CN216697215U

CN216697215U - Capacitance pen

Info

Publication number: CN216697215U
Application number: CN202123440843.8U
Authority: CN
Inventors: 李康林
Original assignee: Shenzhen Wuji Technology Co ltd
Current assignee: Shenzhen Wuji Technology Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-06-07
Anticipated expiration: 2031-12-30

Abstract

The utility model discloses a capacitance pen, which can simplify the assembly process of the capacitance pen and facilitate the assembly of the capacitance pen. The utility model provides a capacitance pen, includes a shell, is provided with the PCB mainboard in a shell, still includes the connector, and the connector is connected with PCB mainboard electricity, and in the tail end of nib inserted the connector, the tail end of nib and connector phase card merged and form the electricity and connect, and the front end of nib is exposed outside a shell, nib structure as an organic whole.

Description

Capacitance pen

Technical Field

The utility model belongs to the technical field of capacitance pens.

Background

The chinese utility model patent with publication number CN210639593U and publication date of 2020, 05 and 29 discloses an active touch capacitive pen, which comprises a hollow pen holder made of conductive material and a conductive pen cap adapted to the front end of the pen holder; the front end of the pen point sleeve is provided with a first through hole for the pen point in the pen point component to extend out; the pen holder is internally provided with a pen point assembly, a first PCB and a switch assembly which are sequentially installed and electrically connected; the first PCB is provided with a conductive threaded piece, and the threaded piece is connected with the pen cap to form a grounding structure consisting of the pen cap, the pen holder, the threaded piece and the first PCB; the pen point assembly comprises a pen point, a first PCB and a threaded piece, wherein the threaded piece is provided with a first through hole, the pen point penetrates through the first through hole and is electrically connected with the first PCB, the pen point assembly further comprises a non-conductive isolating piece, and one end, close to the first PCB, of the pen point is wrapped by the isolating piece; and forming an insulating structure between the threaded part and the pen point by the isolating part.

In prior art, written subassembly is formed by the equipment of a plurality of spare parts, and is consuming time hard, influences the packaging efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a capacitance pen, which can simplify the assembly process of the capacitance pen and is convenient for assembly of the capacitance pen.

In order to solve the technical problems, the utility model adopts the technical scheme that:

the utility model provides a capacitance pen, includes a shell, is provided with the PCB mainboard in a shell, still includes the connector, and the connector is connected with PCB mainboard electricity, and in the tail end of nib inserted the connector, the tail end of nib and connector phase card merged and form the electricity and connect, and the front end of nib is exposed outside a shell, nib structure as an organic whole.

On the basis of the above scheme and as a preferable scheme of the scheme: the connector has first pole piece, second pole piece and third pole piece, the nib has a polar pin, diode and triode, the tail end of nib inserts in the region that first pole piece, second pole piece and third pole piece enclose to first pole piece, second pole piece and third pole piece block the tail end of nib together, first pole piece, second pole piece and third pole piece contact with a polar pin, diode and triode respectively and form the electricity and connect.

On the basis of the above scheme and as a preferable scheme of the scheme: the nib include a polar needle, the outside of a polar needle is provided with first isolation layer, the outside of first isolation layer is provided with the diode, the outside of diode is provided with the second isolation layer, the outside of second isolation layer is provided with the triode, the front end of a polar needle, the front end of diode, the front end of triode are lived by the cladding piece parcel.

On the basis of the above scheme and as a preferable scheme of the scheme: the connector comprises a base portion and a pipe portion connected to the base portion, the base portion is provided with the first pole piece, the second pole piece and the third pole piece, the end portions of the first pole piece, the second pole piece and the third pole piece extend into the pipe portion, and the side faces of the first pole piece, the second pole piece and the third pole piece are abutted to each other through the pipe portion.

On the basis of the above scheme and as a preferable scheme of the scheme: a hook part is arranged at the front end of the triode, and the hook part is wrapped by the wrapping piece; the cladding piece is exposed outside the pen shell.

On the basis of the above scheme and as a preferable scheme of the scheme: the front end of the diode extends out relative to the front end of the triode, and the front end of a polar needle extends out relative to the front end of the diode; the tail end of the diode extends out relative to the tail end of the triode, and the tail end of a pole needle extends out relative to the tail end of the diode.

On the basis of the above scheme and as a preferable scheme of the scheme: the pole needle, the diode and the triode are all made of brass materials.

On the basis of the above scheme and as a preferable scheme of the scheme: the tail end of the first pole piece is provided with a notch, the first pole piece is provided with a bending part, and the bending part is matched with the notch.

On the basis of the above scheme and as a preferable scheme of the scheme: the first isolation layer, the second isolation layer and the cladding piece are all made of polyformaldehyde materials.

