CN203838657U - Active stylus and its tip assembly - Google Patents

Abstract

The utility model relates to an active touch control pen and a pen point component thereof, wherein the pen point component comprises an electrode, an insulating pen point, a transmission piece and a conductive clamping piece; the insulating pen point covers the electrode, and one end of the electrode extends out of the insulating pen point; the transmission piece is sleeved outside the insulating pen point; the conductive clamping piece penetrates through the transmission piece, one end of the conductive clamping piece extends out of the transmission piece, and the conductive clamping piece clamps the electrode and is electrically connected with the electrode. Because the insulating pen point and the electrode are clamped by the conductive clamping piece to be fixed in the transmission piece, the insulating pen point and the electrode can be easily pulled out and combined, and can be easily replaced when the insulating pen point or the electrode is damaged.

Description

Active stylus and its tip assembly

technical field

The utility model relates to an active touch pen and its nib assembly, in particular to an active touch pen with a replaceable nib and its nib assembly.

Background technique

Among the consumer electronic products on the market, electronic products with touch panels are becoming more and more common. Among the existing touch panels, one of them is a capacitive touch panel, which utilizes the conductive and static characteristics of the human body. When the user touches the touch area of the touch panel, the capacitance value of the position touched by the user will change, and the touch panel can determine the position selected by the user according to the position of the changed capacitance value, so as to achieve touch control. the goal of.

However, when a general user uses a finger to write or click on an object on the touch panel, the touch panel cannot accurately identify the exact position because the range of the finger contact is too large. Therefore, there is a passive stylus. The nib and the touch panel have a small contact area to improve the recognition accuracy of the touch panel, and the passive stylus has conductive properties, so that the static electricity of the human body can be transmitted to the touch panel through the stylus, To change the capacitance value of the touch panel, so that the touch panel can be controlled instead of human contact.

However, in the prior art, another active stylus is further designed, which utilizes electrodes to transmit wireless driving signals and control signals. The panel receives the driving signal, confirms the tip position of the active stylus according to the emission point of the driving signal, and uses the pressure sensing unit to sense, and sends out control when the tip of the active stylus touches the touch panel The signal is used to make the touch panel know that the active stylus has been touched, so as to achieve the purpose of touch. However, the electrodes of the active stylus in the prior art are fixedly welded to the nib of the active stylus to be further electrically connected to the circuit board in the active stylus to obtain the drive signal and control Signal. There is a drive circuit on the circuit board. When the tip of the active stylus touches the touch panel, the pressure sensing unit will sense the pressure generated by the contact and drive the drive circuit on the circuit board to generate the control signal , and emit to the touch panel through the electrode.

However, the nib and electrodes of the active stylus in the prior art will be bent or broken due to long-term use and pressure. Once the nib and electrodes are bent or broken, the active stylus cannot continue to work. Normal and accurate transmission of wireless signals to the touch panel. Once the tip and electrodes are bent or broken, the entire active stylus must be replaced. In this way, it is necessary to spend more money on the purchase of new active stylus Pen, so the active stylus of the prior art must be further improved.

Utility model content

In order to solve the problem in the prior art that the nib and electrode of the active stylus are broken or bent due to long-term use and pressure, the main purpose of this utility model is to provide an active stylus and its nib assembly, when When the tip and electrode are broken or bent, the tip and electrode can be replaced directly without repurchasing the entire active stylus.

In order to achieve the above object, the technical means adopted in the utility model is to make the nib assembly of the active stylus include:

an electrode;

an insulating nib, which covers the electrode, and one end of the electrode extends out of the insulating nib;

a transmission part, which is sleeved on the outside of the insulating nib; and

A conductive clamping part is passed through the transmission part and one end extends out of the transmission part, and holds the electrode and is electrically connected with the electrode.

Preferably, the insulating tip further has a connection end and a touch end, the connection end is hollow to accommodate and cover one end of the electrode, and the other end of the electrode extends out of the connection end.

