CN200939759Y

CN200939759Y - Extension regulation set for rotary extensible pen

Info

Publication number: CN200939759Y
Application number: CN 200620117741
Authority: CN
Inventors: 刘见明
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-06-19
Filing date: 2006-06-19
Publication date: 2007-08-29
Anticipated expiration: 2016-06-19

Abstract

The utility model directs to an extensible adjusting device for a pivotal extensible pencil. The pivotal extensible pencil includes a shaft, a refill and a pivotal cap. The extensible adjusting device concludes an outer thimble combining with the shaft, a locating member positioning in the outer thimble, a pushing member that is positioned at one side of the locating member and can be moved back and forth, which concludes a protruding block and a rotary member and a rotary member positioning at one side of locating member opposite to the pushing member. The rotary member is connected with and rotated along with the pivotal cap synchronously. The pivotal member is composed of a groove, a guide bevel and a first gap and a second gap at front and back sides. The pivotal member has a rotary travel relative to the pushing member along the guide bevel. The pushing member produces a relative front and back displacement. The protruding block can be located at the first gap or at the second gap. The refill is propelled out/in. When the pivotal cap is rotated to position in the first gap or in the second gap, the refill is propelled in or the pen shaft is propelled out with the push of the pushing member, the rotary travel can be shortened with a corporation of the guide bevel and a compressive spring in the front of the refill. The refill can be quickly screwed in /out with a force saved.

Description

Be applied to the flexible adjustment group of rotary flexible pen

Technical field

The utility model relates to a kind of flexible pen, particularly relating to a kind of only the need can screw out pen core or screw in simply fast with shorter rotating distance, and cooperate the elastic-restoring force that the compression spring provides and can reach simple to operate and laborsaving, have more the flexible adjustment group that is applied to rotary flexible pen that element is few and assemble simple advantage.

Background technology

Writing appliances such as the ballpoint pen of general usefulness and pen generally include a penholder and a cap, yet, the user usually because the cap volume is less easily with its loss, or problems such as cap comes off easily occur, thereby cause the inconvenience in the use.The pen that had occurred multiple rotary and push type afterwards on the market, by rotation or push the mode of cap and pen core is stretched out or retraction in penholder, the problem that does not only have cap to lose easily or come off has more use and advantage such as easy to carry.

With regard to rotary flexible pen, be to reach in rotary manner and the purpose of telescopic pen core, yet this structural detail is too much by a plurality of ratchets and spring in the past, assembling is also complicated, has increased the cost of producing.

For head it off, disclosed a kind of writing pen tool structure-improved for M241243 number at the TaiWan, China patent announcement, be to be provided with tenon in the penholder both sides, and cooperation cap inner edge is provided with upper and lower ring-type draw-in groove and a side is cut the vertical type slide rail of establishing, an one compression spring and a pen core arranged in the penholder, when tenon be positioned at below ring-type draw-in groove then pen core collapse in penholder, rotate cap and make tenon pass through the vertical type slide rail and the top ring-type draw-in groove that arrives, then pen core is oppressed and is stretched out below the penholder, the usefulness of writing for the user.

Though an above-mentioned tool component number is less, but the design of element itself is comparatively complicated, it is more to expend time on making, in addition, comparatively inconvenience of flexible adjustment design with upper and lower ring-type draw-in groove and vertical type slide rail, because the path of its rotation is longer, the user need rotate for a long time and just pen core can be screwed out or screws in, and obviously can't provide preferable convenience in the use.

This shows that above-mentioned existing flexible pen obviously still has inconvenience and defective, and demands urgently further being improved in structure and use.In order to solve the problem of above-mentioned existence, relevant manufacturer there's no one who doesn't or isn't seeks solution painstakingly, but do not see always that for a long time suitable design finished by development, and common product does not have appropriate structure to address the above problem, this obviously is the problem that the anxious desire of relevant dealer solves.Therefore how to found a kind of flexible adjustment group that is applied to rotary flexible pen of new structure, real one of the current important research and development problem that belongs to, also becoming the current industry utmost point needs improved target.

Because the defective that above-mentioned existing flexible pen exists, the design people is based on being engaged in this type of product design manufacturing abundant for many years practical experience and professional knowledge, and the utilization of cooperation scientific principle, actively studied innovation, in the hope of founding a kind of flexible adjustment group that is applied to rotary flexible pen of new structure, can improve general existing flexible pen, make it have more practicality.Through constantly research, design, and, create the utility model that has practical value finally through after studying sample and improvement repeatedly.

