CN210270828U - Capacitance pen - Google Patents

Abstract

The utility model discloses an electric capacity pen, include: the pen tube and the antenna assembly comprise a pen point, and an antenna body, an antenna base and an insulating sleeve which are arranged inside the pen tube; the antenna body is sleeved with an insulating sleeve, and the rear end of the antenna body is connected with the antenna base; the front end of the antenna body is connected with the tail end of the pen point, and the front end of the pen point penetrates out of the front end of the pen tube. The utility model provides an electric capacity pen has improved the antenna design of current electric capacity pen, under the not influenced prerequisite of guarantee antenna signal, has solved the problem of manufacturing and equipment difficulty.

Description

Capacitance pen

Technical Field

The utility model belongs to the technical field of the electric capacity pen and specifically relates to an electric capacity pen.

Background

With the continuous development of the capacitive touch screen technology, the capacitive pen is used as an auxiliary device matched with the capacitive touch screen, the writing fluency and the use experience are also continuously improved, and the mainstream product of the capacitive pen is gradually transited from the passive capacitive pen to the active capacitive pen.

However, no matter the capacitive stylus is passive or active, the antenna assembly part of the capacitive stylus is used as an important part for data interaction between the capacitive stylus and the touch screen, and can directly influence the receiving and sending of signals and indirectly influence the precision and fluency of writing; meanwhile, in a narrow space of the pen body, how to manufacture and assemble the pen body conveniently in production is achieved, and the receiving and sending of signals are not affected, so that the problem to be solved is urgently needed.

The antenna part of the existing capacitance pen usually comprises a spring, an elastic sheet and a positioning block, and the manufacturing and assembling processes based on the spring, the elastic sheet and the positioning block are complicated and complicated, so that the production efficiency is influenced and the production cost is increased; the assembly mode among the spring, the elastic sheet and the positioning block enables the antenna signal to be influenced in the use process of the capacitance pen.

SUMMERY OF THE UTILITY MODEL

For overcoming prior art's shortcoming, the utility model provides an electric capacity pen has improved the antenna design of current electric capacity pen, under the unaffected prerequisite of guarantee antenna signal, has solved the problem of manufacturing and equipment difficulty.

A capacitance stylus, comprising: the pen tube and the antenna assembly comprise a pen point, and an antenna body, an antenna base and an insulating sleeve which are arranged inside the pen tube; the antenna body is sleeved with an insulating sleeve, and the rear end of the antenna body is connected with the antenna base; the front end of the antenna body is connected with the tail end of the pen point, and the front end of the pen point penetrates out of the front end of the pen tube.

Optionally, the nib is formed by integrally molding fibers and metal.

Optionally, a cone of synthetic fibre material is provided on the front end of the nib.

Optionally, the antenna body is a metal long tube.

Optionally, the front end of the antenna body is provided with an internal thread and is in threaded connection with the tail end of the pen point; the rear end of the antenna body is provided with external threads and is in threaded connection with the antenna base.

Optionally, the capacitive pen further comprises a metal pen point, and the metal pen point is in threaded connection with the front end of the pen tube; the metal pen point is provided with a through hole, and the front end of the pen point penetrates out of the through hole.

Optionally, the pen tube further includes a PCB board, and the antenna base is fixed on the PCB board.

Optionally, a hall switch is arranged on the PCB, and the hall switch is used for triggering the capacitive pen to be turned on or off.

Optionally, a wireless charging module is further arranged on the PCB.

Optionally, an LED indicator is further disposed on the PCB.

The utility model provides a capacitance pen, the antenna assembly of which comprises a pen point, an antenna body arranged in the pen tube, an antenna base and an insulating sleeve; the antenna body is sleeved with an insulating sleeve, and the rear end of the antenna body is connected with the antenna base; the front end of the antenna body is connected with the tail end of the pen point, and the front end of the pen point penetrates out of the front end of the pen tube. The antenna body is used as a signal transmission pipeline; the pen point and the capacitive screen form electric signal coupling; the antenna base can be used for fixing the antenna body and also used as a signal transmission pipeline; the insulating sleeve is used for preventing the short circuit, namely, divide into nib, antenna body, antenna base and insulating sleeve four parts with the antenna module, every part undertakes the partial function of electric capacity pen antenna separately to utilize the shape of four self, and form the different configuration mode with traditional electric capacity pen antenna in the inside relation of connection of pen tube each other, make under the not influenced circumstances of guarantee electric capacity pen antenna signal, the manufacturing and the equipment on the production of being convenient for more, greatly reduced manufacturing cost and improvement production efficiency.

