TWM636525U - writable stylus - Google Patents

Abstract

The present disclosure provides a writable stylus, which includes a pen shell and a first electrode. The pen shell is made of non-conductive material, and the pen shell is provided with a first outlet and a second outlet; the first electrode is made of conductive material and installed in the pen shell, and the first electrode The first end protrudes from the first outlet, and the second end of the first electrode enters the pen body through the second outlet; in the writing state, the first end of the first electrode is on the writing object based on physical friction Colored traces are attached. The writable stylus provided in this disclosure has both signal-based electronic writing and control capabilities, and the ability to perform non-electronic writing on paper, walls, and other writing objects based on physical contact, and is easy to carry and use.

Description

writable stylus

This creation is about a writable stylus.

With the development of various terminals, many terminal devices use touch panels as operation interfaces, such as smart phones and tablet computers. In order to achieve convenient control of these terminal devices, a stylus has emerged as the times require. The stylus is a pen-shaped tool through which the user can operate on the touch panel to input commands to the terminal device. The stylus in the prior art only has the electronic track writing ability based on signal communication, and has no other writing ability.

The purpose of the present disclosure is to provide a writable stylus that can solve at least one of the above problems.

One aspect of the present invention provides a writable stylus, comprising: a pen shell made of a non-conductive material, the pen shell is provided with a first outlet and a second outlet; a first electrode made of a conductive material formed and installed in the pen shell, the first end of the first electrode protrudes from the first outlet, and the second end of the first electrode enters the pen body through the second outlet; in the writing state , the first end of the first electrode attaches colored traces on the writing object based on physical friction.

In some embodiments, the first end of the first electrode is made of a writable conductive material.

In some embodiments, the writable conductive material includes graphite alloy.

In some embodiments, the writable conductive material includes a zinc alloy.

In some embodiments, the writable conductive material includes lead alloy.

In some embodiments, the first end of the first electrode comprises: a conductive cavity for containing a writable fluid material; in a writing state, the conductive cavity guides the writable fluid material to flow out and adhere on the surface of the writing object.

In some embodiments, the first electrode is provided with: a writable electrode, the first end of which protrudes from the first outlet for physical contact with the writing object; a non-writable electrode, which is far away from the writable electrode. The end of the writing electrode is the second end of the first electrode, and a receiving cavity is provided near the end of the writing electrode, and the receiving cavity is used to receive the second end of the writing electrode.

In some embodiments, the writable electrode is made of a writable conductive material; the non-writable electrode is made of a conductive material; the material of the writable electrode is different from the material of the non-writable electrode .

In some embodiments, the first end of the writable electrode includes a circular truncated; the first end of the circular truncated surface is provided with an arc surface, and the arc surface and the circular truncated smooth transition; the circular truncated The second end face is connected to the cylinder, and the end of the cylinder away from the circular truncated is the second end of the writable electrode.

In some embodiments, the tip housing is a hollow frustum of a cone, and the outer peripheral surface of the frustum of a cone and the outer peripheral surface of the frustum of a cone have a smooth transition.

In some embodiments, the nib shell is provided with: a truncated conical containing portion, the first outlet is formed at the cross section, and the second outlet is formed at the bottom surface; a first stop ring is located at the first outlet The inner side of an outlet; the second limiting ring is located between the first outlet and the second outlet; the first limiting ring and the second limiting ring are used to fix the first electrode, The first limiting ring is also used to limit the detachment of the writable electrode.

In some embodiments, the first electrode is used to receive a signal.

In some embodiments, the writable stylus also includes: a pen body shell, a metal probe is arranged in the pen body shell, and a third outlet is provided; a second electrode, the second electrode is A cylindrical electrode, which is provided with a first insulating ring for isolating the first electrode; the first end of the second electrode is fixed in the pen body casing, and the second end protrudes from the third outlet; In the assembled state, the second end of the first electrode passes through the second electrode and is detachably installed in the clamping part of the metal probe, and the second end of the second electrode is detachably installed Inside the pen tip shell.

