CN113031794B - Simplified pen refill module and preparation method thereof - Google Patents
Simplified pen refill module and preparation method thereof Download PDFInfo
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- CN113031794B CN113031794B CN202110384632.2A CN202110384632A CN113031794B CN 113031794 B CN113031794 B CN 113031794B CN 202110384632 A CN202110384632 A CN 202110384632A CN 113031794 B CN113031794 B CN 113031794B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
- G06F3/0354—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
- G06F3/03545—Pens or stylus
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
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- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
Abstract
The utility model discloses a simplified pen core module and a preparation method thereof, which are characterized in that: it adopts the PCB board as the main part, and this PCB board still covers and has FPC board to make the pin, hollow screw thread seat cover locate the bar part of PCB board to electric connection is fixed in the root step of bar part, hollow metal cylinder, hollow conical member, the relative position of bar part of PCB board is located to the cover in proper order to carry out electric connection and fix the relative position from the pad of hollow inside and PCB board, wherein, between screw thread seat, metal cylinder, the conical member, still respectively the cover is equipped with a high temperature resistant insulating ring.
Description
Technical Field
The utility model relates to the technical field of electronic capacitance pens, in particular to a simplified pen core module and a preparation method thereof.
Background
Capacitive touch is the mainstream input technology of touch panels, and is widely applied to mobile communication devices, tablet computers or any devices using touch screens. The capacitance pen can be selected by a user to perform input operation with a finger and the capacitance pen. However, the refill structure of the existing special capacitive pen on the market is too complex, so that the production efficiency is low and the manufacturing cost is high; meanwhile, the refill structure in the prior art needs overlapping and matching of multiple parts, so that various defects are easily caused in industrial production, a large amount of labor and materials are wasted, and the volume production is not facilitated.
In the prior art, a simplified active capacitance pen module (CN210402293U) is characterized in that a refill assembly of the active capacitance pen module is wrapped by a tapered pen point, a threaded part, a plastic sleeve, a pen cap and other structures, and is formed by a receiving head, a refill barrel, a refill seat, a lead and a spring which form a rear circuit board;
furthermore, KR1020160022369A discloses an electronic pen in which a circuit carrier cartridge 208 is mounted in an object 210, a writing pad 203 is connected to a piezoelectric generating element 204, a piezoelectric motor 205, a digital control device 217, etc. are connected in a matching manner, and the pen has a complicated structure;
the utility model provides a capacitive pen, which integrates a capacitive pen refill through the sleeving welding of an annular assembly and a PCB (printed Circuit Board) on the basis of realizing the refill function in the prior art, greatly simplifies the refill structure, meets the requirements of a user on input operations such as fine and multifunctional writing or drawing on a touch panel, reduces the failure rate of the capacitive pen and reduces the cost of industrial production and assembly.
Disclosure of Invention
The utility model aims to provide a simplified pen core module aiming at the defects and shortcomings of the prior art, which adopts a PCB as a pen core main body, directly replaces a large number of complex structural parts, adopts an inner hole welding process, greatly reduces the working procedures and the processing time, greatly reduces the reject ratio and has smooth and intact appearance.
In order to achieve the purpose, the utility model provides the following technical scheme:
a simplified pen core module comprises a pen core main body, a pen core main body and a pen core, wherein the pen core main body is composed of a PCB and an annular assembly sleeved on the PCB; the method is characterized in that: the PCB board is a three-layer circuit which is respectively a primary transmitting circuit, a secondary transmitting circuit and a grounding circuit; the rear end of the PCB is connected with a pin which is electrically connected with three circuits on the PCB.
Preferably, the PCB is covered with an FPC board as a pin, and the three lines are electrically connected with the FPC board and respectively connected with corresponding lead-out pins.
