Capacitance pen
By designing a detachable pen tip assembly and conductive bristles, the problem of traditional capacitive pen tips being irreplaceable after wear is solved. This enables detachable pen tips, improves touch sensitivity, reduces usage costs, and minimizes screen wear.
Patent Information
- Application Number
- CN202520268752.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-19
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-02-19
AI Technical Summary
The pen tip of a traditional capacitive stylus cannot be replaced after it wears out, leading to the entire pen becoming unusable and increasing usage costs.
Design a capacitive pen with a detachable pen tip assembly and pen barrel. The pen tip assembly is flocked with conductive fibers, which are fixed by an electrostatic flocking process, thus achieving detachable and replaceable pen tip and good conductivity.
The pen tip assembly is detachable and replaceable, reducing usage costs. The conductive fibers improve touch sensitivity and accuracy while reducing screen wear.
Smart Images

Figure CN223956053U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of capacitive touch pen, especially relates to a capacitive pen. BACKGROUND
[0002] The tablet computer and smart phone all have capacitive touch screen, and the capacitive touch pen is also used with it, and the user can control on the touch screen through the capacitive touch pen, and the control is more delicate than the finger control, the traditional capacitive touch pen's pen head is fixedly connected with the pen holder, although the structure is relatively stable, but once the pen head wears or is damaged due to other reasons, since the pen head is fixed and cannot be replaced, only the whole capacitive pen can be discarded, and the use cost is higher. UTILITY MODEL CONTENTS
[0003] The utility model discloses a capacitive pen, which aims to solve the technical problem of the pen head being unable to be replaced after wearing.
[0004] To achieve the above object, the utility model discloses a capacitive pen, which comprises:
[0005] A pen holder; and
[0006] A pen head assembly is arranged at one end of the pen holder, the pen head assembly is detachably connected with the pen holder, and the outer periphery of one end of the pen head assembly away from the pen holder is planted with conductive fluff.
[0007] In an embodiment, one end of the pen holder has an open movable cavity, and the pen head assembly comprises:
[0008] A pen head part, one end of which extends into the movable cavity and is threadedly connected with the inner wall of the movable cavity;
[0009] A pen sleeve part is arranged outside one end of the pen head part away from the pen holder, and the pen sleeve part is fixedly connected with the pen head part.
[0010] In an embodiment, the pen head part comprises:
[0011] A main body piece;
[0012] A connecting piece is arranged at one end of the main body piece close to the pen holder, the outer diameter of the connecting piece is greater than that of the main body piece, and the outer periphery of the connecting piece is provided with threads;
[0013] A limiting piece is arranged at one end of the main body piece away from the pen holder, the outer diameter of the limiting piece is greater than that of the main body piece, so as to be clamped with the pen sleeve part;
[0014] The limiting piece, the main body piece and the connecting piece are coaxially arranged.
[0015] In an embodiment, the pen head is provided with a protrusion at one end away from the pen sleeve, and the protrusion is in contact with the bottom wall of the movable cavity.
[0016] In an embodiment, the pen sleeve is provided with an opening at one end, and has a receiving cavity inside, the pen sleeve has a channel communicating the receiving cavity and the opening, the main body is arranged in the channel, and the limiting member is arranged in the receiving cavity.
[0017] In an embodiment, the pen barrel is provided with a through hole at one end away from the pen head assembly.
[0018] In an embodiment, a limiting groove is arranged on the outer periphery of the pen barrel, the limiting groove extends in the circumferential direction along the outer periphery of the pen barrel, and the electric capacity pen further comprises a clamping sleeve, the clamping sleeve is sleeved in the limiting groove, and the outer diameter of the clamping sleeve is greater than the outer diameter of the pen barrel.
[0019] In an embodiment, a limiting ring is arranged on the outer periphery of the pen barrel, and the limiting ring extends in the circumferential direction.
[0020] In an embodiment, the conductive fluff is carbon fiber fluff.
