CN218214071U - Pen core assembly and intelligent pen - Google Patents

Abstract

The utility model discloses a refill assembly and an intelligent pen, wherein, the refill assembly comprises a pen head and a probe; the pen point comprises a pen tube and a pen nozzle which are connected, and the pen tube is provided with an accommodating cavity and a front cavity opening communicated with the accommodating cavity; the pen nib and the end part of the pen tube are enclosed to form an accommodating groove, and the accommodating groove is communicated with the accommodating cavity through the front cavity opening; the probe is connected with the pen tube, one end of the probe penetrates through the front cavity opening and is located in the accommodating groove, and the other end of the probe is located in the accommodating cavity. The utility model discloses technical scheme will through the adoption the nib divide into injection moulding many times and has solved the problem that the probe is difficult to the location in the refill subassembly manufacture process. The utility model discloses a refill subassembly has the production of being convenient for to mould plastics, preparation simple process and the efficient advantage of preparation.

Description

Pen core assembly and intelligent pen

Technical Field

The utility model relates to an electronic equipment technical field especially relates to a refill subassembly and intelligent pen.

Background

The intelligent pen is a multifunctional mobile pen with communication matched with an operation platform compared with a traditional pen. The smart pen can change the content of writing with the smart pen into digital signal, then on conveying it to electronic equipment, let electronic equipment show the content of just writing, like cell-phone, panel computer or personal computer, the smart pen uses very convenient and fast.

At present, multiple intelligent pens have appeared on the market, and one of them intelligent pen includes plastic pen mouth and probe, the probe is located inside and being located the position that the pen mouth is most advanced, the probe is used for transmitting the signal of telecommunication. The above-mentioned smart pen is generally formed by once injection molding with the probe buried in the mould, but because the volume of probe is very little, the probe is as a part that is accurate and has specific function, can't do the location use, leads to the mould can't make production with conventional scheme.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a refill subassembly, aims at providing a refill subassembly of being convenient for preparation.

In order to achieve the above object, the utility model provides a pen core subassembly, include:

the pen point comprises a pen tube and a pen nozzle which are connected, and the pen tube is provided with an accommodating cavity and a front cavity opening communicated with the accommodating cavity; the pen nib and the end part of the pen tube are enclosed to form an accommodating groove, and the accommodating groove is communicated with the accommodating cavity through the front cavity opening;

the probe is connected with the pen tube, one end of the probe penetrates through the front cavity opening and is arranged in the accommodating groove, and the other end of the probe is arranged in the accommodating cavity.

In an embodiment, the pen nib is partially sleeved on the periphery of the pen barrel, and the bottom of the pen nib and the pen barrel enclose the accommodating groove.

In one embodiment, the outer diameter of the pen tube is gradually increased from one end close to the front cavity opening along the direction away from the front cavity opening, and the inner diameter of the pen nozzle is gradually increased from one end close to the bottom of the pen nozzle along the direction away from the bottom of the pen nozzle.

In one embodiment, a protrusion is arranged on the outer wall of one end, close to the front cavity opening, of the pen tube, and a recess matched with the protrusion is arranged on the inner wall of the pen nozzle; or, the outer wall of the pen tube close to one end of the front cavity opening is provided with a recess, and the inner wall of the pen nozzle is provided with a bulge matched with the recess.

In one embodiment, the outer diameter of the pen nozzle is gradually increased from one end close to the bottom of the pen nozzle along the direction far away from the bottom of the pen nozzle.

In an embodiment, the probe includes a head portion and a tail portion, the tail portion extends from one end of the head portion along an axial direction of the head portion, an axial diameter of one end of the head portion, which is close to the tail portion, is larger than an axial diameter of the tail portion and a diameter of the front cavity opening, the head portion is clamped in the accommodating groove, and the tail portion is located in the accommodating cavity.

In one embodiment, the tail portion includes a first guide section and a second guide section, the second guide section is communicated with the head portion through the first guide section, and an axial diameter of the second guide section is smaller than an axial diameter of the first guide section.

In an embodiment, the accommodating cavity includes a first cavity section and a second cavity section, the first cavity section is formed with the front opening, the second cavity section extends from one end of the first cavity section, which faces away from the front opening, and faces away from the front opening, the diameter of the first cavity section is smaller than that of the second cavity section, and the tail portion is located in the first cavity section and partially located in the second cavity section.

In one embodiment, the pen tube is in plastic connection or clamping connection with the pen nozzle.

