CN2561593Y

CN2561593Y - Telescopic writing tools

Info

Publication number: CN2561593Y
Application number: CN 02272079
Authority: CN
Inventors: 黎巨章; 潘顺笙
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-07-29
Filing date: 2002-07-29
Publication date: 2003-07-23
Anticipated expiration: 2012-07-29

Abstract

The utility model discloses to a retractable writing tool, which mainly solves the problems of un-convenient to carry and uncomfortable to use of the existing technique. The utility model comprises a pen core, the front of which is pen-point, a pen holder, the front of which is opened and the pen bar contains the pent core, a sliding block arranged at the back of the pen core and being able to slide along the inner cavity of the holder, a connection bar, one send of which is connected with the sliding block, a build-in gear installed inside the pen holder, the off- axis mass is connected with the connecting rod pivot mass and an external gear matching with the build-in gear and arranged inside the pen holder. Through partial axis connecting of the connection bar and the rotary built-in gear, the rotation of the build-in gear can be changed to linear movement along the pen holder. By employing the structure, the utility model is convenient for carrying, and when used, the utility model can provide people with more comport.

Description

A kind of telescopic ball-point pen

Technical field

The utility model relates to the telescopic ball-point pen, particularly ball pen that can make the pen core that is connected with nib stretch out and regain by the action of a driving mechanism from penholder end opening portion.

Background technology

In the past, a kind of push button type ballpoint pen that the nib front end is stretched out from the penholder front opening and regain is well-known.The structure of this push button type ballpoint pen is can be free to slide ball-point pen refill in the penholder, the trend that ball-point pen refill has the penholder end that makes progress to move by helical spring.The rear end of replacing core at ball pen is provided with push button pen core runner driving mechanism.Driving mechanism by the outwards outstanding button of last penholder end opening, be formed with the groove that forms between a plurality of band step ramp structure portions and the structural portion on the penholder internal face, be located at the button front end and by the runner portion that moves projection along groove, have the runner that projection and fin are setovered when mesh with runner portion and constitute, thereby this runner can rotate between groove or step.By pressing button, runner is rotated, and because helical spring and resilience with a predetermined direction, but because of the deflection of runner, the nib that makes the ball pen that is placed in the penholder replace core stretch out and regain from the penholder front opening.

Another kind of existing flexible pen is to above-mentioned similar.Its for by upper and lower penholder be laminated and rotate, make nib flexible.

The problem of above-mentioned flexible pen is, always has an outstanding button, carries inconvenience, will press the button more energetically during use, and comfort is not high.

Summary of the invention

The purpose of this utility model provides a kind of telescopic ball-point pen, and is easy to carry, and comfort is better.

For reaching above-mentioned purpose, it connects with the rotary teeth wheel shaft via connecting rod, thereby with the rotation transformation of swing pinion is the rectilinear motion of the slide block that slides along penholder.

The utility model proposes a kind of telescopic ball-point pen, comprising: a front end is the pen core of nib; A penholder that has front end opening and hold described pen core; One at the slide block that is arranged on the pen core rear end and slides along the penholder inner chamber; The pivotally connected connecting rod of one end and slide block; A built-in gear that is installed in the penholder, its off-axis is connected with connecting rod gudgeon; Be installed in the penholder and the external gear that is connected with built-in gears engaged with one.

Because a kind of telescopic ball-point pen described in the utility model, can reach the purpose that makes the nib front end from the penholder front opening, stretch out and regain by the external gear of stirring with built-in gears engaged, the length that external gear stretches out penholder is not subjected to the restriction of stroke, can design shortlyer, and the user only need stir external gear gently in use and gets final product, comparatively laborsaving, therefore structure described in the utility model is easy to carry, and user's comfort is higher.

Description of drawings

Fig. 1 is the plane external view of flexible pen of the present utility model, and wherein pen is to be in the position of regaining fully;

Fig. 2 is the profile of A-A among Fig. 1, has wherein omitted slipmat;

Fig. 3 is the profile similar to Fig. 2, and wherein pen is to be in the extended position that can write;

Fig. 4 be with Fig. 3 in profile, wherein omitted whole penholder and pen core;

Fig. 5 is Fig. 3 along the profile of the last penholder portion of B-B, has wherein omitted time penholder and pen core;

Fig. 6 is Fig. 2 along the profile of the last penholder portion of C-C.

The specific embodiment

Describe each embodiment of the present utility model with reference to accompanying drawing, same parts and same area are represented with same tag.

Fig. 1 shows that flexible pen of the present utility model is in the retracted state that can not write, wherein this pen has hollow penholder 1, it comprises the following penholder portion 11 that constitutes the last penholder portion 10 that clamps and have front end opening 13 with the two halves housing parts, on this penholder portion 10 be provided with one via groove part expose the outer external gear 2 of penholder.Also be provided with on the penholder 1 to making things convenient for penholder to be buckled in for example pen clip parts 15 of shirt bag.In addition, on the outer surface of following penholder portion 11, preferably also can be provided with the anti-sliding sleeve 16 of existing ebonite or soft rubber.

