The utility model relates to an electric push rod. A guide sleeve is provided with a telescopic rod. A rack is provided on the circumferential face of a telescopic rod. A gear is provided with a rack in the guide sleeve. The two ends of the guide sleeve are provided with a sealing sleeve. A perforation is provided on the sealing sleeve, and a plurality of guiding needles are provided on the perforated hole wall, and the needle roller is guided to extend the expansion. In the process of reciprocating movement, the rod moves steadily and reduces the amplitude of the sloshing. The free end of the telescopic rod has a pin structure. The pin structure includes a plurality of positioning holes on the circumferential surface of the end of the telescopic rod, and the positioning pin is provided in the positioning hole, and the end of the positioning pin is connected with the bottom of the positioning hole through a spring. The positioning pin can be stuck in the card hole of the connecting part to facilitate the clamping and positioning of the telescopic rod, and an oil injection hole is provided on the circumferential face of the guide sleeve. The oil injection hole extends into the guide sleeve to contact the surface of the rack. The lubricating oil can be injected into the guide sleeve regularly through the oil injection hole to contact the tooth strip, and the lubrication effect is improved and the lubrication effect is reduced. Noise.
【技术实现步骤摘要】
一种电动推杆
本技术涉及一种电动推杆。
技术介绍
电动推杆,英文名LinearActuator,又称推杆电机、电动缸及线性致动器。电动推杆是一种将电动机的旋转运动转变为推杆的直线往复运动的电力驱动装置。可用于各种简单或复杂的工艺流程中做为执行机械使用,以实现远距离控制、集中控制或自动控制,可广泛运用于电力、机械、冶金、交通、矿山、石油、化工、起重、运输、建筑、粮饲加工等行业,现在的电动推杆在使用时一般存在有噪音以及伸缩杆移动时容易出现晃动的问题,而且一般的电动推杆上的伸缩杆端头不方便与其他配件连接,连接后容易出现松脱。
技术实现思路
本技术的目的是为了解决现有技术存在的缺陷,提供一种电动推杆。为了实现上述目的,本技术采用的技术方案是:一种电动推杆,包括导套,导套内设有伸缩杆,伸缩杆的周面上设有齿条,导套内设有与齿条卡合的齿轮,所述导套的两端设有密封套,密封套上设有穿孔,伸缩杆的端部从穿孔穿出,穿孔的孔壁上设有多个导向滚针,导向滚针的周面与齿条接触;所述伸缩杆的自由端设有卡销结构,卡销结构包括设置在伸缩杆端部周面上的多个定位孔,定位孔内设有定位销,定位销的端部通过弹簧与定位孔的底部连接。上述的一种电动推杆,所述导套的周面上设有注油孔,注油孔延伸到导套内与齿条的表面接触。上述的一种电动推杆,所述齿条朝伸缩杆的长度方向延伸。上述的一种电动推杆,所述齿轮连接电机。上述的一种电动推杆,所述注油孔数量为多个。本技术的有益效果为:该电动推杆的导套的两端设有密封套,密封套上设有穿孔,伸缩杆的端部从穿孔穿出,穿孔的孔壁上设有多个导向滚针,导向滚针的周面与齿条接触,导向滚针保证伸缩杆 ...
【技术保护点】
1.一种电动推杆,包括导套,导套内设有伸缩杆,其特征在于,伸缩杆的周面上设有齿条,导套内设有与齿条卡合的齿轮,所述导套的两端设有密封套,密封套上设有穿孔,伸缩杆的端部从穿孔穿出,穿孔的孔壁上设有多个导向滚针,导向滚针的周面与齿条接触;所述伸缩杆的自由端设有卡销结构,卡销结构包括设置在伸缩杆端部周面上的多个定位孔,定位孔内设有定位销,定位销的端部通过弹簧与定位孔的底部连接。
【技术特征摘要】
1.一种电动推杆,包括导套,导套内设有伸缩杆,其特征在于,伸缩杆的周面上设有齿条,导套内设有与齿条卡合的齿轮,所述导套的两端设有密封套,密封套上设有穿孔,伸缩杆的端部从穿孔穿出,穿孔的孔壁上设有多个导向滚针,导向滚针的周面与齿条接触;所述伸缩杆的自由端设有卡销结构,卡销结构包括设置在伸缩杆端部周面上的多个定位孔,定位孔内设有定位销,定位销的端部通过弹簧...
【专利技术属性】
技术研发人员:李中平,
申请(专利权)人:江苏弘福特机械有限公司,
类型:新型
国别省市:江苏,32
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