CN209821798U

CN209821798U - Electromagnetic touch control pen

Info

Publication number: CN209821798U
Application number: CN201921059281.2U
Authority: CN
Inventors: 李裔天
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-08
Filing date: 2019-07-08
Publication date: 2019-12-20
Anticipated expiration: 2029-07-08

Abstract

The application relates to an electromagnetic touch pen, which is used for carrying out touch control on an electromagnetic touch screen by transmitting an electromagnetic signal through a circuit board. The pencil tube can be dismantled with the cap for brush and be connected, and the refill can be dismantled with the circuit board and be connected, when the refill needs to be changed, only needs to pull down the cap for brush from the pencil tube, can expose the refill, then pulls down the refill from the circuit board and can change, and the change mode is simple and convenient. In this application, the nib of refill has metal lead coating, and metal lead can be used for writing, plates metal lead in the nib department of refill, when not influencing the basic function of electromagnetism touch-control pen, can also write on paper, and the electromagnetism touch-control pen function of comparing in prior art is more. In this application, still through setting up pressure sensor to make refill, circuit board, pressure sensor lie in the same axle in the shaft, pressure sensor response people presses the different pressure of nib and produces different signals, thereby arouses electromagnetic signal's change, can write out the handwriting of difference of thickness on the touch screen.

Description

Electromagnetic touch control pen

Technical Field

The application relates to the field of electronic equipment, in particular to an electromagnetic touch pen.

Background

The electromagnetic touch pen in the prior art only has the capacity of writing on a touch screen and does not have the capacity of writing on paper, and the pen tube of the electromagnetic touch pen in the prior art is of an integrated structure, so that once production is finished, the pen tube cannot be detached, a refill can be replaced only by clamping the refill out through tweezers, and then a new refill is inserted, so that the pen is inconvenient.

SUMMERY OF THE UTILITY MODEL

To overcome, at least to some extent, the problems in the related art, the present application provides an electromagnetic stylus.

The scheme of the application is as follows:

an electromagnetic stylus, comprising:

the pen comprises a pen cap, a pen core, a pen tube, a coil, a pressure sensor and a circuit board; wherein the content of the first and second substances,

the pen cap is a conical shell, and a hole is formed in the vertex of the pen cap;

the refill sets up inside the cap for brush includes: a pen point and a pen core tail; the pen point is needle-shaped and is provided with a metal lead coating, and the pen point penetrates through the hole at the vertex of the pen cap; the tail of the pen core is conical;

the pen tube is a cylindrical hollow shell, the first end of the pen tube is detachably connected with the pen cap, and the pressure sensor is arranged in the second end of the pen tube;

the circuit board is in a strip shape and is arranged in the pen tube, the first end of the circuit board is wound with the coil and is detachably connected with the tail of the pen core, and the second end of the circuit board is contacted with the pressure sensor;

the coil and the pressure sensor are both electrically connected with the circuit board.

Preferably, in an implementable manner of the present application, the conical surface of the tail of the cartridge abuts the inner conical surface of the cap.

Preferably, in an implementable manner of the present application, the tail of the pen core is provided with a plurality of salient points, and the intervals among the salient points are equal;

the inner side surface of the pen cap is provided with a groove matched with and clamped with the salient point.

Preferably, in one implementation of the present application, the nib apex is in the shape of a bead.

Preferably, in an implementable manner of the present application, both sides of the circuit board are attached to the inner side surface of the pen barrel.

Preferably, in an implementable manner of the present application, the first end of the barrel is removably connected to the cap by a threaded arrangement.

Preferably, in an implementable manner of the present application, the first end of the pen barrel and the pen cap are detachably connected by a snap structure.

Preferably, in an implementable manner of the present application, a rubber ring is provided at a gap between a pen point of the pen core and the pen cap through hole.

Preferably, in an implementation manner of the present application, the pen core tail has a protrusion, the first end of the circuit board is provided with a slot corresponding to the protrusion of the pen core tail, and the pen core tail is clamped into the slot at the first end of the circuit board and detachably connected to the circuit board.

