Other

Scott Wu

Louis Chuang

Chiang-Pei Chen

Chien-Lung Cheng

A portable air pump includes a pumping assembly and an inflating assembly. The pumping assembly includes an inner cylinder and an outer cylinder. The inner cylinder is provided with a first end and a second end, and the outer cylinder is sleeved onto an outer periphery of the inner cylinder from the first end. The inflating assembly includes a sliding member, an inflating tube, and a pivoting member. The sliding member is disposed in the inner cylinder. The inflating tube has a proximal end connected with the pivoting member. The pivoting member is pivotally mounted on the sliding member to be rotatable between an axial position and a radial position. When the pivoting member is in the axial position, the sliding member is movable between a retracted position and an extended position.

Portable air pump

A portable air pump includes an inflating mechanism, a joint seat disposed on a cylinder of the inflating mechanism, a support seat pivotally coupled to the joint seat, a positioning mechanism pivotally coupled to the support seat, and a footrest is coupled to the support seat. The joint seat has a joint end including a positioning portion and a groove. The support seat includes a connection pivotally received by the groove and has a receptacle. The positioning mechanism includes a positioning member pivotally engaged in the receptacle and a biasing member. The positioning member is biased by the biasing member and detachably engagable with the positioning portion. The footrest is folded out when the positioning member is engaged with the positioning portion and adapted to be folded toward the inflating mechanism when the positioning member is disengaged from the positioning portion.

An inflator valve connector includes a body, a connecting assembly, a pushing member, and a lever. The body has an air channel. The connecting assembly is rotatably connected to the body and configured to connect with an air valve. The pushing member is movably inserted through the body and the connecting assembly between a first position and a second position, and has a pushing end and a pushed end. The pushing member is provided with at least one air passage communicating with the air channel. The lever is selectively abutting against the pushed end in an unlock position and a lock position and is configured to actuate the pushing member to move relative to the body and the connecting assembly.

Inflator valve connector

An air valve connector includes a head and a switching assembly. The head has a first insertion hole, a second insertion hole, a communicating passage, and an inlet hole. The first insertion hole is provided with a first airtight portion disposed between the communicating passage and the inlet hole, and a second airtight portion disposed between the inlet hole and the first port. The switching assembly includes a plunger movably disposed in the first insertion hole to alternately abut against the first airtight portion or the second airtight portion.

Dual air valve connector for Schrader and Presta valves

A floor pump includes an inflation device having a pump, a seat, and a pressure gauge. The seat is connected to a lower edge of the pump. The pressure gauge is connected between two ends of the pump. A base is pivotably connected to the seat and is movable between an extended position and a first folded position. The base includes first and second footrest portions located on two opposite sides of the seat. When the base is in the extended position, both the first footrest portion and the second footrest portion are not located below the pressure gauge. When the base is in the first folded position, the first footrest portion is located below the pressure gauge.

Floor pump

An inflator valve connector includes a housing, a holding device, an actuating lever, a limiting member and a biasing member. The housing has a containing hole, an air passage. The holding device includes at least one elastic airtight ring and a pushing member movably arranged in the containing hole. The actuating lever has a pivoting portion and a first engaging portion. The pivoting portion is configured to actuate the pushing member to directly or indirectly push the elastic airtight ring to elastically deform. The limiting member has a second engaging portion detachably engaged with the first engaging portion. The biasing member biases the limiting member.

An inflator valve connector includes a body, a guiding member and a lever. The body has a connecting end, an operating end and a guiding hole. The guiding member is rotatably and movably inserted through the guiding hole and is movable relative to the guiding hole between a first position and a second position. The guiding member has a pushing end, an inlet end and an air passage extending from the pushing end to the inlet end and communicating with the guiding hole. The lever is pivotally mounted to the operating end to selectively abut against the guiding member in a unlock position and a lock position, and the lever is configured to actuate the guiding member to move relative to the guiding hole.

A handle includes a limiting member, a handle body, a switch member and a biasing member. The limiting member is adapted to connect with an air pump and has a limiting recess. The handle body is pivotally connected to the limiting member to change between a folded position and a use position, and has a slot. The switch member is pivotally arranged in the slot and has a restricting portion detachably engaged with the limiting recess. The restricting portion is engaged with the limiting recess when the handle body is in the use position, and is disengaged from the limiting recess as the switch member moved relative to the slot. The biasing member biases the switch member toward the outside of the slot.

