Connector assembly of vehicle door projection display system

Abstract

The utility model relates to a connector assembly of a vehicle door projection display system, which comprises a metal terminal and a plastic part, the metal terminal is brass, the bottom layer of the brass is plated with nickel, the thickness of the nickel is 0.50-2.50 microns, the surface layer of the brass is plated with fog tin, and the thickness of the fog tin is 0.76-3.50 microns; the plastic part is made of black polyphenylene sulfide containing 40% of glass fibers, the plastic part is provided with a fixing channel matched with the metal terminal in size, and the metal terminal is inserted into the fixing channel. Generally speaking, the connector assembly of the vehicle door projection display system considers factors in multiple aspects of electrical performance, corrosion resistance, strength, applicability and the like in design, has good engineering practicability and economical efficiency, and can meet the requirements of the modern automobile industry for high-quality and high-reliability connector assemblies.

Description

Technical Field

[0001] The utility model relates to a connector component of a vehicle door projection display system. Background Art

[0002] As people born in the 1980s, 1990s and even 2000s become active consumers in the automobile market, the automobile industry continues to face the challenge of younger consumption trends. The new generation of consumers is more pursuing personalized and fashionable car styles and labels, which also makes the appearance design of the car more important. As an important part of the appearance of the car, lamps play a vital role in vehicle design, so they are given more expectations.

[0003] In recent years, some new types of automotive lamps such as automotive projection lamps, logo welcome lamps, welcome light carpets, etc. have been launched one after another, attracting the attention of many car owners. These lamps not only have the functions of finding the car and lighting the road, but also highlight the personalized identity of the car owner through the projected patterns or identification symbols, creating a sense of technology and ritual, and enhancing the nighttime welcoming effect. With the continuous advancement of technology, these lamps have also acquired more functions such as signal indication and information interaction, making their application scope more extensive.

[0004] In order to allow pure electric vehicles, plug-in hybrid vehicles or traditional energy vehicles to use the above functions and avoid unnecessary waste of resources caused by developing multiple connector components for multiple models, it is very important to invent a connector component suitable for multiple models to avoid the waste of resources caused by developing multiple connector components for multiple models. Utility Model Content

[0005] The utility model aims to provide a connector assembly suitable for a door projection display system of various vehicle models.

[0006] The purpose of the utility model is achieved in this way:

[0007] A connector assembly for a vehicle door projection display system, comprising a metal terminal and a plastic part, wherein the metal terminal is brass, the bottom layer of the brass is nickel-plated, the thickness of the nickel plating is 0.50um to 2.50um, and the surface layer of the brass is matte tin-plated, the thickness of the matte tin is 0.76um to 3.50um;

[0008] The plastic part is a plastic part made of black polyphenylene sulfide containing 40% glass fiber. The plastic part is provided with a fixing channel whose size matches that of the metal terminal, and the metal terminal is inserted into the fixing channel.

[0009] Superior electrical performance: The metal terminals are made of brass material and are nickel-plated on the bottom layer and matte-tin-plated on the surface, which improves the conductivity and stability of the electrical connection and ensures the reliability of the connector assembly.

[0010] Corrosion resistance: The bottom nickel plating and surface matte tin plating of the brass material improve the corrosion resistance of the metal terminal, so that it can still maintain a good connection effect in a humid or harsh environment, extending the service life of the connector assembly.

[0011] High strength and durability: The plastic parts are made of black polyphenylene sulfide containing 40% glass fiber, which has good strength and durability and can withstand certain mechanical pressure and impact, ensuring that the connector components are not easily damaged during use.

[0012] Fixed channel design: The plastic part is provided with a fixed channel, so that the metal terminal can be easily inserted into it by an automatic pin insertion machine, which simplifies the installation and removal process and improves the convenience and efficiency of use.

[0013] Wide applicability: The connector assembly is suitable for various types of vehicles, including pure electric vehicles, plug-in hybrid vehicles and traditional energy vehicles, providing a more universal and flexible solution and reducing development and production costs.

[0014] In general, the connector components of this door projection display system are designed with consideration of multiple factors such as electrical performance, corrosion resistance, strength and applicability. It has good engineering practicality and economy, and can meet the modern automotive industry's demand for high-quality, high-reliability connector components.

