KR102118737B1 - Pen lead holding appartus - Google Patents

Abstract

Regarding a pen nim holding device and an electronic pen to which the same is applied, a holder unit installed inside a housing forming an outer shape and holding a nim, and a release unit for operating the holder unit to release a pen nim held in the holder unit when the nim is replaced And, the holder portion is installed in a holder installation space formed inside the housing and the pen core penetrates therein and is inserted into the inner rear end, and is installed inside the hold body and is held inside the pen body to hold both sides of the pen core using elasticity. Fixing the pen nib and providing a configuration including a pair of hold points for releasing the nib by the release unit when the nib is replaced, holding the pen nim at an appropriate pressure to improve handwriting and quickly sense pen pressure It is possible to easily replace the pen nib by releasing the nib held in the holder portion.

Description

Pen lead hold device and electronic pen applied thereto{PEN LEAD HOLDING APPARTUS}

The present invention relates to a pen nim holding device and an electronic pen to which the pen nim is applied, and more particularly, the nim penetrating through the front wall of the holder to the rear wall is fixed, and the pen nim can be released from the holder and replaced using a release button. It relates to a pen nim hold device and an electronic pen to which it is applied.

Recently, as various types of electronic devices such as smartphones and tablet PCs are popularly used, various types of electronic pen type input devices have been developed and used in various fields.

Among the electronic pens, in the case of an electronic pen to which an actual ballpoint pen core is applied, a letter, a number, or a picture to be input is written on a surface such as a paper on which a dot code is printed, and according to the method similar to the method used with a pen, it is large It has the advantage of being able to enter desired data quickly and accurately without difficulty.

1 and 2 are schematic views showing a pen core fastening structure of an electronic pen according to the prior art.

As shown in FIG. 1, the electronic pen according to the prior art is provided with a bar-shaped pen tip 1 inside the electronic pen, and the tip of the pen tip 1 protrudes out of the housing, and the pen tip 1 The other end portion of the pen core 1 has a fastening structure that is fitted to the pen holder 2 so as not to escape outside the housing.

In addition, a pressure sensor 3 is provided at the rear of the pen holder 2 of the electronic pen according to the prior art to detect the handwriting pressure by receiving the force pressed by the pen core 1 through the pen holder 2.

Here, between the inner surface of the housing (not shown) and the outer surface of the pen holder 2, so that the pen holder 2 can transmit the pen pressure transmitted through the pen core 1 to the pressure sensor 3, In order to provide a predetermined space, the housing and the pen holder 2 should be separated.

However, when the space is formed so tight that the pen holder 2 cannot move freely, there is a problem that the pressure sensor 3 cannot sense the pen pressure.

On the other hand, if the space is too large and loose, the pen nib 1 moves up and down with the pen holder 2 to deteriorate the writing feeling, and the pen holder 2 sticks to the pressure sensor 3 during writing, and repeatedly makes noise during contact. There was a problem that occurred.

In order to solve this problem, in the related art, a structure in which the tip portion of the pen core 1 is projected to the outside of the housing while the pen core 1 is fixed with the spring 4 by applying the spring 4 elastically supporting the pen core 1 Apply, and is fixed to the pressure sensor 3 using a magnet 5 as shown in FIG.

That is, as illustrated in FIGS. 1 and 2, the pen holder 2 fixes the pen core 1 and directly transmits the force transmitted through the pen core 1 to the pressure sensor 3 when writing. Only having a structure that is coupled to the tip of the pen core (1), in particular in FIG. 2, in order to close the pen holder (2) with a magnetic force to the pressure sensor (3) side, the magnetic body (6) is installed at the rear end of the pen holder (2), A magnet 5 was installed on the back side of the pressure sensor 3.

Republic of Korea Patent Utility Model Registration No. 20-0244379 (announced on October 29, 2001) Republic of Korea Patent Registration No. 10-0360477 (announced on March 6, 2003) Republic of Korea Patent Registration No. 10-1396376 (announced on May 19, 2014)

However, in the case of applying the pen core fastening structure shown in FIG. 1, the pen holder 2 is in close contact with the pressure sensor 3 by pushing the pen core 1 backward using a spring 4, but the pen core 1 It is not suitable to make a structure that can replace.

In addition, all of the fastening structures of the pen nibs 1 shown in FIGS. 1 and 2 are used to discharge the pen nibs 1 from the pen holder 2 when the pen nibs 1 are replaced. It must be pulled out while being held with a tool such as tongs.

