Summary of the invention
The present invention is to provide to overcome the shortcomings of that pen tip is easily broken in the prior art and a kind of be not easy to break the anti-of pen tip
Fall pen.
To achieve the goals above, the invention adopts the following technical scheme:
A kind of Antibreaking pen, it includes pen tube and pen core, and one end of the pen tube is equipped with pen point casing, the other end of the pen tube
Equipped with USB charge port, the pen point casing is threadedly coupled with pen tube, and the pen tube is equipped with capacitor, and the capacitor, which is located at, to be leaned on
One end of nearly pen point casing, the pen tube and pen point casing constitute a cavity, and the pen core is within the cavity, is equipped in the cavity
Battery, circuit board and electromagnetic induction coil, the electromagnetic induction coil are fixedly connected with pen tube, the pen core be equipped with magnet and
Reset spring, the magnet are fixedly connected with pen core, and the magnet is located at close to one end of pen point casing, the electromagnetic induction coil
Be located remotely from one end of pen point casing, one end of the reset spring is fixedly connected with pen core, the other end of the reset spring with
Pen point casing connection, the USB charge port is electrically connected with battery, and the battery, electromagnetic induction coil and capacitor are and circuit board
Electrical connection.
One end of pen tube is equipped with pen point casing, and the other end of pen tube is equipped with USB charge port, convenient for charging the battery;Pen point casing
It being threadedly coupled with pen tube, pen tube is equipped with capacitor, and capacitor is located at close to one end of pen point casing, and capacitor is contacted with finger,
Since human body belongs to electric conductor and has electrostatic, so that capacitor generates voltage change;Pen tube and pen point casing constitute a cavity,
Pen core is within the cavity, and battery, circuit board and electromagnetic induction coil, electromagnetic induction coil and the fixed company of pen tube are equipped in cavity
It connects, pen core is equipped with magnet and reset spring, and magnet is fixedly connected with pen core, and magnet is located at close to one end of pen point casing, electromagnetism
Induction coil is located remotely from one end of pen point casing, and after circuit board collects the voltage change of capacitor generation, circuit board passes through letter
The both ends of electromagnetic induction coil and battery are connected in number processing, magnetic field are generated after electromagnetic induction coil electrification, so that electromagnetic induction
Coil is identical mutually exclusive by one end of near magnet and one end magnetic pole of magnet adjacent thereto, pen core is ejected pen point casing, just
In writing;One end of reset spring is fixedly connected with pen core, and the other end of reset spring is connect with pen point casing, the magnetic of electromagnetic induction
When field disappears, pen core is retracted in pen point casing by reset spring, plays the effect of protection pen core;USB charge port is electrically connected with battery
It connects, battery, electromagnetic induction coil and capacitor are and circuit board electrical connection.Achieve the purpose that be not easy to break pen tip.
Preferably, capacitor includes conductive rubber, electro-insulating rubber and capacitor plate, conductive rubber and capacitor plate with
Circuit board electrical connection, between conductive rubber and capacitor plate, the side of capacitor plate connects electro-insulating rubber with electro-insulating rubber
Touching, the other side of capacitor plate are equipped with several pieces of locating pieces, and when finger grip pen, finger is contacted with conductive rubber, due to human body
Belong to electric conductor and have electrostatic, leads to that charge movement occurs between conductive rubber and human body, to influence conductive rubber and electricity
The voltage for holding the capacitor both ends of pole plate composition makes it generate variation, after circuit board collects the voltage change of capacitor generation,
Circuit board is connected the both ends of electromagnetic induction coil and battery by signal processing, generates magnetic field after electromagnetic induction coil electrification;
Locating piece is within the cavity, and the both ends of locating piece are slidably connected with pen tube inner wall, the effect masterpiece that when finger grip pen generates
With on locating piece, because the both ends of locating piece are slidably connected with pen tube inner wall, so that the middle section of locating piece is deformed inward
Pen core is blocked, pen core inside contracts when convenient for preventing from writing.
