CN216361952U - Nib subassembly and electric capacity pen - Google Patents

Abstract

The utility model discloses a pen point assembly and a capacitance pen, wherein the pen point assembly comprises a shielding shell, a pen point shaft and a strain gauge, the pen point shaft is covered in the shielding shell, the shielding shell comprises a main body and an elastic strain part which are connected, one end of the elastic strain part, which is far away from the main body, is connected with the pen point shaft, the strain gauge is arranged on the elastic strain part, a universal shaft sleeve assembly is also arranged on the pen point shaft, and the universal shaft sleeve assembly is connected with the shielding shell. The nib assembly cancels the arrangement of the elastic body, and the strain gauge is arranged on the shielding shell, so that the material cost is saved, the assembly process of the nib assembly is simplified, and the assembly cost of the capacitance pen is favorably reduced; the universal shaft sleeve assembly connected with the shielding shell on the pen point shaft can share part of stress of the elastic strain part, the deformation amount of the elastic strain part is reduced, the elastic strain part is prevented from deforming beyond the yield limit of the elastic strain part, the service life of the elastic strain part is effectively prolonged, and the pen point assembly is durable.

Description

Nib subassembly and electric capacity pen

Technical Field

The utility model relates to the technical field of capacitive touch equipment, in particular to a pen point assembly and 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 is arranged in the pen holder, the pen point assembly comprises a pen point shaft, a strain sensor, an electrode assembly and a shielding shell, the pen point shaft, the strain sensor and the electrode assembly are respectively arranged on the pen point shaft, and the shielding shell covers the outside of the pen point shaft to shield interference signals.

Among the prior art, strain sensor includes the elastomer and locates the strainometer on the elastomer, because the elastomer needs to weld with nib axle and shielding shell, consequently, the process time of nib subassembly can be longer, leads to electric capacity pen manufacturing cost on the high side, and in addition, electric capacity pen when touch-control operation, the elastomer can bear great pressure, takes place great deformation, leads to elastomer life on the short side.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: a durable low-cost nib assembly and a capacitive pen having the nib assembly are provided.

In order to solve the technical problems, the utility model adopts the technical scheme that: the nib subassembly, including shielding shell, nib axle and strainometer, nib axle cover is located in the shielding shell, shielding shell includes continuous main part and elastic strain portion, elastic strain portion keeps away from the one end of main part is connected the nib axle, the strainometer is located on the elastic strain portion, the epaxial universal shaft sleeve subassembly that still is equipped with of nib, universal shaft sleeve subassembly is connected the shielding shell.

Further, the elastic strain part is far away from one end of the main body and the pen point shaft are welded, bonded, clamped or connected through screws.

Further, the shielding shell is provided with a window, and one side wall of the window is bent and extended towards the direction close to the pen point shaft to form the elastic strain part.

Further, the nib axle includes first installation department and the flat board portion that links to each other, the flat board portion corresponds to the setting of windowing, the one end that the main part was kept away from to the elastic strain portion is connected the flat board portion.

Further, the battery pack further comprises an electrode assembly arranged on the first mounting portion.

Further, the nib axle still includes the second installation department, the one end that the first installation department was kept away from to the tablet portion is connected the second installation department, the universal shaft sleeve subassembly is located on the second installation department.

Further, the universal shaft sleeve subassembly includes matched with inner shaft sleeve and outer shaft sleeve, the quantity of outer shaft sleeve is two, outer shaft sleeve includes annular portion, annular portion has the intrados, the periphery wall of inner shaft sleeve be equipped with intrados matched with extrados, two the annular portion of outer shaft sleeve is close to each other and forms spacingly the spacing cavity of inner shaft sleeve, the inner shaft sleeve cover is established on the pen point axle, outer shaft sleeve with shield shell connects fixedly.

Further, two outer shaft sleeves in the universal shaft sleeve assembly are fixedly connected with each other.

