CN209674339U - Telescopic active capacitance pen - Google Patents

Abstract

The utility model discloses a kind of telescopic active capacitance pens, including pen body, nib and switch block, the front end of pen body is arranged in nib, switch block is located at the other end of pen body, the diameter of nib is 0.5-1.5mm, the rear end of nib is linked together using lira component with pen body, lira component includes protection shell, lira part and spring, pcb board is equipped with inside pen body, the middle part of one end that pcb board is connect with nib is equipped with rectangular recess, spring is arranged in rectangular recess, one end of spring is fixed on pcb board, the other end is fixedly connected with nib, protect shell around the nib, lira part is rotated in the effect of external force, spring is cooperated to realize the stretching and contraction of nib.Nib can effectively can be received into protective shell body by the application when not in use, can effectively be protected to nib, be prevented the nib of capacitance pen from damaging.

Description

Telescopic active capacitance pen

Technical field

The utility model relates to capacitance pen field more particularly to a kind of telescopic 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 electricity Rong Biruo uses the nib less than 4mm, then is unable to reach the effect of touch control capacitance screen.

Utility model content

Shortcoming present in view of the above technology, the utility model provide a kind of telescopic active capacitance pen, overcome Traditional nib diameter is big, the inaccurate disadvantage of touch point；Nib can be tidied up in pen body simultaneously to protect the flexible of nib Formula active capacitance pen.

To achieve the above object, the utility model provides a kind of telescopic active capacitance pen, including pen body, nib and switch The front end of the pen body is arranged in component, the nib, and the switch block is located at the other end of the pen body, the nib Diameter is 0.5-1.5mm, and the rear end of the nib is linked together using lira component with the pen body, the lira component packet Protection shell, lira part and spring are included, pcb board is equipped with inside pen body, the middle part of one end that the pcb board is connect with nib is equipped with Rectangular recess, the spring are arranged in rectangular recess, and one end of the spring is fixed on pcb board, the other end and the pen Head is fixedly connected, and the protection shell is rotated around the nib, the lira part in the effect of external force, cooperates the bullet Spring realizes the stretching and contraction of nib.

Preferably, the protection shell in the lira component is circular platform type structure, the inside of the protection shell is equipped with Screw thread；The lira part is center through-hole structure, is equipped with threaded rod in through-hole, is connected lira part and threaded rod using reset spring It is connected together, the side that the threaded rod is bonded the pcb board is connected with baffle, and the length of the baffle is greater than the lira part Through-hole diameter, the other end of the threaded rod is pierced by the lira part, is screwed in together with protection shell.

Preferably, the upper end of the lira part is equipped with bolt, there are two the bolt is set, the bolt towards phase Instead, about the center of circle central symmetry of lira part, bolt is the triangular pyramidal of inclined-plane upward.

Preferably, the pen body includes pen body shell, shell of revolution and the pcb board for being placed in pen body interior of shell, institute It states pcb board and is equipped with through-hole close to the side of nib, the pcb board is equipped with signal generating circuit, the shell of revolution and lira part It is fixedly connected, is again provided with reset spring between the pcb board and pen body shell.

Preferably, the pen body shell is equipped with elongated opening, suspender, the suspension are equipped at the elongated opening Part is fixedly connected by the elongated opening with the PCB main board.

Preferably, the outside of the lira part is equipped with the fixed block of protrusion, the shell of revolution inside is equipped with and fixed block Compatible fixing groove, the fixed block are clamped in fixing groove, and shell of revolution is fixedly connected with lira part.

Preferably, the upper 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 that press-type switch and control panel, the control panel electrically connect with the pcb board It connects, is additionally provided with power supply by the control panel.

Preferably, the protection shell is linked together by internal whorl and lira bar, the material of the protection shell Material is one of plastic cement, metal.

The beneficial effects of the utility model are: compared with prior art, there are two technical solution tools provided herein Characteristic point controls the power supply of entire circuit first with control switch, to can effectively reduce when not using capacitance pen Waste to electricity, so that the battery of capacitance pen is more permanent；Secondly, can effectively realize nib using lira component It is flexible, effectively nib can be received into protective shell body when not in use, effectively nib can be protected.

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；

The cross section view of the position Fig. 4 the utility model.

