CN2763869Y

CN2763869Y - Hand writing pen ejection mechanism

Info

Publication number: CN2763869Y
Application number: CN 200420103387
Authority: CN
Inventors: 林俊仁
Original assignee: Shenzhen Futaihong Precision Industry Co Ltd
Current assignee: Shenzhen Futaihong Precision Industry Co Ltd
Priority date: 2004-12-22
Filing date: 2004-12-22
Publication date: 2006-03-08
Anticipated expiration: 2014-12-22

Abstract

The utility model relates to a hand writing pen ejection mechanism used for a portable electronic device, which comprises a body on which a hook hold is arranged and a springing device positioned on the body, wherein the springing device comprises an elastic element, a move element and a connecting rod, wherein both ends of the elastic element are respectively matched with the move element and the body; the move element is provided with a cam around which a guide groove is arranged. A locking part with the locking function is arranged in the guide groove; one end of the connecting rod extends into the hook hole, and the other end explores into the guide groove and can slide along the guide groove. The hand writing pen ejection mechanism of the utility model is not provided with a button, therefore the structure is simple and compact, and the size is small, which is in favor of modularity production and the versatility is strong.

Description

Stylus pen ejecting mechanism

[technical field]

The utility model relates to and a kind of stylus pen ejecting mechanism that is applicable to that portable electron device is used especially about a kind of stylus pen ejecting mechanism.

[background technology]

Be accompanied by development of science and technology, (Personal Digital Assistant PDA) becomes people gradually and communicates important tool with information management for portable electron device such as mobile phone, personal digital assistant.Input information for the convenience of the users, portable electron device can adopt writing pencil input message usually, therefore require writing pencil to be convenient to place and take out, and are used for that the ejecting mechanism needs that cooperate with writing pencil are simple in structure, volume is less.

Mostly the writing pencil of known portable electronic devices is that keeping the barb groove in writing pencil nib (touch screen end) fixes.And the method for ejecting of writing pencil is generally: in the time of in writing pencil is fixed in portable electron device, utilize finger to stir control knob on the portable electron device, make grab break away from writing pencil and by elastic component writing pencil is released, and then take out writing pencil.As announce in No. the 6129430th, the United States Patent (USP) on October 10th, 2000, it discloses a portable computing stylus pen ejecting mechanism, it comprises a body, and an opening guide groove is arranged in this body, and this opening guide groove is suitable for writing pencil is inserted and is accommodated in this body; One ejecting mechanism is positioned at the bottom of body inner opening guide groove; One control knob is exposed to outside the body.When writing pencil contacted in the opening guide groove inserts body and oppresses elastic mechanism, elastic mechanism was connected with control knob and puts aside certain elastic force; When need take out writing pencil, stir control knob, remove being connected between control knob and elastic mechanism, elastic mechanism discharges elastic force writing pencil is released this body.

But the ejection principle of this portable electron device writing pencil is with the motion of control knob control spring, complex structure, and the mechanism design requisite space is bigger.

In addition, it is one-body molded with portable electron device mostly known stylus pen ejecting mechanism is, versatility difference and be not easy to modularity production.

For above-mentioned reasons, but provide a kind of stylus pen ejecting mechanism simple in structure, that volume is less, highly versatile and modularity are produced real for necessary.

[utility model content]

The purpose of this utility model is to provide a kind of simple in structure, volume is less, but highly versatile and modularity are produced stylus pen ejecting mechanism.

In order to realize the purpose of this utility model, a kind of stylus pen ejecting mechanism is provided, it comprises a body, which is provided with one and colludes the hole; One springing device, it is positioned on the body, and this springing device comprises an elastic component, a moving member and a connecting rod, and these elastic component two ends cooperate with moving member and body respectively; This moving member is provided with a cam, is provided with a guide groove around the cam, is provided with the sticking department with lock function in this guide groove; This connecting rod one end stretches into and colludes in the hole, and the other end probes into guide groove and can slide along guide groove.Collection is during writing pencil, moving member one end be subjected to writing pencil ejection and in contract, elastic component stretches with the savings energy, connecting rod slides in guide groove; When writing pencil slipped into latched position, moving member passed through link lever locking by guide groove; When desire is taken out writing pencil, push writing pencil once more, moving member is subjected to the writing pencil ejection once more, and locking is disengaged, and elastic component shrinks and drives the moving member resilience writing pencil is released.

Compared to known technology, stylus pen ejecting mechanism of the present utility model is not provided with button, and compact conformation is simple, and volume is less, is easy to modularity production, highly versatile.

[description of drawings]

Fig. 1 is the exploded perspective view of the utility model stylus pen ejecting mechanism;

Fig. 2 is the exploded perspective view of another angle of the utility model stylus pen ejecting mechanism;

Fig. 3 is the synoptic diagram of the utility model stylus pen ejecting mechanism guide groove;

Fig. 4 is the stereographic map of the utility model stylus pen ejecting mechanism;

Fig. 5 is the original state synoptic diagram of the utility model stylus pen ejecting mechanism, and lid does not show;

Fig. 6 is the motion state synoptic diagram of the utility model stylus pen ejecting mechanism, and lid does not show:

Fig. 7 is the lock-out state synoptic diagram of the utility model stylus pen ejecting mechanism, and lid does not show;

Fig. 8 is another motion state synoptic diagram of the utility model stylus pen ejecting mechanism, and lid does not show.

