Floor pump capable of transmitting air pressure value via wireless transmission to mobile electronic device for indication

Abstract

A floor pump includes a base, a cylinder, a hose, a valve assembly, a piston rod, and a pressure sensing device. The cylinder is connected with the base. The hose is connected with the base and includes a nozzle attachable with an inflatable. The valve assembly is mounted in the base and connected between the cylinder and the hose. The piston rod connects with a piston slidably disposed and reciprocable inside the chamber for pushing air. The pressure sensing device is disposed in the base. The pressure sensing device can measure the pressure value of the air flowing into the pressure sensing device and is connectable with a mobile electronic device via wireless transmission for indication.

What is claimed is: 
     
         1 . A floor pump comprising:
 a base;   a cylinder mounted on the base and having a chamber;   a hose connected with the base and including a nozzle attachable with an inflatable;   a valve assembly mounted in the base and connected between the cylinder and the hose;   a piston rod connected with a piston, with the piston slidably disposed and reciprocable inside the chamber for pushing air unidirectionally passing through the valve assembly, the hose, and the nozzle into the inflatable; and   a pressure sensing device disposed in the base and interconnected with the valve assembly, with the pressure sensing device arranged in an isobaric area formed between the valve assembly and the inflatable and including a wireless transmission circuit board, a sensing unit, and a power supply unit, with the sensing unit and the power supply unit electrically connected with the wireless transmission circuit board, with the sensing unit capable of measuring the pressure value of the air flowing into the pressure sensing device, and the wireless transmission circuit board connectable with a mobile electronic device via wireless transmission for indicating the air pressure value.   
     
     
         2 . The floor pump as claimed in  claim 1 , wherein the wireless transmission circuit board is a Bluetooth circuit board capable of connecting to the mobile electronic device via Bluetooth connection. 
     
     
         3 . The floor pump as claimed in  claim 2 , wherein the base includes an assembling portion and a connecting hole formed at one end thereof, and a recess formed at the other end thereof, with the assembling portion, the connecting hole, and the recess connected and in communication with each other, with the pressure sensing device disposed in the recess. 
     
     
         4 . The floor pump as claimed in  claim 3 , wherein the valve assembly includes a valve and a manifold, with the valve mounted on the assembling portion and connected with one end of the cylinder adjacent to the base, with the manifold mounted on the recess and including first, second, and third sections, with the first section connected and in communication with the valve, with the second section exposed out of the connecting hole to join with the hose, with the third section connected and in communication with the pressure sensing device. 
     
     
         5 . The floor pump as claimed in  claim 4 , wherein the assembling portion has a bottom, and a vent extending through the bottom and connected and in communication with the first section of the manifold, with the valve disposed in the bottom and including an orifice, a spacer, and a spring, with one end of the orifice connected and in communication with the chamber, with the other end of the orifice connected and in communication with the vent, with the spacer slidably disposed in the orifice, with the spring elastically abutting between the bottom and the spacer. 
     
     
         6 . The floor pump as claimed in  claim 3 , wherein the base includes a supporting portion and at least one supporting leg, with the assembling portion formed in the supporting portion, with the supporting leg radially extending from the supporting portion, with the recess formed in the supporting leg. 
     
     
         7 . The floor pump as claimed in  claim 1 , wherein the base includes a through hole interconnecting with the recess, wherein the wireless transmission circuit board includes an indicator light arranged in the corresponding position with the through hole, wherein the indicator light is actuatable as the wireless transmission circuit board wireless connecting with the mobile electronic device. 
     
     
         8 . The floor pump as claimed in  claim 4 , wherein the pressure sensing device further includes a case, with the wireless transmission circuit board arranged in the case, with the case including a connector connected and in communication with the third section, an air compartment connected and in communication with the connector and corresponding with the sensing unit, and a battery compartment receiving the power supply unit. 
     
     
         9 . The floor pump as claimed in  claim 8 , wherein the power supply unit includes at least one battery and a cover, with the battery disposed in the battery compartment and electrically connected with the wireless transmission circuit board, with the cover engageable with one end of the battery compartment opposite to the wireless transmission circuit board. 
     
     
         10 . A combination of a floor pump and a mobile electronic device comprising:
 a base;   a cylinder connected with the base and having a chamber;   a hose connected with the base and including a nozzle attachable with an inflatable;   a valve assembly mounted in the base and connected between the cylinder and the hose;   a piston rod connected with a piston, with the piston slidably disposed and reciprocable inside the chamber for pushing air unidirectionally passing through the valve assembly, the hose, and the nozzle into the inflatable;   a pressure sensing device disposed in the base and interconnected with the valve assembly, with the pressure sensing device arranged in an isobaric area formed between the valve assembly and the inflatable and including a wireless transmission circuit board, a sensing unit, and a power supply unit, with the sensing unit and the power supply unit electrically connected with the wireless transmission circuit board, with the sensing unit capable of measuring the pressure value of the air flowing into the pressure sensing device; and   a mobile electronic device connectable with the wireless transmission circuit board via wireless transmission for indicating the air pressure value.   
     
     
         11 . The combination as claimed in  claim 10 , wherein the wireless transmission circuit board is a Bluetooth circuit board capable of connecting to the mobile electronic device via Bluetooth connection. 
     
     
         12 . The combination as claimed in  claim 10 , wherein the base includes a through hole interconnecting with the recess, wherein the wireless transmission circuit board includes an indicator light arranged in the corresponding position with the through hole, wherein the indicator light is actuatable as the wireless transmission circuit board wireless connecting with the mobile electronic device. 
     
     
         13 . The combination as claimed in  claim 11 , wherein the base includes an assembling portion and a connecting hole formed at one end thereof, and a recess formed at the other end thereof, with the assembling portion, the connecting hole, and the recess connected and in communication with each other. 
     
     
         14 . The combination as claimed in  claim 13 , wherein the valve assembly includes a valve and a manifold, with the valve mounted on the assembling portion and connected with one end of the cylinder adjacent to the base, with the manifold mounted on the recess and including first, second, and third sections, with the first section connected and in communication with the valve, with the second section exposed out of the connecting hole to join with the hose, with the third section connected and in communication with the pressure sensing device. 
     
     
         15 . The combination as claimed in  claim 14 , wherein the valve assembly includes a valve and a manifold, with the valve mounted on the assembling portion and connected with one end of the cylinder adjacent to the base, with the manifold mounted on the recess and including first, second, and third sections, with the first section connected and in communication with the valve, with the second section exposed out of the connecting hole to join with the hose, with the third section connected and in communication with the pressure sensing device. 
     
     
         16 . The combination as claimed in  claim 15 , wherein the assembling portion has a bottom, and a vent extending through the bottom and connected and in communication with the first section of the manifold, with the valve disposed in the bottom and including an orifice, a spacer, and a spring, with one end of the orifice connected and in communication with the chamber, with the other end of the orifice connected and in communication with the vent, with the spacer slidably disposed in the orifice, with the spring elastically abutting between the bottom and the spacer. 
     
     
         17 . The combination as claimed in  claim 13 , wherein the base includes a supporting portion and at least one supporting leg, with the assembling portion formed in the supporting portion, with the supporting leg radially extending from the supporting portion, with the recess formed in the supporting leg.