Preferably, the outer wall surface of the connecting end of the insulating nib further includes at least one flange.

Preferably, the transmission member further has an accommodating end and a transmission end, the accommodating end is hollow to have an accommodating space, the accommodating space has an opening and at least one perforation, and the connecting end of the insulating pen passes through The opening is sleeved by the accommodating space.

Preferably, the transmission part further includes a conductive ring, the conductive ring is sleeved on the outside of the transmission part, and aligned with the conductive clamping part, so as to be electrically connected with the conductive clamping part.

Preferably, the conductive clamping member passes through the accommodating space of the transmission member, and has a clamping portion and a connecting portion, the clamping portion clamps one end of the electrode extending from the insulating tip, and the connecting portion The part extends out of the perforation of the accommodating space of the transmission member.

Preferably, the conductive clip is a C-shaped buckle or a metal sheet with two barbs inside.

The insulating nib and the electrode are clamped by the conductive clamping part, and are not fixed or welded. In this way, the insulating nib and the electrode can be easily replaced by pulling out and inserting the conductive clamping part.

In addition, in order to achieve the above purpose, the utility model also adopts another technical means, which is to make the active stylus include a pen tube, a drive circuit board arranged in the pen tube, and a drive circuit board electrically connected to the pen tube. A pressure sensing element, a battery pack and a nib assembly arranged in the pen tube, characterized in that the nib assembly includes:

an electrode;

an insulating nib, one end of which extends out of the pen tube and covers the electrode, and one end of the electrode extends out of the other end of the insulating nib;

a transmission part, which is sheathed outside the insulating nib and connected to the pressure sensing element at one end; and

A conductive clamping part is passed through the transmission part and one end extends out of the transmission part, and holds the electrode and is electrically connected with the electrode.

Preferably, the insulating tip of the tip assembly further has a connection end and a touch end, the connection end is hollow to accommodate and cover one end of the electrode, and the other end of the electrode extends out of the connection end.

Preferably, the outer wall surface of the connecting end of the insulating nib further includes at least one flange.

Preferably, the transmission member of the nib assembly further has an accommodating end and a driving end, the accommodating end is hollow to have an accommodating space, the accommodating space has an opening and at least one perforation, the connection of the insulating nib The end passes through the opening and is sleeved by the accommodating space.

Preferably, the nib assembly further includes a conduction spring, the conduction spring is sleeved outside the transmission part of the nib assembly, and one end thereof is electrically connected to the conductive clip of the nib assembly, and the other end is electrically connected to the driving circuit board .

Preferably, the conductive clamping part of the nib assembly is disposed in the accommodating space of the transmission part, and has a clamping part and a connecting part, and the clamping part clamps one end of the electrode extending from the insulating nib , the connecting portion extends out of the through hole of the accommodating space of the transmission member, so as to be electrically connected with the conductive spring.

Preferably, the nib assembly further includes a conductive ring, the conductive ring is sleeved on the outside of the transmission member and aligned with the conductive clamping member to be electrically connected to the conductive clamping member and welded to the conductive spring.

Preferably, the conductive clip is a C-shaped buckle or a metal sheet with two barbs inside.

Preferably, the pen tube is made of metal material.

Preferably, a metal layer is provided on the inner wall of the pen tube facing the pen tip assembly.

The beneficial effect of the utility model is that: one end of the conductive clamping part of the nib assembly extending out of the transmission part is electrically connected with the circuit board. When using the active stylus of the present utility model, the drive circuit board obtains electric energy from the battery pack, and the drive circuit board receives electric energy and emits a drive signal, and the drive signal is transmitted to the The electrode is emitted by the electrode. When a touch panel receives the driving signal sent by the electrode, it can know the position of the pen head of the active stylus according to the sending point of the driving signal. When the touch end of the insulating nib is in contact with the touch panel, the pressure generated when the insulating nib is in contact with the touch panel is transmitted to the pressure sensing element through the transmission member. When the pressure change is sensed, a pressure signal is sent to the drive circuit board to know that the active stylus has selected the touch panel, and the drive circuit then sends a control signal, and passes through the same path. The electrodes are transmitted to the touch panel, so that the touch panel knows that the active stylus touches the touch panel, so as to achieve the purpose of touch.

