TWM558395U - Integrally formed touch pen and touch pen using the touch pen head - Google Patents

Abstract

An integrally formed stylus pen and a stylus using the stylus pen, wherein an integrally formed stylus pen head is assembled on a pen. The stylus head includes a conductive member and an insulating cover member. The conductive member has a rod head, a tail portion and a rod connecting the rod head and the tail portion, wherein the rod head, the rod body and the tail portion are integrally formed. The insulating covering member is sprayed out of the formed covering rod body, and one end of the insulating covering member abuts the rod head, and the tail portion is exposed outside the insulating covering member. Thereby, the size of the integrally formed head is designed to be large, and the rigidity is improved and the tolerance is increased.

Description

Integrated stylus pen and stylus using the stylus

The present invention relates to a stylus pen, and more particularly to an integrally formed stylus with a rigid, precise (Precision) and Durability, and a stylus using the stylus .

With the development of technology, 3C products are becoming more and more fast, especially touch-operated interface products, such as tablet PCs and smart phones, have become the trend and mainstream in the future. The touch-operated interface product is mainly realized by a touch screen combined with a graphical operation interface of an operation system, and the touch screen can be divided into a resistive touch screen and a capacitive touch screen according to the principle of the sensing. Several types of electromagnetic touch screens.

The above various touch screens are used to detect the position of the position stylus, thereby generating corresponding indicators or cursors, and interacting with the corresponding touch operation interface products. The tip of the existing capacitive stylus (the head) is made by injection molding of conductive plastic and conductive parts. Although the display index or the cursor position can be accurately generated through the conductive plastic and the operation interface, the plasticity is made due to softness. The material is easy to wear, and the tip of the conductive member is thinner, so that the strength of the tip of the conductive member is insufficient. Under long-term use, the plastic material is easily worn and worn, and the tip of the conductive member may be bent or broken due to compression. Therefore, rigidity and durability are insufficient.

Therefore, how to overcome the above-mentioned shortcomings through the improvement of structural design has become one of the important topics to be solved by this undertaking.

One of the purposes of the present invention is to provide an integrally formed stylus pen with a larger size (conical body) and a higher rigidity for increasing precision and tolerance, and a stylus using the stylus .

In order to achieve the above purpose, the present invention provides an integrally formed stylus pen that is assembled on a pen. The stylus head includes a conductive member and an insulating cover member. The conductive member has a rod head, a tail portion and a rod connecting the rod head and the tail portion, wherein the rod head, the rod body and the tail portion are integrally formed. The insulating covering member is sprayed out of the formed covering rod body, and one end of the insulating covering member abuts the rod head, and the tail portion is exposed outside the insulating covering member.

In order to achieve the above purpose, the present invention also provides a stylus pen, including a pen and a stylus pen as described above. The stylus is assembled on the sheath, and the sheath is a suitable conductive material or any suitable non-conductive material, which varies depending on the needs of the stylus.

The present invention also has the following effects. In a specific embodiment, the insulating covering member and the conductive member can be integrally shot out in one shot, which effectively reduces the cost advantage. The design of the concave ring portion and the convex ring portion of the conductive member can increase the bonding strength with the plastic covering material.

In addition, the stylus tip of the present invention can be easily replaced by a thread structure or the like due to wear, abrasion, or even accidental breakage or bending. Therefore, the stylus tip of the present invention is easy to replace and has good reliability, and it is not necessary to re-purchase the whole. Only new styluses reduce purchase costs.

The detailed description and technical content of the present invention are described below with reference to the drawings, but the drawings are only for reference and explanation, and are not intended to limit the creation.

Referring to FIG. 1 to FIG. 6, the present invention provides an integrally formed stylus pen 1. The stylus head 1 referred to herein is assembled to a pen 5 and constitutes a stylus 6. The stylus 6 in the embodiment may be an active or passive type of capacitive touch whiteboard pen; however, in other different embodiments, the stylus 6 may also be applied to mobile devices and tablets. , graphics tablet or other suitable electronic touch device.

