CN201156245Y

CN201156245Y - Wireless pen

Info

Publication number: CN201156245Y
Application number: CNU2008200916272U
Authority: CN
Inventors: 蔡火炉
Original assignee: JINGMUO ELECTRONIC SCINCE-TECHNOLOGY (SHENZHEN) Co Ltd
Current assignee: JINGMUO ELECTRONIC SCINCE-TECHNOLOGY (SHENZHEN) Co Ltd
Priority date: 2008-01-14
Filing date: 2008-01-14
Publication date: 2008-11-26
Anticipated expiration: 2018-01-14

Abstract

The utility model relates to a wireless pen which comprises an upper casing, a lower casing which is matched with the upper casing and a pen point structure and a first PCB plate which are contained in the lower casing. The pen point structure comprises a pen tube and a pen chamber which is matched with the pen tube. The inner side at the lower end of the pen tube is provided with inner threads. The outer side at the upper end of the pen chamber is provided with outer threads which are meshed with the inner threads of an installing block. The pen chamber and the pen tube are connected with each other fixedly. A first containing space is arranged in the pen chamber. The pen chamber and the pen tube are combined to form a second containing space to be used for containing an iron powder refill, a pen refill, a pen refill base, elastic conductive particles and a spring. The pen refill base is clung above the iron powder refill. The pen refill is put in a through hole of the iron powder refill and is fixed and connected with the pen refill base. The lower end of the pen refill is raised outside the lower casing. The elastic conductive particles are fixed above the pen refill base, and the upper end of the elastic conductive particles is provided with a spheroid which is arranged opposite to the PCB plate to form a contact-control switch. A spring cover is mounted at the elastic conductive particles. The wireless pen of the utility model has the adjustable movement range of the pen point structure and has simple and reliable structure.

Description

Wireless pen

Technical field

The utility model relates to a kind of wireless pen, particularly a kind of wireless pen of the input media as electronic equipments such as computer, PDA.

Background technology

Present widely used computer inputs comprises mouse and keyboard, because the continuous development of electronics technology, digiboard arises at the historic moment as new input media, cooperate digiboard, therefore one kind pen device also produces, the user uses the class pen device to write on digiboard or paint, can transmission signals to computer, understand by computer; Particularly, the workspace on the digiboard provides a writing surface, is delivered to computer with relevant informations such as the position of seizing the class pen device and pressure; Existing class pen device divides wired formula and wireless type; Wireless pen enjoys high praise because of it is easy to use, and how to make structure, the more reliable performance of wireless pen be those skilled in the art the common problem of paying attention to.

Summary of the invention

The purpose of this utility model provides a kind of wireless pen, and the best stroke of the scope of activities of its written structure and touch switch can be regulated accordingly, makes that the reaction of oscillatory circuit of wireless pen is more sensitive, the signal transmission is more stable.

For achieving the above object, the utility model provides a kind of wireless pen, comprising: upper shell, the lower house that is equipped with upper shell and be contained in written structure and first pcb board in the lower house, and upper shell and lower house are fixedlyed connected by encircling; The nib structure comprises:

One shaft of a writing brush, the lower end of the shaft of a writing brush is provided with mounting blocks, and the first pcb board horizontal fixed is on mounting blocks, and inboard, mounting blocks lower end is provided with internal screw thread;

A cabin, be equipped with the shaft of a writing brush, its outside, upper end is provided with the external screw teeth that is meshed with the internal screw thread of mounting blocks, the cabin and the shaft of a writing brush are fixedly connected, and are provided with first accommodation space in the cabin, and a cabin combines with the shaft of a writing brush and forms second accommodation space, in order to accommodate ferrocart core, pen core, pen core seat, elastic conduction particle and spring, and the middle part, lower end in a cabin is provided with perforation, and perforation is connected with first accommodation space;

One ferrocart core is contained in first accommodation space and contacts with the lower surface of first accommodation space, is provided with a through hole in it, wears for pen core;

One pen core seat fits tightly in the ferrocart core top, and the middle part, lower end of pen core seat is provided with connecting hole, and the upper center of pen core seat is provided with fixed orifice;

One pen core is arranged in the through hole of ferrocart core, and its upper end passes the through hole of ferrocart core, is plugged in the connecting hole of pen core seat, and pen core is fixedlyed connected with the pen core seat, and the lower end of pen core is provided with nib, and nib is passed the perforation in a cabin and exposed lower house;

