CN204414892U

CN204414892U - Smart pen

Info

Publication number: CN204414892U
Application number: CN201520132518.0U
Authority: CN
Inventors: 李雪飞
Original assignee: Individual
Current assignee: Individual
Priority date: 2015-03-09
Filing date: 2015-03-09
Publication date: 2015-06-24
Anticipated expiration: 2025-03-09

Abstract

The utility model provides a kind of smart pen, relates to writing implement field, and this smart pen comprises penholder, is arranged on the pen core of penholder inside; Be arranged on the second flip flop equipment of penholder afterbody, it comprises turning cylinder, weight block, infrared launcher, infrared receiving device and the 3rd actuating mechanism, turning cylinder along penholder length direction arrange and its two ends and penholder be freely rotationally connected, weight block is fixedly connected with the side of turning cylinder, infrared launcher and infrared receiving device being fixedly connected with in the opposite side of weight block in the same way respectively at turning cylinder, the infrared emission distance of infrared launcher is predetermined value, and turning cylinder is connected with power electric by its two ends.When writer holds a pen too near nib, or eyes from books distance lower than normalized distance from time, in pen core energy automatic retraction pen, owing to being provided with weight block, ensure that infrared ray that infrared launcher sends can all the time towards face, to reach the object of reminding writer's correcting pen-holding posture or sitting posture.

Description

Smart pen

Technical field

The utility model relates to writing implement field, in particular to a kind of smart pen.

Background technology

In prior art; various pencil, ball pen, neutral fountain pen are except writing function; all can not remind writer especially Children and teenager keep correct pen holding posture and correct sitting posture when writing, to form good writing style and the normal physiological bending of simultaneously vision protection and backbone.

Although there are some smart pen in prior art, the such as patent No. is " two anti-Intelligent writing pen " in ZL200420098052.9, this lettering pen comprises the nib of clamping pen core, pen cap, penholder, circuit board, the detachable pencil core retainer plate of a tail end with projection is provided with at the inner chamber of the pen cap near written direction, this pen core cover there is back-moving spring, being provided with one at the stage casing inner chamber of penholder can the corresponding lever thrust pin that touches cooperation protruding with pen core tail end, the circuit board of the posterior segment inner chamber of penholder is fixedly equiped with the infrared transmitting tube and receiving tube that play probe effect for a pair, a disposable weight block is housed outside the tail end of penholder, tubular skeleton is fixedly equiped with at the end section of pen cap inner chamber, the coil that can produce magnetic field when being energized is wound with in tubular skeleton, and the action that can match with the magnet piece that lever thrust pin afterbody fixes installing, magnetic field can be produced when the coil is energized two like magnetic poles repel each other is produced to magnet piece, the active force that there is a natural attraction between the sexes, make lever thrust pin that the action offset synchronously occur together with the magnet piece of its tail end, thus make pen core retraction nib under the effect of back-moving spring inner and can not write.The circuit board adopted in this patent has the movable axis that is fixedly connected with it and is arranged in the inner chamber of penholder by several rolling bearings, weight block used is fixedly connected with movable axis, under gravity, weight block can be in the below of rear end penholder all the time, thus when student can make to be fixed at infrared emission tube on circuit board and receiving tube all the time towards face direction when holding a pen arbitrarily and writing.In this patented technology, only can correct sitting posture of student, and there is movable axis and the wiring board that is fixedly connected with it installs by rolling bearing the shortcoming that complex process, the cost weight that is high, pen brought lays particular stress on, poor practicability, is not suitable for the drawbacks such as production in enormous quantities.

Utility model content

In view of this, the purpose of this utility model is to provide a kind of smart pen, to solve the above problems and not enough and provide the advantage of at least the following stated.

The utility model embodiment provides a kind of smart pen, comprising: penholder, be arranged on the pen core of described penholder inside; Be arranged on described penholder head, and the first flip flop equipment be connected with described pen core, inner for controlling described pen core described penholder of retracting when being triggered; The power supply be electrically connected with described flip flop equipment, for powering for described flip flop equipment.

