CN102442111B - Writing tool - Google Patents
Writing tool Download PDFInfo
- Publication number
- CN102442111B CN102442111B CN201010545967.XA CN201010545967A CN102442111B CN 102442111 B CN102442111 B CN 102442111B CN 201010545967 A CN201010545967 A CN 201010545967A CN 102442111 B CN102442111 B CN 102442111B
- Authority
- CN
- China
- Prior art keywords
- arm
- cam
- mentioned
- body cover
- side fastener
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
Abstract
The present invention provides a writing tool. A pen cap can be simply equipped on a body without dropping. The pen cap is easily detached through pressing operation in detachment. The writing tool is provided with the following components: a body which is provided with a dent part on an external surface, and a body cap (pen cap) for accommodating the body. The body cover is internally provided with an arm part which is provided with a projection part that is jointed with the dent part. Furthermore the arm part extends backwards. The arm part moves to an advancing position and a retreating position through a heart-shaped cam mechanism by means of pressing operation and is kept on each position. The arm part extends in the retreating position. But when the body is inserted into the body cover and moves to the advancing position, the arm is closed. The projection part enters the dent part for fixing the body, thereby preventing dropping of the body cover. When the body is pressed, the arm part moves to the retreating position, and the projection part is separated from the dent part. Therefore the body cover can be detached.
Description
Technical field
The present invention relates to a kind of writing implement, in the writing implement with the cap for brush, the cap for brush can not be arranged on body simply with coming off, and can easily be taken off from body by the cap for brush when writing.
Background technology
The cap for brush of writing implement is for the protection of writing top and dismounting is inlaid in the top of body freely.As structure cap for brush dismounting is arranged on freely on body, widely use the structure such as described in Japanese Unexamined Patent Publication 11-208185 publication: the projection forming ring-type on body, at the inner surface of the cap for brush, kick is set, when the cap for brush is inlaid on body, kick crosses the projection of the ring-type of body and two protrusions snap, thus is arranged on body by the cap for brush.When writing, support body and draw the cap for brush energetically, then the engaging of above-mentioned projection is removed, and the cap for brush can be taken off from body.
Usually, keep to hang over the edge of pocket etc., the above-mentioned cap for brush is provided with clip.But as mentioned above, the cap for brush of writing implement is in the past only by being arranged on body by the protrusions snap on the inner surface of the outer surface and the cap for brush that are arranged on body by the cap for brush, therefore when on body when impulses or tensile force, the engaging sometimes between projection is removed, and the cap for brush comes off.
Although be also known to the structure cap for brush and body screw thread are fitted together to, in the structure shown here, the cap for brush must be made in use to rotate around body, therefore troublesome poeration.
Summary of the invention
The object of the present invention is to provide a kind of writing implement with the cap for brush, can simply and reliably the cap for brush is arranged on body, easily the cap for brush can be taken off by by hitting (knock) operation when writing.
According to the present invention, a kind of writing implement is provided, it is characterized in that, possess: the body of tubular, the outer surface at top has base side fastener, at inside storage pen core; The body cover of tubular, one end open is to receive this body; Arm, the inside of this body cover that can advance along direction of principal axis, be arranged on retreating, rearward expanding in the mode at the top round body, there is arm side fastener; Spring, exerts a force in the reverse direction to this arm; Cam mechanism, by by hit operation this arm is moved along the direction of principal axis of body cover time, respectively this arm is remained on progressive position and going-back position; And the mechanism of arm undergauge is made when this arm is positioned at progressive position,
Arm is inserted at the top of above-mentioned body and makes this arm move to progressive position and base side fastener is engaged with arm side fastener, thus body is remained in body cover, and, make arm move to going-back position by hitting this body and remove the engaging of arm side fastener and base side fastener, thus body is taken off from body cover, realize above-mentioned purpose thus.
