CN201856511U - Mechanical pencil - Google Patents

Abstract

The utility model discloses a mechanical pencil which comprises a pencil head, a pencil holder and a pencil cap, wherein one end of the pencil holder is connected with the pencil head; an inner lead pushing device and an outer lead pushing device are arranged inside the pencil holder; the inner lead pushing device is arranged inside the outer lead pushing device for continuously outputting leads and clamping the leads; the outer lead pushing device is used for controlling the lead to extend out of the pencil head or retract into the pencil head; the pencil cap is provided with a first pressing part and a second pressing part; the inner lead pushing device is connected to the first pressing part and is actuated by the first pressing part; and the outer lead pushing device is connected to the second pressing part and is actuated by the second pressing part. The mechanical pencil can be used for automatically outputting the leads and positioning or returning the leads so as to protect the leads and prevent the lead head from being broken to cause lead waste. In addition, a sharpening device can be arranged on the pencil head for sharpening at any time.

Description

Propelling pencil

Technical field

The utility model relates to a kind of pencil, particularly a kind of propelling pencil.

Background technology

The kind of pencil has a lot, the traditional type pencil is generally Thick-head pencil, for example general Wood pencil and combined moving hair style pencil or the like, along with the raising of user demand and the development of pencil manufacturing technology, new-type propelling pencil has appearred, pencil can realize going out automatically lead and general lead for retractable pencil is thinner, belongs to thin core pattern pencil.

Above-mentioned existing various pencils respectively have superiority and are not enough, and traditional Wood pencil uses inconvenient, and it is cumbersome to cut lead for retractable pencil, and the timber of making this type of pencil consumption is more, has caused the waste of resource; Though it is combined moving hair style pencil exempted to cut at the use initial stage, still bigger to the lead for retractable pencil waste of using the later stage; New-type propelling pencil is common to be thin plumbous type, but be very easy to fracture though exempt to cut, especially obsolete the time slightly accidentally, the lead for retractable pencil that nib is protruded will fracture, this type of situation often occurs and will cause very big waste, in addition, because lead for retractable pencil is thinner, the writing degree of depth that it writes out is also lighter, the technical staff who has at this problem develops the propelling pencil of thick core, but its same lead easily broken problem that exists, in addition, thick core propelling pencil need be used sand paper, aids such as blade come the sharpening lead for retractable pencil, except trouble and unhygienic, also want the also inconvenience really of a supporting aid when using pencil, when cutting element is lost or can not find for the moment, propelling pencil can't use.

For example, No. 02100302.5 patent case of Chinese patent discloses a kind of propelling pencil, its by in penholder than sending core mechanism more forward position, setting has the slide unit of the through hole that lead for retractable pencil passes, the end that forms the clamping lead for retractable pencil that protrudes in internal diameter direction at the slide unit leading section sticks up, and the clamping part of lead for retractable pencil just is set, thereby by first and second lead for retractable pencil of clamping part clamping, to consume first lead for retractable pencil as far as possible, to drop to scrap lead core amount minimum.But; above-mentioned technical scheme still can not be avoided the problem of lead for retractable pencil frangibility; can't effectively protect plumbous head; the waste that plumbous head fractures once and caused will be far longer than the reduction effect that technique scheme is used the scrap lead core as far as possible; and above-mentioned technical scheme does not have to solve the problem of how to fine away with the plumbous head of sharpening yet.

In the face of nowadays to the convenience of pencil stationery, practicality and economy etc. require more and more higher development trend, above-mentioned traditional pencil, comprise that existing propelling pencil has exposed all drawbacks, more and more can not satisfy user's demand, need improvement badly, the product that perhaps occurs updating is to overcome the various defectives of existing pencil, Given this plant situation, the design people borrow its for many years the related-art technology experience and abundant professional knowledge, constantly research and develop improvement, and, the technical scheme of propelling pencil of the present utility model has been proposed through a large amount of practical proofs.

The utility model content

The purpose of this utility model is to provide a kind of propelling pencil, can export lead for retractable pencil and location automatically or return lead for retractable pencil so that lead for retractable pencil is protected, and prevents from that plumbous head from fractureing to cause the lead for retractable pencil waste.

Another purpose of the present utility model is to provide a kind of propelling pencil, is provided with to cut plumbous device to cut lead at any time on nib.

To achieve these goals, the utility model provides a kind of propelling pencil, comprising: nib; Pen container, the one end connects described nib, described pen container inside be equiped be used for continuing the output lead for retractable pencil in push away the lead for retractable pencil device and be used to control lead for retractable pencil that to stretch out described nib outside or be retracted into the inner extrapolation lead for retractable pencil device of described nib, push away the inside that the lead for retractable pencil device is located at described extrapolation lead for retractable pencil device in described; The cap for brush has to activate and pushes away first of lead for retractable pencil device in described and press portion and can activate second of described extrapolation lead for retractable pencil device and press portion, pushes away the lead for retractable pencil device in described and is connected in described first and presses portion, and described extrapolation lead for retractable pencil device is connected in described second and presses portion.

Above-mentioned propelling pencil wherein, pushes away the lead for retractable pencil device in described and comprises: push away the lead for retractable pencil bar in the lead for retractable pencil that is used to pack into, its lower end is connected in described first and presses portion, pushes away the lead for retractable pencil bar outside in described to convex with coil spring retaining head; Collet is located at the upper end that pushes away the lead for retractable pencil bar in described; The chuck cover is sheathed on described collet outside, and described chuck cover top protrudes out a circle flange laterally and forms chuck cover platform; In push away spring, be sheathed on the described chuck cover and the described collet outside, push away the spring upper end in described to fasten the bottom surface of overlapping platform in described chuck, the lower end fastens on described spring catch head.

Above-mentioned propelling pencil, wherein, described extrapolation lead for retractable pencil device comprises: extrapolation lead for retractable pencil bar is hollow lever, the top of described extrapolation lead for retractable pencil bar is formed for the affixed platform that pushes away the chuck cover platform of lead for retractable pencil bar in described, convexes with a circle Ka Tai laterally near its top end on the described extrapolation lead for retractable pencil bar; The extrapolation spring is sheathed on the top outer of described extrapolation lead for retractable pencil bar, and the lower end of described extrapolation spring fastens on described Ka Tai; The retaining head, be located at described extrapolation lead for retractable pencil bar lower end, described retaining head is a hollow circular cylinder, uniformly on its outer circumference face vertically is provided with many sticks, described stick runs through the whole height of described retaining head and protrudes the bottom surface of described retaining head, and it is pointed that described stick protrudes from the part of a described retaining bottom surface; Cut somebody's hair, be located at described retaining head below, described cutting somebody's hair is the cylinder of hollow, vertically be provided with a plurality of double wedges on its outer circumference face, and the tip of described double wedge is towards the top and protrude from described end face of cutting somebody's hair, it is meshing that cooperatively interacting of mutual pushing tow rotation can be taken place for described double wedge and described stick, and described lower end of cutting somebody's hair connects described second and presses portion.

