CN208834271U - A kind of passive electromagnetic water outlet pen - Google Patents

Abstract

The utility model discloses a kind of passive electromagnetic water outlet pens, including pen core and ontology, ontology includes the first iron core and iron core cockpit, iron core cockpit is successively arranged pen core fixture connecting rod from front to back, second iron core, third iron core, elastomeric element, regulator board and the first structure matched with the regulator board, first iron core is outer and the second iron core is wound with coil outside, pen tip of first iron core close to pen core, second iron core is fixedly connected with iron core cockpit, pen core is clamped behind the center of the first iron core by one end of pen core fixture connecting rod, the other end of pen core fixture connecting rod passes through the center of the second iron core and then pushes the movement of third iron core；Regulator board makes regulator board generate axial displacement by contacting with first structure when rotated, to change the axial displacement of elastomeric element.The utility model, which uses, becomes inductive technologies, and price is lower, and performance is more preferable；It is additionally arranged regulator board and first structure, dimensional uniformity and weight sense consistency are good, can be widely applied to information input equipment field.

Description

A kind of passive electromagnetic water outlet pen

Technical field

The utility model relates to information input equipment field, especially a kind of passive electromagnetic water outlet pen.

Background technique

With the continuous development of digitalized electron information technology, human-computer interaction increasingly closeness to life.Electromagnetic touch relies on It perfect can be presented former person's handwriting input and increasingly be pursued by people.

Electromagnetic touch main devices include antenna plate, control panel and time writer.Wherein pass of the time writer as electromagnetic touch Key component part can not only put control, can also be painted, be practised handwriting using the characteristics of its pressure sensitivity.

Time writer transmits electricity by the antenna plate in its internal magnetic field closed circuit and application electromagnetic touch technical equipment Magnetic wave realizes the positioning of time writer.The magnetic field closed circuit of time writer is generally made of inductance and capacitor, and wherein inductance is by iron The value of core and coil composition, adjustment inductance or capacitor can change the frequency of time writer.

Although electromagnetism input technology has been widely used in the electronics such as the mechanical, electrical paper book of plate, hand, handwriting pad, electronic whiteboard In equipment, but common time writer can only operate on corresponding electromagnetic equipment, can not be write on paper.For this purpose, city Occur on while there is electromagnetism to write and the writing function electromagnetism water outlet pen of ink.

Electromagnetism water outlet pen at present is mostly realized by becoming capacitance technology, but is become capacitance technology and be limited to variable capacitance Precision and price so that electromagnetism water outlet pen performance, in terms of there is difficulty on universal.In addition, electromagnetism water outlet pen It is made of more than one piece part, each part has respective foozle, and each part is unlike material again, so often producing in assembling When can lead to the problem of that size is inconsistent, actual size when time writer being caused to dispatch from the factory is less than or greater than standard size, is unfavorable for Batch production.

Utility model content

In order to solve the above technical problems, the purpose of this utility model is that: provide that a kind of price is low and the good nothing of consistency Source electromagnetism water outlet pen.

Technical solution adopted in the utility model is: a kind of passive electromagnetic water outlet pen, including pen core and ontology, described Ontology includes the first iron core and iron core cockpit, and the iron core cockpit is successively arranged pen core fixture connecting rod, the second iron from front to back Core, third iron core, elastomeric element, regulator board and the first structure matched with the regulator board, first iron core are outer and the Coil is wound with outside two iron cores, first iron core close to the pen tip of pen core, fix and connect by second iron core and iron core cockpit Connect, the pen core pass through the first iron core center after by pen core fixture connecting rod one end clamp, the pen core fixture connecting rod it is another One end passes through the center of the second iron core and then pushes the movement of third iron core；The regulator board passes through surface and the first knot when rotated The contact of structure surface makes regulator board generate axial displacement, to change the axial displacement of elastomeric element.

Further, the pen core fixture connecting rod is equipped with ladder.

Further, the regulator board and the contact surface of first structure are the first inclined-plane, the first structure and regulator board Contact surface is the second inclined-plane.

