CN215264739U - Capacitance pen - Google Patents

Abstract

The utility model discloses an electric capacity pen, nib subassembly in fixed knot constructs and locates the fixed knot, and fixed knot constructs including the pen-holder, and the nib subassembly includes nib axle and strain sensor, and strain sensor includes the elastomer and locates the strainometer on the elastomer, and the elastomer is the Z style of calligraphy, is equipped with the windowing on the elastomer, is equipped with the stationary blade in the windowing, and the elastomer passes through the stationary blade to be fixed at the nib epaxially, and fixed knot constructs is connected respectively at the both ends of elastomer. The capacitance pen is provided with the Z-shaped elastic body, is novel and practical in structure, can effectively solve the problem that the strain gauge has large deformation difference under the same load condition when different writing angles are adopted, and achieves the same using effect and experience as the U-shaped elastic body; by adopting the elastomer, the strain linear relation of the capacitance pen is improved under the conditions of different writing angles and inclination angles, and the capacitance pen has great advantages in subsequent chip design selection.

Description

Capacitance pen

Technical Field

The utility model relates to a touch control controlgear technical field especially relates to an electric capacity pen.

Background

With the increasing popularization of capacitive screens, more and more electronic products such as tablet computers, mobile phones and navigators begin to use the capacitive screens for operation control, and although the capacitive screens can be touched by fingers, the display screens are easily polluted due to the pollution of the fingers, the touch control precision of the fingers is not good, and some professionals cannot achieve the required precision by the fingers, so more and more consumers seek high-quality capacitive pens to operate the touch screens.

The existing capacitance pen generally comprises a pen holder, a pen point assembly, a battery, an antenna, a main control panel and the like, wherein the pen point assembly, the battery, the antenna, the main control panel and the like are arranged in the pen holder, the pen point assembly comprises a pen point shaft, and a strain sensor and an electrode assembly which are respectively arranged on the pen point shaft, and the strain sensor comprises an elastic body and a strain gauge arranged on the elastic body.

Hua for all having applied for relevant patent protection in the aspect of the electric capacity pen structure with the apple company, wherein Hua for the problem that different angles of writing, the relation difference between load and strainometer deformation is big can effectively be solved to a U type elastomer that the company proposed, for avoiding the patent of friend, the applicant has proposed the electric capacity pen of a novel structure.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: a capacitance pen with a novel structure is provided.

In order to solve the technical problem, the utility model discloses a technical scheme be: the electric capacity pen, including fixed knot structure with locate the nib subassembly in the fixed knot structure, fixed knot structure includes the pen-holder, the nib subassembly includes nib axle and strain sensor, strain sensor includes the elastomer and locates the strainometer on the elastomer, the elastomer is the Z style of calligraphy, is equipped with the windowing on the elastomer, is equipped with the stationary blade in the windowing, the elastomer passes through the stationary blade to be fixed at the nib epaxially, fixed knot structure is connected respectively at the both ends of elastomer.

Furthermore, the elastomer includes consecutive first arm, second arm and third arm, the windowing is located on the second arm, the strainometer is located on the first arm, and the second arm is the acute angle setting with the third arm.

Furthermore, a hole groove is formed in the pen point shaft, and one end, far away from the second arm, of the third arm penetrates through the hole groove.

Further, the first arm is parallel to the third arm.

Further, a partial area of the peripheral wall of the fixing piece is connected to the side wall of the window.

Further, the fixing plate and the second arm are of an integrated structure.

Further, the nib shaft includes a flat plate portion, and the fixing piece is fixed on the flat plate portion.

Furthermore, the flat plate part is provided with a limiting convex strip.

Further, the nib assembly further comprises an electrode assembly disposed on the nib shaft, and the strain gauge is disposed away from the electrode assembly.

Furthermore, the fixing structure further comprises a pen bracket arranged in the pen holder and/or a shielding component arranged in the pen holder.

The beneficial effects of the utility model reside in that: the capacitance pen is provided with the Z-shaped elastic body, is novel and practical in structure, can effectively solve the problem that the strain gauge has large deformation difference under the same load condition when different writing angles are adopted, and achieves the same using effect and experience as the U-shaped elastic body; by adopting the elastomer, the strain linear relation of the capacitance pen is improved under the conditions of different writing angles and inclination angles, and the capacitance pen has great advantages in subsequent chip design selection.

Drawings

Fig. 1 is an exploded view of a capacitance pen according to a first embodiment of the present invention;

fig. 2 is a schematic structural diagram of a pen tip assembly in an electric capacitance pen according to a first embodiment of the present invention.

Description of reference numerals:

1. a pen holder;

2. a nib assembly; 21. a nib shaft; 211. a flat plate portion; 212. a hole groove; 213. limiting convex strips; 22. an electrode assembly; 23. a strain sensor; 231. an elastomer; 2311. a first arm; 2312. a second arm; 23121. windowing; 23122. a fixing sheet; 2313. a third arm; 232. a strain gauge;

3. a main control board;

4. a battery;

5. an antenna assembly;

6. a pen holder; 61. a window;

7. a shield assembly.