The writable stylus provided in this disclosure has at least two writing functions. First: the first electrode can emit a signal to send the signal to the electronic device, and the electronic device can determine the position, tilt angle, and other information of the writable stylus to realize signal communication. Based on the signal communication, the electronic device can display the writing track of the writable stylus through the screen. Second: When writing on a writing object (such as paper), the first end of the first electrode and the writing object generate physical friction, which will make the material at the first end of the first electrode It is attached to the surface of the writing object, thereby forming traces consistent with the writing track on the surface of the writing object. It can be seen that the writable stylus provided by this creation has both signal-based electronic writing and control capabilities, and the ability to perform non-electronic writing on paper, walls and other writing objects based on physical contact, and is easy to carry and use.

The creation will be further described in detail below in conjunction with the drawings and embodiments. It can be understood that the specific embodiments described here are only used to explain the invention, rather than limit the invention. In addition, it should be noted that, for the convenience of description, only some structures related to this invention are shown in the drawings but not all structures.

In the description of this disclosure, unless otherwise specified and limited, the terms "connected", "connected" and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integrated ; It can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary, and it can be the internal communication of two components or the interaction relationship between two components. Those skilled in the art can understand the specific meanings of the above terms in this disclosure according to specific situations.

In the present disclosure, unless otherwise expressly specified and limited, a first feature being "on" or "under" a second feature may include direct contact between the first and second features, and may also include the first and second features Not in direct contact but through another characteristic contact between them. Moreover, "above", "above" and "above" the first feature on the second feature include that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. "Below", "below" and "below" the first feature is below the second feature include the first feature being directly below and obliquely below the second feature, or simply means that the first feature is less horizontally than the second feature.

In the description of this embodiment, the orientations or positional relationships such as "up", "down", and "right" are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of description and simplification of operations, rather than indicating or It should not be construed as limiting the invention by implying that a referenced device or element must have a particular orientation, be constructed, and operate in a particular orientation. In addition, the terms "first" and "second" are only used to distinguish in description, and have no special meaning.

The following will illustrate the writable stylus of the invention through the embodiments.

It can be understood that the writable stylus described in this embodiment can be used on writing objects such as paper, whiteboard, and wall. Of course, the writable stylus described in this embodiment can also be applied to electronic devices with touch screens or touch panels, so that operations (such as writing) on the touch screen or touch panels can be realized to realize signal communicate. Wherein, the electronic device includes but is not limited to a tablet computer, a mobile phone, or a notebook computer. The touch screen or touch panel can be a touch screen or touch panel of an ordinary tablet computer, or a flexible screen of a mobile phone or a tablet computer. The writable stylus provided by this embodiment has a beautiful and simple appearance, a good hand feeling, convenient replacement of the tip, and a long service life.

As shown in FIGS. 1-9 , the writable stylus may include: a pen body shell D, a pen tip shell 6 , a first electrode 1 and the like. The tip housing 6 is made of non-conductive material, and the tip housing 6 is provided with a first outlet 62 and a second outlet 61 . The first electrode 1 is made of conductive material and installed in the pen head housing 6, the first end 12 of the first electrode 1 extends out of the first outlet 62, and the second end of the first electrode 1 11 enters the pen body through the second outlet 61. In the writing state, the first end 12 of the first electrode 1 adheres colored traces on the writing object based on physical friction. The attachment refers to coating the colored material on the surface of the writing object. The writing object can be on various carriers such as paper, whiteboard, wall, etc., which is not specifically limited in this embodiment.

As mentioned above, the first electrode has at least two writing functions. First: It is used to transmit the signal of the stylus (such as transmitting the signal), so as to send the signal to the electronic device, and the electronic device can determine the position, inclination angle, and other various information of the writable stylus, In order to achieve signal communication. Based on the signal communication, the electronic device can display the writing track of the writable stylus on the screen. Second: when writing on a writing object (such as paper), the first end 12 of the first electrode 1 and the writing object produce physical friction, which will make the first end of the first electrode 1 The material of the end 12 adheres to the surface of the writing object, thereby forming marks on the surface of the writing object consistent with the writing track.

It can be seen that the writable stylus provided by this embodiment has both signal-based electronic writing and control capabilities, and the ability to perform non-electronic writing on paper, walls, and other writing objects based on physical contact, and is convenient to carry and use.