The utility model also provides an intelligence pen, intelligence pen includes above-mentioned refill subassembly.

The utility model discloses technical scheme will through the adoption the nib divide into injection moulding many times and has solved the problem that the probe is difficult to the location in the refill subassembly manufacture process. The utility model discloses among the technical scheme, the nib comprises pencil and nib, in the manufacturing process of refill subassembly, the pencil with the independent injection moulding of nib, generally speaking earlier with pencil injection moulding, fashioned the pencil can be with the probe location, will the pencil with be located the probe of pencil continues to bury underground in the mould, continues with nib injection moulding makes the probe clamp is located the pencil with between the nib. The utility model discloses a refill subassembly has the production of being convenient for to mould plastics, preparation simple process and the efficient advantage of preparation.

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 a cartridge assembly according to an embodiment of the present invention;

FIG. 2 is an exploded view of FIG. 1;

fig. 3 is an axial cross-sectional view of fig. 1.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				100	Pen refill assembly	10	Pen point
11	Pen tube	111	Containing cavity
				111a	Front cavity opening	1111	First cavity section
1113	Second chamber section	13	Pen mouth
				13a	Containing groove		30	Probe needle
31	Head part	33	Tail part
				331	First guide section	333	Second guide section

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 up, down, left, right, front, and back … …) 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 a refill subassembly 100.

Referring to fig. 1 and 2, in an embodiment of the present invention, the cartridge assembly 100 includes a pen point 10 and a probe 30, the pen point 10 includes a pen tube 11 and a pen nozzle 13, a receiving cavity 111 is formed inside the pen tube 11, and a front cavity opening 111a and a rear cavity opening which are communicated with the receiving cavity 111 are respectively formed at two ends of the pen tube 11; a through cavity is formed inside the pen nib 13, a through cavity opening communicated with the through cavity is formed at one end of the pen nib 13, the through cavity opening faces the front cavity opening 111a, the pen nib 13 and the end part of the pen tube 11 are enclosed to form an accommodating groove 13a, and the accommodating groove 13a is communicated with the accommodating cavity 111 through the front cavity opening 111 a; the probe 30 is connected with the pen tube 11, one end of the probe 30 passes through the front cavity opening 111a and is arranged in the accommodating groove 13a, the other end of the probe 30 is arranged in the accommodating cavity 111, and one end of the probe 30 is clamped in the accommodating groove 13a by the pen nozzle 13 and the pen tube 11.

The pen point 10 is made through secondary injection molding, the pen tube 11 with the pen mouth 13 is directly connected through molding or through clamping and then or through threaded connection. When the pen barrel 11 and the pen nib 13 are directly connected by molding, in the manufacturing process, firstly the pen barrel 11 is injection molded in a mold, a fixing position is formed on a front cavity 111a of the injection molded pen barrel 11, then the probe 30 is placed in the fixing position for positioning, and finally, on the basis, the injection molding machine is used again for secondary injection molding to manufacture the pen nib 13, the pen nib 13 is connected with the pen barrel 11, the probe 30 is clamped between the pen nib 13 and the pen barrel 11, the pen nib 13 is tightly connected with the pen barrel 11 by the molding connection mode, the whole manufacturing process is simple and fast, and the manufacturing process of the whole refill assembly 100 is accelerated. In addition, the pen tube 11 and the pen nib 13 can be connected in a clamping or threaded connection manner, and both connection manners have the advantage of being convenient to assemble and disassemble, but due to the fact that clamping positions or threads need to be arranged on the pen tube 11 and the pen nib 13, the difficulty in manufacturing the pen tube 11 and the pen nib 13 is increased, and further the manufacturing efficiency of the pen core assembly 100 is reduced.

The utility model discloses technical scheme will through the adoption nib 10 divide into injection moulding many times and has solved the difficult problem of fixing a position of probe 30 in the cartridge subassembly 100 manufacture process. The utility model discloses among the technical scheme, nib 10 comprises shaft of a writing brush 11 and nib 13, in the manufacturing process of refill subassembly 100, shaft of a writing brush 11 with the independent injection moulding of nib 13, generally speaking, will earlier 11 injection moulding of shaft of a writing brush, fashioned 11 of the shaft of a writing brush can fix a position probe 30, will 11 of the shaft of a writing brush and fix a position probe 30 of shaft of a writing brush 11 continues to bury underground in the mould, continues will 13 injection moulding of the nib makes probe 30 presss from both sides and locates 11 of the shaft of a writing brush with between the nib 13. The utility model discloses a refill subassembly 100 has the production of being convenient for to mould plastics, preparation simple process and the efficient advantage of preparation.