Above-mentioned propelling pencil, wherein, a described retaining bottom extends to form a junction, and described connecting portion is a hollow circular cylinder, and its cross section is less than a described retaining cross section, and described connecting portion is inserted in described hollow bulb of cutting somebody's hair.

Above-mentioned propelling pencil, wherein, described pen container upper inner inwardly convexes with the retaining platform from top to bottom successively and keeps off platform down, describedly go up the retaining platform, keep off platform down and be described pen container madial wall to projecting inward annular projection, described Ka Tai is up-small and down-big round table-like, the through-hole diameter of the described platform of retaining down is less than the maximum cross-section diameter of described Ka Tai, and the bottom surface of described Ka Tai is equipped in described retaining platform down top, and described extrapolation spring upper end fastens the bottom side of going up the retaining platform in described; Described pen container bottom with in be installed with runner block on the madial wall of relative position of retaining head of the described extrapolation lead for retractable pencil device established, described runner block is used for described retaining head and cuts somebody's hair and match, described runner block is a hollow circular cylinder, vertically uniform offering on the described runner block for the many multiple tracks chutes that described stick wears, described chute equates that with the quantity of stick described runner block end face is provided with the zigzag inclined-plane.

Above-mentioned propelling pencil, wherein, described runner block and described pen container are formed in one, and described pen container inwall is fixed in perhaps described runner block bonding or blocking.

Above-mentioned propelling pencil, wherein, described pen container upper inner inwardly convexes with down the retaining platform, the described platform of retaining down is that described pen container madial wall is to projecting inward annular projection, the through-hole diameter of the described platform of retaining down is less than the diameter of section of described Ka Tai, and the bottom surface of described Ka Tai is equipped in described retaining platform down top, the inboard dismountable retaining platform spare that is equiped with of described pen container, the described retaining platform spare of going up is positioned at described retaining platform down top, and described extrapolation spring upper end fastens the bottom side of going up retaining platform spare in described; Described pen container bottom with in be installed with runner block on the madial wall of relative position of retaining head of the described extrapolation lead for retractable pencil device established, described runner block is a hollow circular cylinder, vertically uniform offering on the described runner block for the many multiple tracks chutes that described stick wears, described chute equates that with the quantity of stick described runner block end face is provided with the zigzag inclined-plane.

Above-mentioned propelling pencil, wherein, described pen container top is provided with the pen container connecting portion, and the link of described nib and pen container is provided with written connecting portion, described pen container connecting portion and written connecting portion are connected, and described nib can be made the described pen container of being connected in of axial rotation by described relatively pen container; Described written side offers one or more installation chutes, and each is installed one of the corresponding installation of chute and cuts plumbous device.

Above-mentioned propelling pencil, wherein, described pen container connecting portion is an outside snap ring, and described written connecting portion is inboard snap ring, and the convex surface of described outside snap ring and inboard snap ring is cambered surface.

Above-mentioned propelling pencil, wherein, described written connecting portion is an internal thread, and described pen container connecting portion is an external screw thread, and described external screw thread is provided with a no threaded area, and the length of described internal thread is equal to or less than the length of described no threaded area.

Above-mentioned propelling pencil, wherein, describedly cut plumbous device and comprise drive block and cut the knib sheet, described drive block is located in the described installation chute and the slip and the location of damping can be arranged in described installation chute, the side that drive block is positioned at described nib is provided with cuts the knib sheet, described cut the knib sheet and vertically vertical an angle is arranged.

Above-mentioned propelling pencil wherein, offers two described installation chutes on the described written side, being arranged on the described written side of two described installation chute symmetries.

Above-mentioned propelling pencil, wherein, the described cap for brush has cap for brush head and cap for brush shell, described cap for brush head is described first to press portion, described cap for brush shell is described second to press portion, described cap for brush head is connected in and pushes away the lead for retractable pencil device in described, and the madial wall of described cap for brush shell is arranged in the end of described extrapolation lead for retractable pencil device.

From the above, propelling pencil of the present utility model has following advantage and characteristics:

1, propelling pencil of the present utility model is by pushing away lead for retractable pencil device and extrapolation lead for retractable pencil device in being provided with; thereby can realize the automatic output of lead for retractable pencil at diverse location; and when not using, can return lead for retractable pencil; cause waste to protect plumbous head to avoid its accident to fracture; lead head is retracted in the nib, when carrying, also can make dirty or puncture clothing.

2, propelling pencil nib of the present utility model is provided with and cuts plumbous device, matching relationship by nib and pen container front end screw thread, thereby feasible nib can be in pen container front end rotation by cutting the plumbous device plumbous head of fining away, so that follow-up use, and cut plumbous device and propelling pencil and be assembled into one, easy to carry, can use at any time, can not go out situations such as active yet.

3, the propelling pencil cap for brush of the present utility model comprises that partly first presses portion and second and press portion, first press portion with in push away the lead for retractable pencil device and be connected, second portion that presses is connected with extrapolation lead for retractable pencil device, to push away, to extrapolate the lead for retractable pencil device in pressing respectively, thereby realize the location output of lead for retractable pencil and return the cap for brush, simple in structure and simple and convenient.

4, propelling pencil of the present utility model can use careless lead for retractable pencil, also can use thin core lead for retractable pencil, and can make the pencil of respective model according to the different model of lead core diameter, the lead for retractable pencil of same diameter can be numbered according to property sorts such as its length, soft durometer, color, material, purposes, the user buys propelling pencil according to required lead for retractable pencil model, or changes lead for retractable pencil according to the pencil model, and is very convenient, applied widely, help standardized production.