Summary of the invention

The purpose of this utility model is, overcome the defective that existing flexible pen exists, and a kind of flexible adjustment group that is applied to rotary flexible pen of new structure is provided, technical problem to be solved is to make it have the effect of can be simply and fast pen core being screwed out or screwing in, thereby is suitable for practicality more.

The purpose of this utility model and to solve its technical problem be to adopt following technical scheme to realize.According to a kind of flexible adjustment group that is applied to rotary flexible pen that the utility model proposes, this rotary flexible pen comprises a penholder, a pen core and a rotation cap, should flexible adjustment group be positioned at this rotation cap, this pen core is placed in this penholder, and this rotation cap this penholder and rotating relatively, it is characterized in that this flexible adjustment group comprises: an outer tube, combined with this penholder; Positioning piece is tight with in this outer tube; One push piece is positioned at an end of this keeper, and relatively this keeper and can before and after displacement, and engage with this pen core, include a projection on this push piece; An and revolving part, be positioned at the other end of this keeper with respect to this push piece, this revolving part is connected with this rotation cap and can produces rotation synchronously with this rotation of rotating cap, this revolving part has a short slot, this short slot comprises one first breach and one second breach of a guiding incline and rear and front end again, this revolving part along this guiding incline and relatively this push piece has a rotating distance, this push piece produces relative front and back displacement, and this projection can be positioned this first breach or this second breach one of them, this pen core then is subjected to the pushing and pressing of this push piece and retraction or stretch out.

The purpose of this utility model and solve its technical problem and can also be able to be further achieved by the following technical measures.

The aforesaid flexible adjustment group that is applied to rotary flexible pen, the shape of wherein said first breach or second breach conforms to the shape of this projection.

The aforesaid flexible adjustment group that is applied to rotary flexible pen, wherein said outer tube has an external screw thread, and this penholder has an internal thread, this external screw thread and this internal thread lock together.

The aforesaid flexible adjustment group that is applied to rotary flexible pen, an end of wherein said push piece has a depressed part, and this pen core has a protuberance, this protuberance can fasten with this depressed part.

The aforesaid flexible adjustment group that is applied to rotary flexible pen, the displacement of wherein said projection is for being limited to the structure in the limited impression on this keeper.

The aforesaid flexible adjustment group that is applied to rotary flexible pen, it has wherein said revolving part a fin and is sticked in this keeper, and the end that this revolving part exposes to this keeper more includes the flange of an external diameter greater than this keeper external diameter, and locatees the position of this revolving part with respect to this keeper.

The aforesaid flexible adjustment group that is applied to rotary flexible pen, wherein said pen core are to pull in the top of a compression spring in location and top, and this compression spring provides this push piece required elastic force that resets.

The utility model compared with prior art has tangible advantage and beneficial effect.Via as can be known above, in order to achieve the above object, the utility model provides a kind of preferable embodiment that is applied to the flexible adjustment group of rotary flexible pen, and it comprises an outer tube and is assembled in this outer tube interior a push piece, positioning piece and a revolving part.Wherein flexible adjustment group is to be positioned at a rotation cap, and the rotation cap be assembled in penholder the top and can be relatively itself and rotate, pen core is placed in the penholder and pushes up mutually with a compression spring of below and pulls, and pen core is stretched out or a pen core in retraction penholder the place ahead exports.

By technique scheme, the flexible adjustment group that the utility model is applied to rotary flexible pen has following advantage at least:

The utility model is that the combination by revolving part and push piece in the flexible adjustment group achieves the above object, wherein push piece includes a projection, and revolving part is provided with a short slot, and short slot comprises one first breach and one second breach of a guiding incline and rear and front end, by this, make revolving part have a rotating distance with respect to push piece, projection then respectively with wherein one inconsistent and make push piece produce relative front and back displacement of guiding incline, first breach or second breach.Projection be positioned at first breach then pen core be positioned at penholder, the user rotate this rotation cap then the driven rotary part rotate synchronously, the guiding incline of revolving part promotes push piece and pen core displacement forward, compression spring thereby oppressed, when projection move to second breach then pen core stretch out in penholder outside and the usefulness that confession is write; When user's desire is taken in pen core in the penholder, then only need rotation cap is rotated in the opposite direction, the elasticity that projection breaks away from second breach and is compressed spring is answered power and is got back to the position that engages with first breach fast along guiding incline, and pen core is then taken in the penholder.By this, the user only needs then pen core to be screwed out or screws in short rotating distance, and cooperates the multiple power of the compression elasticity that spring provided and can reach purpose laborsaving and simple to operate, and it is few and assemble simple advantage to have more element.

