CN101148136A

CN101148136A - Full-automatic myopia and humpback prevention students writing pen

Info

Publication number: CN101148136A
Application number: CNA2006100690229A
Authority: CN
Inventors: 林文; 林爱金
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-09-18
Filing date: 2006-09-18
Publication date: 2008-03-26

Abstract

The automatic writing pen for pupil capable of preventing myopia and humpback has one circuit board, one weight block in the bottom side of the circuit board, one infrared receiving tube and one infrared emitting tube serving as a probe fixed in the upper side of the circuit board, one spike fixed in the tail of the circuit board, and spike seats set separately in the tail of the tubular skeleton and the tail of the transparent holder to support the spike. During writing, the weight block under the action of the gravity is always in the lower end of the circuit board so as to make the infrared receiving tube and the infrared emitting tube head to the face of the user. The automatic writing pen has also one conducting casing, one conducting spring and one battery. The automatic writing pen can remind the user to keep correct writing posture at all times to prevent myopia and humpback. It has simple making process, good look, low cost and other features.

Description

Full-automatic myopia, humpback prevention students writing pen

Technical field

The present invention relates to a kind of lettering pen tool, particularly a kind of full-automatic myopia, humpback prevention students writing pen that helps children and teenager's sight protectio.

Background technology

Present lettering pen tool as children and teenager's use, various pencils, ball pen, neutral water-color paintbrush etc. are arranged, above-mentioned all tools are except writing function, eyes in the time of all can not allowing the student write and desktop keep normalized distance from writing with correct body position, cause myopia or other vision disorder easily, because of the fault of writing for a long time, cause very easily that also bow-backed phenomenon appears in the distortion of student's spinal curvature.The inventor once designed a kind of " myopia prevention solar energy auto-control lettering pen " (patent No. ZL02215255.5), the back is designed another kind " two anti-intelligent writing pen " (patent No.: ZL200420098052.9) again on the basis of aforementioned techniques, this lettering pen comprises the nib that the clamping pen core is used, pen cap, penholder, circuit board, be provided with the movable pen core cover that a tail end has projection at inner chamber near the pen cap of written direction, put at this pen core and to be set with back-moving spring, and be provided with back-up ring at its front end, the stage casing of penholder inner chamber be provided with one can with the corresponding lever thrust pin that touches cooperation of pen core tail end projection, on the circuit board of the posterior segment of penholder inner chamber, fixedly be equiped with a pair of infrared (line) transmitting tube and the receiving tube that plays the probe effect, a disposable weight piece is equipped with in the tail end outside at penholder, end section at the pen cap inner chamber fixedly is equiped with tubular skeleton, in tubular skeleton, be wound with when energising and can produce the coil in magnetic field, and the action that can match with the magnet piece of the fixing installing of lever thrust pin afterbody, can produce magnetic field when coil electricity repels each other to the magnet piece generation same sex, the active force that there is a natural attraction between the sexes, the action that lever thrust pin is offset synchronously together with the magnet piece of its tail end, thereby make pen core retraction nib under the effect of back-moving spring inner and can not write, used circuit board has in movable axis of fixedlying connected with it and the inner chamber that is installed in penholder by several rolling bearings, used weight block is to fixedly connected with movable axis, inner chamber at weight block is equipped with the battery that power supply is provided, under the gravity effect, weight block and battery thereof can be in the below of rear end penholder all the time, thereby can make the infrared emission tube that is fixed on the circuit board and receiving tube all the time all towards people's face direction when writing holding a pen arbitrarily as the student.This patented technology can be corrected sitting posture of student automatically, keeps normalized distance from writing.Its shortcoming is the weight block and the solar panel (or battery) of outlet structure fixing on the movable axis of penholder rear end, cause outward appearance ugly, and the movable axis and the wiring board (circuit board) of fixedlying connected with it are to be installed in the inner chamber of penholder body by rolling bearing, this use miniature bearing is made and is installed, there are complex process, cost height, the weight of pen lays particular stress on, and poor practicability is not suitable for drawbacks such as production in enormous quantities.