And when the nib and electrode of the active stylus are broken or bent due to long-term use or accidents, you only need to buy new insulating nibs and electrodes, and remove the broken insulating nib and electrodes from the active stylus. Pull out the tip of the pen, and insert a new tip and electrode into the tip, insert the electrode into the conductive holder, and make the electrode be clamped by the conductive holder to be further electrically connected to the drive in the active stylus The circuit board is used to obtain the drive signal and control signal. Therefore, when the tip and electrode of the utility model are broken or bent, there is no need to buy a whole new active stylus, only need to replace the tip and electrode, and the pen can continue to be used, so as to save maintenance costs.

Description of drawings

Fig. 1 is a three-dimensional appearance view of a preferred embodiment of the present invention.

Fig. 2 is an exploded view of components of a preferred embodiment of the present invention.

Fig. 3 is a sectional view of the nib part of the preferred embodiment of the present invention.

Fig. 4 is a three-dimensional appearance view of some components of a preferred embodiment of the present invention.

Symbol Description:

10 Pen barrel 11 Pen head

12 pen tail

20 nib assembly

21 electrodes

22 Insulated tip 221 Connecting end

222 Touch terminal 223 Flange

23 transmission part 231 opening

232 Perforation 233 Accommodating end

234 drive end

24 Conductive clamping piece 241 Clamping part

242 connection part

25 conductive ring

26 auxiliary spring

30 drive circuit board

40 pressure sensing element

50 conduction spring

60 battery pack.

Detailed ways

The technical means adopted by the utility model to achieve the intended purpose will be further elaborated below in conjunction with the accompanying drawings and preferred embodiments of the utility model.

1 and 2, the active stylus of the present invention includes a tube 10, a tip assembly 20, a driving circuit board 30, a pressure sensing element 40, a conductive spring 50 and a battery Group 60. Only the structural composition of these elements will be further described in detail below.

First please refer to Fig. 1 and Fig. 2 at the same time, the above-mentioned pen tube 10 is hollow, and in this preferred embodiment, the pen tube 10 is composed of a detachable pen head 11 and a pen tail 12. .

Please refer to FIG. 1 to FIG. 3 , the nib assembly 20 is disposed in the nib head 11 and has an electrode 21 , an insulating nib 22 , a transmission element 23 and a conductive clamping element 24 . The insulating tip 22 has a connection end 221 and a touch end 222, the connection end 221 is hollow to accommodate and cover one end of the electrode 21, and the other end of the electrode 21 extends out of the connection end 221, and the The touch end 222 is disposed outside the pen head 11 of the pen barrel 10 . The transmission member 23 has an accommodating end 233 and a transmission end 234 , the accommodating end 233 is hollow to have an accommodating space, and the accommodating space has at least one opening 231 and at least one through hole 232 . The conductive clip 24 is fixed in the accommodating space away from the at least one opening 231 , and has a clipping portion 241 and a connecting portion 242 . When the connecting end 221 of the insulating nib 22 and one end of the protruding electrode 21 are inserted into the opening 231 of the accommodating end 233, the connecting end 221 will be tightly fitted in the accommodating space, and the protruding end of the electrode 21 will follow the trend. The clip portion 241 of the conductive clip 24 is inserted to be electrically connected to the electrode 21 . The connecting portion 242 passes through the through hole 232 of the accommodating space. In this preferred embodiment, the accommodating space has an opening 231 and two through holes 232, and the two through holes 232 are arranged on opposite sides of the accommodating space, and the opening 231 is arranged on the two through holes. 232 on the adjacent side.

