CN217950919U - Automobile sheet metal working of plastics connection structure - Google Patents

Abstract

The utility model provides a car sheet metal working of plastics connection structure, including first plastic slab and second plastic slab, the junction of first plastic slab and second plastic slab is provided with the connection notch, sets up connection notch on first plastic slab and the connection notch looks joint on the second plastic slab, is provided with the through hole on first plastic slab and the second plastic slab, the through hole passes via the locking cap, connect the screw section of thick bamboo and set up and close the spliced pole of cap one side soon mutually, can be in the same place first plastic slab and second plastic slab are fixed through this design to because the locking cap is great with the area of contact who closes cap and first plastic slab and second plastic slab soon, this design compares in the fixed mode of traditional bolt and has the advantage that area of contact is big, the unit area pressure is little with first plastic slab and second plastic slab, reduces the deformation volume with the junction of first plastic slab and second plastic slab.

Description

Automobile sheet plastic part connecting structure

Technical Field

The utility model relates to a car sheet metal working of plastics connection structure relates to the automotive equipment field.

Background

When carrying out quick assembly to the sheet metal working of plastics on the current market, generally adopt rivet nut to install, rivet nut on the current market is mostly metal material, rivet power is great, this just causes metal rivet nut to produce great compressive stress at the contact area, lead to the plastic part product fracture of fixed point department, and the car is owing to jolt the in-process that appears becoming flexible easily, this will make the junction of plastic slab appear rocking, so need design a new connection structure and solve this problem.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a car sheet metal working of plastics connection structure to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above purpose, the present invention is realized by the following technical solution: the utility model provides a car sheet metal working of plastics connection structure, includes first plastic slab and second plastic slab, the junction of first plastic slab and second plastic slab is provided with the connection notch, sets up the connection notch on first plastic slab and is connected notch looks joint on the second plastic slab, be provided with the through hole on first plastic slab and the second plastic slab, the through hole passes via the locking cap, just the bottom of locking cap is fixed mutually with being connected the screw section of thick bamboo, it closes mutually with setting up the spliced pole that closes cap one side soon to connect the screw section of thick bamboo.

The edge position that closes cap and spliced pole connection soon is provided with the assembly groove, the assembly groove is ring slot hole structure, the inside joint in assembly groove has wave spring, wave spring's lower extreme and the bottom in assembly groove are laminated, wave spring's upside and the lower terminal surface of first plastic slab laminate mutually.

Further, the edge position of closing the cap soon is provided with the laminating edge, the laminating edge is ring column structure, a lateral surface along the laminating is laminated with the surface of first plastic slab mutually.

Furthermore, the fastening cap is provided with an anti-displacement strip with one side end face attached to the second plastic plate, and the surface of the anti-displacement strip is attached to the surface of the second plastic plate.

Further, prevent that the displacement strip is provided with many and prevent that the displacement strip is the annular and arrange, just prevent that the displacement strip is right angled triangle's edges and corners bar-shaped structure for the cross-section.

Further, the junction of fastening cap and connection screw section of thick bamboo is provided with the strip of consolidating, it is the annular along the axis of fastening cap to consolidate the strip and be provided with many and consolidate the strip and arrange, it is right triangle's arris plate structure for the cross-section to consolidate strip (12).

Further, the laminating is followed and is had the laminating pad with the surface distribution of first plastic slab, the laminating pad is the component that adopts flexible material preparation to form.

The utility model has the advantages that: the connecting screw cylinder on one side of the fastening cap is screwed with the connecting column on one side of the screwing cap, the first plastic plate and the second plastic plate can be fixed together through the design, and because the contact area between the fastening cap and the screwing cap as well as between the fastening cap and the first plastic plate as well as between the fastening cap and the second plastic plate is larger, compared with the fixing mode of a traditional bolt, the design has the advantages of large contact area between the fastening cap and the first plastic plate as well as between the fastening cap and the second plastic plate and small pressure intensity in unit area, and the deformation quantity of the connecting part between the fastening cap and the first plastic plate as well as between the fastening cap and the second plastic plate is reduced;

an acting force for separating the screwing cap from the first plastic plate is generated under the action of the wave spring, and the reverse acting force of the acting force enables the fastening cap to be tightly attached to the second plastic plate, so that the stability between the first plastic plate and the second plastic plate is greatly improved, and even if the fastening cap and the screwing cylinder are loosened under the action of the wave spring, the first plastic plate and the second plastic plate can still be attached together, and the swinging amplitude between the first plastic plate and the second plastic plate is greatly reduced;

and the anti-displacement strip that is located on the fastening cap has increased the effort between with the second plastic slab, and the further promotion of effort between a reverse effort that cooperation wave spring produced makes its and the second plastic slab, reduces the deformation volume that first plastic slab and second plastic slab connect the screw section of thick bamboo and spliced pole looks separation at the in-process of shake through this design.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural view of a connection structure of automotive sheet plastic parts according to the present invention;