Preferably, in an achievable mode of the present application, the outer side of the pen tube is provided with an anti-slip leather sheath.

The technical scheme provided by the application can comprise the following beneficial effects:

the electromagnetic touch pen in the application transmits an electromagnetic signal to touch the electromagnetic touch screen through the circuit board. The pencil tube can be dismantled with the cap for brush and be connected, and the refill can be dismantled with the circuit board and be connected, when the refill needs to be changed, only needs to pull down the cap for brush from the pencil tube, can expose the refill, then pull down the refill from the circuit board and can change, do not need external instrument to assist to the change mode is simple and convenient. In this application, the nib of refill has metal lead coating, and metal lead can be used for writing, plates metal lead in the nib department of refill, when not influencing the basic function of electromagnetism touch-control pen, can also write on paper, and the electromagnetism touch-control pen function of comparing in prior art is more. In this application, still through setting up pressure sensor to make refill, circuit board, pressure sensor lie in the same axle in the shaft, pressure sensor response people presses the different pressure of nib and produces different signals, thereby arouses electromagnetic signal's change, can write out the handwriting of difference of thickness on the touch screen.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.

Fig. 1 is a schematic structural diagram of an electromagnetic stylus according to an embodiment of the present application;

fig. 2 is a schematic partial structural diagram of an electromagnetic stylus according to another embodiment of the present application.

Reference numerals: 1-a pen cap; 2-a pen core; 21-pen point; 22-the tail of the refill; 3-a pen tube; 4-a coil; 5-a pressure sensor; 6-a circuit board; 7-metal lead coating.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present application, as detailed in the appended claims.

Fig. 1 is a schematic structural diagram of an electromagnetic stylus according to an embodiment of the present application, and referring to fig. 1, an electromagnetic stylus includes:

the pen comprises a pen cap 1, a pen core 2, a pen tube 3, a coil 4, a pressure sensor 5 and a circuit board 6; wherein the content of the first and second substances,

the pen cap 1 is a conical shell, and a hole is formed in the vertex;

the refill 2 sets up inside cap 1, includes: a pen tip 21 and a pen core tail 22; the pen point 21 is needle-shaped and is provided with a metal lead coating 7, and the pen point 21 penetrates through a hole at the top point of the pen cap 1; the tail 22 of the refill is conical;

the pen tube 3 is a cylindrical hollow shell, the first end of the pen tube 3 is detachably connected with the pen cap 1, and the pressure sensor 5 is arranged inside the second end;

the circuit board 6 is in a strip shape and is arranged in the pen tube 3, a coil 4 is wound at the first end and is detachably connected with the tail part 22 of the pen core, and the second end is contacted with the pressure sensor 5;

the coil 4 and the pressure sensor 5 are electrically connected to a circuit board 6.

The basic principle of the electromagnetic induction touch screen is that the electromagnetic induction touch screen is judged by the change of a magnetic field generated by an inductor under a panel and an electromagnetic touch pen in the operation process, the electromagnetic pen is a signal transmitting end, an antenna board is a signal receiving end, the magnetic flux changes when the electromagnetic induction touch screen approaches the panel, and a position point is defined by operation. Common electromagnetic stylus pens in the prior art include the samsung stylus and the microsoft stylus.

The electromagnetic touch pen in this embodiment transmits an electromagnetic signal through the circuit board 6 to perform touch on the electromagnetic touch screen. The pencil 3 can be dismantled with cap for brush 1 and be connected, and the refill 2 can be dismantled with circuit board 6 and be connected, when the refill 2 needs to be changed, only need pull down cap for brush 1 from pencil 3, can expose refill 2, then pull down refill 2 from circuit board 6 and can change, do not need the assistance of external instrument to the change mode is simple and convenient.

