CN201890013U

CN201890013U - Pressing type pen

Info

Publication number: CN201890013U
Application number: CN2010205779033U
Authority: CN
Inventors: 周新潮
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-10-25
Filing date: 2010-10-25
Publication date: 2011-07-06
Anticipated expiration: 2020-10-25

Abstract

The utility model relates to a pressing type pen which comprises a pressing assembly arranged at the upper end of a pen holder and a spring for providing a pen refill with an upward acting force, wherein the pressing assembly comprises a pressing sleeve and an elastic fastener, the pressing sleeve can slide up and down together with the pen refill, the elastic fastener is arranged in the pressing sleeve, and a limiting structure capable of keeping the pen refill in a popping or retracting state is arranged between the pressing sleeve and the elastic fastener; the elastic fastener is provided with a limiting block capable of being pressed, a limiting hole is correspondingly arranged on the pen holder, and the limiting block stretches out of the limiting hole in a protruding way. The pressing type pen has the following advantages: the internal structure is simple; the popping and retracting of the pen refill can be respectively realized through the operating of the pressing sleeve and the limiting block on the elastic fastener; the structure is pretty novel; moreover, the popping and retracting of the pen refill can be realized through different components, so that the service life of the pressing type pen can be prolonged to some extent.

Description

A kind of push-button type mechanical pencil

Technical field

The utility model relates to a kind of tool, specifically is a kind of push-button type mechanical pencil.

Background technology

Push-button type mechanical pencil is because its distinctive in the use convenience is very popular, and present most of propelling pencil and many ball pens all are push types.Before writing, the user only need down push the press head that is positioned at the penholder end, and the nib of pen core just can expose the penholder head, write finish after, just nib can be accepted and be hidden in penholder inside as long as press this press head once more.As seen, operation is very easy for push-button type mechanical pencil, and can protect the nib of pen core well.But, the internal structure complexity and the pressing mechanism of the shortcoming of existing this type of a push-button type mechanical pencil tool are hidden in penholder inside fully, press head just is socketed on the top of pressing mechanism, the user is accidentally easily if lose press head, just can't operate, cause whole tool normally to use pressing mechanism.Another weak point is, the ejection of pen core and withdrawal action are all finished by the operation press head, and structure is comparatively common.Therefore, be necessary this type of push-button type mechanical pencil is improved.

The utility model content

Technical problem to be solved in the utility model is the push-button type mechanical pencil that provides a kind of ejection and withdrawal action simple in structure, pen core to be operated by different parts at prior art.

The utility model solves the problems of the technologies described above the technical scheme that is adopted: this push-button type mechanical pencil comprises the press component that is arranged on the penholder upper end, and the spring that the active force that makes progress is provided to pen core, it is characterized in that: but described press component comprise that an interlock pen core slides up and down push a sleeve and an Elastic buckle, described Elastic buckle is contained in described pushing in the sleeve, and is provided with the structure of placing restrictions on that can make pen core keep ejection or retracted mode between the two; Described in addition Elastic buckle has the limited block that can Gong push, and correspondingly, penholder is provided with spacing hole, and described limited block convexedly stretches in outside this spacing hole.

Further, described Elastic buckle is the U-shaped member with first elastic arm and second elastic arm, wherein the end of first elastic arm stretches out and forms a projection, and second elastic arm extends to form described limited block laterally and is positioned at the positive stop of this limited block below; Vertically have first guide hole and second guide hole on the described corresponding sidewall of pushing sleeve, be contained in the Elastic buckle of pushing in the sleeve, projection on its first elastic arm sees through the first guide hole elasticity to being located on the inwall of penholder, limited block on second elastic arm sees through second guide hole and convexedly stretches in outside the described spacing hole, and positive stop keeps off on the diapire of second guide hole; Thus, diapire and the positive stop on second elastic arm by described second guide hole constitutes the described structure of placing restrictions on that makes pen core keep the ejection state.The diapire of the lower edge of positive stop and second guide hole offsets, and stops to push upwards slip of sleeve, and then makes pen core remain on the ejection state.

For keeping pen core to be in retracted mode, can adopt the multiple structure of placing restrictions on.Such as, one position limiting structure is set pushing sleeve inner, after positive stop breaks away from from the diapire of second guide hole, push sleeve and up slide, offset to stop by positive stop and this position limiting structure and push sleeve and continue to go up sliding.As preferably, the described pen core that makes keeps the structure of placing restrictions on of retracted mode to be made of the diapire of described second guide hole and the limited block of described second elastic arm, and when pen core was withdrawn, the limited block of the diapire of second guide hole and second elastic arm was collided.

