CN218471276U

CN218471276U - Capacitance pen

Info

Publication number: CN218471276U
Application number: CN202222567175.3U
Authority: CN
Inventors: 傅九根
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-09-27
Filing date: 2022-09-27
Publication date: 2023-02-10
Anticipated expiration: 2032-09-27

Abstract

The utility model provides a capacitance pen, which comprises a pen point, a pressure component connected with the pen point and a circuit board electrically connected with the pressure component; the circuit board comprises a body and an extension part connected with the body and extending along the length direction of the body; the pressure assembly comprises a connecting body sleeved on the extension part, a pressure sensor electrically connected to the body, an elastic part arranged between the pressure sensor and the connecting body and used for elastically resetting the pen point, and a top column penetrating through the elastic part; when the nib receives the extrusion, the connector compression elastic component drives the fore-set extrusion pressure sensor, and pressure sensor receives the constantly changing pressure variation signal and carries out control processing with pressure variation signal transmission to the body. The pressure signal fed back to the body through the pressure sensor is a dynamic signal, so that the handwriting displayed on the touch screen by the capacitance pen has the thickness degree matched with the difference value of the dynamic signal, and the writing experience of a user is improved.

Description

Capacitance pen

Technical Field

The utility model belongs to the technical field of electron electric capacity pen, especially, relate to an electric capacity pen.

Background

Active capacitive pens have been increasingly noticed, accepted and used by the public, and flat computers, mobile phones and other related devices have started to use active capacitive pens. The active capacitance pen is equivalent to a signal emission source, and a sensor of the touch screen receives a signal sent by the capacitance pen and calculates X and Y coordinates, so that strokes corresponding to pen point tracks are displayed on the touch pen. In order to enable the pen to sense the change of the writing force of the user, a technician thinks that a pressure sensor is added into the capacitive pen to change the thickness of the handwriting according to the change of the writing force, so as to achieve excellent user effect experience.

However, in the existing pressure sensor of the active capacitive pen, because tolerance accumulation exists among components of the sensor, in order to facilitate assembly, the pressure sensor is usually designed to have a certain idle stroke, so that when a user uses the capacitive pen, a pen point just contacts a touch screen and then retracts, the retraction stroke of the pen point is very large, the user feels that the pen point does not retract without applying pressure, and user experience is poor.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problem, the utility model provides an electric capacity pen.

The utility model discloses a following technical scheme realizes:

a capacitance pen comprises a pen point, a pressure component connected with the pen point, and a circuit board electrically connected with the pressure component; the circuit board comprises a body and an extension part connected with the body and extending along the length direction of the body;

the pressure assembly comprises a connecting body sleeved on the extension part, a pressure sensor electrically connected to the body, an elastic part arranged between the pressure sensor and the connecting body and used for elastically resetting the pen point, and a top column penetrating through the elastic part;

when the pen point is extruded, the connecting body compresses the elastic piece and drives the ejection column to extrude the pressure sensor, and the pressure sensor receives continuously changed pressure change signals and transmits the pressure change signals to the body to be controlled and processed.

Furthermore, the pressure assembly also comprises a refill sleeve which is arranged on the connecting body in a penetrating way and is sleeved on the extension part, and the pen point is sleeved on the refill sleeve and is fixed with the connecting body in a threaded way; the refill cover towards the tip of nib wears to be equipped with and is used for controlling the electric capacity pen opens and stops the trigger bullet needle, trigger bullet needle intermittent type nature with the extension electricity is connected.

Furthermore, the diameter of the pen point sleeve towards one end of the pen point is smaller than that of the pen point sleeve body, and the end of the pen point sleeve towards the pen point is provided with an assembling hole for the triggering elastic needle to be inserted and connected.

Further, the connecting body comprises a screwing part screwed with the pen tip and an abutting part connected with the screwing part; the abutting part is provided with a sliding opening matched with the body; one end of the abutting part, which is far away from the screwing part, is provided with an assembling part, the elastic part abuts against one end of the abutting part and is sleeved on the assembling part, and the assembling part is far away from one end of the abutting part and abuts against the top column intermittently.