In addition, according to the present invention, provide writing implement as above, above-mentioned cam mechanism possesses: stationary cam, is fixed in body cover, has interior side's projection; The cam canister of tubular, can move along direction of principal axis and can be arranged on rotationally in this stationary cam, has the cardioid cam path that above-mentioned interior side's projection enters; And cam supporting member, link with side in this cam canister and form above-mentioned arm at rear portion, above-mentioned stationary cam is the mechanism of above-mentioned arm advance this arm necking down in season.And then, a kind of writing implement as above is provided, the guide plate and direction protrusion that flexibly engage disengaging is set between above-mentioned stationary cam and cam canister, when cam canister advanced position or going-back position are moved, provides resistance to the movement of cam canister.
The present invention is formed as described above, has: the body of tubular, and the outer surface at top has base side fastener, at inside storage pen core, the body cover of tubular, one end open is to receive this body, arm, the inside of this body cover that can advance along direction of principal axis, be arranged on retreating, rearward expanding in the mode at the top round body, there is arm side fastener, spring, exerts a force in the reverse direction to this arm, cam mechanism, by by hit operation this arm is moved along the direction of principal axis of body cover time, respectively this arm is remained on progressive position and going-back position, and the mechanism of arm undergauge is made when this arm is positioned at progressive position, arm is inserted at the top of above-mentioned body and makes this arm move to progressive position and base side fastener is engaged with arm side fastener, thus body is remained in body cover, and, make arm move to going-back position by hitting this body and remove the engaging of arm side fastener and base side fastener, thus body is taken off from body cover, if thus body inserted in body cover and make arm move to progressive position, then arm undergauge and arm side fastener and the engaging of base side fastener, body is blocked (chuck) by arm, even if the top of body can be covered and make effect vibration, impact, body cover also can not come off.
In addition, if by hitting above-mentioned body, then by cam mechanism, arm moves to going-back position, and arm is expanding, therefore arm side fastener and base side fastener engaging remove, body block relieving, this body can be taken out from body cover simply.If forming the guide plate that to arrange between the stationary cam of cam mechanism and cam canister and flexibly engage disengaging and direction protrusion makes to apply resistance when cam canister advanced position or going-back position move to the mobile of cam canister, then carrying out by when hitting operation, can confirm by the effect of hitting, use easily.
Accompanying drawing explanation
Fig. 1 be illustrate one embodiment of the present of invention by the sectional view of the state of body locking.
Fig. 2 is the sectional view of the state of the locking removing body.
Fig. 3 is the sectional view of using state.
Fig. 4 illustrates body cover, and (A) is the sectional view of the part left from rib, and (B) is the sectional view of the part along rib, and (C) is the C-C line sectional view of figure (B).
Fig. 5 illustrates cam supporting member, and (A) is top view, and (B) is front view, and (C) is sectional view, and (D) is side view.
Fig. 6 illustrates stationary cam, and (A) is upward view, and (B) is front view, and (C) is sectional view, and (D) is side view.
Fig. 7 illustrates cam canister, and (A) is top view, and (B) is sectional view, and (C) upward view, (D) is side view.
Fig. 8 is the key diagram of cam.
Fig. 9 illustrates the direction protrusion of guide plate, and (A) is the key diagram of cam canister viewed from direction, vertical section, and (B) is from the key diagram viewed from bottom surface, and (C) is from along the key diagram viewed from the section of cam canister.
Figure 10 is the amplification view of a part for lockup state.
Figure 11 is the amplification view of a part for the state of the midway that locking is removed.
Figure 12 is the amplification view of a part of the state after being removed by locking.
Detailed description of the invention
With reference to Fig. 1 ~ Fig. 3, writing implement of the present invention have the tubular of inside storage pen core 2 body 1 and receive this body and at one end have the body cover (cap for brush) 4 of the tubular of opening 3, the length of body cover 4 is formed as slightly longer than body 1 with the rear end of this body 1 under the state of receiving above-mentioned body 1 in this body cover 4 from the degree that body cover 4 stretches out a little.Above-mentioned body 1 forms base side fastener 5 at outer surface of cupular part, in the embodiment shown in the drawings, the outer surface of cone 6 being arranged on top forms recess and as fastener 5.This recess also can be formed as protuberance.Above-mentioned pen core 2 in the embodiment shown in the drawings, shows ball pen, but also can be suitable for marking pen or other suitable pen cores of propelling pencil.Pen core 2 inserts from the rear end of body 1, and writing end 7 is stretched out from the top of above-mentioned cone 6, utilizes the breechblock 8 being arranged on the rear end of body 1 to support rear portion.