Furthermore, the outer shaft sleeve further comprises an extension portion, the extension portion is located on the outer side of the annular portion and connected with the annular portion, and the outer shaft sleeve is fixed on the shielding shell through the extension portion.

In order to solve the technical problems, the utility model also adopts the following technical scheme: the capacitance pen comprises the pen point component.

The utility model has the beneficial effects that: the nib assembly cancels the arrangement of the elastic body, and the strain gauge is arranged on the shielding shell, so that the consumption of raw materials of the elastic body is reduced, the material cost is saved, the elastic body and a nib shaft are not required to be welded, the assembly process of the nib assembly is simplified, the assembly efficiency of the nib assembly is improved, and the assembly cost of the capacitance pen is reduced; the universal shaft sleeve assembly connected with the shielding shell on the pen point shaft can share part of stress of the elastic strain part, the deformation amount of the elastic strain part is reduced, the elastic strain part is prevented from deforming beyond the yield limit of the elastic strain part, the service life of the elastic strain part is effectively prolonged, and therefore the pen point assembly is durable and is beneficial to enhancing the consumption experience of users.

Drawings

FIG. 1 is a schematic structural view of the overall structure of a nib assembly according to an embodiment of the present invention;

FIG. 2 is an exploded view of a nib assembly according to an embodiment of the present invention;

FIG. 3 is a cross-sectional view of a gimbaled sleeve assembly in a pen tip assembly according to an embodiment of the present invention;

fig. 4 is an exploded view of a capacitive stylus according to a second embodiment of the present invention.

Description of reference numerals:

1. a nib assembly; 11. a shield case; 111. a main body; 112. an elastic strain section; 113. windowing; 12. a nib shaft; 121. a first mounting portion; 122. a flat plate portion; 123. a second mounting portion; 13. a strain gauge; 14. an electrode assembly; 15. a cardan shaft sleeve assembly; 151. an inner sleeve; 1511. an outer arc surface; 1512. a chamfering structure; 152. an outer sleeve; 1521. an annular portion; 15211. an intrados surface; 1522. an extension portion;

2. a pen holder;

3. a pen holder; 31. a window;

4. a main control board; 41. a wireless charging module;

5. a battery;

6. an antenna assembly.

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 to 4, the nib assembly 1 includes a shielding housing 11, a nib shaft 12 and a strain gauge 13, the nib shaft 12 is covered in the shielding housing 11, the shielding housing 11 includes a main body 111 and an elastic strain portion 112 connected to each other, one end of the elastic strain portion 112 far away from the main body 111 is connected to the nib shaft 12, the strain gauge 13 is disposed on the elastic strain portion 112, a universal sleeve assembly 15 is further disposed on the nib shaft 12, and the universal sleeve assembly 15 is connected to the shielding housing 11.

From the above description, the beneficial effects of the present invention are: according to the nib assembly 1, the arrangement of the elastic body is omitted, the strain gauge 13 is arranged on the shielding shell 11, the consumption of raw materials of the elastic body is reduced, the material cost is saved, the elastic body and the nib shaft 12 do not need to be welded, the assembly process of the nib assembly 1 is simplified, the assembly efficiency of the nib assembly 1 is improved, and therefore the assembly cost of the capacitance pen is reduced; the universal shaft sleeve assembly 15 connected with the shielding shell 11 on the nib shaft 12 can share part of stress of the elastic strain part 112, reduce the deformation amount of the elastic strain part 112, prevent the elastic strain part 112 from deforming beyond the yield limit, effectively prolong the service life of the elastic strain part 112, so that the nib assembly 1 is durable and is beneficial to enhancing the consumption experience of users.

Further, one end of the elastic strain part 112, which is far away from the main body 111, is welded, bonded, clamped or screwed with the nib shaft 12.

As can be seen from the above description, the connection manner of the elastic strain part 112 and the pen tip shaft 12 is various, which is beneficial to enriching the diversity of the capacitance pen.