It should be noted that what signal the first electrode 1 receives/sends, how to receive/send the signal and when to receive/send the signal are controlled by other components of the writable stylus (such as a circuit board). In addition, the nib shell 6 can be made of soft insulating material, such as silicon rubber or rubber. Since the tip shell 6 is made of non-conductive material, it will not affect the signal emission of the first electrode 1 .

In an optional embodiment, the first end 12 of the first electrode 1 is made of a writable conductive material. Through the writable conductive material, signal conduction and emission capabilities, as well as the attachment of colored traces are realized. It should be noted that the writable conductive material may be any material having the above-mentioned capabilities and properties.

In an optional embodiment, the writable conductive material includes graphite alloy.

In an optional embodiment, the writable conductive material includes zinc alloy.

In an alternative embodiment, the writable conductive material comprises a lead alloy.

Some of the materials listed above have conductivity and writability, and the composition ratio of the above materials can be determined according to actual needs. The present disclosure does not limit specific types of materials, nor does it protect the distribution ratio of material components.

In an optional embodiment, the first end 12 of the first electrode 1 includes: a conductive cavity (not marked) for containing a writable fluid material; in a writing state, the conductive cavity guides the A fluid writable material flows out and adheres to the surface of the writing item.

In the above optional embodiment, the writable fluid material may be materials such as ink, and the conductive cavity may be constructed with reference to gel pens, ballpoint pens, and the like. Replace the cavity of the gel pen and ballpoint pen with a conductive cavity, such as a metal cavity.

In an optional embodiment, the first electrode 1 is provided with: a non-writable electrode P1 and a writable electrode P2. The first end of the writable electrode P2 protrudes from the first outlet 62 for physical contact with the writing object. And, the non-writable electrode P1, its end away from the writable electrode P2 is the second end 11 of the first electrode 1, and its end close to the writable electrode P2 is provided with a receiving cavity 13, the The receiving cavity 13 is used for receiving the second end of the writable electrode P2. Through the separate arrangement of the non-writable electrode P1 and the writable electrode P2 , the material usage of the writable electrode P2 can be saved, and the durable use of the first electrode 1 can be ensured.

In an optional embodiment, the writable electrode P2 is made of writable conductive material. The non-writable electrode P1 is made of conductive material; the material of the writable electrode P2 is different from that of the non-writable electrode P1. The writable electrode P2 can be made of graphite alloy, zinc alloy, lead alloy and the like. The writable electrode P2 can be made of aluminum alloy, stainless steel, copper and other materials, which not only saves the material of the writable electrode P2, but also ensures the conductivity and durability of the first electrode 1 through the writable electrode P2. Use performance, etc. Of course, the non-writable electrode P1 can also be made of the same material as the writable electrode P2 if the material permits.

In an optional embodiment, the first end of the writable electrode P2 includes a circular frustum 121 . The first end surface of the circular platform 121 is provided with an arc surface 122 , and the arc surface 122 and the circular platform 121 transition smoothly. The second end surface of the circular platform 121 is connected to the cylinder 14, and the end of the cylinder 14 away from the circular platform 121 is the second end of the writable electrode P2. The structure of the writable electrode P2 can ensure smooth writing and prevent electronic equipment from being scratched. In addition, the gradually shrinking structure formed by the round platform 121 and the arc surface 122 is also beneficial to the transmission of signals.

In an optional embodiment, the nib housing 6 is a hollow circular frustum housing, and the outer peripheral surface of the circular platform 121 and the outer peripheral surface of the circular frustum housing smoothly transition. This structure can ensure the tidy appearance of the writable stylus.

In an optional embodiment, the nib housing 6 is provided with: a conical receiving portion, a first limiting ring 63 and a second limiting ring 64 . The truncated circular housing part is a circular truncated structure, and the two end faces of the circular truncated structure correspond to the first outlet 62 and the second outlet 61 respectively. Specifically: the truncated conical receiving portion, the first outlet 62 is formed on the cross section, and the second outlet 61 is formed on the bottom surface. The first limiting ring 63 is located inside the first outlet 62 . The second limiting ring 64 is located between the first outlet 62 and the second outlet 61; the first limiting ring 63 and the second limiting ring 64 are used to fix the first electrode 1 , the first limiting ring 63 is also used to limit the detachment of the writable electrode P2. Through the structure inside the tip housing 6, the first electrode 1 can be effectively fixed. 4A and 4B, the outer diameter of the receiving cavity 13 of the first electrode 1 is respectively larger than the inner diameter of the first limiting ring 63 and the inner diameter of the second limiting ring 64, so that the first limiting ring The position ring 63 and the second limit ring 64 can fix the first electrode 1 . A groove (not marked) is provided at the end of the cylinder 14 close to the round platform 121 , and the groove can be snapped into by the first limiting ring 63 so as to limit the detachment of the writable electrode P2 .