Summary of the invention

The objective of the invention is to overcome the deficiency of prior art; thereby provide a kind of full-automatic myopia, humpback prevention students writing pen; it can not only remind the student to rectify writing posture at any time, keeps normal Writing distance, with vision protection, prevent myopia; prevent hunchback; and it is simple to have manufacturing process, and assembling easily, and is goodlooking; characteristics such as cost reduces in light weight, and practicality is good.

The present invention realizes with following technical scheme: it is to improve to form on the basis of prior art, it still comprises the nib that the clamping pen core is used, pen cap, transparent pen arm, battery as power supply, circuit board and weight block, inner chamber at pen cap is provided with the movable pen core cover that a tail end has projection, put at this pen core back-moving spring is housed, be provided with one at pen cap (stage casing) inner chamber and can overlap the corresponding lever thrust pin that touches cooperation of tail end projection with pen core, on the circuit board of transparent pen arm inner chamber, fixedly be equiped with the infrared receiving tube and the infrared transmitting tube of a pair of probe usefulness, middle rear end part at the pen cap inner chamber fixedly is equiped with tubular skeleton, in tubular skeleton, be wound with when energising and can produce the coil (available enamel-covered wire turns to the solenoid type structure) in magnetic field, and the action that can match with the magnet piece of the fixing installing of lever thrust pin afterbody, can produce magnetic field when solenoid type coil (the enamel-covered wire line directly may be selected to be φ 0.01mm～φ 1mm) is switched on repels each other to the magnet piece generation same sex, the active force that there is a natural attraction between the sexes, make lever thrust pin that the action of skew swing can take place synchronously together with the magnet piece of its tail end, thereby make pen core retraction nib under the effect of back-moving spring inner and can not write, it is characterized in that:

A. described weight block directly is fixed at the front end bottom surface of circuit board, the described infrared receiving tube of probe effect and the rear end upper surface (promptly being installed in the one side opposite with weight block) that infrared transmitting tube is separately fixed at the circuit board of opposite one side with weight block in the same way of plaing.

B. be fixed with two thimbles (top) 31 and thimble 20 (see figure 1)s respectively at the two ends end to end of described circuit board, being provided with a thimble seat 32 at the tail end of described tubular skeleton cooperates with the thimble 31 of circuit board head end and contacts support, being provided with another thimble seat 21 at the afterbody inner chamber of transparent pen arm cooperates with the thimble 20 of circuit board tail end and contacts support, when supporting between two thimbles and the thimble seat to contact area very little, resistance when causing rotating contact is also very little, when the student is holding a pen arbitrarily when writing, under the effect of weight block self gravitation, weight block can be in the below direction of circuit board all the time, thereby make the infrared emission tube that is fixed at circuit board top and infrared receiving tube all the time all towards the direction of people's face, and cause the infrared probe control circuit board to get electric work, allow coil electricity make the thrust pin do the skew action, allowing pen core shrink can't write.

C. hold a pen when writing the student, because circuit board can rely on the thimble at its two ends ceaselessly to do irregular rotation at the penholder inner chamber, for solving its conduction problem, head end at circuit board is provided with a conductive sleeve, be provided with a power spring that is connected with power supply (battery) at the inner chamber of the pen cap of relevant position, conductive sleeve place, the conductive contact on this power spring (electrical contact) end touches all the time on the periphery of this conductive sleeve.

Above-mentioned technical solution of the present invention also can further be specially:

One, described battery as power supply is also directly installed the tail end inner chamber that is arranged at the penholder body.

Two, described infrared (line) receiving tube that plays the probe effect and infrared (line) transmitting tube place the inner chamber (see figure 1) of pipe box 16 separately and 27 respectively, and be installed in the upper surface of circuit board respectively by pipe box, above-mentioned this infrared receiving tube and transmitting tube are positioned on the opposite installed surface with weight block, make when the student holds the pen cap front end arbitrarily and writes, because circuit board is under the gravity effect of weight block, no matter how circuit board to rotate, infrared receiving tube and infrared transmitting tube are all the time all towards the direction of people's face.The present invention packs infrared receiving tube into and receives in the pipe box inner chamber, and infrared transmitting tube is packed into and launched in the cannula cavity, makes the infrared signal energy directional transmissions and the directional reception of modulation, can improve antijamming capability, does not produce misoperation.