Further, the elastomeric element includes silica gel stick and the spring for being coated at silica gel stick, the silica gel stick and regulator board It is fixedly connected.

Further, the regulator board is equipped with the hole matched with the silica gel stick.

Further, the regulator board is equipped with rotating handle.

Further, the outer diameter of second iron core is less than the outer diameter of third iron core.

Further, the center of second iron core is provided with first through hole, and the center of the third iron core is provided with the second through-hole, The diameter of the first through hole is greater than the diameter of the second through-hole.

Further, the iron core base is equipped with PCBA circuit board out of my cabin.

Further, the PCBA circuit board is connect by screw with iron core cockpit.

The beneficial effects of the utility model are: ontology includes iron core cockpit and the first iron core for being wound with coil, iron core base Cabin includes pen core fixture connecting rod, third iron core and the second iron core for being wound with coil, cooperates pen core fixture by the movement of pen core Connecting rod changes the distance between the second iron core and third iron core to change the inductance of passive electromagnetic water outlet pen, and then changes water outlet pen Frequency, replace change capacitance technology using inductive technologies are become, price is lower, performance is more preferable；Be additionally arranged regulator board and with institute State the first structure that regulator board matches, regulator board, which passes through surface when rotated and contacts with first structure surface, generates regulator board Axial displacement, to change the axial displacement of elastomeric element, the axial displacement by changing elastomeric element goes out passive electromagnetic Actual size when water-color paintbrush dispatches from the factory is equal to standard size, can guarantee that the writing weight sense of every passive electromagnetic water outlet pen keeps one It causes, is conducive to produce in batches.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model passive electromagnetic water outlet pen；

Fig. 2 is the cross-sectional view of the utility model passive electromagnetic water outlet pen；

Fig. 3 is a kind of example structure exploded view of the utility model passive electromagnetic water outlet pen；

Fig. 4 is another example structure exploded view of the utility model passive electromagnetic water outlet pen；

Fig. 5 is the graph of relation of the utility model two iron core spacing and coil inductance；

Fig. 6 is the fit structure schematic diagram of the utility model regulator board and rubber bar；

Fig. 7 is the cross-sectional view of the utility model regulator board；

Fig. 8 is the cross-sectional view of the utility model first structure.

Specific embodiment

The utility model is further explained and is illustrated with specific embodiment with reference to the accompanying drawings of the specification.

Referring to Fig.1, Fig. 2, Fig. 3 and Fig. 4, a kind of passive electromagnetic water outlet pen of the utility model, including pen core 1 and ontology, Described ontology includes the first iron core 1 and iron core cockpit, and the iron core cockpit is successively arranged pen core folder from front to back Have connecting rod 3, the second iron core 4, third iron core 5, elastomeric element, regulator board 9 and the first structure matched with the regulator board 9 62, first iron core 2 is outer and the second iron core 4 is wound with coil outside, and first iron core 2 is located at the pen tip of pen core 1, described Second iron core 4 is fixedly connected with iron core cockpit, and the pen core 1 is behind the center of the first iron core 2 by the one of pen core fixture connecting rod 3 End clamping, the other end of the pen core fixture connecting rod 3 pass through the center of the second iron core 4 and then third iron core 5 are pushed to move；It is described Regulator board 9 is contacted by surface with 62 surface of first structure when rotated makes regulator board 9 generate axial displacement, to change elasticity The axial displacement of component.

The utility model has used the structure of three iron cores to realize the change of inductance, wherein this coiling iron of the first iron core 2 Core is responsible for transmitting-receiving energy close to the pen tip of pen core.And the second iron core 4 is wound core, third iron core 5 is the iron of not coiling Core.The through-hole at 4 center of the second iron core, big compared with the central through hole of third iron core 5, this two iron core is placed in pen core rear, and second For iron core 4 than third iron core 5 closer to pen core pen tip, this structure can allow the rear of third iron core 5 to have enough spaces, go to set Elastomeric element inside meter allows pen tip to have excellent force feedback performance.