Furthermore, one end of the body close to the extension part is provided with a first assembly hole for embedding the pressure sensor, a second assembly hole for embedding the elastic piece and a connecting hole for communicating the first assembly hole and the second assembly hole; the support pillar is arranged in the connecting hole, one end of the extending portion penetrates through the elastic piece and intermittently abuts against the assembling portion, and the other end of the extending portion abuts against the pressure sensor.

Furthermore, the contact surface of the pressure sensor is perpendicular to the horizontal plane of the body, and the end face of the top column abuts against the contact surface.

Furthermore, a power supply battery electrically connected with the body is arranged at one end of the body, which is far away from the extension part.

Further, an inductance coil used for charging the power supply battery is electrically connected to the body.

Further, one end of the body, which is far away from the extension part, is provided with a first connector; the capacitive pen further comprises a switch circuit board which is electrically connected with the body and used for controlling the capacitive pen to start and stop, a second connector which is electrically connected with the first connector is arranged on the switch circuit board, and a flexible circuit board is connected between the first connector and the second connector; and the switch circuit board is provided with a touch elastic needle.

Further, the capacitance pen comprises a shell for accommodating the pressure assembly, the power supply battery and the switch circuit board; and a magnetic part for magnetically attracting and fixing the capacitance pen and external equipment is embedded in the shell.

The beneficial effects of the utility model reside in that: drive the connector through the nib cover and drive and trigger elasticity and trigger fore-set extrusion pressure sensor to the elastic restoring force of cooperation elastic component promotes nib extrusion pressure sensor's authenticity, make the pressure signal that pressure sensor accepted be dynamic display, and then make the pressure signal that pressure sensor fed back to the body be dynamic signal, the handwriting that shows with the dynamic signal difference looks adaptation has the thickness degree with the dynamic signal difference looks adaptation on realizing the electric capacity pen touch screen, thereby promote the experience that the user wrote and feel.

Drawings

Fig. 1 is a first schematic structural diagram of a capacitance pen provided by an embodiment of the present invention;

fig. 2 is a schematic structural diagram ii of a capacitance pen provided in an embodiment of the present invention;

fig. 3 is a schematic structural diagram three of the capacitance pen provided by the embodiment of the present invention;

fig. 4 is an exploded view of a capacitance pen according to an embodiment of the present invention;

fig. 5 is an exploded view of a capacitance pen according to an embodiment of the present invention.

Reference numerals:

1. a pen point;

21. a linker; 211. a screw connection part; 212. an abutting portion; 2121. a sliding port; 2122. an assembling portion; 22. A pressure sensor; 23. an elastic member; 24. a top pillar; 25. a refill sleeve; 251. triggering the elastic needle;

31. a body; 311. a first fitting hole; 312. a second assembly hole; 313. connecting holes; 314. a first connector; 32. an extension portion; 321. an electrode;

4. a power supply battery;

5. an inductor coil;

6. a switch circuit board; 61. touching a bullet needle; 62. a second connector; 63. a flexible circuit board;

7. an upper bracket; 71. a lower bracket; 72. a magnetic member;

8. pen tube

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.

It should be noted that the terms of orientation such as left, right, up and down in the present embodiment are only relative concepts or are referred to the normal use state of the product, and should not be considered as limiting.

Referring to fig. 1 to 5, a capacitance pen includes a pen tip 1, a pressure assembly connected to the pen tip 1, and a circuit board electrically connected to the pressure assembly; the circuit board includes a body 31 and an extension 32 connected to the body 31 and extending in a length direction of the body 31, wherein the extension 32 is an electrode 321 formed by a metal taping process.

As a specific example, referring to fig. 3-5, the pressure assembly includes a connector 21 sleeved on the extension 32, a pressure sensor 22 electrically connected to the body 31, an elastic member 23 disposed between the pressure sensor 22 and the connector 21 and used for elastically restoring the pen tip 1, and a top pillar 24 disposed in the elastic member 23; the pressure assembly also comprises a pen core sleeve 25 which is arranged on the connecting body 21 in a penetrating way and is sleeved on the extension part 32, and the pen point 1 is sleeved on the pen core sleeve 25 and is fixed with the connecting body 21 in a threaded way; the end of refill cover 25 towards nib 1 wears to be equipped with the trigger bullet needle 251 that is used for controlling the electric capacity pen to open and stop, triggers bullet needle 251 intermittent type nature and is connected with the electrode 321 electricity on the extension 32, through the elastic restoring force of elastic component 23, realizes triggering bullet needle 251 and extension 32 intermittent type nature electricity and is connected, and then realizes that the electric capacity pen can be according to the pressure size that user's writing state used, and the adjustment nib 1 drives the dynamic signal that trigger bullet needle 251 triggered pressure sensor 22 produced.