[0015] Universal design: Brass metal terminals and black polyphenylene sulfide plastic parts are common materials and are widely used in the automotive industry. This universal design makes the connector assembly suitable for a variety of vehicle models, whether it is a pure electric vehicle, a plug-in hybrid vehicle or a traditional energy vehicle.

[0016] Flexible size matching: The innovative design mentions that the plastic parts are provided with fixed channels whose sizes match those of the metal terminals, which means that the size of the connector assembly can be adjusted according to the requirements of different vehicle models, thereby ensuring compatibility with various vehicle models.

[0017] Unified manufacturing standards: The innovative design specifies the thickness range of nickel plating and matte tin plating for brass terminals, as well as the material and fiber content of plastic parts. These unified manufacturing standards can simplify the production process, reduce production costs, and are applicable to the production needs of a variety of vehicle models.

[0018] In summary, the innovatively designed connector assembly of the door projection display system has a universal design, flexible size matching and unified manufacturing standards, so that pure electric vehicles, plug-in hybrid vehicles or traditional energy vehicles can use the above functions while avoiding waste of resources.

[0019] The purpose of the utility model can also be solved by the following technical measures:

[0020] Furthermore, the brass is H65 brass.

[0021] Excellent mechanical properties: H65 brass has good mechanical properties, including high strength and hardness, which enables the metal terminals to withstand greater mechanical pressure and impact, thereby improving the durability and reliability of the connector assembly.

[0022] Excellent processing performance: H65 brass is easy to process and form, suitable for processing and machining in automated production processes, which helps to reduce production costs and improve production efficiency.

[0023] Good electrical conductivity: Brass itself has good electrical conductivity, which can ensure good electrical connection and conduction performance of connector components, and improve the stability and reliability of the automotive electrical system.

[0024] Corrosion resistance: H65 brass has good corrosion resistance under common environmental conditions, which can maintain the long-term stability and durability of connector components and extend their service life.

[0025] Compliance with environmental protection requirements: H65 brass is a common environmentally friendly material with good environmental performance. It meets the requirements of the modern automotive industry for environmentally friendly materials and is conducive to improving the sustainability of products.

[0026] In summary, specifying the brass material as H65 brass further enhances the performance and reliability of connector components, making it more suitable for the high-demand environment of the automotive industry and having broader application prospects.

[0027] Furthermore, the surface layer of the brass is plated with the nickel by means of bulk barrel plating, and the bottom layer of the brass is plated with the matte tin by means of bulk barrel plating.

[0028] Uniform coverage: Barrel plating ensures that nickel and matte tin evenly cover the brass surface, making the plating thickness consistent and reducing the adverse effects that may be caused by differences in plating thickness.

[0029] High efficiency: Roll plating of loose parts can process multiple loose parts at the same time, so the production efficiency is high. It can quickly complete the electroplating tasks of large quantities of loose parts, thus improving production efficiency.

[0030] Cost saving: Compared with single-part electroplating, bulk barrel plating processes multiple parts at one time, reducing manual operations and energy consumption during the electroplating process and lowering production costs.

[0031] Good quality control: The roll plating process of loose parts is relatively stable, which can ensure that the plating solution is evenly distributed on the surface of each loose part, improve the quality stability of the coating, and reduce the defective rate.

[0032] Wide applicability: Barrel plating is suitable for parts of various shapes and sizes, including small parts such as metal terminals, so it has a wide range of applicability.

[0033] In summary, the use of barrel plating to plate nickel on the surface of brass and matte tin on the bottom layer can achieve the advantages of uniform coverage of metal terminals, efficient production, cost savings, quality control and wide applicability, and is an effective electroplating treatment method.

[0034] Furthermore, the plastic part is separated by the fixing channels, and a separating plastic spacer is formed between the fixing channels, and the width of the separating plastic spacer is smaller than the width of the metal terminal.

[0035] Secure fixation: The setting of fixed channels and separating plastic spacers enables the metal terminals to be securely installed in the specified position without movement or loosening, ensuring the stability and reliability of the connector assembly.

