CN217623270U

CN217623270U - Connecting structure of split type carpet

Info

Publication number: CN217623270U
Application number: CN202221467860.2U
Authority: CN
Inventors: 孙艳; 张帅; 李大鹏
Original assignee: Great Wall Motor Co Ltd
Current assignee: Great Wall Motor Co Ltd
Priority date: 2022-06-10
Filing date: 2022-06-10
Publication date: 2022-10-21
Anticipated expiration: 2032-06-10

Abstract

The utility model provides a connection structure of a split type carpet, which belongs to the technical field of automotive interior decoration, and comprises a first carpet module and a second carpet module, wherein the first carpet module is provided with a first connection end which is sequentially provided with an upward convex bulge part, a downward concave groove part and a horizontally extending lap joint part; the second carpet module has a second connecting end lapped with the first connecting end, the end of the second connecting end has a bending part extending downwards, the bending part extends into the groove part, the lapping part extends to the lower part of the second carpet module, and the highest point of the protruding part in the up-down direction is higher than the upper surface of the second carpet module. The utility model provides a split type carpet connecting structure, which can avoid the problems of exposed white edges and raised edges at the seams of the carpet; the boundary of the carpet is hidden and invisible, and the delicate perception effect of the appearance is improved.

Description

Connecting structure of split type carpet

Technical Field

The utility model belongs to the technical field of automotive interior, concretely relates to connection structure of split type carpet.

Background

In recent years, automotive interiors have developed rapidly, being limited by shape, space and station, and monolithic carpets have been inadequate to support the shop assembly requirements of some vehicle models. The split carpet can be transported at will, the assembly disorder of the production line is avoided, and the production assembly efficiency of a workshop is improved.

Split type carpet assembles on the whole car by a plurality of independent single carpets as the name implies, because the soft yielding of carpet epidermis, the carpet concatenation position cooperation produces easily around exposes white limit, rises to stick up, the big and bad problem of appearance such as uneven in clearance, influences whole car quality.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a connection structure of split type carpet aims at solving split type carpet cooperation department and upwarps easily, the white limit exposes the scheduling problem.

In order to achieve the purpose, the utility model adopts the technical proposal that: provided is a connection structure of a split carpet, including: the carpet comprises a first carpet module and a second carpet module, wherein the first carpet module is provided with a first connecting end, and the first connecting end is sequentially provided with an upward convex bulge part, a downward concave groove part and a horizontally extending lap joint part; the second carpet module has a second connection end overlapped with the first connection end, the end of the second connection end has a bending part extending downwards, the bending part extends into the groove part, the overlapping part extends to the lower part of the second carpet module, and the highest point of the protruding part is higher than the upper surface of the second carpet module.

In one possible implementation, the face difference a of the highest point of the raised portion and the upper surface of the second carpet module is 5 ± 1mm.

In one possible implementation, the fillet radius R1 of the projection is 11 ± 1mm.

In a possible implementation manner, the bending portion abuts against the side wall of the protruding portion joined with the groove portion, and the distance B between the lowest point of the bending portion and the lowest point of the groove portion is 3.5 ± 1mm.

In a possible implementation manner, the groove portion has a draft angle C of 10 ° to 12 ° with the side wall of the protrusion portion engaged therewith.

In a possible implementation manner, the joint of the groove part and the overlapping part is a rounded joint, and the radius R2 of the rounded joint is 11 ± 1mm.

In one possible implementation manner, a first gap is formed between the bending portion and the side wall of the groove portion, which is connected with the overlapping portion.

In a possible implementation manner, an adhesive fastener is arranged between the second carpet module and the first carpet module, and a distance E between an end of the adhesive fastener close to the bent portion and the lowest point of the bent portion is 5 ± 1mm.

In one possible implementation manner, the first carpet module includes a first carpet blank and a first carpet foaming layer supporting the first carpet blank, the first supporting end of the first carpet foaming layer has a convex curved surface, an arc-shaped groove and a supporting plane formed along the convex portion, the groove portion and the overlapping portion, and a second gap is formed between the convex portion and the convex curved surface.

In one possible implementation, the second carpet module includes a second carpet blank and a second carpet foam layer supporting the second carpet blank, the second carpet foam layer avoiding the overlapping portion.

The utility model provides a connection structure of split type carpet compares with prior art, and beneficial effect lies in: (1) The bending part of the second carpet module extends into the groove part of the first carpet module, assembly tolerance is absorbed through the groove part, the bending part extends into the groove part, the visible angle of the carpet boundary is changed, the bending part is flattened and shielded after the carpet is connected through the bulge part, the white edge on the side surface of the carpet can be hidden, and the problems that the white edge is exposed at the carpet seam and the carpet is warped are solved;

(2) Based on the bending part and the groove part, the boundary line of the bending part is flattened and shielded after the carpet is connected through the protruding part, so that the boundary line of the carpet is hidden and invisible, and the delicate appearance sensing effect is improved;

(3) The surface difference of the protruding part protruding upwards and the upper surface of the second carpet module is arranged on the carpet, after the carpet is connected, the protruding part is flattened to compensate the flatness of the groove part, the surface difference of the two connected carpets can be eliminated finally, and the quality of the whole carpet is improved.