[0021] In the technical scheme of the utility model, the electric capacity pen comprises a pen barrel, a pen head assembly is arranged at one end of the pen barrel, the pen head assembly is used for contacting a touch screen, wherein the pen head assembly is detachably connected with the pen barrel, when the pen head assembly is abraded to affect use, the pen head assembly can be detached and replaced, the whole electric capacity pen is avoided from being discarded, use cost is reduced, in addition, the end of the pen head assembly is provided with conductive fluff, the conductive fluff has good conductive property, the conductivity of the electric capacity pen can be improved, the touch is more sensitive and accurate, the conductive fluff is relatively soft, the friction between the conductive fluff and the screen is small, the screen can be avoided from being scratched, and use is more comfortable. BRIEF DESCRIPTION OF DRAWINGS
[0022] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained according to the structures shown in the drawings without the creative labor of the person skilled in the art.
[0023] Figure 1 The structure schematic diagram of one embodiment of the electric capacity pen provided by the utility model is shown in the figure.
[0024] Figure 2 The explosion structure schematic diagram of the electric capacity pen provided by the utility model is shown in the figure.
[0025] Figure 3The structure schematic view of the pen head part is provided in the utility model.
[0026] Figure 4 The structure schematic view of the pen sleeve part is provided in the utility model.
[0027] Figure 5 The structure schematic view of the clamping sleeve is provided in the utility model.
[0028] Figure 6 The cross section schematic view of one embodiment of the capacitive pen is provided in the utility model.
[0029] Figure 7 The cross section schematic view of another embodiment of the capacitive pen is provided in the utility model.
[0030] Explanation of the reference signs:
[0031] 100, pen rod; 101, movable cavity; 110, through hole; 120, limiting groove;
[0032] 200, pen head assembly; 210, pen head part; 211, main body piece; 212, connecting piece; 213, limiting piece; 220, pen sleeve part; 221, containing cavity; 222, passage; 230, protruding part;
[0033] 300, clamping sleeve; 310, sleeve ring.
[0034] The implementation, functional features and advantages of the utility model will be further described with reference to the drawings in combination with the embodiments. DETAILED DESCRIPTION
[0035] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0036] It should be noted that if the embodiments of the utility model involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement condition, etc. between the components in a certain specific posture, and if the specific posture changes, the directional indications also change accordingly.
[0037] In addition, if the description of "first", "second" and the like is involved in the embodiments of the utility model, the description of "first", "second" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the same or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included at least one of the features. In addition, if "and / or" or "and / or" appears throughout the text, it means that the three parallel schemes are included, for example, "A and / or B" includes A scheme, or B scheme, or A and B scheme. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the utility model.
[0038] The utility model provides a kind of capacitive pen.
[0039] Please refer to Figure 2 In an embodiment of the utility model, the capacitive pen includes:
[0040] Pen barrel 100;And
[0041] Pen head assembly 200, it is located in the one end of pen barrel 100, pen head assembly 200 and pen barrel 100 are detachably connected, and the outer periphery of the one end of pen head assembly 200 away from pen barrel 100 is planted with conductive fluff.
[0042] In the technical scheme of the utility model, please refer to Figure 1 And Figure 2 The capacitive pen includes pen barrel 100, pen head assembly 200 is arranged at the one end of pen barrel 100, and pen head assembly 200 is used to contact touch screen, wherein pen head assembly 200 and pen barrel 100 are detachably connected, when pen head assembly 200 is worn and influences use, pen head assembly 200 can be disassembled and replaced, avoid whole capacitive pen to discard, reduce use cost, in addition, conductive fluff is arranged at the end of pen head assembly 200, and the conductive fluff has good conductive property, can improve the conductivity of capacitive pen, so that touch is more sensitive and accurate, and the conductive fluff is relatively soft, and the friction between screen is smaller, can avoid scratch to screen, and use is more comfortable.