Pen core fixture connecting rod 3 has the function of clamping pen core and connecting rod.As shown in figure 3, one end of pen core fixture connecting rod 3 Pen core 1 can be clamped；The other end of pen core fixture connecting rod 3 has the function of connecting rod, is an elongated plastic stock.Pen core fixture connecting rod 3 It can be packed into from the pen tip direction of iron core cockpit.

When pen core stress, pen core 1 is clamped behind the center of the first iron core 2 by one end of pen core fixture connecting rod 3, pen core The other end of fixture connecting rod 3 passes through the center of the second iron core 4 and then third iron core 5 is pushed to move, and changes the second iron core 4 and third Distance between this two iron core of iron core 5, causes inductance value to change.

As shown in figure 5, the utility model is when the second iron core 4 and this two iron core of third iron core 5 are close to, air gap between two iron cores It is minimum, when iron core is pushed slightly by pen core, air gap is generated between two iron cores, at this time on magnetic circuit (i.e. magnetic field loop), is increased Magnetic resistance, inductance value can significantly be lower.The utility model utilizes this characteristic, when pen core fine motion, can generate enough big The variation of frequency.It is used in the use occasion of water outlet pen, electronic handwriting can show in light draw, can be with true ink The use of pen, pencil feels identical.

There is constant capacitance on PCBA circuit board, the first iron core 2 and the second iron core 4 this two wire-wound inductor, with capacitor on plate And couple on PCBA circuit board.Antenna plate emits a frequency and charges to pen when initial, and when antenna plate stops emitting, Pen Association is from connecing It receives energy and is changed to emitted energy, and the wire-wound inductor on pen changes, it is in parallel with the fixed capacity on PCBA circuit board, it can change The frequency of pen transmitting, and then antenna plate is enable to obtain different frequencies, generate the variation of different pen pressure values.

As illustrated in fig. 1 and 2, the utility model the first iron core 2, the second iron core 4 and third iron core 5 can be hollow knot Structure, and the pen tip of pen core 1, on a left side, pen end is on the right side.As shown in Figure 3 or Figure 4, before iron core cockpit includes mutually matched iron core Portion 61 and iron core tail portion (i.e. first structure) 62, the rotatable mode in assembly of iron core tail portion 62 are combined with iron core front 61 Form iron core cockpit.The inside or such as figure that second iron core 4 can be mounted on iron core cockpit from tail direction as shown in Figure 3 completely Iron core cockpit is packed by the groove 611 on iron core cockpit shown in 4.And third iron core 5 is located at after the second iron core 4, is mounted on The inside of iron core cockpit can move in iron core cockpit；Pen core fixture connecting rod 3 pushes third behind the center of the second iron core 4 Iron core 5 moves in iron core cockpit.

The mode that regulator board 9 generates axial displacement with the contact of first structure 62 when rotated can be through inclined-plane (two The contact surface of person be inclined-plane) height variation generate axial displacement mode.

Elastomeric element, for providing reversed active force to pen core 1, so that pen core 1 obtains the weight write when writing Sense.In addition, elastomeric element additionally provides certain elastic allowance, reality when by axial displacement writer be passive electrical magnetic pen can be dispatched from the factory Border size is equal to standard size.Elastomeric element can use spring, rubber bar (such as silica gel stick) flexible structure, can also To be composite construction that spring and rubber bar etc. form.

Existing pen pen core can be used to realize in the pen core 1 of the utility model.

Specifically, as shown in Fig. 1, Fig. 3 or Fig. 4, an ontology further includes reservoir shaft 12, and reservoir shaft 12 is in 2 He of the first iron core Between pen core fixture connecting rod 3, pen core 1 can be protected.First pen core fixture connecting rod 3 is filled from the pen tip direction of iron core cockpit when assembly Enter；After pen core fixture connecting rod 3 is packed into, then reservoir shaft 12 combined from pen tip direction with iron core cockpit front 61.

Referring to Figure 1 and Figure 3, it is further used as preferred embodiment, the pen core fixture connecting rod 3 is equipped with ladder 31.

The pen core fixture connecting rod 3 of the utility model, one end clamp pen core 1, and the other end is an elongated plastic for having step difference Stock.When 1 stress of pen core, pen core fixture connecting rod 3 has the function of that connecting rod, connecting rod end have a ladder 31, can pass through the The center of two iron cores 4 pushes third iron core 5 to move by ladder 31.