Preferably, the annular assembly comprises a hollow conical member, a hollow metal cylinder and a hollow threaded seat; the hollow conical piece, the hollow metal cylinder and the hollow thread seat are sequentially sleeved on the PCB, and a high-temperature-resistant insulating ring sleeved on the PCB is arranged between every two hollow conical pieces; the high-temperature-resistant insulating ring separates the hollow conical piece, the hollow metal cylinder and the hollow threaded seat two by two, inhibits the mutual electric influence, improves the writing accuracy of the capacitance pen, is also used for determining the insulation and the spacing distance between the pieces, fills the gaps between the pieces and beautifies the appearance.
Preferably, the PCB is provided with a socket joint part, and the socket joint part is used for socket joint of the annular assembly and the insulating ring; the rear end of the sleeve joint part is connected with a step part, and the step part and the hollow threaded seat form a stop; an extension part is arranged behind the step part and is composed of an FPC board.
Preferably, the PCB is provided with a plurality of welding pads, and the welding pads are respectively welded and fixed with the hollow interiors of the conical piece, the metal cylinder and the threaded seat and form electric connection; wherein, the metal cylinder is electrically connected with the secondary transmitting circuit, and the threaded seat and the conical piece are electrically connected with the grounding circuit.
Preferably, the end face, far away from the step part, of the socket joint part of the PCB board is provided with a primary emission end face, and the primary emission end face is electrically connected with the primary emission circuit; the hollow threaded seat is sleeved on the strip-shaped part of the PCB and is electrically connected with the root step fixed on the strip-shaped part, and the threaded seat is electrically connected with the grounding circuit.
The assembly method of a refill die set, including forming the refill body by PCB board and annular assembly that the cover-mounted on PCB; the PCB board is a three-layer circuit which is respectively a primary transmitting circuit, a secondary transmitting circuit and a grounding circuit; the PCB is covered with an FPC board as a pin, and the three circuits are electrically connected with the FPC board and are respectively connected with corresponding leading-out pins; the method is characterized in that: paste solder paste is coated on a plurality of bonding pads on the PCB; sleeving a hollow conical piece, a hollow metal cylinder, a hollow thread seat and insulating rings arranged between every two conical pieces and the hollow thread seat on a PCB in sequence; after the hollow annular assemblies are assembled, filling solder paste into the hollow annular assemblies, heating the refill module by the heating part to melt the solder paste, electrically connecting the inner surfaces of the hollow annular assemblies with the bonding pads of the PCB, and cooling the solder paste to form solid metallic tin so as to fix the hollow annular assemblies with the PCB; completing the assembly of the pen refill module; and testing each circuit of the pen core module through the detection part to determine that the assembly is qualified.
In conclusion, compared with the prior art, the utility model has the following beneficial effects:
(1) the pen core is reasonable in design, the PCB is used as the pen core main body, the structure of the PCB is optimized, the PCB can be sleeved with the hollow annular assembly, the hollow assemblies of different parts are respectively connected with the primary transmitting circuit, the secondary transmitting circuit and the grounding circuit, the structure is simplified, and a large number of complex structural parts are directly replaced;
(2) the PCB adopts a three-layer circuit structure, the strength of the pen core main body which is made of the PCB is improved through the design of a multilayer circuit, in addition, the design of the multilayer circuit is matched with the arrangement of the bonding pads, the stability and the strength of the welding of the PCB and the hollow component are further improved, and the faults caused by collision and falling of the capacitance pen in the using process are avoided; in addition, an inner hole welding process is adopted in the assembling process, so that manpower and materials are greatly reduced, and the pen core is smooth and complete in appearance;
(3) the FPC board is arranged at the rear end of the PCB board and is used as a pin, and the FPC board is connected with the main control board of the capacitance pen, so that on one hand, the electrical connection performance is improved, and particularly, due to the fact that the FPC board is in flexible connection, when impact produced by falling and the like acts on the capacitance pen, the phenomenon that an electrical connection point is disconnected to cause a fault is avoided, and the falling resistance performance of the capacitance pen is further improved;
(4) the modified refill module makes refill module assembly accomplish the back, and the PCB board of its main part is connected by annular assembly parcel completely, and the circuit on the PCB board of avoiding is by the harm of foreign object scraping, collision etc. further promotion refill subassembly's stability.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and 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 these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of the utility model.
