Automobile rubber strip mounting structure

Abstract

The application discloses a kind of automobile rubber strip mounting structures, the rubber strip is installed on bumper, rubber strip is contacted with car light, the bumper includes bumper body and bumper backplate, the edge of the bumper body is provided with inturned edge, rubber strip is installed on inturned edge and fixed between bumper body and bumper backplate, the edge of rubber strip is interfered with car light.The automobile rubber strip mounting structure is reasonably designed, the inturned edge of front bumper body is provided with a group of clamping tongue pieces, rubber strip is installed on clamping tongue piece and fixed between front bumper body and front bumper backplate, then the position of rubber strip is limited by limiting structure, installation position precision is easy to control, and the appearance of rubber strip is flat;And simple structure, relatively low cost.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of automobiles, in particular to a kind of automobile rubber strip installation structure. BACKGROUND

[0002] At present, the installation of automobile outer plastic parts and rubber strips is carried out by double-color injection molding or secondary injection molding, which is relatively high in cost and not suitable for painted parts. The use of adhesive tape is prone to aging, and the installation is not firm, the adhesion shelf life is short, and there is a risk of loosening or falling off.

[0003] To solve the problems of instability, high cost and short adhesion shelf life of the existing installation structure of automobile outer painted plastic parts and rubber strips, a simple and low-cost installation structure for automobile painted plastic parts and sealing rubber strips is needed. For example, Chinese patent CN221067905U discloses a front headlamp and front bumper assembly structure and vehicle, which includes a front bumper, a front headlamp and a front bumper trim. The front headlamp is assembled on the front bumper, and a sealing rubber strip is provided on the area where the front bumper and the front headlamp cooperate, and there is an interference between the sealing rubber strip and the front headlamp. The lower part of the front headlamp is provided with a mounting hole in the area where it cooperates with the front bumper, and the front headlamp is mounted on the front bumper through the mounting hole. The front bumper trim is assembled on the outer side of the connection area of the front bumper and the front headlamp. The sealing rubber strip is fixed firmly, but the installation precision position is not easy to control, which affects the flatness of the rubber strip. SUMMARY

[0004] In view of the deficiencies of the prior art, the present application provides an automobile rubber strip installation structure to achieve the purpose of easy control of installation position precision and flat appearance of rubber strip.

[0005] To solve the above technical problems, the technical solution adopted by the present application is as follows:

[0006] The automobile rubber strip installation structure, the rubber strip is installed on the bumper, the rubber strip cooperates with the car lamp, the bumper includes a bumper body and a bumper back plate, the edge of the bumper body is provided with an inward flange, the rubber strip is installed on the inward flange and fixed between the bumper body and the bumper back plate, and the edge of the rubber strip cooperates with the car lamp.

[0007] Further:

[0008] A group of clamping tabs are provided on the inward flange of the bumper body, and a mounting hole adapted to the clamping tabs is provided on the rubber strip.

[0009] The bumper body and the bumper back plate are connected by welding, one side of the rubber strip is located between the bumper body and the bumper back plate, and the other side of the rubber strip cooperates with the car lamp.

[0010] The edge of the bumper back plate is provided with an extension part, the extension part is arranged corresponding to the inward turning edge, and the inner side of the rubber strip is clamped and fixed by the back extension part and the inward turning edge.

[0011] The mounting hole is a set of rectangular through holes arranged at intervals.

[0012] The extension part is provided with a limiting convex point for compressing and positioning the rubber strip.

[0013] The edge of the extension part corresponding to the end of the inward turning edge is provided with a limiting convex platform for compressing and positioning the rubber strip.

[0014] The limiting convex point and the mounting hole are arranged alternately.

[0015] After the rubber strip is compressed by the limiting convex point, the distance between the bumper body and the bumper back plate is greater than the thickness of the compressed rubber strip + the welding depth of the back plate.

[0016] The compression coincidence amount of the limiting convex platform and the rubber strip is > 2 / 3 of the thickness of the rubber strip + the thickness of the inward turning edge of the bumper body, but < the thickness of the rubber strip + the thickness of the inward turning edge of the bumper body.