It should be noted that the above-mentioned fixing structure of the first electrode 1 and the pen head housing 6 is only exemplary, and other fixing structures can also be used to carry out the fixing structure of the first electrode 1 and the pen head housing 6 according to actual needs. fixed.

In an optional embodiment, the first electrode 1 is used for receiving signals to realize further signal communication.

In an optional embodiment, the writable stylus further includes: a pen body housing D, in which a metal probe 2 is provided and a third outlet is provided. The second electrode 7, the second electrode 7 is a cylindrical electrode, which is provided with a first insulating ring 73 for isolating the first electrode 1; the first end of the second electrode 7 is fixed on the pen body Inside the housing D, the second end protrudes from said third outlet. Wherein, the first insulating ring 73 is sheathed in the second electrode 7 and can allow the first electrode 1 to pass through. In the assembled state, the second end of the first electrode 1 passes through the second electrode 7 and is detachably installed in the clamping portion 21 of the metal probe 2, and the second end of the second electrode 7 The two ends are detachably installed inside the pen tip housing 6 .

As shown in Figure 1, in the assembled state, the second end of the second electrode 7 is hidden in the interior of the pen shell 6, and the pen body shell D and the pen shell 6 constitute the body of the writable stylus. The overall appearance not only improves the aesthetics and simplicity of the writable stylus with multiple electrodes, but also improves to a certain extent because the second electrode 7 is not exposed outside (exposed to the air). The service life of the second electrode 7. The first electrode 1 and the nib casing 6 are easily damaged due to long-term pressure or physical friction with the outside world. In this embodiment, the second end of the first electrode 1 is detachably installed in the clamping portion 21 of the metal probe 2, and the second end of the second electrode 7 is detachably installed in the clamping portion 21 of the metal probe 2. Described nib shell 6 inside. Under the action of external force, the second electrode 7 is detached from the clamping portion 21 , and then detached from the casing D of the pen body. Similarly, the second electrode 7 can be detached from the pen tip casing 6 . Therefore, this embodiment can also realize convenient replacement of the pen tip housing 6 and the first electrode 1 .

As shown in FIG. 1 , the pen housing D is divided into a hollow straight part and a hollow circular platform part. The hollow circular truncated portion shrinks toward the nib housing 6, and forms the third outlet at the end away from the hollow straight portion. The outer wall of the nib housing 6 is also a truncated cone structure, and the second outlet 61 is formed at the bottom of the truncated cone structure. The third outlet is opposite to and adapted to the second outlet 61 . In the assembled state, the nib shell 6 and the hollow frustum part form a larger frustum structure to form a neat pen-shaped appearance. Wherein, the first electrode 1 is used to send a first signal, and the second electrode 7 is used to send a second signal. The frequency of the first signal is different from the frequency of the second signal. Based on the first signal and the second signal, the electronic device can determine the position, tilt angle, and other types of information of the writable stylus.

An exemplary structure of the writable stylus of this embodiment is further introduced below.