Detailed Description

In order to explain the technical content, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.

Referring to fig. 1 and 2, the capacitive pen includes a fixing structure and a pen point assembly 2 disposed in the fixing structure, the fixing structure includes a pen holder 1, the pen point assembly 2 includes a pen point shaft 21 and a strain sensor 23, the strain sensor 23 includes an elastic body 231 and a strain gauge 232 disposed on the elastic body 231, the elastic body 231 is Z-shaped, a window 23121 is disposed on the elastic body 231, a fixing plate 23122 is disposed in the window 23121, the elastic body 231 is fixed on the pen point shaft 21 by the fixing plate 23122, and two ends of the elastic body 231 are respectively connected to the fixing structure.

From the above description, the beneficial effects of the present invention are: the capacitance pen is provided with the Z-shaped elastic body 231, is novel and practical in structure, can effectively solve the problem that the strain gauge 232 has large deformation difference under the same load condition when different writing angles are adopted, and achieves the same using effect and experience as the U-shaped elastic body 231; by adopting the elastic body 231, the strain linear relation of the capacitance pen is improved under the conditions of different writing angles and inclination angles, and the capacitance pen has great advantages in subsequent chip design selection.

Further, the elastic body 231 includes a first arm 2311, a second arm 2312 and a third arm 2313 which are connected in sequence, the window 23121 is disposed on the second arm 2312, the strain gauge 232 is disposed on the first arm 2311, and the second arm 2312 and the third arm 2313 are disposed at an acute angle.

As can be seen from the above description, the joint between the second arm 2312 and the third arm 2313 forms an overhead buffer structure, which is beneficial to improving the service life of the elastic body 231.

Further, the nib shaft 21 is provided with a hole 212 for passing through an end of the third arm 2313 away from the second arm 2312.

As can be seen from the above description, the third arm 2313 penetrates through the nib shaft 21 through the hole 212, so as to facilitate the layout design of the internal components of the capacitive pen.

Further, the first arm 2311 is parallel to the third arm 2313.

Further, a partial area of the peripheral wall of the fixing piece 23122 is connected to the side wall of the window 23121.

Further, the fixing plate 23122 and the second arm 2312 are of an integral structure.

As can be seen from the above description, the fixing piece 23122 is a region scribed on the second arm 2312, and is easy to machine.

Further, the nib shaft 21 includes a flat plate portion 211, and the fixing piece 23122 is fixed on the flat plate portion 211.

Further, the flat plate portion 211 is provided with a limit protruding strip 213.

As can be seen from the above description, the positioning protrusion 213 can function as a positioning protrusion for the second arm 2312, so as to facilitate the assembly of the elastic body 231 and the nib shaft 21, and improve the consistency of the product.

Further, the nib assembly 2 further includes an electrode assembly 22 disposed on the nib shaft 21, and the strain gauge 232 is disposed away from the electrode assembly 22.

Further, the fixing structure further comprises a pen support 6 arranged in the pen holder 1 and/or a shielding component 7 arranged in the pen holder 1.

As can be seen from the above description, the specific mounting positions of the end portions of the elastic bodies 231 are various and can be set as required, which is beneficial to enriching the diversity of the capacitance pens.

Example one

Referring to fig. 1 and fig. 2, a first embodiment of the present invention is: the capacitance pen can be used for touch control equipment such as a touch control operation mobile phone, a tablet personal computer and a navigator.

The capacitance pen comprises a fixed structure, the fixed structure comprises a pen holder 1, a pen point component 2, a chip component (not shown), a main control board 3, a battery 4 and an antenna component 5 are arranged in the pen holder 1, the antenna component 5, the chip component and the battery 4 are respectively electrically connected with the main control board 3, the pen point component 2 is located at the head of the pen holder 1, in this embodiment, the fixing structure further includes a pen support 6 and a shielding component 7, the pen support 6 and the shielding component 7 are respectively arranged in the pen holder 1, the pen support 6 is connected with the pen point component 2, shielding subassembly 7 covers and establishes nib subassembly 2 is in order to shield nib subassembly 2, antenna module 5 the main control board 3 with battery 4 fixes respectively on pen support 6, specifically, nib subassembly 2 pass through shielding subassembly 7 with pen support 6 is connected fixedly. It should be noted that, in some other embodiments, the pen holder 6 and/or the shielding assembly 7 may not be provided in the fixing structure, and in this case, the pen tip assembly 2, the antenna assembly 5, the main control board 3, and the battery 4 may be directly fixed on the pen barrel 1.

For convenient charging, be equipped with wireless charging module on the main control board 3, wireless charging module with the main control board 3 electricity is connected, have on the pen support 6 corresponding to the window 61 that wireless charging module set up.

