塑料件(卡扣等)设计标准模块自创_推荐新人学习（PPT34页)

1塑料件设计标准模块2目录1.柱位结构······································································3优缺点及使用范围······················································42.螺钉沉孔·······································································5优缺点及使用范围·······················································63.带罩盖的螺钉沉孔····························································7罩盖········································································8优缺点及使用范围·······················································94.金属卡口支撑台（单边卡位）··············································10双边卡位··································································11金属卡口··································································12优缺点及使用范围·······················································135.椅背板钢丝卡·································································14优缺点及使用范围·······················································156.钢丝卡··········································································16优缺点及使用范围·······················································177.平板卡口连接··································································18结构分析··································································19优缺点及使用范围·······················································208.卡口连接与翻边·······························································21结构分析··································································22优缺点及使用范围·······················································239.插片式卡口连接·······························································24结构分析·································································25优缺点及使用范围······················································2610.圣诞树支撑···································································27优缺点及使用范围·····················································28圣诞树例样······························································2911.塑料支脚·····································································33优缺点及使用范围······················································343柱位的设计方式-自攻螺钉自攻螺钉规格（国标）螺钉柱内径ø（mm）nd螺钉柱外径（mm）wdST2.21.75ST2.92.36ST3.52.87ST4.23.47.5ST4.83.88ST5.54.49自攻螺钉的标准尺寸表内值为参考值，一般柱位内径较nd大0.3~0.4mm，柱位壁厚在1.25mm左右，以防止产品表面缩凹。柱位高一般在5～10mm。4柱位结构的优缺点及适用范围•用途：将零部件（开关盒，铰链等）固定到塑料件上。•优点：结构简单，固定牢固。•缺点：产品表面容易缩凹，装配工序较烦。•适用产品：旁侧板等需要固定零部件的塑料件。5DB_PART_NOOS_PART_NAMEstdKdkI1ST2.22.21.646.52ST2.92.92.45.69.53ST3.53.52.679.54ST4.24.23.189.55ST4.84.83.79.5136ST5.55.541113螺钉沉孔自攻螺钉的标准尺寸std为螺钉螺纹处直径；K为螺钉头部厚度；dk为螺钉头部直径；l为螺钉螺纹处长度；t为产品壁厚；Δ根据公差要求进行设定。