Above-mentioned body cover 4 has bottom 9, and as shown in Figure 4, be formed with the bolster 10 extended along direction of principal axis at the center of bottom 9, the inwall along body cover 4 is formed with rib 11, and near bottom 9, be provided with body cover side fastener 12.In addition, the length of this rib is formed as the length of following degree: when being inserted from the opening 3 of this body cover 4 rear end of body 1 taking off body cover 4, at the writing end 7 of body 1 from the state that body cover 4 exposes, the top of rib 11 abuts with the rear end of body 1, and during the effect of pen pressure, body 1 does not submerge (with reference to Fig. 3) in body cover.
In above-mentioned body cover 4, the direction of principal axis of body cover can advance, be provided with arm 13 with retreating, this arm 13 is with can be rearward expanding round the mode of the cone 6 of above-mentioned body 1.The elasticity that this arm 13 has by itself, rear end outward direction becomes large, can flexibly undergauge.This arm 13 is provided with the arm side fastener 14 that can engage with above-mentioned base side fastener 5.In the embodiment shown in the drawings, above-mentioned base side fastener 5 is formed as recess, and therefore arm side fastener 14 is formed as protuberance.Also above-mentioned base side fastener 5 can be formed as protuberance and arm side fastener 14 be formed as recess, or two fasteners are formed as the section roughly field of conjugate action of chevron shape etc. or matsurface (not shown).
As shown in Figure 5, above-mentioned arm 13 forms with cam supporting member 15, is exerted a force in the reverse direction by the spring 16 be arranged on the bolster 10 of above-mentioned body cover 4.This cam supporting member 15 rear end side is formed as the roughly tubular with above-mentioned arm 13, and this arm 13 is opposite with semicircle arcuation across slot segmentation 17, is formed with the projection becoming said arm side fastener 14 along inner surface.The outer surface of arm 13 is formed with protrusion 18.In cam supporting member 15, side, is formed with the hole 19 of the writing end 7 putting into above-mentioned pen core 2.In the front of this cam supporting member 15, the installing hole 20 that the one end being formed with above-mentioned spring 16 enters.Further, fore periphery is provided with has inclined plane and the cam supporting member side fastener 21 with its continuous print mounting groove, is provided with slit 22 so that this cam supporting member side fastener 21 can inwardly just bend when assembling.
Be provided with by by hitting the cam mechanism remained on respectively by this arm when operation makes above-mentioned arm 13 move along the direction of principal axis of body cover 4 on progressive position and going-back position.As the cam mechanism with such function, be known to, by the various cam mechanisms hitting formula writing implement etc. and use, can suitably adopt these cam mechanisms.In an embodiment, as described below, show the cardioid cam mechanism employing so-called cardioid cam path.In FIG, stationary cam 23 is fixed in body cover 4.As shown in Figure 6, the tubular in body cover is connected in this stationary cam 23 is formed as, be provided with the stationary cam side fastener 24 that engages with the body cover side fastener 12 of above-mentioned body cover 4 on the outer surface and be formed in the mounting groove 25 that the rib 11 on body cover 4 enters for stoping stationary cam to rotate, stretch out on an internal surface and be provided with interior side's projection 26.Further, in the wall portion of the stationary cam 23 opposite with this interior side's projection 26, be formed with the breach 27 via roughly U-shaped and at one end there is the guide plate 28 of free end.The inner surface of the free end side of this guide plate is provided with slide protrusion 29, and this free end can flexibly swing in the radial direction.