It should be noted that the length of the pen nib 13 is the same as the depth of the accommodating groove 13a, that is, the end of the pen point 10 is connected to the end of the pen tube 11, or the length of the pen nib 13 is greater than the depth of the accommodating groove 13a, the pen nib 13 is partially sleeved on the periphery of the pen tube 11, and the bottom of the pen nib 13 and the pen tube 11 enclose to form the accommodating groove 13a. For many reasons, the latter configuration is generally selected; on one hand, if the length of the pen nozzle 13 is too short, the pen nozzle 13 is not easy to be injection molded, and the difficulty in manufacturing the pen nozzle 13 is further increased; on the other hand, if the length of the nib 13 is the same as the depth of the receiving groove 13a, the end of the nib 13 is directly connected to the end of the barrel 11, and the connection between the barrel 11 and the nib 13 is exposed to the outer circumference of the entire pen point 10, which may affect the appearance of the entire pen core assembly 100.

Specifically, the probe 30 includes a head portion 31 and a tail portion 33, the head portion 31 is hemispherical or hemispherical-like, the tail portion 33 is a cylindrical structure, the head portion 31 and the tail portion 33 are coaxially disposed, the tail portion 33 extends from one end of the head portion 31 along an axial direction of the head portion 31, the head portion 31 is located at one end of the tail portion 31, the axial diameter of the head portion 31 close to the tail portion 33 is larger than the axial diameter of the tail portion 33 and the diameter of the front cavity 111a, the head portion 31 is clamped in the accommodating groove 13a, and the tail portion 33 is located in the accommodating cavity 111.

The tail 33 includes a first guide section 331 and a second guide section 333, the first guide section 331 and the second guide section 333 are coaxially disposed, the second guide section 333 is communicated with the head 31 through the first guide section 331, an axial diameter of the second guide section 333 is smaller than an axial diameter of the first guide section 331, one end of the second guide section 333 is embedded in the first guide section 331, the second guide section 333 is connected with other electronic components in the accommodating cavity 111, and an electrical signal of the electronic component is transmitted to the electronic display screen through the second guide section 333, the first guide section 331 and the head 31 in sequence.

Referring to fig. 3, in the above embodiment, the accommodating chamber 111 includes a first chamber section 1111 and a second chamber section 1113, the first chamber section 1111 is formed with the front chamber opening 111a, the second chamber section 1113 extends from an end of the first chamber section 1111 facing away from the front chamber opening 111a to the front chamber opening 111a, the diameter of the first chamber section 1111 is smaller than that of the second chamber section 1113, the tail portion 33 is partially located in the first chamber section 1111 and partially located in the second chamber section 1113, in one embodiment, the first guide section 331 is located in the first chamber section 1111, the length of the first guide section 331 is the same as that of the first chamber section 1111, one end of the second guide section 333 is embedded in the first guide section 331 and is located in the first chamber section 1111 together with the first guide section 331, and the other end of the second guide section 333 extends out of the first guide section 331 and into the second chamber section 1113.

More specifically, the outer diameter of the pen tube 11 gradually increases from one end close to the front cavity opening 111a along a direction away from the front cavity opening 111a or gradually increases first and then does not change, the pen tube 11 is in a tapered structure or is formed by combining a cone and a column, the inner diameter of the pen nib 13 gradually increases from one end close to the bottom of the pen nib 13 along a direction away from the bottom of the pen nib 13, the pen nib 13 is integrally in a tapered structure or a similar tapered structure, the inner wall of the bottom of the pen nib 13 is a hemispherical surface or an inner hemispherical surface to just cover the head 31, and the outer diameter of the pen tube 11 is consistent with the inner diameter of the corresponding position of the pen nib 13, so that the pen nib 13 is just sleeved on the periphery of the pen tube 11.

