Press-action device

A press-action writing instrument comprising:

• a holding barrel comprising a first end, a second end and a window;
• a push button disposed at the first end of the holding barrel, wherein the push button allows a user to propel/repel to perform a linear motion;
• a writing element installed in the holding barrel, wherein the writing element has a writing end;
• a pressing module, wherein when the push button is propelled/repelled, the pressing module drives the writing end to protrude from or retract into the second end of the holding barrel;
• a rotation module connected with the push button, with the rotating module comprising:
• a driving part connected with the push button;
• and
• at least one rotation barrel installed in the holding barrel and located corresponding to the window, wherein the rotation barrel has a following part driven by the driving part;
• and
• a writing element spring disposed around the writing element;
• wherein when the user pushes the push button, the push button firstly performs a first stage, and then performs a second stage,
• wherein when the push button is performing the first stage, the driving part drives the following part, to drive the at least one rotation barrel to rotate;
• and
• wherein when the push button is performing the second stage, the driving part departs from the following part, to make the at least one rotation barrel freely rotate.

A press-action device comprising:

• a holding barrel comprising a first end, a second end and a window;
• a push button disposed at the first end of the holding barrel, wherein the push button allows a user to propel/repel to perform a linear motion;
• a rotation module connected with the push button, with the rotation module comprising:
• a driving part connected with the push button;
• and
• at least one rotation barrel installed in the holding barrel and located corresponding to the window, wherein the rotation barrel has a following part which can be driven by the driving part;
• and
• an auxiliary spring connected with the rotation module;
• wherein when the user pushes the push button, the push button firstly performs a first stage, and then performs a second stage;
• wherein when the push button is performing the first stage, the driving part drives the following part, to drive the at least one rotation barrel to rotate;
• wherein when the push button is performing the second stage, the driving part departs from the following part, to make the at least one rotation barrel freely rotate;
• wherein when the user releases the push button, the push button performs a third stage after the second stage;
• wherein when the push button is performing the third stage, the driving part holds the following part, to make the at least one rotation barrel stop rotating;
• wherein the driving part further comprises:
• a rotation shaft receiver connected with the first end of the holding barrel, wherein the rotation shaft receiver has a guiding part;
• and
• a rotation shaft installed in the rotation shaft receiver and the at least one rotation barrel, wherein the rotation shaft has an external thread, wherein the external thread is associated with the guiding part, and wherein when the rotation shaft is moving upwards/downwards, the rotation shaft rotates accordingly, wherein the rotation shaft further comprises a guiding protrusion, wherein the following part of the at least one rotation barrel further comprises a plurality of guiding blocks, wherein when the push button is performing the first stage, the guiding protrusion pushes one of the guiding blocks and the driving part drives the following part, wherein a guiding groove is formed between each two adjacent guiding blocks, and wherein when the push button is performing the first stage, the guiding protrusion is located in one of the guiding grooves, wherein when the push button is performing the second stage, the guiding protrusion departs from the one of the guiding grooves, wherein each of the guiding blocks is roughly trapezoidal in shape, wherein the guiding block has a long wall, an oblique wall and a short wall, and wherein each of the guiding grooves has a wider lower edge.