Further, the shielding shell 11 has a window 113, and a side wall of the window 113 is bent and extended toward the pen-tip shaft 12 to form the elastic strain portion 112.

As can be seen from the above description, the elastic strain portion 112 has a simple structure and is easy to machine and mold.

Further, the nib shaft 12 includes a first mounting portion 121 and a flat plate portion 122 connected to each other, the flat plate portion 122 is disposed corresponding to the window 113, and an end of the elastic strain portion 112 away from the main body 111 is connected to the flat plate portion 122.

As can be seen from the above description, the flat plate portion 122 may be provided with a chip assembly, and the window 113 may avoid the chip assembly.

Further, the electrode assembly 14 is provided on the first mounting portion 121.

Further, the nib shaft 12 further includes a second mounting portion 123, one end of the flat plate portion 122 far from the first mounting portion 121 is connected to the second mounting portion 123, and the universal sleeve assembly 15 is disposed on the second mounting portion 123.

As can be seen from the above description, the provision of the second mounting portion 123 can facilitate the assembly work of the universal sleeve assembly 15; moreover, the elastic strain portion 112 has a larger distance from the universal sleeve assembly 15, which is beneficial to ensure the sensitivity of the strain gauge 13.

Further, the universal shaft sleeve assembly 15 includes matched with inner shaft sleeve 151 and outer shaft sleeve 152, the quantity of outer shaft sleeve 152 is two, outer shaft sleeve 152 includes cyclic annular portion 1521, cyclic annular portion 1521 has intrados surface 15211, the periphery wall of inner shaft sleeve 151 be equipped with intrados surface 15211 matched with extrados surface 1511, two the cyclic annular portion 1521 of outer shaft sleeve 152 is close to each other and forms spacingly the spacing cavity of inner shaft sleeve 151, inner shaft sleeve 151 cover is established on the nib axle 12, outer shaft sleeve 152 with shield shell 11 is connected fixedly.

Further, the two outer sleeves 152 of the universal sleeve assembly 15 are fixedly connected to each other.

Further, the outer sleeve 152 further includes an extension portion 1522, the extension portion 1522 is located outside the annular portion 1521 and connected to the annular portion 1521, and the outer sleeve 152 is fixed to the shielding shell 11 through the extension portion 1522.

A capacitance pen comprises the pen point component 1.

As can be seen from the above description, the capacitive pen is low in assembly cost and durable in use.

Example one

Referring to fig. 1 to fig. 3, a first embodiment of the present invention is: the pen point component 1 is applied to a capacitance pen of touch equipment.

Referring to fig. 1 and 2, the nib assembly 1 includes a shielding housing 11, a nib shaft 12, a strain gauge 13, and a chip assembly (not shown) and an electrode assembly 14 respectively disposed on the nib shaft 12, the chip assembly is electrically connected to the electrode assembly 14 and the strain gauge 13, the nib shaft 12 is covered in the shielding housing 11, the shielding housing 11 includes a main body 111 and an elastic strain portion 112 connected to each other, the strain gauge 13 is disposed on the elastic strain portion 112, one end of the elastic strain portion 112 away from the main body 111 is connected to the nib shaft 12, and the connection manner of the elastic strain portion 112 and the nib shaft 12 includes, but is not limited to, welding, bonding, clamping, or screw connection.

Specifically, the shielding shell 11 has a window 113, and a side wall of the window 113 is bent and extended toward the pen point shaft 12 to form the elastic strain portion 112. It should be noted that the shielding shell 11 is made of a metal material, and therefore, the elastic strain portion 112 may be bent and formed by a material that needs to be removed due to the opening window 113.

The stylus shaft 12 includes a first mounting portion 121 and a flat plate portion 122 connected to each other, the electrode assembly 14 is disposed on the first mounting portion 121, the flat plate portion 122 mounts the chip assembly thereon, the flat plate portion 122 is disposed corresponding to the window 113, and one end of the elastic strain portion 112 away from the main body 111 is connected to the flat plate portion 122.