[embodiment]

See also illustrated in figures 1 and 2ly, the utility model stylus pen ejecting mechanism preferred embodiment comprises a body 1, a springing device 2 and a lid 3.This body 1 fastens with lid 3, forms a cavity therebetween, and this springing device 2 is accommodated in the cavity.

This body 1 comprises a base 11 and a base plate 12.This base 11 has a side 110 and an end face 111, and this end face 111 is provided with a screens groove 112, and it is the scalloped recess of being offered to side 110 by end face 111 middle parts, offers one on these screens groove 112 diapires and colludes hole (figure does not show).Also be provided with a projection 113 on the relative one side of this base 11 and end face 111, when this projection 113 is used for that this stylus pen ejecting mechanism is assemblied in portable electron device, match, play the installing and locating effect with the groove of portable electron device relative set.This base plate 12 joins with side 110, is a rectangular slab, and the width of base plate 12 is less than the width of side 110.Be respectively equipped with baffle plate 123 and limiting plate 124 on the two side of this base plate 12 and base 11 relative ends, this baffle plate 123 and limiting plate 124 are by the upwardly extending plate body in base plate 12 both sides, this baffle plate 123 originates in the end of this

base plate

12, and 124 of this limiting plates have certain distance apart from base plate 12 ends.This base plate 12 is protruding with a card post 125, between plate washer 125 and limiting plate 124.Also caving on this base plate 12 has a room 122, and it is between base 11 and card post 125.All be protruding with a plurality of wedge shape fixture blocks 121 on these base plate 12 two sides, this fixture block 121 is between base 11 and baffle plate 123 and limiting plate 124.

This springing device 2 comprises an elastic component 21, a moving member 22 and a connecting rod 25.

This elastic component 21 is column springs that two ends are provided with grab 210.

This moving member 22 is hollow housings, and it has a roof 221, and this moving member 22 and roof 221 relative masks have an opening 220, and the length of this opening 220 is greater than the length of elastic component 21.These roof 221 ends are protruding with a cylinder 223 to opening 220 directions.See also shown in Figure 3ly, this roof 221 is provided with a heart-shaped guide groove 24, and guide groove 24 inside surround a heart-shaped cam 240.This guide groove 24 comprises shank 241, first passage 242, first top 244, sticking department 245, second top 247 and second channel 248.This first passage 242 is that guide groove 24 points to first top 244 by shank 241, and the diapire of guide groove 24 is being recessed to form first step 243 downwards near 244 places, first top, and the vertical plane that this first passage 242 and first step are 243 is a first step face 2430.This

first top

244 and 247 on second top have adjacent two side, and it is second sidewall 2471 near the first side wall 2441 on first top 244 and close second top 247.This first step 243 is recessed to form second step 246 downwards along second sidewall 2471.This second channel 248 connects second top 247 and shank 241, and its diapire is lower than second step 246, and vertical plane therebetween is a second step face 2460.This moving member 22 is protruding with a limited block 224 at it away from the sidewall of an end of cylinder 223.

Two free ends of this connecting rod 25 are bent into first hook part 251 and second hook part 252.

This lid 3 bends two side covers 32 downwards by a top cover 31 and forms.Have a top cover opening 310 on this top cover 31, the wall of these top cover opening 310 1 ends extends an arc spring lamination 311 to top cover opening 310 other ends.This shell fragment 311 comprises a root 312 and a free end 313 that links to each other with top cover opening 310 1 end wall surface, and the part that root 312 and free end are 313 is bent upwards and protrudes from lid 31, but its free end 313 stretches in the top cover opening 310 and a little less than top cover 31.This side cover 32 is provided with a plurality of draw-in grooves 321 that match with the fixture block 121 of body 1.

When assembling this stylus pen ejecting mechanism, at first elastic component 21 is placed in the room 122 of body 1 and the grab 210 of one end is set on the card post 125, then moving member 22 openings 220 are buckled on the base plate 12, the limited block 224 and the limiting plate 124 of moving member 22 are positioned at the same side, and the first half that makes elastic component 21 is contained in the opening 220, and the grab 210 of its other end is buckled on the cylinder 223; Subsequently, first hook part 251 of connecting rod 25 is placed on colluding in the hole of screens groove 112, this connecting rod 25 can first hook part 251 be axle rotation screens groove 112 in, second hook part 252 of connecting rod 25 is probeed into the shank 241 of guide groove 24; At last, lid 3 is buckled on the body 1, the screens groove 321 of two side covers 32 fastens with the fixture block 121 of base plate 12, and the free end 313 of shell fragment 311 is pressed on the connecting rod 25, makes second hook part 252 of connecting rod 25 contact the diapire of guide groove 24 all the time.Like this, this stylus pen ejecting mechanism promptly installs, as shown in Figure 4.

