Automobile wheel cover fender
Patent Information
- Application Number
- CN202522316221.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-10-31
- Publication Date
- 2026-08-18
- Estimated Expiration
- 2035-10-31
AI Technical Summary
[0004]针对现有技术中存在的缺陷,本实用新型的目的在于提供一种汽车轮罩挡泥板,有效解决了现有技术在装配效率、噪音控制和结构稳定性方面的缺陷,实现了降低成本、提升环保性和耐用性的综合有益效果
1、本实用新型中,翻边部的边沿处设置有若干第一紧固件,翻边部上设置有若干第二紧固件,通过第一紧固件配合第二紧固件,起到紧固作用,不需要在另外设置卡扣,能够有效的减少装配工时,降低零件的成本。具体的,翻边部的边沿处设置若干第一紧固件,翻边部上设置若干第二紧固件。这种设计不需要额外卡扣,简化了安装流程。第一紧固件采用基板、回力部和夹持部的结构,配合螺套,实现快速螺栓固定;第二紧固件采用铆铆体和钉芯的膨胀结构,确保稳定锚固。
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Figure CN224644958U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of automotive parts technology, specifically to an automotive wheel arch mudguard. Background Technology
[0002] Wheel arch mudguards are located between the wheels and the vehicle body, primarily used to block mud and rainwater splashes from the road, protecting the vehicle's paint, chassis components, and pedestrian safety. Existing wheel arch mudguards have the following drawbacks: 1. Existing mudguards may rely on additional clips or complex fastening structures during installation, resulting in a longer assembly process and increased labor hours and parts costs.
[0003] 2. Existing mudguards lack effective sound absorption design, resulting in poor tire noise (NVH performance) and affecting driving comfort; at the same time, the materials may not be recyclable, which is not in line with the trend of green manufacturing. Utility Model Content
[0004] In view of the deficiencies in the existing technology, the purpose of this utility model is to provide a car wheel arch mudguard that effectively solves the deficiencies of the existing technology in terms of assembly efficiency, noise control and structural stability, and achieves the comprehensive beneficial effects of reducing costs, improving environmental protection and durability.
[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows: a car wheel arch mudguard, comprising a mudguard body, the mudguard body comprising an n-shaped base, a cover provided on the rear side of the base, a notch provided in the middle of the cover, and the upper end of the notch extending to the base; a sound-absorbing pad provided on the outer side of the cover; the left end of the base is bent to the left to form a flange, a plurality of first fasteners are provided at the edge of the flange, and a plurality of second fasteners are provided on the flange.
[0006] A further improvement is that: the first fastener includes a base plate, the left end of the base plate is bent upward to form a return portion, the upper end of the return portion is bent horizontally to the right to form a clamping portion, and the middle part of the clamping portion has a hollow portion; a threaded sleeve for installing a bolt is provided on the base plate, and the upper end of the threaded sleeve extends out from the hollow portion.
[0007] A further improvement is that the right end of the clamping part is bent upward to form an inclined part.
[0008] A further improvement is made in that: the second fastener includes a rivet body and a rivet core, the interior of the rivet body is a hollow structure, and a gasket is provided at the lower end of the rivet body; the side wall of the rivet body is provided with several strip grooves, which divide the side wall of the rivet body into several wall strips; the upper end of the rivet core extends into the interior of the rivet body from bottom to top.
[0009] A further improvement is that an expansion head is provided at the upper end of the rivet body, and the upper end of the nail core is connected to the expansion head.
[0010] A further improvement is that the outer layer of the sound-absorbing pad is PET needle-punched felt, and the inner interlayer is sound-absorbing cotton or polyurethane sponge.
[0011] A further improvement is that a number of first mounting seats are provided at the front edge of the base.
[0012] A further improvement is that the cover is provided with several second mounting seats.
[0013] A further improvement is that the mudguard body is a one-piece molded structure.
[0014] Further improvements include: both the base and the cover are provided with several reinforcing ribs and air guide grooves.
[0015] The beneficial effects of this utility model are as follows: 1. In this utility model, a plurality of first fasteners are provided at the edge of the flanged portion, and a plurality of second fasteners are provided on the flanged portion. The first fasteners and the second fasteners work together to achieve a fastening effect, eliminating the need for additional clips, effectively reducing assembly time and lowering the cost of parts. Specifically, a plurality of first fasteners are provided at the edge of the flanged portion, and a plurality of second fasteners are provided on the flanged portion. This design eliminates the need for additional clips, simplifying the installation process. The first fasteners adopt a structure of a base plate, a return part, and a clamping part, and work with a threaded sleeve to achieve quick bolt fixing; the second fasteners adopt an expansion structure of a rivet body and a nail core to ensure stable anchoring.