Further, for making the withdrawal action of pushing pen core behind the limited block more sensitive, described limited block more stretches out than spacing block.Like this, limited block is pushed slightly, the positive stop that is positioned at its lower end just can break away from the diapire of second guide hole, pushes sleeve and upwards slides, the pen core withdrawal.

Described pen core with push sleeve and can adopt and flexibly connect or fixedly connected, preferred as such scheme, described inside of pushing sleeve also is provided with a jack that can connect usefulness for pen core.Pen core inserts in this jack, pen core with push sleeve and offset, both keep interlock.

Further, the described sleeve upper end of pushing is provided with a pen clip, to make things convenient for pen clip on books or pocket.

Compared with prior art, advantage of the present utility model is: this push-button type mechanical pencil internal structure is simple, by the limited block of pushing on sleeve and the Elastic buckle is operated ejection and the withdrawal that realizes pen core respectively, structure is comparatively novel, and the ejection of pen core is finished the service life that can prolong a tool to a certain extent with withdrawal by different parts.

Description of drawings

Fig. 1 is the partial sectional view of the pen core At time of eject of the utility model embodiment;

Fig. 2 is the partial sectional view after the positive stop among Fig. 1 has just broken away from second guide hole;

Fig. 3 is the partial sectional view in pen core when withdrawal of the utility model embodiment;

Fig. 4 is the three-dimensional exploded view of the utility model embodiment;

Fig. 5 is the structural representation of pushing sleeve of the utility model embodiment;

Fig. 6 is the enlarged diagram of another angle of Fig. 5;

Fig. 7 is the structure for amplifying schematic diagram of the Elastic buckle of the utility model embodiment;

Fig. 8 is the profile schematic diagram of the utility model embodiment.

The specific embodiment

Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.

As Fig. 1 to shown in Figure 8, this push-button type mechanical pencil by penholder 1, pen core 2, spring 3, push sleeve 4, Elastic buckle 5, pen head 17 and pen clip 15 are formed.Wherein:

Elastic buckle 5 is for having the U-shaped member of first elastic arm 10 and second elastic arm 11, wherein the end of first elastic arm 10 stretches out and forms a projection 12, second elastic arm 11 extends to form limited block 6 laterally and is positioned at the positive stop 13 of these limited block 6 belows, and more outside more outstanding for good than spacing block 13 with limited block 6.

The sidewall of penholder 1 is provided with the spacing hole 7 that limited block 6 is snapped in, and the size of the size of spacing hole 7 and limited block 6 is complementary.

Push sleeve 4 and be slidably mounted in the penholder 1, and top exposes to outside the penholder 1, can manually pushing.This pushes sleeve 4 vertically has strip on its corresponding sidewall first guide hole 8 and second guide hole 9, Elastic buckle 5 is contained in to be pushed in the sleeve 4, projection 12 on its first elastic arm 10 sees through first guide hole, 8 elasticity and supports and be located on the inwall of penholder 1, and the limited block 6 on second elastic arm 11 sees through second guide hole 9 and convexedly stretches in outside the spacing hole 7 on the penholder 1.

Pen core 2 with push sleeve 4 and be connected, and connection between the two can realize in several ways, wherein a kind of comparatively simply is to establish a jack 14 in the inside of pushing sleeve 4, the tail end of pen core 2 is inserted in this jack 14 get final product.Downward like this when pushing sleeve 4, can drive pen core 2 and eject downwards together; Otherwise, when bouncing back under the effect of pen core 2 at spring force, drive again and push sleeve 4 and move on together.And the setting of spring 3 and an existing tool are roughly the same, also promptly are enclosed within on the pen core 2, and pen core 2 is provided with the ring-shaped step 16 of spring 3 spacing usefulness.

The pen clip 15 of present embodiment directly is contained in the upper end of pushing sleeve 4.In the lower end of penholder 1 pen head 17 is housed also in addition.But according to the design of a different tool, these all can make different remodeling, and are not limited only to shown in the present embodiment figure.

