拉链设计，轻松畅享完美搭配

拉链设计：轻松畅享完美搭配

什么是拉链

拉链，又称拉锁、尼龙锁，是一种用于连接两端物品的开合式装置。它由一条连续的金属或塑料齿，通过拉链头的上下拽动，使得两侧齿与接齿，形成一条密闭的链条。拉链广泛应用于衣服、鞋子、行李箱、帐篷、背包等物品中，是一种方便快捷的连接方式。拉链的可靠性和美观度在很大程度上取决于拉链的设计。设计师需要考虑拉链的材料、结构、安装方式等因素，以确保其结构简洁、使用方便、性能稳定。

拉链的材料与结构

拉链的材料一般包括金属、尼龙、塑料等。金属拉链具有坚固耐用、强度高的特点，适用于高负荷和高强度需求的场合。尼龙拉链轻便、灵活、不易生锈，适用于休闲服装、运动鞋等轻型应用。塑料拉链成本低廉，适用于一次性商品、儿童玩具等低质量需求的场合。拉链的结构主要包括拉头、齿、滑块、止口等组成部分。拉头是指拉链的操作部分，可分为A、B两种类型。齿是拉链的核心部分，它在拉头的带动下，通过接齿与另一侧齿相连接，形成开合式的连接。滑块是指连接两侧齿的部分，它的材质一般为塑料或金属，用于平滑地滑动齿与齿之间的接触。止口是指拉链的两端，用于固定拉链的位置。

拉链的设计原则

拉链的设计需要考虑服装款式、风格、用途等多方面因素。以下是拉链设计的四大原则。

1.功能性原则

拉链的功能性是设计中最重要的考虑因素。它应该能够实现开启和关闭的功能，而且在穿着和使用中，不能出现卡顿、滑动不畅等问题。拉链头的设计也应符合功能性原则，要求拉头操作简单、下拉平稳、拍合紧密。

2.美学原则

拉链的美学原则包括色彩、纹理、材质等方面。设计师应该选择颜色与服装协调、纹理简洁、材质耐用的拉链，以实现服装整体美感的提升。

3.流线型原则

拉链的流线型原则是指在穿着服装时，拉链不应凸显出来，应该与服装整体融为一体。流线型原则的实现需要从拉链的形态、位置、长度等方面进行考虑。

4.安全性原则

拉链的安全性原则是指拉链不应对人体造成伤害。要实现这个原则，设计师需要考虑拉链的尺寸、材质、加工工艺等因素。

拉链设计案例

拉链设计案例包括鞋子、服装、箱包等方面，下面以一个箱包设计案例为例进行阐述。

设计需求

设计师需要设计一款符合现代人生活需求的旅行箱包，款式简洁、美观、实用。拉链的设计需要满足旅行箱包的开合需求，同时保证拉链的美学性和功能性。

设计实现

设计师选择了一种经典的箱包设计，以黑色皮革为主色调，搭配银色拉链，实现了简约、大气、高贵的效果。拉链头采用先进的防滑设计，确保拉链开合顺畅。拉链的位置和长度与箱包整体美感相得益彰，流线型设计避免了拉链凸显的问题。最后，拉链的内部和外部均采用特殊材质进行加固，实现了拉链的安全性。

总结

拉链是一种广泛应用于生活中的开合式装置，设计的优劣直接关系到其使用体验和美观效果。拉链的设计需要考虑材料、结构、功能、美学、流线型和安全性等多方面因素。设计师需要结合具体的需求场景，选用不同类型的拉链材料和结构，使其拥有更好的使用体验和美感。

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BEIJING, June 22 (TiPost)— China will step up adoption of vehicles backed by high-level self-driving technology as it ramps up fiscal stimulus for consumers spending on the clean cars.

Source: Visual China

The Ministry of Industry and Information Technology (MIIT) will launch pilot projects for on road and traffic applications of intelligent connected vehicles, carry out the demonstration of citywide vehicle-road-cloud integration, and support conditional autonomous driving, namely, commercialization of L3 or above level autonomous driving technology, said Xin Guobin, the Vice Minister of MIIT, at a press conference on Wednesday.

Companies from all over the world are welcomed to invest in China, and Beijing will support their partnership with Chinese firms on fields such as solid-state batteries and self-driving, and their cooperation to address technical difficulties, so as to accelerate tech breakthrough and industrial applications, Xin said. Xin also encourage domestic companies to expand operations beyond China, build facilities and bring their advanced technologies and products overseas.

Xin’s remark came as the day China unveiled the highly-anticipated tax break to boost electric vehicle (EV) and other green cars, as part of efforts for economic support.

The government will extend and optimize the purchase tax exemptions for the new energy vehicle (NEV), including the battery electric vehicle (BEV) and the plug-in hybrid electric vehicle (PHEV), the Ministry of Finance, the State Administration of Taxation, and MIIT announced on Wednesday. Specifically, any NEV purchased between 2014 and 2015 will be exempt from vehicle purchase tax amounting to as much as RMB 30,000 (US$4,170), and the vehicle purchase tax purchase for any NEV bought between 2026 and 2027 will be reduced by half, with a reduction cap of RMB15,000.

The tax break extension is expected to bring a total of tax exemption and reduction amounting to RMB520 billion (US$72.4 billion) from 2024 to 2027, Xu Hongcai, the Vice Minister of Finance, citing the preliminary estimates at a press on Wednesday. Xu said the tax relief was offered to bolster domestic consumption, and the cap of exemption or reduction can avoid too much consumers’ usage of tax relief on luxury cars.

The recent tax break can deemed as the tailwind for NEV sector in the long run as both the extension of tax exemption and the tax reduction have the validity period of two years, suggesting sort of policy stability, commented Cui Dongshu, secretary-general of China Passenger Car Association (CPCA). Cui estimated the annual tax exemption to be a peak of nearly RMB200 billion, which reflects the unexpectedly powerful national support by means of tax incentive.返(fan)回(hui)搜(sou)狐(hu)，查(zha)看(kan)更(geng)多(duo)

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