[0036] Prevent short circuit: The width of the separating plastic spacer is smaller than the width of the metal terminal, which effectively prevents direct contact between the metal terminals, avoids the occurrence of circuit problems such as short circuit, and improves the safety of the connector.

[0037] Simplified maintenance: The internal structure of the connector assembly is clear through the setting of fixed channels and separating plastic spacers, which facilitates maintenance and repair and improves the overall maintenance efficiency.

[0038] Enhanced durability: The setting of separating plastic spacers can effectively reduce friction and vibration between metal terminals, reduce wear and tear on connector components, and extend service life.

[0039] Improved aesthetics: The presence of the separating plastic spacers makes the internal structure of the connector assembly more neat and orderly, enhancing the overall aesthetics and appearance texture.

[0040] In summary, by providing a fixing channel and separating plastic spacers, the connector assembly can be firmly fixed, short circuits can be prevented, maintenance can be simplified, durability can be enhanced, and aesthetics can be improved, thereby optimizing the design and function of the connector and improving its practicality and performance.

[0041] The beneficial effects of the utility model are as follows:

[0042] In the utility model, the metal terminal has good corrosion resistance and excellent conductivity, and the presence of the plating further improves the corrosion resistance and conductivity; secondly, the plastic parts use glass fiber reinforced materials to improve the strength and rigidity of the plastic parts. Finally, the size-matched fixing channels ensure a firm connection between the metal terminals and the plastic parts, thereby optimizing the quality and reliability of the overall connector assembly. This design not only reduces production costs and improves production efficiency, but also optimizes product appearance quality and enhances product competitiveness and user experience.

[0043] The utility model ensures that the size and function of the finished product after assembly meet the requirements by reasonably designing the dimensional tolerance of the matching parts of the metal terminal and the plastic part, thereby reducing the defective product rate. In addition, the utility model adopts the loose parts assembly method to reduce the product defective rate and improve the quality stability of the product.

[0044] The utility model realizes the automatic production of products through the continuous production of the automatic pin insertion machine, reduces the input of production manpower, improves the production efficiency, does not adopt the plastic packaging method, reduces the difficulty of developing injection molds, and improves the production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0045] Figure 1 Schematic diagram of the connector assembly of the door projection display system.

[0046] Figure 2 This is a schematic diagram from another angle of the connector assembly of the door projection display system.

[0047] Figure 3 A cross-sectional view of the connector assembly of a door projection display system.

[0048] Figure 4 A cross-sectional view of a metal terminal. DETAILED DESCRIPTION

[0049] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0050] Example, combined with Figures 1 to 4 As shown, a connector assembly of a vehicle door projection display system comprises a metal terminal 1 and a plastic part 2, wherein the metal terminal 1 is brass, the bottom layer of the brass is nickel-plated 3, the thickness of the nickel plating 3 is 2.50 um, and the surface layer of the brass is matte tin 4, the thickness of the matte tin 4 is 3.50 um;

[0051] The plastic part 2 is a plastic part 2 made of black polyphenylene sulfide containing 40% glass fiber. The plastic part 2 is provided with a fixing channel 5 whose size matches that of the metal terminal 1 , and the metal terminal 1 is inserted into the fixing channel 5 .

[0052] Furthermore, the brass is H65 brass.

[0053] Furthermore, the surface layer of the brass is plated with the nickel by means of bulk barrel plating, and the bottom layer of the brass is plated with the matte tin 4 by means of bulk barrel plating.

[0054] Furthermore, during the design phase, the dimensional tolerances of the matching parts of the metal terminal 1 and the fixing channel 5 of the plastic part 2 are superimposed and analyzed, and the dimensional tolerances of the parts of the metal terminal 1 and the plastic part 2 are reasonably distributed to ensure the size of the finished product after assembly.

[0055] Functional and precise assembly: By superimposing the tolerances of the metal terminal 1 and the fixing channel 5 of the plastic part 2, it can be ensured that they have good fit during assembly and meet the requirements in terms of size, thereby improving the accuracy and reliability of assembly.

[0056] Reduce scrap rate: Reasonable distribution of the part size tolerances of the metal terminal 1 and the plastic part 2 can avoid the generation of scrap caused by poor dimensional matching, reduce the defective rate in production, and reduce the waste of costs and resources.