Three, be fixed with the on-off circuit of switch plate (switch contact) and corresponding switch reed composition at the lateral surface of described pen cap, the back end memory of switch reed is in the inside of pen cap, the front end of this switch reed has an arc convex and exceeds the pen cap periphery, and can directly be pushed by the pen cap, when pen cap cover is incorporated into pen cap, can cut off the power supply of circuit board, when transfering to the pen cap, under the reseting elasticity effect of switch reed, switch reed and switch plate touch can connect the power supply (see figure 3).

Compared with the prior art; lettering pen of the present invention can not only remind the student to rectify writing posture at any time; keep normal Writing distance; prevent myopia with vision protection; prevent hunchback; and will be original external weight block and power-supply battery thereof the inner chamber that is built in penholder; thimble structure with the circuit board two ends replaces the movable axis of fixing with circuit board and goes up the rolling bearing structure of installing; have more that manufacturing process is simple, assembling easily; outward appearance is succinctly good-looking; in light weight, the cost cost is low, practical characteristics.

Description of drawings

Fig. 1 is a kind of assembly structure schematic diagram of the present invention.

Fig. 2 is the schematic diagram when reaching lever thrust pin deviation post in the pen core retraction nib.

Fig. 3 is the schematic diagram of pen cap cover breaking circuit plate power supply when being incorporated into pen cap.

The specific embodiment

With reference to accompanying drawing as can be known, constitute in the specific implementation the present invention write the pen parts comprise: 1-pen core, 2-nib, the 3-back-up ring, the movable pen core cover of 4-, 41-projection, the 5-pen cap, 6-back-moving spring, 7-lever thrust pin, 8-switch reed, 9-switch plate (switch contact), the tubular skeleton of 10-(coil rack), 11-coil (winding), 12-switch reed positive wire, 13-switch plate positive wire, the 14-conductive sleeve, the 15-circuit board, 16-receives pipe box, the 17-infrared receiving tube, 18-transparent plastic penholder, 19-infrared transmitting tube, the 20-thimble, 21-thimble seat, 22-battery spring seat, 2 3-batteries, 24-tail cap, 25-battery spring seat centring ring, the 26-spring, 27-launches pipe box, 28-coil cathode conductor, 29-weight block (weight), 30-power spring, 31-thimble, the 32-thimble seat, 33-magnet, 34-pin.

The annexation and the operation principle of each parts are as follows: with reference to Fig. 1 as can be known, the present invention improves to form on the basis of prior art: the inner chamber at pen cap 5 is provided with the movable pen core cover 4 that an afterbody has projection 41, on this pen core cover 4, back-moving spring 6 is housed, and be provided with back-up ring 3 at front end, be provided with one at the middle part of pen cap 5 inner chamber and can overlap 4 tail ends projection, the 41 corresponding lever thrust pins 7 that touch cooperation with pen core, fixedly be equiped with tubular skeleton 10 at pen cap 5 inner chambers, tubular skeleton can produce the coil 11 in magnetic field (magnetic line of force) when being wound with energising in (easily claiming bobbin), lever activity thrust pin 7 is by the inner chamber of pin 34 movable assemblings (hinged) at pen cap 5, leave gap (0.01mm-1mm) between the projection 41 of the front end of thrust pin 7 and movable pen core cover 4, so just unlikely influence its do in case of necessity about (or front and back) skew work, the afterbody of coil and lever thrust pin 7 is fixed, action matches with the magnet piece 33 that is equiped with, the magnet piece 33 generation same sexes are repelled each other when coil electricity produces magnetic field, the active force that there is a natural attraction between the sexes, make lever thrust pin 7 be offset the action of (moving on the lower side) synchronously, thereby make pen core 1 retraction nib 2 inner chambers and the (see figure 2) of can not writing together with the magnet piece 33 of its tail end.