In the embodiment shown in FIG. 1 , the pen holder 5 of the active capacitive stylus 6 is provided with a plug hole (not shown), and has a circuit unit 52 such as a capacitor and the like, and a circuit unit 52 coupled to the circuit unit 52 . Power supply unit 53. The power supply unit 53 is, for example, a battery of a dry battery, a battery, a lithium battery, or a composite thereof to provide power required for the stylus pen 6. The pen 5 of the conductive stylus 1 is a suitable conductive material or any suitable non-conductive material, which varies depending on the needs of the stylus pen 6. The conductive stylus 1 is replaceably assembled on the insertion hole 51 of the pen holder 5, that is, the insertion hole 51 of the pen holder 5 is detachably assembled with the stylus pen 1, and the assembly manner thereof will be described later.

As shown in FIG. 2 to FIG. 6, the stylus pen 1 includes a conductive member 2 and an insulating cover member 3. The conductive member 1 has a rod head 21, a tail portion 23, and a rod body 22 connecting the rod head 21 and the tail portion 23, wherein the rod head 21, the rod body 22 and the tail portion 23 are integrally formed. The conductive member 2 of the present embodiment is preferably made of, for example, a rod shape by turning or other suitable method, and the material of the conductive member 2 includes, but is not limited to, a conductive material such as steel, iron, aluminum, copper or an alloy thereof.

The conductive member 2 is electrically coupled to the circuit unit 52 of the pen holder 5 through a wire (not shown) or other metal guiding device (not shown) for conducting an input signal generated by the touch screen (not shown). And receiving the input signal through the circuit unit 52 and transmitting an output signal to the touch sensing device (system), and then interacting with the system to determine the coordinate position thereof.

As shown in FIG. 2 and FIG. 3, the rod head 21 and the rod body 22 further have a concave ring portion 24, and the size of the concave ring portion 24 is smaller than the size of the rod body 22 and the rod head 21 to increase the insulating covering member 3. The degree of bonding with the body 22. The shape of the head 21 is a cone having a round shape (not shown), and the rod 22 is a cylinder, and the size of the head 21 is larger than the size of the rod 22, so that the overall rigidity of the conductive member 2 is increased and withstand. The force increases. Therefore, since the size of the head 21 is large (large), the pen body 22 and the tail portion 23 can also be designed to have a large size, thereby effectively improving the rigidity, accuracy, and tolerance of the entire conductive member 2.

Referring to FIG. 4 and FIG. 5 together, the insulating cover member 3 integrally projects the formed body 22 of the coated conductive member 2 in a mold (not shown) to form the stylus head 1 of the present invention. Specifically, the conductive member 2 completed in the vehicle is placed in the mold (not shown), and the liquid non-conductive plastic material is injected into the mold. After the insulating cover member 3 is solidified, one end and the head 21 are solidified. One end abuts and the tail 23 is exposed outside the insulating cover 3. The insulating covering member 3 referred to herein is, for example, polyoxymethylene (POM), polyurethane (PU) or other suitable non-conductive thermoplastic plastic, and is not limited.

The length L' of the head 21 along the longitudinal direction of the conductive member 2 as shown in FIG. 4 is smaller than the length L" of the insulating cover member 3 along the longitudinal direction of the conductive member 2, so that the tilted stylus head 1 is manipulated. When the touch screen (not shown), the body 22 covered by the plastic covering material 3 can avoid capacitive coupling reaction with the touch screen.

In addition, a flange portion 25 and a two-cavity cavity 26 formed in the collar portion 25 are further disposed between the rod body 22 and the tail portion 23, wherein the two chambers 26 are preferably symmetrically disposed to each other. When the insulating covering member 3 integrally emits the molded coated conductive member 2, a space (not shown) is formed near the convex ring portion 25 of the mold (not shown), so that the other end of the insulating covering member 3 is integrally formed with a coating. An extension 31 of the collar portion 25 is used to save process time and cost. The extension member 31 is also filled in each of the cavities 26 to increase the tight coupling relationship with the rod body 22, as shown in FIG.