In order to share the stress of the elastic strain part 112 and prolong the service life of the elastic strain part 112, a universal shaft sleeve assembly 15 is further arranged on the pen point shaft 12, and the universal shaft sleeve assembly 15 is connected with the shielding shell 11.

In detail, the nib shaft 12 further includes a second mounting portion 123, one end of the flat plate portion 122 far away from the first mounting portion 121 is connected to the second mounting portion 123, the universal sleeve assembly 15 is disposed on the second mounting portion 123, and for facilitating the processing, the first mounting portion 121, the flat plate portion 122 and the second mounting portion 123 are integrated into one integral structure. In this embodiment, the second mounting portion 123 includes a mounting post, and the universal shaft sleeve assembly 15 is sleeved on the mounting post.

Referring to fig. 2 and fig. 3, the universal shaft sleeve assembly 15 includes an inner shaft sleeve 151 and an outer shaft sleeve 152 that are matched with each other, the inner shaft sleeve 151 is sleeved on the mounting post, and the outer shaft sleeve 152 is fixed on the shielding shell 11. More in detail, in the universal shaft sleeve assembly 15 the number of outer shaft sleeve 152 is two, outer shaft sleeve 152 includes cyclic annular portion 1521, cyclic annular portion 1521 has intrados surface 15211, the periphery wall of inner shaft sleeve 151 be equipped with intrados surface 1511 that intrados surface 15211 matched with, two the cyclic annular portion 1521 of outer shaft sleeve 152 is close to each other and forms spacingly the spacing cavity of inner shaft sleeve 151, the diameter of two openings of spacing cavity is less than extrados surface 1511's maximum diameter, so can avoid inner shaft sleeve 151 to break away from spacing cavity, do benefit to the structural stability who guarantees universal shaft sleeve assembly 15.

Preferably, two outer bushings 152 in the universal bushing assembly 15 are connected and fixed to each other, in this embodiment, the outer bushings 152 further include an extension portion 1522, the extension portion 1522 is located outside the annular portion 1521 and connected to the annular portion 1521, and the outer bushings 152 are fixed to the shielding shell 11 through the extension portion 1522. Specifically, two extending portions 1522 in the universal shaft sleeve assembly 15 are welded and fixed, and the inner shaft sleeve 151 is welded and fixed to the mounting column, but it is also feasible that the two outer shaft sleeves 152 are connected by other fixing methods, such as screwing, clamping, bonding, and the like; similarly, it is also feasible that the inner sleeve 151 is fixed to the mounting post by other fixing methods, such as clamping, interference fit, adhesion, screw connection, etc.

As a preferred embodiment, the inner shaft sleeve 151 is provided with a mounting hole matched with the mounting post, two ends of the mounting hole are respectively provided with a chamfer structure 1512, and when the inner shaft sleeve 151 is mounted on the mounting post, the chamfer structure 1512 can play a guiding role, so that the inner shaft sleeve 151 is convenient to mount; when the inner sleeve 151 and the mounting post are welded, the chamfer structure 1512 can play a role of tin holding, thereby improving the stability of the connection between the inner sleeve 151 and the mounting post. It can be seen that the chamfer 1512 also achieves multiple uses in this embodiment.

In order to ensure the structural stability of the outer sleeve 152 and facilitate the processing and manufacturing thereof, the annular portion 1521 and the extension portion 1522 are integrally formed by drawing a metal plate.

Example two

Referring to fig. 1 to 4, a second 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.

