CN209118240U

CN209118240U - A kind of active capacitance plate stylus and induction nib

Info

Publication number: CN209118240U
Application number: CN201822191522.0U
Authority: CN
Inventors: 眭洋榕
Original assignee: Shenzhen Jinxihong Technology Co Ltd
Current assignee: Shenzhen Jinxihong Technology Co Ltd
Priority date: 2018-12-25
Filing date: 2018-12-25
Publication date: 2019-07-16
Anticipated expiration: 2028-12-25

Abstract

The utility model discloses a kind of active capacitance plate stylus and induction nibs, the induction nib includes induction pen tip and induction pen head tube, the induction pen tip includes conductive plastic, metal needle, insulation spacer and insulation tube, the conductive plastic is set to the front end of metal needle, it is integrally formed with metal needle, the insulation spacer is sheathed on the bottom end of metal needle, and the insulative pipe sleeve is set to outside insulation spacer；The induction pen head tube is plastic cement through-hole pipe, is sheathed on the outside of induction pen tip, and the inner and outer wall of the induction pen head tube is set there are two isolated conductive layer.The utility model has stable working performance, and assembly technology is simple, writes precision height, user can be according to the first-class advantage of induction pen of need of work self-changeable same type.

Description

A kind of active capacitance plate stylus and induction nib

Technical field

The utility model relates to a kind of styluses, more specifically to a kind of active capacitance plate stylus and induction Nib.

Background technique

With smart phone, the explosive growth of tablet computer, more and more application software need the touching of higher precision Control, example painting software, electronic signature etc., in the market the writing nib of existing capacitance plate stylus for metal penpoint or be A plastic cap is covered on metal penpoint, 3 layers of conductive electrode in nib are manually to cover in layer by metal sleeve with insulation tube Tipping is matched, and according to the characteristic of capacitance plate, the innermost layer in 3 layers of conductive pen point determines stylus induction apart from length with outermost Sensitivity and resolution ratio, due to processing technology precision problem, this method can not fundamentally solve capacitive touch pen to electronics The scratch of product touch screen injures, and can not meet requirement of the capacitance pen to touch-control sensitivity and resolution ratio, be added and swash in this example Light Carving Machining technique, precision can be nanoscale, be fully solved sensitivity and resolution requirement of the user to stylus.Pen tip Using the conductive plastics for having flexibility and wearability, thoroughly solve to injure the picture trace of touch screen.

Utility model content

The technical problem to be solved by the utility model is to provide a kind of active capacitance plate stylus, induction nib and its Manufacturing method avoids the scratch injury to touch screen, improves touch-control sensitivity and display resolution.

In order to solve the above-mentioned technical problem, the utility model uses following technical scheme:

A kind of induction nib of active capacitance plate stylus, including induction pen tip and induction pen head tube, the induction pen Point includes conductive plastic, metal needle, insulation spacer and insulation tube, and the conductive plastic is set to the front end of metal needle, with metal needle It is integrally formed, the insulation spacer is sheathed on the bottom end of metal needle, and the insulative pipe sleeve is set to outside insulation spacer；The induction Nib pipe be plastic cement through-hole pipe, be sheathed on induction pen tip outside, the inner and outer wall of the induction pen head tube set there are two point From conductive layer.

Preferably, the conductive plastic is round body.

Further, the induction pen head tube is the through-hole pipe of cone, cylinder or six prismatics.

Preferably, the length of the induction pen head tube is 8mm-30mm, internal diameter 0.8mm-1.2mm, outer diameter 1.6mm- 4mm。

A kind of active capacitance plate stylus with aforementioned induction nib, including pen tube shell, induction nib, master control PCBA, battery and power control board further include connection induction nib and the plastic cement electric connection part of master control PCBA, the plastic cement electricity Property connector one end connect with induction pen head thread, the other end is connect by metallic elastic thimble with master control PCBA.

Further, it is tubulose that the plastic cement, which is electrically connected part, and inner wall is equipped with and incudes the mutually matched screw thread of nib, The circular hole passed through for metallic elastic thimble is equipped among bottom, both sides external is respectively equipped with the boss of fixed thread, inside and outside wall If there are three isolated conductive layers.