Referring to FIG. 6 together, a plug portion 4 assembled to the pen holder 5 is also included. The insertion portion 4 is formed by the extension member 31 and the convex ring portion 25. The insertion portion 4 of the pen holder 5 defines an insertion hole 51 and an internal thread portion 511 provided along the inner wall surface of the insertion hole 51. The outer surface of the tail portion 23 of the stylus pen 1 further has an external thread portion 231 to be screwed to the internal thread portion 511. When the head 21 of the stylus pen 1 is worn, worn, or even accidentally broken or bent for a long time, the worn stylus pen 1 can be easily unscrewed from the insertion hole 51 of the pen holder 5 through the screw structure. The new stylus tip 1 having the male screw portion 231 is screwed to the female screw portion 511 of the insertion hole 51 to be fastened. Therefore, the stylus pen 1 of the present embodiment is easy to replace and has good reliability, and it is not necessary to re-purchase the entire new stylus pen 6, which can greatly reduce the purchase cost.

In summary, the embodiments disclosed herein are to be considered as illustrative of the present invention and are not intended to limit the present invention. The scope of this creation is defined by the scope of the appended patent application and covers its legal equivalents and is not limited to the foregoing description.

1‧‧‧ stylus head

2‧‧‧Electrical parts

21‧‧‧ head

22‧‧‧Body

23‧‧‧ tail

231‧‧‧External thread

24‧‧‧ concave ring

25‧‧‧ convex ring

26‧‧‧ cavity

3‧‧‧Insulation cover

31‧‧‧Extensions

4‧‧‧Interface

5‧‧‧ pen

51‧‧‧ Sockets

511‧‧‧Threaded Department

52‧‧‧ circuit unit

53‧‧‧Power supply unit

6‧‧‧ stylus

L’, L”‧‧‧ length

FIG. 1 is a schematic view showing the stylus of the present invention, that is, a schematic view of the stylus pen mounted on the pen holder.

2 is a perspective view showing a conductive member of the stylus pen of the present invention.

3 is a cross-sectional view showing the conductive member of the stylus pen of the present invention.

4 is a cross-sectional view showing the integrally formed injection molding of the present conductive member and the insulating covering member.

FIG. 5 is a perspective view showing the integrally formed injection molding of the present conductive member and the insulating covering member.

FIG. 6 is a partial cross-sectional view showing the stylus tip of the present invention joined to the pen.

Claims (9)

The integrally formed stylus head is assembled on a rod, the stylus head comprises: a conductive member having a rod head, a tail portion and a rod connecting the rod head and the tail portion, wherein the rod head and the rod body And the tail portion is integrally formed; and an insulating covering member is injection-molded to cover the rod body, and one end of the insulating covering member abuts the rod head, and the tail portion is exposed outside the insulating covering member. The integrally formed stylus head according to claim 1, wherein the rod head and the rod body further have a concave ring portion, and the concave ring portion has a size smaller than a size of the rod body. The stylus tip formed by claim 1 , wherein the shape of the head is a cone having a round shape, the rod is a cylinder, and the size of the head is larger than the size of the rod . The integrally formed stylus head according to claim 1, wherein the rod body and the tail portion further have a convex ring portion and a two-cavity cavity formed in the convex ring portion, and the other end of the insulating covering member is There is an extension member covering the convex ring portion. A stylus tip formed as claimed in claim 4, wherein the extension member is further filled in each of the cavities for bonding to the rod. A stylus pen comprising: a pen and a stylus pen, assembled on the pen tip, the stylus pen head comprising: a conductive member having a rod head, a tail portion and a rod connecting the rod head and the tail portion The rod head, the rod body and the tail portion are integrally formed; and an insulating covering member is injection-molded to cover the rod body, and one end of the insulating covering member abuts the rod head, and the tail portion is exposed Outside the insulating cover. The stylus according to claim 6, wherein the rod body and the tail portion further have a convex ring portion and a two-cavity cavity formed in the convex ring portion, and the other end of the insulating covering member is covered. An extension of the convex ring portion. The stylus according to claim 7, further comprising a plug portion assembled to the pen holder, the plug portion being formed by the extension member and the convex ring portion, and the pen holder is provided with a plug corresponding to the plug portion a through hole and an internal thread portion provided along an inner wall surface of the insertion hole. The stylus according to claim 8, wherein the outer surface of the tail of the stylus has an external thread to be screwed to the internal thread.