CN209590796U

CN209590796U - Active capacitance pen

Info

Publication number: CN209590796U
Application number: CN201920587108.3U
Authority: CN
Inventors: 何梁卫
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-04-26
Filing date: 2019-04-26
Publication date: 2019-11-05
Anticipated expiration: 2029-04-26

Abstract

The utility model discloses a kind of active capacitance pens, including nib, pen body and switch block, the front end of pen body is arranged in nib, the rear end of pen body is arranged in switch block, the diameter of nib is 0.7-2mm, the rear end of nib is linked together using hollow connector with pen body, pcb board is equipped with inside pen body, the upper one end connecting with nib PCB is U-shaped structure, middle part is equipped with groove, spring is connected in groove, the spring one end is fixed on pcb board, the other end is connected together with nib, capacitance pen provided herein is when a reading is painted, pen tip and screen contact have an active force, it can effectively be realized using spring and the active force is buffered, realize the flexible of nib, preferably protection capacitance plate and nib.

Description

Active capacitance pen

Technical field

The utility model relates to capacitance pen field more particularly to a kind of active capacitance pens.

Background technique

When finger touches on capacitance plate, due to human body electric field, finger and touch-control screen surfaces are formed with a coupling electricity Hold, for high-frequency current, capacitor is direct conductor, and then finger siphons away the electric current of a very little from contact point, this electricity Stream is flowed out from the electrode on touch screen quadrangle respectively, and flow through the electric currents of this four electrodes at a distance from finger to quadrangle at Direct ratio, controller show that the location information of touch point, capacitance pen are exactly to utilize by accurately calculating to this four current ratios Conductor material imitates human body (usually finger) and completes a kind of auxiliary device of human-computer dialogue, but the nib of existing capacitance pen is larger (diameter 4mm or more), bring inconvenience are that the accuracy of touch point is not high, finely can not be painted and be operated, tradition If capacitance pen is unable to reach the effect of touch control capacitance screen using the nib for being less than 4mm.

Utility model content

Shortcoming present in view of the above technology, the utility model provide a kind of active capacitance pen, overcome tradition Written diameter is big, the inaccurate disadvantage of touch point；Entire capacitance pen connection type is simple simultaneously, maintains more convenient.

To achieve the above object, the utility model provides a kind of active capacitance pen, including nib, pen body and switching group Part, the nib are arranged in the front end of the pen body, and the switch block is arranged in the rear end of the pen body, the nib it is straight Diameter is 0.7-2mm, and the rear end of the nib is linked together using hollow connector with the pen body, is equipped with inside pen body Pcb board, one end connect on the PCB with nib are U-shaped structure, and middle part is connected with spring in the groove, institute equipped with groove It states spring one end to be fixed on pcb board, the other end is connected together with the nib.

Preferably, the connector includes protection shell and fixing piece, the protection shell is arranged in the fixing piece Outside, the inner surface of the protection shell is equipped with screw thread, and the fixing piece includes threaded rod and fixed ring, and the threaded rod is solid It is scheduled on the lower part of the fixed ring, the top of the fixed ring is set there are two the card slot for being clamped the pcb board, and the card slot is interior also Equipped with gag lever post.

Preferably, the threaded rod is hollow structure, the outer surface of threaded rod is equipped with lira, and the protection shell passes through Screw thread and threaded rod are screwed on together, and the protection shell is made of metal or plastic material.

Preferably, the pen body includes pen body shell and the pcb board for being placed in pen body interior of shell, the pcb board U-shaped structure on be provided with through-hole, the through-hole is symmetricly set on the front end of the pcb board, and the pcb board is equipped with signal Circuit, the rear end of the pcb board are equipped with fastener, and the fastener, which is equipped with, has telescopic rod；One end of the pen body shell and guarantor Protective case body abuts together, and the other end abuts the fastener.

Preferably, the rear end of the pen body, including switch housing, control switch and key is arranged in the switch block Cap, the control switch are placed in the inside of the switch housing, and the button cap fitting is arranged in the control switch, is socketed in On the switch housing, the control switch includes press-type switch and control panel, and the control mainboard and the pcb board use FPC winding displacement is connected, and is additionally provided with power supply by the control mainboard.