5, propelling pencil of the present utility model has had the plurality of advantages of traditional pencil, new type auto pencil, thick core and thin pencil etc. concurrently on function; and further possess functions such as lead for retractable pencil protection and lead for retractable pencil sharpening; make propelling pencil of the present utility model become a kind of product of update, can substitute existing various pencil.

Description of drawings

The following drawings only is intended to the utility model done and schematically illustrates and explain, does not limit scope of the present utility model.

Fig. 1 is the utility model propelling pencil overall appearance schematic diagram;

Fig. 2 is the utility model propelling pencil whole interior organigram;

Fig. 3 pushes away lead for retractable pencil apparatus structure schematic diagram in the utility model propelling pencil;

Fig. 4 is the utility model propelling pencil extrapolation lead for retractable pencil apparatus structure and runner block schematic diagram;

Fig. 5 A is the utility model propelling pencil pen container schematic diagram that is threaded with nib;

Fig. 5 B is the utility model propelling pencil pen container and written snap ring connection diagram;

Fig. 6 cuts plumbous device schematic diagram for the utility model propelling pencil;

Fig. 7 A is the utility model propelling pencil through type runner block schematic diagram;

Fig. 7 B is the non-through type runner block of a utility model propelling pencil schematic diagram;

Fig. 8 is the whole interior organigram of the utility model propelling pencil embodiment two.

Description of reference numerals:

100 propelling pencils

200 lead for retractable pencils

1 nib

11 connecting portions

12 nib mouths

121 damping chucks

13 install chute

14 cut plumbous device

141 drive blocks

1411 necks

1412 pushing parts

142 cut the knib sheet

15 joint lead sleeves

2 pen containers

21 connecting portions

211 no threaded area

Keep off platform on 22

22 ' goes up retaining platform spare

23 times retaining platforms

24 runner blocks

241 chutes

25 pen container cards end platform

3 caps for brush

33 cap for brush heads

34 cap for brush shells

341 cap for brush cards end platform

Push away the lead for retractable pencil device in 4

Push away the lead for retractable pencil bar in 41

42 collets

43 chuck covers

431 chucks cover platform

44 spring catch heads

Push away spring in 45

5 extrapolation lead for retractable pencil devices

51 extrapolation lead for retractable pencil bars

52 platforms

53 Ka Tai

54 extrapolation springs

55 retaining heads

551 sticks

552 connecting portions

56 cut somebody's hair

561 double wedges

The specific embodiment

Understand for technical characterictic of the present utility model, purpose and effect being had more clearly, now contrast the description of drawings specific embodiment of the present utility model, in order to make explanation clear more concrete, at first select for use the situation of using thick core lead for retractable pencil propelling pencil of the present utility model to be described as preferred embodiment, but one of ordinary skill in the art should be appreciated that propelling pencil of the present utility model and is not restricted to use the lead bullion core that thin type lead for retractable pencil can be suitable for equally.

Embodiment one:

Please in conjunction with reference to figure 1 and Fig. 2, wherein Fig. 1 is the utility model propelling pencil overall appearance schematic diagram, Fig. 2 is the whole interior organigram of the utility model propelling pencil embodiment one, as shown in the figure, propelling pencil 100 of the present utility model mainly comprises nib 1, pen container 2, the cap for brush 3, nib is installed on the front end of pen container 2, the cap for brush 3 is installed on the rear end of pen container 2, thereby the nib of making, pen container, the cap for brush constitutes the form of a stroke or a combination of strokes outward appearance of whole propelling pencil 100, in being equiped with, pen container 2 inside push away lead for retractable pencil device 4 and extrapolation lead for retractable pencil device 5, in being loaded on, lead for retractable pencil 200 pushes away in the lead for retractable pencil device 4, in push away the inside that lead for retractable pencil device 4 is installed in extrapolation lead for retractable pencil device 5, and with extrapolation lead for retractable pencil device Joint, in push away lead for retractable pencil device 4 and be mainly used in lasting output lead for retractable pencil 200 and clamp lead for retractable pencil 200, extrapolation lead for retractable pencil device 5 then is used to control lead for retractable pencil 200 and stretches out nib 1 and locate or be retracted into written 1 inside, in push away lead for retractable pencil device 4 and extrapolation lead for retractable pencil device 5 and be connected to first of the cap for brush 3 and press portion and second and press portion, and press portion and second by first and press that part is unique to push away lead for retractable pencil device 4 and extrapolation lead for retractable pencil device 5 in moving.

In the explanation of following examples, clearer in order to make description, except that specifying, all give tacit consent to propelling pencil 100 and vertically place up for nib.

Please refer to Fig. 3, for pushing away lead for retractable pencil apparatus structure schematic diagram in the utility model propelling pencil, as shown in the figure, in push away lead for retractable pencil device 4 and push away lead for retractable pencil bar 41 in including, it is the tubulose body of rod of hollow, inside can hold lead for retractable pencil 200, in push away lead for retractable pencil bar 41 1 ends (i.e. " lower end ") and be connected in first of the cap for brush 3 and press portion and be subjected to its control and driving, press the syndeton and the drive principle of portion about the interior lead for retractable pencil bar 41 that pushes away with the cap for brush first, comparatively common, can realize driving function such as a direct area greater than the interior briquetting that pushes away lead for retractable pencil bar 41 sectional areas, concrete structure does not repeat them here; In push away lead for retractable pencil bar 41 the other end (i.e. " upper end ") be provided with collet 42, identical with existing propelling pencil, it is horn-like that collet 42 is substantially, the cross section is generally rounded, and with interior to push away the end cross-sectional area that lead for retractable pencil bar 41 is connected less, the other end is bigger, it vertically is split into a plurality of identical flap parts, form collet 42 jointly by these several flap parts, because its detailed structure has been the common technique of this area, so do not repeat them here; Collet 42 outer cover are provided with chuck cover 43, and chuck cover 43 is inverted round table-like, and just the sectional area of its upper end is big, and the sectional area of lower end is little, and chuck overlaps 43 tops and protrudes out a circle flange laterally and form chuck cover platform 431; In push away a end that lead for retractable pencil bar 41 links to each other with collet 42 and also convex with coil spring retaining 44, push away spring 45 between spring catch head 44 and chuck cover platform 431, being provided with, in push away spring 45 the upper end fasten in the bottom surface of chuck cover platform 431, the lower end fastens on spring catch head 44, in push away that spring 45 is sheathed on collet 42 and chuck overlaps 43 outsides.

