The present invention relates to a straight type riveting gun, which comprises a gun body having a pipe body and a tube body, a front gun pipe, and a back cover, wherein the front gun pipe is locked to front end of the pipe body and the back cover is locked to the tail end of the tube body. The tube
The present invention relates to a straight type riveting gun, which comprises a gun body having a pipe body and a tube body, a front gun pipe, and a back cover, wherein the front gun pipe is locked to front end of the pipe body and the back cover is locked to the tail end of the tube body. The tube body is provided for receiving a rivet-ejecting adaptor of an oil pressure rod. A trigger is mounted at the tail end of the pipe body for pushing a trigger ejector rod. The trigger ejector rod moves a valve to allow the exterior gas to enter a gas-collecting room for forcing a pneumatic piston to perform movement by use of air pressure. The oil pressure rod pushes the oil liquid to allow the riveting rod to generate powerful pulling force instantaneously thereby completing the riveting operation.
대표청구항▼
What is claimed is: 1. A straight type riveting gun comprising a gun body consisting of a pipe body and a tube body, a front gun pipe, and a back cover, wherein the front gun pipe is locked to a front end of the pipe body and the back cover is locked to a tail end of the tube body, characterized in
What is claimed is: 1. A straight type riveting gun comprising a gun body consisting of a pipe body and a tube body, a front gun pipe, and a back cover, wherein the front gun pipe is locked to a front end of the pipe body and the back cover is locked to a tail end of the tube body, characterized in that: the inside of the pipe body is divided into an upper tunnel and a lower tunnel for communicating with the tube body, an oil-filling hole being formed at an exterior radial end on one side of the pipe body, a trigger having a bevel edge being mounted on the other side of the pipe body, the lower tunnel being provided for receiving a trigger ejector rod, a rivet-ejecting pipe being received by a through hole of the trigger ejector rod and extended to the front gun pipe, the trigger ejector rod having a bevel edge at one end thereof to correspond with the bevel edge of the trigger and the other end thereof being extended to the tube body; the tube body is provided for receiving an oil pressure rod, the oil pressure rod comprising a pneumatic piston plugged up the tube body to form a sealed air pressure chamber and a seating ring plugged up the upper tunnel to form an oil pressure chamber; the back cover having a first notch, a second notch, and a third notch at its radial end, a first shaft hole and a second shaft hole on one side of its axial end, and a third shaft hole on the other side to communicate with the third notch, one end of the first shaft hole being screwed to an intake adapter, the other end of the first shaft hole being extended and communicated with the first notch and the second notch, one end of the second shaft hole being screwed to a rivet-ejecting adaptor and the back cover being penetrated axially by the other end of the second shaft hole, the second shaft hole being communicated with the first notch, an intake ring for receiving a sleeve-shaped valve being mounted at each end of the second notch and the third notch in two respective positions where the second shaft hole intersects the second notch and the third notch, the trigger ejector rod being leant against one side of valve where a trench surrounds, the back cover being locked to the end of the tube body so as to form a gas-collecting room between them; the gas flows into the above-defined structure from the intake adaptor and reaches the second shaft hole to produce always-on suction force so as to suck a rivet before performing operation; and the trigger is pressed to push and move the trigger ejector rod toward the tail end of the tube body and to allow the trigger ejector rod to push and move the valve toward an opposing direction thereby: moving the trench of the valve to a position under the second notch and the third notch so as to allow the gas flow flowed through the second notch to communicate with the third notch via the trench of the valve and the gas flow of the third notch to enter the gas-collecting room via the shaft hole, the gas flow inside the gas-collecting room forms air pressure to force the pneumatic piston that connects to the pneumatic piston to move toward the front end of the upper tunnel that fills with oil liquid to form oil pressure, wherein the oil pressure forces the riveting rod to shift instantaneously thereby completing the riveting operation and ejecting the rivet through the rivet-ejecting pipe. 2. The straight type riveting gun of claim 1, wherein a hanging hole is formed on the back cover.
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