Preferably, being provided with circular hole on the switch housing, the circular hole is adapted with the telescopic rod of fastener, thus by institute Switch block is stated to be fixed in pen body.

The beneficial effects of the utility model are: compared with prior art, technical solution provided by the utility model has three A characteristic point controls the power supply of entire circuit first with control switch, to can effectively subtract when not using capacitance pen Few waste to electricity, so that the battery of capacitance pen is more permanent；Secondly, product is when reading drawing, pen tip and screen Curtain contact has an active force, can effectively be realized using spring and be buffered to the active force, realizes the flexible of nib, preferably Capacitance plate and nib are protected, finally, the requirement based on active capacitance pen to structure precision, more high-precision, the better of properties of product The all lathes of this structural member, the processing of computer gong, trueness error make product have better performance in 0.02mm.

Detailed description of the invention

Fig. 1 is the Structure explosion diagram of the utility model；

Fig. 2 is the structure constitutional diagram of the utility model；

The lira part structure chart of the position Fig. 3 the utility model.

Main element symbol description is as follows:

1, written 2, connector

3, pen body 4, switch block

21, shell 22, threaded rod are protected

23, fixed ring 24, spring

25, baffle 31, pen body shell

32, pcb board 33, fastener

41, switch housing 42, control panel

43, press-type switch 44, button cap

45, power supply 231, card slot

232, gag lever post 321, through-hole

331, telescopic rod 411, circular hole.

Specific embodiment

In order to more clearly state the utility model, the utility model is further described with reference to the accompanying drawing.

Referring to Fig. 1, the utility model of the utility model provides a kind of active capacitance pen, including written 1, pen body 3 With switch block 4, the front end of pen body 3 is arranged in nib 1, and the rear end of pen body 3 is arranged in switch block 4, and the diameter of nib 1 is The rear end of 0.7-2mm, nib 1 are linked together using hollow connector 2 with pen body 3, and pcb board 32 is equipped with inside pen body 3, The one end connecting on pcb board 32 with nib 1 is U-shaped structure, and middle part is equipped with groove, is connected with spring 24, spring 24 1 in groove End is fixed on pcb board 32, and the other end is connected together with nib 1, in the present embodiment, since connector is hollow structure, Therefore nib may pass through connector and connect with spring, in this way when nib is contacted with screen, can generate an active force, by It is smaller in the diameter of nib, therefore pressure suffered by nib is larger, it is easy to the damage of nib is caused, but due to there is spring Presence, therefore when nib by active force after, can be shunk under the action of the spring, then spring again pushes away nib Out, play certain buffer function, avoid nib under strength ambient pressure with screen contact, thus can be effectively to pen Head is protected, and certainly, in order to enable the connection between spring and nib is more stable, can be added between spring and nib One end of nib is firmly wrapped up using wrap member, wrap member is being fixedly connected with spring by wrap member.

Fig. 2 and Fig. 3 are please referred to, to achieve the goals above, connector 2 includes protection shell 21 and fixing piece, protective shell The outside of fixing piece is arranged in body 21, and the inner surface of protection shell 21 is equipped with screw thread, and fixing piece includes threaded rod 22 and fixed ring 23, threaded rod 22 is fixed on the lower part of fixed ring 23, and the top of fixed ring 23 sets there are two the card slot 231 of clamping pcb board 32, blocks Gag lever post 232 is additionally provided in slot 231, threaded rod 22 is hollow structure, and the outer surface of threaded rod 22 is equipped with lira, protects shell 21 It is screwed on together by screw thread and threaded rod 22, protection shell 21 is made of metal or plastic material.In the present embodiment, solid Ring is determined equipped with card slot, and in this way when in pcb board insertion card slot, gag lever post allows in this way right through the through-hole on pcb board The signal that ensure that nib can receive pcb board together is securely fixed between the two, and nib is replaced for convenience, It is also provided with the baffle 25 that middle part has through-hole, baffle 25 cooperates wrap member, thus when being replaced to nib, it will not be right Spring generates any damage, and utilizes the cooperation between screw thread and lira, and protection shell is fixed together with threaded rod, this Sample, which can facilitate, dismantles protection shell, also provides convenience for the replacement to nib.