Please refer to Fig. 4 below, be the utility model propelling pencil extrapolation lead for retractable pencil apparatus structure and runner block schematic diagram, and in conjunction with reference to figure 2, as shown in the figure, in push away the inside that lead for retractable pencil device 4 is arranged at extrapolation lead for retractable pencil device 5, the two can be regarded as sheathed mutually, extrapolation lead for retractable pencil device 5 includes extrapolation lead for retractable pencil bar 51, and it is the tubulose body of rod of hollow, and inside is used for pushing away lead for retractable pencil device 4 in ccontaining, the top of extrapolation lead for retractable pencil bar 51 forms platform 52, be used for in push away chuck cover platform 431 Joints of lead for retractable pencil bar 41; Convex with a circle card platform 53 laterally near its top end on the extrapolation lead for retractable pencil bar 51, be used to fasten extrapolation spring 54, card platform 53 horizontal loops are located at extrapolation lead for retractable pencil bar 51 outsides, are up-small and down-big round table-like, and just its side is the inclined plane; Extrapolation spring 54 is sheathed on the outside at extrapolation lead for retractable pencil bar 51 tops, and its lower end fastens on card platform 53.

The lower end of extrapolation lead for retractable pencil bar 51 is by retaining 55 and cut somebody's hair and 56 be connected in second of the cap for brush 3 and press portion, and be subjected to second control and the driving of pressing portion, because the function of extrapolation lead for retractable pencil device 5 is control lead for retractable pencils 200 stretches out or returns nib 2, be similar to the function of common expansion ball pen, so an end that is connected with the cap for brush 3 at extrapolation lead for retractable pencil bar 51 is provided with the flexible detent mechanism that is similar to existing expansion ball pen, be provided with retaining 55 in extrapolation lead for retractable pencil bar 51 lower ends, retaining 55 is a hollow circular cylinder, what be evenly distributed on its outer circumference face vertically is provided with many stick 551, stick 551 runs through the whole height of retaining 55 and protrudes the bottom surface of retaining 55, it is pointed that stick 551 protrudes from the part of keeping off 55 bottom surface, the also extensible formation a junction 552 in retaining 55 bottom, this connecting portion 552 also is the cylinder of hollow, and its cross section is less than the cross section of retaining 55; Below retaining 55, be provided with and cut somebody's hair 56, the same with retaining 55, cut somebody's hair 56 also is the cylinder of a hollow, and uniformly on the outer circumference face vertically be provided with a plurality of double wedges 561, and the tip of double wedge 561 is towards the top and protrude from 56 the end face of cutting somebody's hair, as shown in Figure 4, double wedge 561 cooperatively interacts meshing with the stick 551 that keeps off 55 arranged outside and mutual pushing tow can take place and rotates, and it is identical with the flexible detent mechanism of existing ball pen about double wedge 561 with the routing motion structure and the principle of stick 551, be the technology of comparative maturity, just repeat no more at this, connecting portion 552 can be inserted in 56 the hollow bulb of cutting somebody's hair, thereby make and cut somebody's hair 56, connecting portion 552, the hollow bulb of retaining 55 and extrapolation lead for retractable pencil bar 51 connects, and pushes away lead for retractable pencil device 4 with integral body in ccontaining.Cut somebody's hair 56 lower end can directly connect second of the cap for brush 3 and presses portion and be subjected to its control and driving.

Refer again to Fig. 2 below, pen container 2 inside of the utility model propelling pencil 100 be installed with extrapolation lead for retractable pencil device 5 and in push away lead for retractable pencil device 4, the top of pen container 2 is provided with connecting portion 21, be connected so that match with nib 1 connecting portion 11, make nib 1 can be connected in pen container 2 and relatively pen container make axial rotation, connecting portion 21 can be external screw thread, and be provided with a no threaded area 211 at externally threaded middle part, please refer to Fig. 5 A, be the utility model propelling pencil pen container schematic diagram that is threaded with nib, no threaded area 211 is separated into two parts up and down with externally threaded threaded portion, and the connecting portion 11 of nib 1 is arranged at written lower end, its end that is connected with pen container 2 just, connecting portion 11 correspondences be internal thread, and the length of internal thread is equal to or less than the length of no threaded area 211, like this when internal thread rotates to no threaded area 211, to there be external screw thread and screw-internal thread fit, thereby nib 1 can freely be rotated in the no threaded area of pen container 2 upper ends, produce " idle running " phenomenon, phenomenon whereby dallies, the lead for retractable pencil of can fining away has been cut lead for retractable pencil and only need have been continued downward precession nib 1, nib 1 is fixed in pen container 2 ends gets final product.According to above-described embodiment, those skilled in the art can be easier to associate, in order to produce the idle running phenomenon, no threaded area 211 is not limited to be arranged at externally threaded middle part, and it also can be arranged at externally threaded top, equally when internal thread rotates to no threaded area 211, to produce idle running, when having cut lead for retractable pencil, only need to continue downward precession nib 1, nib 1 is fixed in pen container 2 ends gets final product.In addition, no threaded area also can be arranged at externally threaded bottom, and is same, when internal thread rotates to no threaded area, can produce " idle running ", thereby volume is cut lead for retractable pencil.

In another preferred version, please refer to Fig. 5 B, be the utility model propelling pencil pen container and written snap ring connection diagram, the connecting portion 21 of pen container 2 is an outside snap ring, the connecting portion 11 of nib 1 is an inboard snap ring, the convex surface of outside snap ring and inboard snap ring is cambered surface, when nib 1 is connected with pen container 2, firmly push nib 1 to pen container 2, two snap rings produce the strain of trace, make inboard snap ring cross outside snap ring and be equipped in the downside of outside snap ring, nib 1 promptly can not break away from pen container 2 and can be in pen container 2 top axials rotations like this, thereby can fine away lead for retractable pencil.

Please continue with reference to figure 2, pen container 2 upper inner inwardly convex with retaining platform 22 from top to bottom successively and keep off platform 23 down, on, keep off platform down and be pen container 2 madial walls to projecting inward annular projection, its center throughhole portions can be passed through for extrapolation lead for retractable pencil bar, the through-hole diameter that keeps off platform 23 down is slightly less than the maximum cross-section diameter (bottom surface diameter just) of extrapolation lead for retractable pencil device card platform 53, during installation, the lead for retractable pencil device 5 of will extrapolating firmly upwards pushes away, because card platform 53 is up-small and down-big round table-like, the strain of trace will take place and force to pass down the through hole that keeps off platform 23 in card platform 53 when exerting oneself ejection, and be equipped in down the retaining platform 23 the top, the upper end of extrapolation spring 54 fastens in the bottom side of last retaining platform 22, like this, extrapolation lead for retractable pencil device 5 just can not deviate from from pen container 2.