In this embodiment, the metallic lead is melt-plated on the pen tip 21 of the pen core 2, and the pen core 2 should be made of a heat-resistant material. Due to the characteristic that the metal lead can write, the metal lead is plated at the pen point 21 of the pen core 2, so that the basic function of the electromagnetic touch pen is not influenced, and meanwhile, writing can be performed on paper, and compared with the electromagnetic touch pen in the prior art, the electromagnetic touch pen has more functions.

In the embodiment, the pressure sensor 5 is further arranged, the pen core 2, the circuit board 6 and the pressure sensor 5 are positioned on the same shaft in the pen tube 3, when a user uses the electromagnetic touch pen, a certain force needs to be given to the electromagnetic touch pen, the pen core 2 of the electromagnetic touch pen is in contact with the touch screen at the moment, as the pen core 2, the circuit board 6 and the pressure sensor 5 are positioned on the same shaft in the pen tube 3 and are connected with each other, the pen core 2 of the electromagnetic touch pen transmits the pressure fed back by the touch screen to the pressure sensor 5 through the circuit board 6, the pressure sensor 5 induces different pressures of a person pressing the pen core 21 to generate different signals, thereby causing the change of electromagnetic signals, and writing different thick and shallow handwriting on the touch screen can be written,

in the electromagnetic touch pen in some embodiments, the conical surface of the pen core tail 22 fits the inner conical surface of the pen cap 1.

Because the inner side surface of the pen cap 1 is a conical surface, and the pen core tail part 22 is a cone, the circuit board 6 is enabled to be propped against the pen core tail part 22, the conical surface of the pen core tail part 22 is enabled to be attached to the inner side conical surface of the pen cap 1, the pen core 2 can be prevented from being shaken in the pen cap 1, and the pen point 21 is enabled to be more stable during writing.

In the electromagnetic touch pen in some embodiments, the pen core tail 22 has a plurality of protruding points, and the intervals between the protruding points are equal;

the inner side surface of the pen cap 1 is provided with a groove matched with the salient point and used for clamping the salient point.

The circuit board 6 is enabled to support the pen core tail part 22, and meanwhile, the salient points on the surface of the pen core tail part 22 are clamped into the grooves on the inner side surface of the pen cap 1, so that the pen core 2 can be prevented from being shaken in the pen cap 1, and the pen point 21 is enabled to be more stable during writing.

In some embodiments of the electromagnetic stylus, the tip 21 has a rounded bead shape.

The top point of the pen point 21 is in a ball shape, so that the touch screen can be prevented from being scratched, and writing on paper is smoother. The apex of the nib 21 may be ground to form a bead-like apex.

In some embodiments of the electromagnetic stylus, two sides of the circuit board 6 are attached to the inner side of the pen barrel 3.

The two sides of the circuit board 6 are attached to the inner side surface of the pen tube 3 to prevent the circuit board 6 from inclining in the pen tube 3, so that the structure of the electromagnetic touch pen is unstable.

Two sides of the circuit board 6 can be attached to the inner side surface of the pen tube 3 by widening two sides of the circuit board 6.

Further, in order to conveniently match the pressure sensor 5, two sides of the circuit board 6 can be polished to be smooth, so that the circuit board 6 can slide in the pen tube 3 for a short distance more easily.

In the electromagnetic touch pen in some embodiments, the first end of the pen tube 3 is detachably connected with the pen cap 1 through a threaded structure.

The thread means a continuous convex portion of a specific section formed in a spiral shape on the surface of a cylindrical or conical parent body. The screw thread is divided into a cylindrical screw thread and a conical screw thread according to the shape of a mother body; the thread is divided into external thread and internal thread according to the position of the parent body, and is divided into triangular thread, rectangular thread, trapezoidal thread, sawtooth thread and other special-shaped threads according to the section shape (tooth shape). A screw thread arrangement is a common arrangement for detachable connection of two objects.

The screw thread may be arranged inside the first end of the barrel 3 and outside the cap 1 or outside the first end of the barrel 3 and inside the cap 1.

In some embodiments of the electromagnetic stylus, the first end of the pen tube 3 is detachably connected to the pen cap 1 through a fastening structure.