Preferably, locating piece includes spring steel plate one, spring steel plate two and spring steel plate three, the shape of spring steel plate one
For L-type, the shape of spring steel plate three is arc, and spring steel plate one is made of a long side and a short side, one end of long side with
The inner wall of pen tube is slidably connected, and the other end of long side is fixedly connected with one end on short side far from pen core, close to pen core on short side
One end be fixedly connected with spring steel plate three, one end of spring steel plate three is fixedly connected with short side, the other end of spring steel plate three
It is slidably connected with the inner wall of pen tube, spring steel plate two is located between spring steel plate one, spring steel plate three and capacitor plate, spring steel
The shape of piece two is arc, and the outer surface of spring steel plate one, spring steel plate two and spring steel plate three is coated with electro-insulating rubber body,
One end of spring steel plate two is fixedly connected with the long side on spring steel plate one, and the other end and spring steel plate three of spring steel plate two are solid
Fixed connection, the middle section of spring steel plate two are in contact with capacitor plate, spring steel plate one, spring steel plate two and spring steel plate three
Outer surface be coated with electro-insulating rubber body, the charge on interference capacitors plate is prevented, to influence magnet performance;Finger when writing
It is grasped at conductive rubber, the active force of generation is transmitted on spring steel plate one and spring steel plate three by spring steel plate two, is made
The intermediate dogleg section for obtaining spring steel plate one, which moves inward, blocks pen core, increases the stability of pen core when writing.
Preferably, the sliding slot one that the inner wall of pen tube matches equipped with one end of several and long side, one end of long side
In sliding slot one, one end of long side is slidably connected by sliding slot one and the inner wall of pen tube, and the inner wall of pen tube is equipped with several
One end of the sliding slot two to match with one end of spring steel plate three, spring steel plate three is located in sliding slot two, and the one of spring steel plate three
End is slidably connected by sliding slot two and the inner wall of pen tube.One end of spring steel plate one is moved in sliding slot one, spring steel plate three
One end is moved in sliding slot two, conducive to the compression and reset of spring steel plate one and spring steel plate three.
Preferably, the position of magnet is corresponding with the position of spring steel plate one, because magnet is to be fixedly connected with pen core, when
When active force is acted on spring steel plate one, the short side on spring steel plate one is contacted with the upper surface of magnet, to reach fixed
The effect of position pen core.
Preferably, electromagnetic induction coil is cylindrical, pen core is through electromagnetic induction coil and sliding with electromagnetic induction coil
The end of dynamic connection, electromagnetic induction coil is equipped with fixed block, and fixed block is fixedly connected with the inner wall of pen tube, leads when finger touches
When electric rubber, electromagnetic induction coil generates electromagnetic field and magnet generates repulsive force, and magnet drives pen core downlink, by the nib of pen core
It releases outside pen point casing, magnet, which is just moved to spring steel plate one, at this time can block the position of magnet, when writing, due to active force
It increases, the short side on spring steel plate one is enabled to play good positioning action to pen core;When finger is detached from conductive rubber,
Spring steel plate one resets, and the electromagnetic field that electromagnetic induction coil generates disappears, and magnet drives pen core to retract in pen point casing, when pen is from table
Face can also protect nib when falling, at this time according to h=gt2/ 2, general desk height is 0.5m, then calculates to obtain t=0.32S,
Both when pen is fallen from desk, the nib that finger is detached from after conductive rubber in 0.32 second on pen core must retract ability in pen point casing
Prevent nib from pounding to ground.
Preferably, one end of pen point casing is threadedly coupled with pen tube, the other end of pen point casing is equipped with through-hole, and pen core includes ink
Water pipe and nib, ink barrel are fixedly connected with nib, ink barrel and nib junction be equipped with convex block, one end of reset spring with
Convex block is fixedly connected, and the other end of reset spring is connect with pen point casing, and one end that reset spring is connect with pen point casing is located at through-hole
Side, nib is located in reset spring, and when finger is detached from conductive rubber, spring steel plate one resets, and reset spring has compression
State reset rebound, nib is retracted in pen point casing, prevents nib from breaking.