Pen container 2 bottoms with in be installed with runner block 24 on the madial wall of retaining 55 relative position of the extrapolation lead for retractable pencil device 5 established, runner block 24 can be formed in one with pen container 2, perhaps runner block 24 is fixed in pen container 2 inwalls for later stage bonding or blocking, its affixed mode is not done qualification, the runner block structure can be with reference to shown in Figure 4, runner block 24 is used for cooperating to form the flexible detent mechanism of above-mentioned existing expansion ball pen with the retaining of extrapolation lead for retractable pencil device 5 55, runner block 24 is the cylinder of hollow, its hollow space promptly is used for the extrapolation lead for retractable pencil device 5 of ccontaining inside, runner block 24 is divided into a plurality of fritters by vertical uniform multiple tracks chute of offering 241 on it, a plurality of fritters are fixedly arranged on pen container 2 inwalls respectively, multiple tracks chute 241 is used for wearing for many sticks 551 of retaining 55 arranged outside, chute 241 equates with the quantity of stick 551, thereby when retaining 55 rotates to the relative position of stick 551 and chute 241, stick 551 can pass chute 241, extrapolation lead for retractable pencil device 5 relative pen containers 2 can be moved up and down, just realized the Telescopic of existing expansion ball pen.The end face of runner block 241 is the same with the structure of existing ball pen to be provided with jagged inclined-plane, when stick 551 when chute 241 slides to runner block 24 tops, retaining 55 continues to turn over certain angle under 56 the effect of cutting somebody's hair and can be equipped on the jagged inclined-plane of runner block, realize the location, this process is identical with existing expansion ball pen, so detail content repeats no more.

In addition, runner block 24 can adopt two kinds of through type and non-through types, shown in Fig. 7 A and Fig. 7 B, wherein Fig. 7 A is the utility model propelling pencil through type runner block schematic diagram, Fig. 7 B is the non-through type runner block of a utility model propelling pencil schematic diagram, in the prior art, modal is non-through type runner block, the stick 551 of retaining 55 and 56 the double wedge 561 of cutting somebody's hair all are arranged in the chute 241 of top, stopper section, deviate from from runner block to avoid the two, because the extrapolation lead for retractable pencil bar top of extrapolation lead for retractable pencil device 5 is provided with card platform 53 in the utility model, it need be installed from bottom to up and be arranged in down on the retaining platform 23, so when adopting non-through type runner block, extrapolation lead for retractable pencil Unit Installation order should have certain requirement, that is to say, should earlier extrapolation lead for retractable pencil device 5 be installed on pen container 2 inside, below extrapolation lead for retractable pencil bar 51, set retaining 55 successively and cut somebody's hair 56, and then with the installing of non-through type runner block and be fixed in the pen container, such as can adopt common card establish or viscose glue bonding, otherwise extrapolation lead for retractable pencil device can't be realized installation by non-through type runner block;

And when adopting the through type runner block, because the chute on the runner block is what connect, so retaining 55 and cut somebody's hair and 56 can directly pass chute and realize installing, that is to say and there is no need to install earlier extrapolation lead for retractable pencil device 5, and then installation runner block, the through type runner block can be integrally formed in the inwall of pen container fully, but retaining 55 and cut somebody's hair 56 and future will with second portion of pressing of 56 caps for brush that are connected 3 of cutting somebody's hair might be from chute reverse skidding off, for fear of this problem, those skilled in the art should expect, can be convexly equipped with a circle only platform of card of cutting somebody's hair in 56 the outside of cutting somebody's hair, end platform and on the madial wall of pen container 2, inwardly be convexly equipped with a circle pen container card, the card of cutting somebody's hair ends decometer and is formed on the top that the pen container card ends platform, thus avoid cutting somebody's hair 56 and retaining 55 in pen container, deviate from; Another preferred scheme, 56 will be connected with second portion of pressing of the cap for brush 3 owing to cut somebody's hair, and in general, the shell of the cap for brush will be sheathed on the outside of pen container, end platform 341 (please in conjunction with reference to figure 2) so also can on the madial wall of cap for brush shell, inwardly be convexly equipped with a circle cap for brush card, end platform 25 and on the lateral wall of pen container, outwards be convexly equipped with a circle pen container card accordingly, cap for brush card ends platform 341 and is equipped in the top that the pen container card ends platform 25, thereby the cap for brush that can avoid linking together, cutting somebody's hair and keeping off head comes off from pen container.

Above-mentioned non-through type runner block is an existing structure, and the through type runner block only is flexible a little on non-through type runner block, and those skilled in the art should be readily appreciated that, this just no longer being described more.