In above-mentioned stationary cam 23, side, can move in axial direction and can be inserted with cam canister 30 rotationally.As shown in Figure 7, the cam path 31 of the roughly cardioid that above-mentioned interior side's projection 26 that the outer surface of this cam canister 30 is formed with stationary cam 23 enters.This cam path 31 is formed as ring-type, for making above-mentioned interior side's projection 26 enter the inclination inlet portion 32 of cam path 31 when there is in front assembling, as shown in Figure 8, be provided with the storage end difference 33 that interior side's projection 26 engages when body 1 being accommodated in locking in body cover 4, with take out the releasing end difference 34 that when body 1 and locking are removed, interior side's projection 26 engages from body cover 4, and be set to ring-type, so that by by hitting operation after by cam canister 30, left direction moves in fig. 8, stop by hitting operation and utilize the effect of spring 16 that cam canister 15 is advanced in fig. 8 to the right, relatively interior square projection 26 cyclically moves between this storage end difference 33 and releasing end difference 34 thus.In fact, because stationary cam 23 does not rotate, so this moves movable in axial direction by cam canister 30 and rotates and carry out.Further, cam canister 30 is formed with the internal diameter can receiving above-mentioned cam supporting member 15, is provided with the cam canister side fastener 35 engaged with the cam supporting member side fastener 21 of this cam supporting member 15 on an internal surface.In the embodiment shown in the drawings, this cam canister side fastener 35 is formed as the projection of the ring-type entered in the mounting groove of above-mentioned cam supporting member side fastener 21.
On the outer surface of above-mentioned cam canister 30, slip to make the above-mentioned slide protrusion 29 be set on the guide plate 28 of stationary cam 23 and engage the mode departed from and be provided with direction protrusion 36, give click clatter (Network リ Star Network) sense to the mobile of cam canister 30.As shown in Fig. 7 and Fig. 9, this direction protrusion 36, corresponding with above-mentioned cam path 31, in guiding recess 37 set on the surface of the cam canister 15 with this cam path opposition side, be formed as the shape of cross section that one end tilts roughly chevron.In the front of this guiding recess 37, the inclination inlet portion 38 that when having an assembling, above-mentioned slide protrusion 29 is passed through, be provided with in this guiding recess 37, from the part corresponding with the releasing end difference 34 of above-mentioned cam path 31 towards the position of the midway of the part corresponding with storage end difference 33 and the position corresponding with the part making interior side's projection 26 leave from this storage end difference 33 from the part corresponding with storage end difference 33.And, carry out by when hitting operation, when slide protrusion 29 sequentially goes up the inclined plane of direction protrusion 36, guide plate 28 outward direction tilts, when this direction protrusion 36 passes through, namely, when slide protrusion 29 is left from inclined plane, the tilting of guide plate 28 is restored, and little impact is now delivered to be carried out by the people hitting operation (user).
In above-mentioned body cover 4, be provided with the mechanism making this arm 13 undergauge when above-mentioned arm 13 is positioned at progressive position.In the embodiment shown in the drawings, the inner surface at the rear portion of stationary cam 23 is formed with the undergauge face 39 gently tilted, so that the protrusion 18 of arm 13 slips with the rear end inner surface of above-mentioned stationary cam 23 and makes this arm 13 undergauge when arm 4 moves to progressive position.Also can with stationary cam 23 independently, the suitable position of the inner surface of body cover 4 arranges the projection etc. of pressing rib or ring-type and makes arm undergauge (not shown).
If using state is described with reference to Figure 10 ~ Figure 12, then insert in body cover 4 by the writing end 7 of body 1 from the opening 3 of body cover 4, be forwards pressed into by cam supporting member 15 in the hole 19 that this writing end 7 enters cam supporting member 15, arm 13 advances.When stopping pressing, via above-mentioned stationary cam 23, cam canister 30, interior side's projection 26 of stationary cam 23 engages with the storage end difference 33 of cam canister 30, and arm 13 remains on progressive position, arm 13 undergauge.Its result, arm side fastener 14 and base side fastener 5 engage, and body 1 is blocked by arm 13, to be accommodated in state in body cover 4 by locking (Figure 10, Fig. 1), do not worry body 1 because of vibration, impact and depart from from body cover 4.
