CN106585177B - A kind of novel retractable ball pen - Google Patents

Abstract

The invention provides a kind of novel retractable ball pen, it is complicated to solve existing expansion ball pen, manufactures the problem of difficult.It is characterized in that lower cap is connected with penholder by screw thread, spring, pen core, button spindle are sequentially loaded into inside penholder, button cap outer circumferential walls projection circular arc and button spindle hollow parts inwall projection circular arc, penholder inwall projection circular arc and upper cap outer circumferential walls projection circular arc extrusion fit, realize ball pen integrally axially mounted fixation；Penholder inwall is provided with guide-localization groove, moves and positions along groove for button spindle alignment pin, and cap lower port sets the circular hole for stretching out or retracting for the nib positioned at pen core lower end under button spindle；Pen core upper surface contacts with button lower surface, and lower surface coordinates with spring, and button spindle coordinates the stretching and retraction for realizing pen core nib with spring.The present invention realizes the simplification to existing telescopic gel ink pen structure, convenient to manufacture, and reduces manufacturing cost, is adapted to batch production.

Description

A kind of novel retractable ball pen

Technical field

The present invention relates to it is a kind of be used to learning, the novel retractable ball pen in the field such as handle official business, specifically, institute of the present invention The expansion ball pen being related to, refer to that taking writing material transcription out of by the small ball of free rolling metal on pen core nib arrives A kind of writing pen on paper or other articles, mainly include common traditional ball pen at present, because gel ink pen is with its ink Water attribute names, it still falls within ball pen involved in the present invention；Similarly reason, the present invention also include at present or after Press retractable writing implement in the top that also belongs to the name of other properties being likely to occur.

Background technology

Ball pen, or ballpoint pen, it is using dry consistence ink, transcription is brought out by the steel ball freely rotated in nib A kind of writing implement on to paper.Ball pen is suitable for for making carbon copies so that its is easy to carry, feel is good, fluent writing Advantage, thus, the people from all walks of life such as civilian personnel from the student of school to office building are happy to use.And in study and work now In, ball pen turns into the main flow writing implement that working and studying uses, and the ratio of occupied writing implement increases year by year.

Common expansion ball pen is used in combination by spring, ball pen tip button, is matched somebody with somebody in conjunction with rotating ratchet The guiding straight trough of inner walls and wedge-shaped stopper slot are closed, realizes the stretching and retraction of ball pen.This ball pen design knot Structure is complicated, with regard to the button of ball pen upper end, rotating ratchet, penholder inwall guide groove for, carry out injection production using mould, Because it realizes the complicated of function so that mould structure is complicated, and manufacturing processing technic is complicated, and manufacture difficulty is high.

Therefore, in order to solve, existing expansion ball pen steering structure is complicated, manufacture production mould is difficult, manufacturing process is multiple Miscellaneous, the problem of production cost is high, it is necessary to a kind of new structure design, simplifies to existing ball-point pen structure, convenient manufacture plus Tool and mould is necessary.

The content of the invention

It is an object of the invention to：Complicated to solve existing expansion ball pen mechanism, Making mold processing difficulties are asked Topic, spy provide a kind of novel retractable ball pen.

The technical scheme is that：A kind of novel retractable ball pen, including lower cap, penholder, pen clip, spring, pen Core, button spindle, button cap, upper cap, it is characterised in that：The lower cap is connected with penholder by screw thread, spring, pen core, Button spindle is sequentially loaded into inside penholder, and pen core upper surface contacts with button spindle lower surface, and pen core lower surface contacts with spring end face, Button spindle coordinates the stretching and retraction for realizing pen core nib with spring；In the button cap outer circumferential walls, button spindle hollow parts Wall, penholder inwall, upper cap outer circumferential walls are respectively arranged with raised circular arc, and button cap outer circumferential walls projection circular arc is empty with button spindle Intracardiac wall projection circular arc, penholder inwall projection circular arc and upper cap outer circumferential walls projection circular arc extrusion fit, realize described flexible The axially mounted fixation of each part of formula ball pen；The penholder inwall is provided with what is rotated for the movement of button spindle alignment pin or button spindle Guide-localization groove；The upper cap lower ratchet formula structure is engaged with the locating slot top skewed slot of penholder inwall, realizes button Bar alignment pin upper limit of movement positions；The lower cap lower port sets the circle for stretching out or retracting for the nib positioned at pen core lower end Hole；The pen clip is fixed on penholder outer wall epimere, to prevent the novel retractable ball pen from freely rolling, while is also convenient for pressing from both sides Hold.

