Rotary inflating and deflating pump
AssigneeBoluo Futian Fumao plastic hardware products Co., Ltd.
InventorQihao Wang
Life of this patent
Estimating the term…
Abstract
A rotary inflating and deflating pump includes a housing and a pump core, the housing is provided with a chamber therein, the inner bottom wall of the chamber is provided with a housing hole; the pump core includes a pump shell and a driving member; the pump shell is detachably installed into the pump shell; a pump chamber is provided inside the pump shell, and an inlet hole and an outlet hole are provided on one end of the pump shell near the housing hole and respectively communicated with the pump chamber; the driving member is provided inside the pump chamber and used to drive gas to enter the pump chamber from the inlet hole and then flow out from the outlet hole; by rotating the pump core clockwise or counterclockwise, the pump can be changed to inflate or deflate, which is more convenient to use.
Claims8
A rotary inflating and deflating pump, comprising:
- a pump core, comprising a pump shell and a driving member;
- said pump shell is detachably installed into a housing chamber;
- a pump chamber is provided inside said pump shell, and an inlet hole and an outlet hole are provided on one end of said pump shell near a housing hole and respectively communicated with said pump chamber;
- said driving member is provided inside said pump chamber and used to drive air to enter the pump chamber from said inlet hole and then flow out from said outlet hole;
- when said pump core rotates clockwise in said housing chamber under an external force, one of said inlet hole and said outlet hole is communicated to said housing hole;
- when said pump core rotates counterclockwise in said housing chamber under said external force, the other of said inlet hole and said outlet hole is communicated to said housing hole;
- when one of said inlet hole and said outlet hole is communicated to said housing hole, the other of said inlet hole and said outlet hole is communicated to said housing chamber;
- wherein an outer wall of said pump shell is provided with clamping protrusions, an inner side wall of said housing chamber is provided with sliding grooves, and said clamping protrusions are accommodated in said sliding grooves in a sliding manner;
- and
- a middle portion of said sliding groove is distributed in an oblique direction towards two ends of said sliding groove along a direction close to said housing hole.
Dependencies are inferred from the claim text.