CN214175063U - Intelligent pen - Google Patents

Abstract

The utility model discloses an intelligent pen, include: a pen container; the pen core is arranged in the pen container, one end of the pen core is a pen point part, and the pen point part extends out of one end of the pen container; and the supporting component supports the pen core in the pen container. The utility model discloses technical scheme aims at making the refill be fixed in the pen container, promotes the reliability of writing.

Description

Intelligent pen

Technical Field

The utility model relates to a touch equipment field, in particular to intelligence pen.

Background

In order to facilitate use, electronic products such as mobile phones, tablet computers, electronic dictionaries and the like can often use intelligent pens to control, the intelligent pens generally comprise pen containers, circuit boards and pen cores penetrating the pen containers, in the prior art, the pen cores are generally welded on the circuit boards, and the pen cores are in certain length from the circuit boards to the pen points, so that when the pen cores are in contact with a screen during writing, the pen cores can shake relative to the pen containers to influence the writing operation.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims at providing an intelligence pen aims at making the refill be fixed in the pen container to promote the reliability of writing.

In order to achieve the above object, the utility model provides an intelligent pen includes:

a pen container;

the pen core is arranged in the pen container, one end of the pen core is a pen point part, and the pen point part extends out of one end of the pen container; and

the supporting assembly supports the pen core in the pen container.

Optionally, the smart pen further comprises a circuit board electrically connected with the pen core, the support assembly comprises an elastic needle, the elastic needle has a first end and a second end which are opposite to each other, the first end of the elastic needle is connected with the circuit board, the second end of the elastic needle is provided with a clamping hole, and the pen core is clamped in the clamping hole.

Optionally, a first connecting through groove is formed in the first end of the spring pin, and the circuit board is clamped in the first connecting through groove; the width of the first connecting through groove is 1.20mm-1.30 mm.

Optionally, the circuit board is provided with a second connecting through groove, and the elastic needle is clamped in the second connecting through groove.

Optionally, the refill is divided into a connecting section and a refill section in sequence along the axial direction of the refill, the connecting section is arranged at one end, far away from the refill tip, of the refill section, an annular protrusion surrounding the circumferential direction of the connecting section is arranged on the circumferential wall of the connecting section, and the connecting section is inserted into the clamping hole and is in interference fit with the clamping hole through the annular protrusion.

Optionally, the maximum radial distance of the annular protrusion is 1.64mm-1.66mm, and the diameter of the clamping hole is 1.58mm-1.60 mm;

optionally, the length of the connecting section is 7.45mm-7.55mm, and the hole depth of the clamping hole is 7.99mm-8.09 mm.

Optionally, one end of the connecting section, which is far away from the pen point portion, is provided with a guide boss for guiding the connecting section to be inserted into the clamping hole.

Optionally, two U-shaped grooves penetrating through the second end are formed in the bullet needle, and the two U-shaped grooves are arranged oppositely.

Optionally, the support assembly comprises a crown spring, and the crown spring is sleeved on the pen core.

Optionally, the smart pen further includes a circuit board electrically connected to the pen core, the support assembly further includes a pogo pin, the pogo pin has a first end and a second end opposite to each other, the first end of the pogo pin is connected to the circuit board, the second end of the pogo pin is provided with a locking hole, and the crown spring is locked in the locking hole.

The utility model discloses technical scheme is through locating the refill with the supporting component cover to make the supporting component play the supporting role to the refill in the axial of the inherent refill of pen container, so, this intelligent pen is when the in-process that uses, and barrel emergence rocking can not be relative to the refill wherein, and the user can use this intelligent pen to write continuously stably, thereby makes user's use experience obtain promoting. In the prior art, some intelligent pens can be fixed by dispensing between the pen core and the pen container in order to fix the pen core and the pen container. And the utility model discloses in, only need to install refill and supporting component, can make supporting component can support the refill in pen container, the support component is low to the ineffective risk of the supporting role of refill, and not only its stability is superior to the fixed mode of point glue far away, but also can reduce the point in the assembly and glue the process to promote the assembly efficiency of intelligent pen.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an embodiment of the smart pen of the present invention;

fig. 2 is a schematic view of an internal structure of an embodiment of the smart pen of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is a schematic structural view of an embodiment of a pen core of the smart pen of the present invention;