Therefore, when applying a structure in which the pen holder 2 is in close contact with the pressure sensor 3 using the magnet 5, the excessive basic pressure is caused by the magnetic force acting between the magnet 5 and the magnetic body 6, and the pen holder 2 ) And the pressure sensor 3 are properly adjusted so that they do not occur, there is a problem in that workability is deteriorated in the manufacturing process.

In addition, when using a permanent magnet in the electronic pen, various problems may occur, such as a case where the polarity of the permanent magnet is reversed due to mis-assembly of the operator when assembling the permanent magnet.

In addition, when the electromagnet is applied to the electronic pen, there is a problem that productivity decreases as the working time and cost are unnecessarily increased in the assembly and production stages of the electronic pen.

An object of the present invention is to solve the problems as described above, it is possible to accurately detect the pen pressure applied to the pen nib, and to provide a pen nim holding device capable of improving the writing feeling and an electronic pen applied thereto.

Another object of the present invention is to provide a pen nim holding device and an electronic pen to which the pen nim is installed and fixed through the holder, and the nim can be replaced by releasing the nim from the holder using a release button.

In order to achieve the object as described above, the pen nim holding device according to the present invention is installed inside the housing forming an outer shape and holds the pen nim, and the holder so as to release the pen nim held in the holder when the nim is replaced It includes a release portion for operating the portion, the holder portion is installed in a holder installation space formed inside the housing and the pen core penetrates therein and is inserted into the inner rear end portion, and the inside of the hold body is installed and uses the pen using elasticity It is characterized in that it comprises a pair of hold points for holding the both sides of the shim to fix the nib, and releasing the nib by the release unit when replacing the nib.

A pressure sensor for sensing the pressure applied to the pen nim during writing is installed at the rear of the pen nim, and the pen nim held in the holder and the holder is positioned between the front end of the hold body and the front wall of the holder installation space. It characterized in that the push-up spring is provided to provide an elastic force to press toward.

The inside of the hold body is provided with an installation space in which the pair of hold points are installed, and the front end of the hold body is a protrusion having an outer diameter smaller than the inner diameter of the push-up spring so that it can be inserted into the rear end of the push-up spring. Characterized in that is formed.

Each of the pair of hold points is provided with a half-circle or arc-shaped leaf spring, and the central portions protruding convexly from each hold point are installed to correspond to each other.

The release portion includes a button that is inserted between the pair of hold points by a user's pressing operation to release the pen tip, and the button is provided on a flange portion seated on an upper surface of the holder body of the holder portion, and a lower surface of the flange portion. It is characterized in that it comprises a protruding and inserted between a pair of hold points when the pen core is replaced, and an inserting portion for releasing the pen core and a protruding portion formed on an upper surface of the flange portion and operated by pressing from a user.

The insertion portion is tapered to decrease in diameter toward the lower end, and the lower end surface of the insertion portion is concavely formed into a curved surface having a curvature corresponding to the curvature of the outer circumferential surface of the pen core.

In addition, in order to achieve the above object, the electronic pen to which the pen nim hold device according to the present invention is applied includes both sides of the pen nim inserted through the housing using a holder unit to which a pair of hold points including the nim hold device is applied. Hold and release the pen core by elastically deforming the pair of hold points on both sides according to a button operation of the release portion when the pen core is replaced.

As described above, according to the pen nim holding device according to the present invention and the electronic pen applied thereto, the pen nim is held at an appropriate pressure using a pair of hold points provided in the holder, thereby improving the writing feeling and quickly detecting the pen pressure. The effect of being able to do is obtained.

In addition, according to the present invention, the effect of being able to easily replace the pen nib without touching the nib portion with ink is obtained by releasing the nib held in the holder using the release button.

1 and 2 is a schematic view showing a pen core fastening structure of the electronic pen according to the prior art,
3 is a cross-sectional plan view of an electronic pen to which a pen core hold device is applied according to a preferred embodiment of the present invention,
Figure 4 is a side cross-sectional view of the pen nim hold device shown in Figure 3,
5 is a cross-sectional view taken along line A-A' shown in FIG. 4,
Figure 6 is an enlarged view of the holder shown in Figure 3,

Hereinafter, a pen core hold device according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

In this embodiment, a configuration of a pen nim holding device applied to an electronic pen in which actual ink is written using a pen nim, etc. is described, but the present invention is not necessarily limited to this and can be applied to various devices to which the nim is applied. Be careful.

3 is a cross-sectional plan view of the electronic pen to which the pen nim hold device is applied according to a preferred embodiment of the present invention, and FIG. 4 is a side cross-sectional view of the nim hold device shown in FIG. 3.