Preferably, the pen tube shell is equipped with pen clip.

The utility model has the advantages that due to the above structure,

The material that the conductive plastic of the utility model uses is the plastics powder material for adding conductive nano powder, is had The capacitance plate of certain flexibility and wearability, the product made and electronics will not leave picture trace when writing on screen, pen tip Conductive plastics can use the soft or hard different plastics of the different elasticity of hardness level, and using effect is reachable to be similar to drawing pencil (such as 4H, 2H, HB, 2B, 4B pencil), user can be according to the induction nib of need of work self-changeable same type, to meet different personages The advantages of work requirements.

The plastic cement of the utility model is electrically connected part and uses detachable structure, and user is convenient for disassembly and assembly.

The utility model is made of plastic cement conductive material, save linkage editor, effective solution prior art dress With craft precision problem caused by complex process.

Laser processing technology is added in the utility model, and precision can be nanoscale, be fully solved spirit of the user to stylus Sensitivity and resolution requirement.

After the detailed description of the embodiments of the present invention is read in conjunction with the figure, the characteristics of the utility model and advantage It will become clearer.

Detailed description of the invention

Fig. 1 is the internal structure decomposition diagram of the utility model；

Fig. 2 is the external structure schematic diagram of the utility model；

Fig. 3 is the schematic diagram of internal structure of the utility model；

Fig. 4 is that the plastic cement of the utility model is electrically connected part schematic diagram of internal structure.

Specific embodiment

The utility model is described in further detail in one embodiment below, but it should explanation, this is practical new The protection scope of type is not limited only to this.

Embodiment 1

As shown in Figure 1, a kind of induction nib of active capacitance plate stylus of the utility model, including led by round body The induction pen tip that electric plastic cement 1, metal needle 3, insulation spacer 2 and insulation tube 4 form, and it is sheathed on the induction of the outside of induction pen tip Written pipe 5, the conductive plastic 1 are set to the front end of metal needle 3, are integrally formed with metal needle 3, and the insulation spacer 2 is sheathed on The bottom end of metal needle 3, the insulation tube 4 are sheathed on outside insulation spacer 2；Induction pen head tube be plastic cement through-hole pipe, inner wall and Outer wall is set there are two isolated conductive layer, and the induction pen head tube may be configured as the through-hole pipe of cone, cylinder or six prismatics.

The induction nib of above-mentioned active capacitance plate stylus is during fabrication, comprising the following steps:

Conductive plastic is put into together with metal needle and is shaped to top in injection mold as the induction pen tip of round body, then from The bottom end of metal needle covers an insulation spacer, then covers an insulation tube on insulation spacer again, and the production of induction pen tip can be completed；

The induction pen head tube of injection formed is put into electroplate liquid and does plastic surface metallization electroplating processes, makes induction pen head tube Entire inside pipe wall and outer wall plate metal formed conductive layer, do laser engraving respectively at the both ends of induction pen head tube, remove one Partial electroconductive layer makes plastic shell form the conductive layer of inside and outside two separation；Preferably, the length of induction pen head tube can It is fabricated to 8mm-30mm, internal diameter can be fabricated to 0.8mm-1.2mm, and outer diameter can be fabricated to 1.6mm-4mm；The induction pen of the present embodiment The head tube cone type body not of uniform size using two-stage, inside sets the through-hole of 1mm, biggish one end bottom is made into screw thread silk tooth.

The induction pen tip made is set with into induction pen head tube, glue is injected and fixes, forming band, there are three electrodes conducts Induction touch pen point.

As Figure 2-3, the utility model provides a kind of active capacitance plate stylus with aforementioned induction nib, It further include that connection incudes written 9 Hes including pen tube shell 10, induction nib 9, master control PCBA8, battery 11 and power control board 12 The plastic cement of master control PCBA8 is electrically connected part 13, and one end that the plastic cement is electrically connected part 13 is threadedly coupled with induction nib 9, separately One end is connect by metallic elastic thimble 7 with master control PCBA8, and the pen tube shell 10 is equipped with pen clip 14.The active electric The manufacturing method for holding stylus is as follows: there are three the induction nibs of electrode to be welded to master control PCBA with conducting wire for the tool that will be made On, battery is connect with master control PCBA, power control board is connect with battery, is reloaded into pen tube shell.