One elastic conduction particle, be contained in second accommodation space, its lower end is provided with right cylinder, right cylinder places in the fixed orifice of pen core seat, and the elastic conduction particle is fixed in pen core seat top, and its upper end is provided with spherical and platform, be provided with corresponding with first pcb board of spherical forms a touch switch, and spherical does not contact with first pcb board, and touch switch is closed (OFF);

One spring is sheathed on the elastic conduction particle, the contact with platform of one end and elastic conduction particle, and the other end contacts with first pcb board;

When this nib was subjected to external force greater than the elastic force of spring, pen core drove ferrocart core, the pen core seat compressing elastic conduction particle that moves up, and the elastic conduction particle contacts with first pcb board, touch switch unlatching (ON).

The beneficial effect of wireless pen of the present utility model: at first: the design of pen core seat can make the elastic conduction particle, ferrocart core, pen core is combined into one preferably, the degree of depth of the connecting hole of pen core seat has guaranteed that by the degree of depth of adjusting pen core insertion connecting hole pen core seat and ferrocart core can fit tightly greater than the error of ferrocart core length.Secondly, can do suitable adjustment to a cabin with the length that combines of the shaft of a writing brush of being with interior spiral shell bud according to the length after pen core, ferrocart core, pen core seat and the combination of elastic conduction particle, make the scope of activities of written structure not change and guarantee the best actuating length of touch switch because of the length of ferrocart core with outer spiral shell bud; Once more, the movement travel that may command nib structure is set of the block of pen core seat, and the scope of limit pen core print seat elasticity of compression conducting particles produces elastic fatigue to avoid the elastic conduction particle, and in the time of also can guaranteeing to change pen core, pen core can be inserted into pen core seat allocation really; At last, the design of pen ring can adapt to the variation of written structure length and guarantee lower house and upper shell driving fit mutually.In sum, wireless pen of the present utility model simple in structure, reliable, the best stroke of the scope of activities of written structure and touch switch can be regulated accordingly, makes that the reaction of oscillatory circuit of wireless pen is more sensitive, the signal transmission is more stable.

In order further to understand feature of the present utility model and technology contents, see also following about detailed description of the present utility model and accompanying drawing, yet appended graphic only provide with reference to and the explanation usefulness, be not to be used for the utility model is limited.

Description of drawings

Below in conjunction with accompanying drawing,, will make the technical solution of the utility model and other beneficial effects apparent by embodiment of the present utility model is described in detail.

In the accompanying drawing,

Fig. 1 is the synoptic diagram of the utility model wireless pen;

Constitutional diagram when Fig. 2 is standard length for the ferrocart core of the written structure of Fig. 1;

Constitutional diagram when Fig. 3 is the physical length overgauge length of ferrocart core of written structure of Fig. 1;

Fig. 4 for the written structure of Fig. 1 be subjected to external force the time constitutional diagram; And

Fig. 5 is the synoptic diagram of first pcb board of Fig. 1.

Embodiment

Shown in Fig. 1-5, the utility model wireless pen comprises: upper shell 2, the lower house 4 that is equipped with upper shell 2, be contained in written structure 1, first pcb board 82, second pcb board 84 in the lower house 4, be contained in the battery 20 in the upper shell 2, upper shell 2 is fixedlyed connected by pen ring 40 with lower house 4.

Consult Fig. 1-2, written structure 1 comprises:

One shaft of a writing brush 3, the lower end of the shaft of a writing brush 3 is provided with mounting blocks 30, mounting blocks 30 T-shaped hollow cylindricals, extending the fixed part 32 that is provided with downwards by installation portion 31 and installation portion 31 forms, fixed part 32 radially protrudes setting with respect to installation portion 31, fixed part 32 inboards are provided with internal screw thread 33, and, form a stop surface 34 in fixed part 32 inside bottom; First pcb board, 82 horizontal fixed are on mounting blocks 30.

