Automobile rear bumper decorative plate made of carbon fiber composite material

By designing multiple storage holes and related gaskets, surround strips, sound insulation cotton and other structures on the carbon fiber composite car rear bumper decorative panel, installation stability and noise problems are solved, and the safety and aerodynamics of the decorative panel are improved. performance.

CN222247089UActive Publication Date: 2024-12-27GUIZHOU HAIJIEFENG AUTO PARTS CO LTD
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Patent Information

Application Number
CN202421178274.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-28
Publication Date
2024-12-27
Estimated Expiration
2034-05-28

AI Technical Summary

Technical Problem

The existing carbon fiber composite car rear bumper trim has gaps when installed, resulting in poor installation stability, looseness and noise problems.

Method used

The combination design of multiple storage holes, C-type sealing gaskets, side sealing gaskets, C-type enclosure strips, sound insulation cotton and wind-breaking strips is adopted. Through the stress deformation and sliding contact of these components, the bonding of the plate body and the automobile bumper is enhanced. It can reduce noise conduction and wind resistance by using sound insulation cotton and wind breaking strips.

Benefits of technology

Improves the installation stability and safety of decorative panels, reduces noise conduction, and meets aerodynamic requirements.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of carbon fiber composite material automobile parts, and provides a carbon fiber composite material automobile rear bumper decorative plate, which comprises a plate body, a left arc plate, a right arc plate, a left arc plate, a right arc plate, a right arc plate, a left arc plate, a right arc plate, a left arc plate, a right arc plate, a left arc plate and a right arc plate, and is characterized in that a plurality of accommodating holes are formed in one side of the plate body, and external decorative round caps are clamped on the inner surfaces of the accommodating holes; a right arc plate is arranged at the end, away from the left arc plate, of the plate body. The C-shaped sealing gasket is fixedly installed at the end, away from the multiple storage holes, of the plate body, and a lower protection plate is fixedly installed at the end, away from the C-shaped sealing gasket, of the plate body; when the automobile bumper sealing plate is used, the characteristic that the C-shaped sealing gasket, the two side sealing gaskets and the C-shaped surrounding strip deform under stress is utilized, so that the plate body is more attached to an automobile bumper, gaps are avoided, the installation stability of the plate body on the automobile bumper is improved, and the situation that the plate body loosens when an automobile runs is avoided; and meanwhile, the use safety of the plate body is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of carbon fiber composite material automobile parts, in particular to a carbon fiber composite material automobile rear bumper decorative plate. Background Art

[0002] The decorative panel of the rear bumper of a car refers to the process of adding some accessories to improve the aesthetics of the rear bumper of the car. The added accessories are called decorations.

[0003] In the prior art, for example, the Chinese patent announcement number is: CN218519622U. This utility model discloses a carbon fiber composite material automobile rear bumper decorative plate, including a decorative plate body composed of an upper decorative plate, a lower decorative plate, a first side, a second side, a third side, and a fourth side; the decorative plate body is a hollow structure, and its overall shape is "C"; the middle part of the decorative plate body is arched upward, and an inclined surface is formed at the arched part; an assembly hole is provided on the inclined surface; left and right wing panels are provided at both ends of the first side; the third side and the fourth side are "L" shaped. The decorative plate is easy to position and install, and has a light overall weight, high strength, streamlined design, and conforms to aerodynamics.

[0004] However, the prior art has the following disadvantages when used: the above technology utilizes assembly holes and screw holes to install and fix with the rear bumper of the automobile. Since the rear bumper decorative plate and the rear bumper of the automobile are two independent automobile parts, there will be a gap between the two when they are installed, resulting in general installation stability. In addition, the wind passes through the gap during driving, which will increase the gap and cause the installation of the rear bumper decorative plate of the automobile to become loose, which is not conducive to the safety of the use of the rear bumper decorative plate of the automobile. In addition, the automobile will be bumpy during driving, and the gap between the rear bumper decorative plates of the automobile will provide space for the rear bumper decorative plates of the automobile to shake, resulting in a certain amount of noise. Utility Model Content

[0005] The purpose of the utility model is to solve the problem in the prior art that the above-mentioned technology utilizes assembly holes and screw holes to install and fix with the rear bumper of an automobile. Since the rear bumper decorative plate and the rear bumper of an automobile are two independent automobile parts, there will be a gap between the two when they are installed, which leads to general installation stability, and the wind passes through the gap during driving, which will increase the gap, causing the installation of the rear bumper decorative plate of the automobile to become loose, which is not conducive to the safety of the use of the rear bumper decorative plate of the automobile. In addition, the automobile will be bumpy during driving, and the gap between the rear bumper decorative plates of the automobile will provide space for the rear bumper decorative plates of the automobile to shake, resulting in a certain amount of noise.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a carbon fiber composite material automobile rear bumper decorative plate, comprising: a plate body, a plurality of storage holes are opened on one side of the plate body, and the inner surfaces of the plurality of storage holes are clamped with external decorative round caps, and also comprising:

[0007] A left arc plate is arranged at one end of the plate body, and a right arc plate is arranged at one end of the plate body away from the left arc plate;

[0008] A C-shaped sealing gasket is fixedly mounted on one end of the plate body away from the plurality of receiving holes, and a lower protective plate is fixedly mounted on one end of the plate body away from the C-shaped sealing gasket;

[0009] Two side sealing pads are respectively fixedly mounted on one end of the left arc plate and the right arc plate away from the plurality of storage holes, and one end of the two side sealing pads away from the lower protection plate is fixedly mounted on one side of the C-shaped sealing pad;

[0010] The C-shaped surrounding strip is fixedly mounted on a side of the plate body away from the plurality of storage holes, and one end of the C-shaped surrounding strip away from the lower protection plate is in sliding contact with one side of the C-shaped sealing pad.

[0011] Preferably, a sound insulation cotton 1 is fixedly installed on the side of the C-shaped enclosing strip away from the plate body, and a sound insulation cotton 2 is fixedly installed on the end of each of the two side sealing pads away from the plate body.

[0012] Preferably, a sound insulation cotton three is fixedly installed on one side of the lower protection plate close to the C-shaped surrounding strip, and an end of the C-shaped surrounding strip away from the C-shaped sealing pad is in sliding contact with one side of the sound insulation cotton three.

[0013] Preferably, one end of the sound insulation cotton 1 away from the C-shaped sealing pad is in sliding contact with one side of the sound insulation cotton 3, and one end of the left arc plate away from the multiple storage holes is fixedly installed with a wind-breaking strip.

[0014] Preferably, one end of the wind-breaking strip away from the left arc plate is fixedly mounted on one end of the right arc plate, and one side of the wind-breaking strip close to the C-shaped sealing gasket is in sliding contact with one end of the two side sealing gaskets.

[0015] Preferably, one end of the two sound insulation cottons away from the C-shaped sealing pad is in sliding contact with one side of the wind-breaking strip.

[0016] Preferably, the storage hole, the C-shaped surrounding strip, and the sound insulation cotton are provided with a plurality of circular through holes at both ends away from the center of the plate body.

[0017] Compared with the prior art, the advantages and positive effects of the utility model are:

[0018] 1. In the utility model, when in use, the characteristics of the C-shaped sealing pad, two side sealing pads, and C-shaped surrounding strips being deformed under stress are utilized to make the plate body fit the automobile bumper more closely, which is beneficial to avoid the generation of gaps, improve the stability of the plate body when installed on the automobile bumper, avoid the loosening when the automobile is driving, and at the same time improve the safety of the plate body in use.

[0019] 2. In the utility model, when in use, the sound insulation cotton 1, the sound insulation cotton 2, and the sound insulation cotton 3 are convenient for isolating the noise occurring around the plate body, which is beneficial for reducing the noise transmission to the interior of the car. The wind-breaking strip is located below the main body, and the bottom of the wind-breaking strip has a 45-degree inclined surface, which is convenient for guiding the wind when the car is driving, so that the utility model conforms to aerodynamics. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A schematic diagram of the three-dimensional structure of a carbon fiber composite material automobile rear bumper decorative plate provided by the utility model;

[0021] Figure 2 A schematic diagram of the upward-looking three-dimensional structure of a carbon fiber composite material automobile rear bumper decorative plate provided by the utility model;

[0022] Figure 3 A schematic diagram of the unfolded three-dimensional structure of a carbon fiber composite material automobile rear bumper decorative plate provided by the utility model;

[0023] Figure 4 A carbon fiber composite material automobile rear bumper decorative plate provided by the utility model Figure 3 Enlarged view of point A.

[0024] Legend: 1. Plate body; 101. Storage hole; 102. Left arc plate; 103. Right arc plate; 2. C-type sealing gasket; 3. Side sealing gasket; 4. C-type surrounding strip; 5. Sound insulation cotton one; 6. Sound insulation cotton two; 7. Lower protection plate; 8. Wind-breaking strip; 9. Sound insulation cotton three; 10. Circular through hole. DETAILED DESCRIPTION

[0025] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0026] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0027] Embodiment 1, as Figure 1-4 As shown, the utility model provides a carbon fiber composite material automobile rear bumper decorative plate, comprising: a plate body 1, a plurality of storage holes 101 are opened on one side of the plate body 1, and the inner surfaces of the plurality of storage holes 101 are clamped with external decorative round caps, and further comprising:

[0028] A left arc plate 102 is provided at one end of the plate body 1, and a right arc plate 103 is provided at one end of the plate body 1 away from the left arc plate 102;

[0029] A C-shaped sealing gasket 2 is fixedly mounted on one end of the plate body 1 away from the plurality of receiving holes 101, and a lower protective plate 7 is fixedly mounted on one end of the plate body 1 away from the C-shaped sealing gasket 2;

[0030] Two side sealing pads 3 are respectively fixedly mounted on one end of the left arc plate 102 and the right arc plate 103 away from the plurality of receiving holes 101, and one end of the two side sealing pads 3 away from the lower protection plate 7 is fixedly mounted on one side of the C-shaped sealing pad 2;

[0031] The C-shaped surrounding strip 4 is fixedly mounted on a side of the plate body 1 away from the plurality of receiving holes 101 , and one end of the C-shaped surrounding strip 4 away from the lower protection plate 7 is in sliding contact with one side of the C-shaped sealing pad 2 .

[0032] In this embodiment, when in use, a plurality of storage holes 101 are provided on the plate body 1, so that after the bolts for fixing the plate body 1 are installed in the storage holes 101, the heads of the bolts can be hidden, and then the external decorative round caps can be snapped into the inner surfaces of the storage holes 101 to cover the storage holes 101 and the bolts, thereby avoiding damage to the aesthetics of the plate body 1. Due to the combined effect of the C-type sealing gasket 2, the two side sealing gaskets 3, and the C-type surrounding strip 4, when the plate body 1 and the automobile bumper are fitted together, the characteristics of the C-type sealing gasket 2, the two side sealing gaskets 3, and the C-type surrounding strip 4 under stress and deformation can be utilized to make the plate body 1 fit the automobile bumper more closely, which is beneficial to avoiding the generation of gaps, improving the stability of the plate body 1 when installed on the automobile bumper, and avoiding loosening when the automobile is driving. At the same time, the safety of the plate body 1 in use is improved. The lower protective plate 7 covers the bottom area of ​​the automobile bumper. The setting of the left arc plate 102 and the right arc plate 103 is convenient for adapting to the curvature of the automobile bumper corner.

[0033] Embodiment 2, as Figure 1-4As shown, a sound insulation cotton 1 5 is fixedly installed on the side of the C-shaped encircling strip 4 away from the plate body 1, and sound insulation cotton 2 6 is fixedly installed on the ends of the two side sealing pads 3 away from the plate body 1, and sound insulation cotton 3 9 is fixedly installed on the side of the lower protective plate 7 close to the C-shaped encircling strip 4, and the end of the C-shaped encircling strip 4 away from the C-shaped sealing pad 2 is in sliding contact with one side of the sound insulation cotton 3 9, and the end of the sound insulation cotton 1 5 away from the C-shaped sealing pad 2 is in sliding contact with one side of the sound insulation cotton 3 9, and a wind-breaking strip 8 is fixedly installed on the end of the left arc plate 102 away from the multiple storage holes 101, and the end of the wind-breaking strip 8 away from the left arc plate 102 is fixedly installed on one end of the right arc plate 103, and the side of the wind-breaking strip 8 close to the C-shaped sealing pad 2 is in sliding contact with one end of the two side sealing pads 3, and the ends of the two sound insulation cotton 2 6 away from the C-shaped sealing pad 2 are in sliding contact with one side of the wind-breaking strip 8, and multiple circular through holes 10 are provided at both ends of the storage hole 101, the C-shaped encircling strip 4, and the sound insulation cotton 1 5 away from the center of the plate body 1.

[0034] In this embodiment, when in use, there are sound insulation cotton 1 5, sound insulation cotton 2 6, sound insulation cotton 3 9 between the C-type sealing gasket 2, two side sealing gaskets 3, C-type surrounding strip 4 and the car bumper, which are convenient for isolating the noise occurring around the plate body 1, and are beneficial for reducing the noise transmission to the interior of the car. The wind-breaking strip 8 is located below the main body 1, and the bottom of the wind-breaking strip 8 has a forty-five-degree inclined surface, which is convenient for guiding the wind when the car is driving, so that the utility model conforms to aerodynamics, and the screw of the bolt passes through the circular through hole 10 through the storage hole 101, the C-type surrounding strip 4, the sound insulation cotton 1 5 and the car bumper for installation.