Embodiment 2

As shown in figure 4, the active capacitance plate stylus of the utility model, on the basis of embodiment 1, by plastic cement electrical property Connector is set as detachable structure, and it is tubulose that the plastic cement, which is electrically connected part, and inner wall is equipped with to cooperate with induction nib Screw thread 16, the circular hole 17 passed through for metallic elastic thimble is equipped among bottom, both sides external is respectively equipped with the convex of fixed thread Platform 15, inside and outside wall are set there are three isolated conductive layer.

The manufacturing method of the active capacitance plate stylus of the present embodiment is as follows:

After plastic cement is electrically connected part die sinking injection molding, it is put into electroplate liquid and does plastic surface metallization electroplating processes, Its inside and outside wall is set to plate metal conducting layer；The conductive layer of two sides boss is removed using laser engraving, forms two independent electricity Pole；Again the boss is electroplated twice respectively, forms the electrode for being suitble to welded disc to be connected to master control PCBA；By plastic cement electrical property Circular hole ectonexine among connector bottom carries out laser engraving, and conductive layer is removed, metallic elastic thimble is then loaded onto, and is formed The plastic cement of three absolute electrodes is electrically connected part；Plastic cement electric connection part is welded on master control PCBA, the induction that will be made Nib rotates to plastic cement and is electrically connected on part, is reloaded into pen tube shell.

After the completion of the utility model manufacture, the master control PCBA that the signal on capacitance plate is transmitted by three Different electrodes is complete At signal amplification, the detection of stylus, by the operation of main control chip then signal correction is emitted, completed to capacitance plate Writing-painting.

Although being described in conjunction with the accompanying the embodiments of the present invention, those skilled in the art can be appended Various deformations or amendments are made within the scope of the claims, are protected as long as the claim for being no more than the utility model is described Range is protected, should be all within the protection scope of the utility model.

Claims

1. a kind of induction nib of active capacitance plate stylus, it is characterised in that: including induction pen tip and induction pen head tube, institute Stating induction pen tip includes conductive plastic, metal needle, insulation spacer and insulation tube, and the conductive plastic is set to the front end of metal needle, It is integrally formed with metal needle, the insulation spacer is sheathed on the bottom end of metal needle, and the insulative pipe sleeve is set to outside insulation spacer； The induction pen head tube is plastic cement through-hole pipe, is sheathed on the outside of induction pen tip, and the inner and outer wall of the induction pen head tube is set There are two isolated conductive layers.

2. a kind of induction nib of active capacitance plate stylus as described in claim 1, it is characterised in that: the conductive modeling Glue is round body.

3. a kind of induction nib of active capacitance plate stylus as described in claim 1, it is characterised in that: the induction pen Head tube is the through-hole pipe of cone, cylinder or six prismatics.

4. a kind of induction nib of active capacitance plate stylus as described in claim 1, it is characterised in that: the induction pen The length of head tube is 8mm-30mm, internal diameter 0.8mm-1.2mm, outer diameter 1.6mm-4mm.

5. a kind of with the active capacitance plate stylus for incuding nib described in claim 1, it is characterised in that: outside including pen tube Shell, induction nib, master control PCBA, battery and power control board further include that connection induction nib and the plastic cement of master control PCBA are electrical Connector, one end that the plastic cement is electrically connected part are connect with induction pen head thread, and the other end passes through metallic elastic thimble and master Control PCBA connection.

6. a kind of active capacitance plate stylus as claimed in claim 5, it is characterised in that: the plastic cement is electrically connected part and is Tubulose, inner wall, which is equipped with, is equipped with the circular hole passed through for metallic elastic thimble with the mutually matched screw thread of induction nib, bottom centre, Both sides external is respectively equipped with the boss of fixed thread, and inside and outside wall sets that there are three isolated conductive layers.

7. such as a kind of active capacitance plate stylus described in claim 5 or 6, it is characterised in that: set on the pen tube shell There is pen clip.