CN215895415U

CN215895415U - Capacitance pen

Info

Publication number: CN215895415U
Application number: CN202121867958.2U
Authority: CN
Inventors: 祝纯婷; 付松; 徐颖龙
Original assignee: Shenzhen Sunway Communication Co Ltd
Current assignee: Shenzhen Sunway Communication Co Ltd
Priority date: 2021-08-10
Filing date: 2021-08-10
Publication date: 2022-02-22
Anticipated expiration: 2031-08-10

Abstract

The utility model discloses a capacitance pen, which comprises a fixing structure and a pen point assembly arranged in the fixing structure, wherein the fixing structure comprises a pen holder, the pen point assembly comprises a pen point shaft and a strain gauge, the pen point shaft comprises a main body, the pen point shaft further comprises an elastic strain part connected with the main body, one end, far away from the main body, of the elastic strain part is connected with the fixing structure, and the strain gauge is arranged on the elastic strain part. The nib subassembly in this electric capacity pen has cancelled the setting of elastomer, directly sets up the strainometer on the nib axle, not only reduces the consumption of elastomer raw and other materials, and material saving cost need not to weld elastomer and nib axle moreover, has simplified the assembly process of nib subassembly, does benefit to the assembly efficiency who improves the nib subassembly to reduce the assembly cost of electric capacity pen.

Description

Capacitance pen

Technical Field

The utility model relates to the technical field of capacitive touch equipment, in particular to a capacitive 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. Since the elastic body needs to be welded to the nib shaft and other parts, the processing time of the nib assembly is long, resulting in high manufacturing cost of the capacitive pen.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: a low cost capacitance pen is provided.

In order to solve the technical problems, the utility model adopts the technical scheme that: the utility model provides a capacitance pen, includes fixed knot structure and locates the nib subassembly in the fixed knot structure, and fixed knot structure includes the pen-holder, and the nib subassembly includes nib axle and strainometer, the nib axle includes the main part, the nib axle is still including connecting the elastic strain portion of main part, elastic strain portion keeps away from the one end of main part is connected fixed knot constructs, the strainometer is located elastic strain portion is last.

Further, the main body and the elastic strain part are of an integrally formed integrated structure.

Further, the elastic strain part is disposed near a tail end of the main body.

Furthermore, one end, far away from the main body, of the elastic strain part is welded, bonded, clamped or connected with the fixing structure through screws.

Further, the main part includes installation department and the flat plate part that links to each other, elastic strain portion with the flat plate part is kept away from the one end of installation department links to each other.

Further, the elastic strain portion is perpendicular to the flat plate portion.

Further, the thickness of the elastic strain portion is smaller than or equal to the thickness of the flat plate portion.

Further, still include with strainometer electric connection's chip subassembly, the relative two installation bosss that set up have on the dull and stereotyped portion, the chip subassembly is located on the installation boss, be equipped with the line hole on the dull and stereotyped portion, the line hole is located two between the installation boss.

Further, the nib assembly further includes an electrode assembly provided on the mounting part.

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 utility model has the beneficial effects that: the nib subassembly in this electric capacity pen has cancelled the setting of elastomer, directly sets up the strainometer on the nib axle, not only reduces the consumption of elastomer raw and other materials, and material saving cost need not to weld elastomer and nib axle moreover, has simplified the assembly process of nib subassembly, does benefit to the assembly efficiency who improves the nib subassembly to reduce the assembly cost of electric capacity pen.

Drawings

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

fig. 2 is a schematic structural diagram of a pen tip assembly in a capacitive pen according to a first embodiment of the utility model.

Description of reference numerals:

1. a pen holder;

2. a nib assembly; 21. a nib shaft; 211. a main body; 2111. an installation part; 2112. a flat plate portion; 21121. mounting a boss; 21122. a wire passing hole; 212. an elastic strain section; 22. a strain gauge; 23. an electrode assembly;

3. a main control board;

4. a battery;

5. an antenna assembly;

6. a pen holder; 61. a window;

7. a shielding assembly;

8. wireless module that charges.