FIG. 5 is a sectional view of the cartridge of FIG. 4 taken along line A-A;

fig. 6 is a schematic structural diagram of an embodiment of a support assembly of the smart pen of the present invention;

FIG. 7 is a cross-sectional view B-B of the support assembly of FIG. 6;

fig. 8 is an exploded view of another embodiment of the support assembly and the pen core of the present invention.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				100	Pen container	110	Pen body
120	Pen cap	200	Circuit board
				210	Second connecting through groove	300	Pen core
310	Pen point section	311	Pen point
				320	Connecting segment	321	Annular protrusion
322	Guide boss	323	Limiting convex part
				400	Support assembly	410	Spring needle
410a	First end	410b	Second end
				411	First connecting through groove	412	Fastening hole
413	Conical surface	414	U-shaped groove
				420	Crown spring	430	Flexible protective sleeve

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, if appearing throughout the text, "and/or" is meant to include three juxtaposed aspects, taking "A and/or B" as an example, including either the A aspect, or the B aspect, or both A and B satisfied aspects. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides an intelligent pen.

In the embodiment of the present invention, as shown in fig. 1, fig. 2 and fig. 3, the smart pen includes:

a pen container 100;

the pen core 300 is arranged in the pen container 100, one end of the pen core 300 is a pen point part 311, and the pen point part 311 extends out of one end of the pen container 100; and

a support assembly 400, wherein the support assembly 400 supports the pen core 300 in the pen container 100.

It can be understood that the cartridge 300 of the smart pen is subjected to an interaction force from the screen during use, and in order to prevent the cartridge 300 from being displaced relative to the pen container 100 under the action of an external force, which affects the writing effect of the smart pen, the cartridge 300 should be stably connected to the pen container 100. The supporting member 400 of the present invention is used to support the pen cartridge 300 in the pen container 100, so that the pen cartridge 300 can be stably connected to the pen container 100. So, this intelligence pen is when the in-process that uses, and barrel 100 relatively can not take place to rock for refill 300 wherein, and the user can use this intelligence pen to write continuously and stably, writes the reliability and improves, also makes user's the experience of writing improve simultaneously.

In the prior art, when some intelligent pens are assembled, in order to fix the pen core 300 to the pen container 100, glue needs to be dispensed between the pen core 300 and the pen container 100, and glue needs to be cured after the glue is dispensed. Moreover, the stability of the method for fixing by dispensing is deficient, and when the intelligent pen is used, the circuit board 200 is arranged in the pen container 100, heat is accumulated in the pen container 100, and the fixing glue between the pen container 100 and the pen core 300 may be failed, so that the pen container 100 or the pen core 300 is separated from the fixing glue.

And the utility model discloses an in the production assembly of intelligent pen, at the process of fixed refill 300, only need connect supporting component 400 in refill 300, assemble refill 300 and pen container 100 that are connected with supporting component 400 again, supporting component 400 can support refill 300 in pen container 100 to realized refill 300 and pen container 100's fixed, in addition, the utility model discloses still reduced the process of point gluing, avoided artifical some loaded down with trivial details of gluing, thereby promoted the assembly efficiency of intelligent pen. Moreover, the supporting function of the supporting component 400 on the pen core 300 has low failure risk, and the stability of the supporting component is far better than that of a dispensing fixing mode.

Further, in this embodiment, as shown in fig. 2, the smart pen further includes a circuit board 200 electrically connected to the pen core 300, the support assembly 400 includes a pogo pin 410, as shown in fig. 7 and 8, the pogo pin 410 has a first end 410a and a second end 410b opposite to each other, the first end 410a of the pogo pin 410 is connected to the circuit board 200, the second end 410b of the pogo pin 410 is provided with a card hole 412, and the pen core 300 is clamped in the card hole 412.