[0017] Compared with the prior art, the present application has the following advantages:

[0018] The automobile rubber strip mounting structure is reasonable in design, the inward turning edge of the front bumper body is provided with a group of clamping tongue pieces, the rubber strip is mounted on the clamping tongue pieces and fixed between the front bumper body and the front bumper back plate, and then the position of the rubber strip is limited by the limiting structure, so that the installation position precision is easy to control, and the appearance of the rubber strip is flat; and the structure is simple, and the cost is relatively low. BRIEF DESCRIPTION OF DRAWINGS

[0019] The content expressed by each figure of the present specification and the marks in the figure are briefly described as follows:

[0020] Figure 1 It is a schematic view of the front bumper.

[0021] Figure 2 It is a schematic view along Figure 1 A-A section.

[0022] Figure 3 It is a schematic view along Figure 1 B-B section.

[0023] Figure 4 It is a schematic view along Figure 1 C-C section.

[0024] Figure 5 It is a schematic view of C. Figure 1

[0025] Figure 6 It is a schematic view of D. Figure 2 ​a local enlarged schematic view.

[0026] Figure 7 for Figure 3 a local enlarged schematic view.

[0027] in the figure:

[0028] 1. front bumper body, 2. headlamp, 3. rubber strip, 4. front bumper back plate, 5. clamping tongue, 6. limiting convex, 7. limiting convex. DETAILED DESCRIPTION

[0029] The specific embodiments of the present application will be further described in detail below with reference to the accompanying drawings.

[0030] As Figures 1 to 7 shown, the automobile rubber strip mounting structure comprises a front bumper and a headlamp 2, the rubber strip 3 is mounted on the front bumper, the rubber strip is in contact with the headlamp, and the rubber strip is partially extruded to interfere with the headlamp to realize sealing.

[0031] The front bumper comprises a front bumper body 1 and a front bumper back plate 4, the front bumper back plate corresponds to the mounting bracket of the front bumper, the front bumper body and the front bumper back plate are welded to be connected to form an assembly structure, and the assembly structure is fixedly mounted on the vehicle body through the mounting bracket.

[0032] The edge portion of the front bumper body 1 is provided with an inward turned edge, the rubber strip is mounted on the inward turned edge and fixed between the front bumper body and the front bumper back plate, and the edge portion of the rubber strip interferes with the headlamp; the rubber strip is mounted on the inward turned edge, and then clamped and positioned by welding of the front bumper body and the front bumper back plate, the outer portion of the rubber strip interferes with the headlamp, the installation position accuracy is easy to control, the cooperation deformation of the outer portion of the rubber strip is small, and the appearance of the rubber strip is flat.

[0033] A group of clamping tongues 5 are arranged on the inward turned edge of the front bumper body 1, and a mounting hole matched with the clamping tongues is arranged on the rubber strip, the clamping tongues 5 pass through the mounting hole of the rubber strip to position the rubber strip, and the position of the rubber strip is controlled by the group of clamping tongues; further, the mounting hole is a group of rectangular through holes arranged at intervals, the clamping tongues are in interference fit with the corresponding rectangular through holes, and the positioning is accurate and reliable.

[0034] The front bumper body and the front bumper back plate are welded to be connected, one side of the rubber strip is located between the front bumper body and the front bumper back plate, the other side of the rubber strip interferes with the headlamp, the rubber strip is clamped and fixed by the front bumper body and the front bumper back plate after being positioned by the clamping tongues, the fixation is reliable, and the rubber strip will not be loose; and the structure is simple, and the cost is relatively low.

[0035] The edge of the bumper back plate is provided with an extension part corresponding to the inward turning edge, and the inner side of the rubber strip is clamped and fixed by the extension part and the inward turning edge; the outer side of the extension part of the front bumper back plate and the inner side of the inward turning edge of the front bumper body are shaped structures, and the inner side of the rubber strip is clamped and positioned by the opposite shaped structures, which is stable and reliable in structure.

[0036] The extension part is provided with a limiting convex point 6 for compressing and positioning the rubber strip; the edge of the extension part is provided with a limiting convex platform 7 for compressing and positioning the rubber strip corresponding to the end of the inward turning edge, the size 11 of the limiting convex platform is greater than the size of the end of the inward turning edge, and a corresponding step is arranged on the rubber strip corresponding to the limiting convex platform. In the application, the rubber strip is limited in Z direction and Y direction by the clamping tongue piece, and the rubber strip is limited in X direction by the limiting convex point 6 and the limiting convex platform 7, so that the installation position accuracy is easy to control, and the appearance of the rubber strip is flat.