When nib 1 receives the extrusion, connector 21 compression elastic component 23 and drive fore-set 24 extrusion pressure sensor 22, pressure sensor 22 receives the pressure variation signal of constantly changing and with pressure variation signal transmission to body 31 on control handle, drive connector 21 and drive trigger elasticity through nib 1 cover and trigger fore-set 24 extrusion pressure sensor 22, and the elasticity restoring force of cooperation elastic component 23, promote the authenticity of nib 1 extrusion pressure sensor 22, make the pressure signal that pressure sensor 22 accepted be dynamic display, and then make the pressure signal that pressure sensor 22 fed back to body 31 be dynamic signal, the handwriting that realizes that capacitive pen shows on the touch screen has the thickness degree with dynamic signal difference looks adaptation, thereby promote the experience sense that the user wrote.

Wherein, referring to fig. 5, the diameter of the end of the pen point 1 facing the pen point 1 is smaller than that of the pen point 1 casing body 31, and the end of the pen point 1 facing the connecting body 21 is concavely formed with a containing space (not shown in the figure) for containing the pen point 1 casing and the trigger latch 251, so that the pen point 1 casing and the trigger latch 251 are assembled to be matched with the containing space of the pen point 1; and 1 set of nib has the pilot hole that supplies to trigger bullet needle 251 and peg graft towards the one end of nib 1, triggers bullet needle 251 towards the protruding contact pin that is equipped with pilot hole interference fit of the one end of 1 set of nib, and the diameter of contact pin is less than the diameter that triggers bullet needle 251 to make trigger bullet needle 251 assembly on the tip of 1 set of nib when 1 is sheathe in, pressure signal when writing with better transmission user.

When the capacitive pen is in the initial state, the elastic element 23 is in the extended state, so that the pressure dynamic signal of the pen point 1 is the lowest value, and only when the capacitive pen is squeezed, the elastic element 23 adjusts the dynamic signal generated by the pen point 1 to drive the trigger elastic needle 251 to trigger the pressure sensor 22 according to the pressure used in the writing state of the user.

As an embodiment, referring to fig. 5, one end of the body 31 near the extension portion 32 is opened with a first fitting hole 311 for the insertion of the pressure sensor 22, a second fitting hole 312 for the insertion of the elastic member 23, and a connection hole 313 for communicating the first fitting hole 311 and the second fitting hole 312; the connecting body 21 includes a screw-coupling portion 211 to be screw-coupled with the pen tip 1, and an abutting portion 212 to be connected with the screw-coupling portion 211; the abutting part 212 is provided with a sliding opening 2121 matched with the body 31, and the connecting part can slide along the length direction of the extending part 32 under the action of the elastic force of the elastic piece 23 through the sliding opening 2121; the abutting part 212 is provided with a mounting part 2122 at one end far away from the screw part 211, the elastic piece 23 abuts against one end of the abutting part 212 to be sleeved on the mounting part 2122, and one end of the mounting part 2122 far away from the abutting part 212 intermittently abuts against the top column 24; the top pillar 24 is disposed in the connection hole 313, and one end of the top pillar 24 facing the extension portion 32 is inserted with the elastic member 23 and intermittently abuts against the mounting portion 2122, and the other end abuts against the pressure sensor 22.

The contact surface of the pressure sensor 22 is perpendicular to the horizontal plane of the body 31, so that the end surface of the top pillar 24 is directly abutted to the contact surface, and the pressure sensor 22 can receive pressure signals better, wherein the end surface of the top pillar 24 is abutted to the central position of the pressure sensor 22, and the pressure received by the pressure sensor 22 is more uniform.