[0057] Optimize the production process: Taking the reasonable distribution of part dimensional tolerances into consideration during the design phase can effectively optimize the production process, reduce adjustments and corrections caused by dimensional deviations, and improve production efficiency.

[0058] Enhance product quality: By reasonably distributing the dimensional tolerances of parts, it can be ensured that the size and function of the assembled finished product meet the requirements, thereby improving the quality stability and reliability of the product.

[0059] Improve design reliability: Superposition analysis of part dimensional tolerances can help designers better understand the fit between parts, thereby optimizing the design and improving the reliability and practicality of the design.

[0060] In summary, by superimposing the dimensional tolerances of the matching parts of the metal terminal 1 and the plastic part 2 fixing channel 5 during the design stage and reasonably distributing the dimensional tolerances of the parts, it is an important design method to ensure that the size and function of the assembled finished product meet the requirements of the drawings, reduce waste and improve efficiency.

[0061] Furthermore, through continuous production by an automatic pin insertion machine, the metal terminals 1 are pushed into the fixed channels 5 of the plastic part 2 in rows, and after automatic cleaning and automatic detection by the equipment, automatic reel packaging of the product is achieved. By inserting the metal terminals 1 in rows, uninterrupted production is achieved, which reduces the investment in production manpower and ensures rapid and stable production of products to meet customer order requirements in a timely manner.

[0062] Improve production efficiency: Automated production lines can produce products continuously and efficiently without the need for human intervention, which greatly improves production efficiency, shortens production cycles, and can meet customer order needs in a timely manner.

[0063] Reduce production costs: Automated production lines reduce labor input, reduce production costs, improve production efficiency, and thus enhance the competitiveness of the enterprise.

[0064] Improve product quality: The automatic cleaning and automatic detection functions of the automated production line can promptly detect and handle abnormal situations in production, ensuring the stability and reliability of product quality.

[0065] Reduce human errors: Automated production lines realize mechanized production, reduce human operation and intervention, reduce the defective rate caused by human errors, and improve product consistency and qualification rate.

[0066] Save human resources: Automated production lines reduce the need for manual operation and monitoring, freeing up human resources. Personnel can be deployed to other links that require more manual intervention, thereby improving the overall efficiency of the production line.

[0067] In summary, the automated production line can realize the insertion of metal terminals 1 in rows, automatic cleaning, automatic detection and automatic packaging, which can improve production efficiency, reduce production costs, improve product quality, reduce human errors, and save human resources. It is an efficient and reliable production method that helps companies improve their competitiveness and meet customer needs.

[0068] Furthermore, the finished connector adopts the method of assembling parts instead of plastic coating, which reduces the difficulty of developing injection molds, improves production efficiency, and also reduces the defective rate of products.

[0069] Reduce the difficulty of injection mold development: The parts assembly method does not require complex overall injection molds, which reduces the complexity of mold design and manufacturing, and reduces development difficulty and time cost.

[0070] Improve production efficiency: The parts assembly method allows the production process of each part to be carried out in parallel, without waiting for the overall shell injection molding to be completed, thereby improving production efficiency and production line utilization.

[0071] Reduce product defective rate: The loose parts assembly method makes it easier to find and replace unqualified parts. Each part can be inspected and tested individually, reducing the defective rate and improving the quality stability of the product.

[0072] Enhanced flexibility: Not using overall plastic packaging means that the product design and assembly plan can be adjusted more flexibly, and rapid adjustments can be made based on market demand and customer feedback, which improves the adaptability and flexibility of the product.

[0073] Cost saving: The parts assembly method does not require the high cost of manufacturing the entire shell, which reduces the production cost. It is more economical and practical, especially for small batch production or customized production.

[0074] In summary, the finished connector adopts the method of assembling parts instead of overmolding, which brings obvious beneficial effects in reducing the difficulty of developing injection molds, improving production efficiency, reducing product defective rate, enhancing flexibility and saving costs.

[0075] Furthermore, the plastic part 2 is separated by the fixing channels 5 , and a separating plastic spacer 6 is formed between the fixing channels 5 , and the width of the separating plastic spacer 6 is smaller than the width of the metal terminal 1 .