It is understood that the pogo pin 410 should be a conductor, and the cartridge 300 is connected to the circuit board 200 through the pogo pin 410, and also the cartridge 300 and the circuit board 200 can be conducted, so that the soldering step between the cartridge 300 and the circuit board 200 can be omitted. Of course, in other embodiments, the elastic pin 410 may also be an insulator, and the card hole 412 may be a through hole, so that the pen core 300 can be connected to the circuit board 200 in the card hole 412.

In this embodiment, the pen core 300 is clamped in the clamping hole 412 of the spring pin 410, so that the pen core 300 is at least partially accommodated in the spring pin 410, and the spring pin 410 can support the pen core 300 clamped in the clamping hole 412, thereby preventing the pen core 300 from shaking relative to the spring pin 410 when the smart pen is used for writing; and because the first end 410a of the latch 410 is connected to the circuit board 200 and the cartridge 300 is inserted into the insertion hole 412 of the second end 410b, the latch 410 can generate a supporting force for the cartridge 300 in the axial direction of the cartridge 300, thereby preventing the cartridge 300 from shaking up and down relative to the pen container 100 when the smart pen is used for writing.

Further, in this embodiment, as shown in fig. 3, a first connection slot 411 is formed at a first end 410a of the spring pin 410, and the circuit board 200 is clamped in the first connection slot 411, so that the circuit board 200 and the spring pin 410 are clamped with each other, thereby improving the connection stability between the pen core 300 and the circuit board 200; the width of the first connecting through groove 411 is 1.20mm to 1.30mm, so that the mounting accuracy of the circuit board 200 clamped in the first connecting through groove 411 is ensured, and the reliability of the connection between the circuit board 200 and the pen core 300 is improved.

Further, in this embodiment, as shown in fig. 3, the circuit board 200 is provided with a second connecting through groove 210, and the elastic pin 410 is clamped in the second connecting through groove 210. It can be understood that the first connecting through groove 411 may limit the degree of freedom of the circuit board 200 in the extending direction of the second connecting through groove 210, so as to avoid the pen core 300 from shaking in the extending direction of the second connecting through groove 210 relative to the pen container 100 when the smart pen is used for writing; the second connecting through groove 210 may limit the degree of freedom of the extension direction of the bullet needle 410 in the first connecting through groove 411, so as to avoid the pen core 300 from shaking in the extension direction of the first connecting through groove 411 relative to the pen container 100 when the smart pen is used for writing. Therefore, the first connecting through grooves 411 and the second connecting through grooves 210 are in staggered clamping connection, so that the connection stability of the circuit board 200 and the first end 410a of the spring needle 410 can be further improved, the phenomenon that the pen core 300 is displaced relative to the pen container 100 in the radial direction of the pen core is avoided, and the connection stability of the pen core 300 and the pen container 100 is further improved.

Further, in this embodiment, as shown in fig. 5, the pen core 300 is sequentially divided into a connecting section 320 and a pen tip section 310 along an axial direction thereof, the connecting section 320 is disposed at an end of the pen tip section 310 away from the pen tip portion 311, an annular protrusion 321 surrounding a circumference of the connecting section 320 is disposed on a circumferential wall of the connecting section 320, and the connecting section 320 is inserted into the fastening hole 412 and is in interference fit with the fastening hole 412 through the annular protrusion 321. The inner hole wall of the clamping hole 412 is in interference fit with the peripheral wall of the connecting section 320 through the annular protrusion 321 to improve the connection stability of the pen core 300 and the second end 410b of the bullet needle 410, so that the pen core 300 can be fixedly connected with the pen container 100 through the bullet needle 410. Of course, in other embodiments, the connection section 320 of the pen core 300 may be provided with an external thread, the second end 410b of the bullet needle 410 is provided with an internal thread, and the pen core 300 and the bullet needle 410 are stably connected in a thread fit manner.

Further, in the present embodiment, as shown in fig. 4 and 7, the maximum radial distance of the annular protrusion 321 is 1.64mm to 1.66mm, and the diameter of the chucking hole 412 is 1.58mm to 1.60 mm. The range of the maximum radial distance of the annular protrusion 321 is slightly larger than the range of the aperture of the snap hole 412, so that the inner hole wall of the snap hole 412 and the peripheral wall of the connecting section 320 are in interference fit through the annular protrusion 321, thereby stably connecting the pen core 300 to the bullet pin 410.