Hereinafter, terms indicating directions such as'left','right','front','rear','upper' and'downward' are defined to indicate each direction based on the state shown in each drawing. do.

The electronic pen to which the pen core hold device 10 according to the preferred embodiment of the present invention is applied is installed in the housing 20 and the housing 20 to form an outer shape, as shown in FIGS. The pen core 30 protruding to the outside of the housing 20, the holder part 40 installed inside the housing 20 and holding the pen core 30, and the pen core held in the holder part 40 when replacing the pen core 30 It includes a release portion 50 for operating the holder portion 40 to release the (30).

The housing 20 is formed in a substantially pen shape, and is connected to the pen core installation space 21 and the pen core installation space 21 in which the pen core 30 is installed, and the holder portion 40 is installed inside the housing 20. A holder installation space 22 may be provided.

The pen core installation space 21 is formed to extend in a lengthwise direction from the front end of the housing 10 to the rear, and a pressure sensor 60 may be installed at the rear end of the pen core installation space 21.

The holder installation space 22 may be formed by being connected to the pen core installation space 21 in the center of the housing 10.

Here, the holder installation space 22 may be formed to have a larger diameter than the diameter of the pen core installation space 21 so that the hold portion 30 can be installed.

The pen core 30 is inserted into the pen core installation space 21 through the through hole 23 formed at the tip of the housing 20, and the tip portion of the pen core 30, that is, the nib portion, is housed through the through hole 23. It can be installed to protrude in front of (20).

The holder portion 40 functions to hold the pen core 30 installed through the inside, and release the held pen core 30 by the operation of the release portion 50.

The configuration of the holder 40 will be described in detail with reference to FIGS. 3 to 6.

5 is a cross-sectional view of the line A-A' shown in FIG. 4, and FIG. 6 is an enlarged view of the holder portion shown in FIG.

The holder part 40 is installed in the holder installation space 22 of the housing 20 and is installed inside the hold body 41 and the hold body 41 through which the pen nim 30 is installed, and the pen nim is used by using elasticity. It may include a pair of hold points 42 to hold both sides of the (30).

Between the front end of the hold body 41 and the front wall of the holder installation space 22, the pen 40 held in the holder 40 and the holder 40 is pressed toward the rear side toward the pressure sensor 60. A push-up spring 43 providing elastic force may be installed.

The hold body 41 is formed in a substantially rectangular cylindrical or cylindrical shape, and an installation space 44 in which a pair of hold points 42 are installed may be provided inside the hold body 41.

A protrusion having an outer diameter smaller than the inner diameter of the push-up spring 43 may be formed at a front end of the hold body 41 so as to be inserted into a rear end of the push-up spring 43.

To the rear end of the hold body 41 to smoothly transmit the pressure applied to the pen core 30 to the pressure sensor 60, a protrusion may be protruded toward the rear. The protruding degree of the protruding portion may be set in consideration of a material such as a spacer and a film of the pressure sensor 60 and a depth to be pressed due to the structure.

The pair of hold points 42 function to hold the central portion of the pen core 30 at a constant pressure.

To this end, the pair of hold points 42 are provided with plate springs of approximately semicircular or arc shapes, respectively, and the central portions protruding convexly at each hold point 42 may be installed to correspond to each other.

That is, when a pair of hold points 42 are installed inside the hold body 41 of the holder part 40, the center parts of each hold point 42 are placed in contact with each other or slightly spaced apart.

Here, when the pen core 30 is inserted into the housing 20, each hold point 42 is opened on both sides by the pen core 30, and the pen core 30 is installed to move to the inner end of the holder portion 40. .

Thus, each hold point 42 can hold the pen core 30 while the central portion is in close contact with both sides of the pen core 30.

The pair of hold points 42 configured as described above, when the button 51 of the release unit 50 is pressed by the user, the button 51 moves downward and the lower end of the button 51 holds a pair. As it is inserted between the points 42, it is possible to release the pen nib 30 while opening on both sides.

To this end, the pair of hold points 42 hold the pen core 30 at a preset pressure so as to transmit the pressure applied to the pen core 30 to the pressure sensor 60 and improve the writing feeling, and the button ( It can be made to have the elasticity set according to the actual experimental results to be spread on both sides by the insertion of 51).

Here, in order to prevent the pair of hold points 42 from escaping out of the hold body 41 of the holder 40, as shown in FIG. 6, the front and rear walls of the hold body 41 are A pair of anti-separation protrusions 45 may be protruded toward the center of each hold body 41.