Referring to Fig. 7 and Fig. 8, it is further used as preferred embodiment, the contact surface of the regulator board 9 and first structure 62 For the first inclined-plane 93, the contact surface of the first structure 62 and regulator board 9 is the second inclined-plane 621.

Wherein, the first inclined-plane 93 and the second inclined-plane 621, equal out of plumb or the pen core for being not parallel to electromagnetism water outlet pen are axial. The tilt angle and angled manner (such as left bank, right bank) on the first inclined-plane 93 and the second inclined-plane 621 can be according to reality It needs flexibly to choose.

The contact surface of regulator board 9 and first structure 62 has been all made of the structure on inclined-plane, such regulator board 9 when rotated because with The contact of first structure 62 is contact of incline plane, so can be raised and lowered along inclined-plane, and then changes the space for accommodating elastomeric element, So that elastomeric element moves axially so, it can so change weight sense when pen is write.

Referring to Fig. 3, it is further used as preferred embodiment, the elastomeric element includes silica gel stick 7 and is coated at silica gel The spring 8 of stick 7, the silica gel stick 7 are fixedly connected with regulator board 9.

The utility model silica gel stick 7 and spring 8, for providing reversed active force to pen core 1, so that pen core 1 is being write When obtain write weight sense.Specifically, the partial-length of silica gel stick 7 is securable in regulator board 9, and is cased with outside silica gel stick 7 Spring 8, when 1 stress of pen core, silica gel stick 7 and spring 8 can exert a force toward 62 direction of iron core cockpit tail portion (i.e. first structure), with Obtain reversed active force.And the contact surface of silica gel stick 7 or spring 8 and regulator board 9 can be plane.

Referring to Fig. 6, it is further used as preferred embodiment, the regulator board 9 is equipped with and matches with the silica gel stick 7 Hole 92.

Wherein, hole 92 can be cylindrical hole, the isostructural blind hole in irregular hole, and internal diameter is more bigger than silica gel stick 7, silica gel stick 7 It can be inserted into realization fixed function in the hole.

Referring to Fig. 3 or Fig. 4, it is further used as preferred embodiment, the regulator board 9 is equipped with rotating handle 91.

The utility model by the rotating handle 91 added come so that regulator board 9 rotate it is more convenient.Rotating handle 91 can portion Divide and exposes iron core base surface out of my cabin.

It is further used as preferred embodiment, the outer diameter of second iron core is less than the outer diameter of third iron core.

The utility model does not have the third iron core outer diameter of coiling, bigger than the second iron core of coiling；Close to the one of the second iron core End, third iron core reduced diameter, so that the overall appearance of pen, will not have the third iron core for there be not coiling because of inside and cause appearance Lofty, overall appearance consistency is preferable.

It is further used as preferred embodiment, the center of second iron core is provided with first through hole, the third iron core Center be provided with the second through-hole, the diameter of the first through hole is greater than the diameter of the second through-hole.

The first through hole of the second iron core of the utility model, the diameter compared with the second through-hole of third iron core is big, and pen core can be allowed logical The ladder of pen core fixture connecting rod end is crossed to push third iron core.

Referring to Fig. 3 or Fig. 4, it is further used as preferred embodiment, the iron core base is equipped with PCBA circuit board 10 out of my cabin.

Wherein, PCBA circuit board 10 is electrically connected with coil, using the inductive switching that will change as the variation of frequency, and then enables day Line plate can obtain different frequencies, generate different pen pressure values.Specifically, after PCBA circuit board 10 is located at iron core cockpit Face can be fixedly connected by modes such as screws 11 with iron core cockpit, as shown in Figure 3 or Figure 4.

As shown in Figure 3 or Figure 4, be further used as preferred embodiment, the PCBA circuit board 10 by screw 11 with The connection of iron core cockpit.