The outer diameter of the pen nib 13 is gradually increased from one end close to the bottom of the pen nib 13 along the direction far away from the bottom of the pen nib 13, the whole outer wall surface of the pen nib 13 is a conical surface or a similar conical surface, and the outer wall surface of the bottom of the pen nib 13 is a hemispherical surface or a similar hemispherical surface. This is considered in many ways, on one hand, in order to fit the shape of the head 31 to facilitate signal transmission, the phenomenon that the signal transmission strength is inconsistent at different holding angles during writing is avoided; on the other hand, the writing experience of a user can be improved, the user generally tilts the smart pen to a certain degree when writing, and the hemispherical or hemispherical-like writing end enables the user to tilt the smart pen at any angle of 0-180 degrees in the vertical direction at different holding points without influencing the writing experience; on the other hand, the whole outer wall surface of the pen nib 13 is a conical surface or a conical-like surface, which is convenient for holding, and the outer wall surface of the bottom of the pen nib 13 is a hemispherical surface or a hemispherical-like surface, which can avoid the risk of scratching the human body by the edge.

Further, in order to increase the cohesive force between the pen tube 11 and the pen nib 13 and make the connection between the pen tube 11 and the pen nib 13 assembly tighter, a protrusion is disposed on an outer wall of the pen tube 11 near one end of the front cavity 111a, and a recess adapted to the protrusion is disposed on an inner wall of the pen nib 13; or, a recess is arranged on the outer wall of the pen tube 11 near one end of the front cavity opening 111a, and a protrusion matched with the recess is arranged on the inner wall of the pen nozzle 13.

The utility model discloses still provide an intelligent pen, this intelligent pen includes refill subassembly 100, and above-mentioned embodiment is referred to this refill subassembly 100's specific structure, because this intelligent pen has adopted the whole technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, and the repeated description is no longer given here.

The foregoing examples are merely illustrative and serve to explain some of the features of the method of the present invention. The appended claims are intended to claim as broad a scope as is contemplated, and the examples presented herein are merely illustrative of selected implementations in accordance with all possible combinations of examples. Accordingly, it is applicants' intention that the appended claims are not to be limited by the choice of examples illustrating features of the invention. Also, where numerical ranges are used in the claims, subranges therein are included, and variations in these ranges are also to be construed as possible being covered by the appended claims.

Claims (10)

1. A refill unit, comprising:

the pen point comprises a pen tube and a pen nozzle which are connected, and the pen tube is provided with an accommodating cavity and a front cavity opening communicated with the accommodating cavity; the pen nib and the end part of the pen tube are enclosed to form an accommodating groove, and the accommodating groove is communicated with the accommodating cavity through the front cavity opening;

the probe is connected with the pen tube, one end of the probe penetrates through the front cavity opening and is arranged in the accommodating groove, and the other end of the probe is located in the accommodating cavity.

2. The refill assembly as claimed in claim 1, wherein the nib is partially fitted around the outer periphery of the barrel, and the bottom of the nib and the barrel enclose the receiving groove.

3. The cartridge assembly of claim 2, wherein the outer diameter of the barrel increases from an end near the front opening in a direction away from the front opening, and the inner diameter of the nib increases from an end near the bottom of the nib in a direction away from the bottom of the nib.

4. The cartridge assembly of claim 3, wherein the outer wall of the pen barrel near the end of the front cavity opening is provided with a bulge, and the inner wall of the pen nozzle is provided with a recess matched with the bulge; or, the outer wall of the pen tube close to one end of the front cavity opening is provided with a recess, and the inner wall of the pen nozzle is provided with a bulge matched with the recess.

5. A refill assembly according to claim 3, wherein the outer diameter of said nib is gradually increased from an end adjacent to the bottom of said nib in a direction away from the bottom of said nib.

6. The cartridge assembly of claim 1, wherein said probe includes a head portion and a tail portion, said tail portion extending from an end of said head portion in an axial direction thereof away from said head portion, an axial diameter of said head portion near an end of said tail portion being larger than an axial diameter of said tail portion and a diameter of said front chamber opening, said head portion being sandwiched by said receiving recess, and said tail portion being located in said receiving chamber.

7. The cartridge assembly of claim 6, wherein said tail portion includes a first lead section and a second lead section, said second lead section communicating with said head portion through said first lead section, said second lead section having an axial diameter smaller than an axial diameter of said first lead section.

8. The cartridge assembly of claim 6, wherein said receiving cavity comprises a first cavity section and a second cavity section, said first cavity section defining said front opening, said second cavity section extending from an end of said first cavity section facing away from said front opening and facing away from said front opening, said first cavity section having a diameter smaller than a diameter of said second cavity section, said tail portion being located in said first cavity section and partially in said second cavity section.

9. A cartridge assembly according to any one of claims 1 to 8, wherein the barrel is moulded, snapped or screwed to the nib.

10. A smart pen comprising a cartridge assembly as claimed in any one of claims 1 to 9.

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