Therefore, the front end and the rear end of the pair of hold points 42 are inserted into the space between both side walls of the hold body 41 and the release preventing protrusions 45 to prevent departure.

Here, the pair of anti-separation protrusions 45 formed on the rear wall of the hold body 41 is easily in close contact with the rear wall of the pen core 30 in the process of inserting the pen core 30 into the hold body 41. It can be guided to be fixed.

Meanwhile, in the present embodiment, the hold points 42 are provided as a pair and described as being symmetrically installed on both sides of the pen core 30, but the present invention is not limited thereto.

For example, the present invention provides one or three or more hold points 42 on one side of the pen core 30, or elasticity of various shapes and structures, such as coil springs or rubber springs, in addition to the plate springs for each hold point 42 It can be changed to apply the member.

In addition, the present invention may be modified to manufacture integrally with the hold body 41 by injection molding a pair of hold points 42 so that one side is connected to the hold body 41, respectively.

As shown in FIG. 5, the release unit 50 may include a button 51 that is inserted between the pair of hold points 42 by the user's pressing operation to release the pen tip 30.

The button 51 is formed on the lower surface of the flange portion 52 and the flange portion 52 that is seated on the upper end of the hold body 41 and is inserted between the pair of hold points 42 when replacing the pen core 30. It may include an insertion portion 53 for releasing the pen core 30 and an operation portion 54 protrudingly formed on the upper surface of the flange portion 52 and pressurized by a user.

The flange portion 52 may be formed on a larger area than the opening formed on the upper surface of the hold body 41 to be seated on the upper surface of the hold body 41.

The insertion portion 53 is normally inserted into the inner space of the hold body 41 through the upper surface of the hold body 41 through the opening of the hold body 41. Here, the insertion portion 53 maintains a state moved upward by the elasticity of the pair of hold points 42.

In addition, when the manipulation unit 54 is pressed from the user to replace the pen core 30, the insertion unit 53 releases the pen core 30 by spreading a pair of hold points 42 on both sides while moving downward.

To this end, the insertion portion 53 is tapered so as to decrease in diameter toward the bottom, and the bottom surface of the insertion portion 53 may be concavely formed into a curved surface having a curvature corresponding to the curvature of the outer circumferential surface of the pen core 30. have.

3 and 4 again, the pressure sensor 60 is installed to be in contact with the rear end of the holder 40 surrounding the pen core 30, and the force of the pen core 30 being pressed during writing is performed by the hold body 40. The detection signal may be transmitted to a control unit (not shown) of the electronic pen by sensing the rear end portion, that is, a portion in contact with the protrusion.

As described above, according to the present invention, as the pen nib is held at an appropriate pressure using a pair of hold points provided in the holder, the writing feeling can be improved and the pen pressure can be accurately sensed.

In addition, the present invention can easily replace the pen core by releasing the pen core held in the holder using the release button.

Next, a coupling relationship and an operation method of a pen core hold device and an electronic pen applied thereto according to a preferred embodiment of the present invention will be described in detail.

First, the operator installs the holder portion 40 and the pressure sensor 50 inside the electronic pen housing 20.

To this end, the housing 20 may be assembled in a substantially pen shape by being coupled to each other in the vertical direction or the horizontal direction.

At this time, a pair of hold points 42 are installed inside the hold body 41 of the holder 40.

Subsequently, the operator through the through hole 23 formed in the distal end of the housing 20, the rear end of the pen core 30 penetrates a pair of hold points 42 installed inside the hold body 41 to hold the body 41. Insert the pen core 30 until it contacts the inner end of the ie, the back wall.

At this time, when the pen core 30 is inserted into the holder portion 40, the pair of hold points 42 are elastically deformed to open on both sides, hold both sides of the pen core 30, and the pen core 30 holds the body ( When the inner end of 41) is reached, the pen tip 30 can no longer proceed, and the pen tip 30 is fixed by a pair of hold points 42.

Therefore, when writing using an electronic pen, the pen nib 30 performs a writing operation by a user's manipulation in a state held by the holder 40, and the pressure sensor 60 applies pressure to the pen nim 30. It senses and transmits the detection signal to the controller of the electronic pen.

As described above, the present invention can improve the writing feeling by holding the pen nib using a push-up spring provided at the front end of the holder and a pair of hold points, and can quickly sense the pen pressure using a pressure sensor.

On the other hand, the operator couples the release portion 50 to the top of the housing 20.