Anti-pinch handle for air pump

A valve connector for a high pressure air pump includes an outer sleeve having opposite first and second ends. The outer sleeve includes a coupling hole extending along a rotating axis and a receiving space intercommunicating with the coupling hole and located adjacent to the first end of the outer sleeve. An abutting member includes an abutting end received in the receiving space and a connecting end opposite to the abutting end. The abutting member includes an inlet passageway intercommunicating with the abutting end and the connecting end. An outer periphery of an airtight member about the rotating axis slidably abuts and is in airtight contact with an inner periphery of the receiving space. The airtight member is movable toward the first end or the second end. The airtight end face is configured to be biased toward the first end by air current entering from the inlet passageway.

Valve connector for a high pressure air pump

An inflation pump connector includes a housing a sliding groove extending along a longitudinal axis and a pressing device slidably received in the sliding groove. The pressing device includes an airtight ring and a clamping member. The clamping member includes a base and a first claw. The first claw includes a first clamping arm, a first pressing portion, a second clamping arm, and a first hollow portion. The first clamping arm is connected to the base. The first pressing portion is connected to an end of the first clamping arm opposite to the base. The second clamping aim is connected to the first pressing portion. The first hollow portion is disposed between the first clamping arm and the second clamping arm. The first pressing portion is movable towards the longitudinal axis and to squeeze and deform the airtight ring.

Inflation pump connector suitable for various valves

A relief device in air pump includes a main body defining an interior space and a discharge passage fluidly communicating with the interior space. The discharge passage is selectively closed and opened by a valve device. The valve device is movable in the discharge passage. The valve device includes a first sealing portion and a second sealing portion selectively engaging with the discharge passage. The valve device is movable between a first position in which one of the first and the second sealing portions engages with the discharge passage and a second position in which the other of the first and the second sealing portion engages with the discharge passage. The discharge passage has a length measuring from the first end to the second end thereof, which is smaller than a length which measures a separation distance between the first and the second sealing portions.

Air pump with relief device configured for dispensing trace amount of air

A portable air pump includes an inflating unit and a connection unit. The inflating unit includes a cylinder and a joint portion. The connection unit includes a body, a valve connecting assembly, and a valve seat. The body has an axial hole and a joint hole communicating with the axial hole. The valve connecting assembly is arranged through the axial hole and includes a first connecting hole for connecting a Schrader valve, a second connecting hole for connecting a Presta valve, and a through hole communicating with the axial hole. The valve seat is movably arranged in the through hole for abutting the Schrader valve or the Presta valve. The joint hole, and one of the first and second connecting holes are detachably connected to the joint portion.

A portable air pump includes an inflation assembly, a head seat pivotally connected to the inflation assembly, a pressure gauge disposed in the head seat, a connection assembly pivotally connected to the inflation assembly, and an axial member. The inflation assembly includes a cylinder and a piston rod moveable relative to the cylinder to compress the air inside the cylinder. One end of the head seat is provided with the containing groove, and another end of the head seat is provided with a pedal portion. The connection assembly is adapted to connect with an air-inflatable object. The axial member is mounted through the inflation assembly and the head seat and is connected to the connection assembly. The axial member is provided with an airflow channel communicating with the cylinder, the containing groove, and the connection assembly.

Portable air pump including a piston movable relative to a cylinder provided with an axial member mounted through a third through-hole, and a head seat provided with a fourth through-hole, wherein an axial member is mounted through the third and fourth through-holes

A floor pump includes a base, a first cylinder, a second cylinder, an air tube, a handle and an air release device. The first cylinder and the air tube unidirectionally communicate with the base. The second cylinder is movably connected within the first cylinder and has a first piston. The air tube is disposed in the second cylinder and has a second piston. The handle is connected to the second cylinder. The air release device is disposed in the handle and includes a switcher and an air release valve assembly configured to be pressed by the switcher to move relative to a through hole of the handle to cause the second cylinder selectively communicates with the outside of the floor pump.

A variable-pressure air pump includes a first cylinder with a first chamber and a second cylinder with a second chamber movably connected with one another. The second chamber fluidly communicable with the outside of the variable-pressure air pump selectively. A discharge device includes a connecting member and a switch movably connected with one another. The connecting member defines at least one discharge hole fluidly connecting with the second chamber. The switch has at least one flow guide portion and at least one blocking portion. The switch is movable between a first position in which the at least one flow guide portion is adjacent and opens to the at least one discharge hole and a second position in which the at least one blocking portion is adjacent to and blocks the at least one discharge hole.

Growing community of inventors

Taichung, Taiwan

Scott Wu