In an optional embodiment, the writable stylus further includes a second insulating ring 72 ; wherein: the second insulating ring 72 is sleeved on the outer peripheral surface of the second electrode 7 . The outer peripheral surface of the second insulating ring 72 abuts against the third outlet, so that the second electrode 7 does not contact the pen housing D. As shown in FIG. The second insulating ring 72 is a ring structure, and the outer peripheral surface of the second insulating ring 72 is adapted to the inner wall of the third outlet, thereby preventing the second electrode 7 from swinging and preventing the second electrode 7 from swinging. The second electrode 7 is in contact with the casing D of the pen body. If it touches the pen body shell D of metal material, the electric signal of the second electrode 7 will pass through the pen body shell D, the human body, and finally flow to the ground, affecting the normal transmission of the signal. Wherein, the first insulating ring 73 and the second insulating ring 72 can be integrally formed. Holes are opened on the wall surface of the second electrode 7 so that the liquid insulating material can flow to the outer peripheral surface and the inner wall of the second electrode 7 at the same time during injection molding. The integral molding can make the first insulating ring 73 and the second insulating ring 72 be more firmly fixed on the second electrode 7 . It should be noted that the first insulating ring 73 and the second insulating ring 72 can also be manufactured separately.

In an optional embodiment, the second electrode 7 includes a first cylinder 71a and a second cylinder 71b. The first cylinder 71a, corresponding to the first end of the second electrode 7, is used to fix the second electrode 7 in the pen housing D. As shown in FIG. The second cylinder 71b corresponds to the second end of the second electrode 7 . The second cylinder 71b is coaxial with the first cylinder 71a, and the outer radius of the second cylinder 71b is smaller than the outer radius of the first cylinder 71a, so that the first cylinder 71a and the second The junction of the cylinder 71b forms an annular step, the second insulating ring 72 is sleeved on the outer peripheral surface 71b2 of the second cylinder 71b, the first end of the second insulating ring 72 abuts against the annular step, The outer peripheral surface of the second end of the second insulating ring 72 abuts against the third outlet, so that the second insulating ring 72 is fixed at the third outlet, and the first cylinder 71a does not contact the pen body. shell. Wherein, please refer to FIG. 9 , the inner wall surface 71b1 of the second cylinder 71b is used to sleeve on the outer peripheral surface of the first insulating ring 73 . The inner radius of the second cylinder 71b is smaller than the inner radius of the first cylinder 71a.

In the above optional embodiment, a part is provided that can be located in the pen body shell D, and the other part is located in the pen head shell 6, and is physically isolated from the pen body shell D and the first electrode 1. the second electrode 7 . In addition, since the second insulating ring 72 is fixed at the third outlet, and the second insulating ring 72 is against the annular step, it is possible to prevent the second electrode 7 from moving toward the pen tip casing 6. loose.

Further, the second cylinder 71b includes a cylindrical electrode head 715 and a cylindrical conductive part 716 . The cylindrical conductive part 716 has a first end and a second end, and the first end thereof is connected to the first cylinder 71a. The cylindrical electrode tip 715 has a first end and a second end, and the first end is connected to the second end of the cylindrical conductive part 716 . Wherein, the outer circumference radius of the first end of the cylindrical electrode tip 715 is larger than the outer circumference radius of the second end thereof, and the outer circumference of the first end of the cylindrical electrode tip 715 transitions smoothly to the outer circumference of the second end, thereby forming Slope-shaped outer peripheral surface.

Further, the tip housing 6 is provided with a truncated conical accommodation part; wherein: the apex of the truncated conical accommodating part is used to wrap the first end of the first electrode 1; The inner wall surface corresponding to the middle section in the axial direction is used for adhering to the slope-shaped outer peripheral surface of the cylindrical electrode head 715 .

In the above further embodiment, the outer peripheral surface of the cylindrical electrode head 715 is set as the slope-shaped outer peripheral surface, which can improve the effective transmission of the signal of the second electrode 7 . In addition, the slope-shaped outer peripheral surface and the inner wall surface of the truncated cone-shaped accommodating part are used to fit together, so that the cylindrical electrode head 715 can be accurately fixed at a predetermined position in the pen tip housing 6, and the described pen head can be further stabilized. The tip shell 6 prevents the tip shell 6 from swinging outside the axis of the writable stylus. The frustum-shaped receptacle allows for a maximum fit. Wherein, as shown in FIG. 4A , the first end of the first electrode 1 is a circular platform 121 and an arc surface 122 that gradually shrink. Describe the firmness in the nib housing 6. The second end of the second electrode 7 is a cylindrical structure 11 clamped in the clamping portion 21 .