Pen body 3 includes pen body shell 31 and the pcb board 32 for being placed in pen body interior of shell, is provided on the U-shaped structure of pcb board 32 Through-hole 321, through-hole 321 are symmetricly set on the front end of pcb board 32, and pcb board 32 is equipped with signal generating circuit, after pcb board 32 End is equipped with fastener 33, and fastener 33, which is equipped with, has telescopic rod 331；One end of pen body shell 31 and protection shell 21 are connected to one It rises, the other end abuts fastener 33；The rear end of pen body 3, including switch housing 41, control switch and key is arranged in switch block 4 Cap 44, control switch are placed in the inside of switch housing 41, and the fitting of button cap 44 is arranged in control switch, are socketed in switch housing 41 On, control switch includes press-type switch 43 and control panel 42, and control panel 42 is connected with pcb board 32 using FPC winding displacement, control panel Power supply 45 is additionally provided with by the of 42.Circular hole 411 is provided on switch housing 41, circular hole 411 is adapted with the telescopic rod 331 of fastener 33, from And switch block 4 is fixed in pen body 3.In a particular embodiment, the structure of telescopic rod 331 is similar to the umbrella frame of Folding umbrella Between fixed connection structure, can effectively realize the connection between pen body and switch block, the company between entire capacitance pen in this way Binding structure using lira connection, abut or it is so-called be telescopically connected to, in this way when capacitance pen goes wrong, can quickly it is right Entire capacitance pen is dismantled, without the tool of profession, so that the maintenance to capacitance pen is more convenient.

The advantage of the utility model is:

1) pen tip is thinner, touch-control better effect, and identification is more preferably sensitive reliable；

2) on-off that power supply is realized by switch control, can effectively reduce the waste of electric quantity of power supply, increase service life；

3) in retractable tip pens to protective shell body, the protection to pen tip is effectively realized.

Disclosed above is only several specific embodiments of the utility model, but the utility model is not limited to this, The changes that any person skilled in the art can think of should all fall into the protection scope of the utility model.

Claims

1. a kind of active capacitance pen, which is characterized in that including nib, pen body and switch block, the nib is arranged described The rear end of the pen body is arranged in the front end of pen body, the switch block, and the diameter of the nib is 0.7-2mm, the nib Rear end linked together with the pen body using hollow connector, pcb board is equipped with inside pen body, the PCB is upper and written One end of connection is U-shaped structure, and middle part is equipped with groove, is connected with spring in the groove, the spring one end is fixed on pcb board On, the other end is connected together with the nib.

2. active capacitance pen according to claim 1, which is characterized in that the connector includes protection shell and fixation The outside of the fixing piece is arranged in part, the protection shell, and the inner surface of the protection shell is equipped with screw thread, the fixing piece Including threaded rod and fixed ring, the threaded rod is fixed on the lower part of the fixed ring, there are two the top of the fixed ring is set It is clamped the card slot of the pcb board, is additionally provided with gag lever post in the card slot.

3. active capacitance pen according to claim 2, which is characterized in that the threaded rod is hollow structure, threaded rod Outer surface be equipped with lira, the protection shell is screwed on together by screw thread and threaded rod, the protection shell for metal or Plastic material is made.

4. active capacitance pen according to claim 1, which is characterized in that the pen body includes pen body shell and is placed in pen The pcb board of body interior of shell is provided with through-hole on the U-shaped structure of the pcb board, and the through-hole is symmetricly set on the PCB The front end of plate, the pcb board are equipped with signal generating circuit, and the rear end of the pcb board is equipped with fastener, and the fastener is equipped with tool There is telescopic rod；One end of the pen body shell is connected to together with protection shell, and the other end abuts the fastener.

5. active capacitance pen according to claim 1, which is characterized in that the switch block switch housing, control are opened It closes and button cap, the control switch is placed in the inside of the switch housing, the button cap fitting setting is opened in the control Close, be socketed on the switch housing, the control switch include press-type switch and control panel, the control panel with it is described Pcb board is connected using FPC winding displacement, is additionally provided with power supply by the control panel.

6. active capacitance pen according to claim 5, which is characterized in that circular hole is provided on the switch housing, it is described Circular hole is adapted with the telescopic rod of fastener, so that the switch block is fixed in pen body.