[0043] Specifically, the pen barrel 100 is a structure with a certain length, facilitating handheld touch control. The material and shape of the pen barrel 100 are not limited, and the shape is preferably a cylindrical structure, which is more comfortable to hold. The material is preferably an aluminum alloy anodized to black. A pen tip assembly 200 is detachably arranged at one end of the pen barrel 100. The pen tip assembly 200 is detachably connected to the pen barrel 100, which facilitates replacement of the pen tip assembly 200 when it is worn out. The end of the pen tip assembly 200 is provided with conductive velvet. The conductive velvet can be carbon fiber velvet, but is not limited to carbon fiber velvet. It can also be metal-coated fibers such as nickel-plated or silver-plated fibers. The conductive velvet is fixed on the pen tip assembly 200 by a flocking process, that is, an electrostatic generator is used to charge the velvet. Under the action of the electric field, the velvet is adsorbed to the pen tip assembly 200 with opposite charges. After the flocking is completed, the pen tip assembly 200 needs to be baked to melt and penetrate the resin adhesive in the velvet to the surface of the pen tip assembly 200,
[0044] Please refer to Figure 2 and Figure 6 In the embodiment of the present application, one end of the pen barrel 100 has an open movable cavity 101. The pen tip assembly 200 comprises:
[0045] The pen tip part 210 extends into the movable cavity 101 and is threadedly connected to the inner wall of the movable cavity 101.
[0046] The pen sleeve part 220 is arranged outside the end of the pen tip part 210 away from the pen barrel 100, and the pen sleeve part 220 is fixedly connected to the pen tip part 210.
[0047] Specifically, the pen tip assembly 200 comprises a pen tip part 210 and a pen sleeve part 220. The pen tip part 210 is inserted into one end of the pen barrel 100 and is threadedly connected to the pen barrel 100, realizing detachable connection of the pen tip assembly 200 and the pen barrel 100. The other end of the pen tip part 210 is fixedly connected to the pen sleeve part 220. The pen sleeve part 220 is made of conductive silicone. The velvet is fixed on the pen sleeve part 220 by a flocking process, so that the pen sleeve part 220 has smaller friction when contacting the touch screen and more accurate touch control.
[0048] Please refer to Figure 3 and Figure 6 In the embodiment of the present application, the pen tip part 210 comprises:
[0049] The main body 211;
[0050] The connecting piece 212 is arranged at one end of the main body 211 close to the pen barrel 100. The outer diameter of the connecting piece 212 is greater than that of the main body 211, and the outer periphery of the connecting piece 212 is provided with threads.
[0051] The limiting piece 213 is arranged at the end of the main body piece 211 away from the pen barrel 100, and the outer diameter of the limiting piece 213 is greater than that of the main body piece 211, so as to be clamped with the pen sleeve part 220;
[0052] The limiting piece 213, the main body piece 211 and the connecting piece 212 are coaxially arranged.
[0053] Specifically, the pen head part 210 comprises the limiting piece 213, the main body piece 211 and the connecting piece 212 which are coaxially arranged, and the limiting piece 213, the main body piece 211 and the connecting piece 212 are sequentially arranged, and the diameters of the limiting piece 213 and the connecting piece 212 at both ends of the main body piece 211 are greater than that of the main body piece 211, so as to form a structure with a middle recess, and the connecting piece 212 is used for being inserted into the movable cavity 101 and being threadedly connected with the inner wall of the movable cavity 101, so as to realize that the pen head assembly 200 is detachable with the pen barrel 100, and the pen head assembly 200 is convenient to replace, and the limiting piece 213 is clamped in the pen sleeve part 220, and since the diameter of the limiting piece 213 is greater than that of the main body piece 211, the limiting piece 213 is prevented from being separated from the pen sleeve part 220, that is, the pen sleeve part 220 is fixed as a whole with the pen head part 210.