The driving circuit board 30 is disposed in the pen barrel 10 . The pressure sensing element 40 is disposed in the nib head 11 , connected to the driving end 234 of the driving member 23 of the nib assembly 20 , and electrically connected to the driving circuit board 30 . One end of the conductive spring 50 is sleeved outside the accommodating end 233 of the transmission member 23, and is electrically connected with the conductive clamping member 24 of the nib assembly 20, and the other end extends to the driving circuit board 30, and is fixed on the driving circuit board 30. The circuit board 30 is electrically connected thereto. The battery pack 60 is disposed in the pen tail 12 and electrically connected to the driving circuit board 30 to provide its electric power.

The above is a detailed structural description of a preferred embodiment of the active stylus of the present invention. The following will only further refer to FIG. 3 and FIG. 4 to illustrate the use of the active stylus and the relative structure and action relationship.

Since the utility model is an active stylus, when the driving circuit board 30 obtains electric energy, it can output a driving signal, and the driving signal is transmitted to the electrode 21 through the conductive spring 50 and the conductive clamping member 24 , and the electrode 21 wirelessly transmits the driving signal, so that a touch panel can receive the driving signal, and obtain the position of the tip of the active stylus according to the position where the driving signal is received. When the touch end 222 of the insulating tip 22 is in contact with the touch panel, the pressure generated when the insulating tip 22 is in contact with the touch panel is transmitted to the pressure sensing element 40 through the transmission member 23. The transmission end 234 of the transmission member 23 is in contact with the pressure sensing element 40, and the insulating nib 22 is clamped on the accommodating end 233 of the transmission member 23, so the pressure generated when the insulating nib 22 touches the touch panel is reduced. It can be transmitted to the pressure sensing element 40 through the transmission member 23 . When the pressure sensing element 40 senses pressure changes, it sends a pressure signal to the drive circuit board 30 to know that the active stylus has selected the touch panel, and sends a control signal, and through The same path is transmitted to the electrode 21 by the conductive spring 50 and the conductive clamping member 24, and the electrode 21 can wirelessly transmit the control signal to the touch panel, so that the touch panel knows the active The insulating tip 22 of the stylus has clicked the touch panel to achieve the purpose of touch.

And when the active touch pen of the present utility model is used for a long time to cause the insulating tip 22 and the electrode 21 to bend or break, because the insulating tip 22 and the electrode 21 are inserted into the accommodating end 233 of the transmission member 23 together, Therefore, the damaged insulating tip 22 can be pulled out from the opening 231 of the accommodating end 233 together with the electrode 21, and a new insulating tip 22 and electrode 21 can be inserted into the clamping portion 241 of the conductive clamping member 24. Replace new insulating tip 22 and electrode 21.

In addition to the above-mentioned main components, the active touch pen of the present invention further includes other structural designs. Please continue to refer to FIG. 3 and FIG. 4 , the nib assembly 20 further includes a conductive ring 25 and an auxiliary spring 26 . The conductive ring 25 is sheathed outside the accommodating end 233 of the transmission member 23 and aligned with the through hole 232 , so that its inner wall is electrically connected to the connecting portion 242 of the conductive clamping member 24 passing through the through hole 232 . The outer wall of the conductive ring 25 is welded to the conductive spring 50 . The auxiliary spring 26 is sleeved outside the transmission end 234 of the transmission member 23 and connected to an end of the conduction spring 50 sleeved outside the receiving end 233 . In this preferred embodiment, the inner side of the conductive clamp 24 has two barbs or two metal elastic pieces to form the clamping portion 241 of the conductive clamp 24 for clamping and electrically connecting the electrodes. 21, and the outer side passes through the perforation 232 and contacts with the conductive ring 25 for conducting signals; further, the conductive clamp 24 can be a C-shaped buckle, wherein the opening of the C-shaped buckle forms the conductive The clamping part 241 of the clamping part 24 passes through the through hole 232 on both sides adjacent to the opening to form the connecting part 242 of the conductive clamping part 24 , but not limited to the C-shaped buckle.

