阅读说明：本技术 一种注油口防滴漏装置和一种注油装置 (Oil filler drip-proof device and oil filling device ) 是由 江伟 刘付永红 于 2019-09-09 设计创作，主要内容包括：本发明涉及一种注油口防滴漏装置,包括注油嘴和通气管,注油嘴一端设有注油口,注油嘴内设有供油液通过的流液通道,流液通道上设有单向导通装置,通气管设于注油嘴内,通气管一端与单向导通装置对应设置,通气管另一端穿出于注油嘴侧壁。单向导通装置具有第一工位和第二工位,单向导通装置位于第一工位时,单向导通装置阻断通气管管路,流液通道导通；单向导通装置位于第二工位时,单向导通装置阻断流液通道,通气管导通。本发明还涉及一种注油装置。通气管能够使注油嘴内外压力相等,注油口内不会形成负压,注油嘴内残留的油液不会聚集在注油口处,从而避免注油口处油液滴落。(The invention relates to an oil filling port drip-proof device which comprises an oil filling nozzle and a vent pipe, wherein an oil filling port is arranged at one end of the oil filling nozzle, a liquid flow channel for oil to pass through is arranged in the oil filling nozzle, a one-way conduction device is arranged on the liquid flow channel, the vent pipe is arranged in the oil filling nozzle, one end of the vent pipe is arranged corresponding to the one-way conduction device, and the other end of the vent pipe penetrates out of the side wall of the oil filling nozzle. The one-way conduction device is provided with a first station and a second station, and when the one-way conduction device is positioned at the first station, the one-way conduction device blocks the pipeline of the vent pipe, and the liquid flow channel is conducted; when the one-way conduction device is positioned at the second station, the one-way conduction device blocks the liquid flowing channel, and the vent pipe is conducted. The invention also relates to an oiling device. The breather pipe can make the interior external pressure of glib talker equal, can not form the negative pressure in the glib talker, and remaining fluid can not gather in glib talker department to avoid the fluid drippage of glib mouthful department.)

1. The utility model provides an oiling mouth antidrip device which characterized in that: the oil filling device comprises an oil filling nozzle and a vent pipe, wherein an oil filling opening is formed in one end of the oil filling nozzle, a liquid flowing channel through which oil passes is formed in the oil filling nozzle, a one-way conduction device is arranged on the liquid flowing channel, the vent pipe is arranged in the oil filling nozzle, one end of the vent pipe is arranged corresponding to the one-way conduction device, the other end of the vent pipe penetrates through the side wall of the oil filling nozzle, the outer side wall of the vent pipe is fixedly connected to the side wall of the oil filling nozzle, the one-way conduction device is provided with a first station and a second station, when the one; when the one-way conduction device is positioned at the second station, the one-way conduction device blocks the liquid flowing channel, and the vent pipe is conducted.

2. An oil filler drip stop according to claim 1, further comprising: the oiling mouth inside wall is equipped with cyclic annular protrudingly, and the one-way device that switches on includes steel ball and spring, and the steel ball is located between cyclic annular protrudingly and the oiling mouth and the butt in cyclic annular protrudingly center, and the breather pipe is located between steel ball and the oiling mouth, and breather pipe one end corresponds the setting with the steel ball, and the spring cup joints on the breather pipe, and spring one end butt is in the steel ball, and spring other end butt is in the breather pipe.

3. An oil filler drip stop according to claim 1, further comprising: the oil filler point inside wall is equipped with cyclic annular protrudingly, and the one-way device that switches on includes steel ball and spring, and the steel ball is located between cyclic annular protrudingly and the oil filler point and the butt in cyclic annular protrudingly center, and the breather pipe is located between steel ball and the oil filler point, and breather pipe one end corresponds the setting with the steel ball, and the cyclic annular protrudingly center is worn to locate by the spring, and spring one end rigid coupling in steel ball, the oil filler point direction is kept away from to the spring.

4. An oil filler drip stop according to claim 2, further comprising: the cross section of the annular protrusion is gradually increased from one end of the oil filling nozzle to the other end of the oil filling nozzle.

5. An oil filler drip stop according to claim 4, further comprising: the annular protrusion is a tapered tube.

6. an oil filler drip stop according to claim 2, further comprising: one end of the oil injection nozzle is provided with a screen, and the screen is arranged corresponding to the oil injection port.

7. An oil filler drip stop according to claim 6, further comprising: the breather pipe includes straight tube and return bend, and the straight tube is parallel with the flowing liquid passageway, and straight tube one end corresponds the setting with the steel ball, and the butt joint of the straight tube other end and return bend one end, return bend other end perpendicular to oiling mouth lateral wall, the return bend other end are worn out the oiling mouth lateral wall, and the other end butt of spring is in return bend other end lateral wall.

8. an oil filler drip stop according to claim 7, further comprising: the outer side wall of the other end of the bent pipe is abutted against the screen.

9. The utility model provides an oiling device which characterized in that: the oil filling port anti-dripping device comprises an oil tank, an oil pump, an oil pipeline, a driving device and the oil filling port anti-dripping device according to any one of claims 1 to 8, wherein the input end of the oil pump is connected with the oil tank, the output end of the oil pump is connected with one end of the oil pipeline, the other end of the oil pipeline is connected with the oil filling port anti-dripping device, and the driving device drives the oil filling port anti-dripping device to act.