CN108328065A - 收折式拉杆收纳箱的弹性自锁卡紧机构 - Google Patents

收折式拉杆收纳箱的弹性自锁卡紧机构 Download PDF

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CN108328065A
CN108328065A CN201810079453.6A CN201810079453A CN108328065A CN 108328065 A CN108328065 A CN 108328065A CN 201810079453 A CN201810079453 A CN 201810079453A CN 108328065 A CN108328065 A CN 108328065A
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肖付彬
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Abstract

收折式拉杆收纳箱的弹性自锁卡紧机构，包括前箱板、后箱板、两侧箱板和底板，前箱板下制底脚，后箱板中制拉杆孔中设拉杆，后箱板下设脚轮，两侧箱板分为前、后侧板，其特征在于：所述后箱板的两侧制有凹槽，凹槽中制有上下两个插孔，插孔连接弹性自锁卡扣，所述的弹性自锁卡扣包括塑料材料制成的卡扣板，卡扣板的上下两侧制有凸片，凸片上制有转轴，转轴与插孔插接配合，在卡扣板的前侧内壁制有倒钩，卡扣板的后侧制有圆弧板，圆弧板后侧制有弹片，弹片与圆弧板之间制有间隙槽，弹片与后箱板的后侧壁面相接触，在前箱板上制有凸筋，凸筋与倒钩相配合。