Main element symbol description is as follows:

1, written 2, lira component

3, pen body 4, switch block

21, shell 22, lira part are protected

23, spring 24, threaded rod

25, baffle 31, shell of revolution

32, shell 33, suspender

34, pcb board 41, switch housing

42, control panel 43, press-type switch

44, button cap 45, power supply

221, bolt 321, elongated opening

341, through-hole.

Specific embodiment

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

Please refer to Fig. 1 and Fig. 2, a kind of telescopic active capacitance pen of the utility model, including pen body 3, nib 1 and switch The front end of pen body 3 is arranged in component 4, nib 1, and switch block 4 is located at the other end of pen body 3, and the diameter of nib 1 is 0.5- The rear end of 1.5mm, nib 1 are linked together using lira component 2 with pen body 3, and lira component 2 includes protection shell 21, lira Part 22 and spring 23, are equipped with pcb board 34 inside pen body 3, the middle part of one end that pcb board 34 is connect with nib 1 equipped with rectangular recess, Spring 23 is arranged in rectangular recess, and one end of spring 23 is fixed on pcb board 34, and the other end is fixedly connected with nib 1, protects Around nib 1, lira part 22 rotates shell 21 in the effect of external force, and cooperation spring 23 realizes the stretching and contraction of nib. In the present embodiment, by nib diameter design become 0.5-1.5mm, in this way carry out in use, the precision of contact point more Height is selected using 0.7mm as optimum diameter；As active capacitance pen, inside is with power supply and control panel, thus mould The effect of human finger is drawn up, in order to save electricity, switch block is especially set, capacitance pen power supply is realized using switch block Opening and closing power supply indicator can be set to save electricity, while in order to be more convenient to understand power supply state in which Etc. come the charge condition that indicates power supply, so that user be facilitated to obtain relevant message in time, these should also be included in the guarantor of the application Protect range.

Fig. 3 and Fig. 4 are please referred to, is especially circular platform type by the protection shell 21 in lira component 2 to achieve the goals above Structure protects being internally threaded for shell；Lira part 22 is center through-hole structure, threaded rod 24 is equipped in through-hole, using multiple Position spring part lira part 22 links together with threaded rod 24, and the side that threaded rod 24 is bonded pcb board 34 is connected with baffle 25, The length of baffle 25 is greater than the through-hole diameter of lira part 22, and the other end of threaded rod 24 is pierced by lira part 22, with protection shell 21 It is screwed on together.The upper end of lira part 22 is equipped with bolt 221, and there are two bolt 221 is set, the direction of bolt 221 is on the contrary, about rotation The center of circle central symmetry of line part 22, the triangular pyramidal of the inclined-plane of bolt 221 upward；In the present embodiment, shell will be protected first Be designed to circular platform type structure, nib is stretched out from one end of rotary table, this design so that meet writing style, rotary table leading portion compared with It is small, also it is able to achieve the fixation to nib；Shell is protected using shaft, so that entire lira component is sliceable one It rises, connection is more firm；The presence of baffle ensure that threaded rod can not be detached from lira part.

Pen body 3 includes that pen body shell 32, shell of revolution 31 and the pcb board 34 being placed in inside pen body shell 32, pcb board 34 lean on The side of nearly nib is equipped with through-hole 341, and pcb board 34 is equipped with signal generating circuit, same between pcb board 34 and pen body shell 32 Equipped with reset spring, shell of revolution 31 is connect with internal lira part 22 by reset spring；32 shell of pen body is equipped with elongated open Mouthfuls 321, suspender 33 is equipped at elongated opening 321, and suspender 33 is fixedly connected by elongated opening 321 with PCB main board 34, rotation The outside of line part 22 is equipped with the fixed block of protrusion, is equipped with fixing groove compatible with fixed block, fixed block card on the inside of shell of revolution 31 It accesses in fixing groove, shell of revolution 31 is fixedly connected with lira part 22, in the present embodiment, suspender is especially set, on the one hand More convenient to carry out storage placement to entire capacitance pen, another convenience drives pcb board to be moved using suspender, thus Realize the stretching of nib.