FIG. 2 is a schematic circuit diagram of an embodiment of the utility model.
FIG. 3 is a circuit pad diagram according to an embodiment of the utility model.
Reference numerals are as follows: the antenna comprises a 1-PCB + FPC board, a 2-conical piece, A3-insulating ring, a 4-metal cylinder, a 5-threaded seat, an A1-secondary emission pad, an A2-secondary emission leading-out pin, a B1-primary emission end face, a B2-primary emission leading-out pin, a C1-conical piece grounding pad, a C2-threaded piece grounding pad and a C3-grounding leading-out pin.
Detailed Description
The technical solution of the present invention is further described with reference to the accompanying drawings and specific embodiments.
Example 1
Referring to fig. 1 to 3, a simplified cartridge module comprises a cartridge main body composed of a PCB and an annular assembly sleeved on the PCB, wherein the PCB is composed of a sleeve joint part and a step part, the annular assembly is sleeved on the sleeve joint part, and comprises a hollow conical part 2, a hollow metal cylinder 4 and a hollow thread seat 5; the step part and the hollow thread seat 5 form a stop; the sheathing part is strip-shaped; the hollow conical piece 2, the hollow metal cylinder 4 and the hollow thread seat 5 are sequentially sleeved on the PCB, and a high-temperature-resistant insulating ring 3 sleeved on the PCB is arranged between every two hollow conical pieces; an extension part is arranged behind the step part and is composed of an FPC board.
The PCB (1) is further covered with an FPC board as a pin, wherein the PCB (1) is divided into three layers of circuits, namely a grounding circuit (C), a primary transmitting circuit (B) and a secondary transmitting circuit (A), the three circuits are electrically connected with the FPC to conduct the corresponding leading-out pins, and the primary transmitting end face (B1) is arranged on the end face of the strip-shaped part of the PCB (1);
the PCB is divided into a front first layer, a middle layer and a back third layer, and a conical piece grounding pad C1 is arranged at a certain distance from the sleeving part on the front first layer; a screw ground pad C2 is provided at the step portion, and the cone ground pad C1 and the screw ground pad C2 are on the same face; the third layer of the back is provided with a secondary transmitting pad A1, and a thread member grounding pad C2; the secondary launch pad A1 is located in the middle of the cone ground pad C1 and the screw ground pad C2;
referring to fig. 2, a cone grounding pad C1, a screw grounding pad C2, a grounding pin C3 and a conducting wire connecting the three together form a grounding circuit (C); the primary emitting end face B1, the primary emitting leading-out pin B2 and a lead for communicating the primary emitting end face B1 and the primary emitting leading-out pin B2 form a primary emitting circuit (B); the secondary transmitting bonding pad A1, the secondary transmitting pin A2 and a direct wire for connecting the two together form a secondary transmitting circuit (A); the three circuits are distributed with different PCB layers; b1, B2, C2, C3 and A2 leading-out pins positioned on different layers or end surfaces are correspondingly overlapped and matched and connected;
the hollow threaded seat (5) is sleeved on the strip-shaped part of the PCB (1) and is electrically connected and fixed on the root step of the strip-shaped part, and the threaded seat (5) is electrically connected with a grounding circuit (C2);
the PCB comprises a PCB board (1), a hollow metal cylinder (4) and a hollow conical piece (2), wherein the strip-shaped parts of the PCB board (1) are sleeved at opposite positions in sequence, the hollow metal cylinder and the hollow conical piece are electrically connected with a bonding pad of the PCB board (1) and fixed at the opposite positions, the metal cylinder (4) is electrically connected with a secondary transmitting circuit (A1), and the conical piece (2) is electrically connected with a grounding circuit (C1).