Preferably, described first flip flop equipment comprises: the first sheet metal, the second sheet metal and the first actuating mechanism; Described first sheet metal, described first actuating mechanism, described power supply and described second sheet metal series connection; Have gap between described first sheet metal and described second sheet metal, when described first sheet metal and described second sheet metal form electrical connection, it is inner that described first actuating mechanism controls described pen core described penholder of retracting.

Preferably, described first flip flop equipment comprises: touch sensor and the second actuating mechanism; Described touch sensor, described second actuating mechanism and described power sources in series form closed-loop path; When described touch sensor gets prearranged signals, generate triggering signal, described second actuating mechanism, when getting described triggering signal, controls described pen core described penholder of retracting inner.

Preferably, described touch sensor is photoelectric sensor, when the light flux values that described photoelectric sensor gets is less than predetermined threshold value, generates described triggering signal.

Further, a kind of smart pen that the utility model embodiment provides, also comprise: the second flip flop equipment, described second flip flop equipment comprises: turning cylinder, weight block, infrared launcher, the infrared receiving device matched with described infrared launcher and the 3rd actuating mechanism, described turning cylinder is arranged along the length direction of described penholder, and the two ends of described turning cylinder and described penholder are freely rotationally connected, described weight block is fixedly connected with the side of described turning cylinder, described infrared launcher and described infrared receiving device being fixedly connected with in the opposite side of described weight block in the same way respectively at described turning cylinder, and be respectively used to transmit and receive infrared signal, when described infrared receiving device receives described infrared signal, it is inner that described 3rd actuating mechanism controls described pen core described penholder of retracting.

Preferably, the infrared emission distance of described infrared launcher is predetermined value.

Preferably, described turning cylinder is connected with described power electric by the two ends of described turning cylinder.

Preferably, a kind of smart pen that the utility model embodiment provides, also comprise: two the rotational support seats being placed in described turning cylinder two ends respectively, the two ends of described turning cylinder are sphere or the conical surface, the surface of described rotational support seat is the concave surface or concave cone face that match with described sphere or the conical surface, and the two ends of described turning cylinder are rotationally connected by described sphere or the conical surface and two described rotational support seats.

Preferably, described penholder periphery is provided with projection.

Preferably, described projection is multiple, and is looped around the peripheral part of described penholder.

The smart pen that the utility model embodiment provides, employing is arranged on described penholder head, and being connected with described pen core, retracting the first flip flop equipment of described penholder inside for controlling described pen core when being triggered, writer's correcting pen-holding posture can be reminded, thus make writer form good writing style, and lay the foundation for writing out beautiful font on the other hand.

For making above-mentioned purpose of the present utility model, feature and advantage become apparent, preferred embodiment cited below particularly, and coordinate appended accompanying drawing, be described in detail below.

Accompanying drawing explanation

In order to be illustrated more clearly in the technical scheme of the utility model embodiment, be briefly described to the accompanying drawing used required in embodiment below, be to be understood that, the following drawings illustrate only some embodiment of the present utility model, therefore the restriction to scope should be counted as, for those of ordinary skill in the art, under the prerequisite not paying creative work, other relevant accompanying drawings can also be obtained according to these accompanying drawings.

Fig. 1 shows a kind of smart pen that the utility model embodiment provides;

Fig. 2 shows the another kind of smart pen that the utility model embodiment provides;

Fig. 3 shows the third smart pen that the utility model embodiment provides;

Fig. 4 shows the 4th kind of smart pen that the utility model embodiment provides;

Fig. 5 shows a kind of smart pen product provided according to the utility model embodiment

Outside drawing.