In sum, the utility model relates to a kind of flexible adjustment group that is applied to rotary flexible pen, and it is to be arranged in the rotation cap, and the rotation cap is assembled on the penholder and its rotation relatively, in order to a pen core is screwed in or back-out; The utility model is the means that can make the relative front and back displacement of projection generation of push piece by the short slot of revolving part in the flexible adjustment group, and make revolving part have a rotating distance with respect to push piece, then but the pen core quick-expansion is for writing or taking in, and wherein short slot comprises first breach and second breach at a guiding incline and two ends; By this, rotate this rotation cap and when making projection be positioned at first breach or second breach, pen core can retraction or is subjected to the promotion of push piece and stretches out penholder, cooperate the multiple power of elasticity of guiding incline and pen core front end compression spring again and can shorten the stroke of rotation, having can be with the quick screw-in of pen core and back-out and labour-saving effect.The utlity model has above-mentioned plurality of advantages and practical value, no matter it all has bigger improvement on product structure or function, obvious improvement is arranged technically, and produced handy and practical effect, and more existing flexible pen has the outstanding effect of enhancement, thereby being suitable for practicality more, really is a new and innovative, progressive, practical new design.

Above-mentioned explanation only is the general introduction of technical solutions of the utility model, for can clearer understanding technological means of the present utility model, and can be implemented according to the content of specification, and for above-mentioned and other purposes, feature and advantage of the present utility model can be become apparent, below especially exemplified by preferred embodiment, and conjunction with figs., be described in detail as follows.

Description of drawings

Fig. 1 is the stereoscopic schematic diagram that the utility model is applied to rotary flexible embodiment of rotary flexible flexible adjustment group.

Fig. 2 is the exploded perspective schematic diagram that the utility model is applied to the Application Example of rotary flexible flexible adjustment group.

Fig. 3 is the schematic diagram of revolving part structure of the embodiment of the utility model flexible adjustment group of being applied to rotary flexible pen.

Fig. 4-1～Fig. 4-the 3rd, the utility model are applied to the embodiment action schematic diagram in use of the flexible adjustment group of rotary flexible pen.

The specific embodiment

For further setting forth the utility model is to reach technological means and the effect that predetermined goal of the invention is taked, below in conjunction with accompanying drawing and preferred embodiment, to organizing its specific embodiment, structure, feature and effect thereof according to the flexible adjustment of the rotary flexible pen of being applied to of the utility model proposes, describe in detail as after.

At first, see also Fig. 1, shown in Figure 2, Fig. 1 is the stereoscopic schematic diagram that the utility model is applied to rotary flexible embodiment of rotary flexible flexible adjustment group, Fig. 2 is the exploded perspective schematic diagram that the utility model is applied to the Application Example of rotary flexible flexible adjustment group, wherein disclosed the application of the preferred embodiment of the flexible adjustment group 40 that is applied to rotary flexible pen that the utility model proposes, it includes an outer tube 41, a push piece 42, positioning piece 43 and a revolving part 44.

The flexible adjustment group that is applied to rotary flexible pen of the utility model preferred embodiment is to be applied to a rotary extension pen, and it comprises: a penholder 10, a pen core 20 and a rotation cap 30; Wherein:

This penholder 10 has pen core outlet 11 at front end and stretch out for pen core 20, and penholder 10 inside has been installed with a compression spring 12;

This pen core 20 is placed in the penholder 10, and pushes up mutually with compression spring 12 and to pull and be positioned to compress the top of spring 12, and pen core 20 for example can be the pen core 20 of general ballpoint pen, and visual user's demand and take out replacement;

This rotates cap 30, is assembled in the top of penholder 10, and penholder 10 rotation and promote pen core 20 and stretch out pen core outlet 11 relatively.

This preferred embodiment be utilize flexible adjustment group 40 and pen core 20 is stretched out or retraction in penholder 10, flexible adjustment group 40 is to be fixed in the rotation cap 30, wherein push piece 42 all is positioned on the keeper 43 with revolving part 44, and keeper 43 is to be tight with in the outer tube 41, and push piece 42, keeper 43 all are assembled in the outer tube 41 with revolving part 44 threes.

