A quick delivery air pump for faster pumping includes a pump body. The pump body is cylindrical and has a top side having a shaft aperture and a bottom side having a valve aperture. A plunger shaft is coupled within the shaft aperture. The plunger shaft has a handle end outside the pump body and a disc end within the pump body. A disc is coupled to the disc end of the plunger shaft and has an outer perimeter proximal the pump body. A seal ring is coupled around the outer perimeter and contacts the pump body. A hose fitting is coupled within the valve aperture. A valve is coupled within the hose fitting to restrict airflow to move only from the pump body through the hose fitting. An air hose is coupled to the hose fitting and is configured to attach to a tire valve.

A floor pump comprises a support base, an outer rigid tube rising from the support base and delimiting a first air chamber, an inner rigid tube or shaft having a piston at one end and a handle at the other end, which piston is slidingly mounted within the first air chamber so as to compress air therewithin. The floor pump may further include a flexible hose.

A low-profile, lightweight, portable, frame-mountable, single-acting reciprocating, positive-displacement foot pump for bikes, configured for stowing in a docking frame mountable on standard water bottle cage bosses. The squat type design has a large displacement volume and a replaceable air filter disposed under the pump cap in the intake air paths to keep operating components clean and dust free.

The invention is directed to a device for inflating a tire that includes a housing with at least one first connection port and at least one second connection port. The second connection port includes connecting means to interconnect the device with a pressure tank. The first connection port is fluidically connected to the second connection port by means of a fluid passage. Furthermore the device comprises a first valve. When a pressure tank is connected to the second connection port and when the first valve is in a closed state, the first valve is suited to prevent air from flowing from inside of the pressure tank out of the first connection port. When the first valve is in an open state, it is suited to allow passage of air from inside of the pressure tank through the fluid passage to the first connection port. The device further includes a second valve that is connectable to an inflator for pressurizing the tank.

A hand pump includes a receptacle extended upwardly from a base, a piston slidably engaged in the receptacle for generating a pressurized air, a check valve engaged between the receptacle and a tubular member for limiting the flow of the pressurized air, a control valve device includes a barrel connected to the tubular member and connected to a pressure gauge which displays a pressure in the barrel, the barrel includes an outlet port coupled to a hose, an air storage tank includes a mouth connected to the barrel for allowing the pressurized air to flow between the barrel and the air storage tank, and a valve member is engaged in the barrel and includes a pathway for either aligning with or offsetting from the outlet port of the barrel.

A variable pressure air pump includes a first cylinder and a second cylinder movable relative to the first cylinder along a longitudinal axis. An air tube is mounted in the first and second cylinders. A mounting portion is integrally formed on a first end of the air tube. A first piston and a second piston compress air in the first and second cylinders. A connecting device is mounted to the first cylinder for coupling with an object to be inflated. An air escape device selectively seals a second chamber of the second cylinder to selectively compress the air in the second cylinder. A first check valve is mounted to the mounting portion of the air tube. A second check valve is mounted to the second piston.

A hand pump includes a receptacle extended upwardly from a base, a piston slidably engaged in the receptacle for generating a pressurized air, a check valve engaged between the receptacle and a tubular member for limiting the flow of the pressurized air, a cover attached to the receptacle and having an arm, a manifold having an inlet port connected to the tubular member for receiving the pressurized air from the tubular member, the manifold includes a stud engaged through the hole of the arm, a pressure gauge is connected to the manifold for displaying a pressure in the manifold, and a hose is coupled to the stud of the manifold for receiving the pressurized air from the manifold, and a nozzle is attached to the hose.

In a general aspect, a pressure regulating device helps achieve a correct inflation pressure of an inflatable object. In some aspects, an inflation device includes an inlet, and outlet, and a vent port. The inflation device also includes one or more interior surfaces that define a gas-delivery pathway fluidly-coupling the inlet and the outlet. A flow restriction is disposed along the gas-delivery pathway between the inlet and the outlet. Moreover, an opening is disposed along the gas-delivery pathway adjacent the flow restriction and downstream thereof. The inflation device also includes a gas-exhaust pathway fluidly-coupling the opening and the vent port. A first chamber of the gas-exhaust pathway is in fluid communication with the opening, and a second chamber of the gas-exhaust pathway is in fluid communication with the vent port. A pressure-relief valve is configured to control gas flow between the first chamber and the second chamber.

In a general aspect, a pressure regulating device helps achieve a correct inflation pressure of an inflatable object. In some aspects, an inflation device includes an inlet, and outlet, and a vent port. The inflation device also includes one or more interior surfaces that define a gas-delivery pathway fluidly-coupling the inlet and the outlet. A flow restriction is disposed along the gas-delivery pathway between the inlet and the outlet. Moreover, an opening is disposed along the gas-delivery pathway adjacent the flow restriction and downstream thereof. The inflation device also includes a gas-exhaust pathway fluidly-coupling the opening and the vent port. A first chamber of the gas-exhaust pathway is in fluid communication with the opening, and a second chamber of the gas-exhaust pathway is in fluid communication with the vent port. A pressure-relief valve is configured to control gas flow between the first chamber and the second chamber.

A mortise-tenon jointed air pump has a holding base, an inflation cylinder assembly, an inflation connector assembly, and an air pressure gauge. The holding base has a hollow housing. The inflation cylinder assembly is connected to an inlet end of the housing. The inflation connector assembly is mounted in an exhaust opening of the housing. The air pressure gauge is mounted in a pressure sensing portion of the holding base. The housing of the holding base and a connector of the inflation cylinder assembly are connected with each other by engaging at least one engaging protrusion in at least one engaging groove. Moreover, by inserting at least one retaining block through the housing and the connector, a relative position of the connector and the holding base is locked.