Reference number:

1 penholder

2 pen cores

3 power supplys

4 first flip flop equipments

5 first sheet metals

6 first actuating mechanisms

7 second sheet metals

8 pen-holding grooves

9 pencil-leads

10 refill for ball-point pens

11 Neutral ball-point for ball-point pen

101 first beckets

102 second beckets

103 circuit boards

104 weight blocks

105 infrared-emitting diodes

106 infrared receiving diodes

107,121 concave surface rotational support seats

108,120 spheres

111 power supply caps

112 springs

113 conducting rings

114 is protruding

115 turning cylinders

122 coils

123 magnet

124 lever thrust pins

125 back-moving springs

126 pen core sheaths

Detailed description of the invention

Below in conjunction with accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.The assembly of the utility model embodiment describing and illustrate in usual accompanying drawing herein can be arranged with various different configuration and design.Therefore, below to the detailed description of the embodiment of the present utility model provided in the accompanying drawings and the claimed scope of the present utility model of not intended to be limiting, but selected embodiment of the present utility model is only represented.Based on embodiment of the present utility model, the every other embodiment that those skilled in the art obtain under the prerequisite not making creative work, all belongs to the scope of the utility model protection.

Be illustrated in figure 1 a kind of smart pen that the utility model embodiment provides, comprise: penholder 1, be arranged on penholder 1 inner chamber head (in the utility model, " head " depends on nearly pen core 2 side, namely the below in accompanying drawing, " afterbody " refers to away from pen core 2 side, namely the top in accompanying drawing, as follows) pen core 2, be arranged on penholder 1 head and the first flip flop equipment 4 be connected with pen core 2, be arranged on penholder 1 afterbody and the power supply 3 be electrically connected with the first flip flop equipment 4, power supply 3 is that the first flip flop equipment 4 is powered.Wherein the first flip flop equipment 4 comprises detecting unit and actuating mechanism, such as comprise the detecting unit and the first actuating mechanism (telescoping mechanism) that are made up of conductive metal sheet, or comprise the detecting unit and the second actuating mechanism (telescoping mechanism) that are made up of sensor, when writer hold a pen write time, if pen holding posture is incorrect, namely the detecting unit of the first flip flop equipment 4 is triggered, actuating mechanism receives triggering signal, thus control pen core 2 is retracted, penholder 1 is inner, to remind writer's pen holding posture incorrect, thus make writer form good writing style, lay the foundation for writing out beautiful font on the other hand.

The another kind of smart pen that the utility model embodiment as shown in Figure 2 provides, according to design of the present utility model, first flip flop equipment 4 preferably includes the first sheet metal 5, second sheet metal 7 and the first actuating mechanism 6, first sheet metal 5, first actuating mechanism 6, power supply 3 and the second sheet metal 7 sequential series, and have gap between the first sheet metal 5 and the second sheet metal 7.Wherein, first sheet metal 5 and the second sheet metal 7 can be positioned at penholder 1 outer surface, and the first sheet metal 5 and the second sheet metal 7 can be sheet metals that is fixed or slidingtype, also can be designed as the becket be made up of multiple sheet metal being positioned at penholder 1 outer surface, when writer hold a pen write time, can according to the position (such as sheet metal or becket being arranged on the high position of one-inch above nib) of writing style reasonable adjusting sheet metal or becket, if writer's finger touches the first sheet metal 5 and the second sheet metal 7 simultaneously, then due to the electric action of human body, first sheet metal 5 and the second sheet metal 7 form electrical connection, now produce triggering signal (when this " triggering signal " refers to that the first sheet metal 5 and the second sheet metal 7 form electrical connection, power supply 3 send through the second sheet metal 7, the signal of the first actuating mechanism 6 is transferred to again through the first sheet metal 5) and transfer to the first actuating mechanism 6, it is inner that first actuating mechanism 6 controls pen core 2 penholder 1 of retracting, to remind writer's pen holding posture incorrect.