In an optional embodiment, a first gap is defined between the head of the cylindrical electrode head 715 and the truncated conical receiving portion. Correspondingly, a second gap is defined between the third outlet and the second outlet. When in use, the writable stylus sometimes falls to the ground, and usually the tip of the pen touches the ground first. In this optional embodiment, a buffer space is provided through the first gap and the second gap to reduce damage to the pen body.

In an optional embodiment, the writable stylus also includes a pen body inner shell 9 made of non-metallic material. The pen body inner shell 9 is fixed in the pen body shell D, and the first end of the pen body inner shell 9 is connected to the first cylinder 71 a to fix the second electrode 7 . The inner casing 9 of the pen body is used for built-in circuit boards (M, F), the probe fixing part S, and the metal probe 2 . Wherein: the circuit board M is electrically connected to the first electrode 1 and the second electrode 7 to provide different emission signals for the first electrode 1 and the second electrode 7 . The probe fixing part S is provided with a probe accommodating part toward one end of the tip housing 6 . The first end of the metal probe 2 is slidably located in the probe accommodating portion, and the second end is used to clamp the first electrode 1 . The pen body inner shell 9 made of non-metallic material can physically isolate most of the pen body parts (especially the conductive parts) from the pen body shell D. In order to improve the texture of the writable stylus, the pen body shell D is preferably a metal shell, and its metal material can be copper, aluminum, stainless steel, aluminum alloy, titanium alloy, etc.

Further, the probe fixing part S includes a main body part and an extension part; wherein: one end of the main body part of the probe fixing part S is provided with the probe accommodating part, and the opening of the probe accommodating part faces the The tip shell 6; the extension part of the probe fixing part S is respectively located on both sides of the main body of the fixing part, and is used to cooperate with the buckle structure in the inner shell of the pen body, thereby fixing the probe The part S is arranged at a preset position in the inner casing 9 of the pen body. Through the main body part and the extension part, the probe fixing part S can be effectively fixed, and the position of the metal probe 2 can be limited through the probe containing part, so that the metal probe 2 can only be moved along the writable Axial fine-tuning of the stylus.

Further, a pressure sensor S1 is provided at the bottom of the probe accommodating part. When the tip shell 6 is pressed, the first electrode 1 will move relatively along the axial direction of the writable stylus, and then drive the metal probe 2 along the axial direction of the writable stylus. Relative movement in the axial direction finally generates a pressing force on the pressure sensor S1. The pressure sensor S1 can detect the pressing force, and display the detection result on the display screen.

In an optional embodiment, the metal probe 2 includes: a first probe part 22 , a second probe part 21 , a first spring (not marked), a second spring 3 and a third spring 5 . The first probe part 22 is provided with a spring receiving part with an opening facing the probe fixing part S, and a locking block (protruding ring) 23 is provided on its outer wall. The second probe part 21 is configured as the clamping part 21 of the metal probe 2, wherein the outer peripheral surface of the second probe part 21 and the outer peripheral surface of the first probe part 22 A concave ring 24 is formed between them, and the concave ring 24 is used to cooperate with the snap ring 4 . One end of the first spring abuts against the bottom of the spring receiving portion, and the other end abuts against the pressure sensor S1 through the slider 221 . The second spring 3 is sleeved on the outer peripheral surface of the first probe part 22, and is used to lean against between the clamping block 23 and the probe fixing part S; wherein the second spring 3 is also provided There is a first conductive extension wire for electrically connecting the circuit board M. The third spring 5 is sleeved on the outer peripheral surface of the first probe part 22 and is used to abut against between the clamping block 23 and the clasp 4 . One side of the snap ring 4 abuts against the third spring 5 , and the other side of the snap ring 4 abuts against the inner wall step 92 of the inner shell 9 of the pen body. When the writable stylus is not in use, the first spring does not transmit pressure to the pressure sensor S1. In the state of use, the relative movement of the first electrode 1 under the pressing force drives the second probe part 21 and the first probe part 22 to move along the axial direction of the writable stylus, so that the The first spring is in a compressed state, so as to transmit pressure to the pressure sensor S1 through the slider 221 . The second spring 3 is always in a compressed state, ensuring physical contact between the second spring 3 and the locking block 23 . The second spring 3 is always in a compressed state within a preset range, so that the slider 221 and the pressure sensor S1 are kept in contact or close to each other. Through the metal probe 2 provided in the above optional embodiment, it can ensure that the pressure sensor S1 can effectively detect the pressing force of the user when writing, and ensure that the electrical signal provided by the circuit board M can be received.