When removing locking, if in the condition shown in figure 1 by the rear end hitting the body 1 stretched out from body cover 4, then as shown in figure 11, cam canister 30 advances further slightly, if stop pressing, then until interior side's projection 26 moves to the position of removing end difference 34 from the storage end difference 33 of cam path 31, cam canister 30 and cam supporting member 15 retreat under the action of the spring, and remain on going-back position.Further, above-mentioned arm 13 departs from from stationary cam 23, expanding under the elastic reaction itself had, and the engaging of arm side fastener 14 and base side fastener 5 is removed.Thus, body 1 becomes freely, can taking off body cover 4, by being inserted rear end in body cover 4 as illustrated in fig. 3, can write.
As above-mentioned cardioid cam mechanism, in an embodiment, stationary cam arranges interior side's projection, on cam canister, forms cam path, but also can form cam path on stationary cam and the projection (not shown) engaged with this cam path is set on cam canister.
Claims (5)
1. a writing implement, is characterized in that, possesses: the body of tubular, and the outer surface at top has base side fastener, at inside storage pen core; The body cover of tubular, one end open is to receive this body; Arm, the inside of this body cover that can advance along direction of principal axis, be arranged on retreating, rearward expanding in the mode at the top round body, there is arm side fastener; Spring, exerts a force in the reverse direction to this arm; Cam mechanism, by by hit operation this arm is moved along the direction of principal axis of body cover time, respectively this arm is remained on progressive position and going-back position; And the mechanism of arm undergauge is made when this arm is positioned at progressive position,
Arm is inserted at the top of above-mentioned body and makes this arm move to progressive position and base side fastener is engaged with arm side fastener, thus body is remained in body cover, and, make arm move to going-back position by hitting this body and remove the engaging of arm side fastener and base side fastener, thus body is taken off from body cover
Above-mentioned cam mechanism possesses: stationary cam, is fixed in body cover, has interior side's projection; Cam canister, can move along direction of principal axis and can be arranged on rotationally in this stationary cam, has the cam path of the roughly cardioid that above-mentioned interior side's projection enters; And cam supporting member, link with side in cam canister and form above-mentioned arm at rear portion.
2. writing implement as claimed in claim 1, is characterized in that,
The rear portion of above-mentioned stationary cam is the mechanism making this arm undergauge when arm advances.
3. writing implement as claimed in claim 1, is characterized in that,
Above-mentioned stationary cam is formed the guide plate with slide protrusion, cam canister is provided with to the mobile direction protrusion applying resistance of slide protrusion.
4. writing implement as claimed in claim 1, is characterized in that,
Above-mentioned body hood-shaped become longer than body.
5. writing implement as claimed in claim 4, is characterized in that,
The rib that the rear end being formed with this body when being inserted from rear end side by body in above-mentioned body cover abuts.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010-229926 | 2010-10-12 | ||
| JP2010229926A JP5525409B2 (en) | 2010-10-12 | 2010-10-12 | Writing instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102442111A CN102442111A (en) | 2012-05-09 |
| CN102442111B true CN102442111B (en) | 2015-05-20 |
Family
ID=46005253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010545967.XA Expired - Fee Related CN102442111B (en) | 2010-10-12 | 2010-11-10 | Writing tool |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5525409B2 (en) |
| CN (1) | CN102442111B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6251971B2 (en) * | 2013-03-29 | 2017-12-27 | ぺんてる株式会社 | Writing instrument |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6317073U (en) * | 1986-07-18 | 1988-02-04 | ||
| JPH035585Y2 (en) * | 1986-07-26 | 1991-02-13 | ||
| JPH068951A (en) * | 1992-06-24 | 1994-01-18 | Cemedine Co Ltd | Capped container |
| JP2906391B2 (en) * | 1994-10-03 | 1999-06-21 | ゼブラ株式会社 | Writing instrument cap |
| JP2001150870A (en) * | 1999-11-30 | 2001-06-05 | Kokuyo Co Ltd | Cap installing structure for writing utensil |
-
2010
- 2010-10-12 JP JP2010229926A patent/JP5525409B2/en not_active Expired - Fee Related
- 2010-11-10 CN CN201010545967.XA patent/CN102442111B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN102442111A (en) | 2012-05-09 |
| JP5525409B2 (en) | 2014-06-18 |
| JP2012081661A (en) | 2012-04-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150520 Termination date: 20171110 |