When using this stylus pen ejecting mechanism, with the top of the writing pencil accommodation space of its portable electron device of packing into.Below in conjunction with Fig. 5 to Fig. 8 the course of action of this stylus pen ejecting mechanism is described further.

When not collecting writing pencil, second hook part 252 of the connecting rod 25 of this stylus pen ejecting mechanism is positioned at this guide groove 24 shanks 241, elastic deformation does not take place in elastic component 21, one end of these moving member 22 tool limited blocks 224 stretches out outside the top cover 31 of base plate 12 and lid 3, and the distance between 224 this moments of this limited block and the limiting plate 124 is slightly larger than the big distance on 247 on shank 241 to first tops 244 of this guide groove 24 and second top.

During the collection writing pencil, writing pencil is inserted the writing pencil accommodation space of portable electron device, the end of writing pencil contact and this moving member 22 of ejection when being inserted into the top, moving member 22 is subjected to promoting to move to base 11 directions, because first hook part 251 of this connecting rod 25 is stretched into the colluding the hole of screens groove 112 and can not be moved, promptly slide along guide groove 24 first passages 242 in this second hook part 252, its slide to first step 243 until sliding to first top 244, moving member 22 position that reaches capacity.Simultaneously, because elastic component 21 1 ends are fixing by card post 125, its other end moves with the cylinder 223 of moving member 22, and elastic component 21 is stretched and puts aside certain restoring force.Stop to the writing pencil application of force, the restoring force of elastic component 21 drives moving member 22 resiliences, conflict this first step faces 2430 and slide to second step 246 and arrive sticking department 245 of this second hook part 252 along it, moving member 22 is temporarily locked, and writing pencil reaches favorite places.Elastic component 21 still was in extended state and put aside restoring force this moment.

When needing to take out writing pencil, push the end that writing pencil is exposed to portable electron device once more, writing pencil ejection moving member 22 moves to base 11 directions, slide along second sidewall 2471 in second hook part 252 of connecting rod 25, slide into second top 247 through second step 246, moving member 22 position that reaches capacity.Stop the writing pencil application of force, moving member 22 resilience under the restoring force effect of elastic component 21, sticking department 245 can not be slided back owing to stopped by second step face 2460 in this second hook part 252, it slides into shank 241 along second channel 248 by second top 247, and moving member 22 is promptly released writing pencil in body 1 slippage of the restoring force effect lower edge of elastic component 21.

Because connecting rod 25 is motion repeatedly on guide groove 24, for making its proper exercise and making this guide groove 24 satisfy certain life requirements, can utilize electroplating technology plated film on guide groove 24 surfaces to increase its wearing quality.

Claims

1. a stylus pen ejecting mechanism comprises the springing device that a body and cooperates with body, and it is characterized in that: this body is provided with one and colludes the hole; This springing device comprises an elastic component, a moving member and a connecting rod, and these elastic component two ends cooperate with moving member and body respectively; This moving member is provided with a cam, is provided with a guide groove around the cam, is provided with the sticking department with lock function in this guide groove; This connecting rod one end stretches into and colludes in the hole, and the other end probes into guide groove and can slide along guide groove.

2. stylus pen ejecting mechanism as claimed in claim 1 is characterized in that: described guide groove is a heart-shaped guide groove, and described cam is heart-shaped.

3. stylus pen ejecting mechanism as claimed in claim 1 is characterized in that: described stylus pen ejecting mechanism further comprises a lid, and this lid can be interlocked with body.

4. stylus pen ejecting mechanism as claimed in claim 1 is characterized in that: described elastic component is the column spring, and its two ends are provided with grab.

5. stylus pen ejecting mechanism as claimed in claim 4 is characterized in that: described moving member is a hollow housing, and it is provided with a cylinder, and the grab of this elastic component one end is sheathed on the cylinder, and this moving member is provided with a limited block at the end away from cylinder.

6. stylus pen ejecting mechanism as claimed in claim 5 is characterized in that: described body comprises a base, which is provided with a screens groove, and this screens groove is a scalloped recess of being offered to the side by end face middle part, and the described hole of colluding is located on this screens bottom land wall.

7. stylus pen ejecting mechanism as claimed in claim 6, it is characterized in that: described body further comprises a base plate, this base plate is the rectangular slab that joins with the base side, the limiting plate that is respectively equipped with baffle plate and matches with limited block on the relative end two side with base of described base plate.

8. stylus pen ejecting mechanism as claimed in claim 7, it is characterized in that: described base plate is protruding with a card post, it is positioned between plate washer and limiting plate, also cave on this base plate a room is arranged, it is between base and card post, this room matches with the moving member opening elastic component is housed in wherein, and another grab of elastic component is sheathed on the card post.

9. stylus pen ejecting mechanism as claimed in claim 3 is characterized in that: described lid bends two side covers downwards by a top cover and forms, and has a top cover opening on this top cover, and this top cover opening wall one end extends an arc spring lamination to the other end.

10. stylus pen ejecting mechanism as claimed in claim 9, it is characterized in that: described this shell fragment comprises a root and a free end that links to each other with top cover opening wall, part is bent upwards and protrudes from lid between root and free end, but its free end stretches into the top cover opening and a little less than lid.