A cabin 5, be equipped with the shaft of a writing brush 3, be hollow tubular, extending the connecting portion 52 that is provided with downwards by auxiliary section 51 and auxiliary section 51 forms, 51 outsides, auxiliary section are provided with external screw teeth 53, the external screw teeth 53 of auxiliary section 51 is meshed with the internal screw thread 33 of the fixed part 32 of the shaft of a writing brush 3, fixedlys connected with the shaft of a writing brush 3 in a cabin 5; Be provided with first accommodation space 11 in the connecting portion 52 in cabin 5, the auxiliary section 51 in a cabin 5 combines with the shaft of a writing brush 3 and forms second accommodation space 12, is used to accommodate pen core 71, ferrocart core 72, pen core seat 8, elastic conduction particle 91 and spring 92; The center bottom of connecting portion 52 is provided with perforation 55, and perforation 55 is connected with first accommodation space 11; Be provided with mating holes 56 in the auxiliary section 51, the radial dimension of mating holes 56 is greater than the radial dimension of first accommodation space 11; In addition, the outside in a cabin 5 is provided with groove 57, one coils 13 and is wound in this groove 57.

One ferrocart core 72 is contained in first accommodation space 11 and with the lower surface of first accommodation space 11 and contacts, and the upper surface of standard-sized ferrocart core 72 is roughly mutually concordant with the upper surface of first accommodation space 11; Be provided with a through hole 722 in the ferrocart core 72, pen core 71 is arranged in this through hole 722.

One pen core seat 8 fits tightly in ferrocart core 72 tops, and when ferrocart core 72 was standard size, pen core seat 8 was contained in second accommodation space 12 fully; Pen core seat 8 is hollow cylindrical, and the middle part, lower end of pen core seat 8 is provided with connecting hole 81, and the upper center of pen core seat 8 is provided with fixed orifice 83; Pen core seat 8 is provided with a radially outside block 84 that is provided with that protrudes near the position at middle part; The radial dimension of block 84 is formed with spacing 14 greater than the internal diameter of the installation portion 31 of the shaft of a writing brush 3 between the block 84 of pen core seat 8 and the stop surface 34 of the shaft of a writing brush 3.

One pen core 71, pen core 71 are arranged in the through hole 722 of ferrocart core 72, and its upper end passes the through hole 722 of ferrocart core 72, is plugged in the connecting hole 81 of pen core seat 8, is provided with elastic body 82 in the connecting hole 81, with fixedly connected pen core 71; When the physical length of ferrocart core 72 is longer than or is shorter than standard length, regulate the degree of depth in the connecting hole 81 that pen core 71 is plugged in pen core seat 8, pen core seat 8 and ferrocart core 72 are fitted tightly, the degree of depth of the connecting hole 81 of pen core seat 8 must can fit tightly to guarantee pen core seat 8 and ferrocart core 72 greater than the error of ferrocart core 72 length; The lower end of pen core 71 is provided with nib 712, and lower house 2 is exposed in nib 712 perforation 55 of passing a cabin 5, and the radial dimension of nib 712 is greater than the diameter of through hole 722, and the upper surface of nib 71 is against the lower surface of ferrocart core 72.

One elastic conduction particle 91 adds rubber by carbon dust and is formed, and is contained in second accommodation space 12; Its lower end is provided with right cylinder 93, and right cylinder 93 places in the fixed orifice 83 of pen core seat 8, and its slightly larger in diameter is in the diameter of the fixed orifice 83 of pen core seat 8, and elastic conduction particle 91 is fixed in pen core seat 8 tops.Its upper end is provided with spherical 95 and platform 97, and spherical 95 forms a touch switch with first pcb board, 82 corresponding settings; And spherical 95 does not contact with first pcb board 82 under the situation of external force not being subjected to, and touch switch is closed (OFF).

One spring 92 is sheathed on the elastic conduction particle 91, and the one end contacts with the platform 97 of elastic conduction particle 91, and the other end contacts with first pcb board 82.

Consult Fig. 2 and Fig. 3, a cabin 5 of being with outer spiral shell bud 53 second accommodation space 12 that forms that combines with the shaft of a writing brush 3 of spiral shell bud 33 in the band is written structure 1 movable scope, length after its length should make up with elastic conduction particle 91 according to pen core 71, ferrocart core 72, pen core seat 8 is done suitable adjustment, to guarantee the best actuating length of touch switch.When the physical length of ferrocart core 92 is longer than standard length, can be with a cabin 5 backspins; When the physical length of ferrocart core 92 is shorter than standard length, can will revolve on the cabin 5, guarantee the best actuating length of touch switch with the best scope of activities of keeping written structure 1, can not change to some extent because of the change of ferrocart core 72 physical lengths.