In an optional embodiment, the writable stylus further includes a fourth spring 8 . Wherein: the fourth spring 8 is provided with a second conductive extension wire. The fourth spring 8 is in physical contact with the first cylinder 71a, and is electrically connected to the circuit board M through the second conductive extension wire.

In an optional embodiment, the second end of the inner shell 9 of the pen body is provided with an external thread 91 , and the external thread 91 and the adjacent area of the external thread 91 form an outer wall step. The first cylinder 71a is provided with an internal thread 711 . Through the external thread 91 and the internal thread 711 , the first end of the inner casing 9 of the pen body is screwed to the first cylinder 71 a. Wherein the fourth spring 8 is sheathed on the outer peripheral surface of the inner shell 9 of the pen body, and abuts between the first cylinder 71a and the step of the outer wall. The fourth spring 8 is always in a compressed state to ensure physical contact between the fourth spring 8 and the second cylinder 71b, thereby ensuring that the electrical signal of the circuit board M can be received. In this optional embodiment, the second electrode 7 can be effectively fixed through the pen body inner shell 9 and the thread structure.

In an optional embodiment, the pen body shell D is made of metal material, which can improve texture and shield signals.

In an optional embodiment, the pen body housing D is electrically connected to the ground terminal of the internal circuit board to form a loop.

In an optional embodiment, a vibrator is also provided in the pen housing D, which can improve the user experience and increase the fun of use.

It should be noted that the writable stylus may also include other components, such as batteries, magnets, buttons, indicator lights, and the like.

For ease of understanding, the circuit working principle of the writable stylus is provided below. (1) The circuit board M generates a first signal, and the first signal enters the first electrode 1 through the second spring 3 and the metal probe 2 , and is finally transmitted by the first electrode 1 The first end 12 is emitted. (2) The circuit board M generates a second signal, the second signal passes through the fourth spring 8, enters the second electrode 7, and finally passes through the second end of the second electrode 7 (cylindrical Electrode tip 715) is emitted. The components used for passing and emitting the first signal and the second signal all include conductive materials, such as metal materials. The nib shell 6 is made of non-conductive material (such as insulating material). The pen body shell D is made of metal material. The pen body inner shell 9 is made of non-metallic (insulating) material. The probe fixing part S is made of non-metallic (insulating) material. The ground terminals of the circuit boards (M, F) are connected to the casing of the pen body.

The above are only preferred embodiments of the disclosure, and are not intended to limit the scope of protection of this creation. Any equivalent structure or equivalent process transformation made by using the contents of this disclosure manual and drawings, or directly or indirectly used in other related All technical fields are equally included in the scope of protection of this creation.

1: the first electrode 11: the second end of the first electrode 12: the first end of the first electrode 121: round table 122: arc surface 13: storage cavity 14: Cylinder 2: metal probe 21: Second probe part, clamping part 22: The first probe part 221:Slider 23: block 24: concave ring 3: Second spring 4: snap ring 5: The third spring 6: Pen shell 61: The second exit 62: First Exit 63: The first limit ring 64: The second limit ring 7: Second electrode 71: Cylinder 71a: first cylinder 71b: Second cylinder 71b1: Inner wall surface of the second cylinder 71b2: The outer peripheral surface of the second cylinder 711: internal thread 715: Cylindrical electrode head 716: cylindrical conductive part 72: Second insulating ring 73: The first insulating ring 8: Fourth spring 9: Pen body inner shell 91: external thread 92: inner wall steps D: pen body shell F, M: circuit board P1: non-writable electrode P2: Writable electrode S: probe fixing part S1: pressure sensor

Fig. 1 discloses a schematic structural diagram of a writable stylus according to an embodiment of the present invention.

Fig. 2 discloses an exploded schematic diagram of a partial structure of the writable stylus of the present invention.

3A-3B disclose another partial structural exploded view of the writable stylus of the present invention.

FIG. 4A discloses an exploded schematic view of the structure of the first electrode of the writable stylus of the present invention.