Drawings

Fig. 1 is an exploded schematic view of a connection structure of a split carpet provided in an embodiment of the present invention;

description of reference numerals:

1. a first carpet module; 11. a first carpet foam layer; 12. a first carpet blank; 121. a boss portion; 122. a groove part; 123. a lap joint section; 2. a second carpet module; 21. a second carpet blanket blank; 22. a second carpet foam layer; 23. a bending part; 3. bonding and buckling; 4. a first void; 5. a second void.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It should be noted that in the description of the present invention, the directional terms "up, down, front, and rear" are consistent with the "up, down, front, and rear" directions of the vehicle for the carpet module assembled into the vehicle.

Referring to fig. 1, a connection structure of the split carpet provided by the present invention will now be described. The connecting structure of the split carpet comprises a first carpet module 1 and a second carpet module 2, wherein the first carpet module 1 is provided with a first connecting end, and the first connecting end is sequentially provided with an upwards-protruding bulge part 121, a downwards-recessed groove part 122 and a horizontally-extending lap joint part 123; second carpet module 2 has a second connecting end lapped with the first connecting end, the end of the second connecting end has a bent portion 23 extending downward, bent portion 23 extends into groove portion 122, lapped portion 123 extends to below second carpet module 2, and the highest point of protrusion 121 is higher than the upper surface of second carpet module 2.

Compared with the prior art, the connection structure of split type carpet that this embodiment provided, beneficial effect lies in:

(1) The bending part 23 of the second carpet module 2 extends into the groove part 122 of the first carpet module 1, assembly tolerance is absorbed through the groove part 122, the bending part 23 extends into the groove part 122, the visible angle of the carpet boundary is changed, the bending part 23 is flattened and shielded after the carpet is connected through the bulge part 121, the white edge on the side surface of the carpet can be hidden, and the problems of exposed white edge and upwarping at the carpet joint are avoided;

(2) Based on the bending part 23 and the groove part 122, the boundary line of the bending part 23 is flattened and shielded after the carpet is connected through the protruding part 121, so that the boundary line of the carpet is hidden and invisible, and the delicate appearance sensing effect is improved;

(3) The surface difference between the raised part 121 which is arranged on the carpet and protrudes upwards and the upper surface of the second carpet module 2, after the carpet is connected, the flatness of the groove part 122 can be compensated by flattening the raised part 121, and finally, the surface difference between the two connected carpets can be eliminated, so that the quality of the whole carpet is improved.

In the present embodiment, there is no specific limitation on the front-rear laying orientation or the left-right laying orientation of the first carpet module 1 and the second carpet module 2, for example, when laying a carpet in a vehicle, the first carpet module 1 is on the front side, and the second carpet module 2 is on the rear side; similarly, the second carpet module 2 may be in front and the first carpet module 1 in back.

The connection structure provided by the embodiment can realize the hiding of the boundary line of the carpet, the hiding and pressing of the connection end positioned on the upper layer and the elimination of the surface difference between two carpet modules through the detailed design and the process compensation of the connection part.

In some embodiments, the face difference a of the highest point of the protrusions 121 to the upper surface of the second carpet module 2 is 5 ± 1mm, see fig. 1. This embodiment provides two concrete parameter values of connecting carpet matching structure, and the poor 5mm in face of two carpet modules has considered carpet compression molding's technology compensation, is convenient for effectively hide the carpet boundary line. Because protruding portion 121 links up recess portion 122, after two carpet module connect, the protruding portion 121 that flattens can compensate recess portion 122, has not only effectively hidden the boundary line that the carpet meets to realize suppressing and hiding the portion of bending 23 that stretches into recess portion 122, avoided the portion of bending 23 to expose the white limit and the problem that sticks up.

In an alternative implementation, as shown in FIG. 1, the fillet radius R1 of the protrusion 121 is 11 + -1 mm. Through the limitation of the radius of the fillet, other appearance defects caused by overlarge gaps are avoided.

In the embodiment shown in fig. 1, the bending portion 23 abuts against the side wall of the engaging protrusion 121 of the groove portion 122, and the distance B between the lowest point of the bending portion 23 and the lowest point of the groove portion 122 is 3.5 ± 1mm. Bending portion 23 constitutes the boundary of two carpet module connections at recess 122 department, and recess 122 provides the space for the hiding of bending portion 23, and through the interval design to bending 23 minimum and recess 122 minimum, can make bending portion 23 have downwardly extending's space when pressurized, when avoiding carpet pressurized, bending portion 23 is ejecting, and leads to the problem that the joining face is uneven after the carpet equipment, carpet border turns up and the perk.

In some embodiments, referring to fig. 1, the sidewall of the groove portion 122 engaging the protrusion portion 121 has a draft angle C of 10 ° to 12 °. Through the parameter design of drawing die angle, avoid the too big appearance defect that arouses in clearance.