As Fig. 3 show the utility model embodiment the third smart pen of providing, composition graphs 3, below by the concrete control procedure of the actuating mechanism of detailed description first flip flop equipment 4, according to design of the present utility model, first flip flop equipment 4 such as comprises isolated first becket 101 and the second becket 102 being arranged on penholder 1 outer surface, and first actuating mechanism 6, this first actuating mechanism 6 can comprise circuit board 103, coil 122, magnet 123, lever thrust pin 124 etc., wherein, first becket 101 and the second becket 102 are electrically connected with circuit board 103, simultaneously circuit board 103 is electrically connected with the end of incoming cables of coil 122 and leading-out terminal respectively, a lever thrust pin 124 is had below coil 122, the afterbody of lever thrust pin 124 is provided with magnet 123, the afterbody of pen core 2 is provided with a pen core sheath 126, the afterbody of pen core sheath 126 is corresponding with the head of lever thrust pin 124 touches cooperation, two like magnetic poles repel each other between magnet 123 can be produced when coil 122 is energized, the active force that there is a natural attraction between the sexes, thus the head of lever thrust pin 124 is synchronously offset with the magnet 123 of its afterbody, and then make the head of lever thrust pin 124 and the portion of pen core sheath 126 from.The afterbody of penholder 1 is provided with power supply 3, and power supply 3 is fixed in the lumen caudal of penholder 1 by spring 112 and power supply cap 111, and power supply 3 is that circuit board 103 is powered by conducting ring 113 and wire.When writer hold a pen write time, if writer's finger touches the first becket 101 and the second becket 102 simultaneously, then due to the electric action of human body, first becket 101 and the second becket 102 form electrical connection, now produce triggering signal (when this " triggering signal " refers to that the first becket 101 and the second becket 102 form electrical connection, power supply 3 send through the second becket 102, the signal of the first actuating mechanism 6 is transferred to again through the first becket 101) and export circuit board 103 to, circuit board 103 is by after triggering signal process, export coil 122 to, coil 122 is energized, and produce two like magnetic poles repel each other between magnet 123, the active force that there is a natural attraction between the sexes, lever thrust pin 124 is made synchronously offset motion to occur with the magnet 123 of its afterbody, thus make the head of lever thrust pin 124 and the portion of pen core sheath 126 from, pen core sheath 126 loses the stop of the head of lever thrust pin 124, and then pen core 2 is retracted the inner chamber of penholder 1, cannot write, to remind writer's pen holding posture incorrect and to correct, thus make writer form good writing style, lay the foundation for writing out beautiful font on the other hand.When writer adopts correct pen holding posture, finger can not touch the first becket 101 and the second becket 102 simultaneously, then the first becket 101 and the second becket 102 cannot form electrical connection, circuit board 103 does not work, coil 122 does not have electric current to pass through not produce magnetic field, lever thrust pin 124 automatically resets again and props up the afterbody of pen core sheath 126 under self gravitation effect, the afterbody of pen core sheath 126 is provided with suit back-moving spring 125 on the end, now back-moving spring 125 makes pen core 2 reset stretch out penholder 1, and writer can normally write.

On conductor connections between the end of incoming cables of circuit board 103 and the first becket 101 and the second becket 102, coil 122 and leading-out terminal, power supply 3 and circuit board 103, the routine techniques means being arranged through those skilled in the art of electronic devices and components realize.

Meanwhile, the afterbody excircle of penholder 1 is provided with protruding 114, can prevent penholder 1 from rolling.In the utility model, projection is such as designed to graininess projection, or the polygon with proper width (such as 1mm) being designed to exceed penholder 1 outer surface is protruding, arbitrarily rolls when being positioned over desktop to prevent smart pen, thus the convenient placement when not needing to write.Further, projection can be multiple, and is looped around the peripheral part of described penholder.