Detailed Description

In order to explain technical contents, achieved objects, and 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, a capacitance 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 gauge 22, the pen point shaft 21 includes a main body 211, the pen point shaft 21 further includes an elastic strain portion 212 connected to the main body 211, one end of the elastic strain portion 212, which is far away from the main body 211, is connected to the fixing structure, and the strain gauge 22 is disposed on the elastic strain portion 212.

From the above description, the beneficial effects of the present invention are: the setting of elastomer has been cancelled to nib subassembly 2 among this electric capacity pen, directly sets up strainometer 22 on nib axle 21, not only reduces the consumption of elastomer raw and other materials, and material saving cost need not to weld elastomer and nib axle 21 in addition, has simplified the assembly process of nib subassembly 2, does benefit to the assembly efficiency who improves nib subassembly 2 to reduce the assembly cost of electric capacity pen.

Further, the main body 211 and the elastic strain part 212 are integrally formed into a single structure.

As can be seen from the above description, the nib shaft 21 has a simple structure and is easy to manufacture.

Further, the elastic strain part 212 is disposed near the rear end of the main body 211.

As is apparent from the above description, the head end of the main body 211 is used to mount the electrode assembly 23, and the tail end of the main body 211 is a suitable position for disposing the elastic strain part 212; more importantly, the location of strain gauge 22 at the rear of the nib assembly 2 allows the strain gauge 22 to better sense pressure changes in the nib assembly 2, thereby ensuring the sensitivity of the strain gauge 22 test.

Further, one end of the elastic strain part 212, which is far away from the main body 211, is welded, bonded, clamped or screwed with the fixing structure.

As can be seen from the above description, the connection manner of the elastic strain portion 212 and the fixing structure is various, which is beneficial to enriching the diversity of the capacitive pen.

Further, the main body 211 includes a mounting portion 2111 and a flat plate portion 2112 connected to each other, and the elastic strain portion 212 is connected to an end of the flat plate portion 2112 away from the mounting portion 2111.

Further, the elastic strain portion 212 is perpendicular to the flat plate portion 2112.

As can be seen from the above description, the elastic strain portion 212 is perpendicular to the flat plate portion 2112 to facilitate the machining of the nib shaft 21.

Further, the thickness of the elastic strain portion 212 is smaller than or equal to the thickness of the flat plate portion 2112.

As can be seen from the above description, the thickness of the elastic strain portion 212 is small, which is beneficial to ensure the elasticity of the elastic strain portion 212.

Furthermore, the strain gauge also comprises a chip component electrically connected with the strain gauge 22, the flat plate portion 2112 is provided with two mounting bosses 21121 arranged oppositely, the chip component is arranged on the mounting bosses 21121, the flat plate portion 2112 is provided with a wire passing hole 21122, and the wire passing hole 21122 is located between the two mounting bosses 21121.

As can be seen from the above description, the mounting bosses 21121 elevate the chip assembly, making the chip assembly routing more convenient.

Further, the pen tip assembly 2 further includes an electrode assembly 23, and the electrode assembly 23 is disposed on the mounting portion 2111.

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 elastic strain part 212 may be fixedly connected to the pen holder 1, the pen holder 6, or the shielding component 7, that is, the connection positions of the elastic strain part 212 are numerous, which is beneficial to further enriching the diversity of the capacitive pen.

Example one

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

As shown in fig. 1, the capacitance pen includes a fixing structure, the fixing structure includes a pen holder 1, a pen point assembly 2, a chip assembly (not shown), a main control board 3, a battery 4 and an antenna assembly 5 are disposed 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 module 8 that charges on the main control board 3, wireless module 8 that charges with the main control board 3 electricity is connected, have on the pen support 6 corresponding to window 61 that wireless module 8 that charges set up.