The beneficial effects of the present invention are: electromagnetic induction coil generates electromagnetic field and magnetic when finger touches conductive rubber
Iron generates repulsive force, and the nib of pen core is released outside pen point casing, convenient for writing;Short side when writing on spring steel plate one is to pen core energy
Enough play good positioning action;When finger is detached from conductive rubber, spring steel plate one resets, the electricity that electromagnetic induction coil generates
Magnetic field disappears, and magnet drives pen core to retract in pen point casing, protection nib.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention;
The structural schematic diagram when present invention writes when Fig. 2;
Fig. 3 is the partial enlarged view of a-quadrant in Fig. 1;
Fig. 4 is the partial enlarged view of B area in Fig. 2;
Fig. 5 is circuit diagram of the invention.
In figure: 1. pen tubes, 2. pen cores, 3. pen point casings, 4.USB charge port, 5. capacitors, 6. cavitys, 7. batteries, 8. circuits
Plate, 9. electromagnetic induction coils, 10. magnet, 11. reset springs, 12. conductive rubbers, 13. electro-insulating rubbers, 14. capacitor plates, 15.
Locating piece, 16. spring steel plates one, 17. spring steel plates two, 18. sliding slots one, 19. fixed blocks, 20. through-holes, 21. ink barrels, 22.
Nib, 23. convex blocks, 24. spring steel plates three, 25. sliding slots two.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and detailed description.
In the embodiment described as shown in Figure 1, Figure 2, a kind of Antibreaking pen, including pen tube 1 and pen core 2, one end of pen tube 1 are equipped with pen
The other end of headgear 3, pen tube 1 is equipped with USB charge port 4, and pen point casing 3 is threadedly coupled with pen tube 1, and pen tube 1 is equipped with capacitor 5,
Capacitor 5 is located at close to one end of pen point casing 3, and pen tube 1 and pen point casing 3 constitute a cavity 6, and pen core 2 is located in cavity 6, chamber
Battery 7, circuit board 8 and electromagnetic induction coil 9 are equipped in body 6, electromagnetic induction coil 9 is fixedly connected with pen tube 1, sets on pen core 2
There are magnet 10 and reset spring 11, magnet 10 is fixedly connected with pen core 2, and magnet 10 is located at close to one end of pen point casing 3, electromagnetism sense
Coil 9 is answered to be located remotely from one end of pen point casing 3, reset spring 11 is placed on the side of pen core 2, one end of reset spring 11 and pen
Core 2 is fixedly connected, and the other end of reset spring 11 is connect with pen point casing 3, and USB charge port 4 is electrically connected with battery 7, battery 7, electricity
Magnetic induction coil 9 and capacitor 5 are electrically connected with circuit board 8.
As shown in figure 3, figure 4 and figure 5, capacitor 5 includes conductive rubber 12, electro-insulating rubber 13 and capacitor plate 14, conductive rubber
Glue 12 is electrically connected with circuit board 8 with capacitor plate 14, and electro-insulating rubber 13 is between conductive rubber 12 and capacitor plate 14, electricity
The side for holding pole plate 14 is in contact with electro-insulating rubber 13, and the other side of capacitor plate 14 is equipped with several pieces of locating pieces 15, locating piece
15 are located in cavity 6, and the both ends of locating piece 15 are slidably connected with 1 inner wall of pen tube.