[0016] 2. In this invention, a sound-absorbing pad is provided on the outer side of the cover. The outer layer of the sound-absorbing pad is PET needle-punched felt, and the inner layer is sound-absorbing cotton or polyurethane sponge. This composite structure effectively reduces tire noise, and the PET material is recyclable, supporting green manufacturing. Attached Figure Description
[0017] Figure 1 This is a perspective view of the mudguard of the automobile wheel arch in an embodiment of this utility model; Figure 2 This is a front view of the mudguard of the automobile wheel arch in an embodiment of this utility model; Figure 3 This is a rear view of the mudguard of the automobile wheel arch in an embodiment of this utility model; Figure 4 This is a top view of the mudguard of the automobile wheel arch in an embodiment of this utility model; Figure 5 This is a bottom view of the mudguard of the automobile wheel arch in an embodiment of this utility model; Figure 6 This is a left view of the mudguard of the automobile wheel arch in an embodiment of this utility model; Figure 7 This is a right view of the mudguard of the automobile wheel arch in an embodiment of this utility model; Figure 8 This is a perspective view of the first fastener in an embodiment of the present utility model; Figure 9 This is a cross-sectional view of the first fastener in an embodiment of the present utility model; Figure 10 This is a schematic diagram of the structure of the second fastener in an embodiment of this utility model; Figure 11 This is a structural schematic diagram of the second fastener from another side of the embodiment of the present invention; Figure 12 This is a cross-sectional view of the second fastener in an embodiment of this utility model.
[0018] Figure label: 1-Mudguard body; 11-Base; 12-Cover; 13-Notch; 14-First mounting base; 15-Second mounting base; 16-Sound-absorbing pad; 2-Flanged edge; 3-First fastener; 31-Base plate; 32-Returning part; 33-Clamping part; 34-Inclined part; 35-Screw sleeve; 36-Hollowed-out part; 4-Second fastener; 41-Rivet body; 42-Washer; 43-Expansion head; 44-Strip groove; 45-Nail core. Detailed Implementation
[0019] The embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout.
[0020] In the description of this utility model, it should be noted that the directional terms such as "center", "horizontal (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", and "counterclockwise" indicate the orientation and positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. They should not be construed as limiting the specific protection scope of this utility model.
[0021] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features. Thus, the use of "first" and "second" to define a feature may explicitly or implicitly include one or more of that feature. In the description of this utility model, "several" or "a number" means two or more, unless otherwise explicitly specified.
[0022] The following description, in conjunction with the accompanying drawings, further illustrates specific embodiments of the present invention, making the technical solution and beneficial effects of the present invention clearer and more explicit. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, but should not be construed as limiting the present invention.
[0023] See Figures 1-7 As shown, this utility model embodiment provides a car wheel arch mudguard, including a mudguard body 1. The mudguard body 1 includes an n-shaped base 11, a cover 12 is provided on the rear side of the base 11, a notch 13 is provided in the middle of the cover 12, and the upper end of the notch 13 extends to the base 11; a sound-absorbing pad 16 is provided on the outer side of the cover 12; the left end of the base 11 is bent to the left to form a flange 2, a plurality of first fasteners 3 are provided at the edge of the flange 2, and a plurality of second fasteners 4 are provided on the flange 2. Specifically, the outer layer of the sound-absorbing pad 16 is PET needle-punched felt, and the inner interlayer is sound-absorbing cotton or polyurethane sponge. A composite layer of PET (polyester) needle-punched nonwoven fabric and high-grammage cotton felt (felting) is used to form a lightweight, wear-resistant composite layer with good sound absorption performance. The PET felt composite material is first preheated and softened (approximately 100°C), then molded at 170°C to ensure complete bonding and curing, forming the desired arc-shaped wheel arch. Several first mounting seats 14 are provided at the front edge of the base 11. Several second mounting seats 15 are provided on the cover 12. The mudguard body 1 is a one-piece molded structure. Both the base 11 and the cover 12 are provided with several reinforcing ribs and air guide channels. The air guide channels utilize airflow guidance to reduce wind resistance and prevent mud and water from splashing into the wheel. The mudguard body is arc-shaped and mounted above the wheel, with multiple parallel reinforcing ribs arranged along the arc direction to improve overall rigidity and prevent deformation.