Described thimble seat 21 is fixed in the transparent pen arm 18 tail end inner chambers, and packed battery is respectively charged in the inner chamber of transparent pen arm 18 tail ends with spring 26 and spring compressor 22, and battery spring seat 25 is fixed on the transparent pen arm 18 tail end inner cavity surface.Battery 23 is packed in the transparent pen arm 18 tail end inner chambers, pack into the tail end of transparent pen arm 18 of tail cap 24.Another thimble seat 32 is fixed in tubular skeleton 10 inner chambers, thimble 31 and conductive sleeve 14 are separately fixed at circuit board 15 front ends, thimble 20 is fixed on the rear end of circuit board 15, the C end of power spring 30 is fixed on tubular skeleton 10 surfaces and upward and with the proper polar curve of C of coil windings 11 is connected, the proper utmost point of the C of coil windings touches on conductive sleeve 14 outer round surface by the E end contact of power spring 30, and conductive sleeve 14 conducts electricity to the circuit board positive pole.The F end of the D of coil windings 11 end negative pole by lead 28 is fixed on the thimble seat 21 and battery 23 negative poles touch battery spring cap 22, battery spring 26 also touches thimble seat 21, and both negative poles are by thimble 20 (both negative poles are shared negative pole) to the circuit board negative pole.

Be fixed with switch plate 9 and switch reed 8 at described pen cap 5 lateral surfaces, be stored in pen cap 5 inside in the afterbody of switch reed.Battery 23 positive poles are fixed on the switch plate 9 by the A end of lead 13, conduct electricity through switch plate 9 and fix with the B end of lead 12 to switch reed 8, and the other end and thimble seat 32 are fixing, conduct electricity to thimble 31 to circuit board on 15 positive poles again.

Described reception pipe box 16, infrared receiving tube 17 and emission pipe box 27, infrared transmitting tube 19 are separately fixed at circuit board 15 fronts, and upward (infrared receiving tube 17 is packed in receiving tube sleeve pipe 16 inner chambers, infrared transmitting tube 19 is packed in emission pipe box 27 inner chambers, make the infrared signal energy directional transmissions and the directional reception of modulation improve antijamming capability), weight block 29 is fixed on circuit board front end bottom surface, and circuit board 15 is packed in plastic penholder 18 inner chambers.When student's forefinger and thumb are being held pen cap 5 front ends arbitrarily and are being write, because of thimble 31 contacts with thimble seat 32, resistance was very little when thimble 20 contacted rotation with thimble seat 21, again because circuit board 15 under the gravity effect of weight block 29, makes infrared receiving tube 17 and infrared transmitting tube 19 all the time all towards the direction of people's face.When student's eyes are lower than normalized distance from (as being lower than 100mm) when writing, infrared transmitting tube 19 has been blocked in face, the infrared signal that keeps off is back received by infrared receiving tube 17, make circuit board 15 get electric work, electric current enters coil 11, coil will produce magnetic field, there is the same sex to repel each other according to magnetic, the principle that there is a natural attraction between the sexes, the magnet piece 33 that is fixed on movable thrust pin 7 tail ends is moved down, drive movable thrust pin 7 and also do the skew action, the rearward end 4.1 of pen core 1 and pen core cover 4 is not blocked by this thrust pin, will shrink in written 2 endoporus and see (Fig. 2), force the student to write, when student's eyes keep normalized distance from (greater than 100mm) when writing, because of infrared receiving tube 17 does not receive the reflection signal, circuit board 15 not conductings, coil 11 does not have electric current to pass through not produce magnetic field, movable thrust pin 7 automatically resets again under the self gravitation effect and props up pen core 1 (projection of pen core cover 4.1), meanwhile, back-moving spring 6 allows pen core 1 reset to stretch out nib 2, returns to and can write the word state (see figure 1) again.

When the pen cap 35 covers are incorporated into pen cap 5, leave the position (see figure 3) of switch plate 9 salient points because of the effect switch reed 8 of elastic force, can cut off circuit board 15 power supplys, the salient point of switch reed 8 and switch plate 9 touches and can connect power supply when transfering to the pen cap 35, and above-mentioned switch plate 9 and switch reed 8 are formed an on-off circuit.