Between screw thread seat (5), metal cylinder (4), conical member (2), each cover is equipped with a high temperature resistance insulator ring (3) for confirm insulating and interval distance between each, restrained each other electric property influence of each part, the accuracy nature of the electric capacity pen writing of promotion still is used for confirming insulating and interval distance between each simultaneously, still plays the gap of filling between each, beautifies the outward appearance.
The end face, far away from the step part, of the socket joint part of the PCB is provided with a primary emission end face B1, and the primary emission end face B1 is electrically connected with a primary emission circuit.
Referring to fig. 2, the 3 pins a2/B2/C3 are FPC flexible circuit boards, and the pins are electrically connected to the capacitance pen main board;
the assembly method of a refill die set, including forming the refill body by PCB board and annular assembly that the cover-mounted on PCB; the PCB board is a three-layer circuit which is respectively a primary transmitting circuit, a secondary transmitting circuit and a grounding circuit; the PCB is covered with an FPC board as a pin, and the three circuits are electrically connected with the FPC board and are respectively connected with corresponding leading-out pins; paste solder paste is coated on a plurality of bonding pads on the PCB; sleeving a hollow conical piece, a hollow metal cylinder, a hollow thread seat and insulating rings arranged between every two conical pieces and the hollow thread seat on a PCB in sequence; after the hollow annular assemblies are assembled, filling solder paste into the hollow annular assemblies, heating the refill module by the heating part to melt the solder paste, electrically connecting the inner surfaces of the hollow annular assemblies with the bonding pads of the PCB, and cooling the solder paste to form solid metallic tin so as to fix the hollow annular assemblies with the PCB; completing the assembly of the pen refill module; testing each circuit of the pen core module through the detection component to determine that the assembly is qualified;
after the capacitance pen core module is prepared, the pen core module is installed in the capacitance pen external member, and a primary emission end surface B1 of the pen core module is matched and electrically connected with the capacitance pen nib component; the external thread of the hollow threaded seat 5 is matched and connected with the internal thread in the capacitance pen external member, the refill module is installed in the capacitance pen external member, and the rear end of the refill module is connected with a capacitance pen main control board;
example 2:
a simplified refill module comprises a refill main body consisting of a PCB and an annular assembly sleeved on the PCB, wherein the PCB consists of a sleeve joint part and a step part, the annular assembly is sleeved on the sleeve joint part and comprises a hollow conical part 2, a hollow metal cylinder 4 and a hollow thread seat 5; the step part and the hollow thread seat 5 form a stop; the sheathing part is strip-shaped; the hollow conical piece 2, the hollow metal cylinder 4 and the hollow thread seat 5 are sequentially sleeved on the PCB, and a high-temperature-resistant insulating ring 3 sleeved on the PCB is arranged between every two hollow conical pieces; the rear end of the PCB is connected with a pin which is electrically connected with a transmitting and grounding circuit on the PCB. In this embodiment, the connection of the rear end of the PCB is in a rigid connection manner; specifically, metal wires such as copper wires and steel wires are adopted as pins on the PCB; the metal wire is electrically connected with a rear capacitor pen main control board to complete the assembly of the capacitor pen;
compared with the technical scheme that an FPC board is used as a pin, the technical scheme that the metal wires are electrically connected has certain advantages and disadvantages in practical application, the firmness of connection is high, but the rigidity is high, writing hand feeling is hard when writing, and welding spots can be broken and broken due to certain possibility when the writing is impacted by external force. In the process of processing and welding, manual welding points are more, and the operation difficulty is slightly higher.
The technical scheme that the FPC board (flexible conducting wire) is used as the pin can solve the problem of stiff connection points, and accordingly more internal spaces of the capacitance pen are needed to accommodate the flexible conducting wire, so that the shock resistance is better.