Specifically, the nib assembly 2 includes a nib shaft 21, an electrode assembly 22 and a strain sensor 23, the electrode assembly 22 is electrically connected to the chip assembly, the strain sensor 23 includes an elastic body 231 and a strain gauge 232 disposed on the elastic body 231, the strain gauge 232 is disposed away from the electrode assembly 22, the chip assembly is electrically connected to the strain gauge 232 and the electrode assembly 22, the elastic body 231 is in a Z shape, a window 23121 is disposed on the elastic body 231, a fixing plate 23122 is disposed in the window 23121, the elastic body 231 is fixed on the nib shaft 21 by the fixing plate 23122, and two ends of the elastic body 231 are connected to the fixing structures respectively.

More specifically, the elastic body 231 includes a first arm 2311, a second arm 2312 and a third arm 2313 which are connected in sequence, the first arm 2311 is parallel to the third arm 2313, one end of the first arm 2311 away from the second arm 2312 and one end of the third arm 2313 away from the second arm 2312 are respectively connected and fixed with the fixing structure, the window 23121 is arranged on the second arm 2312, the strain gauge 232 is arranged on the first arm 2311, and the second arm 2312 and the third arm 2313 are arranged at an acute angle. In order to optimize the layout of the internal space of the capacitive pen, the nib shaft 21 is provided with a hole 212 for passing through one end of the third arm 2313 away from the second arm 2312.

Preferably, the nib shaft 21 includes a flat plate portion 211, the fixing plate 23122 is fixed on the flat plate portion 211, the hole groove 212 is disposed on the flat plate portion 211, the flat plate portion 211 is provided with two limiting protruding strips 213 for limiting the second arm 2312, the number of the limiting protruding strips 213 is two, and a partial area of the second arm 2312 and the fixing plate 23122 are located between the two limiting protruding strips 213.

In detail, the first arm 2311 and the third arm 2313 are respectively welded and fixed to the shielding assembly 7, and the fixing piece 23122 is welded and fixed to the flat plate portion 211. In other embodiments, the first arm 2311/the third arm 2313 can also be directly fixed on the pen bracket 6 or the pen holder 1, and the specific fixing mode can be selected from screw joint, glue joint, clamping and the like; the fixing piece 23122 can also be fixedly connected with the nib shaft 21 by adopting fixing modes such as screw connection, glue connection, clamping connection and the like.

As a preferable embodiment, a partial area of the peripheral wall of the fixing piece 23122 is connected to the side wall of the window 23121, and it is further preferable that the fixing piece 23122 is integrally formed with the second arm 2312. It can be seen that in this embodiment, the fixing tab 23122 is substantially a partial area of the second arm 2312, and is very convenient to process.

Example two

The embodiment of the utility model discloses a second is the further improvement that provides pen stand on the basis of embodiment one, specifically is: the pen support is a metal injection molding structural part, so that design and manufacture of the pen support structure can be facilitated.

To sum up, the capacitance pen provided by the utility model has the Z-shaped elastic body, has novel and practical structure, can effectively solve the problem that the strain gauge has large deformation difference under the same load condition when different writing angles are adopted, and achieves the same use effect and experience as the U-shaped elastic body; the Z-shaped elastomer is easy to process and manufacture and long in service life, and the strain linear relation of the capacitance pen is improved under the conditions of different writing angles and inclination angles, so that the capacitance pen has great advantages in subsequent chip design and model selection.

The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.

Claims (10)

1. Electric capacity pen, including fixed knot structure and the nib subassembly of locating in the fixed knot structure, fixed knot structure includes the pen-holder, and the nib subassembly includes nib axle and strain sensor, and strain sensor includes the elastomer and locates the strainometer on the elastomer, its characterized in that: the elastic body is Z-shaped, a window is arranged on the elastic body, a fixing piece is arranged in the window, the elastic body is fixed on the pen point shaft through the fixing piece, and two ends of the elastic body are respectively connected with the fixing structures.

2. The capacitive stylus of claim 1, wherein: the elastomer is including consecutive first arm, second arm and third arm, the windowing is located on the second arm, the strainometer is located on the first arm, and the second arm is the acute angle setting with the third arm.

3. The capacitive stylus of claim 2, wherein: and a hole groove for allowing one end of the third arm far away from the second arm to pass through is formed in the pen point shaft.

4. The capacitive stylus of claim 2, wherein: the first arm is parallel to the third arm.

5. The capacitive stylus of claim 2, wherein: a partial region of the peripheral wall of the fixing piece is connected to the side wall of the window.

6. The capacitive stylus of claim 5, wherein: the fixing piece and the second arm are of an integrated structure.

7. The capacitive stylus of claim 1, wherein: the pen point shaft comprises a flat plate part, and the fixing piece is fixed on the flat plate part.

8. The capacitive stylus of claim 7, wherein: the flat plate part is provided with a limiting convex strip.

9. The capacitive stylus of claim 1, wherein: the nib assembly further includes an electrode assembly disposed on the nib shaft, the strain gauge being disposed remotely from the electrode assembly.

10. The capacitive stylus of claim 1, wherein: the fixing structure further comprises a pen support arranged in the pen holder and/or a shielding component arranged in the pen holder.

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