Under request in person in conjunction with referring to figs. 2 and 6, wherein Fig. 6 cuts plumbous device schematic diagram for the utility model propelling pencil, as shown in the figure, nib 1 is coniform, its top offers the nib mouth 12 that wears for lead for retractable pencil 200, nib mouth 12 can embedded hollow damping chuck 121, be used to strengthen and plumbous frictional force and stability.The position that nib 1 bottom is connected with pen container 2 is provided with above-mentioned written connecting portion 11, and the connecting portion 11 of nib is put down in writing above having with the structure of the connecting portion 21 of pen container and matching relationship, in this no longer repeat specification.Upper edge, the side conical surface direction of nib 1 vertically offers one or more chute 13 is installed, be used to install one or more and cut plumbous device 14, each is cut plumbous device 14 correspondences and is installed on the installation chute 13, in this preferred embodiment, offering two 13, two of installation chutes on nib 1 side installs on the conical surface that is arranged at nib 1 of chute 13 symmetries.Cut plumbous device 14 lead for retractable pencil 200 that is used to fine away, it mainly comprises drive block 141 and cuts knib sheet 142, drive block 141 is located in the slip of installing in the chute 13 and damping can be arranged in chute 13 is installed, 13 pairs of drive blocks 141 of chute are installed the frictional damping effect is arranged, thereby drive block can move in chute 13 is installed and locate at any time, drive block 141 is positioned at a nib side of 1 and is provided with and cuts knib sheet 142, two cut that angle is an acute angle between the knib sheet 142, cut knib sheet 142 and have certain inclination angle, space, that is to say, cut knib sheet 142 and vertically vertical an angle is arranged, and preferably cut knib sheet 142 upper ends and also depart from a bit of distance in lead for retractable pencil 200 axis, thereby cut knib sheet 142 upper ends when contacting with lead for retractable pencil 200, be not that knife face directly contacts perpendicular to the cambered surface of lead for retractable pencil, but blade deflection a little, like this, when cutting lead for retractable pencil, promoting two drive blocks makes on two blades and moves, arrive volume and cut the position, two blades can have certain micro-spacing between the upper end, and lead for retractable pencil 200 is exactly to be placed in this micro-spacing, and cut lead for retractable pencil 200 when blade with the nib rotation this moment, and blade will be the state that a kind of volume is cut lead for retractable pencil.Like this, promote drive block 141, it is moved in chute 13 is installed, can change the two folder distances of cutting between the knib sheet 142, that is to say, can regulate according to the thickness and the position of lead for retractable pencil 200, make and cut knib sheet 142 and can be positioned at suitable position lead for retractable pencil is cut, after having cut, move down drive block 141, make and cut knib sheet 142 and back off, and then, write or the like by pushing away lead for retractable pencil device 4 in above-mentioned and 5 pairs of lead for retractable pencils of extrapolation lead for retractable pencil device are adjusted.

In addition, more specifically, drive block 141 has a neck 1411 and pushing part 1412 in the present embodiment, neck 1411 cross sections are less, it can be located in the slip of installing in the chute 13 and damping being arranged in chute 13 is installed, neck is positioned at nib 1 an outer side and is provided with pushing part 1412, pushing part 1412 mainly is the operation of being convenient to staff, pushing part 1412 also can produce certain frictional damping in the nib outside simultaneously, can make that the location of cutting plumbous device 14 is more stable, neck is positioned at a nib side of 1 and is provided with and cuts knib sheet 142, and its set-up mode is same as described above, does not repeat them here.

When nib 1 be provided with a plurality of when cutting plumbous device 14, a plurality of uniform sides that are arranged at nib 1 of plumbous device 14 of cutting.

Please refer to Fig. 1 and Fig. 2 again, the cap for brush 3 is arranged at the lower end of whole propelling pencil, as mentioned above, the cap for brush 3 comprises that first presses portion and second and press portion, first portion that presses be connected respectively with second portion of pressing and activate in push away lead for retractable pencil device 4 and extrapolation lead for retractable pencil device 5, in the present embodiment, the cap for brush 3 comprises a cap for brush head 33 and cap for brush shell 34, cap for brush head 33 is sheathed in the cap for brush shell 34, but separate setting with cap for brush shell 34, cap for brush head 33 cap for brush shell 34 relatively moves freely at vertical direction, the bottom that pushes away lead for retractable pencil device 4 in cap for brush head 33 connects, in particular, it is the bottom that pushes away lead for retractable pencil bar 41 in being connected in, when the user presses cap for brush head 33, in can driving, it pushes away 4 actions of lead for retractable pencil device, realize continuing the output lead for retractable pencil; Cap for brush shell 34 then is connected in extrapolation lead for retractable pencil device 5, in particular, be to be connected in to cut somebody's hair 56 in the extrapolation lead for retractable pencil device 5, when the user presses cap for brush shell 34, cap for brush shell 34 56 activates retaining 55 by cutting somebody's hair, and cooperates chute fast 24, produces as the stretching motion of existing expansion ball pen, make 5 actions of extrapolation lead for retractable pencil device, realize stretching out in lead for retractable pencil outside the nib or being retracted in the nib.That is to say that in the present embodiment, cap for brush head 33 is first and presses portion, press portion and cap for brush shell is second.

About cap for brush head 33 with in push away lead for retractable pencil device 4, the connected mode of cap for brush shell 34 and extrapolation lead for retractable pencil device 5, there is multiple common mode to select, such as, cap for brush head 33 with in push away lead for retractable pencil device 4 and be connected and can be directly affixed or dismountable connection (as shown in Figure 3), cap for brush shell 34 is connected the end that the madial wall that can be cap for brush shell 34 directly is arranged in extrapolation lead for retractable pencil device 5 with extrapolation lead for retractable pencil device 5, be arranged in 56 the lower end of cutting somebody's hair specifically, the madial wall of cap for brush shell 34 can be designed to the inclined-plane, thereby better promote extrapolation lead for retractable pencil device, perhaps be provided with a Nei Katai in the cap for brush shell, cut somebody's hair 56 by card decometer system in this, 56 move thereby cut somebody's hair.Above connected mode is all comparatively common, and the connected mode that can be suitable for is varied, and all known and skilled application for those skilled in the art of these connected modes, so give unnecessary details no longer one by one at this.

In addition, an accommodation space also can be set in order to ccontaining erasing rubber on cap for brush head 33, it has been the comparatively common structure in this area, so no longer describe in detail.

Embodiment two:

Please in conjunction with reference to figure 8, whole interior organigram for the utility model propelling pencil embodiment two, the propelling pencil 100 of embodiment two is all identical with most of structure of the foregoing description one, difference is: the retaining platform is an independently last retaining platform spare 22 ' on the pen container in the present embodiment, last retaining platform spare 22 ' dismountable pen container upper inner wall that is installed on, retaining platform 22 is identical on the pen container of its installation site and role and embodiment one, and difference only is and can dismantles on pen container.Last retaining platform spare 22 ' can be common being threaded with the connected mode of pen container inwall.The detachable design of going up retaining platform spare 22 ' by present embodiment, when being installed in pen container 2, just can above pen container 2, inwardly install in extrapolation lead for retractable pencil device 5, specifically, inwardly pack into successively from the top of pen container 2 and to cut somebody's hair 56, retaining 55 and extrapolation lead for retractable pencil bar 51, because do not go up stopping of retaining platform this moment, the card platform 53 of extrapolation lead for retractable pencil bar can not stopped, and can directly be equipped in down the top that keeps off platform 23, this kind situation card platform 53 also need not with embodiment one in be all mutually up-small and down-big round table-like, the standard round platform of being designed to gets final product, then, pack into the extrapolation spring 54, the lower end of spring is resisted against on the card platform 53, afterwards, packs into and go up retaining platform spare 22 ', retaining platform spare 22 ' is fixed on the madial wall of pen container, the top of retaining platform 23 under being positioned at, the upper end of extrapolation spring 54 is resisted against the bottom side of retaining platform spare 22 ', thereby finishes the installing of extrapolation lead for retractable pencil device 5 and pen container 2.Other structures of present embodiment and action effect are all identical with the above embodiments one, do not repeat them here.