With reference to figure 2-6, be provided with/accommodate an existing refill 6 of writing in the flexible pen, the front end that narrows of this pen core 6 is the nib 61 that is used to write, and the narrowing the front end helical spring S that wears long and to be exposed to front end opening 13 of pen core 6, so the trend that has penholder end up to move because of helical spring S pen core 6; In addition, the rear end of pen core 6 preferably connects or integral body is combined with a runner 7, and this runner 7 has the turn trough 71 of a band step angled end, and this turn trough 71 can cooperate with guide mechanism 14 (see figure 6)s of fin in the penholder.In addition, on runner 7, be provided with a slide block 5, and the guide mechanism 14 of the fin on the groove 51 of this slide block 5 by self both sides and the penholder inwall cooperates and slides along the penholder inner chamber.The lower end of this slide block 5 also has the rotation drive structure that is used to make runner 7 just like being illustrated as lower inclined plane end 52, wherein when runner 7 still is in the guide mechanism 14, position as Fig. 2, runner 7 does not rotate, but when the turn trough 71 of runner 7 breaks away from guide mechanism 14, promptly as the position of Fig. 3, slightly rotate owing to the lower inclined plane end 52 of slide block 5, turn trough 71 for example shown in Figure 3 is to have turned right some.But when slide block 5 upwards slided, because the trend that the upwards penholder end of spring S moves, the turn trough of runner then imported again because of the inclined-plane of guide mechanism 14 lower ends.

The upper end of this slide block 5 is connected to a connecting rod 4 by a pivot post 51; The other end of this connecting rod 4 is then pivotally connected to a built-in gear 3 by another pivot 31, and wherein another pivot 31 is to setover with the rotating shaft center of built-in gear 3.In addition, the external gear 2 that this built-in gear 3 also is connected with a joggle and is positioned at penholder upper end in, thus when the user can clockwise or rotate counterclockwise this external gear 2, built-in gear 3 is correspondingly rotation also.

But because connecting rod 4 is pivotally connected with built-in gear 3 off-axis, and slide block 5 only can be along the penholder straight-line displacement simultaneously, thereby connecting rod 4 is the rectilinear motion of slide block 5 with the rotation transformation of built-in gear 3.Like this, when slide block 5 to holding in the works when mobile, against spring S pen core such as Fig. 2 are stretched out, and slide block is when the penholder upper end is mobile, pen core 6 can return because of the original shape power of self replying of spring S, and reaches complete retracted state as shown in Figure 3 at last, and nib 61 is regained fully.

For making quick withdrawal or stretching out nib 61, the diameter of external gear 2 is greater than built-in gear 3, thereby rotates when spending less than 180 when external gear 2, and built-in gear 3 can be converted to Fig. 2 position from the position of Fig. 3 with slide block 5, be that pen core is converted to retrieving position from stretching out writing position, vice versa.

Can find out that from Fig. 2-3 distance that extend out to withdrawal fully fully of nib is to be equal to the twice of another pivot 31 in the off-axis distance of built-in gear 3.

The center of rotation of described built-in gear 3, connecting rod 4, slide block and pen core 6 all are indulging epaxially at the penholder 1 on plane shown in Fig. 5-6, the center of external gear 2 then with penholder longitudinal axis position, thereby external gear 2 is more rotated to exposing outside, be convenient to by the user.

Can know from Fig. 4 particularly and to find out, major part of the present utility model, wherein built-in gear 3 is similar double-deck toothing, promptly in the middle of for narrowing rotating shaft, this narrows rotating shaft and fixing to built-in like this gear 3 by clamping.

The utility model is represented and is described with reference to implementing.But, should be understood that the utility model is not limited to each details of illustrated structure, can make and change and change and do not depart from the protection domain of claim of the present utility model.

For example, be arranged on the next door or for bidentate wheel drive structure etc. at external gear.Have perhaps that to make external gear be the mechanism of one-directional rotation.

Claims

1, a kind of telescopic ball-point pen comprises: the pen core (6) that front end is nib (61): a penholder (1) that has front end opening (13) and hold described pen core; It is characterized in that:

A slide block (5) that pen core (6) rear end is set and slides along the penholder inner chamber;

Pivotally connected connecting rod (4) with slide block (5);

A built-in gear (3) that is installed in the penholder, its off-axis and connecting rod (4) pivot connects

Connect; With

An external gear (2) that is installed in the penholder and is connected with a joggle with built-in gear (3).

2, a kind of telescopic ball-point pen as claimed in claim 1 is characterized in that: external gear is the upper end that is positioned at penholder.

3, a kind of telescopic ball-point pen as claimed in claim 2, it is characterized in that: slide block has groove and has projection in the penholder:

4, a kind of telescopic ball-point pen as claimed in claim 3 is characterized in that, described penholder (1) is made up of upper and lower penholder portion (11,10).

5, described a kind of telescopic ball-point pen as claimed in claim 4 is characterized in that: the described penholder portion (11) of going up is made up of the two halves housing parts.

As the described a kind of telescopic ball-point pen of one of claim 1-5, it is characterized in that 6, external gear can clockwise or rotate counterclockwise.

7, as the described a kind of telescopic ball-point pen of one of claim 1-5, it is characterized in that: described penholder is provided with pen clip parts (15).

8, as the described a kind of telescopic ball-point pen of one of claim 1-5, it is characterized in that: described penholder is provided with anti-sliding sleeve (16).

9, as one of claim 1-5 a kind of telescopic ball-point pen, it is characterized in that: described pen core (6) is provided with spring (S).

10, a kind of telescopic ball-point pen as claimed in claim 7 is characterized in that: there is a runner (7) rear end of described pen core (6), and this runner is provided with the turn trough (71) of band step angled end, and slide block (5) has lower inclined plane end (52).