As a specific embodiment, referring to fig. 3-5, the capacitive pen further includes a power supply battery 4 electrically connected to the body 31, an inductance coil 5 electrically connected to the body 31 for charging the power supply battery 4, and a switch circuit board 6 electrically connected to the body 31 for controlling the capacitive pen to start and stop, the power supply battery 4 being disposed at an end of the body 31 away from the extension portion 32; the switch circuit board 6 is provided with a touch elastic needle 61, the body 31 and the switch circuit board 6 are electrically connected through a first connector 314 respectively arranged on the body 31 and a second connector 62 arranged on the switch circuit board 6, and a flexible circuit board 63 is electrically connected between the first connector 314 and the second connector 62; the user starts and stops the capacitive pen by touching the area of the capacitive pen corresponding to the touch elastic body 61.

As a specific embodiment, referring to fig. 1-4, the capacitive pen further comprises a housing for housing the pressure assembly, the power supply battery 4, and the switch circuit board 6; the shell comprises an upper bracket 7 and a lower bracket 71 which is spliced with the upper bracket 7 and forms an accommodating cavity; the upper bracket 7 is embedded with two magnetic parts 72 for magnetically attracting and fixing the capacitance pen and external equipment, wherein the two magnetic parts 72 are respectively arranged at two ends of the inductance coil 5, so that the magnetic attraction force of the capacitance pen is distributed more uniformly, and the capacitance pen is fixed with the external equipment more firmly; the housing further comprises a barrel 8 for mounting the upper and

lower brackets

7, 71 to protect the internal components of the capacitance pen within the barrel 8.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the present invention.

Claims

1. A capacitance pen is characterized in that: the pen comprises a pen point, a pressure component connected with the pen point, and a circuit board electrically connected with the pressure component; the circuit board comprises a body and an extension part connected with the body and extending along the length direction of the body;

2. The capacitive stylus of claim 1, wherein: the pressure assembly also comprises a pen core sleeve which is arranged on the connecting body in a penetrating way and is sleeved on the extending part, and the pen point is sleeved on the pen core sleeve and is fixed with the connecting body in a threaded way; the refill cover towards the tip of nib wears to be equipped with and is used for controlling the electric capacity pen opens and stops the trigger bullet needle, trigger bullet needle intermittent type nature with the extension electricity is connected.

3. The capacitive stylus of claim 2, wherein: the nib cover orientation the diameter of the one end of nib is less than the diameter of nib cover body, just the nib cover orientation the one end of nib has the confession the pilot hole that triggers the bullet needle and peg graft.

4. A capacitance stylus according to claim 3, wherein: the connecting body comprises a screwing part screwed with the pen point and an abutting part connected with the screwing part; the abutting part is provided with a sliding opening matched with the body; the butt joint portion is kept away from the one end of screw thread portion is equipped with assembly portion, the elastic component butt in one end on the butt joint portion cup joints on the assembly portion, just assembly portion is kept away from the one end intermittent type nature butt of butt joint portion in on the fore-set.

5. The capacitive stylus of claim 4, wherein: one end of the body, which is close to the extension part, is provided with a first assembling hole for embedding the pressure sensor, a second assembling hole for embedding the elastic part and a connecting hole for communicating the first assembling hole and the second assembling hole; the support pillar is arranged in the connecting hole, one end of the extending portion penetrates through the elastic piece and is in intermittent abutting connection with the assembling portion, and the other end of the extending portion abuts against the pressure sensor.

6. The capacitive stylus of claim 5, wherein: the contact surface of the pressure sensor is perpendicular to the horizontal plane of the body, and the end face of the support pillar abuts against the contact surface.

7. The capacitive stylus of claim 6, wherein: and a power supply battery electrically connected with the body is arranged at one end of the body, which is far away from the extension part.

8. The capacitive stylus of claim 7, wherein: and the body is electrically connected with an inductance coil used for charging the power supply battery.

9. A capacitive stylus according to claim 8, wherein: one end of the body, which is far away from the extension part, is provided with a first connector; the capacitive pen further comprises a switch circuit board which is electrically connected with the body and used for controlling the capacitive pen to start and stop, a second connector which is electrically connected with the first connector is arranged on the switch circuit board, and a flexible circuit board is connected between the first connector and the second connector; and a touch control elastic needle is arranged on the switch circuit board.

10. A capacitive stylus according to claim 9, wherein: the capacitance pen comprises a shell for accommodating the pressure component, the power supply battery and the switch circuit board; and a magnetic part for magnetically attracting and fixing the capacitance pen and external equipment is embedded in the shell.