Drawings

Fig. 1 is an exploded view of an internal structure of a capacitance pen according to an embodiment of the present invention;

fig. 2 is an exploded view of the whole structure of the capacitance pen according to the embodiment of the present invention;

fig. 3 is a perspective view of a capacitance pen according to an embodiment of the present invention;

the reference numbers in the drawings of the specification are as follows:

1. a pen point; 11. a cone; 12. a nib thread; 2. an insulating sleeve; 3. an antenna body; 31. an internal thread; 32. an external thread; 4. an antenna base; 41. antenna base threads; 5. a PCB board; 51. a Hall switch; 52. a magnet; 53. an LED indicator light; 6. a wireless charging coil; 7. a pen tube; 8. a pen point; 81. the pen point is provided with a through hole.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

A capacitance pen is shown in figures 1 to 3, wherein a pen tip (1), an antenna body (3), an antenna base (4) and an insulating sleeve (2) form an antenna component of the capacitance pen. Specifically, the pen tip is used for forming coupling of an electrical signal with a capacitive touch screen, such as a smart phone, a tablet computer smart terminal device and the like. Preferably, the pen point is integrally formed by fiber and metal, so that the pen point is convenient to assemble with the antenna body. The front end of the pen point is provided with a cone (11) made of synthetic fiber materials such as terylene, chinlon, acrylon, polyvinyl alcohol fiber, spandex, polyolefin stretch yarn and the like, so that the cone plays a role in protecting the capacitive screen from being scratched when the cone is frequently contacted with the capacitive screen.

The antenna body is used as a signal transmission pipeline, and a metal long pipe is preferably adopted; and an insulating sleeve is sleeved on the antenna body, so that short circuit can be avoided. The front end of the antenna body is provided with internal threads (31) and is connected with the tail end threads (12) of the pen point; the rear end of the antenna body is provided with an external thread (32) and is connected with an antenna base thread (41), namely, the antenna body, the antenna base and the pen point are connected into a whole through the thread, so that the antenna part is more stable in the writing process of the capacitance pen, the receiving and sending of antenna signals can be ensured not to be influenced, the antenna part is convenient to directly position during production and assembly, and the production efficiency is improved; simultaneously, because nib and antenna body are through threaded connection, consequently in the use, if the nib damages, the user only need with the nib follow antenna body back-out, can be convenient change by oneself.

Furthermore, the capacitance pen also comprises a metal pen point (8), and the metal pen point is in threaded connection with the front end of the pen tube; the metal pen point is provided with a through hole, and the front end of the pen point penetrates out of the through hole (81). Wherein, the conductivity of antenna module can be strengthened to the metal nib, and simultaneously, the through-hole in the metal nib aligns with the antenna body in the pen tube, forms concentric structure, penetrates from the through-hole when the front end of nib, can fix a position the nib fast and be connected with the antenna body.

The distance from the top end of a pen point of a traditional capacitance pen to a Circuit Board (namely Printed Circuit Board (PCB)) is longer and ranges from 20mm to 50mm, and antenna components are relatively scattered (including a spring, an elastic sheet, a positioning block and the like), so that the pen point is easy to deviate from a core in the assembling process, secondary hand feeling (slight rebound of the pen point) can occur during writing on a capacitance screen, and the writing effect is influenced; and it is corresponding with it, the utility model discloses an optimize integration to the antenna module for the nib, the antenna body, the antenna pedestal and the partial function of the electric capacity pen antenna of duties separately of insulation support, pass through the helicitic texture connection again each other, the stability of antenna module has been strengthened, constitute integrative back at four, convenient assembly mounting is in the space of the narrow and small pen tube of electric capacity pen, be convenient for manufacturing and equipment in the production, do benefit to the user and maintain and change by oneself, can also make the design of electric capacity pen body more succinct, and simultaneously, the secondary problem of feeling when also having solved the nib inclined to the heart and writing.

In addition, the capacitance pen further comprises a pen tube (7), a PCB (5), a Hall switch (51) and a magnet (52).