Be somebody's turn to do flexible adjustment group 40, the one end is to be locked on the internal thread 13 of penholder 10 by the external screw thread 410 of outer tube 41, and because pen core 20 is the elastic force effects that are compressed spring 12, so pen core 20 meeting and push piece 42 ejections mutually.And present embodiment preferably is provided with a depressed part 420 at an end of push piece 42, and pen core 20 is provided with a protuberance 21 with respect to the position of depressed part 420, protuberance 21 and depressed part 420 are fastened, therefore when revolving part 44 rotations and promotion push piece 42 when advancing, because pen core 20 and push piece 42 good engages situation, therefore pen core 20 can along with push piece 42 produce relatively before and after displacement, and can not be offset (its action repeat after holding) in detail arbitrarily.In addition, the push piece 42 of this preferred embodiment is provided with a projection 421, and having a limited impression 430 on the keeper 43, the displacement of projection 421 then is limited in the limited impression 430, so push piece 42 can only produce length travel and not have lateral displacement by relative positioning spare 43.

The other end of flexible adjustment group 40 then is that revolving part 44 is connected with rotation cap 30, and makes revolving part 44 produce interlock along with the rotation of rotation cap 30; Please cooperate consult shown in Figure 3, the revolving part 44 of this preferred embodiment is not come off by a fin 440 is sticked in the keeper 43, and the end that revolving part 44 exposes to keeper 43 more includes the flange 441 of an external diameter greater than the external diameter of keeper 43, and revolving part 44 is positioned certain position, but make the revolving part 44 still can relative positioning spare 43 and rotate.

In addition, the preferable outer tube 41 that also can make of present embodiment has the less restriction portion (not shown) of an internal diameter near an end of external screw thread 410, by this, only limit the push piece 42 of its displacement, make a clean sweep of out from external screw thread 410 in the time of can not desiring refill 20 disassembling rotary flexible pen with confinement groove 420.

This preferred embodiment by both combinations of a short slot 442 on projection on the push piece 42 421 and the revolving part 44, can simply be extended or retraction pen core outlet 11 and make pen core 20 specifically; Wherein short slot 442 comprises one first breach 444 and one second breach 445 of a guiding incline 443 and rear and front end again, and make revolving part 44 along guiding incline 443 and relatively push piece 42 have a rotating distance, and in this rotating distance, make projection 421 inconsistent with guiding incline 443, first breach 444 or second breach, 445 one of them perseverance, by this, under normal conditions, projection 421 is positioned at first breach 444, and this moment, 20 of pen cores still were positioned at the inboard of pen core outlet 11; Rotate 44 rotations of 30 driven rotary parts of this rotation cap, and promote push piece 42 displacement forward along guiding incline 443, last, projection 421 is positioned

second breach

445, and 20 of pen cores stretch out in the outside of pen core outlet 11, and its detailed action repeats after holding; In addition, preferable, first breach 444 conforms to the shape of projection 421 with the shape of second breach 445.

Present embodiment in use, see also shown in Fig. 4-1～Fig. 4-3, under normal conditions, the projection 421 of push piece 42 is first breach 444 that are positioned at revolving part 44, therefore, pen core 20 is compressed the elastic force effect of spring 12 and pushes up mutually with it and to pull, and does not stretch out pen core outlet 11 (shown in Fig. 4-1) just pen core 20 is accommodated in the penholder 10; When user's desire uses rotary flexible pen of the present utility model to write work, the user rotates the rotation cap 30 of top, thereby driven rotary part 44 rotates thereupon, then projection 421 breaks away from first breach 444 and is pushed forward along the guiding incline 443 of revolving part 44, push piece 42 because and displacement forward, and then the also displacement forward thereupon of pen core 20 that fastens of promotion and push piece 42, compression spring 12 is compressed (shown in Fig. 4-2); When the user is rotated further this rotation cap 30, projection 421 is along guiding incline 443 and second breach 445 that arrives, 42 of push pieces promote the compression spring 12 in pen core 20 compressing the place aheads and make it store the multiple power of an elasticity, and because the shape of second breach 445 conforms to projection 421, therefore projection 421 can be sticked in second breach 445 and be difficult for breaking away from, and 20 of pen cores stretch out pen core outlet 11 and write (shown in Fig. 4-3) for the user; When the user finishes using and desire during with pen core 20 income penholders 10, the user then rotates the rotation cap 30 of top in the opposite direction, these rotation cap 30 driven rotary parts 44 rotate and make projection 421 break away from second breach 445, the compression spring 12 of below promptly disengages its elastic-restoring force, thereby pen core 20 and push piece 42 above promoting, projection 421 on this push piece 42 is got back to first breach 444 fast along guiding incline 443 and is also fastened with it, in 20 retraction penholders 10 of pen core (shown in Fig. 4-1).