Through the arrangement of the conductive ring 25, one end of the conductive spring 50 is welded on the outside of the conductive ring 25, so that the conductive spring 50 can be electrically connected to the conductive ring 25 stably, and the conductive ring 25 is sleeved on the transmission member 23, and align with the through hole 232, as shown in FIG. In this way, the signal is transmitted from the driving circuit board 30 to the conductive spring 50, the conductive ring 25 and the conductive clamping member 24, and further transmitted to the electrode 21, so that the electrode 21 can receive the signal transmitted from the driving circuit board 30. The driving signal and the control signal are sent out, and the driving signal and the control signal are sent out through wireless transmission.

In addition, the outer wall of the connecting end 221 of the insulating nib 22 further has at least one flange 223 , so that the inner wall of the accommodating end 233 of the transmission member 23 can be tightly fitted into the connecting end 221 of the insulating nib 22 more firmly. The inner wall of the nib head 11 of the pen barrel 10 is further provided with a metal layer to cover the nib assembly. In this preferred embodiment, the pen tube 10 is made of a metal material, or the pen head 11 can also be a metal pen head, so that the inner wall of the pen head 11 does not need to be provided with the metal layer.

Through the arrangement of the metal layer, the wireless signal sent by the electrode 21 will not diverge arbitrarily, because the metal layer or the metal nib forms a wireless signal shield, except that the electrode 21 penetrates the insulating nib 22 and is exposed to the pen tube 10 At one end of the electrode 21, the wireless signals sent from other positions of the electrode 21 will be shielded by the metal layer, so that the signals will not diverge arbitrarily, so that the touch panel cannot accurately determine the position of the pen tip. In this way, only part of the electrodes 21 leaking out of the pen tube 10 can transmit signals to the touch panel, which can improve the accuracy of the touch panel in identifying the position of the pen tip.

When the insulating tip 22 and the electrode 21 of the active stylus are broken or bent after long-term use or accidents, you only need to buy a new insulating tip 22 and the electrode 21, and replace the broken insulating tip 22 and the electrode 21 Pull out from the tip of the active stylus, and then insert a new insulating tip 22 and electrode 21 into the tip, so that the electrode 21 is inserted into the clamping portion 241 of the conductive clamping member 24. When the electrode 21 is clamped on the In the conductive clamp 24, that is, it can be electrically connected to the driving circuit board 30 in the active stylus to obtain the emission signal, and the outer wall surface of the connecting end of the insulating pen tip 22 has the flange 223, so that the insulating pen tip 22 The connecting end 221 of the transmission member 23 can be clipped more firmly to the accommodating end 233 of the transmission member 23 . Therefore, when the tip and the electrode of the utility model are broken or bent, there is no need to buy a whole new active stylus, only the tip and the electrode need to be replaced, and the pen can continue to be used.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model in any form. Although the preferred embodiments of the utility model have been disclosed above, they are not intended to limit the utility model, and any associated technology Those who have ordinary knowledge in the field, without departing from the scope of the technical solution of the present utility model, can use the technical content disclosed above to make some changes or modify equivalent embodiments with equivalent changes, but all without departing from the technical solutions of the present utility model The content of the scheme, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the utility model still belong to the scope of the technical solution of the utility model.