[0024] See Figures 8-9 As shown, the first fastener 3 includes a base plate 31. The left end of the base plate 31 is bent upward to form a return portion 32, and the upper end of the return portion 32 is bent horizontally to the right to form a clamping portion 33. The clamping portion 33 has a hollow portion 36 in the middle. A threaded sleeve 35 for mounting a bolt is provided on the base plate 31, and the upper end of the threaded sleeve 35 extends out from the hollow portion 36. Specifically, the right end of the clamping portion 33 is bent upward to form an inclined portion 34.
[0025] See Figures 10-12As shown, the second fastener 4 includes a rivet body 41 and a rivet core 45. The rivet body 41 has a hollow interior and a washer 42 is provided at its lower end. The sidewall of the rivet body 41 is provided with several strip grooves 44, dividing the sidewall of the rivet body 41 into several wall strips. The upper end of the rivet core 45 extends into the interior of the rivet body 41 from bottom to top. Specifically, an expansion head 43 is provided at the upper end of the rivet body 41, and the upper end of the rivet core 45 is connected to the expansion head 43.
[0026] In the description of this specification, references to terms such as "an embodiment," "preferred," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of this utility model. Illustrative expressions of the above terms in this specification do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.
[0027] Based on the above description of the structure and principle, those skilled in the art should understand that this utility model is not limited to the specific embodiments described above. Improvements and substitutions based on this utility model using techniques known in the art all fall within the protection scope of this utility model and should be defined by the claims.
Claims
1. A wheel-arch fender for a motor vehicle, comprising a fender body (1), characterized in that: The mudguard body (1) includes an n-shaped base (11), a cover (12) is provided on the rear side of the base (11), a notch (13) is provided in the middle of the cover (12), and the upper end of the notch (13) extends to the base (11); a sound-absorbing pad (16) is provided on the outer side of the cover (12); the left end of the base (11) is bent to the left to form a flange (2), a plurality of first fasteners (3) are provided at the edge of the flange (2), and a plurality of second fasteners (4) are provided on the flange (2).
2. The automobile wheel arch mudguard according to claim 1, characterized in that: The first fastener (3) includes a base plate (31), the left end of the base plate (31) is bent upward to form a return part (32), the upper end of the return part (32) is bent horizontally to the right to form a clamping part (33), and the middle part of the clamping part (33) has a hollow part (36); a screw sleeve (35) for installing bolts is provided on the base plate (31), and the upper end of the screw sleeve (35) extends out from the hollow part (36).
3. The automobile wheel arch mudguard according to claim 2, characterized in that: The right end of the clamping part (33) is bent upward to form an inclined part (34).
4. The automobile wheel arch mudguard according to claim 1, characterized in that: The second fastener (4) includes a rivet body (41) and a nail core (45). The interior of the rivet body (41) is hollow, and a washer (42) is provided at the lower end of the rivet body (41). The side wall of the rivet body (41) is provided with several strip grooves (44) to divide the side wall of the rivet body (41) into several wall strips. The upper end of the nail core (45) extends into the interior of the rivet body (41) from bottom to top.
5. The automobile wheel arch mudguard according to claim 4, characterized in that: An expansion head (43) is provided at the upper end of the rivet body (41), and the upper end of the nail core (45) is connected to the expansion head (43).
6. The automobile wheel arch mudguard according to claim 1, characterized in that: The outer layer of the sound-absorbing pad (16) is PET needle-punched felt, and the inner layer is sound-absorbing cotton or polyurethane sponge.
7. The automobile wheel arch mudguard according to claim 1, characterized in that: Several first mounting seats (14) are provided at the front edge of the base (11).
8. The automobile wheel arch mudguard according to claim 1, characterized in that: The cover (12) is provided with several second mounting seats (15).
9. The automobile wheel arch mudguard according to claim 1, characterized in that: The mudguard body (1) is an integrally formed structure.
10. The automobile wheel arch mudguard according to claim 1, characterized in that: Both the base (11) and the cover (12) are provided with several reinforcing ribs and air guide grooves.