In conclusion, the pen core is reasonable in design, the PCB is adopted as the pen core main body, a large number of complex structural parts are directly replaced, and an inner hole welding process is adopted, so that labor and materials are greatly reduced, the appearance is smooth and complete, and the reject ratio is greatly reduced.
The process has the advantages that the reliability and the stability of the electrical connection are guaranteed, meanwhile, welding marks cannot be left on the outer surface, the process cannot hinder the combination of other parts due to the fact that welding point protrusions exist outside, the integrity of the appearance is achieved, and the attractive effect is achieved.
The technical principle of the present invention has been described above with reference to specific embodiments, which are merely preferred embodiments of the utility model. The protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. Those skilled in the art will be able to conceive of other embodiments of the utility model without the exercise of inventive faculty, which fall within the scope of protection of the utility model.
Claims (5)
1. A simplified pen core module comprises a pen core main body, a pen core main body and a pen core, wherein the pen core main body is composed of a PCB and an annular assembly sleeved on the PCB; the method is characterized in that: the PCB board is a three-layer circuit which is respectively a primary transmitting circuit, a secondary transmitting circuit and a grounding circuit; the rear end of the PCB is connected with a pin which is electrically connected with three circuits on the PCB; the annular assembly comprises a hollow conical piece, a hollow metal cylinder and a hollow threaded seat; the hollow conical piece, the hollow metal cylinder and the hollow thread seat are sequentially sleeved on the PCB, and a high-temperature-resistant insulating ring sleeved on the PCB is arranged between every two hollow conical pieces; the PCB is provided with a plurality of welding pads which are respectively welded and fixed with the conical piece, the metal cylinder and the hollow inner part of the threaded seat and form electric connection; wherein, the metal cylinder is electrically connected with the secondary transmitting circuit, and the threaded seat and the conical piece are electrically connected with the grounding circuit.
2. The cartridge module of claim 1, wherein: the pins are formed by FPC boards, the PCB boards are covered with the FPC boards to serve as the pins, and the three lines are electrically connected with the FPC boards and conduct the corresponding leading-out pins.
3. The cartridge module of claim 1, wherein: the PCB is provided with a sleeving part, and the sleeving part is used for sleeving the annular assembly and the insulating ring; the rear end of the sleeve joint part is connected with a step part, and the step part and the hollow thread seat form a stop; an extension part is arranged behind the step part and is composed of an FPC board.
4. The cartridge module of claim 1, wherein: the end face, far away from the step portion, of the socket joint portion of the PCB is provided with a first-level transmitting end face, and the first-level transmitting end face is electrically connected with a first-level transmitting circuit.
5. A method of assembling a cartridge module according to claim 1, characterized in that: paste solder paste is coated on a plurality of bonding pads on the PCB; sleeving a hollow conical piece, a hollow metal cylinder, a hollow thread seat and insulating rings arranged between every two conical pieces and the hollow thread seat on a PCB in sequence; after the hollow annular assemblies are assembled, filling solder paste into the hollow annular assemblies, heating the refill module by the heating part to melt the solder paste, electrically connecting the inner surfaces of the hollow annular assemblies with the bonding pads of the PCB, and cooling the solder paste to form solid metallic tin so as to fix the hollow annular assemblies with the PCB; completing the assembly of the pen refill module; and testing each circuit of the pen core module through the detection part to determine that the assembly is qualified.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110384632.2A CN113031794B (en) | 2021-04-09 | 2021-04-09 | Simplified pen refill module and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110384632.2A CN113031794B (en) | 2021-04-09 | 2021-04-09 | Simplified pen refill module and preparation method thereof |
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| CN113031794A CN113031794A (en) | 2021-06-25 |
| CN113031794B true CN113031794B (en) | 2022-06-17 |
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| US10168804B2 (en) * | 2015-09-08 | 2019-01-01 | Apple Inc. | Stylus for electronic devices |
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