A kind of working principle of passive electromagnetic water outlet pen of the utility model are as follows: when pen core pen tip writes stress, pen core is worn The center for crossing the first iron core is clamped by one end of pen core fixture connecting rod, and the other end (stock) of pen core fixture connecting rod passes through the second iron The center of core pushes the movement of third iron core by ladder, to be formed at a distance from different between third iron core in the second iron core, makes Inductance value on the second iron-core coil changes, the inductance of the changed inductance of the second iron core and the first iron-core coil with Fixed capacity on PCBA circuit board is in parallel, and then changes the frequency of pen transmitting, generates the variation of different pen pressure values, while third Iron core can squeeze the elastomeric element of the compositions such as silica gel stick and spring axially movable, give pen core reversed active force, so that pen core There is weight sense when writing.In addition, the first structure that the utility model is additionally arranged regulator board and matches with the regulator board, When actual size when passive electromagnetic water outlet pen being made to dispatch from the factory is equal to standard size or obtains different writing weight senses, it is only necessary to revolve The rotating handle of modulation pressing plate, so that regulator board with the way of contact on first structure surface because changing (as the inclined-plane contacted increases or drop It is low) and axial displacement is generated, regulator board, which generates axial displacement, can enable the space for accommodating silica gel stick and spring change, and allow Silica gel stick and spring also generate corresponding axial displacement, and (actual size when passive electromagnetic water outlet pen can be made to dispatch from the factory is equal to standard Size obtains different writing weight senses).

It is to be illustrated to the preferable implementation of the utility model, but the utility model is not limited to the reality above Example is applied, those skilled in the art can also make various equivalent changes without departing from the spirit of the present invention Shape or replacement, these equivalent deformations or replacement are all included in the scope defined by the claims of the present application.

Claims (10)

1. a kind of passive electromagnetic water outlet pen, it is characterised in that: including pen core and ontology, described ontology include the first iron core and Iron core cockpit, the iron core cockpit be successively arranged from front to back pen core fixture connecting rod, the second iron core, third iron core, elastomeric element, Regulator board and the first structure matched with the regulator board, first iron core is outer and the second iron core is wound with coil outside, institute The first iron core is stated close to the pen tip of pen core, second iron core is fixedly connected with iron core cockpit, and the pen core passes through the first iron It is clamped behind the center of core by one end of pen core fixture connecting rod, the other end of the pen core fixture connecting rod passes through the center of the second iron core And then push the movement of third iron core；The regulator board, which passes through surface when rotated and contacts with first structure surface, generates regulator board Axial displacement, to change the axial displacement of elastomeric element.

2. a kind of passive electromagnetic water outlet pen according to claim 1, it is characterised in that: the pen core fixture connecting rod is equipped with Ladder.

3. a kind of passive electromagnetic water outlet pen according to claim 1, it is characterised in that: the regulator board and first structure Contact surface is the first inclined-plane, and the contact surface of the first structure and regulator board is the second inclined-plane.

4. a kind of passive electromagnetic water outlet pen according to claim 1, it is characterised in that: the elastomeric element includes silica gel stick With the spring for being coated at silica gel stick, the silica gel stick is fixedly connected with regulator board.

5. a kind of passive electromagnetic water outlet pen according to claim 4, it is characterised in that: the regulator board be equipped with it is described The hole that silica gel stick matches.

6. a kind of passive electromagnetic water outlet pen according to claim 1-5, it is characterised in that: set on the regulator board There is rotating handle.

7. a kind of passive electromagnetic water outlet pen according to claim 1-5, it is characterised in that: second iron core Outer diameter is less than the outer diameter of third iron core.

8. a kind of passive electromagnetic water outlet pen according to claim 1-5, it is characterised in that: second iron core Center is provided with first through hole, and the center of the third iron core is provided with the second through-hole, and it is logical that the diameter of the first through hole is greater than second The diameter in hole.

9. a kind of passive electromagnetic water outlet pen according to claim 1-5, it is characterised in that: the iron core base is out of my cabin Equipped with PCBA circuit board.

10. a kind of passive electromagnetic water outlet pen according to claim 9, it is characterised in that: the PCBA circuit board passes through spiral shell Silk is connect with iron core cockpit.