FIG. 2 is a schematic view showing the distribution of the bonding edges in the connecting structure of the thin plastic parts of the automobile of the present invention;

FIG. 3 is a schematic view showing the distribution of reinforcing bars in the connecting structure for automotive sheet plastic parts according to the present invention;

in the figure: 1-first plastic plate, 2-connecting notch, 3-fastening cap, 4-second plastic plate, 5-screwing cap, 6-assembling groove, 7-wave spring, 8-connecting column, 9-connecting screw cylinder, 10-attaching edge, 11-displacement-preventing strip and 12-reinforcing strip.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1, the present invention provides a technical solution: a connecting structure of automobile thin plate plastic parts comprises a first plastic plate 1 and a second plastic plate 4, wherein a connecting notch 2 is arranged at the joint of the first plastic plate 1 and the second plastic plate 4, the connecting notch 2 is of a rectangular notch structure, the connecting notch 2 arranged on the first plastic plate 1 is clamped with the connecting notch 2 arranged on the second plastic plate 4, through holes are arranged on the first plastic plate 1 and the second plastic plate 4, the through holes pass through a fastening cap 3, the bottom of the fastening cap 3 is fixed with a connecting screw barrel 9, the connecting screw barrel 9 is screwed with a connecting column 8 arranged on one side of a screwing cap 5, reinforcing strips 12 are arranged at the joint of the fastening cap 3 and the connecting screw barrel 9, the reinforcing strips 12 are provided with a plurality of reinforcing strips 12 which are annularly arranged along the axis of the fastening cap 3, consolidate strip (12) and be right triangle's prismatic plate structure for the cross-section, this design makes the joint strength between fastening cap 3 and the connection screw tube 9 promote, the connection screw tube 9 of fastening cap 3 one side closes with setting up soon the spliced pole 8 of closing cap 5 one side mutually soon, can be in the same place first plastic slab 1 and second plastic slab 4 are fixed through this design, and because fastening cap 3 closes cap 5 and first plastic slab 1 and second plastic slab 4's area of contact great with revolving, this design compares in the fixed mode of traditional bolt have with first plastic slab 1 and second plastic slab 4 area of contact big, the little advantage of unit area pressure, reduce the deformation volume with the junction of first plastic slab 1 and second plastic slab 4.

Close cap 5 soon and the border position that the junction is connected is provided with assembly groove 6, assembly groove 6 is ring slot hole structure, and the width of assembly groove 6 is less than the radius of closing cap 5 soon, the inside joint of assembly groove 6 has wave spring 7, wave spring 7's lower extreme and the bottom of assembly groove 6 are laminated mutually, wave spring 7's upside and the lower terminal surface of first plastic slab 1 laminate mutually, and wave spring 7's inner circle does not laminate mutually with spliced pole 8, produce one and make the effort that closes cap 5 and break away from first plastic slab 1 soon under wave spring 7's effect, and the reverse effort of this effort makes fastening cap 3 inseparable with second plastic slab 4 pastes together, make the promotion of the steadiness between first plastic slab 1 and the second plastic slab 4 by a wide margin.

Please refer to fig. 2, the edge of the screwing cap 5 is provided with a fitting edge 10, the fitting edge 10 is a circular ring structure, the end surface of one side of the fitting edge 10 is fitted with the surface of the first plastic plate 1, the contact area between the screwing cap 5 and the second plastic plate 4 can be increased by the design, so that the friction between the second plastic plate 4 and the fitting edge 10 is further improved, the fitting edge 10 is distributed with a fitting pad on the surface of the first plastic plate 1, the fitting pad is a member made of flexible material, and the design further improves the friction between the first plastic plate 1 and the fitting pad.