[0037] The limiting convex point 6 is arranged in parallel on the outer side of the extension part, and the limiting convex point is arranged alternately with the mounting hole to reduce the risk of loosening and ensure the stability and reliability of the structure. That is, one limiting convex point on the front bumper back plate is arranged at the middle position of the adjacent two mounting holes on the rubber strip, the limiting convex point is an arc-shaped protrusion, and the rubber strip is positioned by the arc-shaped protrusion.

[0038] Further, after the rubber strip is compressed by the limiting convex point, the distance between the bumper body and the bumper back plate is greater than the thickness of the compressed rubber strip plus the welding depth of the back plate, so that the welding strength between the front bumper back plate and the front bumper body can be ensured.

[0039] The pressing and coinciding amount of the limiting convex platform 7 and the rubber strip is greater than 2 / 3 of the thickness of the rubber strip plus the thickness of the inward turning edge of the bumper body, but less than the thickness of the rubber strip plus the thickness of the inward turning edge of the bumper body, so that the edge of the rubber strip is not extruded, and the appearance flatness of the rubber strip is improved.

[0040] The automobile rubber strip mounting structure designed in the application is reasonable in design, the inward turning edge of the front bumper body is provided with a group of clamping tongue pieces, the rubber strip is mounted on the clamping tongue pieces and fixed between the front bumper body and the front bumper back plate, and the position of the rubber strip is limited by the limiting structure, so that the installation position accuracy is easy to control, and the appearance of the rubber strip is flat; and the structure is simple and the cost is relatively low. The problems of unstable installation, high manufacturing cost, short aging adhesion viscosity shelf life of the adhesive tape are effectively solved.

[0041] The preferred specific embodiments of the application are as follows:

[0042] As shown in Figures 1 to 7 The automobile spraying plastic part and rubber strip mounting structure includes a front bumper and a rubber strip 3; the front bumper includes a front bumper body and a front bumper back plate which are connected by welding, and the rubber strip is fixed by cooperation of the front bumper body, the front bumper back plate and the rubber strip.

[0043] The edge of the front bumper body is provided with a flange clamping, and the edge of the front bumper back plate is provided with an extension part corresponding to the flange clamping, so that the rubber strip is supported and pressed by the extension part of the front bumper back plate; further, a plurality of clamping tongue pieces for mounting the rubber strip are arranged on the inner flange of the front bumper body, the clamping tongue pieces are positioned through the rubber strip body, the front bumper back plate is fixedly welded with the front bumper body to clamp the positioned rubber strip, and the structure is stable and reliable.

[0044] In order to solve the defects of the installation mode of the sprayed front bumper body and the rubber strip, avoid the failure of the adhesive tape around the rubber strip after long-term use of the product, and prevent the adhesive tape from being opened, the front bumper back plate extends to the inner flange of the front bumper body, as shown in Figure 2 and Figure 3 ; the inner side of the rubber strip is located between the front bumper body and the front bumper back plate, so that the front bumper body and the front bumper back plate clamp the rubber strip to position, realize seamless connection, and further ensure the connection firmness.

[0045] The rubber strip is located between the front bumper body and the front bumper back plate, and the thickness of the rubber strip will affect the welding depth of the front bumper back plate, so a limiting convex point and a limiting convex platform are arranged to support and limit, as shown in Figure 6 and Figure 7 ; the rubber strip and the back plate have a gap, and after the rubber strip is compressed by the limiting convex point, the distance between the front bumper body and the back plate is greater than the thickness of the compressed rubber strip + the welding depth of the back plate, so as to ensure the welding strength of the back plate and the bumper.

[0046] In order to further improve the connection strength and reduce the risk of loosening, the length 17 of the limiting convex point is 5mm, the width 12 is 1mm, the interference amount 16 of the rubber strip is the compression amount of the rubber strip, the gap 15 between the back plate and the rubber strip in the design state is greater than the compression amount of the rubber strip + the welding depth of the back plate. In order to further reduce the risk of loosening, the arrangement interval 18 of the limiting convex point 6 is less than 20mm, and the limiting convex point 6 is arranged staggered with the clamping tongue piece 5. The pressing coincidence amount of the limiting convex platform 7 and the rubber strip 3 is greater than 2 / 3 of the thickness of the rubber strip + the thickness of the front bumper flange, but needs to be less than the thickness of the rubber strip + the thickness of the front bumper flange, so as to avoid extruding the rubber strip and affecting the flatness of the rubber strip.