Those skilled in the art can also recognize further, according to design of the present utility model, first flip flop equipment 4 preferably includes the detecting unit and the second actuating mechanism that are made up of sensor, this detecting unit is such as made up of touch sensor, or be made up of noncontacting proximity sensor, the preferred touch sensor of the utility model, this touch sensor, second actuating mechanism and power supply 3 are connected and are formed closed-loop path, when this touch sensor gets prearranged signals, generate triggering signal, this second actuating mechanism is when getting this triggering signal, control pen core 2 penholder 1 of retracting inner.According to design of the present utility model, touch sensor is such as temperature sensor, generates triggering signal when the temperature value that temperature sensor gets is greater than preset temperature threshold value; Can also be pressure sensor, generate triggering signal when the force value that pressure sensor gets is greater than predetermined threshold value; Can also be photoelectric sensor, generate triggering signal when the light flux values that photoelectric sensor gets is less than predetermined threshold value; Other sensors such as humidity sensor etc. can also known for those of ordinary skill in the art, to be applicable to different environment or occasion.Such as when smart pen of the present utility model works in low temperature environment, touch sensor is preferably temperature sensor, and when writer's pen holding posture is incorrect, the temperature that temperature sensor detects is greater than default environment temperature, then generate triggering signal; Such as when smart pen of the present utility model works in the good environment of light, touch sensor is preferably photoelectric sensor, and when writer's pen holding posture is incorrect, the light flux values that photoelectric sensor gets is less than predetermined threshold value, then generate triggering signal.

As Fig. 4 show the utility model embodiment the 4th kind of smart pen providing, according to design of the present utility model, the lumen caudal being arranged on penholder 1 can also be comprised and the second flip flop equipment be connected with pen core 2, power supply 3 is powered for this second flip flop equipment, when this second flip flop equipment is triggered, control pen core 2 penholder 1 of retracting inner, wherein this second flip flop equipment comprises: turning cylinder 115, weight block 104 is (in the utility model, also can be designed as weight, iron block etc.), infrared launcher, the infrared receiving device matched with this infrared launcher and the 3rd actuating mechanism, in the utility model, infrared launcher and infrared receiving device are such as designed to infrared-emitting diode and infrared receiving diode, can also be infrared emission triode and infrared receiver triode etc., be described for infrared-emitting diode 105 and infrared receiving diode 106 in Fig. 4, wherein, turning cylinder 115 is arranged along the length direction of penholder 1, two ends and the penholder 1 of turning cylinder 115 are freely rotationally connected, weight block 104 is fixedly connected on the side of turning cylinder 115, infrared-emitting diode 105 and infrared receiving diode 106 in the same way and be fixedly connected electrically in turning cylinder 115 with the opposite side of weight block 104, be respectively used to transmit and receive infrared signal, powered for turning cylinder 115 by power supply 3.When writer's eyes from the distance of books lower than normalized distance from (as lower than a chi) time, the infrared ray that infrared-emitting diode 105 sends has been blocked in writer face, the infrared signal of keeping off back is received by infrared receiving diode 106, infrared receiving diode 106 sends signal to the 3rd actuating mechanism, 3rd actuating mechanism gets triggering signal, thus it is inner and cannot write, to remind writer's writing posture incorrect and to correct to control pen core 2 penholder 1 of retracting.When writer's eyes from books distance keep normalized distance from time, because infrared receiving diode 106 does not receive reflected signal, the 3rd actuating mechanism is failure to actuate, back-moving spring 125 make pen core 2 reset stretch out penholder 1, writer can normally write.The structure of the 3rd actuating mechanism is similar to the course of work to the structure of the first actuating mechanism in accompanying drawing 2 to the course of work, for convenience and simplicity of description, the specific works process of the 3rd actuating mechanism, with reference to the corresponding process of the second actuating mechanism in previous embodiment, can not repeat them here.