[0076] Firm fixation: The provision of the fixing channel 5 and the separating plastic spacer 6 enables the metal terminal to be firmly installed in the specified position without movement or loosening, thereby ensuring the stability and reliability of the connector assembly.

[0077] Preventing short circuit: The width of the separating plastic spacer 6 is smaller than the width of the metal terminal, which effectively prevents direct contact between the metal terminals, avoids the occurrence of circuit problems such as short circuit, and improves the safety of the connector.

[0078] Simplified maintenance: By setting the fixed channel 5 and the separating plastic spacer 6, the internal structure of the connector assembly is clear, which is convenient for maintenance and repair, and improves the overall maintenance efficiency.

[0079] Enhanced durability: The provision of the separating plastic spacer 6 can effectively reduce the friction and vibration between the metal terminals, reduce the wear of the connector components, and extend the service life.

[0080] Improved aesthetics: The presence of the separating plastic spacer 6 makes the internal structure of the connector assembly more neat and orderly, and enhances the overall aesthetics and appearance texture.

[0081] In summary, by providing the fixing channel 5 and the separating plastic spacer 6, the connector assembly can be firmly fixed, short circuit can be prevented, maintenance can be simplified, durability can be enhanced, and aesthetics can be improved, thereby optimizing the design and function of the connector and improving its practicality and performance.

[0082] Specifying the brass material as H65 brass further enhances the performance and reliability of the connector assembly:

[0083] Excellent mechanical properties: H65 brass has good mechanical properties, including high strength and hardness, which enables the metal terminal 1 to withstand greater mechanical pressure and impact, thereby improving the durability and reliability of the connector assembly.

[0084] Excellent processing performance: H65 brass is easy to process and form, suitable for processing and machining in automated production processes, which helps to reduce production costs and improve production efficiency.

[0085] Good electrical conductivity: Brass itself has good electrical conductivity, which can ensure good electrical connection and conduction performance of connector components, and improve the stability and reliability of the automotive electrical system.

[0086] Corrosion resistance: H65 brass has good corrosion resistance under common environmental conditions, which can maintain the long-term stability and durability of connector components and extend their service life.

[0087] Compliance with environmental protection requirements: H65 brass is a common environmentally friendly material with good environmental performance. It meets the requirements of the modern automotive industry for environmentally friendly materials and is conducive to improving the sustainability of products.

[0088] In summary, specifying the brass material as H65 brass further enhances the performance and reliability of connector components, making it more suitable for the high-demand environment of the automotive industry and having broader application prospects.

[0089] Black polyphenylene sulfide (PPS) containing 40% glass fiber plastic part 2 has many beneficial effects:

[0090] High strength and rigidity: Glass fiber, as a reinforcing material, can significantly improve the strength and rigidity of the plastic part 2, making it have better tensile and bending resistance and able to withstand greater mechanical loads.

[0091] Excellent heat resistance: PPS itself has high heat resistance, and after adding 40% glass fiber, its heat resistance is further improved, making it suitable for applications in high temperature environments, such as indoor parts of automobile engines.

[0092] Good chemical resistance: PPS substrate has good chemical resistance and can resist corrosion from many chemicals. After adding glass fiber, its chemical resistance is further enhanced, making it more suitable for harsh working environments.

[0093] Dimensional stability: The addition of glass fiber can reduce the thermal expansion coefficient of the plastic part 2, improve its dimensional stability, reduce dimensional changes under temperature changes, and ensure the accuracy and stability of the connector assembly.

[0094] Wear resistance: Glass fiber has a high hardness, which can improve the wear resistance of the plastic part 2 and extend its service life. It is particularly suitable for automotive parts that need to be frequently disassembled and connected.

[0095] In summary, the black polyphenylene sulfide plastic part 2 containing 40% glass fiber has excellent properties such as high strength, heat resistance, chemical resistance, dimensional stability and wear resistance, which can meet the automotive industry's demand for high-performance and high-reliability connector components and provide a good material choice for connector components of automotive projection display systems.