6螺钉沉孔的优缺点及适用范围•用途：用螺丝固定塑料件。•优点：装配简单,可拆卸,定位性好。•缺点：装配位可见，容易粘定模导致产品拉坏。•适用产品：适用于大部分塑料件的非可见区，如设在可见区，必须得到客户同意。粘定模对策7带罩盖的螺钉沉孔H1.5D,定模侧壁脱模斜度大于5度。此标准件为装配件，装配后盖子与本体要求无间隙、晃动、断差，且纹理一致。8罩盖9带罩盖的螺钉沉孔的优缺点及适用范围•用途：用螺丝固定塑料件,并遮盖孔位。•优点：装配简单,可拆卸,定位性好，看不到螺钉。•缺点：容易粘定模导致产品拉坏，多一道装配工序，表面有缝隙。•适用产品：适用于大部分塑料件一般要求外观面，使用时必须得到客户同意。10金属卡扣支撑台（单边卡位）h=H-6.5(当H=20时)；h=0(当20H=30时);h=13.8(当30H时)。11金属卡扣支撑台（双边卡位）单边卡位受法向力时金属卡扣可能歪斜。双边卡位受法向力时金属卡扣可能会拉断塑料件。12金属卡扣可拆卸式卡扣不可拆卸式卡扣13金属卡扣支撑台的优缺点及使用范围•用途：装配CLIP后使塑料件固定在金属板上。•优点：装配简单，可承受法向拉力及压力，高度调节范围大。•缺点：装配后有一定晃动量，对切向受力抵抗弱。•适用产品：旁侧板、前挡板等塑料件，位置较自由。14椅背板钢丝卡扣详细请参照图纸其他规格钢丝可参照此形状适当更改。H值一般在20mm左右。15椅背板钢丝卡扣的优缺点及适用范围•用途：用钢丝固定塑料件。•优点：装配简单,可拆卸,位置可适当调节。•缺点：定位差，需靠其他定位机构辅助。•适用产品：椅背板上端，一般于左右上角设2处。16钢丝卡扣其他规格钢丝可参照此形状适当更改，开口尺寸在钢丝直径的60％左右。17钢丝卡扣的优缺点及适用范围•用途：用钢丝固定塑料件。•优点：装配简单,可拆卸,模具上易实现。•缺点：高度有限制,受力有脱落可能。•适用产品：旁侧板、前挡板等塑料件，卡扣周围50mm左右范围内无发泡或面套挤压。18平板卡扣连接19平板卡扣连接－－结构分析20平板卡扣连接的优缺点及适用范围•用途：平板件与其他塑料件利用卡扣连接。•优点：装配简单且牢固，适用性强。•缺点：需要其他结构支撑板件。•适用产品：适用于板件与一般塑料件的连接等，板件一般不属于重要外观件。21卡扣连接与翻边22卡扣连接与翻边－－结构分析23卡扣连接与翻边的优缺点及适用范围•用途：塑料件之间的相互固定。•优点：装配简单且牢固，适用性强，对内部结构起到遮蔽作用。•缺点：受法向拉力有限，翻边易损。•适用产品：适用于各种塑料件的相互固定，例如外侧饰板与内侧饰板的连接、扶手盒的结合等。24插片式卡扣连接25插片式卡扣连接－－结构分析26卡扣连接与翻边的优缺点及适用范围•用途：塑料件之间的相互固定。•优点：结构简单,装配容易，空间占用小。•缺点：受力易脱落，需和其他卡扣配合使用。•适用产品：例如外侧饰板与内侧饰板的连接等。27圣诞树支撑台圣诞树28圣诞树支撑台的优缺点及适用范围•用途：利用圣诞树来防止外表面浮起(提供法向拉力)。•优点：装配简单,可拆卸,模具上易实现。•缺点：安装后高度不稳定,对切向受力抵抗弱。•适用产品：旁侧板、椅背板等塑料件。29零件号零件名称D1D2L1L2ApplicationForcerequirement1442633W-CLIP-PLASTICW型塑料卡子51814.32Hole:Φ9.0±0.12Thickness:2.75mmInsert≤80NExtraction≥334N圣诞树例样30零件号零件名称D1D2D3L1L2L3L4L5ApplicationForcerequirement1325904CB－07000－00CLIP塑料夹子154.66.819.31.310.816.6Hole:Φ7.0+0.1Thickness:1.5-3mmInsert≤150NExtraction≥200N31零件号零件名称D1D2D3d1d2d3L1L2L3ApplicationForcerequirement1116415A-StyleXmasTreeClipA型塑料钉3229.24863.12.81.72.75Hole:Φ7.0-7.25Thickness:2.75±0.15mmInsert≤8LBF60LBF≥Extraction≥40LBF1130072B-StyleXmasTreeClipB型塑料钉23.8184.68.756.6521.42.3Hole:Φ7.0Thickness:2.3±0.30mmInsert≤40NExtraction≥40N1399033D-StyleXmasTreeClipD型塑料钉23.818486421.72.75Hole:Φ7.0-7.5Thickness:2.75±0.10mmInsert≤40NExtraction≥200N32零件号零件名称D1L1L2L3L4L5L6ApplicationForcerequirement1363099固定钉Retainer-HDLNGT-PNL6.7402.529.524826.3Hole:Φ7.13±0.13Thickness:2.3-6.8mmInsert25lbfExtraction25lbf1391312固定器/Fx.132471903Retainer-HDLNGT/PNLHole:Φ7.1±0.1Thickness:3.4-19.4mmInsert≤8lbfExtraction40-60lbf33塑料支脚90～150度34塑料支脚的优缺点及适用范围•用途：用螺丝固定塑料板类下端。•优点：装配简单,可拆卸,模具上易实现。•缺点：装配位可见，形状变更处易出现缩印。•适用产品：椅背板、前挡板等塑料件。