According to design of the present utility model, the present embodiment can also carry out current limliting by being such as arranged on one or more resistance on turning cylinder 115 or circuit board 103 (such as resistance is the resistance of 2M Ω), the infrared emission distance making infrared-emitting diode 105 is predetermined value (being such as fixed on about 20cm), when writer's eyes from the distance of books be normalized distance just from critical time (as a chi), infrared ray touches face just, when this distance lower than normalized distance from time, infrared ray is stopped by face, infrared receiving diode 106 receives the signal kept off back, pen core 2 penholder 1 of retracting is inner, when writer's eyes from the distance of books keep normalized distance from time (as being greater than a chi), infraredly touch less than face, writer can normally write, thus accurately can identify the distance of eyes from books, monitors more accurate.

According to design of the present utility model, the turning cylinder 115 of the present embodiment is directly electrically connected with power supply 3 by the two ends of turning cylinder 115, and without the need to realizing being electrically connected by the conductive sleeve be sheathed on turning cylinder and the power spring that touches with this conductive sleeve all the time, thus enormously simplify preparation technology, reduce the volume and weight of smart pen.Simultaneously, turning cylinder 115 two ends are freely rotationally connected by two rotational support seats and penholder 1, two rotational support seats are placed in the two ends of turning cylinder 115 respectively, the two ends of turning cylinder 115 are designed to sphere or the conical surface, the surface design of rotational support seat is the concave surface or concave cone face that match with this sphere or the conical surface, the present embodiment is described for sphere, as in Fig. 4, concave surface rotational support seat 121, 107 are arranged on penholder 1 inside, the two ends of turning cylinder 115 are set to smooth sphere 120, 108, turning cylinder 115 is directly electrically connected with power supply 3 by the two ends of turning cylinder 115, when penholder 1 rotates, the smooth sphere 120 at the two ends of turning cylinder 115, 108 with concave surface rotational support seat 121, resistance between 107 is very little, make turning cylinder 115 and concave surface rotational support seat 121, 107 respectively formed freely be rotationally connected, when writer hold a pen arbitrarily write time, as long as penholder 1 is not in completely vertically state, (this state is little, usual penholder 1 can be in heeling condition a little), due to the Action of Gravity Field of weight block 104, weight block 104 can be in the direction, below (namely towards the direction of desktop or books) of turning cylinder 115 all the time, thus make to be fixed at the infrared-emitting diode 105 of turning cylinder 115 opposite side and infrared receiving diode 106 can all the time towards the direction of face.With can correct in prior art writer sitting posture smart pen compared with, its structure is simple, with low cost, and pen is lightweight, elegant in shape, be especially applicable to the daily use of writing of Children and teenager.

The utility model is by being arranged on the lumen caudal of penholder 1 and the second flip flop equipment be connected with pen core 2; writer is reminded to keep correct writing posture or sitting posture, to form good writing style and simultaneously can the normal physiological bending of vision protection and backbone.

Smart pen in the utility model, pen core 2 is installed in pen core sheath 126, and thus pen core 2 is changed conveniently, the multiple pen cores such as Neutral ball-point for ball-point pen, refill for ball-point pen, pencil-lead all can be installed in pen core sheath 126, one can pen use at most, and what can meet different writer writes demand, practical.

As Fig. 5 show according to the utility model embodiment a kind of outside drawing of smart pen product that provides, comprise smart pen and such as three pen cores be used interchangeably, be respectively Neutral ball-point for ball-point pen 11, refill for ball-point pen 10, pencil-lead 9, wherein pencil-lead 9 is automatic propelling, without the need to manually pressing knockout when writing, when lead be finished need to install new plumbous time, nib is to pusher, then unclamp, now residual lead meeting automatic spring, takes out residual lead, then new lead is carefully inserted pen core from pencil nib afterbody, taking advantage of a situation firmly pushes in aperture by pen core, namely completes installation.When pen core changed by needs, first from pen core sheath 126, extract old pen core, then load onto new pen core and push hard on earth, then loading onto pen core and tighten.The penholder head of smart pen is provided with the pen-holding groove 8 that three meet ergonomics, use comfortable, meet hard-tipped pen calligraphical works normalized written, the penholder lumen caudal of smart pen is provided with power supply, penholder inside is provided with actuating mechanism, penholder head is provided with the first flip flop equipment, penholder lumen caudal second flip flop equipment, that can supervise writer holds appearance and sitting posture, when the pen holding posture of writer or abnormal sitting posture true time, in pen core automatic retraction pen, remind the posture that writer corrects a mistake, to form good writing style and simultaneously can the normal physiological bending of vision protection and backbone, monitor sensitive, and ball pen, gel ink pen, pencil-lead can exchange use, practical.