It is compared with prior art, convenient to manufacture processing mold the beneficial effects of the invention are as follows the existing ball-point pen structure of simplification, Simplify manufacturing process, reduce die manufacturing cost, so as to reduce expansion ball pen production cost, realize bigger economic effect Benefit.

Brief description of the drawings

Fig. 1 is building block released state schematic perspective view of the present invention.

Fig. 2 is overall appearance schematic diagram of the present invention.

1. times caps in figure, 2. penholders, 3. pen clips, 4. springs, 5. pen cores, 6. button spindles, 7. button caps, cap on 8..

Fig. 3 is the local half section structure diagram that cap coordinates on penholder in Fig. 1 of the present invention.

Fig. 4 is penholder inwall guide-localization groove expanded view in Fig. 1 of the present invention, just axial along Fig. 3 center lines A-A like penholder The expanded view splitted.A points represent locating slot lower limit in figure, and b represents lower limit site（Refill for ball-point pen stretches out）, c represents upper limit site （Refill for ball-point pen is retracted）.

Fig. 5 is button spindle axis side view in Fig. 1 of the present invention.

Embodiment

The invention will be further described below in conjunction with the accompanying drawings：

Referring to accompanying drawing, a kind of novel retractable ball pen, including lower cap 1, penholder 2, pen clip 3, spring 4, pen core 5, press Button bar 6, button cap 7, upper cap 8.The lower cap 1 is connected with penholder 2 by screw thread, spring 4, pen core 5, button spindle 6 according to Inside secondary loading penholder 2, the upper surface of pen core 5 contacts with the lower surface of button spindle 6, and the lower surface of pen core 5 contacts with spring end face, button Bar 6 coordinates the stretching and retraction for realizing pen core nib with spring；In the outer circumferential walls of button cap 7, the hollow parts of button spindle 6 Wall, the inwall of penholder 2, the outer circumferential walls of upper cap 8 are respectively arranged with raised circular arc, the outer circumferential walls projection circular arc of button cap 7 and button The hollow inwall projection circular arc of bar 6, the inwall projection circular arc of penholder 2 and the upper outer circumferential walls projection circular arc of cap 8 coordinate, and are stretched described in realization The axially mounted positioning of each part of contracting formula ball pen；The inwall of penholder 2 is provided with for the movement of the alignment pin of button spindle 6 or button spindle 6 The guide-localization groove of rotation；The lower ratchet formula structure of upper cap 8 is engaged with the locating slot top skewed slot of the inwall of penholder 2, Realize that the alignment pin upper limit of movement of button spindle 6 positions；The lower port of lower cap 1 set stretched out for the nib positioned at pen core lower end or The circular hole of retraction；The pen clip 3 is fixed on the outer wall epimere of penholder 2, to prevent the novel retractable ball pen from freely rolling, together When be also convenient for clamping.

When assembling ball pen, by design, the internal diameter of penholder 2 is identical with the upper external diameter of cap 8, takes gap to coordinate, the inwall of penholder 2 The raised circular arc extrusion fit of raised circular arc and the upper outer circumferential walls of cap 8, the axial restraint of cap 8 in realization, can be circumferentially rotated； Meanwhile be engaged referring to Fig. 3, the upper lower ratchet formula structure of cap 8 with the guide-localization groove upper wedge skewed slot of the inwall of penholder 2, Realize the high spacing axially position of the alignment pin of button spindle 6.The circumference external diameter of button cap 7 is identical with the internal diameter of button spindle 7, between same use Gap coordinates, and the outer circumferential walls projection circular arc of button cap 7 and the hollow inwall projection circular arc extrusion fit of button spindle 6, realizes the axle of button cap 7 To fixation, can rotate in a circumferential direction.Circumference external diameter residing for the alignment pin of button spindle 6 be slightly less than penholder inwall projection circular arc obtain it is minimum straight Footpath, thus directly button spindle 6 can be put into inside penholder 2, the alignment pin of button spindle 6 enters along the inwall skewed slot of penholder 2 automatically Enter guide-localization groove.Coordinate more than, during button press cap 7, led without influenceing the alignment pin of button spindle 6 along the inwall of penholder 2 To locating slot movement and yaw motion.