The setting of the block 84 of pen core seat 8, make that the movable scope of written structure 1 is the spacing of block 84 with the stop surface 34 of the shaft of a writing brush 3 of pen core seat 8, when written structure 1 is range, the block 84 of pen core seat 8 is resisted against the stop surface 34 of the shaft of a writing brush 3, but its advantage is the scope of limit pen core print seat 8 elasticity of compression conducting particless 91 and produces elastic fatigue to avoid elastic conduction particle 91, in the time of also can guaranteeing to change pen core 71, pen core 71 can be inserted into fixed point.

Consult Fig. 4 and Fig. 5, first pcb board, 82 horizontal fixed are in the upper end of the mounting blocks 30 of the shaft of a writing brush 3, have first surface 86 and second surface 88, first surface 86 is provided with the core circle, cylindrical 862 contacts with spring 92, in circle 88 and elastic conduction particle 91 with core but do not contact, second surface 88 is provided with two independent solder joints (not shown), is connected with cylindrical 862, the interior circle 864 of first surface 86 respectively.

Second pcb board, 84 vertical fixing electrically connect on the shaft of a writing brush 3 and with battery 20, second pcb board 84 has the electronic circuit and the switches set (not shown) of a control oscillation frequency and oscillatory circuit action, and this oscillatory circuit and coil electrically connect and can change oscillation frequency according to ON, the OFF situation of switches set; Two independent solder joints of first pcb board 82 are connected to the electronic circuit on second pcb board 84, and first pcb board 82 and second pcb board 84 electrically connect; The circuit setting of first pcb board 82 and second pcb board 84 can be passed through existing techniques in realizing.

Consult Fig. 1, upper shell 2 encircles 40 with lower house 4 by pen fixedlys connected, and pen ring 40 combines the gap that the back produces because of adjustment for adjustable structure is used for compensating a cabin 5 with the shaft of a writing brush 3, to guarantee the driving fit of lower house 4 and upper shell 2.

Consult Fig. 4, when wireless pen was write on digiboard or painted, nib 712 was subjected to the external force effect, and when nib 712 was subjected to external force less than the elastic force of spring 92, elastic conduction particle 91 did not contact with first pcb board 82, and touch switch is in closed condition (OFF); When this nib 712 is subjected to external force greater than the elastic force of spring 92, pen core 71 drives ferrocart core 72, pen core seat 8 moves up and oppresses elastic conduction particle 91, elastic conduction particle 91 contacts with first pcb board 82, touch switch is opened (ON), the electronic circuit starting oscillation, simultaneously, 91 distortion of elastic conduction particle make the ferrocart core 72 and the relative position of coil 13 change, cause the inductance value of this coil 13 to change, and change the oscillation frequency of oscillating electron circuit.

The beneficial effect of wireless pen of the present utility model: at first: the design of pen core seat can make elastic conduction particle, ferrocart core, pen core be combined into one preferably, the degree of depth of the connecting hole of pen core seat has guaranteed that by the degree of depth of adjusting pen core insertion connecting hole pen core seat and ferrocart core can fit tightly greater than the error of ferrocart core length.Secondly, can do suitable adjustment to a cabin with the length that combines of the shaft of a writing brush of being with interior spiral shell bud according to the length after pen core, ferrocart core, pen core seat and the combination of elastic conduction particle, make the scope of activities of written structure not change and guarantee the best actuating length of touch switch because of the length of ferrocart core with outer spiral shell bud; Once more, the movement travel that may command nib structure is set of the block of pen core seat, and the scope of limit pen core print seat elasticity of compression conducting particles produces elastic fatigue to avoid the elastic conduction particle, and in the time of also can guaranteeing to change pen core, pen core can be inserted into pen core seat allocation really; At last, the design of pen ring can adapt to the variation of written structure length and guarantee lower house and upper shell driving fit mutually.In sum, wireless pen of the present utility model simple in structure, reliable, the best stroke of the scope of activities of written structure and touch switch can be regulated accordingly, makes that the reaction of oscillatory circuit of wireless pen is more sensitive, the signal transmission is more stable.

The above; for the person of ordinary skill of the art; can make other various corresponding changes and distortion according to the technical solution of the utility model and technical conceive, and all these changes and distortion all should belong to the protection domain of the utility model accompanying Claim.