The above; be only detailed description of the invention of the present utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; change can be expected easily or replace, all should be encompassed within protection domain of the present utility model.Therefore, protection domain of the present utility model should described be as the criterion with the protection domain of claim.

Claims

1. a smart pen, is characterized in that, comprising:

Penholder, be arranged on the pen core of described penholder inside;

Be arranged on described penholder head, and the first flip flop equipment be connected with described pen core, inner for controlling described pen core described penholder of retracting when being triggered;

The power supply be electrically connected with described first flip flop equipment, for powering for described first flip flop equipment.

2. smart pen according to claim 1, is characterized in that, described first flip flop equipment comprises:

First sheet metal, the second sheet metal and the first actuating mechanism;

Described first sheet metal, described first actuating mechanism, described power supply and described second sheet metal series connection;

Have gap between described first sheet metal and described second sheet metal, when described first sheet metal and described second sheet metal form electrical connection, it is inner that described first actuating mechanism controls described pen core described penholder of retracting.

3. smart pen according to claim 1, is characterized in that, described first flip flop equipment comprises:

Touch sensor and the second actuating mechanism;

Described touch sensor, described second actuating mechanism and described power sources in series form closed-loop path;

When described touch sensor gets prearranged signals, generate triggering signal, described second actuating mechanism, when getting described triggering signal, controls described pen core described penholder of retracting inner.

4. smart pen according to claim 3, is characterized in that:

Described touch sensor is photoelectric sensor, when the light flux values that described photoelectric sensor gets is less than predetermined threshold value, generates described triggering signal.

5. the smart pen according to any one of Claims 1 to 4, is characterized in that, also comprises:

Second flip flop equipment, described second flip flop equipment comprises: turning cylinder, weight block, infrared launcher, the infrared receiving device matched with described infrared launcher and the 3rd actuating mechanism, described turning cylinder is arranged along the length direction of described penholder, and the two ends of described turning cylinder and described penholder are freely rotationally connected, described weight block is fixedly connected with the side of described turning cylinder, described infrared launcher and described infrared receiving device being fixedly connected with in the opposite side of described weight block in the same way respectively at described turning cylinder, and be respectively used to transmit and receive infrared signal, when described infrared receiving device receives described infrared signal, it is inner that described 3rd actuating mechanism controls described pen core described penholder of retracting.

6. smart pen according to claim 5, is characterized in that: the infrared emission distance of described infrared launcher is predetermined value.

7. smart pen according to claim 5, is characterized in that, described turning cylinder is connected with described power electric by the two ends of described turning cylinder.

8. smart pen according to claim 7, it is characterized in that, also comprise: two the rotational support seats being placed in described turning cylinder two ends respectively, the two ends of described turning cylinder are sphere or the conical surface, the surface of described rotational support seat is the concave surface or concave cone face that match with described sphere or the conical surface, and the two ends of described turning cylinder are rotationally connected by described sphere or the conical surface and two described rotational support seats.

9. the smart pen according to any one of Claims 1 to 4,6 ~ 8, is characterized in that: described penholder periphery is provided with projection.

10. smart pen according to claim 9, is characterized in that: described projection is multiple, and is looped around the peripheral part of described penholder.