The pen tube is cylindrical, compared with the pen tube of a traditional capacitance pen, the charging interface is removed from the pen tube, and the built-in wireless charging coil (6) is used instead. The pen tube with the charging interface removed improves the dustproof and waterproof characteristics of the capacitance pen, and meanwhile, the diversified design of the pen tube is possible.

The pen tube is made of heat dissipation plastic materials, so that heat dissipation of the pen body in the charging process is facilitated; simultaneously, the processing characteristic and the variety of plastic compare traditional metal pen body and possess cost advantage and expansion space more, for example, can carry out the selection of the variety of UV or rubber oil on the pen tube surface, also can carry out various surface treatment such as electroplating, heat-transfer seal, water paste, UV rendition. Wherein UV refers to a means of curing a coating or paint by means of Ultraviolet light, ultra violet, i.e. Ultraviolet light.

The PCB board can be fixed inside the pen tube through a support or a magnet, an antenna base is fixed at the front end of the PCB board, and circuit modules for achieving the electrical function of the capacitance pen are distributed on the PCB board.

Hall switch, it is a switch electricity distribution device who has characteristics such as contactless, low-power consumption, long life, response frequency height, be used for triggering opening or closing of electric capacity pen, promptly, Hall switch and the circuit connection on the PCB board, electric capacity pen opens or closes through Hall switch control, based on this, electric capacity pen can arrange in the pen box that uses with it in coordination, when taking out or putting into electric capacity pen from the pen box, can trigger Hall switch, and then realize opening or closing of electric capacity pen, reduce mechanical switch's step, increase user experience.

Further, the capacitance pen also comprises a wireless charging module and an LED lamp (53). The LED lamp is used to indicate the operating state of the capacitive pen, for example, the LED lamp displays red as a charging state and blue as an operating state.

The wireless charging module is used for realizing the wireless charging function of the capacitance pen, namely, the built-in lithium battery in the capacitance pen is charged by utilizing the electromagnetic induction principle. The wireless charging module mainly comprises a wireless charging coil (6) and a wireless charging circuit, wherein the wireless charging circuit can be arranged on the PCB, and the tail end of the pen tube can be arranged due to the fact that the wireless charging coil generates large heat, and heat dissipation is facilitated.

It is right above the utility model discloses the capacitance pen has been elucidated for help understands the utility model discloses, nevertheless the utility model discloses an embodiment does not receive the restriction of above-mentioned embodiment, and any does not deviate from the utility model discloses change, modification, substitution, combination, simplification made under the principle all should be equivalent replacement mode, all contain within the protection scope the utility model discloses a.

Claims (10)

1. A capacitance pen is characterized by comprising a pen tube and an antenna assembly, wherein the antenna assembly comprises a pen point, an antenna body, an antenna base and an insulating sleeve, and the antenna body, the antenna base and the insulating sleeve are arranged inside the pen tube; the antenna body is sleeved with an insulating sleeve, and the rear end of the antenna body is connected with the antenna base; the front end of the antenna body is connected with the tail end of the pen point, and the front end of the pen point penetrates out of the front end of the pen tube.

2. The capacitive pen of claim 1, wherein the nib is a fiber and metal integral molding.

3. A capacitance pen as claimed in claim 1, wherein the tip is provided with a cone of synthetic fibre material at the forward end thereof.

4. The capacitance pen of claim 1, wherein the antenna body is a metal long tube.

5. The capacitance pen as claimed in claim 1, wherein the front end of the antenna body is provided with internal threads and is in threaded connection with the tail end of the pen point; the rear end of the antenna body is provided with external threads and is in threaded connection with the antenna base.

6. The capacitive pen of claim 1, further comprising a metal nib threadably connected to the front end of the pen barrel; the metal pen point is provided with a through hole, and the front end of the pen point penetrates out of the through hole.

7. The capacitive stylus according to any one of claims 1 to 6, wherein the stylus barrel further comprises a PCB board, the antenna base being fixed to the PCB board.

8. The stylus according to claim 7, wherein a hall switch is disposed on the PCB, and the hall switch is used to trigger the stylus to turn on or off.

9. The capacitance pen of claim 7, wherein a wireless charging module is further disposed on the PCB.

10. The capacitance pen of claim 7, wherein an LED indicator is further provided on the PCB board.

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