When assembling this tool, earlier pen head 17 is contained in penholder 1 lower end, spring 3 is enclosed within the lower end of pen core 2 then, the pen core 2 of cover upper spring 3 is packed in the penholder 1, at last Elastic buckle 5 is packed into and push in the sleeve 4, push the projection 12 that is positioned on first elastic arm 10 and the limited block 6 on second elastic arm 11, first elastic arm 10 and second elastic arm 11 are all curved inwardly, can will push sleeve 4 inside, penholder 1 upper end of packing into smoothly, and move down and push sleeve 4 and make limited block 6 final spacing at the spacing hole 7 that is positioned on the penholder 1.At this moment, projection on first elastic arm 10 12 sees through first guide hole, 8 elasticity and supports and be located on the inwall of penholder 1, and the positive stop 13 on second elastic arm 11 is when being elastically against penholder 1 inwall, and the diapire with second guide hole 9 contacts again.At this moment owing to there are 13 pairs of positive stops to push stopping of sleeve 4, thereby the ejection state that pen core 2 is kept as shown in Figure 1, this moment, spring 3 was in compressive state.

Desire withdrawal pen core 2, promptly to become state shown in Figure 3 from state shown in Figure 1, as long as push limited block 6, because the projection 12 on first elastic arm 10 offsets with the madial wall of penholder 1 all the time, thereby second elastic arm 11 just bend towards first elastic arm 10, simultaneously the positive stop 13 on it also leaves the diapire of second guide hole 9.At this moment push stopping of sleeve 4 owing to removed 13 pairs of positive stops, pen core 2 and push sleeve 4 and just under the effect of spring force, move up, diapire and limited block 6 until second guide hole 9 are collided, pen core 2 withdrawals this moment, tool is in state shown in Figure 3, and this moment, positive stop 13 was elastically against on the inwall of pushing sleeve 4.

Desire ejects pen core 2, as long as push sleeve 4 downwards, make and push sleeve 4 to lower slider, when the diapire of second guide hole 9 on it is in positive stop 13 when following, the positive stop 13 on second elastic arm 11 breaks away from the inwall of pushing sleeve 4 and is against on penholder 1 inwall (from Fig. 2 to shown in Figure 1) heavily again.This moment, positive stop 13 was in the top of second guide hole, 9 diapires, unclamped after pushing the pushing of sleeve 4, and pushed diapire and the positive stop 13 that sleeve 4 promptly moves to second guide hole 9 under the effect of spring force and collided.This moment, pen core 2 can be write state for ejection.

Claims

1. push-button type mechanical pencil, comprise the press component that is arranged on penholder (1) upper end, and the upwards spring (3) of active force is provided for pen core (2), it is characterized in that: but described press component comprise that an interlock pen core (2) slides up and down push a sleeve (4) and an Elastic buckle (5), described Elastic buckle (5) is contained in described pushing in the sleeve (4), and is provided with the structure of placing restrictions on that can make pen core (2) keep ejection or retracted mode between the two; Described in addition Elastic buckle (5) has the limited block that can Gong push (6), and correspondingly, penholder (1) is provided with spacing hole (7), and described limited block (6) convexedly stretches in outside this spacing hole (7).

2. push-button type mechanical pencil according to claim 1, it is characterized in that: described Elastic buckle (5) is for having the U-shaped member of first elastic arm (10) and second elastic arm (11), wherein the end of first elastic arm (10) stretches out and forms a projection (12), and second elastic arm (11) extends to form described limited block (6) laterally and is positioned at positive stop (13) below this limited block (6); Vertically have first guide hole (8) and second guide hole (9) on the described corresponding sidewall of pushing sleeve (4), be contained in the Elastic buckle of pushing in the sleeve (4) (5), projection (12) on its first elastic arm (10) sees through first guide hole (8) elasticity to being located on the inwall of penholder (1), limited block (6) on second elastic arm (11) sees through second guide hole (9) and convexedly stretches in outside the described spacing hole (7), and positive stop (13) keeps off on the diapire of second guide hole (9); Thus, diapire and the positive stop (13) on second elastic arm (11) by described second guide hole (9) constitutes the described structure of placing restrictions on that makes pen core (2) keep the ejection state.

3. push-button type mechanical pencil according to claim 1 and 2, it is characterized in that: the described pen core (2) that makes keeps the structure of placing restrictions on of retracted mode to be made of the diapire of described second guide hole (9) and the limited block (6) of described second elastic arm (11), when pen core (2) was withdrawn, the limited block (6) of the diapire of second guide hole (9) and second elastic arm (11) was collided.

4. push-button type mechanical pencil according to claim 1 and 2 is characterized in that: described inside of pushing sleeve (4) also is provided with one and can supplies pen core (2) to connect the jack (14) of usefulness.

5. push-button type mechanical pencil according to claim 1 and 2 is characterized in that: described upper end of pushing sleeve (4) is provided with pen clip (15).