By pressing novel retractable ball pen button cap 7 involved in the present invention, to realize that pen core 5 extends and retracts shape Conversion between state, so as to realize the conversion between ball pen writing state and non-writing state.Referring to Fig. 2, now ball pen Button spindle 6, pen core 5 are sequentially delivered in writing state, button press cap 7, energy, finally causes spring 4 to be in compression shape State；The alignment pin of button spindle 6 moves axially along the inwall guide-localization groove of penholder 2, and rotates；Release button cap 7, spring 4 Resilience resets, and energy is sequentially delivered to pen core 5, button spindle 6, button cap 7, and it is fixed that the alignment pin of button spindle 6 is oriented to along the inwall of penholder 2 Position groove axial movement, and rotate.

Referring to Fig. 4, when ball pen is in writing state, it is assumed that the alignment pin of button spindle 6 is in position b, button press cap 7, the alignment pin of button spindle 6 moves axially downwards along pen, and turning to the adjacent slot corner tip of locating slot bottom two with the inwall of penholder 2 connects Touch, because corner tip between the adjacent slot of bottom two and the center line of position b groove are staggered, therefore button spindle 6 is fixed along being oriented to Position groove movement, and certain deflection occurs, in-position a；Release button cap 7, button spindle alignment pin move axially upwards along pen, Two adjacent high stopper slot of locating slot top and low stopper slot corner nib contacts are turned to the inwall of penholder 2, because bottom two is adjacent High stopper slot staggers with low stopper slot corner tip and the center line of position a groove, therefore button spindle 6 moves along guide-localization groove It is dynamic, and certain deflection occurs, in-position c；Finally realize ball pen from writing state to the conversion of non-writing state；Together Reason, when the alignment pin of button spindle 6 is in the other positions concordant with position b, there is similarly operation principle and working condition.Together Reason, ball pen are also same principle from non-writing state to the conversion of writing state, are no longer described in detail herein.The inwall of penholder 2 is oriented to Locating slot is closed loop cycle structure, thus the alignment pin of button spindle 6 can in guide-localization groove continuous moving, realize unlimited number Cyclically realize ball pen freely changing between writing state and non-writing state.

Claims (2)

1. a kind of novel retractable ball pen, including lower cap, penholder, pen clip, spring, pen core, button spindle, button cap, upper pen Lid, it is characterised in that：The lower cap (1) is connected with penholder (2) by screw thread, spring (4), pen core (5), button spindle (6) It is internal to be sequentially loaded into penholder (2), pen core (5) upper surface contacts with button spindle (6) lower surface, pen core (5) lower surface and spring terminal Face contacts；Button cap (7) outer circumferential walls, button spindle (6) hollow parts inwall, penholder (2) inwall, upper cap (8) circumference Outer wall is respectively arranged with raised circular arc, button cap (7) outer circumferential walls projection circular arc and the hollow inwall projection circular arc of button spindle (6), Penholder (2) inwall projection circular arc and the projection circular arc extrusion fit of upper cap (8) outer circumferential walls；Penholder (2) inwall is provided with For the guide-localization groove that button spindle (6) alignment pin is mobile or deflects；Penholder (2) the inwall guide-localization groove bottom is concordant Groove position, top are the groove of lower bound position and high spacing interlaced arrangement successively；The high stopper slot upper end of penholder (2) inwall guide-localization groove is Open loop；Corner tip and lower channel between two adjacent high stopper slot of penholder (2) inwall guide-localization groove top and low stopper slot Center line staggers；Stagger with top groove center line at corner tip between the adjacent slot of penholder (2) inwall guide-localization groove bottom two； The ratchet-type structure of upper cap (8) lower end is engaged with the guide-localization groove top skewed slot of penholder (2) inwall；It is described to start writing Cover (1) lower port and the circular hole for stretching out or retracting for the nib positioned at pen core (5) lower end is set；The pen clip (3) is fixed on penholder (2) outer wall epimere.

2. novel retractable ball pen according to claim 1, it is characterised in that：Button spindle (6) bottom is provided with For the inner groovy of pen core (5) radial positioning.