On the basis of the above scheme and as a preferable scheme of the scheme: the outer surfaces of the pole pin, the diode and the triode are plated with nickel layers; the thickness of the nickel layer is 1um-3 um.

Compared with the prior art, the utility model has the outstanding and beneficial technical effects that:

according to the capacitance pen, the pen point is of an integrated structure and is electrically connected with the PCB main board through the connector, and the pen point and the connector form a clamping structure. In the utility model, the pen point is of an integral module structure, and the pen point part does not need to be independently assembled when the capacitance pen is assembled, so that the assembly process of the capacitance pen can be simplified, and the technical effect of convenient assembly of the capacitance pen is achieved.

Drawings

Fig. 1 is a schematic view of the structure of a pen tip of the present invention.

Fig. 2 is a sectional view of the pen tip of the present invention.

Fig. 3 is a cross-sectional view of the connector of the present invention.

Detailed Description

In order to make the purpose, technical solutions and advantages of the present application clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all the embodiments. All other embodiments obtained by a person skilled in the art without making any inventive step, based on the given embodiments, fall within the scope of protection of the present application.

In the description of the present application, it is to be understood that the terms "upper", "lower", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.

In the description of the present application, the terms "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated.

The utility model discloses a capacitance pen, which comprises a pen shell, wherein a PCB (printed circuit board) main board is arranged in the pen shell, a connector 2 is also arranged in the pen shell, the connector 2 is used for assembling a pen point 1 so as to realize the electric connection of the PCB main board and the pen point 1, and a signal generated by the PCB main board is output through the pen point 1 and is used for coupling. In this embodiment, the connector 2 is electrically connected to the PCB main board, the tail end 1a of the pen point 1 is inserted into the pen casing, and the tail end 1a of the pen point 1 is engaged with the connector 2 to form an electrical connection. The tip 1b of the pen tip 1 is exposed to the outside of the pen case. The pen tip 1 is an integral structure. In the embodiment, the pen point 1 is of an integral structure, and the pen point 1 is used as a modular part of the capacitance pen without being assembled after being shipped.

In this embodiment, the pen point 1 is an integrated structure and is electrically connected to the PCB main board through the connector 2, and the pen point 1 and the connector 2 form a clamping structure. Because nib 1 is integral modular structure, need not assemble with 1 part of nib alone when assembling the electric capacity pen, can simplify the assembly process of electric capacity pen, reach the convenient purpose of electric capacity pen equipment.

As shown in fig. 1 and 2, the pen tip 1 includes a needle pole 11, and the needle pole 11 is made of brass. A first isolation layer 14 is arranged on the outer side of the first pole needle 11, and in this embodiment, the first isolation layer 14 is made of polyoxymethylene. The diode 12 is arranged on the outer side of the first isolation layer 14, and the diode 12 is of a substantially tubular structure and is made of brass material. A second isolation layer 15 is disposed outside the diode 12, and in this embodiment, the second isolation layer 15 is made of polyoxymethylene. And a triode 13 is arranged outside the second isolation layer 15. In the embodiment shown, transistor 13 is substantially tubular in configuration and is formed of brass material. Of course, the one-pole pin 11, the diode 12, and the transistor 13 may be made of other materials with good conductive performance. As shown in the figure, a polar needle 11, a diode 12 and a triode 13 are coaxially arranged, polyformaldehyde material is filled between the polar needle 11, the diode 12 and the triode 13, and the polar needle 11, the diode 12 and the triode 13 are not conducted with each other in the structure of the pen point 1. The front end of a pole pin 11, the front end of a diode 12 and the front end of a triode 13 are wrapped by a wrapping piece 16. In this embodiment, the cladding 16 is made of polyoxymethylene. After the capacitive pen is assembled, the covering 16 is exposed to the outside of the pen case. By adopting the structure of the cladding piece 16, the capacitor screen is prevented from being scratched by the polar pin 11, the diode 12 and the triode 13. In the present embodiment, a pole pin 11, a diode 12, a transistor 13, a first isolation layer 14, a second isolation layer 15 and a covering member 16 are made into an integrated pen tip 1 as a modular component of the capacitive pen, so as to facilitate the assembly of the capacitive pen.

As shown in fig. 2, in the present embodiment, the front end of the diode 12 protrudes relative to the front end of the transistor 13, and the front end of the polar pin 11 protrudes relative to the front end of the diode 12, thereby facilitating the formation of a tapered structure at the front end of the pen tip 1, and facilitating the writing of the pen tip 1 on the capacitive screen. The tail end of the diode 12 extends out relative to the tail end of the triode 13, and the tail end of the polar pin 11 extends out relative to the tail end of the diode 12, so that the polar pin 11, the diode 12 and the triode 13 are respectively in contact with the first pole piece 23, the second pole piece 24 and the third pole piece 25.