FIG. 4B discloses a cross-sectional view of the structure of the pen shell of the writable stylus of the present invention.

FIG. 5 discloses an exploded schematic view of the structure of the second electrode of the writable stylus of the present invention.

FIG. 6 discloses another exploded schematic view of the partial structure of the writable stylus of the present invention.

FIG. 7 discloses another exploded schematic view of the partial structure of the writable stylus of the present invention.

Fig. 8 discloses a cross-sectional view of a partial structure of the writable stylus of the present invention.

FIG. 9 discloses another partial structural cross-sectional view of the writable stylus of the present invention.

1: the first electrode

11: the second end of the first electrode

12: the first end of the first electrode

21: Second probe part, clamping part

22: The first probe part

221:Slider

23: block

3: Second spring

4: snap ring

5: The third spring

6: Pen shell

61: The second exit

71a: first cylinder

71b: Second cylinder

711: internal thread

715: Cylindrical electrode head

716: cylindrical conductive part

72: Second insulating ring

8: Fourth spring

9: Pen body inner shell

91: external thread

92: inner wall steps

D: pen body shell

S: probe fixing part

S1: pressure sensor

Claims (13)

A writable stylus comprising: The nib housing is made of non-conductive material, and the nib housing is provided with a first outlet and a second outlet; The first electrode is made of conductive material and installed in the pen shell, the first end of the first electrode protrudes from the first outlet, and the second end of the first electrode passes through the second outlet into the body of the pen; In the writing state, the first end of the first electrode adheres colored traces on the writing object based on physical friction. The writable stylus according to claim 1, wherein the first end of the first electrode is made of writable conductive material. The writable stylus according to claim 2, wherein the writable conductive material includes graphite alloy. The writable stylus according to claim 2, wherein the writable conductive material includes zinc alloy. The writable stylus according to claim 2, wherein the writable conductive material includes lead alloy. The writable stylus as described in claim 1, wherein the first end of the first electrode comprises: a conductive cavity for containing a writable fluid material; In the writing state, the conductive cavity guides the writable fluid material to flow out and adhere to the surface of the writing object. The writable stylus according to any one of claims 1 to 6, wherein the first electrode is provided with: a writable electrode having a first end protruding from said first outlet for physical contact with said writing object; The non-writable electrode, the end of which is far away from the writable electrode is the second end of the first electrode, and the end of which is close to the writable electrode is provided with a storage cavity, and the storage cavity is used to receive the writable electrode. Write the second end of the electrode. The writable stylus according to claim 7, wherein the writable electrodes are made of writable conductive materials; The non-writable electrode is made of conductive material; the material of the writable electrode is different from that of the non-writable electrode. The writable stylus as claimed in claim 7, wherein the first end of the writable electrode comprises a circular frustum; The first end surface of the circular platform is provided with an arc surface, and the arc surface and the circular platform smoothly transition; The second end of the truncated cone is connected to a cylinder, and the end of the cylinder away from the truncated cone is the second end of the writable electrode. The writable stylus according to claim 9, wherein the shell of the pen head is a hollow cone shell, and the outer peripheral surface of the cone and the outer peripheral surface of the shell are smoothly transitioned. The writable stylus as described in claim 9, wherein the pen housing is provided with: a frustum-shaped accommodation portion, the first outlet is formed at the cross section, and the second outlet is formed at the bottom; a first limiting ring, located inside the first outlet; The second limit ring is located between the first outlet and the second outlet; the first limit ring and the second limit ring are used to fix the first electrode, and the first limit ring The bit ring also serves to limit detachment of the writable electrode. The writable stylus according to any one of claims 1 to 6, wherein the first electrode is used for receiving signals. The writable stylus as described in any one of request items 1 to 6, further comprising: A pen body housing, in which a metal probe is arranged and a third outlet is provided; The second electrode, the second electrode is a cylindrical electrode, which is provided with a first insulating ring for isolating the first electrode; the first end of the second electrode is fixed in the pen body shell, and the second ends extending from the third outlet; In the assembled state, the second end of the first electrode passes through the second electrode and is detachably installed in the clamping part of the metal probe, and the second end of the second electrode is detachably installed Inside the pen tip shell.

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