As shown in fig. 2, the pen tip assembly 2 includes a pen tip shaft 21 and a strain gauge 22, the pen tip shaft 21 includes a main body 211 and an elastic strain portion 212 connected to the main body 211, the elastic strain portion 212 is disposed near a rear end of the main body 211, an end of the elastic strain portion 212 far from the main body 211 is connected to the fixing structure, and the strain gauge 22 is disposed on the elastic strain portion 212. It is easily understood that the nib shaft 21 is made of a metal material, and thus, the elastic strain portion 212 having a large elasticity can be formed by reducing the thickness of a partial region of the nib shaft 21 made of a metal material. Optionally, one end of the elastic strain part 212, which is far away from the main body 211, is welded, bonded, clamped or screwed with the fixing structure; the strain gauge 22 is welded to the elastic strain portion 212, but it is also possible to adhesively attach the strain gauge 22 to the elastic strain portion 212.

For the convenience of processing and manufacturing the nib shaft 21, the main body 211 and the elastic strain portion 212 are preferably formed as an integral structure.

Specifically, the main body 211 includes a mounting portion 2111 and a flat plate portion 2112 connected to each other, the elastic strain portion 212 is connected to an end of the flat plate portion 2112 away from the mounting portion 2111, and a thickness of the elastic strain portion 212 is smaller than or equal to a thickness of the flat plate portion 2112. More specifically, the pen tip assembly 2 further includes an electrode assembly 23, the electrode assembly 23 is disposed on the mounting portion 2111, and the electrode assembly 23 and the strain gauge 22 are electrically connected to the chip assembly, respectively.

In this embodiment, the elastic strain portion 212 is perpendicular to the flat plate portion 2112, but in other embodiments, the elastic strain portion 212 may be disposed at an obtuse angle or an acute angle with respect to the flat plate portion 2112.

In order to facilitate wiring of the chip assembly, the flat plate portion 2112 is provided with two opposite mounting bosses 21121, the chip assembly is arranged on the mounting bosses 21121, the flat plate portion 2112 is provided with a wire passing hole 21122, and the wire passing hole 21122 is located between the two mounting bosses 21121.

Example two

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

In conclusion, the pen point assembly in the capacitive pen provided by the utility model cancels the arrangement of the elastic body, and the strain gauge is directly arranged on the pen point shaft, so that the consumption of raw materials of the elastic body is reduced, the material cost is saved, the elastic body and the pen point shaft do not need to be welded, the assembly process of the pen point assembly is simplified, the assembly efficiency and the assembly precision of the pen point assembly are improved, and the assembly cost of the capacitive pen is reduced; the flat plate part of the pen point shaft is provided with the mounting boss and the wire passing hole, so that the chip assembly is conveniently wired while the chip assembly is elevated.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides a capacitance pen, includes fixed knot structure and locates the nib subassembly in the fixed knot structure, and fixed knot structure includes the pen-holder, and the nib subassembly includes nib axle and strainometer, the nib axle includes main part, its characterized in that: the pen point shaft further comprises an elastic strain part connected with the main body, one end, far away from the main body, of the elastic strain part is connected with the fixing structure, and the strain gauge is arranged on the elastic strain part.

2. The capacitive stylus of claim 1, wherein: the main body and the elastic strain part are of an integrated structure formed integrally.

3. The capacitive stylus of claim 1, wherein: the elastic strain part is arranged close to the tail end of the main body.

4. The capacitive stylus of claim 1, wherein: the elastic strain part is far away from one end of the main body and is welded, bonded, clamped or screwed with the fixing structure.

5. The capacitive stylus of claim 1, wherein: the main part is including the installation department and the dull and stereotyped portion that link to each other, elastic strain portion with the dull and stereotyped portion is kept away from the one end of installation department links to each other.

6. The capacitive stylus of claim 5, wherein: the elastic strain portion is perpendicular to the flat plate portion.

7. The capacitive stylus of claim 5, wherein: the thickness of the elastic strain portion is less than or equal to the thickness of the flat plate portion.

8. The capacitive stylus of claim 5, wherein: still include with strainometer electric connection's chip subassembly, two installation bosss that have relative setting on the dull and stereotyped portion, the chip subassembly is located on the installation boss, be equipped with the line hole on the dull and stereotyped portion, the line hole is located two between the installation boss.

9. The capacitive stylus of claim 5, wherein: the nib assembly further includes an electrode assembly provided on the mounting part.

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.