The operation principle and the simple application embodiment of the utility model propelling pencil are described below in conjunction with above-mentioned each figure, at first, pushing away lead for retractable pencil device 4 in inciting somebody to action is placed in the extrapolation lead for retractable pencil device 5, chuck cover platform 431 is fixedly arranged on the platform 52 of extrapolation lead for retractable pencil device, thus will in push away lead for retractable pencil device 4 and extrapolation lead for retractable pencil device 5 Joints; The lead for retractable pencil device of will extrapolating afterwards is installed in the pen container 2, enforce the through hole that extrapolation lead for retractable pencil device 5 makes card platform 53 that micro-strain take place and forces to pass down retaining platform 23, make card platform 53 be equipped in down the top of retaining platform 23, extrapolate the simultaneously upper end of spring 54 fastens in the bottom side of last retaining platform 22, and the lower end fastens on card platform 53; The upper end that nib 1 is installed on pen container 2, by written connecting portion 11 and being connected that pen container connecting portion 21 matches, make nib 1 be connected in pen container 2 and relatively pen container make axial rotation (as described in the above embodiments); Then, interior lead for retractable pencil device 4 and the extrapolation lead for retractable pencil device 5 of pushing away pressed portion's (as above-mentioned cap for brush head) and second with first of the cap for brush respectively and pressed portion's (as above-mentioned cap for brush shell) and be connected, finish propelling pencil 100 thereby assemble.

When the user will continue to export lead for retractable pencil, only need press first presses portion, because chuck cover 43 is fixed in extrapolation lead for retractable pencil device 5, in push away lead for retractable pencil device 4 collet 42 will stretch out chuck cover 43, next to go out plumbous principle identical with existing propelling pencil, lead for retractable pencil 200 is continuable output, thereby finishes the actuating that first portion of pressing internally pushes away the lead for retractable pencil device; When the user will stretch out or return lead for retractable pencil, as above-mentioned, only need press second presses portion, drive extrapolation lead for retractable pencil device 5, similar with existing expansion ball pen action mechanism, second portion of pressing activates and cuts somebody's hair 56, the 56 meshing structures by double wedge 561 and stick 551 of cutting somebody's hair make retaining 55 mobile and rotate pen container 2 in, when stick 551 is relative with chute 241 positions of runner block 24, stick 551 will pass the chute of runner block, retaining 55 and extrapolation lead for retractable pencil bar 51 be moved up, as shown in Figure 2, when stick 551 passes completely through chute 241, it turns over an angle with continuing and the serrated face that is equipped in the runner block end face, realizes the location, at this moment, extrapolation spring 54 is compressed by card platform 53 and last retaining platform 22, and lead for retractable pencil 200 stretches out in the nib mouth 12 of nib 1; If will return lead for retractable pencil 200, only need press second once more and press portion, promote retaining 55 and make stick 551 break away from the fast serrated faces of chute and by withdrawing from the extrapolation spring reset in the chute 241, it is inner that lead for retractable pencil 200 returns to nib, presses the actuating of portion to extrapolation lead for retractable pencil device thereby finish second.

When the user need fine away lead for retractable pencil, it at first is the embodiment explanation of interior outside snap ring with written connecting portion and pen container connecting portion, the drive block 141 of plumbous device 14 is cut in promotion, it along being installed, is moved by chute 13, and the knib sheet 142 of cutting that drives on it moves in nib inside, regulate the relative position of blade and lead for retractable pencil 200 in this way, make its lead for retractable pencil 200 that is suitable for fining away, then, rotate nib 1, it is first with rotating with random notes to cut knib sheet 142, and the blade of blade will cut around the lead for retractable pencil rotation and to it, realized cutting plumbous function, cut lead and finish, mobile once more drive block 141 is as shown in Figure 2 for moving down drive block 141, blade is left cut plumbous position, so that follow-up normal use; Be that external screw thread and the embodiment that has no threaded area in the middle are that example describes with the pen container connecting portion again, at first, the turn nib, make the internal thread of nib move to externally threaded no threaded area, like this nib just relatively pen container make axial rotation freely, then, the same as described above adjusting cut plumbous device 14 to the appropriate location, the turn nib is cut lead, cut to return after lead finishes and cut plumbous device, the turn nib is meshing with each other the external screw thread of written internal thread and pen container and nib is fixed on the pen container for follow-up normal use.

What be worth proposition is, can also be provided with a joint lead sleeve 15 in the inside of nib 1, when old lead for retractable pencil will use up, in will breaking away from, its afterbody pushes away the lead for retractable pencil device, at this moment the afterbody of old lead for retractable pencil is inserted an end of joint lead sleeve 15, and the head of new lead for retractable pencil is inserted the other end that saves lead sleeve 15, make new and old lead for retractable pencil connect into an integral body, Can Yu old lead for retractable pencil just can be fully utilized like this, cuts the waste.When the needs volume is cut new lead for retractable pencil, take off joint lead sleeve 40 and get final product.

In addition, those skilled in the art should understand, and propelling pencil of the present utility model comprises common thin type lead for retractable pencil applicable to the lead for retractable pencil of any thickness degree, certainly, when using thin type lead for retractable pencil, needn't be provided with on nib again and cut plumbous device.

The above only is the schematic specific embodiment of the utility model, is not in order to limit scope of the present utility model.Any those skilled in the art, equivalent variations of having done under the prerequisite that does not break away from design of the present utility model and principle and modification all should belong to the scope that the utility model is protected.

Claims (13)

1. a propelling pencil is characterized in that, described propelling pencil comprises:

Nib;

Pen container, the one end connects described nib, described pen container inside be equiped be used for continuing the output lead for retractable pencil in push away the lead for retractable pencil device and be used to control lead for retractable pencil that to stretch out described nib outside or be retracted into the inner extrapolation lead for retractable pencil device of described nib, push away the inside that the lead for retractable pencil device is located at described extrapolation lead for retractable pencil device in described;

The cap for brush has to activate and pushes away first of lead for retractable pencil device in described and press portion and can activate second of described extrapolation lead for retractable pencil device and press portion, pushes away the lead for retractable pencil device in described and is connected in described first and presses portion, and described extrapolation lead for retractable pencil device is connected in described second and presses portion.