Further, in the present embodiment, as shown in fig. 5 and 7, the length of the connection section 320 is 7.45mm to 7.55mm, and the depth of the fastening hole 412 is 7.99mm to 8.09 mm. The depth of the locking hole 412 is slightly greater than the length of the connection section 320, so as to provide a certain matching margin for the connection between the pen core 300 and the spring needle 410, not only a certain fault tolerance rate for the processing of the connection section 320 and the locking hole 412 is achieved, but also the occurrence probability that the connection section 320 cannot be completely accommodated in the locking hole 412 due to the overlong length is reduced.

Further, in this embodiment, as shown in fig. 4, one end of the connection section 320, which is far away from the nib portion 311, is provided with a guide boss 322 for guiding the connection section 320 to be inserted into the card hole 412, so that the assembly efficiency of the pen core 300 and the latch 410 can be improved to a certain extent. In particular, when the card hole 412 is machined, since the drill bit has a tapered guide surface, as shown in fig. 5, the bottom of the card hole 412 is also formed with a tapered surface 413, and the tapered surface 413 can increase the depth of the card hole 412 appropriately, so that even when the length of the connection section 320 is slightly larger than the base hole depth of the card hole 412, the connection section 320 can be inserted into the card hole 412 continuously until the guide boss 322 abuts against the tapered surface 413.

Further, in this embodiment, as shown in fig. 6, two U-shaped grooves 414 are formed in the elastic pin 410 and penetrate through the second end 410b, and the two U-shaped grooves 414 are oppositely disposed, so that the elasticity of the side wall of the elastic pin 410 can be effectively increased, and a reliable clamping force can be ensured when the pen core 300 is inserted.

In another embodiment of the present invention, as shown in fig. 8, the supporting component 400 includes a crown spring 420, the crown spring 420 is sleeved on the pen core 300 to support the pen core 300, in addition, the crown spring 420 is an elastic device with excellent performance, which has good elasticity and soft pulling force, and is more convenient for assembling and replacing the supporting component 400. Of course, in other embodiments, the supporting member 400 may be other elastic devices (e.g., a pawl spring), which can also support the pen core 300 and facilitate the assembly and replacement of the supporting member 400. The elastic devices can be made of beryllium copper, and the elastic devices made of beryllium copper have good elasticity, long service life, and excellent strength, hardness, wear resistance and fatigue resistance.

Further, in this embodiment, as shown in fig. 8, the support assembly 400 further includes an elastic pin 410, the elastic pin 410 has a first end 410a and a second end 410b opposite to each other, the first end 410a of the elastic pin 410 is connected to the circuit board 200, the second end 410b of the elastic pin 410 is provided with a locking hole 412, the crown spring 420 is locked in the locking hole 412, so that the pen core 300 is locked in the locking hole of the second end 410b of the elastic pin 410 by the crown spring 420, and the first end 410a of the elastic pin 410 is connected to the circuit board 200, so that the elastic pin 410 can axially support the pen core 300, thereby further improving the support effect of the support assembly 400 on the pen core 300. The pen core 300 is clamped in the clamping hole 412 by the crown spring 420, and the crown spring 420 has good elasticity, so that a margin can be left for the matching of the pen core 300 and the spring needle 410, and therefore, the requirement on the dimensional tolerance of the pen core 300 is extremely low in the embodiment. Optionally, as shown in fig. 8, one end of the connecting section 320 near the nib 311 is provided with a limiting protrusion 323 to provide a location for assembling the crown spring 420; the end of the connection section 320, which is away from the nib 311, where the crown spring 420 is sleeved, should have a portion exposed out of the crown spring 420 to guide the connection section 320 to be inserted into the card hole 412. Of course, in other embodiments, it is also possible that the support assembly 400 includes only the crown spring 420, the cartridge 300 is welded to the circuit board 200, the displacement of the cartridge 300 in the radial direction with respect to the barrel 100 is prevented by the crown spring 420, and the displacement of the cartridge in the axial direction with respect to the barrel 100 is prevented by welding the cartridge 300 to the circuit board 200.