[0047] In order to ensure the inward turning of the rubber strip 3 and reduce the risk of loosening, the clamping tongue piece is arranged on the inner flange of the front bumper body, the rectangular hole 19 is arranged on the rubber strip 3, the clamping tongue piece 5 corresponds to the rectangular hole 19 one by one, the clamping tongue piece 5 passes through the rectangular hole 19 of the rubber strip, the clamping tongue piece 5 is in interference fit with the rubber strip 3, the coincidence amount 8 is 1mm, the gap 13 between the clamping tongue piece 5 and the rubber strip is 0.5mm, and the width 14 of the clamping tongue piece 5 is 9mm, so as to realize firm installation and no loosening. In order to realize the close adhesion of the rubber strip 3 and the front bumper body 1, the arrangement interval 10 of the clamping tongue is less than 30mm, and the distance 9 between the endmost clamping tongue piece and the edge of the front bumper is less than 10mm.

[0048] Further, as shown in Figure 4As shown, the mounting hole of the rubber strip is provided with a protruding part, the protruding part is matched with the edge part of the back plate of the front bumper, a step is formed on the inner side of the protruding part of the rubber strip, the end part of the clamping tongue piece on the inner flange of the front bumper body is provided with an end head, the outer diameter of the end head is larger than the outer diameter of the clamping tongue piece body, the mounting hole of the rubber strip is mounted on the clamping tongue piece body, the rubber strip is further positioned through the cooperation of the end head edge part and the step, the risk of loosening of the rubber strip is reduced, and the structure is stable and reliable.

[0049] Compared with the current market only using adhesive tape bonding, the application uses the clamping tongue connection, limits Z and Y directions, limits X direction through the limiting boss and the point limiting, and simultaneously limits rotation, and the structure is simple, firm and reliable, and the problems of easy aging of the adhesive tape, high cost, and falling caused by the decrease of viscosity are overcome.

[0050] The above is only a preferred embodiment of the application, and the above technical features can be combined to form multiple embodiments of the application.

[0051] The application is described above in conjunction with the drawings, and it is obvious that the specific implementation of the application is not limited by the above manner, and various non-essential improvements or direct application of the concept and technical scheme of the application to other occasions without improvement are within the protection scope of the application.

Claims

1. A car rubber strip mounting structure, wherein the rubber strip is mounted on the bumper and contacts and engages with the headlights, characterized in that: The bumper includes a bumper body and a bumper back plate. The bumper body has an inwardly turned edge on its side. A rubber strip is installed on the inwardly turned edge and fixed between the bumper body and the bumper back plate. The edge of the rubber strip interferes with the headlights. The inner flange of the bumper body is provided with a set of latches, and the rubber strip is provided with mounting holes that are adapted to the latches; the bumper body and the bumper back plate are welded together, one side of the rubber strip is located between the bumper body and the bumper back plate, and the other side of the rubber strip interferes with the headlight; the edge of the bumper back plate is provided with an extension, which is correspondingly provided with the inner flange, and the inner side of the rubber strip is clamped and fixed by the extension and the inner flange; the extension is provided with limiting protrusions for compressing and positioning the rubber strip.

2. The automotive rubber strip mounting structure as described in claim 1, characterized in that: The mounting holes are a set of rectangular through holes spaced apart.

3. The automotive rubber strip mounting structure as described in claim 1, characterized in that: The edge of the extension is provided with a limiting boss at the end corresponding to the inward flange for positioning the pressing rubber strip.

4. The automotive rubber strip mounting structure as described in claim 1, characterized in that: The limiting protrusions and mounting holes are arranged alternately.

5. The automotive rubber strip mounting structure as described in claim 1, characterized in that: After the rubber strip is compressed by the limiting protrusion, the distance between the bumper body and the bumper back plate is greater than the thickness of the compressed rubber strip plus the welding depth of the back plate.

6. The automotive rubber strip mounting structure as described in claim 3, characterized in that: The overlap between the limiting boss and the rubber strip is greater than 2 / 3 of the rubber strip thickness + the thickness of the bumper body flange material, but less than the rubber strip thickness + the thickness of the bumper body flange material.

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