| 摘要 |
The present invention relates to a liquid pump device, comprising a pump shell body, a soft rubber pressing device, a discharge channel, a sealed discharge port end cap, and a guiding tube, wherein the pump shell body comprises an upper shell and a lower shell, wherein the lower shell is provided with an arc surface with an upward opening, the upper shell and the lower shell are connected to form a cavity and the discharge channel communicated with the cavity, and a flange is arranged at the lower end of the arc surface of the lower shell, a through hole being arranged at the middle of the flange; the soft rubber pressing device is snap-fit connected onto the upper shell and covers the cavity, and the soft rubber pressing device forms a cavity with the lower shell; the sealed discharge end cap is provided with at least one cut, the cut forming an invisible discharge port, and the sealed discharge cap is sleeved to an end portion of the discharge channel; and the guiding tube is arranged in the through hole of the flange, and is communicated with the cavity via the feeding channel. The invisible discharge port according to the present invention effectively prevents liquid from contamination caused by ambient environment. |
