Adjusting device for mask ear wires and mask

The invention provides an adjusting device for mask ear wires and a mask and relates to the technical field of masks. According to the scheme, the device comprises a buckle, the buckle is provided with a channel, the channel comprises a first port and a second port, and the inner diameter of the first port is larger than that of the second port. According to the invention, the length of the ear line can be adjusted according to the size of the head of a wearer; the adjustable mask is simple in structure and applicable to all masks, the lengths of the ear wires can be adjusted only by connecting the masks of different models with the adjusting devices of the ear wires, the masks of different models are applicable to all people, and the problem that goods are accumulated due to the fact thatthe masks of different models are suitable for few people is solved. 本发明提出了一种用于口罩耳线的调节装置及口罩。本发明涉及口罩技术领域。本发明的方案：包括卡扣，卡扣设置有通道，通道包括第一端口和第二端口，第一端口的内径大于第二端口的内径。本发明可以通过佩戴者头型的尺寸调节耳线的长短，可适用于所有口罩，不同型号的口罩只需连接耳线的调节装置就可对耳线的长短进行调节，使所有不同型