[0054] Please refer to Figure 3 and Figure 6 In the embodiment of the utility model, the end of the pen head part 210 away from the pen sleeve part 220 is provided with a protruding part 230, and the protruding part 230 is in contact with the bottom wall of the movable cavity 101, when the pen head part 210 is put into the movable cavity 101, the pen head part 210 is threadedly connected with the pen barrel 100 by rotating the pen head part 210, until the protruding part 230 is abutted with the bottom wall of the movable cavity 101, at this time, the pen head part 210 cannot be rotated any more, and this can be used for prompting that the pen head part 210 is threadedly connected with the pen barrel 100, and the pen head part 210 is prevented from being forcibly rotated, so as to cause the pen head part 210 or the pen barrel 100 to be damaged.
[0055] Please refer to Figure 4 and Figure 6 In the embodiment of the utility model, the pen sleeve part 220 has an opening at one end, and has a receiving cavity 221 inside, the pen sleeve part 220 has a channel 222 which is communicated between the receiving cavity 221 and the opening, the main body piece 211 is arranged in the channel 222, and the limiting piece 213 is arranged in the receiving cavity 221.
[0056] Specifically, the one end of the limiting member 213 away from the main body member 211 extends into the accommodating cavity 221 from the opening of the sleeve part 220, and the limiting member 213 is clamped in the accommodating cavity 221, and the main body member 211 is located in the channel 222, since the diameter of the limiting member 213 is greater than the diameter of the main body member 211, the inner diameter of the accommodating cavity 221 is greater than the inner diameter of the channel 222, and the inner diameter of the channel 222 is smaller than the diameter of the limiting member 213, it can be understood that the small inner diameter of the channel 222 can clamp the limiting member 213 to prevent it from being separated from the accommodating cavity 221, and since the sleeve part 220 is made of conductive silicone material and has a certain elasticity, although the outer diameter of the limiting member 213 is large, when the limiting member 213 wants to extend into the channel 222 at the opening, the opening of the sleeve part 220 can be deformed, and the opening is forced to be opened to enter the channel 222, and the pen head part 210 is pushed into the accommodating cavity 221 by force, so that the limiting member 213 enters the accommodating cavity 221, at this time, the main body member 211 is in the channel 222, and the limiting member 213 is clamped in the accommodating cavity 221 due to the small inner diameter of the channel 222, and cannot be separated from the accommodating cavity 221, in order to further fix the pen head part 210 and the sleeve part 220, an adhesive such as glue can be provided on the outer periphery of the main body member 211, so that the main body member 211 is adhered to the channel 222 when it enters the channel 222, which can further prevent the pen head part 210 and the sleeve part 220 from being separated.
[0057] Please refer to Figure 1 and Figure 7 In the embodiment of the utility model, the one end of the pen barrel 100 away from the pen head assembly 200 is provided with a through hole 110.
[0058] Specifically, the through hole 110 can be used for passing through the hanging rope to increase the portability of the capacitive pen, and can also play the effect of preventing the capacitive pen from being lost, the through hole 110 is preferably circular or elliptical structure, and the inner wall of the through hole 110 is smooth to reduce the wear of the hanging rope, wherein the color and length of the hanging rope are not limited, and preferably bright color, which can be more eye-catching in vision and facilitate finding the capacitive pen.
[0059] Please refer to Figure 2 , Figure 5 and Figure 7 In the embodiment of the utility model, the limiting groove 120 is arranged on the outer periphery of the pen barrel 100, and the limiting groove 120 extends along the circumference on the outer periphery of the pen barrel 100, and the capacitive pen further comprises a clamping sleeve 300, the clamping sleeve 300 is sleeved in the limiting groove 120, and the outer diameter of the clamping sleeve 300 is greater than the outer diameter of the pen barrel 100.