Please refer to fig. 3, a side end face of the fastening cap 3 attached to the second plastic plate 4 is provided with a displacement prevention bar 11, the surface of the displacement prevention bar 11 is attached to the surface of the second plastic plate 4, the displacement prevention bar 11 is provided with a plurality of displacement prevention bars 11 arranged in a ring shape, and the displacement prevention bar 11 is in a rectangular prism structure with a cross section, the displacement prevention bar 11 increases the acting force between the displacement prevention bar and the second plastic plate 4, the acting force between the displacement prevention bar and the second plastic plate 4 is further improved by a reverse acting force generated by the wave spring 7, and the deformation amount of the first plastic plate 1 and the second plastic plate 4 separating from each other by the connecting screw cylinder 9 and the connecting column 8 in the shaking process is reduced by the design.

The specific implementation mode is as follows: aligning the through holes on the first plastic plate 1 and the second plastic plate 4, then mutually screwing the connecting screw cylinder 9 on one side of the fastening cap 3 and the connecting column 8 on one side of the screwing cap 5 together, after the screwing is completed, the attaching edge 10 on one side of the screwing cap 5 is attached to the surface of the second plastic plate 4, the contact area between the screwing cap 5 and the second plastic plate 4 can be increased through the design, and because the contact area between the fastening cap 3 and the screwing cap 5 as well as the first plastic plate 1 and the second plastic plate 4 is larger, the design has the advantages of large contact area and small unit area pressure with the first plastic plate 1 and the second plastic plate 4 compared with the fixing mode of the traditional bolt, the deformation quantity of the joint between the fastening cap 3 and the second plastic plate 1 and 4 is reduced, and after the installation, the wave spring 7 generates an acting force under the action force which enables the screwing cap 5 to be separated from the first plastic plate 1, and the reverse acting force of the wave spring 7 enables the fastening cap 3 to be tightly combined with the second plastic plate 4, the first plastic plate 4 and the second plastic plate 4 to be further matched with the anti-shake wave-shaped acting force generated in the process of the wave spring 7, and the lifting of the mutual action force generated in the design of the lifting of the second plastic plate 4.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (7)

1. The utility model provides an automobile sheet metal working of plastics connection structure, includes first plastic slab (1) and second plastic slab (4), its characterized in that: the junction of first plastic slab (1) and second plastic slab (4) is provided with connection notch (2), sets up connection notch (2) on first plastic slab (1) and connection notch (2) looks joint on second plastic slab (4), be provided with the through hole on first plastic slab (1) and the second plastic slab (4), the through hole passes via locking cap (3), just the bottom of locking cap (3) is fixed mutually with being connected spiral shell (9), it closes mutually with setting up spliced pole (8) of closing cap (5) one side soon to connect spiral shell (9).

2. The automotive sheet plastic member connecting structure as set forth in claim 1, wherein: close cap (5) soon and be provided with assembly groove (6) with the marginal position that spliced pole (8) are connected, assembly groove (6) are ring groove hole structure, the inside joint of assembly groove (6) has wave spring (7), the lower extreme of wave spring (7) is laminated with the bottom of assembly groove (6), the upside of wave spring (7) is laminated with the lower terminal surface of first plastic slab (1) mutually.

3. The automotive sheet plastic member connecting structure as set forth in claim 2, wherein: the edge position of the screwing cap (5) is provided with a joint edge (10), the joint edge (10) is of a circular structure, and one side end face of the joint edge (10) is jointed with the surface of the first plastic plate (1).

4. The automotive sheet plastic member connecting structure as set forth in claim 3, wherein: the side end face that fastening cap (3) and second plastic slab (4) were laminated mutually is provided with prevents displacement strip (11), the surface of preventing displacement strip (11) is laminated mutually with the surface of second plastic slab (4).

5. The automotive sheet plastic part connecting structure as set forth in claim 4, wherein: prevent displacement strip (11) and be provided with many and prevent that displacement strip (11) are the annular and arrange, just prevent that displacement strip (11) are right angled triangle's prismatic structure for the cross-section.

6. The automotive sheet plastic member connecting structure as set forth in claim 5, wherein: fastening cap (3) are provided with the strip of consolidating (12) with the junction of being connected screw cylinder (9), it is the annular and arranges to consolidate strip (12) and be provided with many and many to consolidate strip (12) along the axis of fastening cap (3), it is right angled triangle's prismatic plate structure for the cross-section to consolidate strip (12).

7. The automotive sheet plastic part connecting structure as set forth in claim 6, wherein: the laminating is followed (10) and is had the laminating pad with the surface distribution of first plastic slab (1), the laminating pad is the component that adopts flexible material preparation to form.

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