In some embodiments, referring to fig. 1, the junction between the groove portion 122 and the bridging portion 123 is a rounded corner, and the radius R2 of the rounded corner is 11 ± 1mm. Through the size design of linking up the fillet, avoid the too big appearance defect that arouses in clearance.

The other corner parts are in arc transition connection, and the radius of the fillet is not more than 12mm, preferably 11mm.

As shown in fig. 1, in some embodiments, the first gap 4 is formed between the side wall of the overlapping portion 123 engaged with the bending portion 23 and the groove portion 122. When the carpet is pressed, the bending part 23 can have a certain space for moving downwards, so that the surface difference defect after the carpet is assembled is avoided.

As an alternative embodiment, as shown in fig. 1, an adhesive button 3 is disposed between the second carpet module 2 and the first carpet module 1, and a distance E between an end of the adhesive button 3 close to the bent portion 23 and the lowest point of the bent portion 23 is 5 ± 1mm. Increase whole strip and bond between the carpet and detain 3, and bond and detain 3 and dodge the portion of bending 23, guarantee that two carpets are fixed firm stable, promote outward appearance effect greatly.

Alternatively, as shown in fig. 1, the bending degree of the first curved surface of the bending portion 23 toward the inner side of the groove portion 122 is smaller than the bending degree of the second curved surface of the bending portion 23 away from the outer side of the groove portion 122, so that a larger gap is formed between the inner side of the bending portion 23 and the groove portion 122 to avoid the tilting of the bending portion 23.

In some embodiments, as shown in fig. 1, the first carpet module 1 includes a first carpet blank 12 and a first carpet foam layer 11 supporting the first carpet blank 12, the first supporting end of the first carpet foam layer 11 has a convex curved surface, an arc-shaped groove and a supporting plane formed along the convex portion 121, the groove portion 122 and the overlapping portion 123, and a second gap 5 is formed between the convex portion 121 and the convex curved surface. Through the setting of second space 5, for the downward deformation headspace of bellying 121 pressurized to avoid the poor problem of face of two carpet equipment back bellying 121, guarantee the carpet equipment back, at the pressure-bearing in-process, can form smooth plane, eliminate the face poor, promote the exquisite sense after the carpet is connected.

As shown in fig. 1, in this embodiment, second carpet module 2 comprises a second carpet blank 21 and a second carpet foam layer supporting second carpet blank 21, second carpet foam layer 22 avoiding overlap 123.

In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and reference may be made to the related descriptions of other embodiments for parts that are not described or illustrated in a certain embodiment.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A connection structure of a split type carpet, comprising:

a first carpet module (1) having a first connection end provided with an upwardly protruding protrusion (121), a downwardly recessed groove (122), and a horizontally extending lap joint (123) in this order; and

a second carpet module (2) having a second connection end overlapped with the first connection end, wherein the end of the second connection end has a bent portion (23) extending downward, the bent portion (23) extends into the groove portion (122), the overlapped portion (123) extends to the lower side of the second carpet module (2), and the highest point of the protrusion (121) is higher than the upper surface of the second carpet module (2).

2. The split carpet connecting structure according to claim 1, wherein the difference a between the highest point of the protrusions (121) and the upper surface of the second carpet module (2) is 5 ± 1mm.

3. The split carpet connecting structure according to claim 1, wherein the fillet radius R1 of the protrusion (121) is 11 ± 1mm.

4. The split carpet connecting structure according to claim 1, wherein the bending portion (23) abuts against the side wall of the protrusion portion (121) engaged with the groove portion (122), and a distance B between a lowest point of the bending portion (23) and a lowest point of the groove portion (122) is 3.5 ± 1mm.

5. The split carpet connecting structure according to claim 1, wherein the side walls of the recessed groove portion (122) engaging the projecting portion (121) have a draft angle C of 10 ° to 12 °.

6. The split carpet connecting structure according to claim 1, wherein the junction of the groove portion (122) and the overlapping portion (123) is a rounded corner junction, and the radius R2 of the rounded corner is 11 ± 1mm.

7. The split carpet connecting structure according to claim 1, wherein the first gap (4) is formed between the bent portion (23) and the side wall of the overlapping portion (123) engaged with the groove portion (122).

8. The connecting structure of split carpets according to claim 1, wherein an adhesive button (3) is disposed between the second carpet module (2) and the first carpet module (1), and a distance E between an end of the adhesive button (3) close to the bent portion (23) and a lowest point of the bent portion (23) is 5 ± 1mm.

9. The connecting structure of the split type carpet as claimed in claim 1, wherein the first carpet module (1) comprises a first carpet blank (12) and a first carpet foaming layer (11) supporting the first carpet blank (12), the first supporting end of the first carpet foaming layer (11) has a convex curved surface, a curved groove and a supporting plane formed along the convex portion (121), the groove portion (122) and the overlapping portion (123), and the convex portion (121) and the convex curved surface form a second gap (5) therebetween.

10. The connecting structure of split type carpet as claimed in claim 9, wherein the second carpet module (2) comprises a second carpet blank (21) and a second carpet foam layer (22) supporting the second carpet blank (21), the second carpet foam layer (22) avoiding the overlapping portion (123).