At this time, the flange portion 52 provided on the button 51 of the release portion 50 is coupled to the upper end of the housing 20 and seated on the upper surface of the hold body 41 of the holder portion 40, the flange portion 52 The insertion portion 53 formed to protrude from the lower portion is disposed on the top of the pair of hold points 42.

When the user presses the operation portion 54 formed on the upper surface of the flange portion 52 to replace the pen core 30, the insertion portion 53 is inserted between the pair of hold points 42 while moving downward, The pair of hold points 42 are elastically deformed to spread on both sides, releasing the pen core 30.

As described above, according to the present invention, the pen nib can be easily separated from the housing and replaced without the need to use tools such as forceps, by releasing the nib by opening the pair of hold points on both sides by operating the buttons of the release unit.

Through the process as described above, the present invention can improve the writing feeling and quickly sense the pen pressure by holding the pen nib at an appropriate pressure using a pair of hold points provided in the holder.

And the present invention can release the pen nib held in the holder by using the release button, it is possible to easily replace the pen nib without touching the nib portion with ink.

Although the invention made by the present inventors has been described in detail according to the above-described embodiments, the present invention is not limited to the above-described embodiments, and it is needless to say that various modifications can be made without departing from the gist thereof.

That is, in the above embodiment, the configuration of the pen nim holding device applied to the electronic pen in which the actual ink is written using a pen nim, etc. was described, but the present invention is not limited thereto, and can be applied to various devices to which the nim is applied. Can be changed.

The present invention holds the pen nib at an appropriate pressure, and a push-up spring brings the hold body into close contact with the pressure sensor to improve the writing feeling, can quickly sense the pen pressure, and easily releases the nib held on the holder to easily replace the pen nim It is applied to the pen nim hold device and the electronic pen technology to which it is applied.

10: pen nim hold device 20: housing
21: Pen core installation space 22: Holder installation space
23: through hole 30: pen core
40: holder 41: hold body
42: Hold point 43: Push-up spring
44: installation space 45: departure prevention projections
50: release section 51: button
52: flange portion 53: insertion portion
54: control unit 60: pressure sensor

Claims (7)

It is installed inside the housing forming the outer shape and holds the pen nib and
When replacing the pen core includes a release portion for operating the holder portion to release the pen core held in the holder portion,
The holder portion is installed in a holder installation space formed inside the housing, and the pen core penetrates therein and is inserted into an inner rear end portion.
It is installed inside the hold body and holds both sides of the pen core by using elasticity to fix the pen core, and includes a pair of hold points for releasing the pen core by the release unit when replacing the pen core,
The release unit includes a button that is inserted between the pair of hold points by the user's pressing operation to release the pen nib,
A pen nim holding device, characterized in that the pair of hold points are elastically deformed so as to spread on both sides according to a button operation of the release portion when the pen nim is replaced. According to claim 1,
A pressure sensor is installed at the rear side of the pen core to sense the pressure applied to the pen core during writing.
A pen-up holding device, characterized in that a push-up spring is provided between the front end of the hold body and the front wall of the holder installation space to provide elastic force to press the pen core held in the holder portion and the holder toward the pressure sensor. . According to claim 2,
An installation space in which the pair of hold points are installed is provided inside the hold body,
A pen core hold device characterized in that a protrusion having an outer diameter smaller than an inner diameter of the push-up spring is formed at a front end of the hold body so as to be inserted into a rear end of the push-up spring. According to claim 1,
Each of the pair of hold points is provided with a semi-circular or arc-shaped leaf spring,
The pen core hold device, characterized in that the central portion protruding convexly from each hold point is installed to correspond to each other. According to claim 1,
The button is a flange portion seated on the upper surface of the holder body of the holder,
An insertion part protruding from the lower surface of the flange portion and inserted between a pair of hold points when the pen core is replaced, and releasing the pen core;
Pen nim holding device characterized in that it comprises an operation portion that is formed to protrude on the upper surface of the flange portion is pressed by the user. The method of claim 5,
The insertion portion is formed to taper so that the diameter becomes smaller toward the bottom,
The bottom surface of the insertion portion is a pen core holding device, characterized in that it is formed concave to a curved surface having a curvature corresponding to the curvature of the outer peripheral surface of the pen. Claims 1 to 6 comprising the pen nim hold device according to any one of claims
Hold the both sides of the pen nim inserted through the housing using a holder portion applied with a pair of hold points,
An electronic pen with a pen core hold device characterized in that the pen core is released by elastically deforming the pair of hold points on both sides according to a button operation of the release portion when the pen core is replaced.

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