Description

收折式拉杆收纳箱的弹性自锁卡紧机构
技术领域
本发明涉及收折式拉杆收纳箱，特别是涉及收折式拉杆收纳箱的弹性自锁卡紧机构。
背景技术
收纳箱用于方便人们收纳和整理物件，传统的收纳箱一般是整体式，不能折叠，所以体积大，在仓储、运输时，占用空间大，提高仓储、运输成本，因此人们发明了收折式的收纳箱，而收纳箱在收折后，其前箱板和后箱板之间需要通过卡扣进行卡紧，防止其自动打开，便于携带，已有收折式收纳箱通常包括卡扣板，卡扣板的前侧内壁制有倒钩，卡扣板的上下两侧制有转轴，转轴外设有扭簧，卡扣板通过转轴插到后箱板的插孔中，在前箱板制有凸筋，通过扭簧的弹力使卡扣板的倒钩与前箱板的凸筋卡紧配合，防止其自动打开，该结构采用扭簧和卡扣板两个部件，结构复杂，装配麻烦，制造成本高，且扭簧长期使用后弹力变弱，导致卡扣板卡紧不可靠，使用寿命短。
发明内容
本发明的目的是为了克服已有技术存在的缺点，提供一种在卡扣板上制有一体的弹片，使卡扣板自身具有弹力，能在收纳箱收折后自锁卡紧，结构简单，制造、装配方便，降低制造成本，使用寿命长的收折式拉杆收纳箱的弹性自锁卡紧机构。
本发明收折式拉杆收纳箱的弹性自锁卡紧机构的技术方案是：包括前箱板、后箱板、两侧箱板和底板，在前箱板下制有底脚，后箱板中制有拉杆孔，拉杆孔中设置拉杆，后箱板下设置脚轮，所述两侧箱板分为前侧板和后侧板，前侧板的前侧与前箱板经销子旋转连接，前侧板的后侧与后侧板经销子旋转连接，后侧板的后侧与后箱板经销子旋转连接，所述底脚与前箱板经销子旋转连接，其特征在于：所述后箱板的两侧制有凹槽，凹槽中制有上下两个插孔，插孔连接弹性自锁卡扣，所述的弹性自锁卡扣包括塑料材料制成的卡扣板，卡扣板的上下两侧制有凸片，凸片上制有转轴，转轴与插孔插接配合，在卡扣板的前侧内壁制有倒钩，卡扣板的后侧制有圆弧板，圆弧板后侧制有弹片，弹片与圆弧板之间制有间隙槽，弹片与后箱板的后侧壁面相接触，在前箱板上制有凸筋，凸筋与倒钩相配合。
本发明公开了一种收折式拉杆收纳箱的弹性自锁卡紧机构，主要特征是在卡扣板的后侧制有圆弧板，圆弧板的后侧制有弹片，弹片与圆弧板之间制有间隙槽，使弹片能够独立的凸出于圆弧板，装配时，将弹性自锁卡扣经上下转轴与后箱板的插孔插接配合，卡扣板与后箱板的侧壁面接触，弹片与后箱板的后壁面相接触，当将收纳箱进行收折时，底板经销子向上旋转贴在前箱板内壁，前侧板和后侧板经销子向内对折，然后将前箱板和后箱板相互贴合在一起，此时人们可用手将卡扣板稍微向外扳动，使凸筋能够卡入倒钩内，而弹性自锁卡扣后侧的弹片则与后箱板的后侧壁面接触，产生轻微的弹性变形，当人们松开手后，弹片在回复力的作用下带动卡扣板旋转复位，使倒钩能卡住凸筋，从而对前、后箱板起到限位作用，防止前、后箱板自动打开；而当要将收纳箱展开时，只要用手稍用力将卡扣板向外扳动，使倒钩脱出凸筋，便能将前、后箱板伸展开。本方案收折式拉杆收纳箱的弹性自锁卡紧机构，通过将弹片、圆弧板和卡扣板一体制造成型，利用弹片的弹力，使卡扣板能够自动复位，结构简单，制造方便，降低生产成本，保证使用寿命，收纳箱收折后卡紧可靠。
本发明收折式拉杆收纳箱的弹性自锁卡紧机构，所述的弹片为1—4片。所述圆弧板的内壁制有加强片。有了加强片，提高圆弧板内壁的结构强度。所述卡扣板的前侧制有倾斜向外的斜片，斜片与卡扣板、倒钩之间形成手指槽。有了手指槽，更有利于手指可伸入手指槽中打开卡扣板。
附图说明
图1是收折式拉杆收纳箱的弹性自锁卡紧机构的展开状态立体示意图；
图2是前箱板和后箱板的收折状态立体示意图；
图3是前箱板和后箱板的收折状态结构示意图；
图4是后箱板的立体示意图；
图5是图3的A处局部放大示意图；
图6是弹性自锁卡扣的立体示意图；
图7是弹性自锁卡扣的圆弧板内壁制有加强片的立体示意图。
具体实施方式
本发明涉及一种收折式拉杆收纳箱的弹性自锁卡紧机构，如图1—图7所示，包括前箱板1、后箱板2、两侧箱板和底板，在前箱板1下制有底脚4，后箱板中制有拉杆孔5，拉杆孔中设置拉杆，后箱板下设置脚轮，所述两侧箱板分为前侧板7和后侧板8，前侧板的前侧与前箱板经销子旋转连接，前侧板的后侧与后侧板经销子旋转连接，后侧板的后侧与后箱板2经销子旋转连接，所述底脚3与前箱板1经销子旋转连接，其特征在于：所述后箱板2的两侧制有凹槽9，凹槽中制有上下两个插孔10，插孔连接弹性自锁卡扣11，所述的弹性自锁卡扣包括塑料材料制成的卡扣板12，卡扣板的上下两侧制有凸片13，凸片上制有转轴14，转轴与插孔10插接配合，在卡扣板的前侧内壁制有倒钩15，卡扣板的后侧制有圆弧板16，圆弧板后侧制有弹片17，弹片与圆弧板之间制有间隙槽22，弹片与后箱板2的后侧壁面相接触，在前箱板1上制有凸筋18，凸筋与倒钩15相配合。主要特征是在卡扣板12的后侧制有圆弧板16，圆弧板的后侧制有弹片17，弹片与圆弧板之间制有间隙槽22，使弹片17能够独立的凸出于圆弧板16，装配时，将弹性自锁卡扣11经上下转轴14与后箱板2的插孔10插接配合，卡扣板12与后箱板2的侧壁面接触，弹片17与后箱板的后壁面相接触，当将收纳箱进行收折时，底板经销子向上旋转贴在前箱板1内壁，前侧板7和后侧板8经销子向内对折，然后将前箱板1和后箱板2相互贴合在一起，此时人们可用手将卡扣板12稍微向外扳动，使凸筋18能够卡入倒钩15内，而弹性自锁卡扣11后侧的弹片17则与后箱板2的后侧壁面接触，产生轻微的弹性变形，当人们松开手后，弹片在回复力的作用下带动卡扣板12旋转复位，使倒钩15能卡住凸筋18，从而对前、后箱板1、2起到限位作用，防止前、后箱板自动打开；而当要将收纳箱展开时，只要用手稍用力将卡扣板12向外扳动，使倒钩15脱出凸筋18，便能将前、后箱板伸展开。本方案收折式拉杆收纳箱的弹性自锁卡紧机构，通过将弹片17、圆弧板16和卡扣板12一体制造成型，利用弹片的弹力，使卡扣板能够自动复位，结构简单，制造方便，降低生产成本，保证使用寿命，收纳箱收折后卡紧可靠。所述的弹片17为1—4片。所述圆弧板16的内壁制有加强片19。有了加强片19，提高圆弧板16内壁的结构强度。所述卡扣板12的前侧制有倾斜向外的斜片20，斜片与卡扣板12、倒钩15之间形成手指槽21。有了手指槽21，更有利于手指可伸入手指槽21中打开卡扣板12。