Claims

1. full-automatic myopia, humpback prevention students writing pen, it comprises the nib (2) of clamping pen core (1) usefulness, pen cap (5), transparent pen arm (18), battery as power supply, circuit board (15) and weight block (29), inner chamber at pen cap (5) is provided with the movable pen core cover (4) that a tail end has projection (41), put at this pen core back-moving spring (6) is housed, be provided with one at pen cap (5) inner chamber and can overlap the corresponding lever thrust pin (7) that touches cooperation of tail end projection (41) with pen core, circuit board (15) at transparent pen arm (18) inner chamber is gone up infrared receiving tube (17) and the infrared transmitting tube (19) that fixedly is equiped with a pair of probe usefulness, middle rear end part at pen cap (5) inner chamber fixedly is equiped with tubular skeleton (10), can produce the coil (11) in magnetic field when in tubular skeleton (10), being wound with energising, and the action that can match with the magnet piece (33) of the fixing installing of lever thrust pin (7) afterbody, can produce magnetic field when solenoid type coil (11) is switched on repels each other to magnet piece (33) the generation same sex, the active force that there is a natural attraction between the sexes, make lever thrust pin (7) that the action of skew swing can take place synchronously together with the magnet piece (33) of its tail end, thereby make pen core (1) retraction nib (2) under the effect of back-moving spring (6) inner and can not write, it is characterized in that:

A. described weight block (29) directly is fixed at the front end bottom surface of circuit board (15), the described infrared receiving tube (17) of probe effect and the rear end upper surface that infrared transmitting tube (19) is separately fixed at the circuit board (15) of opposite one side with weight block (29) in the same way of plaing.

B. be fixed with thimble (31) and thimble (20) respectively at the two ends end to end of described circuit board (15), being provided with a thimble seat (32) at the tail end of described tubular skeleton (10) cooperates with the thimble (31) of circuit board head end and contacts support, being provided with another thimble seat (21) at the afterbody inner chamber of transparent pen arm (18) cooperates with the thimble (20) of circuit board tail end and contacts support, when the student holds a pen arbitrarily when writing, under the effect of weight block (29) self gravitation, weight block can be in the below direction of circuit board all the time, thereby make the infrared transmitting tube (19) that is fixed at circuit board (15) top and infrared receiving tube (17) all the time all towards the direction of people's face, and make circuit board work allow coil (11) switch on.

C. the head end at described circuit board (15) is provided with a conductive sleeve (14), pen cap (5) inner chamber in relevant position, conductive sleeve place is provided with a power spring that is connected with battery (30), and the conductive contact end on this power spring touches all the time on the periphery of this conductive sleeve (14).

2. full-automatic myopia according to claim 1, humpback prevention students writing pen is characterized in that: described battery as power supply (23) is directly installed the tail end inner chamber that is arranged at the penholder body.

3. full-automatic myopia according to claim 1, humpback prevention students writing pen, it is characterized in that: described infrared receiving tube (17) that plays the probe effect and infrared transmitting tube (19) place the inner chamber of pipe box (16) and (27) separately respectively, and be installed in the upper surface of circuit board (15) respectively by pipe box, promptly be positioned on the opposite installed surface with weight block, when the student holds pen cap (15) arbitrarily when front end writes, circuit board (15) under the gravity effect of weight block (29), infrared receiving tube (17) and infrared transmitting tube (19) can be all the time towards the direction of people's face.

4. full-automatic myopia according to claim 1, humpback prevention students writing pen, it is characterized in that: the on-off circuit that is fixed with switch plate (9) and corresponding switch reed (8) composition at the lateral surface of described pen cap (5), the back end memory of switch reed (8) is in the inside of pen cap (5), the front end of this switch reed (8) has an arc convex and exceeds pen cap (5) periphery, and can directly be pushed by the pen cap (35), when the pen cap (35) cover is incorporated into pen cap (5), can cut off the power supply of circuit board (15), when transfering to the pen cap (35), switch reed (8) can touch to connect power supply with switch plate (9).