Claims (17)

1. A nib assembly of an active stylus, characterized in that it comprises: an electrode; An insulating nib, which covers the electrode, and one end of the electrode extends out of the insulating nib; A transmission part, which is sleeved on the outside of the insulating nib; and A conductive clamping part is passed through the transmission part and one end extends out of the transmission part, and holds the electrode and is electrically connected with the electrode. the 2. The nib assembly of the active stylus according to claim 1, wherein the insulating nib further has a connection end and a touch end, and the connection end is hollow to accommodate and cover the electrode. One end and the other end of the electrode extend out of the connecting end. the 3 . The nib assembly of the active stylus according to claim 2 , wherein the outer wall of the connecting end of the insulating nib further includes at least one flange. 4 . the 4. The nib assembly of an active stylus according to claim 2, wherein the transmission member further has a receiving end and a driving end, the receiving end is hollow to have a receiving space, the The accommodating space has an opening and at least one perforation, the connecting end of the insulating nib passes through the opening and is sheathed in the accommodating space. the 5. The tip assembly of an active stylus according to claim 4, wherein the transmission member further comprises a conductive ring, and the conductive ring is sleeved outside the transmission member and aligned with the conductive clamping member , so as to be electrically connected with the conductive clip. the 6. The nib assembly of an active stylus according to claim 4, wherein the conductive clamping part is disposed in the accommodating space of the transmission part, and has a clamping part and a connecting part, The clamping part clamps one end of the electrode extending from the insulating tip, and the connecting part extends out of the through hole of the accommodating space of the transmission part. the 7 . The nib assembly of the active stylus according to claim 6 , wherein the conductive holding member is a C-shaped buckle or a metal sheet with two barbs inside. the 8. An active stylus, which includes a pen tube, a driving circuit board arranged in the pen tube and a pressure sensing element electrically connected with the driving circuit board, a battery pack and a The nib assembly in the tube is characterized in that the nib assembly includes: an electrode; An insulating nib, one end of which extends out of the pen tube and covers the electrode, and one end of the electrode extends out of the other end of the insulating nib; A transmission part, which is sleeved outside the insulating nib and connected to the pressure sensing element at one end; and A conductive clamping part is passed through the transmission part, and one end extends out of the transmission part and is electrically connected with the circuit board, and clamps the electrode and is electrically connected with the electrode. the 9. The active stylus according to claim 8, wherein the insulating tip of the tip assembly further has a connection end and a touch end, the connection end is hollow to accommodate and cover the electrode One end and the other end of the electrode extend out of the connecting end. the 10 . The nib assembly of the active stylus according to claim 8 , wherein the outer wall of the connecting end of the insulating nib further includes at least one flange. 11 . the 11. The nib assembly of an active stylus according to claim 9, wherein the transmission part of the nib assembly further has an accommodating end and a driving end, and the accommodating end is hollow to have an accommodating Space, the accommodating space has an opening and at least one perforation, the connecting end of the insulating nib passes through the opening and is sheathed in the accommodating space. the 12. The active stylus according to claim 8, wherein the pen head assembly further comprises a conduction spring, the conduction spring is sleeved outside the transmission part of the pen head assembly, and one end of the conduction spring is connected to the pen head assembly The conductive clip is electrically connected, and the other end is electrically connected to the driving circuit board. the 13. The active stylus according to claim 12, characterized in that, the conductive clamping part of the pen tip assembly is installed in the accommodating space of the transmission part, and has a clamping part and a connecting part, The clamping part clamps one end of the electrode extending from the insulating tip, and the connecting part extends out of the through hole of the accommodating space of the transmission part, so as to be electrically connected with the conductive spring. the 14. The active stylus according to claim 12, wherein the pen head assembly further comprises a conductive ring, the conductive ring is sleeved on the outside of the transmission part and aligned with the conductive clamping part so as to be compatible with The conductive clip is electrically connected and welded with the conductive spring. the 15 . The active stylus according to claim 8 , wherein the conductive holding member is a C-shaped buckle or a metal sheet with two barbs inside. the 16. The active touch pen according to claim 8, wherein the pen tube is made of metal material. the 17 . The active stylus according to claim 16 , wherein a metal layer is disposed on the inner wall of the pen tube facing the tip assembly. 18 . the