[0060] Specifically, the limiting groove 120 is arranged at one end of the pen barrel 100 close to the through hole 110, the limiting groove 120 extends along the axial direction on the outer periphery of the pen barrel 100, and the outer diameter of the limiting groove 120 is smaller than the outer diameter of the pen barrel 100. The clamping sleeve 300 is sleeved at the limiting groove 120, the outer periphery of the clamping sleeve 300 is fixedly provided with a sleeve ring 310, the outer diameter of the sleeve ring 310 is greater than the outer diameter of the pen barrel 100, and a limiting hole is arranged on one side of the device. When the capacitive pen is not used, the capacitive pen can be inserted into the limiting hole, the sleeve ring 310 is limited at the limiting hole, and falling is prevented. That is, the sleeve ring 310 is arranged to facilitate storage of the capacitive pen when the capacitive pen is not used, and is also convenient to take and place. In addition, the arrangement of the limiting groove 120 can prevent the clamping sleeve 300 from being separated from the pen barrel 100. The clamping sleeve 300 is made of 60° silica gel. The clamping sleeve 300 can be sleeved on the outer periphery of the pen barrel 100 at one end of the pen barrel 100 provided with the through hole 110. Although the inner diameter of the clamping sleeve 300 is smaller than the outer diameter of the pen barrel 100, the clamping sleeve 300 has elasticity and can deform. That is, when the pen barrel 100 passes through the clamping sleeve 300, the clamping sleeve 300 deforms, the inner diameter increases, and then the pen barrel 100 enters the clamping sleeve 300. The clamping sleeve 300 is clamped at the limiting groove 120 by sliding.
[0061] In another embodiment, a limiting ring is protrudingly arranged on the outer periphery of the pen barrel 100, the limiting ring extends along the circumferential direction, the limiting ring is arranged at one end of the pen barrel 100 close to the through hole 110, and the limiting ring is integrally formed with the pen barrel 100. The limiting ring has the same effect as the clamping sleeve 300 and can replace the clamping sleeve 300 to be clamped at the limiting hole. Compared with the arrangement of the limiting ring, it is easier to arrange the limiting groove 120 on the pen barrel 100, and the limiting ring and the clamping sleeve 300 can be arranged according to actual needs.
[0062] The above description is only an exemplary embodiment of the present application, and does not limit the patent scope of the present application. Any equivalent structural transformation made by referring to the content of the present application and the drawings, or direct / indirect application in other related technical fields is included in the patent protection scope of the present application.
Claims
1. A capacitive stylus, characterized by, The application relates to a capacitive pen, which comprises the following parts: a pen barrel, one end of which is provided with an open movable cavity; a pen head assembly arranged at one end of the pen barrel, which is detachably connected with the pen barrel, and the pen head assembly is provided with conductive fluff on the outer periphery of the end away from the pen barrel, the pen head assembly comprises a pen head part and a pen sleeve part, the pen head part comprises a main body, a connecting piece and a limiting piece, the connecting piece is arranged at one end of the main body close to the pen barrel, the outer diameter of the connecting piece is larger than that of the main body, the connecting piece extends into the movable cavity and is threadedly connected with the inner wall of the movable cavity, and the limiting piece is arranged at one end of the main body away from the pen barrel, the outer diameter of the limiting piece is larger than that of the main body, so as to be clamped with the pen sleeve part; wherein the limiting piece, the main body and the connecting piece are coaxially arranged. The end of the pen head part away from the pen sleeve part is provided with a convex part, which is in contact with the bottom wall of the movable cavity.
2. The capacitance pen of claim 1, wherein One end of the pen sleeve part is provided with an opening, and the inside is provided with a containing cavity, the pen sleeve part is provided with a channel which is communicated with the containing cavity and the opening, the main body is arranged in the channel, and the limiting piece is arranged in the containing cavity.
3. The capacitance pen of claim 1, wherein The end of the pen barrel away from the pen head assembly is provided with a through hole.
4. The capacitance pen of claim 1, wherein A limiting groove is arranged on the outer periphery of the pen barrel, the limiting groove extends along the circumference of the outer periphery of the pen barrel, the capacitive pen further comprises a clamping sleeve, the clamping sleeve is arranged in the limiting groove, and the outer diameter of the clamping sleeve is larger than that of the pen barrel.
5. The capacitive pen of claim 1, wherein, The outer periphery of the pen barrel is provided with a limiting ring which protrudes along the circumference.
6. The capacitance pen of claim 1, wherein The conductive fluff is carbon fluff.
7. The capacitive pen of any one of claims 1 to 6, wherein,