[0035] Working principle: When in use, a plurality of storage holes 101 are provided on the plate body 1, so that after the bolts for fixing the plate body 1 are installed in the storage holes 101, the heads of the bolts can be hidden, and then the external decorative round caps can be snapped into the inner surfaces of the storage holes 101 to cover the storage holes 101 and the bolts, thereby avoiding damaging the aesthetics of the plate body 1. Due to the combined effect of the C-shaped sealing gasket 2, the two side sealing gaskets 3, and the C-shaped surrounding strip 4, when the plate body 1 and the car bumper are fitted together, the C-shaped sealing gasket 2, the two side sealing gaskets 3, and the C-shaped surrounding strip 4 are deformed under stress, so that the plate body 1 can fit the car bumper more closely, which is beneficial to avoiding gaps, improving the stability of the plate body 1 when installed on the car bumper, avoiding loosening when the car is driving, and improving the plate The safety of the body 1 in use, the lower protection plate 7 blocks the bottom area of ​​the car bumper, the setting of the left arc plate 102 and the right arc plate 103 is convenient for adapting to the curvature of the car bumper corner. When in use, there are sound insulation cotton 1 5, sound insulation cotton 2 6, sound insulation cotton 3 9 between the C-type sealing gasket 2, the two side sealing gaskets 3, the C-type surrounding strip 4 and the car bumper, which are convenient for isolating the noise occurring around the plate body 1, which is beneficial for reducing the noise transmission to the interior of the car. The wind-breaking strip 8 is located below the body 1, and the bottom of the wind-breaking strip 8 has a forty-five-degree inclined surface, which is convenient for guiding the wind when the car is driving, so that the utility model conforms to aerodynamics, and the screw of the bolt passes through the circular through hole 10 through the storage hole 101, the C-type surrounding strip 4, the sound insulation cotton 1 5 and the car bumper for installation.

[0036] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A carbon fiber composite material automobile rear bumper decorative plate, comprising a plate body (1), a plurality of receiving holes (101) being provided on one side of the plate body (1), and an external decorative round cap being clamped on the inner surface of the plurality of receiving holes (101), characterized in that: Also includes: A left arc plate (102) is arranged at one end of the plate body (1), and a right arc plate (103) is arranged at one end of the plate body (1) away from the left arc plate (102); A C-shaped sealing gasket (2) is fixedly mounted on one end of the plate body (1) away from the plurality of receiving holes (101), and a lower protective plate (7) is fixedly mounted on one end of the plate body (1) away from the C-shaped sealing gasket (2); Two side sealing pads (3) are respectively fixedly mounted on one end of the left arc plate (102) and the right arc plate (103) away from the plurality of storage holes (101); one end of the two side sealing pads (3) away from the lower protection plate (7) is fixedly mounted on one side of the C-shaped sealing pad (2); The C-shaped surrounding strip (4) is fixedly mounted on a side of the plate body (1) away from the plurality of storage holes (101), and one end of the C-shaped surrounding strip (4) away from the lower protective plate (7) is in sliding contact with one side of the C-shaped sealing pad (2).

2. The carbon fiber composite material automobile rear bumper decorative plate according to claim 1, characterized in that: A sound insulation cotton 1 (5) is fixedly installed on the side of the C-shaped surrounding strip (4) away from the plate body (1), and a sound insulation cotton 2 (6) is fixedly installed on the end of the two side sealing pads (3) away from the plate body (1).

3. The carbon fiber composite material automobile rear bumper decorative plate according to claim 2, characterized in that: A sound insulation cotton third (9) is fixedly installed on one side of the lower protection plate (7) close to the C-shaped surrounding strip (4), and one end of the C-shaped surrounding strip (4) away from the C-shaped sealing pad (2) is in sliding contact with one side of the sound insulation cotton third (9).

4. The carbon fiber composite material automobile rear bumper decorative plate according to claim 3, characterized in that: One end of the sound insulation cotton 1 (5) away from the C-shaped sealing pad (2) is in sliding contact with one side of the sound insulation cotton 3 (9), and one end of the left arc plate (102) away from the multiple storage holes (101) is fixedly installed with a wind breaking strip (8).

5. The carbon fiber composite material automobile rear bumper decorative plate according to claim 4, characterized in that: One end of the wind-breaking strip (8) away from the left arc plate (102) is fixedly mounted on one end of the right arc plate (103), and one side of the wind-breaking strip (8) close to the C-shaped sealing pad (2) is in sliding contact with one end of the two side sealing pads (3).

6. The carbon fiber composite material automobile rear bumper decorative plate according to claim 5, characterized in that: One end of the two sound insulation cottons (6) away from the C-shaped sealing pad (2) is in sliding contact with one side of the wind-breaking strip (8).

7. The carbon fiber composite material automobile rear bumper decorative plate according to claim 6, characterized in that: The storage hole (101), the C-shaped surrounding strip (4), and the sound insulation cotton (5) are provided with a plurality of circular through holes (10) at both ends away from the center of the plate body (1).