The utility model discloses a directly connected transmission type refrigerator air door, which comprises a gearbox, a DC stepping motor, a cover plate and a printed circuit board. The printed circuit board is provided with a wiring hole and a plug-in area, and a conductive belt is arranged on the plug-in area. The conductive belt and the wiring hole are connected by copper foil coated on the printed circuit board. The printed circuit board is arranged in the gearbox, and the DC stepping electricity is generated The wire of the machine is connected with the wiring hole, the cover plate is provided with a strip jack, and the plug-in area passes through the gearbox from the strip Jack and is directly connected with the external power supply. The plug-in area is sleeved with a sealing ring to block the gap between the printed circuit board and the strip Jack. The utility model is provided with a printed circuit board in the gearbox to realize the electric connection of the external power supply and the internal motor of the gearbox. The printed circuit board part is located outside the gearbox and can be directly connected with the external power supply, without the need for power wire or connector to wear from the gearbox, reducing the cost and manufacturing difficulty, and the sealing effect of the printed circuit board and the gearbox improves the reliability of the product.
【技术实现步骤摘要】
一种直连输电型冰箱风门
本技术涉及一种冰箱用电动风门。
技术介绍
传统的冰箱用电动风门,包括齿轮箱、直流步进电机、齿轮减速系统、门板等组成。直流步进电机根据脉冲信号往复旋转,通过齿轮减速系统带动门板来回动作,实现开门和关门的功能。电源在齿轮箱外依靠线束或连接器穿设于齿轮箱连入,与直流步进电机连接进行供电,由于连接器的表面通常带有卡槽等固定部位,结构不平整,和线束一样,在齿轮箱的穿设处难以做到密封,导致冰箱内水汽易进入齿轮箱,降低了风门产品的可靠性。同时,连接器成本较高,尤其当需要从国外进口时,更是造成了生产周期延长和成本的增加。
技术实现思路
技术目的:针对上述问题,本技术的目的是提供一种无需线束或连接器连入齿轮箱输电的冰箱风门。技术方案:一种直连输电型冰箱风门,包括齿轮箱、直流步进电机、盖板,还包括印制电路板,所述印制电路板上开设有接线孔,所述印制电路板上设有接插区,所述接插区上设置有导电带,所述导电带与所述接线孔之间通过涂覆在所述印制电路板上的铜箔连通,所述印制电路板设置在所述齿轮箱内,所述直流步进电机的导线与所述接线孔连接,所述盖板上开设有条形插孔,所述接插区从所述条形插孔穿出所述齿轮箱与外部电源直连,所述接插区上套设有密封圈以封堵所述印制电路板与所述条形插孔之间的间隙。进一步的,所述齿轮箱内设置有卡槽,所述印制电路板插入所述卡槽中固定,通过卡槽便于对板状的印制电路板安装固定。进一步的,所述卡槽的上表面内侧设置有与所述密封圈匹配的沉槽,所述密封圈部分落在所述沉槽中定位,便 ...
【技术保护点】
1.一种直连输电型冰箱风门,包括齿轮箱(1)、直流步进电机(2)、盖板(3),其特征在于:还包括印制电路板(4),所述印制电路板(4)上开设有接线孔(41),所述印制电路板(4)上设有接插区(42),所述接插区(42)上设置有导电带(43),所述导电带(43)与所述接线孔(41)之间通过涂覆在所述印制电路板(4)上的铜箔(44)连通,所述印制电路板(4)设置在所述齿轮箱(1)内,所述直流步进电机(2)的导线(21)与所述接线孔(41)连接,所述盖板(3)上开设有条形插孔(31),所述接插区(42)从所述条形插孔(31)穿出所述齿轮箱(1)与外部电源直连,所述接插区(42)上套设有密封圈(5)以封堵所述印制电路板(4)与所述条形插孔(31)之间的间隙。/n
【技术特征摘要】
1.一种直连输电型冰箱风门,包括齿轮箱(1)、直流步进电机(2)、盖板(3),其特征在于:还包括印制电路板(4),所述印制电路板(4)上开设有接线孔(41),所述印制电路板(4)上设有接插区(42),所述接插区(42)上设置有导电带(43),所述导电带(43)与所述接线孔(41)之间通过涂覆在所述印制电路板(4)上的铜箔(44)连通,所述印制电路板(4)设置在所述齿轮箱(1)内,所述直流步进电机(2)的导线(21)与所述接线孔(41)连接,所述盖板(3)上开设有条形插孔(31),所述接插区(42)从所述条形插孔(31)穿出所述齿轮箱(1)与外部电源直连,所述接插区(42)上套设有密封圈(5)以封堵所述印制电路板(4)与所述条形插孔(31)之间的间隙。
2.根据权利要求1所述的一种直连输电型冰箱风门,其特征在于:所述齿轮箱(1)内设置有卡槽(6),所述印制电路板(...
【专利技术属性】
技术研发人员:张炎,张炳圣,朱定华,
申请(专利权)人:江苏凯德电控科技有限公司,
类型:新型
国别省市:江苏;32
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