Because this preferred embodiment preferably makes first breach 444 conform to the shape of projection 421 with the shape of second breach 445, therefore, when being positioned at first breach 444, projection 421 then can fasten with it, the user must just can stretch out pen core 20 by the rotation cap 30 that rotates the top, and the person of being easy to use will be rotary flexible be accommodated in position such as pocket and pen core 20 can not expose arbitrarily; And because projection 421 also can be sticked in second breach 445, therefore use in the process of rotary flexible pen, pen core 20 can not withdrawn arbitrarily; In addition, the design of guiding incline 443 makes the rotating distance of rotation cap 30 short compared to existing known rotary flexible pen, the user can release pen core 20 and retraction pen core outlet 11 fast, the elastic-restoring force that cooperates compression spring 12 to store in advance in addition is not so the power of costing can simply be withdrawn pen core 20.

In sum, the utility model is applied to the flexible adjustment group 40 of rotary flexible pen, it mainly is the combination that utilizes the projection 421 of the short slot 442 of revolving part 44 and push piece 42, when the user uses rotary flexible, can reach and make pen core 20 stretch out short, the simple to operate and labour-saving purpose of required rotate path, it is few and assemble simple advantage also to have an element.

The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, though the utility model discloses as above with preferred embodiment, yet be not in order to limit the utility model, any those skilled in the art are not in breaking away from the technical solutions of the utility model scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solutions of the utility model, according to technical spirit of the present utility model to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solutions of the utility model.

Claims

1, a kind of flexible adjustment group that is applied to rotary flexible pen, this rotary flexible pen comprises a penholder (10), a pen core (20) and a rotation cap (30), should flexible adjustment group (40) be positioned at this rotation cap (30), this pen core (20) is placed in this penholder (10), and this rotation cap (30) this penholder (10) and rotating relatively is characterized in that this flexible adjustment group (40) comprising:

One outer tube (41), combined with this penholder (10);

Positioning piece (43) is tight with in this outer tube (41);

One push piece (41) is positioned at the end of this keeper (43), and relatively this keeper (43) and can before and after displacement, and engage with this pen core (20), include a projection (421) on this push piece (41); And

One revolving part (44), be positioned at the other end of this keeper (43) with respect to this push piece (41), this revolving part (44) is connected with this rotation cap (30) and can produces rotation synchronously with this rotation of rotating cap (30), this revolving part (44) has a short slot (442), this short slot (442) comprises one first breach (444) and one second breach (445) of a guiding incline (443) and rear and front end again, this revolving part (44) along this guiding incline (443) and relatively this push piece (41) has a rotating distance, this push piece (41) produces relative front and back displacement, and this projection (421) can be positioned this first breach (444) or this second breach (445) one of them, this pen core (20) then is subjected to the pushing and pressing of this push piece (41) and retraction or stretch out.

2, the flexible adjustment group that is applied to rotary flexible pen according to claim 1 is characterized in that the shape of wherein said first breach (444) or second breach (445) conforms to the shape of this projection (421).

3, the flexible adjustment group that is applied to rotary flexible pen according to claim 1, it is characterized in that wherein said outer tube (41) has an external screw thread (410), and this penholder (10) has an internal thread (13), and this external screw thread (410) locks together with this internal thread (13).

4, the flexible adjustment group that is applied to rotary flexible pen according to claim 1, an end that it is characterized in that wherein said push piece (42) has a depressed part (420), and this pen core (20) has a protuberance (21), and this protuberance (21) can fasten with this depressed part (420).

5, the flexible adjustment group that is applied to rotary flexible pen according to claim 1, the displacement that it is characterized in that wherein said projection (421) are for being limited to the structure in the limited impression (430) on this keeper (43).

6, the flexible adjustment group that is applied to rotary flexible pen according to claim 1, it is characterized in that wherein said revolving part (44) to have a fin (440) and be sticked in this keeper (43), and the end that this revolving part (44) exposes to this keeper (43) more includes the flange (441) of an external diameter greater than this keeper (43) external diameter, and locatees the position of this revolving part (44) with respect to this keeper (43).

7, the flexible adjustment group that is applied to rotary flexible pen according to claim 1, it is characterized in that wherein said pen core (20) is to pull in the top of a compression spring (12) in location and top, this compression spring (12) provides this push piece (42) required elastic force that resets.