Patent ID: 6105601
Filing Date: 2000-08-22
Classification: B60S,F04B,F16K,Y10T

Abstract:
A connection head of an inflation device, said connection head comprising:a housing with a receiving compartment, said receiving compartment being provided with an open end, and at other end thereof with a holding port in communication with atmospheric air, said receiving compartment being further provided in a peripheral wall thereof with an air inlet;an elastic block disposed in said receiving compartment such that said elastic block is corresponding in location to one end of said holding port whereby said elastic block has a large diametrical hole corresponding in location to said holding port, and a small diametrical hole extending through said elastic block from underside of said large diametrical hole;a displacement member disposed in said receiving compartment such that said displacement member displaces along a longitudinal direction of said receiving compartment, and that an inner end of said displacement member remains in contact with said elastic block, and further that an outer end of said displacement member is located at said open end of said receiving compartment, said displacement member having a through hole and at least one air guide hole, with said through hole being split with said small diametric hole of said elastic block, with said air guide hole extending from a periphery of said displacement member to communicate with said through hole;a gear pivoted to the outer end of said displacement member;a slide member having a press body which is located in said through hole of said displacement member such that said press body displaces along a longitudinal direction of said through hole, said press body provided with a pliable strip extending outward from one end thereof and corresponding in location to the outer end of said displacement member, said pliable strip provided in the proximity of a tail end thereof with a rack engageable with said gear;an elastic member having one end urging said housing, said elastic member further having other end which urges said slide member in the direction toward said holding port; anda handle pivoted by a pivot to said housing such that said handle is corresponding in location to said open end of said receiving compartment, said handle having a first press portion and a second press portion such that the distance between said first press portion and said pivot is smaller than the distance between said second press portion and said pivot, said hand capable of swiveling between a standby position and an operation position such that said first press portion presses against the outer end of said displacement member at such time when said handle is located at said standby position, and that said second press portion presses against the outer end of said displacement member at such time when said handle is located at said operation position, said handle having an arcuate rack which is engaged with said gear whereby said gear is driven to turn at the time when said handle swivels.