The upper end of pen body 3, including switch housing 41, control switch and button cap 44, control switch is arranged in switch block 4 It is placed in the inside of switch housing 41, the fitting of button cap 44 is arranged in control switch, is socketed on switch housing 41, control switch packet Press-type switch 43 and control panel 42 are included, control panel 42 and pcb board 35 are electrically connected, and are additionally provided with power supply 45 by control panel；Protection Shell 21 is linked together by internal whorl with lira bar 24, according to different use conditions, protection shell can be carried out Replacement selects the protection shell of plastic cement, metal to replace extremely simple convenience due to the effect of screw thread.

The application realizes that the stretch mode of nib is as follows: under the drive of suspender, entire PCB plate is moved downward, spring It is compressed, since the upper surface of bolt is bevel structure, under the extruding of pcb board, a degree of rotation occurs for lira part, from And pcb board moves downward the snibbing position for being inserted into lira part, at this time under the action of reset spring, lira part returns to initial bit It sets, bolt is inserted into the through-hole on pcb board, and pcb board is fixed, and pcb board is in lockup state at this time, and nib is in spring Drive the lower protection zone for stretching out protection shell；After usage, by rotating rotational shell, rotational shell drives lira part It rotates, so that bolt to be detached to the through-hole of pcb board, makees jointly in spring and the reset spring being arranged on pcb board at this time Under, pcb board is moved upwards, and then rotational shell returns to initial position under the drive of reset spring, when spring restores initial When state, pen tip is driven to return in protective shell body, to realize the contraction of pen tip.

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 (8)

1. a kind of telescopic active capacitance pen, which is characterized in that including pen body, nib and switch block, the nib setting exists The front end of the pen body, the switch block are located at the other end of the pen body, and the diameter of the nib is 0.5-1.5mm, institute The rear end for stating nib is linked together using lira component with the pen body, and the lira component includes protection shell, lira part And spring, pen body inside are equipped with pcb board, the middle part of one end that the pcb board is connect with nib is equipped with rectangular recess, the spring It is arranged in rectangular recess, one end of the spring is fixed on pcb board, and the other end is fixedly connected with the nib, the guarantor Protective case body is rotated around the nib, the lira part in the effect of external force, and the spring is cooperated to realize the stretching of nib With contraction.

2. telescopic active capacitance pen according to claim 1, which is characterized in that the protection shell in the lira component For circular platform type structure, the protection shell is internally threaded；The lira part is center through-hole structure, is equipped with spiral shell in through-hole Rasp bar is linked together lira part with threaded rod using reset spring, and the threaded rod is bonded the side connection of the pcb board There is baffle, the length of the baffle is greater than the through-hole diameter of the lira part, and the other end of the threaded rod is pierced by the lira Part is screwed in together with protection shell.

3. telescopic active capacitance pen according to claim 2, which is characterized in that the upper end of the lira part, which is equipped with, inserts Pin, there are two the bolt is set, on the contrary, center of circle central symmetry about lira part, bolt is inclined-plane court for the direction of the bolt On triangular pyramidal.

4. telescopic active capacitance pen according to claim 1, which is characterized in that the pen body includes pen body shell, rotation Transcapsidation and the pcb board for being placed in pen body interior of shell, the pcb board is equipped with through-hole close to the side of nib, on the pcb board Equipped with signal generating circuit, the shell of revolution is fixedly connected with lira part, is again provided between the pcb board and pen body shell multiple Position spring.

5. telescopic active capacitance pen according to claim 4, which is characterized in that the pen body shell is equipped with elongated open Mouthful, suspender is equipped at the elongated opening, the suspender is fixedly connected by the elongated opening with the PCB main board.

6. telescopic active capacitance pen according to claim 1, which is characterized in that the outside of the lira part is equipped with protrusion Fixed block, fixing groove compatible with fixed block is equipped on the inside of shell of revolution, the fixed block is clamped in fixing groove, will rotate Shell is fixedly connected with lira part.

7. telescopic active capacitance pen according to claim 1, which is characterized in that the switch block is arranged in the pen The upper end of body, including switch housing, control switch and button cap, the control switch are placed in the inside of the switch housing, institute It states button cap fitting to be arranged in the control switch, be socketed on the switch housing, the control switch includes that press-type is opened It closes and control panel, the control panel and the pcb board is electrically connected, be additionally provided with power supply by the control panel.

8. telescopic active capacitance pen according to claim 1, which is characterized in that the protection shell passes through internal whorl It links together with lira bar, the material of the protection shell is one of plastic cement, metal.