Claims (4)

1.收折式拉杆收纳箱的弹性自锁卡紧机构，包括前箱板（1）、后箱板（2）、两侧箱板和底板，在前箱板（1）下制有底脚（4），后箱板中制有拉杆孔（5），拉杆孔中设置拉杆，后箱板下设置脚轮，所述两侧箱板分为前侧板（7）和后侧板（8），前侧板的前侧与前箱板经销子旋转连接，前侧板的后侧与后侧板经销子旋转连接，后侧板的后侧与后箱板（2）经销子旋转连接，所述底脚（3）与前箱板（1）经销子旋转连接，其特征在于：所述后箱板（2）的两侧制有凹槽（9），凹槽中制有上下两个插孔（10），插孔连接弹性自锁卡扣（11），所述的弹性自锁卡扣包括塑料材料制成的卡扣板（12），卡扣板的上下两侧制有凸片（13），凸片上制有转轴（14），转轴与插孔（10）插接配合，在卡扣板的前侧内壁制有倒钩（15），卡扣板的后侧制有圆弧板（16），圆弧板后侧制有弹片（17），弹片与圆弧板之间制有间隙槽（22），弹片与后箱板（2）的后侧壁面相接触，在前箱板（1）上制有凸筋（18），凸筋与倒钩（15）相配合。
2.如权利要求1所述的收折式拉杆收纳箱的弹性自锁卡紧机构，其特征在于：所述的弹片（17）为1—4片。
3.如权利要求1所述的收折式拉杆收纳箱的弹性自锁卡紧机构，其特征在于：所述圆弧板（16）的内壁制有加强片（19）。
4.如权利要求1所述的收折式拉杆收纳箱的弹性自锁卡紧机构，其特征在于：所述卡扣板（12）的前侧制有倾斜向外的斜片（20），斜片与卡扣板（12）、倒钩（15）之间形成手指槽（21）。
CN201810079453.6A 2018-01-26 2018-01-26 收折式拉杆收纳箱的弹性自锁卡紧机构 Withdrawn CN108328065A (zh)

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CN110693366A (zh) * 2019-09-30 2020-01-17 安徽信息工程学院 一种便携式沐浴盒及其使用方法
CN111862833A (zh) * 2019-04-28 2020-10-30 深圳市领灿科技有限公司 显示屏及显示结构

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CN204586959U (zh) * 2015-05-11 2015-08-26 管世昌 可折叠购物车
CN206813544U (zh) * 2017-05-16 2017-12-29 肖付彬 折叠式收纳箱

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US20060186003A1 (en) * 2005-02-22 2006-08-24 Credo Technology Corporation Latch for tool accessory case
CN204586959U (zh) * 2015-05-11 2015-08-26 管世昌 可折叠购物车
CN206813544U (zh) * 2017-05-16 2017-12-29 肖付彬 折叠式收纳箱

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111862833A (zh) * 2019-04-28 2020-10-30 深圳市领灿科技有限公司 显示屏及显示结构
CN110693366A (zh) * 2019-09-30 2020-01-17 安徽信息工程学院 一种便携式沐浴盒及其使用方法

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