2. propelling pencil according to claim 1 is characterized in that, pushes away the lead for retractable pencil device in described to comprise:

Be used to pack into lead for retractable pencil in push away the lead for retractable pencil bar, its lower end is connected in described first and presses portion, pushes away the lead for retractable pencil bar outside in described to convex with coil spring retaining head;

Collet is located at the upper end that pushes away the lead for retractable pencil bar in described;

The chuck cover is sheathed on described collet outside, and described chuck cover top protrudes out a circle flange laterally and forms chuck cover platform;

In push away spring, be sheathed on the described chuck cover and the described collet outside, push away the spring upper end in described to fasten the bottom surface of overlapping platform in described chuck, the lower end fastens on described spring catch head.

3. propelling pencil according to claim 2 is characterized in that, described extrapolation lead for retractable pencil device comprises:

Extrapolation lead for retractable pencil bar is hollow lever, and the top of described extrapolation lead for retractable pencil bar is formed for the affixed platform that pushes away the chuck cover platform of lead for retractable pencil bar in described, convexes with a circle Ka Tai laterally near its top end on the described extrapolation lead for retractable pencil bar;

The extrapolation spring is sheathed on the top outer of described extrapolation lead for retractable pencil bar, and the lower end of described extrapolation spring fastens on described Ka Tai;

The retaining head, be located at described extrapolation lead for retractable pencil bar lower end, described retaining head is a hollow circular cylinder, uniformly on its outer circumference face vertically is provided with many sticks, described stick runs through the whole height of described retaining head and protrudes the bottom surface of described retaining head, and it is pointed that described stick protrudes from the part of a described retaining bottom surface;

Cut somebody's hair, be located at described retaining head below, described cutting somebody's hair is the cylinder of hollow, vertically be provided with a plurality of double wedges on its outer circumference face, and the tip of described double wedge is towards the top and protrude from described end face of cutting somebody's hair, it is meshing that cooperatively interacting of mutual pushing tow rotation can be taken place for described double wedge and described stick, and described lower end of cutting somebody's hair connects described second and presses portion.

4. propelling pencil according to claim 3 is characterized in that, a described retaining bottom extends to form a junction, and described connecting portion is a hollow circular cylinder, and its cross section is less than a described retaining cross section, and described connecting portion is inserted in described hollow bulb of cutting somebody's hair.

5. propelling pencil according to claim 3, it is characterized in that, described pen container upper inner inwardly convexes with the retaining platform from top to bottom successively and keeps off platform down, describedly go up the retaining platform, keep off platform down and be described pen container madial wall to projecting inward annular projection, described Ka Tai is up-small and down-big round table-like, the through-hole diameter of the described platform of retaining down is less than the maximum cross-section diameter of described Ka Tai, and the bottom surface of described Ka Tai is equipped in described retaining platform down top, and described extrapolation spring upper end fastens the bottom side of going up the retaining platform in described;

Described pen container bottom with in be installed with runner block on the madial wall of relative position of retaining head of the described extrapolation lead for retractable pencil device established, described runner block is used for described retaining head and cuts somebody's hair and match, described runner block is a hollow circular cylinder, vertically uniform offering on the described runner block for the many multiple tracks chutes that described stick wears, described chute equates that with the quantity of stick described runner block end face is provided with the zigzag inclined-plane.

6. propelling pencil according to claim 5 is characterized in that, described runner block and described pen container are formed in one, and described pen container inwall is fixed in perhaps described runner block bonding or blocking.

7. propelling pencil according to claim 3, it is characterized in that, described pen container upper inner inwardly convexes with down the retaining platform, the described platform of retaining down is that described pen container madial wall is to projecting inward annular projection, the through-hole diameter of the described platform of retaining down is less than the diameter of section of described Ka Tai, the bottom surface of described Ka Tai is equipped in the described platform of retaining down top, the inboard dismountable retaining platform spare that is equiped with of described pen container, the described retaining platform spare of going up is positioned at described retaining platform down top, and described extrapolation spring upper end fastens the bottom side of going up retaining platform spare in described;

Described pen container bottom with in be installed with runner block on the madial wall of relative position of retaining head of the described extrapolation lead for retractable pencil device established, described runner block is a hollow circular cylinder, vertically uniform offering on the described runner block for the many multiple tracks chutes that described stick wears, described chute equates that with the quantity of stick described runner block end face is provided with the zigzag inclined-plane.

8. according to each described propelling pencil in the claim 1 to 7, it is characterized in that, described pen container top is provided with the pen container connecting portion, the link of described nib and pen container is provided with written connecting portion, described pen container connecting portion and written connecting portion are connected, and described nib can be made the described pen container of being connected in of axial rotation by described relatively pen container;

Described written side offers one or more installation chutes, and each is installed one of the corresponding installation of chute and cuts plumbous device.

9. propelling pencil according to claim 8 is characterized in that, described pen container connecting portion is an outside snap ring, and described written connecting portion is inboard snap ring, and the convex surface of described outside snap ring and inboard snap ring is cambered surface.

10. propelling pencil according to claim 8, it is characterized in that described written connecting portion is an internal thread, described pen container connecting portion is an external screw thread, described external screw thread is provided with a no threaded area, and the length of described internal thread is equal to or less than the length of described no threaded area.

11. propelling pencil according to claim 8, it is characterized in that, describedly cut plumbous device and comprise drive block and cut the knib sheet, described drive block is located in the described installation chute and the slip and the location of damping can be arranged in described installation chute, the side that drive block is positioned at described nib is provided with cuts the knib sheet, described cut the knib sheet and vertically vertical an angle is arranged.

12. propelling pencil according to claim 8 is characterized in that, offers two described installation chutes on the described written side, being arranged on the described written side of two described installation chute symmetries.

13. propelling pencil according to claim 1, it is characterized in that, the described cap for brush has cap for brush head and cap for brush shell, described cap for brush head is described first to press portion, described cap for brush shell is described second to press portion, described cap for brush head is connected in and pushes away the lead for retractable pencil device in described, and the madial wall of described cap for brush shell is arranged in the end of described extrapolation lead for retractable pencil device.

Images