As shown in fig. 4, the electric capacity pen includes fixed knot and constructs, fixed knot constructs including pen-holder 2, be equipped with pen support 3, nib subassembly 1, main control board 4, battery 5 and antenna module 6 in the pen-holder 2, antenna module 6 the chip subassembly with battery 5 respectively with main control board 4 electric connection, nib subassembly 1 is located the head of pen-holder 2, pen support 3 connects nib subassembly 1, antenna module 6 main control board 4 with battery 5 fixes respectively on pen support 3. In other embodiments, the pen holder 3 may not be provided, and in this case, the pen point assembly 1, the antenna assembly 6, the main control board 4, and the battery 5 may be directly fixed to the pen holder 2.

For convenient charging, be equipped with wireless charging module 41 on the main control board 4, wireless charging module 41 with the main control board 4 electricity is connected, have on the pen stand 3 corresponding to window 31 that wireless charging module 41 set up.

Referring to fig. 1 to 4, the pen tip assembly adopted in the present embodiment is the pen tip assembly 1 described in the first embodiment, specifically, the shielding shell 11 of the pen tip assembly 1 and the pen holder 3 are fixed by screws.

In conclusion, according to the nib assembly and the capacitive pen provided by the utility model, the arrangement of the elastic body is omitted, the strain gauge is arranged on the shielding shell, the consumption of raw materials of the elastic body is reduced, the material cost is saved, the elastic body and the nib shaft do not need to be welded, the assembly process of the nib assembly is simplified, the assembly efficiency of the nib assembly is improved, and the assembly cost of the capacitive pen is reduced; the universal shaft sleeve assembly connected with the shielding shell on the pen point shaft can share part of stress of the elastic strain part, the deformation amount of the elastic strain part is reduced, the elastic strain part is prevented from deforming beyond the yield limit of the elastic strain part, the service life of the elastic strain part is effectively prolonged, and therefore the pen point assembly is durable and is beneficial to enhancing the consumption experience of users.

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 (10)

1. Nib subassembly, including shielding shell, nib axle and strainometer, nib axle housing is located in the shielding shell, its characterized in that: the shielding shell comprises a main body and an elastic strain part which are connected, the elastic strain part is far away from one end of the main body and is connected with the pen point shaft, the strain gauge is arranged on the elastic strain part, a universal shaft sleeve assembly is further arranged on the pen point shaft, and the universal shaft sleeve assembly is connected with the shielding shell.

2. The nib assembly of claim 1, wherein: the elastic strain part is far away from one end of the main body and the pen point shaft are welded, bonded, clamped or connected through screws.

3. The nib assembly of claim 1, wherein: the shielding shell is provided with a window, and one side wall of the window is bent and extended towards the direction close to the pen point shaft to form the elastic strain part.

4. The nib assembly of claim 3, wherein: the nib axle is including the first installation department and the flat board portion that link to each other, the flat board portion correspond to the setting of windowing, the one end that the main part was kept away from to the elastic strain portion is connected the flat board portion.

5. The nib assembly of claim 4, wherein: the battery also comprises an electrode assembly arranged on the first mounting part.

6. The nib assembly of claim 4, wherein: the pen point axle still includes the second installation department, the one end that the first installation department was kept away from to the flat board portion is connected the second installation department, universal shaft sleeve subassembly is located on the second installation department.

7. The nib assembly of claim 1, wherein: the universal shaft sleeve component comprises a matched inner shaft sleeve and an outer shaft sleeve, the number of the outer shaft sleeve is two, the outer shaft sleeve comprises an annular part, the annular part has an inner arc surface, the peripheral wall of the inner shaft sleeve is provided with an outer arc surface matched with the inner arc surface, and the outer arc surface is two.

8. The nib assembly of claim 7, wherein: and two outer shaft sleeves in the universal shaft sleeve assembly are mutually connected and fixed.

9. The nib assembly of claim 7, wherein: the outer shaft sleeve further comprises an extension portion, the extension portion is located on the outer side of the annular portion and connected with the annular portion, and the outer shaft sleeve is fixed on the shielding shell through the extension portion.

10. Electric capacity pen, its characterized in that: comprising the nib assembly of any of claims 1 to 9.

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