Further, in one embodiment and another embodiment, the bullet pin 410 and the pen core 300 are made of phosphor copper. The phosphor copper is a copper alloy, has good conductivity, is not easy to generate heat, has extremely high safety and very strong fatigue resistance, and can ensure that the elastic needle 410 is in good contact with the pen core 300 and is stably inserted and pulled. Of course, in other embodiments, the bullet pin 410 and the pen core 300 may be made of stainless steel.

Further, in all the embodiments described above, as shown in fig. 1 to 5 and 8, the pen tip 311 is wrapped with a flexible protection sleeve 430 to prevent the pen tip 311 from directly contacting the screen, so as to prevent the pen tip 311 from damaging its own structure due to the action of frictional stress when the pen tip 311 is directly contacted with the screen.

Further, in all the above embodiments, as shown in fig. 1, the pen container 100 includes a pen body 110 and a cap 120 connected to the pen body 110, and the pen tip portion 311 is disposed to extend beyond the cap 120. The pen cap 120 is provided with an external thread on one end peripheral wall thereof, the pen tip 311 extends out of the other end of the pen cap 120, the pen body 110 is provided with an internal thread, and the pen body 110 is in threaded connection with the pen cap 120 so as to ensure the stability of the structure of the pen container 100. Of course, in other embodiments, the pen body 110 and the cap 120 may be connected in other manners (e.g., snap-fit).

The above is only the optional embodiment of the present invention, and not the scope of the present invention is limited thereby, all the equivalent structure changes made by the contents of the specification and the drawings are utilized under the inventive concept of the present invention, or the direct/indirect application in other related technical fields is included in the patent protection scope of the present invention.

Claims (7)

1. A smart pen, comprising:

a pen container;

the pen core is arranged in the pen container, one end of the pen core is a pen point part, and the pen point part extends out of one end of the pen container;

the circuit board is arranged in the pen container and is electrically connected with the pen core; and

the supporting component supports the pen core in the pen container;

the supporting assembly comprises an elastic needle, the elastic needle is provided with a first end and a second end which are opposite, the first end of the elastic needle is connected with the circuit board, a clamping hole is formed in the second end of the elastic needle, and the pen core is clamped in the clamping hole.

2. The smart pen of claim 1, wherein the first end of the pogo pin is provided with a first connecting through groove, and the circuit board is clamped in the first connecting through groove;

the width of the first connecting through groove is 1.20mm-1.30 mm;

and/or the presence of a gas in the gas,

the circuit board is provided with a second connecting through groove, and the elastic needle is clamped in the second connecting through groove.

3. The smart pen according to claim 2, wherein the pen core is sequentially divided into a connecting section and a pen tip section along an axial direction of the pen core, the connecting section is arranged at one end of the pen tip section, which is far away from the pen tip portion, an annular protrusion surrounding the circumferential direction of the connecting section is arranged on the circumferential wall of the connecting section, and the connecting section is inserted into the clamping hole and is in interference fit with the clamping hole through the annular protrusion.

4. The smart pen of claim 3, wherein the maximum radial distance of the annular protrusion is 1.64mm to 1.66mm, and the aperture of the card hole is 1.58mm to 1.60 mm;

and/or the length of the connecting section is 7.45mm-7.55mm, and the hole depth of the clamping hole is 7.99mm-8.09 mm.

5. The smart pen of claim 3, wherein an end of the connecting section remote from the pen tip portion is provided with a guide projection for guiding the connecting section to be inserted into the card hole.

6. The smart pen of claim 3, wherein the pogo pin is formed with two U-shaped grooves extending through the second end, the two U-shaped grooves being disposed opposite to each other.

7. The smart pen of claim 1, wherein the support assembly comprises a crown spring, the crown spring is sleeved on the pen core, and the crown spring is clamped in the clamping hole so that the pen core is clamped in the clamping hole.

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