Claims

1, a kind of wireless pen is characterized in that, comprising: upper shell, the lower house that is equipped with upper shell and be contained in the written structure and first pcb board in the lower house, and written structure comprises:

One elastic conduction particle, be contained in second accommodation space, its lower end is provided with right cylinder, right cylinder places in the fixed orifice of pen core seat, and the elastic conduction particle is fixed in pen core seat top, and its upper end is provided with spherical and platform, be provided with corresponding with first pcb board of spherical forms a touch switch, and spherical does not contact with first pcb board, and touch switch is closed;

When this nib was subjected to external force greater than the elastic force of spring, pen core drove ferrocart core, the pen core seat compressing elastic conduction particle that moves up, and the elastic conduction particle contacts with first pcb board, the touch switch unlatching.

2, wireless pen according to claim 1 is characterized in that, the outside in a cabin is provided with groove, and a coil is wound in this groove.

3, wireless pen according to claim 2, it is characterized in that, described first pcb board has first surface and second surface, first surface is provided with the core circle, cylindrical contacts with spring, in circle and elastic conduction particle with core but do not contact, second surface is provided with two independent solder joints, is connected with the cylindrical of first surface, interior justifying respectively.

4, wireless pen according to claim 3 is characterized in that, also comprises being contained in second pcb board in the upper shell and being contained in the interior battery of upper shell; The second pcb board vertical fixing electrically connects on the shaft of a writing brush and with battery, second pcb board has the electronic circuit and the switches set of a control oscillation frequency and oscillatory circuit action, this oscillatory circuit and coil electrically connect also, can change oscillation frequency according to ON, the OFF situation of switches set; Two independent solder joints of described first pcb board are connected to the electronic circuit on second pcb board, and first pcb board and second pcb board electrically connect; When being subjected to external force, this pen core moves up, by ferrocart core and pen core seat compressing elastic conduction particle, the elastic conduction particle contacts with first pcb board, touch switch ON, the electronic circuit starting oscillation, simultaneously, the distortion of elastic conduction particle makes the relative position of ferrocart core and coil change, cause the inductance value of this coil to change, and change the oscillation frequency of oscillating electron circuit.

5, wireless pen according to claim 1, it is characterized in that, a cabin of being with outer spiral shell bud second accommodation space that forms that combines with the shaft of a writing brush of spiral shell bud in the band is the movable scope of written structure, its length should be done suitable adjustment according to the length after pen core, ferrocart core, pen core seat and the combination of elastic conduction particle, the change because of the ferrocart core physical length does not change to some extent, to guarantee the best actuating length of touch switch.

6, wireless pen according to claim 5 is characterized in that, the degree of depth of the connecting hole of pen core seat is regulated the interior degree of depth of connecting hole that pen core is plugged in the pen core seat greater than the error of ferrocart core length, can fit tightly to guarantee pen core seat and ferrocart core.

7, wireless pen according to claim 6, it is characterized in that, the T-shaped hollow cylindrical of mounting blocks, extended the fixed part of setting downwards is made up of installation portion and installation portion, fixed part radially protrudes setting with respect to installation portion, described internal screw thread is located on the inwall of fixed part, and the fixed part inside bottom has a stop surface; The pen core seat is provided with a radially outside block that is provided with that protrudes near the position at middle part, is formed with spacing between the block of pen core seat and the stop surface of the shaft of a writing brush, and the written structure that is arranged so that of the block of pen core seat is movable scope with this spacing.

8, wireless pen according to claim 7 is characterized in that, described cabin is hollow tubular, is extended the connecting portion of setting by auxiliary section and auxiliary section downwards and forms, and external screw teeth is located on the outer wall of auxiliary section; First accommodation space is located in the connecting portion in a cabin, is provided with mating holes in the auxiliary section, and the radial dimension of mating holes is greater than the radial dimension of first accommodation space; The radial dimension of described nib is greater than the diameter of through hole, and the upper surface of nib is provided with elastic body in the connecting hole of described pen core seat, with fixedly connected pen core against the lower surface of ferrocart core.

9, wireless pen according to claim 1 is characterized in that, the elastic conduction particle adds rubber by carbon dust and formed.

10, wireless pen according to claim 1 is characterized in that, upper shell is fixedlyed connected by the pen ring with lower house.