[0096] The brass terminals are plated with nickel at the bottom 3 and matte tin at the top 4 to provide the following benefits:

[0097] Improved corrosion resistance: The bottom nickel plating3 can effectively prevent the brass terminals from oxidizing with moisture and chemicals in the external environment, thereby improving the corrosion resistance of the brass terminals and extending the service life of the connector assembly.

[0098] Optimized Conductivity: Nickel plating 3 improves the conductivity of brass terminals, making the electrical connection of connector components more stable and reliable, helping to reduce resistance and energy loss, and improving the efficiency of the vehicle's electrical system.

[0099] Improved surface smoothness: After nickel plating3 and matte tin plating4 treatment, the surface of the brass terminal is smoother, which can reduce friction during connection, reduce the contact resistance of the connector assembly, and improve the stability of signal transmission.

[0100] Enhanced Solderability: The nickel-plated3 and matte-tin-plated4 brass terminal surfaces have good solderability and are easy to solder to other circuit components, simplifying the installation and maintenance of connector assemblies.

[0101] Improved aesthetics: Matte tin plating 4 treatment can form a uniform tin layer on the surface of the brass terminal, making its appearance more uniform and bright, improving the overall aesthetics of the connector assembly and meeting the automotive industry's requirements for appearance quality.

[0102] In summary, the brass terminals are treated with bottom nickel plating 3 and surface matte tin plating 4, which can effectively improve the corrosion resistance, electrical conductivity, surface smoothness, solderability and aesthetics of the connector assembly, further enhance the stability and reliability of the connector assembly, and are suitable for high-demand application scenarios such as automotive projection display systems.

[0103] The metal terminal 1 and the plastic part 2 are automatically packaged on a reel by an automatic pin insertion machine, which has the following beneficial effects:

[0104] Improve production efficiency: The automatic pin insertion machine can continuously push the metal terminals 1 into the fixed channels 5 of the plastic parts 2 in rows. The automated production process greatly improves production efficiency and saves labor costs and production time.

[0105] Guarantee product quality: The automatic pin insertion machine operates accurately and reliably, and can ensure that the metal terminal 1 is correctly inserted into the fixing channel 5 of the plastic part 2, avoiding errors that may be caused by human operation and improving the consistency and quality stability of the product.

[0106] Reduce costs: The automated production process reduces manpower input and production time, reduces production costs, improves production efficiency, and makes product manufacturing more economical and efficient.

[0107] Enhance the overall performance of the production line: The automatic pin insertion machine, together with automatic cleaning and automatic detection equipment, constitutes a complete automated production line, which can realize unattended and continuous assembly line operation of the production process, improving the overall performance and stability of the production line.

[0108] Improve product packaging efficiency: After the products produced by the automatic pin insertion machine are automatically inspected, they immediately enter the automatic reel packaging stage without manual intervention, which reduces the time and labor in the packaging process and improves packaging efficiency.

[0109] In summary, the automatic reel packaging of products through the automatic pin insertion machine can effectively improve production efficiency, ensure product quality, reduce costs, enhance the overall performance of the production line, and improve product packaging efficiency, bringing many benefits to the production process.

Claims

1. A connector assembly for a vehicle door projection display system, comprising a metal terminal and a plastic part, characterized in that: The metal terminal is brass, the bottom layer of the brass is nickel-plated, the thickness of the nickel plating is 0.50um to 2.50um, and the surface layer of the brass is matte tin-plated, the thickness of the matte tin is 0.76um to 3.50um; The plastic part is provided with a fixing channel whose size matches that of the metal terminal, and the metal terminal is inserted into the fixing channel.

2. The connector assembly of the vehicle door projection display system according to claim 1, characterized in that: The brass is H65 brass.

3. The connector assembly of the vehicle door projection display system according to claim 1, characterized in that: The surface layer of the brass is plated with the nickel by means of bulk barrel plating, and the bottom layer of the brass is plated with the matte tin by means of bulk barrel plating.

4. The connector assembly of the vehicle door projection display system according to claim 1, characterized in that: The plastic parts are separated by the fixing channels, and a separating plastic spacer is formed between the fixing channels. The width of the separating plastic spacer is smaller than the width of the metal terminal.

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