| 摘要 |
PROBLEM TO BE SOLVED: To provide a liquid pump device with a simple structure, which is low cost, and environmentally friendly when being disposed of.SOLUTION: The liquid pump device comprises: a pump housing 10; a soft rubber pressing body 20; a sealing outlet body 30; and a guide pipe 40. The pump housing includes an upper housing 11 and a lower housing 12. A recess 12a is formed in the lower housing, and in communication with a supply passage 16. By combining the upper housing and the lower housing, a space is formed. A discharge passage 15 is formed in the space, and in communication with the recess. The soft rubber pressing body includes an arc-shaped pressing part 20a and an integral elastic valve body 20c. The soft rubber pressing body is placed on the upper housing to cover the recess and temporarily store liquid, which forms a cavity 21. The sealing outlet body is disposed at an end of a nozzle portion of the pump housing, which forms a covering outlet 31. The covering outlet is in communication with the discharge passage. The guide pipe makes a sealing engagement with the pump hosing and is in communication with the recess through the supply passage. |