As shown in Figure 3, Figure 4, locating piece 15 includes spring steel plate 1, spring steel plate 2 17 and spring steel plate 3 24, bullet
The shape of spring steel disc 1 is L-type, and the shape of spring steel plate 3 24 is arc, and spring steel plate 1 is short by a long side and one
Side composition, one end of long side and the inner wall of pen tube 1 are slidably connected, and one end on the other end and short side of long side far from pen core 2 is solid
Fixed to connect, one end on short side close to pen core 2 is fixedly connected with spring steel plate 3 24, and one end of spring steel plate 3 24 and short side are solid
Fixed connection, the other end of spring steel plate 3 24 and the inner wall of pen tube 1 are slidably connected, and spring steel plate 2 17 is located at spring steel plate one
16, between spring steel plate 3 24 and capacitor plate 14, the shape of spring steel plate 2 17 is arc, spring steel plate 1, spring steel
The outer surface of piece 2 17 and spring steel plate 3 24 is coated with electro-insulating rubber body, one end of spring steel plate 2 17 and spring steel plate one
Long side on 16 is fixedly connected, and the other end of spring steel plate 2 17 is fixedly connected with spring steel plate 3 24, spring steel plate 2 17
Middle section is in contact with capacitor plate 14.The sliding slot one that the inner wall of pen tube 1 matches equipped with one end of several and long side
18, one end of long side is located in sliding slot 1, and one end of long side is slidably connected by sliding slot 1 and the inner wall of pen tube 1, pen tube 1
Inner wall be equipped with the sliding slot 2 25 that one end of several and spring steel plate 3 24 matches, one end of spring steel plate 3 24 is located at
In sliding slot 2 25, one end of spring steel plate 3 24 is slidably connected by sliding slot 2 25 and the inner wall of pen tube 1.The position of magnet 10 with
The position of spring steel plate 1 is corresponding.
As shown in Figure 1 and Figure 2, electromagnetic induction coil 9 is cylindrical, pen core 2 through electromagnetic induction coil 9 and with electromagnetism sense
Coil 9 is answered to be slidably connected, the end of electromagnetic induction coil 9 is equipped with fixed block 19, the fixed company of the inner wall of fixed block 19 and pen tube 1
It connects.One end of pen point casing 3 is threadedly coupled with pen tube 1, and the other end of pen point casing 3 is equipped with through-hole 20, and pen core 2 includes 21 He of ink barrel
Nib 22, ink barrel 21 are fixedly connected with nib 22, and the junction of ink barrel 21 and nib 22 is equipped with convex block 23, reset spring 11
One end be fixedly connected with convex block 23, the other end of reset spring 11 is connect with pen point casing 3, and reset spring 11 and pen point casing 3 connect
The one end connect is located at the side of through-hole 20, and positioned at the side of through-hole 20, nib 22 is located in reset spring 11.
Working principle: when finger touches conductive rubber 12, since human body belongs to electric conductor and has electrostatic, cause to lead
It is mobile that charge occurs between electric rubber 12 and human body, to influence 5 liang of capacitor that conductive rubber 12 is formed with capacitor plate 14
The voltage at end makes it generate variation, and after circuit board 8 collects the voltage change of the generation of capacitor 5, circuit board 8 passes through signal processing
The both ends of electromagnetic induction coil 9 and battery 7 are connected, electromagnetic induction coil 9 generates magnetic field after charging and magnet 10 generates repulsion
Power, magnet 10 drive 2 downlink of pen core, the nib 22 of pen core 2 are released outside pen point casing 3, magnet 10 is just moved to spring at this time
Steel disc 1 can block the position of magnet 10, when writing, due to the increasing of active force, so that the short side pair on spring steel plate 1
Pen core 22 can play good positioning action, and when finger is detached from conductive rubber 12, spring steel plate 1 resets, electromagnetic induction
The electromagnetic field that coil 9 generates disappears, and magnet 10 drives pen core 2 to retract in pen point casing 3, can also protect when pen is fallen from desktop
Nib 22, at this time according to h=gt2/ 2, general desk height is 0.5m, then t=0.32S is calculated to obtain, both when pen is fallen from desk
When, finger, which is detached from the retraction pen point casing 3 of nib 22 after conductive rubber 12 in 0.32 second on pen core 2, can just prevent nib 22 from pounding
Ground.