main positioning hole provided on a side of the map pocket remote from the cushion block and an auxiliary positioning hole provided on a connecting portion between the map pocket and the cushion block.

6. The automobile front door trim cushion structure according to claim 1, wherein the weakening structure includes a first weakening portion provided on a middle region of the cushion block and a second weakening portion provided on a region corresponding to a corner of the cushion block.

7. The automobile front door trim cushion structure according to claim 6, wherein the first weakened portion is a groove or a slot, and the first weakened portion has an H-shape or a Y-shape.

8. The automobile front door trim cushion structure according to claim 6, wherein the second weakened portion includes a plurality of energy-absorbing lobes, and the plurality of energy-absorbing lobes are respectively provided at corners of the cushion block in correspondence.

9. The automobile front door trim cushion structure according to any one of claims 1, 2, 4 and 6, wherein an opening is provided on a side of the map pocket that is attached to the trim, and a sealing rib is provided on a peripheral edge of the opening.

10. The automobile front door trim cushion structure according to claim 9, wherein the thickness of the seal bead is 2 mm.

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