In this embodiment, the front end of the triode 13 is provided with a hook portion 131, and the covering 16 covers the hook portion 131. By adopting the structure of the hook 131, the covering 16 is reliably molded at the front ends of the first electrode pin 11, the diode 12 and the triode 13.

Generally, the outer surfaces of the first pole pin 11, the diode 12 and the triode 13 are plated with nickel layers; the thickness of the nickel layer is 1um-3 um.

As shown in the figure, the tail end of the first pole piece 11 is provided with a notch 111, the first pole piece 23 is provided with a bent part 231, and the bent part 231 is matched with the notch 111. The engagement structure of the notch 111 and the curved portion 231 allows the pen tip 1 to engage with the connector 2, and when an excessive force is applied, the pen tip 1 can be pulled out from the connector 2. In order to allow the second and

third pole pieces

24 and 25 to be in sufficient contact with the diode 12 and the transistor 13, the second and

third pole pieces

12 and 13 are each provided with a bent portion 231.

The connector 2 comprises a base 21 and a tube portion 22 connected to the base 21, the base 21 is provided with the first pole piece 23, the second pole piece 24 and the third pole piece 25, and the ends of the first pole piece 23, the second pole piece 24 and the third pole piece 25 extend into the tube portion 22. The area 20 enclosed by the first pole piece 23, the second pole piece 24 and the third pole piece 25 is used for inserting the tail end 1a of the pen tip 1, and the first pole piece 23, the second pole piece 24 and the third pole piece 25 clamp the tail end 1a of the pen tip 1 together. As shown in the figure, the tube portion 22 is used for abutting against the side surfaces of the first pole piece 23, the second pole piece 24 and the third pole piece 25, and the structure of the tube portion 22 limits the first pole piece 23, the second pole piece 24 and the third pole piece 25 from excessively expanding outwards, so that the first pole piece 23, the second pole piece 24 and the third pole piece 25 are clamped on the tail end 1a of the pen tip 1.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered by the protection scope of the utility model.

Claims

1. The utility model provides a capacitance pen, includes a shell, is provided with the PCB mainboard in a shell, its characterized in that: still include the connector, the connector is connected with the PCB mainboard electricity, and in the tail end of nib inserted the connector, the tail end of nib and connector phase card merged and forms the electricity and connect, and the front end of nib exposes outside the pen shell, nib structure as an organic whole.

2. The capacitive stylus of claim 1, wherein: the connector has first pole piece, second pole piece and third pole piece, the nib has a polar pin, diode and triode, the tail end of nib inserts in the region that first pole piece, second pole piece and third pole piece enclose to first pole piece, second pole piece and third pole piece block the tail end of nib together, first pole piece, second pole piece and third pole piece contact with a polar pin, diode and triode respectively and form the electricity and connect.

3. The capacitive stylus of claim 2, wherein: the nib include a polar needle, the outside of a polar needle is provided with first isolation layer, the outside of first isolation layer is provided with the diode, the outside of diode is provided with the second isolation layer, the outside of second isolation layer is provided with the triode, the front end of a polar needle, the front end of diode, the front end of triode are lived by the cladding piece parcel.

4. The capacitive stylus of claim 2, wherein: the connector comprises a base portion and a pipe portion connected to the base portion, the base portion is provided with the first pole piece, the second pole piece and the third pole piece, the end portions of the first pole piece, the second pole piece and the third pole piece extend into the pipe portion, and the side faces of the first pole piece, the second pole piece and the third pole piece are abutted to each other through the pipe portion.

5. A capacitance stylus according to claim 3, wherein: a hook part is arranged at the front end of the triode, and the hook part is wrapped by the wrapping piece; the cladding piece is exposed outside the pen shell.

6. A capacitance stylus according to claim 3, wherein: the front end of the diode extends out relative to the front end of the triode, and the front end of a polar needle extends out relative to the front end of the diode; the tail end of the diode extends out relative to the tail end of the triode, and the tail end of a pole needle extends out relative to the tail end of the diode.

7. A capacitance stylus according to claim 3, wherein: the pole needle, the diode and the triode are all made of brass materials.

8. A capacitive stylus according to claim 3, wherein: the tail end of the first pole piece is provided with a notch, the first pole piece is provided with a bending part, and the bending part is matched with the notch.

9. A capacitance stylus according to claim 3, wherein: the first isolation layer, the second isolation layer and the cladding piece are all made of polyformaldehyde materials.

10. A capacitance stylus according to claim 3, wherein: the outer surfaces of the pole pin, the diode and the triode are plated with nickel layers; the thickness of the nickel layer is 1um-3 um.