The buckle structure has a plurality of kinds, and one kind of the buckle structure is adopted in the embodiment.

Can set up the bump through inboard in 3 first ends of pencil, set up the recess of matching in the cap for brush 1 outside, make the inboard bump card of 3 first ends of pencil go into the recess in the cap for brush 1 outside and can accomplish the first end of pencil 3 and be connected with dismantling of cap for brush 1, be similar to above-mentioned buckle structure also set up the recess in 3 first ends of pencil inboard, set up the bump of matching in the cap for brush 1 outside. In the structure, the first end of the pen tube 3 needs to be sleeved into the pen cap 1, and the diameter of the first end of the pen tube 3 needs to be slightly larger than that of the pen cap 1.

The outer side of the first end of the pen tube 3 can be provided with a convex point, and the inner side of the pen cap 1 is provided with a matched groove; or a groove is arranged at the outer side of the first end of the pen tube 3, and a matched convex point is arranged at the inner side of the pen cap 1. In the structure, the pen cap 1 needs to be sleeved into the first end of the pen tube 3, and the diameter of the pen cap 1 needs to be slightly larger than the first end of the pen tube 3.

In the electromagnetic touch pen in some embodiments, a rubber ring is disposed at a gap between the pen point 21 of the pen core 2 and the through hole of the pen cap 1.

Because of nib 21 diameter is less than the through-hole diameter of cap for a brush 1, in order to further prevent that nib 21 from rocking, set up the rubber ring card and go into the clearance department of nib 21 and through-hole at 2 nib of refill and refill afterbody 22 junctions, can further prevent that nib 21 from rocking, the convenience is write.

In some embodiments of the electromagnetic stylus, referring to fig. 2, the pen core tail 22 has a protrusion, the first end of the circuit board 6 is provided with a slot corresponding to the protrusion of the pen core tail 22, and the pen core tail 22 is inserted into the slot at the first end of the circuit board 6 and detachably connected to the circuit board 6.

Because the circuit board 6 is thin and can not be directly grooved, a clamping groove is arranged at the first end of the circuit board 6, and the tail part 22 of the pen core is clamped into the clamping groove at the first end of the circuit board 6 through a bulge and is detachably connected with the circuit board 6.

In some embodiments, the outer side of the pen tube 3 is provided with an anti-slip leather sheath to increase the friction force with the hand of the user to prevent the electromagnetic stylus from slipping when the user holds the pen.

It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments.

It should be noted that, in the description of the present application, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Further, in the description of the present application, the meaning of "a plurality" means at least two unless otherwise specified.

Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and the scope of the preferred embodiments of the present application includes other implementations in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present application.

In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.

Claims

1. An electromagnetic stylus, comprising:

2. The electromagnetic stylus according to claim 1, wherein the conical surface of the tail of the pen core fits the inner conical surface of the pen cap.

3. The electromagnetic stylus according to claim 2, wherein the pen core tail has a plurality of protruding points, and intervals between the plurality of protruding points are equal;

4. The electromagnetic stylus of claim 1, wherein the nib apex is in the shape of a ball.

5. The electromagnetic stylus of claim 1, wherein two sides of the circuit board are attached to an inner side of the barrel.

6. The electromagnetic stylus of claim 1, wherein the barrel first end is removably coupled to the cap via a threaded configuration.

7. The electromagnetic stylus of claim 1, wherein the barrel first end is removably coupled to the cap via a snap-fit arrangement.

8. The electromagnetic stylus according to claim 1, wherein a rubber ring is disposed at a gap between a tip of the pen core and the through hole of the cap.

9. The electromagnetic touch pen according to claim 1, wherein the pen core tail has a protrusion, the first end of the circuit board is provided with a slot corresponding to the protrusion of the pen core tail, and the pen core tail is clamped into the slot at the first end of the circuit board and detachably connected with the circuit board.

10. The electromagnetic stylus of claim 1, wherein an anti-slip leather sheath is disposed outside the barrel.